#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
#define _CRT_SECURE_NO_WARNINGS
#endif

#include "imgui.h"
#ifndef IMGUI_DISABLE

#ifndef IMGUI_DEFINE_MATH_OPERATORS
#define IMGUI_DEFINE_MATH_OPERATORS
#endif
#include "imgui_internal.h"

#include <ctype.h>       
#if defined(_MSC_VER) && _MSC_VER <= 1500     
#include <stddef.h>      
#else
#include <stdint.h>      
#endif

#ifdef _MSC_VER
#pragma warning (disable: 4127)         
#pragma warning (disable: 4996)                  
#if defined(_MSC_VER) && _MSC_VER >= 1922      
#pragma warning (disable: 5054)             
#endif
#endif

#if defined(__clang__)
#if __has_warning("-Wunknown-warning-option")
#pragma clang diagnostic ignored "-Wunknown-warning-option"                                                             
#endif
#pragma clang diagnostic ignored "-Wunknown-pragmas"                     
#pragma clang diagnostic ignored "-Wold-style-cast"                                                       
#pragma clang diagnostic ignored "-Wfloat-equal"                                         
#pragma clang diagnostic ignored "-Wformat-nonliteral"                                                
#pragma clang diagnostic ignored "-Wsign-conversion"                     
#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant"                                    
#pragma clang diagnostic ignored "-Wdouble-promotion"                                            
#pragma clang diagnostic ignored "-Wenum-enum-conversion"                     
#pragma clang diagnostic ignored "-Wdeprecated-enum-enum-conversion"            
#pragma clang diagnostic ignored "-Wimplicit-int-float-conversion"            
#elif defined(__GNUC__)
#pragma GCC diagnostic ignored "-Wpragmas"                                  
#pragma GCC diagnostic ignored "-Wformat-nonliteral"                          
#pragma GCC diagnostic ignored "-Wclass-memaccess"                                      
#endif

static const float          DRAGDROP_HOLD_TO_OPEN_TIMER = 0.70f;               
static const float          DRAG_MOUSE_THRESHOLD_FACTOR = 0.50f;                   

static const signed char    IM_S8_MIN  = -128;
static const signed char    IM_S8_MAX  = 127;
static const unsigned char  IM_U8_MIN  = 0;
static const unsigned char  IM_U8_MAX  = 0xFF;
static const signed short   IM_S16_MIN = -32768;
static const signed short   IM_S16_MAX = 32767;
static const unsigned short IM_U16_MIN = 0;
static const unsigned short IM_U16_MAX = 0xFFFF;
static const ImS32          IM_S32_MIN = INT_MIN;        
static const ImS32          IM_S32_MAX = INT_MAX;      
static const ImU32          IM_U32_MIN = 0;
static const ImU32          IM_U32_MAX = UINT_MAX;    
#ifdef LLONG_MIN
static const ImS64          IM_S64_MIN = LLONG_MIN;     
static const ImS64          IM_S64_MAX = LLONG_MAX;   
#else
static const ImS64          IM_S64_MIN = -9223372036854775807LL - 1;
static const ImS64          IM_S64_MAX = 9223372036854775807LL;
#endif
static const ImU64          IM_U64_MIN = 0;
#ifdef ULLONG_MAX
static const ImU64          IM_U64_MAX = ULLONG_MAX;  
#else
static const ImU64          IM_U64_MAX = (2ULL * 9223372036854775807LL + 1);
#endif

static bool             InputTextFilterCharacter(unsigned int* p_char, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data);
static int              InputTextCalcTextLenAndLineCount(const char* text_begin, const char** out_text_end);
static ImVec2           InputTextCalcTextSizeW(const ImWchar* text_begin, const ImWchar* text_end, const ImWchar** remaining = NULL, ImVec2* out_offset = NULL, bool stop_on_new_line = false);

const ImU32 colWhite = 0xFFC1C1C1; const ImU32 colBlack = 0xFF585858; const ImU32 colWhiteText = 0xFFD9D9D9;
void ImGui::TextEx(const char* text, const char* text_end, ImGuiTextFlags flags)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return;

    ImGuiContext& g = *GImGui;
    IM_ASSERT(text != NULL);
    const char* text_begin = text;
    if (text_end == NULL)
        text_end = text + strlen(text);  

    const ImVec2 text_pos(window->DC.CursorPos.x, window->DC.CursorPos.y + window->DC.CurrLineTextBaseOffset);
    const float wrap_pos_x = window->DC.TextWrapPos;
    const bool wrap_enabled = (wrap_pos_x >= 0.0f);
    if (text_end - text > 2000 && !wrap_enabled)
    {
        const char* line = text;
        float line_height = GetTextLineHeight();
        ImVec2 text_size(0, 0);

        ImVec2 pos = text_pos;
        if (!g.LogEnabled)
        {
            int lines_skippable = (int)((window->ClipRect.Min.y - text_pos.y) / line_height);
            if (lines_skippable > 0)
            {
                int lines_skipped = 0;
                while (line < text_end && lines_skipped < lines_skippable)
                {
                    const char* line_end = (const char*)memchr(line, '\n', text_end - line);
                    if (!line_end)
                        line_end = text_end;
                    if ((flags & ImGuiTextFlags_NoWidthForLargeClippedText) == 0)
                        text_size.x = ImMax(text_size.x, CalcTextSize(line, line_end).x);
                    line = line_end + 1;
                    lines_skipped++;
                }
                pos.y += lines_skipped * line_height;
            }
        }

        if (line < text_end)
        {
            ImRect line_rect(pos, pos + ImVec2(FLT_MAX, line_height));
            while (line < text_end)
            {
                if (IsClippedEx(line_rect, 0, false))
                    break;

                const char* line_end = (const char*)memchr(line, '\n', text_end - line);
                if (!line_end)
                    line_end = text_end;
                text_size.x = ImMax(text_size.x, CalcTextSize(line, line_end).x);
                RenderText(pos, line, line_end, false);
                line = line_end + 1;
                line_rect.Min.y += line_height;
                line_rect.Max.y += line_height;

                pos.y += line_height;
            }

            int lines_skipped = 0;
            while (line < text_end)
            {
                const char* line_end = (const char*)memchr(line, '\n', text_end - line);
                if (!line_end)
                    line_end = text_end;
                if ((flags & ImGuiTextFlags_NoWidthForLargeClippedText) == 0)
                    text_size.x = ImMax(text_size.x, CalcTextSize(line, line_end).x);
                line = line_end + 1;
                lines_skipped++;
            }
            pos.y += lines_skipped * line_height;
        }
        text_size.y = (pos - text_pos).y;

        ImRect bb(text_pos, text_pos + text_size);

        ItemSize(text_size, 0.0f);
        ItemAdd(bb, 0);
    }
    else
    {
        float wrap_width = wrap_enabled ? CalcWrapWidthForPos(window->DC.CursorPos, wrap_pos_x) : 0.0f;
        const ImVec2 text_size = CalcTextSize(text_begin, text_end, false, wrap_width);

        ImRect bb(text_pos, text_pos + text_size);
        ItemSize(text_size, 0.0f);
        if (!ItemAdd(bb, 0))
            return;

        RenderTextWrapped(bb.Min, text_begin, text_end, wrap_width);
    }
}

void ImGui::TextUnformatted(const char* text, const char* text_end)
{
    TextEx(text, text_end, ImGuiTextFlags_NoWidthForLargeClippedText);
}

void ImGui::Text(const char* fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    TextV(fmt, args);
    va_end(args);
}

void ImGui::TextV(const char* fmt, va_list args)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return;

    ImGuiContext& g = *GImGui;
    const char* text_end = g.TempBuffer + ImFormatStringV(g.TempBuffer, IM_ARRAYSIZE(g.TempBuffer), fmt, args);
    TextEx(g.TempBuffer, text_end, ImGuiTextFlags_NoWidthForLargeClippedText);
}

void ImGui::TextColored(const ImVec4& col, const char* fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    TextColoredV(col, fmt, args);
    va_end(args);
}

void ImGui::TextColoredV(const ImVec4& col, const char* fmt, va_list args)
{
    PushStyleColor(ImGuiCol_Text, col);
    if (fmt[0] == '%' && fmt[1] == 's' && fmt[2] == 0)
        TextEx(va_arg(args, const char*), NULL, ImGuiTextFlags_NoWidthForLargeClippedText);   
    else
        TextV(fmt, args);
    PopStyleColor();
}

void ImGui::TextDisabled(const char* fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    TextDisabledV(fmt, args);
    va_end(args);
}

void ImGui::TextDisabledV(const char* fmt, va_list args)
{
    ImGuiContext& g = *GImGui;
    PushStyleColor(ImGuiCol_Text, g.Style.Colors[ImGuiCol_TextDisabled]);
    if (fmt[0] == '%' && fmt[1] == 's' && fmt[2] == 0)
        TextEx(va_arg(args, const char*), NULL, ImGuiTextFlags_NoWidthForLargeClippedText);   
    else
        TextV(fmt, args);
    PopStyleColor();
}

void ImGui::TextWrapped(const char* fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    TextWrappedV(fmt, args);
    va_end(args);
}

void ImGui::TextWrappedV(const char* fmt, va_list args)
{
    ImGuiContext& g = *GImGui;
    bool need_backup = (g.CurrentWindow->DC.TextWrapPos < 0.0f);           
    if (need_backup)
        PushTextWrapPos(0.0f);
    if (fmt[0] == '%' && fmt[1] == 's' && fmt[2] == 0)
        TextEx(va_arg(args, const char*), NULL, ImGuiTextFlags_NoWidthForLargeClippedText);   
    else
        TextV(fmt, args);
    if (need_backup)
        PopTextWrapPos();
}

void ImGui::LabelText(const char* label, const char* fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    LabelTextV(label, fmt, args);
    va_end(args);
}

void ImGui::LabelTextV(const char* label, const char* fmt, va_list args)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return;

    ImGuiContext& g = *GImGui;
    const ImGuiStyle& style = g.Style;
    const float w = CalcItemWidth();

    const ImVec2 label_size = CalcTextSize(label, NULL, true);
    const ImRect value_bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(w, label_size.y + style.FramePadding.y * 2));
    const ImRect total_bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(w + (label_size.x > 0.0f ? style.ItemInnerSpacing.x : 0.0f), style.FramePadding.y * 2) + label_size);
    ItemSize(total_bb, style.FramePadding.y);
    if (!ItemAdd(total_bb, 0))
        return;

    const char* value_text_begin = &g.TempBuffer[0];
    const char* value_text_end = value_text_begin + ImFormatStringV(g.TempBuffer, IM_ARRAYSIZE(g.TempBuffer), fmt, args);
    RenderTextClipped(value_bb.Min, value_bb.Max, value_text_begin, value_text_end, NULL, ImVec2(0.0f, 0.5f));
    if (label_size.x > 0.0f)
        RenderText(ImVec2(value_bb.Max.x + style.ItemInnerSpacing.x, value_bb.Min.y + style.FramePadding.y), label);
}

void ImGui::BulletText(const char* fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    BulletTextV(fmt, args);
    va_end(args);
}

void ImGui::BulletTextV(const char* fmt, va_list args)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return;

    ImGuiContext& g = *GImGui;
    const ImGuiStyle& style = g.Style;

    const char* text_begin = g.TempBuffer;
    const char* text_end = text_begin + ImFormatStringV(g.TempBuffer, IM_ARRAYSIZE(g.TempBuffer), fmt, args);
    const ImVec2 label_size = CalcTextSize(text_begin, text_end, false);
    const ImVec2 total_size = ImVec2(g.FontSize + (label_size.x > 0.0f ? (label_size.x + style.FramePadding.x * 2) : 0.0f), label_size.y);       
    ImVec2 pos = window->DC.CursorPos;
    pos.y += window->DC.CurrLineTextBaseOffset;
    ItemSize(total_size, 0.0f);
    const ImRect bb(pos, pos + total_size);
    if (!ItemAdd(bb, 0))
        return;

    ImU32 text_col = GetColorU32(ImGuiCol_Text);
    RenderBullet(window->DrawList, bb.Min + ImVec2(style.FramePadding.x + g.FontSize * 0.5f, g.FontSize * 0.5f), text_col);
    RenderText(bb.Min + ImVec2(g.FontSize + style.FramePadding.x * 2, 0.0f), text_begin, text_end, false);
}

bool ImGui::ButtonBehavior(const ImRect& bb, ImGuiID id, bool* out_hovered, bool* out_held, ImGuiButtonFlags flags)
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = GetCurrentWindow();

    if (flags & ImGuiButtonFlags_Disabled)
    {
        if (out_hovered) *out_hovered = false;
        if (out_held) *out_held = false;
        if (g.ActiveId == id) ClearActiveID();
        return false;
    }

    if ((flags & ImGuiButtonFlags_MouseButtonMask_) == 0)
        flags |= ImGuiButtonFlags_MouseButtonDefault_;

    if ((flags & ImGuiButtonFlags_PressedOnMask_) == 0)
        flags |= ImGuiButtonFlags_PressedOnDefault_;

    ImGuiWindow* backup_hovered_window = g.HoveredWindow;
    const bool flatten_hovered_children = (flags & ImGuiButtonFlags_FlattenChildren) && g.HoveredRootWindow == window;
    if (flatten_hovered_children)
        g.HoveredWindow = window;

#ifdef IMGUI_ENABLE_TEST_ENGINE
    if (id != 0 && window->DC.LastItemId != id)
        IMGUI_TEST_ENGINE_ITEM_ADD(bb, id);
#endif

    bool pressed = false;
    bool hovered = ItemHoverable(bb, id);

    if (hovered && g.DragDropActive && g.DragDropPayload.SourceId == id && !(g.DragDropSourceFlags & ImGuiDragDropFlags_SourceNoDisableHover))
        hovered = false;

    if (g.DragDropActive && (flags & ImGuiButtonFlags_PressedOnDragDropHold) && !(g.DragDropSourceFlags & ImGuiDragDropFlags_SourceNoHoldToOpenOthers))
        if (IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByActiveItem))
        {
            hovered = true;
            SetHoveredID(id);
            if (CalcTypematicRepeatAmount(g.HoveredIdTimer + 0.0001f - g.IO.DeltaTime, g.HoveredIdTimer + 0.0001f, DRAGDROP_HOLD_TO_OPEN_TIMER, 0.00f))
            {
                pressed = true;
                g.DragDropHoldJustPressedId = id;
                FocusWindow(window);
            }
        }

    if (flatten_hovered_children)
        g.HoveredWindow = backup_hovered_window;

    if (hovered && (flags & ImGuiButtonFlags_AllowItemOverlap) && (g.HoveredIdPreviousFrame != id && g.HoveredIdPreviousFrame != 0))
        hovered = false;

    if (hovered)
    {
        if (!(flags & ImGuiButtonFlags_NoKeyModifiers) || (!g.IO.KeyCtrl && !g.IO.KeyShift && !g.IO.KeyAlt))
        {
            int mouse_button_clicked = -1;
            int mouse_button_released = -1;
            if ((flags & ImGuiButtonFlags_MouseButtonLeft) && g.IO.MouseClicked[0])         { mouse_button_clicked = 0; }
            else if ((flags & ImGuiButtonFlags_MouseButtonRight) && g.IO.MouseClicked[1])   { mouse_button_clicked = 1; }
            else if ((flags & ImGuiButtonFlags_MouseButtonMiddle) && g.IO.MouseClicked[2])  { mouse_button_clicked = 2; }
            if ((flags & ImGuiButtonFlags_MouseButtonLeft) && g.IO.MouseReleased[0])        { mouse_button_released = 0; }
            else if ((flags & ImGuiButtonFlags_MouseButtonRight) && g.IO.MouseReleased[1])  { mouse_button_released = 1; }
            else if ((flags & ImGuiButtonFlags_MouseButtonMiddle) && g.IO.MouseReleased[2]) { mouse_button_released = 2; }

            if (mouse_button_clicked != -1 && g.ActiveId != id)
            {
                if (flags & (ImGuiButtonFlags_PressedOnClickRelease | ImGuiButtonFlags_PressedOnClickReleaseAnywhere))
                {
                    SetActiveID(id, window);
                    g.ActiveIdMouseButton = mouse_button_clicked;
                    if (!(flags & ImGuiButtonFlags_NoNavFocus))
                        SetFocusID(id, window);
                    FocusWindow(window);
                }
                if ((flags & ImGuiButtonFlags_PressedOnClick) || ((flags & ImGuiButtonFlags_PressedOnDoubleClick) && g.IO.MouseDoubleClicked[mouse_button_clicked]))
                {
                    pressed = true;
                    if (flags & ImGuiButtonFlags_NoHoldingActiveId)
                        ClearActiveID();
                    else
                        SetActiveID(id, window);    
                    g.ActiveIdMouseButton = mouse_button_clicked;
                    FocusWindow(window);
                }
            }
            if ((flags & ImGuiButtonFlags_PressedOnRelease) && mouse_button_released != -1)
            {
                const bool has_repeated_at_least_once = (flags & ImGuiButtonFlags_Repeat) && g.IO.MouseDownDurationPrev[mouse_button_released] >= g.IO.KeyRepeatDelay;
                if (!has_repeated_at_least_once)
                    pressed = true;
                ClearActiveID();
            }

            if (g.ActiveId == id && (flags & ImGuiButtonFlags_Repeat))
                if (g.IO.MouseDownDuration[g.ActiveIdMouseButton] > 0.0f && IsMouseClicked(g.ActiveIdMouseButton, true))
                    pressed = true;
        }

        if (pressed)
            g.NavDisableHighlight = true;
    }

    if (g.NavId == id && !g.NavDisableHighlight && g.NavDisableMouseHover && (g.ActiveId == 0 || g.ActiveId == id || g.ActiveId == window->MoveId))
        if (!(flags & ImGuiButtonFlags_NoHoveredOnFocus))
            hovered = true;
    if (g.NavActivateDownId == id)
    {
        bool nav_activated_by_code = (g.NavActivateId == id);
        bool nav_activated_by_inputs = IsNavInputTest(ImGuiNavInput_Activate, (flags & ImGuiButtonFlags_Repeat) ? ImGuiInputReadMode_Repeat : ImGuiInputReadMode_Pressed);
        if (nav_activated_by_code || nav_activated_by_inputs)
            pressed = true;
        if (nav_activated_by_code || nav_activated_by_inputs || g.ActiveId == id)
        {
            g.NavActivateId = id;         
            SetActiveID(id, window);
            if ((nav_activated_by_code || nav_activated_by_inputs) && !(flags & ImGuiButtonFlags_NoNavFocus))
                SetFocusID(id, window);
        }
    }

    bool held = false;
    if (g.ActiveId == id)
    {
        if (g.ActiveIdSource == ImGuiInputSource_Mouse)
        {
            if (g.ActiveIdIsJustActivated)
                g.ActiveIdClickOffset = g.IO.MousePos - bb.Min;

            const int mouse_button = g.ActiveIdMouseButton;
            IM_ASSERT(mouse_button >= 0 && mouse_button < ImGuiMouseButton_COUNT);
            if (g.IO.MouseDown[mouse_button])
            {
                held = true;
            }
            else
            {
                bool release_in = hovered && (flags & ImGuiButtonFlags_PressedOnClickRelease) != 0;
                bool release_anywhere = (flags & ImGuiButtonFlags_PressedOnClickReleaseAnywhere) != 0;
                if ((release_in || release_anywhere) && !g.DragDropActive)
                {
                    bool is_double_click_release = (flags & ImGuiButtonFlags_PressedOnDoubleClick) && g.IO.MouseDownWasDoubleClick[mouse_button];
                    bool is_repeating_already = (flags & ImGuiButtonFlags_Repeat) && g.IO.MouseDownDurationPrev[mouse_button] >= g.IO.KeyRepeatDelay;      
                    if (!is_double_click_release && !is_repeating_already)
                        pressed = true;
                }
                ClearActiveID();
            }
            if (!(flags & ImGuiButtonFlags_NoNavFocus))
                g.NavDisableHighlight = true;
        }
        else if (g.ActiveIdSource == ImGuiInputSource_Nav)
        {
            if (g.NavActivateDownId != id)
                ClearActiveID();
        }
        if (pressed)
            g.ActiveIdHasBeenPressedBefore = true;
    }

    if (out_hovered) *out_hovered = hovered;
    if (out_held) *out_held = held;

    return pressed;
}

bool ImGui::ButtonEx(const char* label, const ImVec2& size_arg, ImGuiButtonFlags flags)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    const ImGuiStyle& style = g.Style;
    const ImGuiID id = window->GetID(label);
    const ImVec2 label_size = CalcTextSize(label, NULL, true);

    ImVec2 pos = window->DC.CursorPos;
    if ((flags & ImGuiButtonFlags_AlignTextBaseLine) && style.FramePadding.y < window->DC.CurrLineTextBaseOffset)                        
        pos.y += window->DC.CurrLineTextBaseOffset - style.FramePadding.y;
    ImVec2 size = CalcItemSize(size_arg, label_size.x + style.FramePadding.x * 2.0f, label_size.y + style.FramePadding.y * 2.0f);

    
     ImRect bb(pos, pos + size);
    ItemSize(size, style.FramePadding.y);
    if (!ItemAdd(bb, id))
        return false;
        

    if (window->DC.ItemFlags & ImGuiItemFlags_ButtonRepeat)
        flags |= ImGuiButtonFlags_Repeat;
    bool hovered, held;
    bool pressed = ButtonBehavior(bb, id, &hovered, &held, flags);

    
    if (!held) {
        RenderFrame(bb.Min - ImVec2(1, 1), bb.Max - ImVec2(0, 0), colWhite, true, style.FrameRounding);
        RenderFrame(bb.Min + ImVec2(0, 0), bb.Max + ImVec2(1, 1), colBlack, true, style.FrameRounding);
    }
    else
    {
        RenderFrame(bb.Min - ImVec2(1, 1), bb.Max - ImVec2(0, 0), colBlack, true, style.FrameRounding);
        RenderFrame(bb.Min + ImVec2(0, 0), bb.Max + ImVec2(1, 1), colWhite, true, style.FrameRounding);
    }

    const ImU32 col = GetColorU32(ImGuiCol_Button);
    RenderNavHighlight(bb, id);
    RenderFrame(bb.Min, bb.Max, col, true, style.FrameRounding);

    if (g.LogEnabled)
        LogSetNextTextDecoration("[", "]");

    if (!held) {
        RenderTextClipped(bb.Min + style.FramePadding - ImVec2(1,1), bb.Max - style.FramePadding, label, NULL, &label_size, style.ButtonTextAlign, &bb);
    }
    else
    {
        RenderTextClipped(bb.Min + style.FramePadding, bb.Max - style.FramePadding + ImVec2(2.0f, 2.0f), label, NULL, &label_size, style.ButtonTextAlign, &bb);
    }



    IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.LastItemStatusFlags);

    ImVec2 newpos = window->DC.CursorPos;
    window->DC.CursorPos = newpos + ImVec2(0, 8.0f);

    return pressed;
}

bool ImGui::Button(const char* label, const ImVec2& size_arg)
{
    return ButtonEx(label, size_arg, ImGuiButtonFlags_None);
}

bool ImGui::SmallButton(const char* label)
{
    ImGuiContext& g = *GImGui;
    float backup_padding_y = g.Style.FramePadding.y;
    g.Style.FramePadding.y = 0.0f;
    bool pressed = ButtonEx(label, ImVec2(0, 0), ImGuiButtonFlags_AlignTextBaseLine);
    g.Style.FramePadding.y = backup_padding_y;
    return pressed;
}

bool ImGui::InvisibleButton(const char* str_id, const ImVec2& size_arg, ImGuiButtonFlags flags)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    IM_ASSERT(size_arg.x != 0.0f && size_arg.y != 0.0f);

    const ImGuiID id = window->GetID(str_id);
    ImVec2 size = CalcItemSize(size_arg, 0.0f, 0.0f);
    const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + size);
    ItemSize(size);
    if (!ItemAdd(bb, id))
        return false;

    bool hovered, held;
    bool pressed = ButtonBehavior(bb, id, &hovered, &held, flags);

    return pressed;
}

bool ImGui::ArrowButtonEx(const char* str_id, ImGuiDir dir, ImVec2 size, ImGuiButtonFlags flags)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    const ImGuiID id = window->GetID(str_id);
    const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + size);
    const float default_size = GetFrameHeight();
    ItemSize(size, (size.y >= default_size) ? g.Style.FramePadding.y : -1.0f);
    if (!ItemAdd(bb, id))
        return false;

    if (window->DC.ItemFlags & ImGuiItemFlags_ButtonRepeat)
        flags |= ImGuiButtonFlags_Repeat;

    bool hovered, held;
    bool pressed = ButtonBehavior(bb, id, &hovered, &held, flags);

    ImU32 bg_col = GetColorU32(hovered ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg); 
    ImU32 text_col = GetColorU32(ImGuiCol_Text);

    RenderNavHighlight(bb, id);
    RenderFrame(bb.Min, bb.Max, bg_col, true, g.Style.FrameRounding);
    RenderArrow(window->DrawList, bb.Min + ImVec2(ImMax(0.0f, (size.x - g.FontSize) * 0.5f), ImMax(0.0f, (size.y - g.FontSize) * 0.5f)), text_col, dir);

    window->DrawList->AddLine(ImVec2(bb.Min.x - 1.0f, bb.Min.y), ImVec2(bb.Max.x - 1.0f, bb.Min.y), colBlack, 1.0f);
    window->DrawList->AddLine(ImVec2(bb.Min.x - 1.0f, bb.Min.y), ImVec2(bb.Min.x - 1.0f, bb.Max.y), 0xFFA2A2A2, 1.0f); 

    window->DrawList->AddLine(ImVec2(bb.Max.x - 1.0f, bb.Min.y), ImVec2(bb.Max.x - 1.0f, bb.Max.y), colWhite, 1.0f);
    window->DrawList->AddLine(ImVec2(bb.Min.x - 1.0f, bb.Max.y), ImVec2(bb.Max.x - 1.0f, bb.Max.y), colWhite, 1.0f);
    return pressed;
}

bool ImGui::ArrowButton(const char* str_id, ImGuiDir dir)
{
    float sz = GetFrameHeight();
    return ArrowButtonEx(str_id, dir, ImVec2(sz, sz), ImGuiButtonFlags_None);
}

bool ImGui::CloseButton(ImGuiID id, const ImVec2& pos)  
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = g.CurrentWindow;

    const ImRect bb(pos, pos + ImVec2(g.FontSize, g.FontSize) + g.Style.FramePadding * 2.0f);
    bool is_clipped = !ItemAdd(bb, id);

    bool hovered, held;
    bool pressed = ButtonBehavior(bb, id, &hovered, &held);
    if (is_clipped)
        return pressed;

    ImU32 col = GetColorU32(held ? ImGuiCol_ButtonActive : ImGuiCol_ButtonHovered);
    ImVec2 center = bb.GetCenter();
    if (hovered)
        window->DrawList->AddCircleFilled(center, ImMax(2.0f, g.FontSize * 0.5f + 1.0f), col, 12);

    float cross_extent = g.FontSize * 0.5f * 0.7071f - 1.0f;
    ImU32 cross_col = GetColorU32(ImGuiCol_Text);
    center -= ImVec2(0.5f, 0.5f);
    window->DrawList->AddLine(center + ImVec2(+cross_extent, +cross_extent), center + ImVec2(-cross_extent, -cross_extent), cross_col, 1.0f);
    window->DrawList->AddLine(center + ImVec2(+cross_extent, -cross_extent), center + ImVec2(-cross_extent, +cross_extent), cross_col, 1.0f);

    return pressed;
}

bool ImGui::CollapseButton(ImGuiID id, const ImVec2& pos)
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = g.CurrentWindow;

    ImRect bb(pos, pos + ImVec2(g.FontSize, g.FontSize) + g.Style.FramePadding * 2.0f);
    ItemAdd(bb, id);
    bool hovered, held;
    bool pressed = ButtonBehavior(bb, id, &hovered, &held, ImGuiButtonFlags_None);

    ImU32 bg_col = GetColorU32((held && hovered) ? ImGuiCol_ButtonActive : hovered ? ImGuiCol_ButtonHovered : ImGuiCol_Button);
    ImU32 text_col = GetColorU32(ImGuiCol_Text);
    ImVec2 center = bb.GetCenter();
    if (hovered || held)
        window->DrawList->AddCircleFilled(center  , g.FontSize * 0.5f + 1.0f, bg_col, 12);
    RenderArrow(window->DrawList, bb.Min + g.Style.FramePadding, text_col, window->Collapsed ? ImGuiDir_Right : ImGuiDir_Down, 1.0f);

    if (IsItemActive() && IsMouseDragging(0))
        StartMouseMovingWindow(window);

    return pressed;
}

ImGuiID ImGui::GetWindowScrollbarID(ImGuiWindow* window, ImGuiAxis axis)
{
    return window->GetIDNoKeepAlive(axis == ImGuiAxis_X ? "#SCROLLX" : "#SCROLLY");
}

ImRect ImGui::GetWindowScrollbarRect(ImGuiWindow* window, ImGuiAxis axis)
{
    const ImRect outer_rect = window->Rect();
    const ImRect inner_rect = window->InnerRect;
    const float border_size = window->WindowBorderSize;
    const float scrollbar_size = window->ScrollbarSizes[axis ^ 1];             
    IM_ASSERT(scrollbar_size > 0.0f);
    if (axis == ImGuiAxis_X)
        return ImRect(inner_rect.Min.x, ImMax(outer_rect.Min.y, outer_rect.Max.y - border_size - scrollbar_size), inner_rect.Max.x, outer_rect.Max.y);
    else
        return ImRect(ImMax(outer_rect.Min.x, outer_rect.Max.x - border_size - scrollbar_size), inner_rect.Min.y, outer_rect.Max.x, inner_rect.Max.y);
}

void ImGui::Scrollbar(ImGuiAxis axis)
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = g.CurrentWindow;

    const ImGuiID id = GetWindowScrollbarID(window, axis);
    KeepAliveID(id);

    ImRect bb = GetWindowScrollbarRect(window, axis);
    ImDrawCornerFlags rounding_corners = 0;
    if (axis == ImGuiAxis_X)
    {
        rounding_corners |= ImDrawCornerFlags_BotLeft;
        if (!window->ScrollbarY)
            rounding_corners |= ImDrawCornerFlags_BotRight;
    }
    else
    {
        if ((window->Flags & ImGuiWindowFlags_NoTitleBar) && !(window->Flags & ImGuiWindowFlags_MenuBar))
            rounding_corners |= ImDrawCornerFlags_TopRight;
        if (!window->ScrollbarX)
            rounding_corners |= ImDrawCornerFlags_BotRight;
    }
    float size_avail = window->InnerRect.Max[axis] - window->InnerRect.Min[axis];
    float size_contents = window->ContentSize[axis] + window->WindowPadding[axis] * 2.0f;
    ScrollbarEx(bb, id, axis, &window->Scroll[axis], size_avail, size_contents, rounding_corners);
}

bool ImGui::ScrollbarEx(const ImRect& bb_frame, ImGuiID id, ImGuiAxis axis, float* p_scroll_v, float size_avail_v, float size_contents_v, ImDrawCornerFlags rounding_corners)
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = g.CurrentWindow;
    if (window->SkipItems)
        return false;

    const float bb_frame_width = bb_frame.GetWidth();
    const float bb_frame_height = bb_frame.GetHeight();
    if (bb_frame_width <= 0.0f || bb_frame_height <= 0.0f)
        return false;

    float alpha = 1.0f;
    if ((axis == ImGuiAxis_Y) && bb_frame_height < g.FontSize + g.Style.FramePadding.y * 2.0f)
        alpha = ImSaturate((bb_frame_height - g.FontSize) / (g.Style.FramePadding.y * 2.0f));
    if (alpha <= 0.0f)
        return false;

    const ImGuiStyle& style = g.Style;
    const bool allow_interaction = (alpha >= 1.0f);

    ImRect bb = bb_frame;
    bb.Expand(ImVec2(-ImClamp(IM_FLOOR((bb_frame_width - 2.0f) * 0.5f), 0.0f, 3.0f), -ImClamp(IM_FLOOR((bb_frame_height - 2.0f) * 0.5f), 0.0f, 3.0f)));

    const float scrollbar_size_v = (axis == ImGuiAxis_X) ? bb.GetWidth() : bb.GetHeight();

    IM_ASSERT(ImMax(size_contents_v, size_avail_v) > 0.0f);                  
    const float win_size_v = ImMax(ImMax(size_contents_v, size_avail_v), 1.0f);
    const float grab_h_pixels = ImClamp(scrollbar_size_v * (size_avail_v / win_size_v), style.GrabMinSize, scrollbar_size_v);
    const float grab_h_norm = grab_h_pixels / scrollbar_size_v;

    bool held = false;
    bool hovered = false;
    ButtonBehavior(bb, id, &hovered, &held, ImGuiButtonFlags_NoNavFocus);

    float scroll_max = ImMax(1.0f, size_contents_v - size_avail_v);
    float scroll_ratio = ImSaturate(*p_scroll_v / scroll_max);
    float grab_v_norm = scroll_ratio * (scrollbar_size_v - grab_h_pixels) / scrollbar_size_v;      
    if (held && allow_interaction && grab_h_norm < 1.0f)
    {
        float scrollbar_pos_v = bb.Min[axis];
        float mouse_pos_v = g.IO.MousePos[axis];

        const float clicked_v_norm = ImSaturate((mouse_pos_v - scrollbar_pos_v) / scrollbar_size_v);
        SetHoveredID(id);

        bool seek_absolute = false;
        if (g.ActiveIdIsJustActivated)
        {
            seek_absolute = (clicked_v_norm < grab_v_norm || clicked_v_norm > grab_v_norm + grab_h_norm);
            if (seek_absolute)
                g.ScrollbarClickDeltaToGrabCenter = 0.0f;
            else
                g.ScrollbarClickDeltaToGrabCenter = clicked_v_norm - grab_v_norm - grab_h_norm * 0.5f;
        }

        const float scroll_v_norm = ImSaturate((clicked_v_norm - g.ScrollbarClickDeltaToGrabCenter - grab_h_norm * 0.5f) / (1.0f - grab_h_norm));
        *p_scroll_v = IM_ROUND(scroll_v_norm * scroll_max);  

        scroll_ratio = ImSaturate(*p_scroll_v / scroll_max);
        grab_v_norm = scroll_ratio * (scrollbar_size_v - grab_h_pixels) / scrollbar_size_v;

        if (seek_absolute)
            g.ScrollbarClickDeltaToGrabCenter = clicked_v_norm - grab_v_norm - grab_h_norm * 0.5f;
    }

    const ImU32 grab_col = GetColorU32(ImGuiCol_ScrollbarGrabActive) ;      
    const ImU32 bg_col = GetColorU32(ImGuiCol_ScrollbarBg);  
    window->DrawList->AddRectFilled(bb_frame.Min, bb_frame.Max, bg_col, window->WindowRounding, rounding_corners);
    ImRect grab_rect;
    if (axis == ImGuiAxis_X)
        grab_rect = ImRect(ImLerp(bb.Min.x, bb.Max.x, grab_v_norm), bb.Min.y, ImLerp(bb.Min.x, bb.Max.x, grab_v_norm) + grab_h_pixels, bb.Max.y);
    else
        grab_rect = ImRect(bb.Min.x, ImLerp(bb.Min.y, bb.Max.y, grab_v_norm), bb.Max.x, ImLerp(bb.Min.y, bb.Max.y, grab_v_norm) + grab_h_pixels);

    RenderFrame(grab_rect.Min - ImVec2(1, 1), grab_rect.Max - ImVec2(0, 0), colWhite, true, style.FrameRounding);  
    RenderFrame(grab_rect.Min + ImVec2(0, 0), grab_rect.Max + ImVec2(1, 1), colBlack, true, style.FrameRounding);
    window->DrawList->AddRectFilled(grab_rect.Min, grab_rect.Max, grab_col, style.ScrollbarRounding);

   


    return held;
}

void ImGui::Image(ImTextureID user_texture_id, const ImVec2& size, const ImVec2& uv0, const ImVec2& uv1, const ImVec4& tint_col, const ImVec4& border_col)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return;

    ImRect bb(window->DC.CursorPos, window->DC.CursorPos + size);
    if (border_col.w > 0.0f)
        bb.Max += ImVec2(2, 2);
    ItemSize(bb);
    if (!ItemAdd(bb, 0))
        return;

    if (border_col.w > 0.0f)
    {
        window->DrawList->AddRect(bb.Min, bb.Max, GetColorU32(border_col), 0.0f);
        window->DrawList->AddImage(user_texture_id, bb.Min + ImVec2(1, 1), bb.Max - ImVec2(1, 1), uv0, uv1, GetColorU32(tint_col));
    }
    else
    {
        window->DrawList->AddImage(user_texture_id, bb.Min, bb.Max, uv0, uv1, GetColorU32(tint_col));
    }
}

bool ImGui::ImageButtonEx(ImGuiID id, ImTextureID texture_id, const ImVec2& size, const ImVec2& uv0, const ImVec2& uv1, const ImVec2& padding, const ImVec4& bg_col, const ImVec4& tint_col)
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + size + padding * 2);
    ItemSize(bb);
    if (!ItemAdd(bb, id))
        return false;

    bool hovered, held;
    bool pressed = ButtonBehavior(bb, id, &hovered, &held);

    const ImU32 col = GetColorU32((held && hovered) ? ImGuiCol_ButtonActive : hovered ? ImGuiCol_ButtonHovered : ImGuiCol_Button);
    RenderNavHighlight(bb, id);
    RenderFrame(bb.Min, bb.Max, col, true, ImClamp((float)ImMin(padding.x, padding.y), 0.0f, g.Style.FrameRounding));
    if (bg_col.w > 0.0f)
        window->DrawList->AddRectFilled(bb.Min + padding, bb.Max - padding, GetColorU32(bg_col));
    window->DrawList->AddImage(texture_id, bb.Min + padding, bb.Max - padding, uv0, uv1, GetColorU32(tint_col));

    return pressed;
}

bool ImGui::ImageButton(ImTextureID user_texture_id, const ImVec2& size, const ImVec2& uv0, const ImVec2& uv1, int frame_padding, const ImVec4& bg_col, const ImVec4& tint_col)
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = g.CurrentWindow;
    if (window->SkipItems)
        return false;

    PushID((void*)(intptr_t)user_texture_id);
    const ImGuiID id = window->GetID("#image");
    PopID();

    const ImVec2 padding = (frame_padding >= 0) ? ImVec2((float)frame_padding, (float)frame_padding) : g.Style.FramePadding;
    return ImageButtonEx(id, user_texture_id, size, uv0, uv1, padding, bg_col, tint_col);
}

bool ImGui::Checkbox(const char* label, bool* v)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    const ImGuiStyle& style = g.Style;
    const ImGuiID id = window->GetID(label);
    const ImVec2 label_size = CalcTextSize(label, NULL, true);

    const float square_sz = GetFrameHeight();
    const ImVec2 pos = window->DC.CursorPos; 
     ImRect total_bb(pos, pos + ImVec2(square_sz + (label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f), label_size.y + style.FramePadding.y * 2.0f));
     total_bb.Max.y += 10.0f; 

    ItemSize(total_bb, style.FramePadding.y);
    if (!ItemAdd(total_bb, id))
    {
        IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.ItemFlags | ImGuiItemStatusFlags_Checkable | (*v ? ImGuiItemStatusFlags_Checked : 0));
        return false;
    }

    bool hovered, held;
    bool pressed = ButtonBehavior(total_bb, id, &hovered, &held);
    if (pressed)
    {
        *v = !(*v);
        MarkItemEdited(id);
    }

     ImRect check_bb(pos, pos + ImVec2(square_sz, square_sz));
    RenderNavHighlight(total_bb, id);
    
    check_bb.Max.x -= 10.0f;
    check_bb.Max.y -= 10.0f;

    RenderFrame(check_bb.Min, check_bb.Max, GetColorU32((held && hovered) ? ImGuiCol_FrameBgActive : hovered ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg), true, style.FrameRounding);
    
    window->DrawList->AddLine(ImVec2(check_bb.Min.x - 1.0f, check_bb.Min.y), ImVec2(check_bb.Max.x - 1.0f, check_bb.Min.y ), colBlack, 1.0f);
    window->DrawList->AddLine(ImVec2(check_bb.Min.x - 1.0f, check_bb.Min.y), ImVec2(check_bb.Min.x - 1.0f, check_bb.Max.y), colBlack, 1.0f);
    window->DrawList->AddLine(ImVec2(check_bb.Max.x - 1.0f, check_bb.Min.y), ImVec2(check_bb.Max.x - 1.0f, check_bb.Max.y), colWhite, 1.0f);
    window->DrawList->AddLine(ImVec2(check_bb.Min.x - 1.0f, check_bb.Max.y), ImVec2(check_bb.Max.x - 1.0f, check_bb.Max.y), colWhite, 1.0f);

    ImU32 check_col = GetColorU32(ImGuiCol_CheckMark);
    bool mixed_value = (window->DC.ItemFlags & ImGuiItemFlags_MixedValue) != 0;
    if (mixed_value)
    {
        ImVec2 pad(ImMax(1.0f, IM_FLOOR(square_sz / 3.6f)), ImMax(1.0f, IM_FLOOR(square_sz / 3.6f)));
        window->DrawList->AddRectFilled(check_bb.Min + pad, check_bb.Max - pad, check_col, style.FrameRounding);
    }
    else if (*v)
    {
        const float pad = ImMax(1.0f, IM_FLOOR(square_sz / 6.0f));
        RenderCheckMark(window->DrawList, check_bb.Min + ImVec2(pad, pad) - ImVec2(2.0f,1.0f), check_col, square_sz - pad * 2.0f - 7.0f);
    }

    ImVec2 label_pos = ImVec2(check_bb.Max.x + style.ItemInnerSpacing.x, check_bb.Min.y + style.FramePadding.y);
    label_pos.y -= 5.0f; label_pos.x += 3.0f;
    if (g.LogEnabled)
        LogRenderedText(&label_pos, mixed_value ? "[~]" : *v ? "[x]" : "[ ]");
    if (label_size.x > 0.0f) {
        if (*v)
            RenderText(label_pos, label, 0, 1);
        else
            RenderText(label_pos, label, 0, 1, colWhiteText);
    }


    IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.ItemFlags | ImGuiItemStatusFlags_Checkable | (*v ? ImGuiItemStatusFlags_Checked : 0));
    return pressed;
}

template<typename T>
bool ImGui::CheckboxFlagsT(const char* label, T* flags, T flags_value)
{
    bool all_on = (*flags & flags_value) == flags_value;
    bool any_on = (*flags & flags_value) != 0;
    bool pressed;
    if (!all_on && any_on)
    {
        ImGuiWindow* window = GetCurrentWindow();
        ImGuiItemFlags backup_item_flags = window->DC.ItemFlags;
        window->DC.ItemFlags |= ImGuiItemFlags_MixedValue;
        pressed = Checkbox(label, &all_on);
        window->DC.ItemFlags = backup_item_flags;
    }
    else
    {
        pressed = Checkbox(label, &all_on);

    }
    if (pressed)
    {
        if (all_on)
            *flags |= flags_value;
        else
            *flags &= ~flags_value;
    }
    return pressed;
}

bool ImGui::CheckboxFlags(const char* label, int* flags, int flags_value)
{
    return CheckboxFlagsT(label, flags, flags_value);
}

bool ImGui::CheckboxFlags(const char* label, unsigned int* flags, unsigned int flags_value)
{
    return CheckboxFlagsT(label, flags, flags_value);
}

bool ImGui::CheckboxFlags(const char* label, ImS64* flags, ImS64 flags_value)
{
    return CheckboxFlagsT(label, flags, flags_value);
}

bool ImGui::CheckboxFlags(const char* label, ImU64* flags, ImU64 flags_value)
{
    return CheckboxFlagsT(label, flags, flags_value);
}

bool ImGui::RadioButton(const char* label, bool active)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    const ImGuiStyle& style = g.Style;
    const ImGuiID id = window->GetID(label);
    const ImVec2 label_size = CalcTextSize(label, NULL, true);

    const float square_sz = GetFrameHeight();
    const ImVec2 pos = window->DC.CursorPos;
    const ImRect check_bb(pos, pos + ImVec2(square_sz, square_sz));
    const ImRect total_bb(pos, pos + ImVec2(square_sz + (label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f), label_size.y + style.FramePadding.y * 2.0f));
    ItemSize(total_bb, style.FramePadding.y);
    if (!ItemAdd(total_bb, id))
        return false;

    ImVec2 center = check_bb.GetCenter();
    center.x = IM_ROUND(center.x);
    center.y = IM_ROUND(center.y);
    const float radius = (square_sz - 1.0f) * 0.5f;

    bool hovered, held;
    bool pressed = ButtonBehavior(total_bb, id, &hovered, &held);
    if (pressed)
        MarkItemEdited(id);

    RenderNavHighlight(total_bb, id);
    window->DrawList->AddCircleFilled(center, radius, GetColorU32((held && hovered) ? ImGuiCol_FrameBgActive : hovered ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg), 16);
    if (active)
    {
        const float pad = ImMax(1.0f, IM_FLOOR(square_sz / 6.0f));
        window->DrawList->AddCircleFilled(center, radius - pad, GetColorU32(ImGuiCol_CheckMark), 16);
    }

    if (style.FrameBorderSize > 0.0f)
    {
        window->DrawList->AddCircle(center + ImVec2(1, 1), radius, GetColorU32(ImGuiCol_BorderShadow), 16, style.FrameBorderSize);
        window->DrawList->AddCircle(center, radius, GetColorU32(ImGuiCol_Border), 16, style.FrameBorderSize);
    }

    ImVec2 label_pos = ImVec2(check_bb.Max.x + style.ItemInnerSpacing.x, check_bb.Min.y + style.FramePadding.y);
    if (g.LogEnabled)
        LogRenderedText(&label_pos, active ? "(x)" : "( )");
    if (label_size.x > 0.0f)
        RenderText(label_pos, label);

    IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.ItemFlags);
    return pressed;
}

bool ImGui::RadioButton(const char* label, int* v, int v_button)
{
    const bool pressed = RadioButton(label, *v == v_button);
    if (pressed)
        *v = v_button;
    return pressed;
}

void ImGui::ProgressBar(float fraction, const ImVec2& size_arg, const char* overlay)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return;

    ImGuiContext& g = *GImGui;
    const ImGuiStyle& style = g.Style;

    ImVec2 pos = window->DC.CursorPos;
    ImVec2 size = CalcItemSize(size_arg, CalcItemWidth(), g.FontSize + style.FramePadding.y * 2.0f);
    ImRect bb(pos, pos + size);
    ItemSize(size, style.FramePadding.y);
    if (!ItemAdd(bb, 0))
        return;

    fraction = ImSaturate(fraction);
    RenderFrame(bb.Min, bb.Max, GetColorU32(ImGuiCol_FrameBg), true, style.FrameRounding);
    bb.Expand(ImVec2(-style.FrameBorderSize, -style.FrameBorderSize));
    const ImVec2 fill_br = ImVec2(ImLerp(bb.Min.x, bb.Max.x, fraction), bb.Max.y);
    RenderRectFilledRangeH(window->DrawList, bb, GetColorU32(ImGuiCol_PlotHistogram), 0.0f, fraction, style.FrameRounding);

    char overlay_buf[32];
    if (!overlay)
    {
        ImFormatString(overlay_buf, IM_ARRAYSIZE(overlay_buf), "%.0f%%", fraction * 100 + 0.01f);
        overlay = overlay_buf;
    }

    ImVec2 overlay_size = CalcTextSize(overlay, NULL);
    if (overlay_size.x > 0.0f)
        RenderTextClipped(ImVec2(ImClamp(fill_br.x + style.ItemSpacing.x, bb.Min.x, bb.Max.x - overlay_size.x - style.ItemInnerSpacing.x), bb.Min.y), bb.Max, overlay, NULL, &overlay_size, ImVec2(0.0f, 0.5f), &bb);
}

void ImGui::Bullet()
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return;

    ImGuiContext& g = *GImGui;
    const ImGuiStyle& style = g.Style;
    const float line_height = ImMax(ImMin(window->DC.CurrLineSize.y, g.FontSize + g.Style.FramePadding.y * 2), g.FontSize);
    const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(g.FontSize, line_height));
    ItemSize(bb);
    if (!ItemAdd(bb, 0))
    {
        SameLine(0, style.FramePadding.x * 2);
        return;
    }

    ImU32 text_col = GetColorU32(ImGuiCol_Text);
    RenderBullet(window->DrawList, bb.Min + ImVec2(style.FramePadding.x + g.FontSize * 0.5f, line_height * 0.5f), text_col);
    SameLine(0, style.FramePadding.x * 2.0f);
}

void ImGui::Spacing()
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return;
    ItemSize(ImVec2(0, 0));
}

void ImGui::Dummy(const ImVec2& size)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return;

    const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + size);
    ItemSize(size);
    ItemAdd(bb, 0);
}

void ImGui::NewLine()
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return;

    ImGuiContext& g = *GImGui;
    const ImGuiLayoutType backup_layout_type = window->DC.LayoutType;
    window->DC.LayoutType = ImGuiLayoutType_Vertical;
    if (window->DC.CurrLineSize.y > 0.0f)                           
        ItemSize(ImVec2(0, 0));
    else
        ItemSize(ImVec2(0.0f, g.FontSize));
    window->DC.LayoutType = backup_layout_type;
}

void ImGui::AlignTextToFramePadding()
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return;

    ImGuiContext& g = *GImGui;
    window->DC.CurrLineSize.y = ImMax(window->DC.CurrLineSize.y, g.FontSize + g.Style.FramePadding.y * 2);
    window->DC.CurrLineTextBaseOffset = ImMax(window->DC.CurrLineTextBaseOffset, g.Style.FramePadding.y);
}

void ImGui::SeparatorEx(ImGuiSeparatorFlags flags)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return;

    ImGuiContext& g = *GImGui;
    IM_ASSERT(ImIsPowerOfTwo(flags & (ImGuiSeparatorFlags_Horizontal | ImGuiSeparatorFlags_Vertical)));          

    float thickness_draw = 1.0f;
    float thickness_layout = 0.0f;
    if (flags & ImGuiSeparatorFlags_Vertical)
    {
        float y1 = window->DC.CursorPos.y;
        float y2 = window->DC.CursorPos.y + window->DC.CurrLineSize.y;
        const ImRect bb(ImVec2(window->DC.CursorPos.x, y1), ImVec2(window->DC.CursorPos.x + thickness_draw, y2));
        ItemSize(ImVec2(thickness_layout, 0.0f));
        if (!ItemAdd(bb, 0))
            return;

        window->DrawList->AddLine(ImVec2(bb.Min.x, bb.Min.y), ImVec2(bb.Min.x, bb.Max.y), GetColorU32(ImGuiCol_Separator));
        if (g.LogEnabled)
            LogText(" |");
    }
    else if (flags & ImGuiSeparatorFlags_Horizontal)
    {
        float x1 = window->Pos.x;
        float x2 = window->Pos.x + window->Size.x;

        if (g.GroupStack.Size > 0 && g.GroupStack.back().WindowID == window->ID)
            x1 += window->DC.Indent.x;

        ImGuiOldColumns* columns = (flags & ImGuiSeparatorFlags_SpanAllColumns) ? window->DC.CurrentColumns : NULL;
        if (columns)
            PushColumnsBackground();

        const ImRect bb(ImVec2(x1, window->DC.CursorPos.y), ImVec2(x2, window->DC.CursorPos.y + thickness_draw));
        ItemSize(ImVec2(0.0f, thickness_layout));
        const bool item_visible = ItemAdd(bb, 0);
        if (item_visible)
        {
            window->DrawList->AddLine(ImVec2(bb.Min.x + 19.0f, bb.Min.y), ImVec2(bb.Max.x - 74.0f, bb.Min.y), colBlack);
            if (g.LogEnabled)
                LogRenderedText(&bb.Min, "--------------------------------\n");

        }
        if (columns)
        {
            PopColumnsBackground();
            columns->LineMinY = window->DC.CursorPos.y;
        }
    }
}

void ImGui::Separator()
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = g.CurrentWindow;
    if (window->SkipItems)
        return;

    ImGuiSeparatorFlags flags = (window->DC.LayoutType == ImGuiLayoutType_Horizontal) ? ImGuiSeparatorFlags_Vertical : ImGuiSeparatorFlags_Horizontal;
    flags |= ImGuiSeparatorFlags_SpanAllColumns;
    SeparatorEx(flags);
}

bool ImGui::SplitterBehavior(const ImRect& bb, ImGuiID id, ImGuiAxis axis, float* size1, float* size2, float min_size1, float min_size2, float hover_extend, float hover_visibility_delay)
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = g.CurrentWindow;

    const ImGuiItemFlags item_flags_backup = window->DC.ItemFlags;
    window->DC.ItemFlags |= ImGuiItemFlags_NoNav | ImGuiItemFlags_NoNavDefaultFocus;
    bool item_add = ItemAdd(bb, id);
    window->DC.ItemFlags = item_flags_backup;
    if (!item_add)
        return false;

    bool hovered, held;
    ImRect bb_interact = bb;
    bb_interact.Expand(axis == ImGuiAxis_Y ? ImVec2(0.0f, hover_extend) : ImVec2(hover_extend, 0.0f));
    ButtonBehavior(bb_interact, id, &hovered, &held, ImGuiButtonFlags_FlattenChildren | ImGuiButtonFlags_AllowItemOverlap);
    if (g.ActiveId != id)
        SetItemAllowOverlap();

    if (held || (g.HoveredId == id && g.HoveredIdPreviousFrame == id && g.HoveredIdTimer >= hover_visibility_delay))
        SetMouseCursor(axis == ImGuiAxis_Y ? ImGuiMouseCursor_ResizeNS : ImGuiMouseCursor_ResizeEW);

    ImRect bb_render = bb;
    if (held)
    {
        ImVec2 mouse_delta_2d = g.IO.MousePos - g.ActiveIdClickOffset - bb_interact.Min;
        float mouse_delta = (axis == ImGuiAxis_Y) ? mouse_delta_2d.y : mouse_delta_2d.x;

        float size_1_maximum_delta = ImMax(0.0f, *size1 - min_size1);
        float size_2_maximum_delta = ImMax(0.0f, *size2 - min_size2);
        if (mouse_delta < -size_1_maximum_delta)
            mouse_delta = -size_1_maximum_delta;
        if (mouse_delta > size_2_maximum_delta)
            mouse_delta = size_2_maximum_delta;

        if (mouse_delta != 0.0f)
        {
            if (mouse_delta < 0.0f)
                IM_ASSERT(*size1 + mouse_delta >= min_size1);
            if (mouse_delta > 0.0f)
                IM_ASSERT(*size2 - mouse_delta >= min_size2);
            *size1 += mouse_delta;
            *size2 -= mouse_delta;
            bb_render.Translate((axis == ImGuiAxis_X) ? ImVec2(mouse_delta, 0.0f) : ImVec2(0.0f, mouse_delta));
            MarkItemEdited(id);
        }
    }

    const ImU32 col = GetColorU32(held ? ImGuiCol_SeparatorActive : (hovered && g.HoveredIdTimer >= hover_visibility_delay) ? ImGuiCol_SeparatorHovered : ImGuiCol_Separator);
    window->DrawList->AddRectFilled(bb_render.Min, bb_render.Max, col, 0.0f);

    return held;
}

static int IMGUI_CDECL ShrinkWidthItemComparer(const void* lhs, const void* rhs)
{
    const ImGuiShrinkWidthItem* a = (const ImGuiShrinkWidthItem*)lhs;
    const ImGuiShrinkWidthItem* b = (const ImGuiShrinkWidthItem*)rhs;
    if (int d = (int)(b->Width - a->Width))
        return d;
    return (b->Index - a->Index);
}

void ImGui::ShrinkWidths(ImGuiShrinkWidthItem* items, int count, float width_excess)
{
    if (count == 1)
    {
        if (items[0].Width >= 0.0f)
            items[0].Width = ImMax(items[0].Width - width_excess, 1.0f);
        return;
    }
    ImQsort(items, (size_t)count, sizeof(ImGuiShrinkWidthItem), ShrinkWidthItemComparer);
    int count_same_width = 1;
    while (width_excess > 0.0f && count_same_width < count)
    {
        while (count_same_width < count && items[0].Width <= items[count_same_width].Width)
            count_same_width++;
        float max_width_to_remove_per_item = (count_same_width < count && items[count_same_width].Width >= 0.0f) ? (items[0].Width - items[count_same_width].Width) : (items[0].Width - 1.0f);
        if (max_width_to_remove_per_item <= 0.0f)
            break;
        float width_to_remove_per_item = ImMin(width_excess / count_same_width, max_width_to_remove_per_item);
        for (int item_n = 0; item_n < count_same_width; item_n++)
            items[item_n].Width -= width_to_remove_per_item;
        width_excess -= width_to_remove_per_item * count_same_width;
    }

    width_excess = 0.0f;
    for (int n = 0; n < count; n++)
    {
        float width_rounded = ImFloor(items[n].Width);
        width_excess += items[n].Width - width_rounded;
        items[n].Width = width_rounded;
    }
    if (width_excess > 0.0f)
        for (int n = 0; n < count; n++)
            if (items[n].Index < (int)(width_excess + 0.01f))
                items[n].Width += 1.0f;
}

static float CalcMaxPopupHeightFromItemCount(int items_count)
{
    ImGuiContext& g = *GImGui;
    if (items_count <= 0)
        return FLT_MAX;
    return (g.FontSize + g.Style.ItemSpacing.y) * items_count - g.Style.ItemSpacing.y + (g.Style.WindowPadding.y * 2);
}

bool ImGui::BeginCombo(const char* label, const char* preview_value, ImGuiComboFlags flags)
{
    
    ImGuiContext& g = *GImGui;
    bool has_window_size_constraint = (g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasSizeConstraint) != 0;
    g.NextWindowData.Flags &= ~ImGuiNextWindowDataFlags_HasSizeConstraint;

    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    IM_ASSERT((flags & (ImGuiComboFlags_NoArrowButton | ImGuiComboFlags_NoPreview)) != (ImGuiComboFlags_NoArrowButton | ImGuiComboFlags_NoPreview));      

     ImGuiStyle& style = g.Style;
    const ImGuiID id = window->GetID(label);

    const float arrow_size = (flags & ImGuiComboFlags_NoArrowButton) ? 0.0f : GetFrameHeight();
    const ImVec2 label_size = CalcTextSize(label, NULL, true);
    const float expected_w = CalcItemWidth();
    const float w = (flags & ImGuiComboFlags_NoPreview) ? arrow_size : expected_w;
     ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(w, label_size.y + style.FramePadding.y * 2.0f));
     ImRect total_bb(frame_bb.Min - ImVec2(0.0f,10.0f), frame_bb.Max + ImVec2(style.ItemInnerSpacing.x,-10.0f));   
     total_bb.Max.y += 10.0f;
    ItemSize(total_bb, style.FramePadding.y);
    if (!ItemAdd(total_bb, id, &frame_bb))
        return false;

    bool hovered, held;
    bool pressed = ButtonBehavior(frame_bb, id, &hovered, &held);
    bool popup_open = IsPopupOpen(id, ImGuiPopupFlags_None);

    const ImU32 frame_col = GetColorU32(ImGuiCol_FrameBg);

    const float value_x2 = ImMax(frame_bb.Min.x, frame_bb.Max.x - arrow_size);
    RenderNavHighlight(frame_bb, id);
    if (!(flags & ImGuiComboFlags_NoPreview))
        window->DrawList->AddRectFilled(frame_bb.Min, ImVec2(value_x2, frame_bb.Max.y), frame_col, style.FrameRounding, (flags & ImGuiComboFlags_NoArrowButton) ? ImDrawCornerFlags_All : ImDrawCornerFlags_Left);
    
    window->DrawList->AddLine(ImVec2(frame_bb.Min.x - 1.0f, frame_bb.Min.y), ImVec2(frame_bb.Max.x - 1.0f, frame_bb.Min.y), colBlack, 1.0f);
    window->DrawList->AddLine(ImVec2(frame_bb.Min.x - 1.0f, frame_bb.Min.y), ImVec2(frame_bb.Min.x - 1.0f, frame_bb.Max.y), colBlack, 1.0f);
    window->DrawList->AddLine(ImVec2(frame_bb.Max.x - 1.0f, frame_bb.Min.y), ImVec2(frame_bb.Max.x - 1.0f, frame_bb.Max.y), colWhite, 1.0f);
    window->DrawList->AddLine(ImVec2(frame_bb.Min.x - 1.0f, frame_bb.Max.y), ImVec2(frame_bb.Max.x - 1.0f, frame_bb.Max.y), colWhite, 1.0f);
  

    if (!(flags & ImGuiComboFlags_NoArrowButton))
    {
        ImU32 bg_col = GetColorU32(hovered ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg); 
        ImU32 text_col = GetColorU32(ImGuiCol_Text);
        window->DrawList->AddRectFilled(ImVec2(value_x2 + 1.0f, frame_bb.Min.y + 1.0f), ImVec2(frame_bb.Max.x - 1.0f, frame_bb.Max.y), bg_col, style.FrameRounding, (w <= arrow_size) ? ImDrawCornerFlags_All : ImDrawCornerFlags_Right);

        if (value_x2 + arrow_size - style.FramePadding.x <= frame_bb.Max.x)
            RenderArrow(window->DrawList, ImVec2(value_x2 + style.FramePadding.y, frame_bb.Min.y + style.FramePadding.y), text_col, ImGuiDir_Down, 1.0f);
    }
    RenderFrameBorder(frame_bb.Min, frame_bb.Max, style.FrameRounding);
    if (preview_value != NULL && !(flags & ImGuiComboFlags_NoPreview))
    {
        ImVec2 preview_pos = frame_bb.Min + style.FramePadding;
        if (g.LogEnabled)
            LogSetNextTextDecoration("{", "}");
        RenderTextClipped(preview_pos, ImVec2(value_x2, frame_bb.Max.y), preview_value, NULL, NULL, ImVec2(0.0f, 0.0f));
    }
    if (label_size.x > 0)
        RenderText(ImVec2(frame_bb.Min.x, frame_bb.Min.y + style.FramePadding.y - 20.0f), label);

    if ((pressed || g.NavActivateId == id) && !popup_open)
    {
        if (window->DC.NavLayerCurrent == 0)
            window->NavLastIds[0] = id;
        OpenPopupEx(id, ImGuiPopupFlags_None);
        popup_open = true;
    }

    if (!popup_open)
        return false;

    if (has_window_size_constraint)
    {
        g.NextWindowData.Flags |= ImGuiNextWindowDataFlags_HasSizeConstraint;
        g.NextWindowData.SizeConstraintRect.Min.x = ImMax(g.NextWindowData.SizeConstraintRect.Min.x, w);
    }
    else
    {
        if ((flags & ImGuiComboFlags_HeightMask_) == 0)
            flags |= ImGuiComboFlags_HeightRegular;
        IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiComboFlags_HeightMask_));      
        int popup_max_height_in_items = -1;
        if (flags & ImGuiComboFlags_HeightRegular)     popup_max_height_in_items = 8;
        else if (flags & ImGuiComboFlags_HeightSmall)  popup_max_height_in_items = 4;
        else if (flags & ImGuiComboFlags_HeightLarge)  popup_max_height_in_items = 20;
        SetNextWindowSizeConstraints(ImVec2(w, 0.0f), ImVec2(FLT_MAX, CalcMaxPopupHeightFromItemCount(popup_max_height_in_items)));
    }

    char name[16];
    ImFormatString(name, IM_ARRAYSIZE(name), "##Combo_%02d", g.BeginPopupStack.Size);      

    if (ImGuiWindow* popup_window = FindWindowByName(name))
        if (popup_window->WasActive)
        {
            ImVec2 size_expected = CalcWindowNextAutoFitSize(popup_window);
            if (flags & ImGuiComboFlags_PopupAlignLeft)
                popup_window->AutoPosLastDirection = ImGuiDir_Left;    
            else
                popup_window->AutoPosLastDirection = ImGuiDir_Down;     
            ImRect r_outer = GetWindowAllowedExtentRect(popup_window);
            ImVec2 pos = FindBestWindowPosForPopupEx(frame_bb.GetBL(), size_expected, &popup_window->AutoPosLastDirection, r_outer, frame_bb, ImGuiPopupPositionPolicy_ComboBox);
            SetNextWindowPos(pos);
        }

    ImGuiWindowFlags window_flags = ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_Popup | ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoMove;

    PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(style.FramePadding.x, style.WindowPadding.y));
    bool ret = Begin(name, NULL, window_flags);
    PopStyleVar();
    if (!ret)
    {
        EndPopup();
        IM_ASSERT(0);             
        return false;
    }
    return true;
}

void ImGui::EndCombo()
{
    EndPopup();
}

static bool Items_ArrayGetter(void* data, int idx, const char** out_text)
{
    const char* const* items = (const char* const*)data;
    if (out_text)
        *out_text = items[idx];
    return true;
}

static bool Items_SingleStringGetter(void* data, int idx, const char** out_text)
{
    const char* items_separated_by_zeros = (const char*)data;
    int items_count = 0;
    const char* p = items_separated_by_zeros;
    while (*p)
    {
        if (idx == items_count)
            break;
        p += strlen(p) + 1;
        items_count++;
    }
    if (!*p)
        return false;
    if (out_text)
        *out_text = p;
    return true;
}

bool ImGui::Combo(const char* label, int* current_item, bool (*items_getter)(void*, int, const char**), void* data, int items_count, int popup_max_height_in_items)
{
    ImGuiContext& g = *GImGui;

    const char* preview_value = NULL;
    if (*current_item >= 0 && *current_item < items_count)
        items_getter(data, *current_item, &preview_value);

    if (popup_max_height_in_items != -1 && !(g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasSizeConstraint))
        SetNextWindowSizeConstraints(ImVec2(0, 0), ImVec2(FLT_MAX, CalcMaxPopupHeightFromItemCount(popup_max_height_in_items)));

    if (!BeginCombo(label, preview_value, ImGuiComboFlags_None))
        return false;

    bool value_changed = false;
    for (int i = 0; i < items_count; i++)
    {
        PushID((void*)(intptr_t)i);
        const bool item_selected = (i == *current_item);
        const char* item_text;
        if (!items_getter(data, i, &item_text))
            item_text = "*Unknown item*";
        if (Selectable(item_text, item_selected))
        {
            value_changed = true;
            *current_item = i;
        }
        if (item_selected) {
            SetItemDefaultFocus();
        }
        PopID();
    }

    EndCombo();
    if (value_changed) {
       MarkItemEdited(g.CurrentWindow->DC.LastItemId);
    }

    return value_changed;
}

bool ImGui::Combo(const char* label, int* current_item, const char* const items[], int items_count, int height_in_items)
{
    const bool value_changed = Combo(label, current_item, Items_ArrayGetter, (void*)items, items_count, height_in_items);
    return value_changed;
}

bool ImGui::Combo(const char* label, int* current_item, const char* items_separated_by_zeros, int height_in_items)
{
    int items_count = 0;
    const char* p = items_separated_by_zeros;                   
    while (*p)
    {
        p += strlen(p) + 1;
        items_count++;
    }
    bool value_changed = Combo(label, current_item, Items_SingleStringGetter, (void*)items_separated_by_zeros, items_count, height_in_items);
    return value_changed;
}

static const ImGuiDataTypeInfo GDataTypeInfo[] =
{
    { sizeof(char),             "S8",   "%d",   "%d"    },   
    { sizeof(unsigned char),    "U8",   "%u",   "%u"    },
    { sizeof(short),            "S16",  "%d",   "%d"    },   
    { sizeof(unsigned short),   "U16",  "%u",   "%u"    },
    { sizeof(int),              "S32",  "%d",   "%d"    },   
    { sizeof(unsigned int),     "U32",  "%u",   "%u"    },
#ifdef _MSC_VER
    { sizeof(ImS64),            "S64",  "%I64d","%I64d" },   
    { sizeof(ImU64),            "U64",  "%I64u","%I64u" },
#else
    { sizeof(ImS64),            "S64",  "%lld", "%lld"  },   
    { sizeof(ImU64),            "U64",  "%llu", "%llu"  },
#endif
    { sizeof(float),            "float", "%f",  "%f"    },          
    { sizeof(double),           "double","%f",  "%lf"   },   
};
IM_STATIC_ASSERT(IM_ARRAYSIZE(GDataTypeInfo) == ImGuiDataType_COUNT);

static const char* PatchFormatStringFloatToInt(const char* fmt)
{
    if (fmt[0] == '%' && fmt[1] == '.' && fmt[2] == '0' && fmt[3] == 'f' && fmt[4] == 0)               
        return "%d";
    const char* fmt_start = ImParseFormatFindStart(fmt);           
    const char* fmt_end = ImParseFormatFindEnd(fmt_start);                      
    if (fmt_end > fmt_start && fmt_end[-1] == 'f')
    {
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
        if (fmt_start == fmt && fmt_end[0] == 0)
            return "%d";
        ImGuiContext& g = *GImGui;
        ImFormatString(g.TempBuffer, IM_ARRAYSIZE(g.TempBuffer), "%.*s%%d%s", (int)(fmt_start - fmt), fmt, fmt_end);         
        return g.TempBuffer;
#else
        IM_ASSERT(0 && "DragInt(): Invalid format string!");              
#endif
    }
    return fmt;
}

const ImGuiDataTypeInfo* ImGui::DataTypeGetInfo(ImGuiDataType data_type)
{
    IM_ASSERT(data_type >= 0 && data_type < ImGuiDataType_COUNT);
    return &GDataTypeInfo[data_type];
}

int ImGui::DataTypeFormatString(char* buf, int buf_size, ImGuiDataType data_type, const void* p_data, const char* format)
{
    if (data_type == ImGuiDataType_S32 || data_type == ImGuiDataType_U32)
        return ImFormatString(buf, buf_size, format, *(const ImU32*)p_data);
    if (data_type == ImGuiDataType_S64 || data_type == ImGuiDataType_U64)
        return ImFormatString(buf, buf_size, format, *(const ImU64*)p_data);
    if (data_type == ImGuiDataType_Float)
        return ImFormatString(buf, buf_size, format, *(const float*)p_data);
    if (data_type == ImGuiDataType_Double)
        return ImFormatString(buf, buf_size, format, *(const double*)p_data);
    if (data_type == ImGuiDataType_S8)
        return ImFormatString(buf, buf_size, format, *(const ImS8*)p_data);
    if (data_type == ImGuiDataType_U8)
        return ImFormatString(buf, buf_size, format, *(const ImU8*)p_data);
    if (data_type == ImGuiDataType_S16)
        return ImFormatString(buf, buf_size, format, *(const ImS16*)p_data);
    if (data_type == ImGuiDataType_U16)
        return ImFormatString(buf, buf_size, format, *(const ImU16*)p_data);
    IM_ASSERT(0);
    return 0;
}

void ImGui::DataTypeApplyOp(ImGuiDataType data_type, int op, void* output, const void* arg1, const void* arg2)
{
    IM_ASSERT(op == '+' || op == '-');
    switch (data_type)
    {
        case ImGuiDataType_S8:
            if (op == '+') { *(ImS8*)output  = ImAddClampOverflow(*(const ImS8*)arg1,  *(const ImS8*)arg2,  IM_S8_MIN,  IM_S8_MAX); }
            if (op == '-') { *(ImS8*)output  = ImSubClampOverflow(*(const ImS8*)arg1,  *(const ImS8*)arg2,  IM_S8_MIN,  IM_S8_MAX); }
            return;
        case ImGuiDataType_U8:
            if (op == '+') { *(ImU8*)output  = ImAddClampOverflow(*(const ImU8*)arg1,  *(const ImU8*)arg2,  IM_U8_MIN,  IM_U8_MAX); }
            if (op == '-') { *(ImU8*)output  = ImSubClampOverflow(*(const ImU8*)arg1,  *(const ImU8*)arg2,  IM_U8_MIN,  IM_U8_MAX); }
            return;
        case ImGuiDataType_S16:
            if (op == '+') { *(ImS16*)output = ImAddClampOverflow(*(const ImS16*)arg1, *(const ImS16*)arg2, IM_S16_MIN, IM_S16_MAX); }
            if (op == '-') { *(ImS16*)output = ImSubClampOverflow(*(const ImS16*)arg1, *(const ImS16*)arg2, IM_S16_MIN, IM_S16_MAX); }
            return;
        case ImGuiDataType_U16:
            if (op == '+') { *(ImU16*)output = ImAddClampOverflow(*(const ImU16*)arg1, *(const ImU16*)arg2, IM_U16_MIN, IM_U16_MAX); }
            if (op == '-') { *(ImU16*)output = ImSubClampOverflow(*(const ImU16*)arg1, *(const ImU16*)arg2, IM_U16_MIN, IM_U16_MAX); }
            return;
        case ImGuiDataType_S32:
            if (op == '+') { *(ImS32*)output = ImAddClampOverflow(*(const ImS32*)arg1, *(const ImS32*)arg2, IM_S32_MIN, IM_S32_MAX); }
            if (op == '-') { *(ImS32*)output = ImSubClampOverflow(*(const ImS32*)arg1, *(const ImS32*)arg2, IM_S32_MIN, IM_S32_MAX); }
            return;
        case ImGuiDataType_U32:
            if (op == '+') { *(ImU32*)output = ImAddClampOverflow(*(const ImU32*)arg1, *(const ImU32*)arg2, IM_U32_MIN, IM_U32_MAX); }
            if (op == '-') { *(ImU32*)output = ImSubClampOverflow(*(const ImU32*)arg1, *(const ImU32*)arg2, IM_U32_MIN, IM_U32_MAX); }
            return;
        case ImGuiDataType_S64:
            if (op == '+') { *(ImS64*)output = ImAddClampOverflow(*(const ImS64*)arg1, *(const ImS64*)arg2, IM_S64_MIN, IM_S64_MAX); }
            if (op == '-') { *(ImS64*)output = ImSubClampOverflow(*(const ImS64*)arg1, *(const ImS64*)arg2, IM_S64_MIN, IM_S64_MAX); }
            return;
        case ImGuiDataType_U64:
            if (op == '+') { *(ImU64*)output = ImAddClampOverflow(*(const ImU64*)arg1, *(const ImU64*)arg2, IM_U64_MIN, IM_U64_MAX); }
            if (op == '-') { *(ImU64*)output = ImSubClampOverflow(*(const ImU64*)arg1, *(const ImU64*)arg2, IM_U64_MIN, IM_U64_MAX); }
            return;
        case ImGuiDataType_Float:
            if (op == '+') { *(float*)output = *(const float*)arg1 + *(const float*)arg2; }
            if (op == '-') { *(float*)output = *(const float*)arg1 - *(const float*)arg2; }
            return;
        case ImGuiDataType_Double:
            if (op == '+') { *(double*)output = *(const double*)arg1 + *(const double*)arg2; }
            if (op == '-') { *(double*)output = *(const double*)arg1 - *(const double*)arg2; }
            return;
        case ImGuiDataType_COUNT: break;
    }
    IM_ASSERT(0);
}

bool ImGui::DataTypeApplyOpFromText(const char* buf, const char* initial_value_buf, ImGuiDataType data_type, void* p_data, const char* format)
{
    while (ImCharIsBlankA(*buf))
        buf++;

    char op = buf[0];
    if (op == '+' || op == '*' || op == '/')
    {
        buf++;
        while (ImCharIsBlankA(*buf))
            buf++;
    }
    else
    {
        op = 0;
    }
    if (!buf[0])
        return false;

    const ImGuiDataTypeInfo* type_info = DataTypeGetInfo(data_type);
    ImGuiDataTypeTempStorage data_backup;
    memcpy(&data_backup, p_data, type_info->Size);

    if (format == NULL)
        format = type_info->ScanFmt;

    int arg1i = 0;
    if (data_type == ImGuiDataType_S32)
    {
        int* v = (int*)p_data;
        int arg0i = *v;
        float arg1f = 0.0f;
        if (op && sscanf(initial_value_buf, format, &arg0i) < 1)
            return false;
        if (op == '+')      { if (sscanf(buf, "%d", &arg1i)) *v = (int)(arg0i + arg1i); }                        
        else if (op == '*') { if (sscanf(buf, "%f", &arg1f)) *v = (int)(arg0i * arg1f); }                    
        else if (op == '/') { if (sscanf(buf, "%f", &arg1f) && arg1f != 0.0f) *v = (int)(arg0i / arg1f); }   
        else                { if (sscanf(buf, format, &arg1i) == 1) *v = arg1i; }                             
    }
    else if (data_type == ImGuiDataType_Float)
    {
        format = "%f";
        float* v = (float*)p_data;
        float arg0f = *v, arg1f = 0.0f;
        if (op && sscanf(initial_value_buf, format, &arg0f) < 1)
            return false;
        if (sscanf(buf, format, &arg1f) < 1)
            return false;
        if (op == '+')      { *v = arg0f + arg1f; }                         
        else if (op == '*') { *v = arg0f * arg1f; }                     
        else if (op == '/') { if (arg1f != 0.0f) *v = arg0f / arg1f; }  
        else                { *v = arg1f; }                              
    }
    else if (data_type == ImGuiDataType_Double)
    {
        format = "%lf";              
        double* v = (double*)p_data;
        double arg0f = *v, arg1f = 0.0;
        if (op && sscanf(initial_value_buf, format, &arg0f) < 1)
            return false;
        if (sscanf(buf, format, &arg1f) < 1)
            return false;
        if (op == '+')      { *v = arg0f + arg1f; }                         
        else if (op == '*') { *v = arg0f * arg1f; }                     
        else if (op == '/') { if (arg1f != 0.0f) *v = arg0f / arg1f; }  
        else                { *v = arg1f; }                              
    }
    else if (data_type == ImGuiDataType_U32 || data_type == ImGuiDataType_S64 || data_type == ImGuiDataType_U64)
    {
        sscanf(buf, format, p_data);
    }
    else
    {
        int v32;
        sscanf(buf, format, &v32);
        if (data_type == ImGuiDataType_S8)
            *(ImS8*)p_data = (ImS8)ImClamp(v32, (int)IM_S8_MIN, (int)IM_S8_MAX);
        else if (data_type == ImGuiDataType_U8)
            *(ImU8*)p_data = (ImU8)ImClamp(v32, (int)IM_U8_MIN, (int)IM_U8_MAX);
        else if (data_type == ImGuiDataType_S16)
            *(ImS16*)p_data = (ImS16)ImClamp(v32, (int)IM_S16_MIN, (int)IM_S16_MAX);
        else if (data_type == ImGuiDataType_U16)
            *(ImU16*)p_data = (ImU16)ImClamp(v32, (int)IM_U16_MIN, (int)IM_U16_MAX);
        else
            IM_ASSERT(0);
    }

    return memcmp(&data_backup, p_data, type_info->Size) != 0;
}

template<typename T>
static int DataTypeCompareT(const T* lhs, const T* rhs)
{
    if (*lhs < *rhs) return -1;
    if (*lhs > *rhs) return +1;
    return 0;
}

int ImGui::DataTypeCompare(ImGuiDataType data_type, const void* arg_1, const void* arg_2)
{
    switch (data_type)
    {
    case ImGuiDataType_S8:     return DataTypeCompareT<ImS8  >((const ImS8*  )arg_1, (const ImS8*  )arg_2);
    case ImGuiDataType_U8:     return DataTypeCompareT<ImU8  >((const ImU8*  )arg_1, (const ImU8*  )arg_2);
    case ImGuiDataType_S16:    return DataTypeCompareT<ImS16 >((const ImS16* )arg_1, (const ImS16* )arg_2);
    case ImGuiDataType_U16:    return DataTypeCompareT<ImU16 >((const ImU16* )arg_1, (const ImU16* )arg_2);
    case ImGuiDataType_S32:    return DataTypeCompareT<ImS32 >((const ImS32* )arg_1, (const ImS32* )arg_2);
    case ImGuiDataType_U32:    return DataTypeCompareT<ImU32 >((const ImU32* )arg_1, (const ImU32* )arg_2);
    case ImGuiDataType_S64:    return DataTypeCompareT<ImS64 >((const ImS64* )arg_1, (const ImS64* )arg_2);
    case ImGuiDataType_U64:    return DataTypeCompareT<ImU64 >((const ImU64* )arg_1, (const ImU64* )arg_2);
    case ImGuiDataType_Float:  return DataTypeCompareT<float >((const float* )arg_1, (const float* )arg_2);
    case ImGuiDataType_Double: return DataTypeCompareT<double>((const double*)arg_1, (const double*)arg_2);
    case ImGuiDataType_COUNT:  break;
    }
    IM_ASSERT(0);
    return 0;
}

template<typename T>
static bool DataTypeClampT(T* v, const T* v_min, const T* v_max)
{
    if (v_min && *v < *v_min) { *v = *v_min; return true; }
    if (v_max && *v > *v_max) { *v = *v_max; return true; }
    return false;
}

bool ImGui::DataTypeClamp(ImGuiDataType data_type, void* p_data, const void* p_min, const void* p_max)
{
    switch (data_type)
    {
    case ImGuiDataType_S8:     return DataTypeClampT<ImS8  >((ImS8*  )p_data, (const ImS8*  )p_min, (const ImS8*  )p_max);
    case ImGuiDataType_U8:     return DataTypeClampT<ImU8  >((ImU8*  )p_data, (const ImU8*  )p_min, (const ImU8*  )p_max);
    case ImGuiDataType_S16:    return DataTypeClampT<ImS16 >((ImS16* )p_data, (const ImS16* )p_min, (const ImS16* )p_max);
    case ImGuiDataType_U16:    return DataTypeClampT<ImU16 >((ImU16* )p_data, (const ImU16* )p_min, (const ImU16* )p_max);
    case ImGuiDataType_S32:    return DataTypeClampT<ImS32 >((ImS32* )p_data, (const ImS32* )p_min, (const ImS32* )p_max);
    case ImGuiDataType_U32:    return DataTypeClampT<ImU32 >((ImU32* )p_data, (const ImU32* )p_min, (const ImU32* )p_max);
    case ImGuiDataType_S64:    return DataTypeClampT<ImS64 >((ImS64* )p_data, (const ImS64* )p_min, (const ImS64* )p_max);
    case ImGuiDataType_U64:    return DataTypeClampT<ImU64 >((ImU64* )p_data, (const ImU64* )p_min, (const ImU64* )p_max);
    case ImGuiDataType_Float:  return DataTypeClampT<float >((float* )p_data, (const float* )p_min, (const float* )p_max);
    case ImGuiDataType_Double: return DataTypeClampT<double>((double*)p_data, (const double*)p_min, (const double*)p_max);
    case ImGuiDataType_COUNT:  break;
    }
    IM_ASSERT(0);
    return false;
}

static float GetMinimumStepAtDecimalPrecision(int decimal_precision)
{
    static const float min_steps[10] = { 1.0f, 0.1f, 0.01f, 0.001f, 0.0001f, 0.00001f, 0.000001f, 0.0000001f, 0.00000001f, 0.000000001f };
    if (decimal_precision < 0)
        return FLT_MIN;
    return (decimal_precision < IM_ARRAYSIZE(min_steps)) ? min_steps[decimal_precision] : ImPow(10.0f, (float)-decimal_precision);
}

template<typename TYPE>
static const char* ImAtoi(const char* src, TYPE* output)
{
    int negative = 0;
    if (*src == '-') { negative = 1; src++; }
    if (*src == '+') { src++; }
    TYPE v = 0;
    while (*src >= '0' && *src <= '9')
        v = (v * 10) + (*src++ - '0');
    *output = negative ? -v : v;
    return src;
}

template<typename TYPE, typename SIGNEDTYPE>
TYPE ImGui::RoundScalarWithFormatT(const char* format, ImGuiDataType data_type, TYPE v)
{
    const char* fmt_start = ImParseFormatFindStart(format);
    if (fmt_start[0] != '%' || fmt_start[1] == '%')             
        return v;
    char v_str[64];
    ImFormatString(v_str, IM_ARRAYSIZE(v_str), fmt_start, v);
    const char* p = v_str;
    while (*p == ' ')
        p++;
    if (data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double)
        v = (TYPE)ImAtof(p);
    else
        ImAtoi(p, (SIGNEDTYPE*)&v);
    return v;
}

template<typename TYPE, typename SIGNEDTYPE, typename FLOATTYPE>
bool ImGui::DragBehaviorT(ImGuiDataType data_type, TYPE* v, float v_speed, const TYPE v_min, const TYPE v_max, const char* format, ImGuiSliderFlags flags)
{
    ImGuiContext& g = *GImGui;
    const ImGuiAxis axis = (flags & ImGuiSliderFlags_Vertical) ? ImGuiAxis_Y : ImGuiAxis_X;
    const bool is_decimal = (data_type == ImGuiDataType_Float) || (data_type == ImGuiDataType_Double);
    const bool is_clamped = (v_min < v_max);
    const bool is_logarithmic = (flags & ImGuiSliderFlags_Logarithmic) && is_decimal;

    if (v_speed == 0.0f && is_clamped && (v_max - v_min < FLT_MAX))
        v_speed = (float)((v_max - v_min) * g.DragSpeedDefaultRatio);

    float adjust_delta = 0.0f;
    if (g.ActiveIdSource == ImGuiInputSource_Mouse && IsMousePosValid() && IsMouseDragPastThreshold(0, g.IO.MouseDragThreshold * DRAG_MOUSE_THRESHOLD_FACTOR))
    {
        adjust_delta = g.IO.MouseDelta[axis];
        if (g.IO.KeyAlt)
            adjust_delta *= 1.0f / 100.0f;
        if (g.IO.KeyShift)
            adjust_delta *= 10.0f;
    }
    else if (g.ActiveIdSource == ImGuiInputSource_Nav)
    {
        int decimal_precision = is_decimal ? ImParseFormatPrecision(format, 3) : 0;
        adjust_delta = GetNavInputAmount2d(ImGuiNavDirSourceFlags_Keyboard | ImGuiNavDirSourceFlags_PadDPad, ImGuiInputReadMode_RepeatFast, 1.0f / 10.0f, 10.0f)[axis];
        v_speed = ImMax(v_speed, GetMinimumStepAtDecimalPrecision(decimal_precision));
    }
    adjust_delta *= v_speed;

    if (axis == ImGuiAxis_Y)
        adjust_delta = -adjust_delta;

    if (is_logarithmic && (v_max - v_min < FLT_MAX) && ((v_max - v_min) > 0.000001f))     
        adjust_delta /= (float)(v_max - v_min);

    bool is_just_activated = g.ActiveIdIsJustActivated;
    bool is_already_past_limits_and_pushing_outward = is_clamped && ((*v >= v_max && adjust_delta > 0.0f) || (*v <= v_min && adjust_delta < 0.0f));
    if (is_just_activated || is_already_past_limits_and_pushing_outward)
    {
        g.DragCurrentAccum = 0.0f;
        g.DragCurrentAccumDirty = false;
    }
    else if (adjust_delta != 0.0f)
    {
        g.DragCurrentAccum += adjust_delta;
        g.DragCurrentAccumDirty = true;
    }

    if (!g.DragCurrentAccumDirty)
        return false;

    TYPE v_cur = *v;
    FLOATTYPE v_old_ref_for_accum_remainder = (FLOATTYPE)0.0f;

    float logarithmic_zero_epsilon = 0.0f;       
    const float zero_deadzone_halfsize = 0.0f;           
    if (is_logarithmic)
    {
        const int decimal_precision = is_decimal ? ImParseFormatPrecision(format, 3) : 1;
        logarithmic_zero_epsilon = ImPow(0.1f, (float)decimal_precision);

        float v_old_parametric = ScaleRatioFromValueT<TYPE, SIGNEDTYPE, FLOATTYPE>(data_type, v_cur, v_min, v_max, is_logarithmic, logarithmic_zero_epsilon, zero_deadzone_halfsize);
        float v_new_parametric = v_old_parametric + g.DragCurrentAccum;
        v_cur = ScaleValueFromRatioT<TYPE, SIGNEDTYPE, FLOATTYPE>(data_type, v_new_parametric, v_min, v_max, is_logarithmic, logarithmic_zero_epsilon, zero_deadzone_halfsize);
        v_old_ref_for_accum_remainder = v_old_parametric;
    }
    else
    {
        v_cur += (SIGNEDTYPE)g.DragCurrentAccum;
    }

    if (!(flags & ImGuiSliderFlags_NoRoundToFormat))
        v_cur = RoundScalarWithFormatT<TYPE, SIGNEDTYPE>(format, data_type, v_cur);

    g.DragCurrentAccumDirty = false;
    if (is_logarithmic)
    {
        float v_new_parametric = ScaleRatioFromValueT<TYPE, SIGNEDTYPE, FLOATTYPE>(data_type, v_cur, v_min, v_max, is_logarithmic, logarithmic_zero_epsilon, zero_deadzone_halfsize);
        g.DragCurrentAccum -= (float)(v_new_parametric - v_old_ref_for_accum_remainder);
    }
    else
    {
        g.DragCurrentAccum -= (float)((SIGNEDTYPE)v_cur - (SIGNEDTYPE)*v);
    }

    if (v_cur == (TYPE)-0)
        v_cur = (TYPE)0;

    if (*v != v_cur && is_clamped)
    {
        if (v_cur < v_min || (v_cur > *v && adjust_delta < 0.0f && !is_decimal))
            v_cur = v_min;
        if (v_cur > v_max || (v_cur < *v && adjust_delta > 0.0f && !is_decimal))
            v_cur = v_max;
    }

    if (*v == v_cur)
        return false;
    *v = v_cur;
    return true;
}

bool ImGui::DragBehavior(ImGuiID id, ImGuiDataType data_type, void* p_v, float v_speed, const void* p_min, const void* p_max, const char* format, ImGuiSliderFlags flags)
{
    IM_ASSERT((flags == 1 || (flags & ImGuiSliderFlags_InvalidMask_) == 0) && "Invalid ImGuiSliderFlags flags! Has the 'float power' argument been mistakenly cast to flags? Call function with ImGuiSliderFlags_Logarithmic flags instead.");

    ImGuiContext& g = *GImGui;
    if (g.ActiveId == id)
    {
        if (g.ActiveIdSource == ImGuiInputSource_Mouse && !g.IO.MouseDown[0])
            ClearActiveID();
        else if (g.ActiveIdSource == ImGuiInputSource_Nav && g.NavActivatePressedId == id && !g.ActiveIdIsJustActivated)
            ClearActiveID();
    }
    if (g.ActiveId != id)
        return false;
    if ((g.CurrentWindow->DC.ItemFlags & ImGuiItemFlags_ReadOnly) || (flags & ImGuiSliderFlags_ReadOnly))
        return false;

    switch (data_type)
    {
    case ImGuiDataType_S8:     { ImS32 v32 = (ImS32)*(ImS8*)p_v;  bool r = DragBehaviorT<ImS32, ImS32, float>(ImGuiDataType_S32, &v32, v_speed, p_min ? *(const ImS8*) p_min : IM_S8_MIN,  p_max ? *(const ImS8*)p_max  : IM_S8_MAX,  format, flags); if (r) *(ImS8*)p_v = (ImS8)v32; return r; }
    case ImGuiDataType_U8:     { ImU32 v32 = (ImU32)*(ImU8*)p_v;  bool r = DragBehaviorT<ImU32, ImS32, float>(ImGuiDataType_U32, &v32, v_speed, p_min ? *(const ImU8*) p_min : IM_U8_MIN,  p_max ? *(const ImU8*)p_max  : IM_U8_MAX,  format, flags); if (r) *(ImU8*)p_v = (ImU8)v32; return r; }
    case ImGuiDataType_S16:    { ImS32 v32 = (ImS32)*(ImS16*)p_v; bool r = DragBehaviorT<ImS32, ImS32, float>(ImGuiDataType_S32, &v32, v_speed, p_min ? *(const ImS16*)p_min : IM_S16_MIN, p_max ? *(const ImS16*)p_max : IM_S16_MAX, format, flags); if (r) *(ImS16*)p_v = (ImS16)v32; return r; }
    case ImGuiDataType_U16:    { ImU32 v32 = (ImU32)*(ImU16*)p_v; bool r = DragBehaviorT<ImU32, ImS32, float>(ImGuiDataType_U32, &v32, v_speed, p_min ? *(const ImU16*)p_min : IM_U16_MIN, p_max ? *(const ImU16*)p_max : IM_U16_MAX, format, flags); if (r) *(ImU16*)p_v = (ImU16)v32; return r; }
    case ImGuiDataType_S32:    return DragBehaviorT<ImS32, ImS32, float >(data_type, (ImS32*)p_v,  v_speed, p_min ? *(const ImS32* )p_min : IM_S32_MIN, p_max ? *(const ImS32* )p_max : IM_S32_MAX, format, flags);
    case ImGuiDataType_U32:    return DragBehaviorT<ImU32, ImS32, float >(data_type, (ImU32*)p_v,  v_speed, p_min ? *(const ImU32* )p_min : IM_U32_MIN, p_max ? *(const ImU32* )p_max : IM_U32_MAX, format, flags);
    case ImGuiDataType_S64:    return DragBehaviorT<ImS64, ImS64, double>(data_type, (ImS64*)p_v,  v_speed, p_min ? *(const ImS64* )p_min : IM_S64_MIN, p_max ? *(const ImS64* )p_max : IM_S64_MAX, format, flags);
    case ImGuiDataType_U64:    return DragBehaviorT<ImU64, ImS64, double>(data_type, (ImU64*)p_v,  v_speed, p_min ? *(const ImU64* )p_min : IM_U64_MIN, p_max ? *(const ImU64* )p_max : IM_U64_MAX, format, flags);
    case ImGuiDataType_Float:  return DragBehaviorT<float, float, float >(data_type, (float*)p_v,  v_speed, p_min ? *(const float* )p_min : -FLT_MAX,   p_max ? *(const float* )p_max : FLT_MAX,    format, flags);
    case ImGuiDataType_Double: return DragBehaviorT<double,double,double>(data_type, (double*)p_v, v_speed, p_min ? *(const double*)p_min : -DBL_MAX,   p_max ? *(const double*)p_max : DBL_MAX,    format, flags);
    case ImGuiDataType_COUNT:  break;
    }
    IM_ASSERT(0);
    return false;
}

bool ImGui::DragScalar(const char* label, ImGuiDataType data_type, void* p_data, float v_speed, const void* p_min, const void* p_max, const char* format, ImGuiSliderFlags flags)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    const ImGuiStyle& style = g.Style;
    const ImGuiID id = window->GetID(label);
    const float w = CalcItemWidth();
    const ImVec2 label_size = CalcTextSize(label, NULL, true);
    const ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(w, label_size.y + style.FramePadding.y * 2.0f));
    const ImRect total_bb(frame_bb.Min, frame_bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0.0f));

    ItemSize(total_bb, style.FramePadding.y);
    if (!ItemAdd(total_bb, id, &frame_bb))
        return false;

    if (format == NULL)
        format = DataTypeGetInfo(data_type)->PrintFmt;
    else if (data_type == ImGuiDataType_S32 && strcmp(format, "%d") != 0)              
        format = PatchFormatStringFloatToInt(format);

    const bool hovered = ItemHoverable(frame_bb, id);
    const bool temp_input_allowed = (flags & ImGuiSliderFlags_NoInput) == 0;
    bool temp_input_is_active = temp_input_allowed && TempInputIsActive(id);
    if (!temp_input_is_active)
    {
        const bool focus_requested = temp_input_allowed && FocusableItemRegister(window, id);
        const bool clicked = (hovered && g.IO.MouseClicked[0]);
        const bool double_clicked = (hovered && g.IO.MouseDoubleClicked[0]);
        if (focus_requested || clicked || double_clicked || g.NavActivateId == id || g.NavInputId == id)
        {
            SetActiveID(id, window);
            SetFocusID(id, window);
            FocusWindow(window);
            g.ActiveIdUsingNavDirMask = (1 << ImGuiDir_Left) | (1 << ImGuiDir_Right);
            if (temp_input_allowed && (focus_requested || (clicked && g.IO.KeyCtrl) || double_clicked || g.NavInputId == id))
            {
                temp_input_is_active = true;
                FocusableItemUnregister(window);
            }
        }
        if (g.IO.ConfigDragClickToInputText && temp_input_allowed && !temp_input_is_active)
            if (g.ActiveId == id && hovered && g.IO.MouseReleased[0] && !IsMouseDragPastThreshold(0, g.IO.MouseDragThreshold * DRAG_MOUSE_THRESHOLD_FACTOR))
            {
                g.NavInputId = id;
                temp_input_is_active = true;
                FocusableItemUnregister(window);
            }
    }

    if (temp_input_is_active)
    {
        const bool is_clamp_input = (flags & ImGuiSliderFlags_AlwaysClamp) != 0 && (p_min == NULL || p_max == NULL || DataTypeCompare(data_type, p_min, p_max) < 0);
        return TempInputScalar(frame_bb, id, label, data_type, p_data, format, is_clamp_input ? p_min : NULL, is_clamp_input ? p_max : NULL);
    }

    const ImU32 frame_col = GetColorU32(g.ActiveId == id ? ImGuiCol_FrameBgActive : g.HoveredId == id ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg);
    RenderNavHighlight(frame_bb, id);
    RenderFrame(frame_bb.Min, frame_bb.Max, frame_col, true, style.FrameRounding);

    const bool value_changed = DragBehavior(id, data_type, p_data, v_speed, p_min, p_max, format, flags);
    if (value_changed)
        MarkItemEdited(id);

    char value_buf[64];
    const char* value_buf_end = value_buf + DataTypeFormatString(value_buf, IM_ARRAYSIZE(value_buf), data_type, p_data, format);
    if (g.LogEnabled)
        LogSetNextTextDecoration("{", "}");
    RenderTextClipped(frame_bb.Min, frame_bb.Max, value_buf, value_buf_end, NULL, ImVec2(0.5f, 0.5f));

    if (label_size.x > 0.0f)
        RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, frame_bb.Min.y + style.FramePadding.y), label);

    window->DrawList->AddLine(ImVec2(frame_bb.Min.x - 1.0f, frame_bb.Min.y), ImVec2(frame_bb.Max.x - 1.0f, frame_bb.Min.y), colWhite, 1.0f);
    window->DrawList->AddLine(ImVec2(frame_bb.Min.x - 1.0f, frame_bb.Min.y), ImVec2(frame_bb.Min.x - 1.0f, frame_bb.Max.y), colWhite, 1.0f);
    window->DrawList->AddLine(ImVec2(frame_bb.Max.x - 1.0f, frame_bb.Min.y), ImVec2(frame_bb.Max.x - 1.0f, frame_bb.Max.y), colBlack, 1.0f);
    window->DrawList->AddLine(ImVec2(frame_bb.Min.x - 1.0f, frame_bb.Max.y), ImVec2(frame_bb.Max.x - 1.0f, frame_bb.Max.y), colBlack, 1.0f);


    IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.ItemFlags);
    return value_changed;
}

bool ImGui::DragScalarN(const char* label, ImGuiDataType data_type, void* p_data, int components, float v_speed, const void* p_min, const void* p_max, const char* format, ImGuiSliderFlags flags)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    bool value_changed = false;
    BeginGroup();
    PushID(label);
    PushMultiItemsWidths(components, CalcItemWidth());
    size_t type_size = GDataTypeInfo[data_type].Size;
    for (int i = 0; i < components; i++)
    {
        PushID(i);
        if (i > 0)
            SameLine(0, g.Style.ItemInnerSpacing.x);
        value_changed |= DragScalar("", data_type, p_data, v_speed, p_min, p_max, format, flags);
        PopID();
        PopItemWidth();
        p_data = (void*)((char*)p_data + type_size);
    }
    PopID();

    const char* label_end = FindRenderedTextEnd(label);
    if (label != label_end)
    {
        SameLine(0, g.Style.ItemInnerSpacing.x);
        TextEx(label, label_end);
    }

    EndGroup();
    return value_changed;
}

bool ImGui::DragFloat(const char* label, float* v, float v_speed, float v_min, float v_max, const char* format, ImGuiSliderFlags flags)
{
    return DragScalar(label, ImGuiDataType_Float, v, v_speed, &v_min, &v_max, format, flags);
}

bool ImGui::DragFloat2(const char* label, float v[2], float v_speed, float v_min, float v_max, const char* format, ImGuiSliderFlags flags)
{
    return DragScalarN(label, ImGuiDataType_Float, v, 2, v_speed, &v_min, &v_max, format, flags);
}

bool ImGui::DragFloat3(const char* label, float v[3], float v_speed, float v_min, float v_max, const char* format, ImGuiSliderFlags flags)
{
    return DragScalarN(label, ImGuiDataType_Float, v, 3, v_speed, &v_min, &v_max, format, flags);
}

bool ImGui::DragFloat4(const char* label, float v[4], float v_speed, float v_min, float v_max, const char* format, ImGuiSliderFlags flags)
{
    return DragScalarN(label, ImGuiDataType_Float, v, 4, v_speed, &v_min, &v_max, format, flags);
}

bool ImGui::DragFloatRange2(const char* label, float* v_current_min, float* v_current_max, float v_speed, float v_min, float v_max, const char* format, const char* format_max, ImGuiSliderFlags flags)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    PushID(label);
    BeginGroup();
    PushMultiItemsWidths(2, CalcItemWidth());

    float min_min = (v_min >= v_max) ? -FLT_MAX : v_min;
    float min_max = (v_min >= v_max) ? *v_current_max : ImMin(v_max, *v_current_max);
    ImGuiSliderFlags min_flags = flags | ((min_min == min_max) ? ImGuiSliderFlags_ReadOnly : 0);
    bool value_changed = DragScalar("##min", ImGuiDataType_Float, v_current_min, v_speed, &min_min, &min_max, format, min_flags);
    PopItemWidth();
    SameLine(0, g.Style.ItemInnerSpacing.x);

    float max_min = (v_min >= v_max) ? *v_current_min : ImMax(v_min, *v_current_min);
    float max_max = (v_min >= v_max) ? FLT_MAX : v_max;
    ImGuiSliderFlags max_flags = flags | ((max_min == max_max) ? ImGuiSliderFlags_ReadOnly : 0);
    value_changed |= DragScalar("##max", ImGuiDataType_Float, v_current_max, v_speed, &max_min, &max_max, format_max ? format_max : format, max_flags);
    PopItemWidth();
    SameLine(0, g.Style.ItemInnerSpacing.x);

    TextEx(label, FindRenderedTextEnd(label));
    EndGroup();
    PopID();
    return value_changed;
}

bool ImGui::DragInt(const char* label, int* v, float v_speed, int v_min, int v_max, const char* format, ImGuiSliderFlags flags)
{
    return DragScalar(label, ImGuiDataType_S32, v, v_speed, &v_min, &v_max, format, flags);
}

bool ImGui::DragInt2(const char* label, int v[2], float v_speed, int v_min, int v_max, const char* format, ImGuiSliderFlags flags)
{
    return DragScalarN(label, ImGuiDataType_S32, v, 2, v_speed, &v_min, &v_max, format, flags);
}

bool ImGui::DragInt3(const char* label, int v[3], float v_speed, int v_min, int v_max, const char* format, ImGuiSliderFlags flags)
{
    return DragScalarN(label, ImGuiDataType_S32, v, 3, v_speed, &v_min, &v_max, format, flags);
}

bool ImGui::DragInt4(const char* label, int v[4], float v_speed, int v_min, int v_max, const char* format, ImGuiSliderFlags flags)
{
    return DragScalarN(label, ImGuiDataType_S32, v, 4, v_speed, &v_min, &v_max, format, flags);
}

bool ImGui::DragIntRange2(const char* label, int* v_current_min, int* v_current_max, float v_speed, int v_min, int v_max, const char* format, const char* format_max, ImGuiSliderFlags flags)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    PushID(label);
    BeginGroup();
    PushMultiItemsWidths(2, CalcItemWidth());

    int min_min = (v_min >= v_max) ? INT_MIN : v_min;
    int min_max = (v_min >= v_max) ? *v_current_max : ImMin(v_max, *v_current_max);
    ImGuiSliderFlags min_flags = flags | ((min_min == min_max) ? ImGuiSliderFlags_ReadOnly : 0);
    bool value_changed = DragInt("##min", v_current_min, v_speed, min_min, min_max, format, min_flags);
    PopItemWidth();
    SameLine(0, g.Style.ItemInnerSpacing.x);

    int max_min = (v_min >= v_max) ? *v_current_min : ImMax(v_min, *v_current_min);
    int max_max = (v_min >= v_max) ? INT_MAX : v_max;
    ImGuiSliderFlags max_flags = flags | ((max_min == max_max) ? ImGuiSliderFlags_ReadOnly : 0);
    value_changed |= DragInt("##max", v_current_max, v_speed, max_min, max_max, format_max ? format_max : format, max_flags);
    PopItemWidth();
    SameLine(0, g.Style.ItemInnerSpacing.x);

    TextEx(label, FindRenderedTextEnd(label));
    EndGroup();
    PopID();

    return value_changed;
}

#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS

bool ImGui::DragScalar(const char* label, ImGuiDataType data_type, void* p_data, float v_speed, const void* p_min, const void* p_max, const char* format, float power)
{
    ImGuiSliderFlags drag_flags = ImGuiSliderFlags_None;
    if (power != 1.0f)
    {
        IM_ASSERT(power == 1.0f && "Call function with ImGuiSliderFlags_Logarithmic flags instead of using the old 'float power' function!");
        IM_ASSERT(p_min != NULL && p_max != NULL);              
        drag_flags |= ImGuiSliderFlags_Logarithmic;       
    }
    return DragScalar(label, data_type, p_data, v_speed, p_min, p_max, format, drag_flags);
}

bool ImGui::DragScalarN(const char* label, ImGuiDataType data_type, void* p_data, int components, float v_speed, const void* p_min, const void* p_max, const char* format, float power)
{
    ImGuiSliderFlags drag_flags = ImGuiSliderFlags_None;
    if (power != 1.0f)
    {
        IM_ASSERT(power == 1.0f && "Call function with ImGuiSliderFlags_Logarithmic flags instead of using the old 'float power' function!");
        IM_ASSERT(p_min != NULL && p_max != NULL);              
        drag_flags |= ImGuiSliderFlags_Logarithmic;       
    }
    return DragScalarN(label, data_type, p_data, components, v_speed, p_min, p_max, format, drag_flags);
}

#endif  

template<typename TYPE, typename SIGNEDTYPE, typename FLOATTYPE>
float ImGui::ScaleRatioFromValueT(ImGuiDataType data_type, TYPE v, TYPE v_min, TYPE v_max, bool is_logarithmic, float logarithmic_zero_epsilon, float zero_deadzone_halfsize)
{
    if (v_min == v_max)
        return 0.0f;
    IM_UNUSED(data_type);

    const TYPE v_clamped = (v_min < v_max) ? ImClamp(v, v_min, v_max) : ImClamp(v, v_max, v_min);
    if (is_logarithmic)
    {
        bool flipped = v_max < v_min;

        if (flipped)         
            ImSwap(v_min, v_max);

        FLOATTYPE v_min_fudged = (ImAbs((FLOATTYPE)v_min) < logarithmic_zero_epsilon) ? ((v_min < 0.0f) ? -logarithmic_zero_epsilon : logarithmic_zero_epsilon) : (FLOATTYPE)v_min;
        FLOATTYPE v_max_fudged = (ImAbs((FLOATTYPE)v_max) < logarithmic_zero_epsilon) ? ((v_max < 0.0f) ? -logarithmic_zero_epsilon : logarithmic_zero_epsilon) : (FLOATTYPE)v_max;

        if ((v_min == 0.0f) && (v_max < 0.0f))
            v_min_fudged = -logarithmic_zero_epsilon;
        else if ((v_max == 0.0f) && (v_min < 0.0f))
            v_max_fudged = -logarithmic_zero_epsilon;

        float result;

        if (v_clamped <= v_min_fudged)
            result = 0.0f;           
        else if (v_clamped >= v_max_fudged)
            result = 1.0f;           
        else if ((v_min * v_max) < 0.0f)         
        {
            float zero_point_center = (-(float)v_min) / ((float)v_max - (float)v_min);                                       
            float zero_point_snap_L = zero_point_center - zero_deadzone_halfsize;
            float zero_point_snap_R = zero_point_center + zero_deadzone_halfsize;
            if (v == 0.0f)
                result = zero_point_center;      
            else if (v < 0.0f)
                result = (1.0f - (float)(ImLog(-(FLOATTYPE)v_clamped / logarithmic_zero_epsilon) / ImLog(-v_min_fudged / logarithmic_zero_epsilon))) * zero_point_snap_L;
            else
                result = zero_point_snap_R + ((float)(ImLog((FLOATTYPE)v_clamped / logarithmic_zero_epsilon) / ImLog(v_max_fudged / logarithmic_zero_epsilon)) * (1.0f - zero_point_snap_R));
        }
        else if ((v_min < 0.0f) || (v_max < 0.0f))    
            result = 1.0f - (float)(ImLog(-(FLOATTYPE)v_clamped / -v_max_fudged) / ImLog(-v_min_fudged / -v_max_fudged));
        else
            result = (float)(ImLog((FLOATTYPE)v_clamped / v_min_fudged) / ImLog(v_max_fudged / v_min_fudged));

        return flipped ? (1.0f - result) : result;
    }

    return (float)((FLOATTYPE)(SIGNEDTYPE)(v_clamped - v_min) / (FLOATTYPE)(SIGNEDTYPE)(v_max - v_min));
}

template<typename TYPE, typename SIGNEDTYPE, typename FLOATTYPE>
TYPE ImGui::ScaleValueFromRatioT(ImGuiDataType data_type, float t, TYPE v_min, TYPE v_max, bool is_logarithmic, float logarithmic_zero_epsilon, float zero_deadzone_halfsize)
{
    if (v_min == v_max)
        return v_min;
    const bool is_decimal = (data_type == ImGuiDataType_Float) || (data_type == ImGuiDataType_Double);

    TYPE result;
    if (is_logarithmic)
    {
        if (t <= 0.0f)
            result = v_min;
        else if (t >= 1.0f)
            result = v_max;
        else
        {
            bool flipped = v_max < v_min;      

            FLOATTYPE v_min_fudged = (ImAbs((FLOATTYPE)v_min) < logarithmic_zero_epsilon) ? ((v_min < 0.0f) ? -logarithmic_zero_epsilon : logarithmic_zero_epsilon) : (FLOATTYPE)v_min;
            FLOATTYPE v_max_fudged = (ImAbs((FLOATTYPE)v_max) < logarithmic_zero_epsilon) ? ((v_max < 0.0f) ? -logarithmic_zero_epsilon : logarithmic_zero_epsilon) : (FLOATTYPE)v_max;

            if (flipped)
                ImSwap(v_min_fudged, v_max_fudged);

            if ((v_max == 0.0f) && (v_min < 0.0f))
                v_max_fudged = -logarithmic_zero_epsilon;

            float t_with_flip = flipped ? (1.0f - t) : t;             

            if ((v_min * v_max) < 0.0f)             
            {
                float zero_point_center = (-(float)ImMin(v_min, v_max)) / ImAbs((float)v_max - (float)v_min);       
                float zero_point_snap_L = zero_point_center - zero_deadzone_halfsize;
                float zero_point_snap_R = zero_point_center + zero_deadzone_halfsize;
                if (t_with_flip >= zero_point_snap_L && t_with_flip <= zero_point_snap_R)
                    result = (TYPE)0.0f;              
                else if (t_with_flip < zero_point_center)
                    result = (TYPE)-(logarithmic_zero_epsilon * ImPow(-v_min_fudged / logarithmic_zero_epsilon, (FLOATTYPE)(1.0f - (t_with_flip / zero_point_snap_L))));
                else
                    result = (TYPE)(logarithmic_zero_epsilon * ImPow(v_max_fudged / logarithmic_zero_epsilon, (FLOATTYPE)((t_with_flip - zero_point_snap_R) / (1.0f - zero_point_snap_R))));
            }
            else if ((v_min < 0.0f) || (v_max < 0.0f))    
                result = (TYPE)-(-v_max_fudged * ImPow(-v_min_fudged / -v_max_fudged, (FLOATTYPE)(1.0f - t_with_flip)));
            else
                result = (TYPE)(v_min_fudged * ImPow(v_max_fudged / v_min_fudged, (FLOATTYPE)t_with_flip));
        }
    }
    else
    {
        if (is_decimal)
        {
            result = ImLerp(v_min, v_max, t);
        }
        else
        {
            if (t < 1.0)
            {
                FLOATTYPE v_new_off_f = (SIGNEDTYPE)(v_max - v_min) * t;
                result = (TYPE)((SIGNEDTYPE)v_min + (SIGNEDTYPE)(v_new_off_f + (FLOATTYPE)(v_min > v_max ? -0.5 : 0.5)));
            }
            else
            {
                result = v_max;
            }
        }
    }

    return result;
}

template<typename TYPE, typename SIGNEDTYPE, typename FLOATTYPE>
bool ImGui::SliderBehaviorT(const ImRect& bb, ImGuiID id, ImGuiDataType data_type, TYPE* v, const TYPE v_min, const TYPE v_max, const char* format, ImGuiSliderFlags flags, ImRect* out_grab_bb)
{
    ImGuiContext& g = *GImGui;
    const ImGuiStyle& style = g.Style;

    const ImGuiAxis axis = (flags & ImGuiSliderFlags_Vertical) ? ImGuiAxis_Y : ImGuiAxis_X;
    const bool is_decimal = (data_type == ImGuiDataType_Float) || (data_type == ImGuiDataType_Double);
    const bool is_logarithmic = (flags & ImGuiSliderFlags_Logarithmic) && is_decimal;

    const float grab_padding = 2.0f;
    const float slider_sz = (bb.Max[axis] - bb.Min[axis]) - grab_padding * 2.0f;
    float grab_sz = style.GrabMinSize;
    SIGNEDTYPE v_range = (v_min < v_max ? v_max - v_min : v_min - v_max);
    if (!is_decimal && v_range >= 0)                                                     
        grab_sz = ImMax((float)(slider_sz / (v_range + 1)), style.GrabMinSize);              
    grab_sz = ImMin(grab_sz, slider_sz);
    const float slider_usable_sz = slider_sz - grab_sz;
    const float slider_usable_pos_min = bb.Min[axis] + grab_padding + grab_sz * 0.5f;
    const float slider_usable_pos_max = bb.Max[axis] - grab_padding - grab_sz * 0.5f;

    float logarithmic_zero_epsilon = 0.0f;       
    float zero_deadzone_halfsize = 0.0f;       
    if (is_logarithmic)
    {
        const int decimal_precision = is_decimal ? ImParseFormatPrecision(format, 3) : 1;
        logarithmic_zero_epsilon = ImPow(0.1f, (float)decimal_precision);
        zero_deadzone_halfsize = (style.LogSliderDeadzone * 0.5f) / ImMax(slider_usable_sz, 1.0f);
    }

    bool value_changed = false;
    if (g.ActiveId == id)
    {
        bool set_new_value = false;
        float clicked_t = 0.0f;
        if (g.ActiveIdSource == ImGuiInputSource_Mouse)
        {
            if (!g.IO.MouseDown[0])
            {
                ClearActiveID();
            }
            else
            {
                const float mouse_abs_pos = g.IO.MousePos[axis];
                clicked_t = (slider_usable_sz > 0.0f) ? ImClamp((mouse_abs_pos - slider_usable_pos_min) / slider_usable_sz, 0.0f, 1.0f) : 0.0f;
                if (axis == ImGuiAxis_Y)
                    clicked_t = 1.0f - clicked_t;
                set_new_value = true;
            }
        }
        else if (g.ActiveIdSource == ImGuiInputSource_Nav)
        {
            if (g.ActiveIdIsJustActivated)
            {
                g.SliderCurrentAccum = 0.0f;        
                g.SliderCurrentAccumDirty = false;
            }

            const ImVec2 input_delta2 = GetNavInputAmount2d(ImGuiNavDirSourceFlags_Keyboard | ImGuiNavDirSourceFlags_PadDPad, ImGuiInputReadMode_RepeatFast, 0.0f, 0.0f);
            float input_delta = (axis == ImGuiAxis_X) ? input_delta2.x : -input_delta2.y;
            if (input_delta != 0.0f)
            {
                const int decimal_precision = is_decimal ? ImParseFormatPrecision(format, 3) : 0;
                if (decimal_precision > 0)
                {
                    input_delta /= 100.0f;            
                    if (IsNavInputDown(ImGuiNavInput_TweakSlow))
                        input_delta /= 10.0f;
                }
                else
                {
                    if ((v_range >= -100.0f && v_range <= 100.0f) || IsNavInputDown(ImGuiNavInput_TweakSlow))
                        input_delta = ((input_delta < 0.0f) ? -1.0f : +1.0f) / (float)v_range;       
                    else
                        input_delta /= 100.0f;
                }
                if (IsNavInputDown(ImGuiNavInput_TweakFast))
                    input_delta *= 10.0f;

                g.SliderCurrentAccum += input_delta;
                g.SliderCurrentAccumDirty = true;
            }

            float delta = g.SliderCurrentAccum;
            if (g.NavActivatePressedId == id && !g.ActiveIdIsJustActivated)
            {
                ClearActiveID();
            }
            else if (g.SliderCurrentAccumDirty)
            {
                clicked_t = ScaleRatioFromValueT<TYPE, SIGNEDTYPE, FLOATTYPE>(data_type, *v, v_min, v_max, is_logarithmic, logarithmic_zero_epsilon, zero_deadzone_halfsize);

                if ((clicked_t >= 1.0f && delta > 0.0f) || (clicked_t <= 0.0f && delta < 0.0f))             
                {
                    set_new_value = false;
                    g.SliderCurrentAccum = 0.0f;           
                }
                else
                {
                    set_new_value = true;
                    float old_clicked_t = clicked_t;
                    clicked_t = ImSaturate(clicked_t + delta);

                    TYPE v_new = ScaleValueFromRatioT<TYPE, SIGNEDTYPE, FLOATTYPE>(data_type, clicked_t, v_min, v_max, is_logarithmic, logarithmic_zero_epsilon, zero_deadzone_halfsize);
                    if (!(flags & ImGuiSliderFlags_NoRoundToFormat))
                        v_new = RoundScalarWithFormatT<TYPE, SIGNEDTYPE>(format, data_type, v_new);
                    float new_clicked_t = ScaleRatioFromValueT<TYPE, SIGNEDTYPE, FLOATTYPE>(data_type, v_new, v_min, v_max, is_logarithmic, logarithmic_zero_epsilon, zero_deadzone_halfsize);

                    if (delta > 0)
                        g.SliderCurrentAccum -= ImMin(new_clicked_t - old_clicked_t, delta);
                    else
                        g.SliderCurrentAccum -= ImMax(new_clicked_t - old_clicked_t, delta);
                }

                g.SliderCurrentAccumDirty = false;
            }
        }

        if (set_new_value)
        {
            TYPE v_new = ScaleValueFromRatioT<TYPE, SIGNEDTYPE, FLOATTYPE>(data_type, clicked_t, v_min, v_max, is_logarithmic, logarithmic_zero_epsilon, zero_deadzone_halfsize);

            if (!(flags & ImGuiSliderFlags_NoRoundToFormat))
                v_new = RoundScalarWithFormatT<TYPE, SIGNEDTYPE>(format, data_type, v_new);

            if (*v != v_new)
            {
                *v = v_new;
                value_changed = true;
            }
        }
    }

    if (slider_sz < 1.0f)
    {
        *out_grab_bb = ImRect(bb.Min, bb.Min);
    }
    else
    {
        float grab_t = ScaleRatioFromValueT<TYPE, SIGNEDTYPE, FLOATTYPE>(data_type, *v, v_min, v_max, is_logarithmic, logarithmic_zero_epsilon, zero_deadzone_halfsize);
        if (axis == ImGuiAxis_Y)
            grab_t = 1.0f - grab_t;
        const float grab_pos = ImLerp(slider_usable_pos_min, slider_usable_pos_max, grab_t);
        if (axis == ImGuiAxis_X)
            *out_grab_bb = ImRect(grab_pos - grab_sz * 0.5f, bb.Min.y + grab_padding, grab_pos + grab_sz * 0.5f, bb.Max.y - grab_padding);
        else
            *out_grab_bb = ImRect(bb.Min.x + grab_padding, grab_pos - grab_sz * 0.5f, bb.Max.x - grab_padding, grab_pos + grab_sz * 0.5f);
    }

    return value_changed;
}

bool ImGui::SliderBehavior(const ImRect& bb, ImGuiID id, ImGuiDataType data_type, void* p_v, const void* p_min, const void* p_max, const char* format, ImGuiSliderFlags flags, ImRect* out_grab_bb)
{
    IM_ASSERT((flags == 1 || (flags & ImGuiSliderFlags_InvalidMask_) == 0) && "Invalid ImGuiSliderFlags flag!  Has the 'float power' argument been mistakenly cast to flags? Call function with ImGuiSliderFlags_Logarithmic flags instead.");

    ImGuiContext& g = *GImGui;
    if ((g.CurrentWindow->DC.ItemFlags & ImGuiItemFlags_ReadOnly) || (flags & ImGuiSliderFlags_ReadOnly))
        return false;

    switch (data_type)
    {
    case ImGuiDataType_S8:  { ImS32 v32 = (ImS32)*(ImS8*)p_v;  bool r = SliderBehaviorT<ImS32, ImS32, float>(bb, id, ImGuiDataType_S32, &v32, *(const ImS8*)p_min,  *(const ImS8*)p_max,  format, flags, out_grab_bb); if (r) *(ImS8*)p_v  = (ImS8)v32;  return r; }
    case ImGuiDataType_U8:  { ImU32 v32 = (ImU32)*(ImU8*)p_v;  bool r = SliderBehaviorT<ImU32, ImS32, float>(bb, id, ImGuiDataType_U32, &v32, *(const ImU8*)p_min,  *(const ImU8*)p_max,  format, flags, out_grab_bb); if (r) *(ImU8*)p_v  = (ImU8)v32;  return r; }
    case ImGuiDataType_S16: { ImS32 v32 = (ImS32)*(ImS16*)p_v; bool r = SliderBehaviorT<ImS32, ImS32, float>(bb, id, ImGuiDataType_S32, &v32, *(const ImS16*)p_min, *(const ImS16*)p_max, format, flags, out_grab_bb); if (r) *(ImS16*)p_v = (ImS16)v32; return r; }
    case ImGuiDataType_U16: { ImU32 v32 = (ImU32)*(ImU16*)p_v; bool r = SliderBehaviorT<ImU32, ImS32, float>(bb, id, ImGuiDataType_U32, &v32, *(const ImU16*)p_min, *(const ImU16*)p_max, format, flags, out_grab_bb); if (r) *(ImU16*)p_v = (ImU16)v32; return r; }
    case ImGuiDataType_S32:
        IM_ASSERT(*(const ImS32*)p_min >= IM_S32_MIN / 2 && *(const ImS32*)p_max <= IM_S32_MAX / 2);
        return SliderBehaviorT<ImS32, ImS32, float >(bb, id, data_type, (ImS32*)p_v,  *(const ImS32*)p_min,  *(const ImS32*)p_max,  format, flags, out_grab_bb);
    case ImGuiDataType_U32:
        IM_ASSERT(*(const ImU32*)p_max <= IM_U32_MAX / 2);
        return SliderBehaviorT<ImU32, ImS32, float >(bb, id, data_type, (ImU32*)p_v,  *(const ImU32*)p_min,  *(const ImU32*)p_max,  format, flags, out_grab_bb);
    case ImGuiDataType_S64:
        IM_ASSERT(*(const ImS64*)p_min >= IM_S64_MIN / 2 && *(const ImS64*)p_max <= IM_S64_MAX / 2);
        return SliderBehaviorT<ImS64, ImS64, double>(bb, id, data_type, (ImS64*)p_v,  *(const ImS64*)p_min,  *(const ImS64*)p_max,  format, flags, out_grab_bb);
    case ImGuiDataType_U64:
        IM_ASSERT(*(const ImU64*)p_max <= IM_U64_MAX / 2);
        return SliderBehaviorT<ImU64, ImS64, double>(bb, id, data_type, (ImU64*)p_v,  *(const ImU64*)p_min,  *(const ImU64*)p_max,  format, flags, out_grab_bb);
    case ImGuiDataType_Float:
        IM_ASSERT(*(const float*)p_min >= -FLT_MAX / 2.0f && *(const float*)p_max <= FLT_MAX / 2.0f);
        return SliderBehaviorT<float, float, float >(bb, id, data_type, (float*)p_v,  *(const float*)p_min,  *(const float*)p_max,  format, flags, out_grab_bb);
    case ImGuiDataType_Double:
        IM_ASSERT(*(const double*)p_min >= -DBL_MAX / 2.0f && *(const double*)p_max <= DBL_MAX / 2.0f);
        return SliderBehaviorT<double, double, double>(bb, id, data_type, (double*)p_v, *(const double*)p_min, *(const double*)p_max, format, flags, out_grab_bb);
    case ImGuiDataType_COUNT: break;
    }
    IM_ASSERT(0);
    return false;
}

bool ImGui::SliderScalar(const char* label, ImGuiDataType data_type, void* p_data, const void* p_min, const void* p_max, const char* format, ImGuiSliderFlags flags)
{
    InvisibleButton("##0", ImVec2(0, 0));

    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    const ImGuiStyle& style = g.Style;
    const ImGuiID id = window->GetID(label);
    const float w = CalcItemWidth();

    const ImVec2 label_size = CalcTextSize(label, NULL, true);
     ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(w, label_size.y + style.FramePadding.y * 2.0f));
     frame_bb.Max -= ImVec2(style.ItemInnerSpacing.x + 30.0f, 7.0f);
    ImRect total_bb(frame_bb.Min + ImVec2(0,20.0f), frame_bb.Max + ImVec2(0, 30.0f));
    frame_bb.Min -= ImVec2(0, 7.0f);
    
    total_bb.Min += ImVec2(0, 10.0f);

    ItemSize(total_bb, style.FramePadding.y);
    if (!ItemAdd(total_bb, id, &frame_bb))
        return false;

    if (format == NULL)
        format = DataTypeGetInfo(data_type)->PrintFmt;
    else if (data_type == ImGuiDataType_S32 && strcmp(format, "%d") != 0)              
        format = PatchFormatStringFloatToInt(format);

    const bool hovered = ItemHoverable(frame_bb, id);
    const bool temp_input_allowed = (flags & ImGuiSliderFlags_NoInput) == 0;
    bool temp_input_is_active = temp_input_allowed && TempInputIsActive(id);
    if (!temp_input_is_active)
    {
        const bool focus_requested = temp_input_allowed && FocusableItemRegister(window, id);
        const bool clicked = (hovered && g.IO.MouseClicked[0]);
        if (focus_requested || clicked || g.NavActivateId == id || g.NavInputId == id)
        {
            SetActiveID(id, window);
            SetFocusID(id, window);
            FocusWindow(window);
            g.ActiveIdUsingNavDirMask |= (1 << ImGuiDir_Left) | (1 << ImGuiDir_Right);
            if (temp_input_allowed && (focus_requested || (clicked && g.IO.KeyCtrl) || g.NavInputId == id))
            {
                temp_input_is_active = true;
                FocusableItemUnregister(window);
            }
        }
    }

    if (temp_input_is_active)
    {
        const bool is_clamp_input = (flags & ImGuiSliderFlags_AlwaysClamp) != 0;
        return TempInputScalar(frame_bb, id, label, data_type, p_data, format, is_clamp_input ? p_min : NULL, is_clamp_input ? p_max : NULL);
    }

    const ImU32 frame_col = GetColorU32(g.ActiveId == id ? ImGuiCol_FrameBgActive : g.HoveredId == id ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg);
    RenderNavHighlight(frame_bb, id);

    ImVec2 tempmin = frame_bb.Min + ImVec2(0, 9.0f);
    ImVec2 tempmax = frame_bb.Max - ImVec2(0, 9.0f);

    RenderFrame(tempmin, tempmax, frame_col, true, g.Style.FrameRounding);
    window->DrawList->AddLine(ImVec2(tempmin.x - 1.0f, tempmin.y - 1.0f), ImVec2(tempmax.x - 1.0f, tempmin.y - 1.0f), colBlack, 1.0f);
    window->DrawList->AddLine(ImVec2(tempmin.x - 1.0f, tempmin.y - 1.0f), ImVec2(tempmin.x - 1.0f, tempmax.y ), colBlack, 1.0f);
    window->DrawList->AddLine(ImVec2(tempmax.x - 1.0f, tempmin.y - 1.0f), ImVec2(tempmax.x - 1.0f, tempmax.y), colWhite, 1.0f);
    window->DrawList->AddLine(ImVec2(tempmin.x - 1.0f, tempmax.y), ImVec2(tempmax.x - 1.0f, tempmax.y), colWhite, 1.0f);
    
   

    ImRect grab_bb;
    const bool value_changed = SliderBehavior(frame_bb, id, data_type, p_data, p_min, p_max, format, flags, &grab_bb);
    if (value_changed)
        MarkItemEdited(id);


    tempmin.x += 1.0f; tempmax.x -= 2.0f;
    tempmin.x += (grab_bb.Max.x - grab_bb.Min.x)/2;
    tempmax.x -= (grab_bb.Max.x - grab_bb.Min.x)/2;

    for (int i = 0; i < 11; i++)
        window->DrawList->AddLine(ImVec2(tempmin.x + (i * (tempmax.x - tempmin.x) / 10) - 1.0f, tempmax.y + 4.0f), ImVec2(tempmin.x + (i * (tempmax.x - tempmin.x) / 10) - 1.0f, tempmax.y + 9.0f), 0xFFD9D9D9, 1.0f); 


    if (grab_bb.Max.x > grab_bb.Min.x) {
        grab_bb.Min.x += 1.0f; grab_bb.Max.x -= 2.0f;
        grab_bb.Min.y += 1.0f; grab_bb.Max.y -= 1.0f;

        window->DrawList->AddRectFilled(grab_bb.Min, grab_bb.Max, GetColorU32(g.ActiveId == id ? ImGuiCol_SliderGrabActive : ImGuiCol_SliderGrab), style.GrabRounding);
        window->DrawList->AddLine(ImVec2(grab_bb.Min.x - 1.0f, grab_bb.Min.y - 1.0f), ImVec2(grab_bb.Max.x - 1.0f, grab_bb.Min.y - 1.0f), colBlack, 1.0f);
        window->DrawList->AddLine(ImVec2(grab_bb.Min.x - 1.0f, grab_bb.Min.y - 1.0f), ImVec2(grab_bb.Min.x - 1.0f, grab_bb.Max.y), colBlack, 1.0f);
        window->DrawList->AddLine(ImVec2(grab_bb.Max.x - 1.0f, grab_bb.Min.y - 1.0f), ImVec2(grab_bb.Max.x - 1.0f, grab_bb.Max.y), colWhite, 1.0f);
        window->DrawList->AddLine(ImVec2(grab_bb.Min.x - 1.0f, grab_bb.Max.y), ImVec2(grab_bb.Max.x - 1.0f, grab_bb.Max.y), colWhite, 1.0f);
    }

    char value_buf[64];
    const char* value_buf_end = value_buf + DataTypeFormatString(value_buf, IM_ARRAYSIZE(value_buf), data_type, p_data, format);
    if (g.LogEnabled)
        LogSetNextTextDecoration("{", "}");
    
    RenderTextClipped(frame_bb.Min + ImVec2(frame_bb.Max.x - frame_bb.Min.x, 0), frame_bb.Max + ImVec2(45.0f, 0), value_buf, value_buf_end, NULL, ImVec2(0.5f, 0.5f));

    if (label_size.x > 0.0f)     
    {
            RenderText(ImVec2(frame_bb.Min.x, frame_bb.Min.y + style.FramePadding.y - 20.0f), label);  
    }

    IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.ItemFlags);
    return value_changed;
}

bool ImGui::SliderScalarN(const char* label, ImGuiDataType data_type, void* v, int components, const void* v_min, const void* v_max, const char* format, ImGuiSliderFlags flags)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    bool value_changed = false;
    BeginGroup();
    PushID(label);
    PushMultiItemsWidths(components, CalcItemWidth());
    size_t type_size = GDataTypeInfo[data_type].Size;
    for (int i = 0; i < components; i++)
    {
        PushID(i);
        if (i > 0)
            SameLine(0, g.Style.ItemInnerSpacing.x);
        value_changed |= SliderScalar("", data_type, v, v_min, v_max, format, flags);
        PopID();
        PopItemWidth();
        v = (void*)((char*)v + type_size);
    }
    PopID();

    const char* label_end = FindRenderedTextEnd(label);
    if (label != label_end)
    {
        SameLine(0, g.Style.ItemInnerSpacing.x);
        TextEx(label, label_end);
    }

    EndGroup();
    return value_changed;
}

bool ImGui::SliderFloat(const char* label, float* v, float v_min, float v_max, const char* format, ImGuiSliderFlags flags)
{
    return SliderScalar(label, ImGuiDataType_Float, v, &v_min, &v_max, format, flags);
}

bool ImGui::SliderFloat2(const char* label, float v[2], float v_min, float v_max, const char* format, ImGuiSliderFlags flags)
{
    return SliderScalarN(label, ImGuiDataType_Float, v, 2, &v_min, &v_max, format, flags);
}

bool ImGui::SliderFloat3(const char* label, float v[3], float v_min, float v_max, const char* format, ImGuiSliderFlags flags)
{
    return SliderScalarN(label, ImGuiDataType_Float, v, 3, &v_min, &v_max, format, flags);
}

bool ImGui::SliderFloat4(const char* label, float v[4], float v_min, float v_max, const char* format, ImGuiSliderFlags flags)
{
    return SliderScalarN(label, ImGuiDataType_Float, v, 4, &v_min, &v_max, format, flags);
}

bool ImGui::SliderAngle(const char* label, float* v_rad, float v_degrees_min, float v_degrees_max, const char* format, ImGuiSliderFlags flags)
{
    if (format == NULL)
        format = "%.0f deg";
    float v_deg = (*v_rad) * 360.0f / (2 * IM_PI);
    bool value_changed = SliderFloat(label, &v_deg, v_degrees_min, v_degrees_max, format, flags);
    *v_rad = v_deg * (2 * IM_PI) / 360.0f;
    return value_changed;
}

bool ImGui::SliderInt(const char* label, int* v, int v_min, int v_max, const char* format, ImGuiSliderFlags flags)
{
    return SliderScalar(label, ImGuiDataType_S32, v, &v_min, &v_max, format, flags);
}

bool ImGui::SliderInt2(const char* label, int v[2], int v_min, int v_max, const char* format, ImGuiSliderFlags flags)
{
    return SliderScalarN(label, ImGuiDataType_S32, v, 2, &v_min, &v_max, format, flags);
}

bool ImGui::SliderInt3(const char* label, int v[3], int v_min, int v_max, const char* format, ImGuiSliderFlags flags)
{
    return SliderScalarN(label, ImGuiDataType_S32, v, 3, &v_min, &v_max, format, flags);
}

bool ImGui::SliderInt4(const char* label, int v[4], int v_min, int v_max, const char* format, ImGuiSliderFlags flags)
{
    return SliderScalarN(label, ImGuiDataType_S32, v, 4, &v_min, &v_max, format, flags);
}

bool ImGui::VSliderScalar(const char* label, const ImVec2& size, ImGuiDataType data_type, void* p_data, const void* p_min, const void* p_max, const char* format, ImGuiSliderFlags flags)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    const ImGuiStyle& style = g.Style;
    const ImGuiID id = window->GetID(label);

    const ImVec2 label_size = CalcTextSize(label, NULL, true);
    const ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + size);
    const ImRect bb(frame_bb.Min, frame_bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0.0f));

    ItemSize(bb, style.FramePadding.y);
    if (!ItemAdd(frame_bb, id))
        return false;

    if (format == NULL)
        format = DataTypeGetInfo(data_type)->PrintFmt;
    else if (data_type == ImGuiDataType_S32 && strcmp(format, "%d") != 0)              
        format = PatchFormatStringFloatToInt(format);

    const bool hovered = ItemHoverable(frame_bb, id);
    if ((hovered && g.IO.MouseClicked[0]) || g.NavActivateId == id || g.NavInputId == id)
    {
        SetActiveID(id, window);
        SetFocusID(id, window);
        FocusWindow(window);
        g.ActiveIdUsingNavDirMask |= (1 << ImGuiDir_Up) | (1 << ImGuiDir_Down);
    }

    const ImU32 frame_col = GetColorU32(g.ActiveId == id ? ImGuiCol_FrameBgActive : g.HoveredId == id ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg);
    RenderNavHighlight(frame_bb, id);
    RenderFrame(frame_bb.Min, frame_bb.Max, frame_col, true, g.Style.FrameRounding);

    ImRect grab_bb;
    const bool value_changed = SliderBehavior(frame_bb, id, data_type, p_data, p_min, p_max, format, flags | ImGuiSliderFlags_Vertical, &grab_bb);
    if (value_changed)
        MarkItemEdited(id);

    if (grab_bb.Max.y > grab_bb.Min.y)
        window->DrawList->AddRectFilled(grab_bb.Min, grab_bb.Max, GetColorU32(g.ActiveId == id ? ImGuiCol_SliderGrabActive : ImGuiCol_SliderGrab), style.GrabRounding);

    char value_buf[64];
    const char* value_buf_end = value_buf + DataTypeFormatString(value_buf, IM_ARRAYSIZE(value_buf), data_type, p_data, format);
    RenderTextClipped(ImVec2(frame_bb.Min.x, frame_bb.Min.y + style.FramePadding.y), frame_bb.Max, value_buf, value_buf_end, NULL, ImVec2(0.5f, 0.0f));
    if (label_size.x > 0.0f)
        RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, frame_bb.Min.y + style.FramePadding.y), label);

    return value_changed;
}

bool ImGui::VSliderFloat(const char* label, const ImVec2& size, float* v, float v_min, float v_max, const char* format, ImGuiSliderFlags flags)
{
    return VSliderScalar(label, size, ImGuiDataType_Float, v, &v_min, &v_max, format, flags);
}

bool ImGui::VSliderInt(const char* label, const ImVec2& size, int* v, int v_min, int v_max, const char* format, ImGuiSliderFlags flags)
{
    return VSliderScalar(label, size, ImGuiDataType_S32, v, &v_min, &v_max, format, flags);
}

#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS

bool ImGui::SliderScalar(const char* label, ImGuiDataType data_type, void* p_data, const void* p_min, const void* p_max, const char* format, float power)
{
    ImGuiSliderFlags slider_flags = ImGuiSliderFlags_None;
    if (power != 1.0f)
    {
        IM_ASSERT(power == 1.0f && "Call function with ImGuiSliderFlags_Logarithmic flags instead of using the old 'float power' function!");
        slider_flags |= ImGuiSliderFlags_Logarithmic;       
    }
    return SliderScalar(label, data_type, p_data, p_min, p_max, format, slider_flags);
}

bool ImGui::SliderScalarN(const char* label, ImGuiDataType data_type, void* v, int components, const void* v_min, const void* v_max, const char* format, float power)
{
    ImGuiSliderFlags slider_flags = ImGuiSliderFlags_None;
    if (power != 1.0f)
    {
        IM_ASSERT(power == 1.0f && "Call function with ImGuiSliderFlags_Logarithmic flags instead of using the old 'float power' function!");
        slider_flags |= ImGuiSliderFlags_Logarithmic;       
    }
    return SliderScalarN(label, data_type, v, components, v_min, v_max, format, slider_flags);
}

#endif  

const char* ImParseFormatFindStart(const char* fmt)
{
    while (char c = fmt[0])
    {
        if (c == '%' && fmt[1] != '%')
            return fmt;
        else if (c == '%')
            fmt++;
        fmt++;
    }
    return fmt;
}

const char* ImParseFormatFindEnd(const char* fmt)
{
    if (fmt[0] != '%')
        return fmt;
    const unsigned int ignored_uppercase_mask = (1 << ('I'-'A')) | (1 << ('L'-'A'));
    const unsigned int ignored_lowercase_mask = (1 << ('h'-'a')) | (1 << ('j'-'a')) | (1 << ('l'-'a')) | (1 << ('t'-'a')) | (1 << ('w'-'a')) | (1 << ('z'-'a'));
    for (char c; (c = *fmt) != 0; fmt++)
    {
        if (c >= 'A' && c <= 'Z' && ((1 << (c - 'A')) & ignored_uppercase_mask) == 0)
            return fmt + 1;
        if (c >= 'a' && c <= 'z' && ((1 << (c - 'a')) & ignored_lowercase_mask) == 0)
            return fmt + 1;
    }
    return fmt;
}

const char* ImParseFormatTrimDecorations(const char* fmt, char* buf, size_t buf_size)
{
    const char* fmt_start = ImParseFormatFindStart(fmt);
    if (fmt_start[0] != '%')
        return fmt;
    const char* fmt_end = ImParseFormatFindEnd(fmt_start);
    if (fmt_end[0] == 0)              
        return fmt_start;
    ImStrncpy(buf, fmt_start, ImMin((size_t)(fmt_end - fmt_start) + 1, buf_size));
    return buf;
}

int ImParseFormatPrecision(const char* fmt, int default_precision)
{
    fmt = ImParseFormatFindStart(fmt);
    if (fmt[0] != '%')
        return default_precision;
    fmt++;
    while (*fmt >= '0' && *fmt <= '9')
        fmt++;
    int precision = INT_MAX;
    if (*fmt == '.')
    {
        fmt = ImAtoi<int>(fmt + 1, &precision);
        if (precision < 0 || precision > 99)
            precision = default_precision;
    }
    if (*fmt == 'e' || *fmt == 'E')      
        precision = -1;
    if ((*fmt == 'g' || *fmt == 'G') && precision == INT_MAX)
        precision = -1;
    return (precision == INT_MAX) ? default_precision : precision;
}

bool ImGui::TempInputText(const ImRect& bb, ImGuiID id, const char* label, char* buf, int buf_size, ImGuiInputTextFlags flags)
{
    ImGuiContext& g = *GImGui;
    const bool init = (g.TempInputId != id);
    if (init)
        ClearActiveID();

    g.CurrentWindow->DC.CursorPos = bb.Min;
    bool value_changed = InputTextEx(label, NULL, buf, buf_size, bb.GetSize(), flags);
    if (init)
    {
        IM_ASSERT(g.ActiveId == id);
        g.TempInputId = g.ActiveId;
    }
    return value_changed;
}

bool ImGui::TempInputScalar(const ImRect& bb, ImGuiID id, const char* label, ImGuiDataType data_type, void* p_data, const char* format, const void* p_clamp_min, const void* p_clamp_max)
{
    ImGuiContext& g = *GImGui;

    char fmt_buf[32];
    char data_buf[32];
    format = ImParseFormatTrimDecorations(format, fmt_buf, IM_ARRAYSIZE(fmt_buf));
    DataTypeFormatString(data_buf, IM_ARRAYSIZE(data_buf), data_type, p_data, format);
    ImStrTrimBlanks(data_buf);

    ImGuiInputTextFlags flags = ImGuiInputTextFlags_AutoSelectAll | ImGuiInputTextFlags_NoMarkEdited;
    flags |= ((data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double) ? ImGuiInputTextFlags_CharsScientific : ImGuiInputTextFlags_CharsDecimal);
    bool value_changed = false;
    if (TempInputText(bb, id, label, data_buf, IM_ARRAYSIZE(data_buf), flags))
    {
        size_t data_type_size = DataTypeGetInfo(data_type)->Size;
        ImGuiDataTypeTempStorage data_backup;
        memcpy(&data_backup, p_data, data_type_size);

        DataTypeApplyOpFromText(data_buf, g.InputTextState.InitialTextA.Data, data_type, p_data, NULL);
        if (p_clamp_min || p_clamp_max)
        {
            if (DataTypeCompare(data_type, p_clamp_min, p_clamp_max) > 0)
                ImSwap(p_clamp_min, p_clamp_max);
            DataTypeClamp(data_type, p_data, p_clamp_min, p_clamp_max);
        }

        value_changed = memcmp(&data_backup, p_data, data_type_size) != 0;
        if (value_changed)
            MarkItemEdited(id);
    }
    return value_changed;
}

bool ImGui::InputScalar(const char* label, ImGuiDataType data_type, void* p_data, const void* p_step, const void* p_step_fast, const char* format, ImGuiInputTextFlags flags)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    ImGuiStyle& style = g.Style;

    if (format == NULL)
        format = DataTypeGetInfo(data_type)->PrintFmt;

    char buf[64];
    DataTypeFormatString(buf, IM_ARRAYSIZE(buf), data_type, p_data, format);

    bool value_changed = false;
    if ((flags & (ImGuiInputTextFlags_CharsHexadecimal | ImGuiInputTextFlags_CharsScientific)) == 0)
        flags |= ImGuiInputTextFlags_CharsDecimal;
    flags |= ImGuiInputTextFlags_AutoSelectAll;
    flags |= ImGuiInputTextFlags_NoMarkEdited;               

    if (p_step != NULL)
    {
        const float button_size = GetFrameHeight();

        BeginGroup();                   
        PushID(label);
        SetNextItemWidth(ImMax(1.0f, CalcItemWidth() - (button_size + style.ItemInnerSpacing.x) * 2));
        if (InputText("", buf, IM_ARRAYSIZE(buf), flags))              
            value_changed = DataTypeApplyOpFromText(buf, g.InputTextState.InitialTextA.Data, data_type, p_data, format);

        const ImVec2 backup_frame_padding = style.FramePadding;
        style.FramePadding.x = style.FramePadding.y;
        ImGuiButtonFlags button_flags = ImGuiButtonFlags_Repeat | ImGuiButtonFlags_DontClosePopups;
        if (flags & ImGuiInputTextFlags_ReadOnly)
            button_flags |= ImGuiButtonFlags_Disabled;
        SameLine(0, style.ItemInnerSpacing.x);
        if (ButtonEx("-", ImVec2(button_size, button_size), button_flags))
        {
            DataTypeApplyOp(data_type, '-', p_data, p_data, g.IO.KeyCtrl && p_step_fast ? p_step_fast : p_step);
            value_changed = true;
        }
        SameLine(0, style.ItemInnerSpacing.x);
        if (ButtonEx("+", ImVec2(button_size, button_size), button_flags))
        {
            DataTypeApplyOp(data_type, '+', p_data, p_data, g.IO.KeyCtrl && p_step_fast ? p_step_fast : p_step);
            value_changed = true;
        }

        const char* label_end = FindRenderedTextEnd(label);


        if (label != label_end)
        {
            SameLine(0, style.ItemInnerSpacing.x);
            TextEx(label, label_end);
        }
        style.FramePadding = backup_frame_padding;

        PopID();
        EndGroup();
    }
    else
    {
        if (InputText(label, buf, IM_ARRAYSIZE(buf), flags))
            value_changed = DataTypeApplyOpFromText(buf, g.InputTextState.InitialTextA.Data, data_type, p_data, format);
    }
    if (value_changed)
        MarkItemEdited(window->DC.LastItemId);

    return value_changed;
}

bool ImGui::InputScalarN(const char* label, ImGuiDataType data_type, void* p_data, int components, const void* p_step, const void* p_step_fast, const char* format, ImGuiInputTextFlags flags)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    bool value_changed = false;
    BeginGroup();
    PushID(label);
    PushMultiItemsWidths(components, CalcItemWidth());
    size_t type_size = GDataTypeInfo[data_type].Size;
    for (int i = 0; i < components; i++)
    {
        PushID(i);
        if (i > 0)
            SameLine(0, g.Style.ItemInnerSpacing.x);
        value_changed |= InputScalar("", data_type, p_data, p_step, p_step_fast, format, flags);
        PopID();
        PopItemWidth();
        p_data = (void*)((char*)p_data + type_size);
    }
    PopID();

    const char* label_end = FindRenderedTextEnd(label);
    if (label != label_end)
    {
        SameLine(0.0f, g.Style.ItemInnerSpacing.x);
        TextEx(label, label_end);
    }

    EndGroup();
    return value_changed;
}

bool ImGui::InputFloat(const char* label, float* v, float step, float step_fast, const char* format, ImGuiInputTextFlags flags)
{
    flags |= ImGuiInputTextFlags_CharsScientific;
    return InputScalar(label, ImGuiDataType_Float, (void*)v, (void*)(step > 0.0f ? &step : NULL), (void*)(step_fast > 0.0f ? &step_fast : NULL), format, flags);
}

bool ImGui::InputFloat2(const char* label, float v[2], const char* format, ImGuiInputTextFlags flags)
{
    return InputScalarN(label, ImGuiDataType_Float, v, 2, NULL, NULL, format, flags);
}

bool ImGui::InputFloat3(const char* label, float v[3], const char* format, ImGuiInputTextFlags flags)
{
    return InputScalarN(label, ImGuiDataType_Float, v, 3, NULL, NULL, format, flags);
}

bool ImGui::InputFloat4(const char* label, float v[4], const char* format, ImGuiInputTextFlags flags)
{
    return InputScalarN(label, ImGuiDataType_Float, v, 4, NULL, NULL, format, flags);
}

bool ImGui::InputInt(const char* label, int* v, int step, int step_fast, ImGuiInputTextFlags flags)
{
    const char* format = (flags & ImGuiInputTextFlags_CharsHexadecimal) ? "%08X" : "%d";
    return InputScalar(label, ImGuiDataType_S32, (void*)v, (void*)(step > 0 ? &step : NULL), (void*)(step_fast > 0 ? &step_fast : NULL), format, flags);
}

bool ImGui::InputInt2(const char* label, int v[2], ImGuiInputTextFlags flags)
{
    return InputScalarN(label, ImGuiDataType_S32, v, 2, NULL, NULL, "%d", flags);
}

bool ImGui::InputInt3(const char* label, int v[3], ImGuiInputTextFlags flags)
{
    return InputScalarN(label, ImGuiDataType_S32, v, 3, NULL, NULL, "%d", flags);
}

bool ImGui::InputInt4(const char* label, int v[4], ImGuiInputTextFlags flags)
{
    return InputScalarN(label, ImGuiDataType_S32, v, 4, NULL, NULL, "%d", flags);
}

bool ImGui::InputDouble(const char* label, double* v, double step, double step_fast, const char* format, ImGuiInputTextFlags flags)
{
    flags |= ImGuiInputTextFlags_CharsScientific;
    return InputScalar(label, ImGuiDataType_Double, (void*)v, (void*)(step > 0.0 ? &step : NULL), (void*)(step_fast > 0.0 ? &step_fast : NULL), format, flags);
}

bool ImGui::InputText(const char* label, char* buf, size_t buf_size, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data)
{ 
    IM_ASSERT(!(flags & ImGuiInputTextFlags_Multiline));   
    return InputTextEx(label, NULL, buf, (int)buf_size, ImVec2(0, 0), flags, callback, user_data);
}

bool ImGui::InputTextMultiline(const char* label, char* buf, size_t buf_size, const ImVec2& size, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data)
{
    return InputTextEx(label, NULL, buf, (int)buf_size, size, flags | ImGuiInputTextFlags_Multiline, callback, user_data);
}

bool ImGui::InputTextWithHint(const char* label, const char* hint, char* buf, size_t buf_size, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data)
{
    IM_ASSERT(!(flags & ImGuiInputTextFlags_Multiline));   
    return InputTextEx(label, hint, buf, (int)buf_size, ImVec2(0, 0), flags, callback, user_data);
}

static int InputTextCalcTextLenAndLineCount(const char* text_begin, const char** out_text_end)
{
    int line_count = 0;
    const char* s = text_begin;
    while (char c = *s++)             
        if (c == '\n')
            line_count++;
    s--;
    if (s[0] != '\n' && s[0] != '\r')
        line_count++;
    *out_text_end = s;
    return line_count;
}

static ImVec2 InputTextCalcTextSizeW(const ImWchar* text_begin, const ImWchar* text_end, const ImWchar** remaining, ImVec2* out_offset, bool stop_on_new_line)
{
    ImGuiContext& g = *GImGui;
    ImFont* font = g.Font;
    const float line_height = g.FontSize;
    const float scale = line_height / font->FontSize;

    ImVec2 text_size = ImVec2(0, 0);
    float line_width = 0.0f;

    const ImWchar* s = text_begin;
    while (s < text_end)
    {
        unsigned int c = (unsigned int)(*s++);
        if (c == '\n')
        {
            text_size.x = ImMax(text_size.x, line_width);
            text_size.y += line_height;
            line_width = 0.0f;
            if (stop_on_new_line)
                break;
            continue;
        }
        if (c == '\r')
            continue;

        const float char_width = font->GetCharAdvance((ImWchar)c) * scale;
        line_width += char_width;
    }

    if (text_size.x < line_width)
        text_size.x = line_width;

    if (out_offset)
        *out_offset = ImVec2(line_width, text_size.y + line_height);             

    if (line_width > 0 || text_size.y == 0.0f)                               
        text_size.y += line_height;

    if (remaining)
        *remaining = s;

    return text_size;
}

namespace ImStb
{

static int     STB_TEXTEDIT_STRINGLEN(const STB_TEXTEDIT_STRING* obj)                             { return obj->CurLenW; }
static ImWchar STB_TEXTEDIT_GETCHAR(const STB_TEXTEDIT_STRING* obj, int idx)                      { return obj->TextW[idx]; }
static float   STB_TEXTEDIT_GETWIDTH(STB_TEXTEDIT_STRING* obj, int line_start_idx, int char_idx)  { ImWchar c = obj->TextW[line_start_idx + char_idx]; if (c == '\n') return STB_TEXTEDIT_GETWIDTH_NEWLINE; ImGuiContext& g = *GImGui; return g.Font->GetCharAdvance(c) * (g.FontSize / g.Font->FontSize); }
static int     STB_TEXTEDIT_KEYTOTEXT(int key)                                                    { return key >= 0x200000 ? 0 : key; }
static ImWchar STB_TEXTEDIT_NEWLINE = '\n';
static void    STB_TEXTEDIT_LAYOUTROW(StbTexteditRow* r, STB_TEXTEDIT_STRING* obj, int line_start_idx)
{
    const ImWchar* text = obj->TextW.Data;
    const ImWchar* text_remaining = NULL;
    const ImVec2 size = InputTextCalcTextSizeW(text + line_start_idx, text + obj->CurLenW, &text_remaining, NULL, true);
    r->x0 = 0.0f;
    r->x1 = size.x;
    r->baseline_y_delta = size.y;
    r->ymin = 0.0f;
    r->ymax = size.y;
    r->num_chars = (int)(text_remaining - (text + line_start_idx));
}

static bool is_separator(unsigned int c)                                        { return ImCharIsBlankW(c) || c==',' || c==';' || c=='(' || c==')' || c=='{' || c=='}' || c=='[' || c==']' || c=='|'; }
static int  is_word_boundary_from_right(STB_TEXTEDIT_STRING* obj, int idx)      { return idx > 0 ? (is_separator(obj->TextW[idx - 1]) && !is_separator(obj->TextW[idx]) ) : 1; }
static int  STB_TEXTEDIT_MOVEWORDLEFT_IMPL(STB_TEXTEDIT_STRING* obj, int idx)   { idx--; while (idx >= 0 && !is_word_boundary_from_right(obj, idx)) idx--; return idx < 0 ? 0 : idx; }
#ifdef __APPLE__          
static int  is_word_boundary_from_left(STB_TEXTEDIT_STRING* obj, int idx)       { return idx > 0 ? (!is_separator(obj->TextW[idx - 1]) && is_separator(obj->TextW[idx]) ) : 1; }
static int  STB_TEXTEDIT_MOVEWORDRIGHT_IMPL(STB_TEXTEDIT_STRING* obj, int idx)  { idx++; int len = obj->CurLenW; while (idx < len && !is_word_boundary_from_left(obj, idx)) idx++; return idx > len ? len : idx; }
#else
static int  STB_TEXTEDIT_MOVEWORDRIGHT_IMPL(STB_TEXTEDIT_STRING* obj, int idx)  { idx++; int len = obj->CurLenW; while (idx < len && !is_word_boundary_from_right(obj, idx)) idx++; return idx > len ? len : idx; }
#endif
#define STB_TEXTEDIT_MOVEWORDLEFT   STB_TEXTEDIT_MOVEWORDLEFT_IMPL           
#define STB_TEXTEDIT_MOVEWORDRIGHT  STB_TEXTEDIT_MOVEWORDRIGHT_IMPL

static void STB_TEXTEDIT_DELETECHARS(STB_TEXTEDIT_STRING* obj, int pos, int n)
{
    ImWchar* dst = obj->TextW.Data + pos;

    obj->Edited = true;
    obj->CurLenA -= ImTextCountUtf8BytesFromStr(dst, dst + n);
    obj->CurLenW -= n;

    const ImWchar* src = obj->TextW.Data + pos + n;
    while (ImWchar c = *src++)
        *dst++ = c;
    *dst = '\0';
}

static bool STB_TEXTEDIT_INSERTCHARS(STB_TEXTEDIT_STRING* obj, int pos, const ImWchar* new_text, int new_text_len)
{
    const bool is_resizable = (obj->UserFlags & ImGuiInputTextFlags_CallbackResize) != 0;
    const int text_len = obj->CurLenW;
    IM_ASSERT(pos <= text_len);

    const int new_text_len_utf8 = ImTextCountUtf8BytesFromStr(new_text, new_text + new_text_len);
    if (!is_resizable && (new_text_len_utf8 + obj->CurLenA + 1 > obj->BufCapacityA))
        return false;

    if (new_text_len + text_len + 1 > obj->TextW.Size)
    {
        if (!is_resizable)
            return false;
        IM_ASSERT(text_len < obj->TextW.Size);
        obj->TextW.resize(text_len + ImClamp(new_text_len * 4, 32, ImMax(256, new_text_len)) + 1);
    }

    ImWchar* text = obj->TextW.Data;
    if (pos != text_len)
        memmove(text + pos + new_text_len, text + pos, (size_t)(text_len - pos) * sizeof(ImWchar));
    memcpy(text + pos, new_text, (size_t)new_text_len * sizeof(ImWchar));

    obj->Edited = true;
    obj->CurLenW += new_text_len;
    obj->CurLenA += new_text_len_utf8;
    obj->TextW[obj->CurLenW] = '\0';

    return true;
}

#define STB_TEXTEDIT_K_LEFT         0x200000       
#define STB_TEXTEDIT_K_RIGHT        0x200001       
#define STB_TEXTEDIT_K_UP           0x200002       
#define STB_TEXTEDIT_K_DOWN         0x200003       
#define STB_TEXTEDIT_K_LINESTART    0x200004          
#define STB_TEXTEDIT_K_LINEEND      0x200005          
#define STB_TEXTEDIT_K_TEXTSTART    0x200006          
#define STB_TEXTEDIT_K_TEXTEND      0x200007          
#define STB_TEXTEDIT_K_DELETE       0x200008          
#define STB_TEXTEDIT_K_BACKSPACE    0x200009           
#define STB_TEXTEDIT_K_UNDO         0x20000A      
#define STB_TEXTEDIT_K_REDO         0x20000B      
#define STB_TEXTEDIT_K_WORDLEFT     0x20000C         
#define STB_TEXTEDIT_K_WORDRIGHT    0x20000D         
#define STB_TEXTEDIT_K_PGUP         0x20000E         
#define STB_TEXTEDIT_K_PGDOWN       0x20000F         
#define STB_TEXTEDIT_K_SHIFT        0x400000

#define STB_TEXTEDIT_IMPLEMENTATION
#include "imstb_textedit.h"

static void stb_textedit_replace(STB_TEXTEDIT_STRING* str, STB_TexteditState* state, const STB_TEXTEDIT_CHARTYPE* text, int text_len)
{
    stb_text_makeundo_replace(str, state, 0, str->CurLenW, text_len);
    ImStb::STB_TEXTEDIT_DELETECHARS(str, 0, str->CurLenW);
    if (text_len <= 0)
        return;
    if (ImStb::STB_TEXTEDIT_INSERTCHARS(str, 0, text, text_len))
    {
        state->cursor = text_len;
        state->has_preferred_x = 0;
        return;
    }
    IM_ASSERT(0);               
}

}   

void ImGuiInputTextState::OnKeyPressed(int key)
{
    stb_textedit_key(this, &Stb, key);
    CursorFollow = true;
    CursorAnimReset();
}

ImGuiInputTextCallbackData::ImGuiInputTextCallbackData()
{
    memset(this, 0, sizeof(*this));
}

void ImGuiInputTextCallbackData::DeleteChars(int pos, int bytes_count)
{
    IM_ASSERT(pos + bytes_count <= BufTextLen);
    char* dst = Buf + pos;
    const char* src = Buf + pos + bytes_count;
    while (char c = *src++)
        *dst++ = c;
    *dst = '\0';

    if (CursorPos >= pos + bytes_count)
        CursorPos -= bytes_count;
    else if (CursorPos >= pos)
        CursorPos = pos;
    SelectionStart = SelectionEnd = CursorPos;
    BufDirty = true;
    BufTextLen -= bytes_count;
}

void ImGuiInputTextCallbackData::InsertChars(int pos, const char* new_text, const char* new_text_end)
{
    const bool is_resizable = (Flags & ImGuiInputTextFlags_CallbackResize) != 0;
    const int new_text_len = new_text_end ? (int)(new_text_end - new_text) : (int)strlen(new_text);
    if (new_text_len + BufTextLen >= BufSize)
    {
        if (!is_resizable)
            return;

        ImGuiContext& g = *GImGui;
        ImGuiInputTextState* edit_state = &g.InputTextState;
        IM_ASSERT(edit_state->ID != 0 && g.ActiveId == edit_state->ID);
        IM_ASSERT(Buf == edit_state->TextA.Data);
        int new_buf_size = BufTextLen + ImClamp(new_text_len * 4, 32, ImMax(256, new_text_len)) + 1;
        edit_state->TextA.reserve(new_buf_size + 1);
        Buf = edit_state->TextA.Data;
        BufSize = edit_state->BufCapacityA = new_buf_size;
    }

    if (BufTextLen != pos)
        memmove(Buf + pos + new_text_len, Buf + pos, (size_t)(BufTextLen - pos));
    memcpy(Buf + pos, new_text, (size_t)new_text_len * sizeof(char));
    Buf[BufTextLen + new_text_len] = '\0';

    if (CursorPos >= pos)
        CursorPos += new_text_len;
    SelectionStart = SelectionEnd = CursorPos;
    BufDirty = true;
    BufTextLen += new_text_len;
}

static bool InputTextFilterCharacter(unsigned int* p_char, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data)
{
    unsigned int c = *p_char;

    if (c < 0x20)
    {
        bool pass = false;
        pass |= (c == '\n' && (flags & ImGuiInputTextFlags_Multiline));
        pass |= (c == '\t' && (flags & ImGuiInputTextFlags_AllowTabInput));
        if (!pass)
            return false;
    }

    if (c == 127)
        return false;

    if (c >= 0xE000 && c <= 0xF8FF)
        return false;

    if (c > IM_UNICODE_CODEPOINT_MAX)
        return false;

    if (flags & (ImGuiInputTextFlags_CharsDecimal | ImGuiInputTextFlags_CharsHexadecimal | ImGuiInputTextFlags_CharsUppercase | ImGuiInputTextFlags_CharsNoBlank | ImGuiInputTextFlags_CharsScientific))
    {
        ImGuiContext& g = *GImGui;
        const unsigned c_decimal_point = (unsigned int)g.PlatformLocaleDecimalPoint;

        if (flags & ImGuiInputTextFlags_CharsDecimal)
            if (!(c >= '0' && c <= '9') && (c != c_decimal_point) && (c != '-') && (c != '+') && (c != '*') && (c != '/'))
                return false;

        if (flags & ImGuiInputTextFlags_CharsScientific)
            if (!(c >= '0' && c <= '9') && (c != c_decimal_point) && (c != '-') && (c != '+') && (c != '*') && (c != '/') && (c != 'e') && (c != 'E'))
                return false;

        if (flags & ImGuiInputTextFlags_CharsHexadecimal)
            if (!(c >= '0' && c <= '9') && !(c >= 'a' && c <= 'f') && !(c >= 'A' && c <= 'F'))
                return false;

        if (flags & ImGuiInputTextFlags_CharsUppercase)
            if (c >= 'a' && c <= 'z')
                *p_char = (c += (unsigned int)('A' - 'a'));

        if (flags & ImGuiInputTextFlags_CharsNoBlank)
            if (ImCharIsBlankW(c))
                return false;
    }

    if (flags & ImGuiInputTextFlags_CallbackCharFilter)
    {
        ImGuiInputTextCallbackData callback_data;
        memset(&callback_data, 0, sizeof(ImGuiInputTextCallbackData));
        callback_data.EventFlag = ImGuiInputTextFlags_CallbackCharFilter;
        callback_data.EventChar = (ImWchar)c;
        callback_data.Flags = flags;
        callback_data.UserData = user_data;
        if (callback(&callback_data) != 0)
            return false;
        *p_char = callback_data.EventChar;
        if (!callback_data.EventChar)
            return false;
    }

    return true;
}

bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_size, const ImVec2& size_arg, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* callback_user_data)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    IM_ASSERT(buf != NULL && buf_size >= 0);
    IM_ASSERT(!((flags & ImGuiInputTextFlags_CallbackHistory) && (flags & ImGuiInputTextFlags_Multiline)));                 
    IM_ASSERT(!((flags & ImGuiInputTextFlags_CallbackCompletion) && (flags & ImGuiInputTextFlags_AllowTabInput)));          

    ImGuiContext& g = *GImGui;
    ImGuiIO& io = g.IO;
    const ImGuiStyle& style = g.Style;

    const bool RENDER_SELECTION_WHEN_INACTIVE = false;
    const bool is_multiline = (flags & ImGuiInputTextFlags_Multiline) != 0;
    const bool is_readonly = (flags & ImGuiInputTextFlags_ReadOnly) != 0;
    const bool is_password = (flags & ImGuiInputTextFlags_Password) != 0;
    const bool is_undoable = (flags & ImGuiInputTextFlags_NoUndoRedo) == 0;
    const bool is_resizable = (flags & ImGuiInputTextFlags_CallbackResize) != 0;
    if (is_resizable)
        IM_ASSERT(callback != NULL);           

    if (is_multiline)              
        BeginGroup();
    const ImGuiID id = window->GetID(label);
    const ImVec2 label_size = CalcTextSize(label, NULL, true);
    const ImVec2 frame_size = CalcItemSize(size_arg, CalcItemWidth(), (is_multiline ? g.FontSize * 8.0f : label_size.y) + style.FramePadding.y * 2.0f);         
    const ImVec2 total_size = ImVec2(frame_size.x + (label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f), frame_size.y);

    const ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + frame_size);
    ImRect total_bb(frame_bb.Min - ImVec2(0.0f, 10.0f), frame_bb.Max + ImVec2(style.ItemInnerSpacing.x, 0.0f));


    ImGuiWindow* draw_window = window;
    ImVec2 inner_size = frame_size;
    if (is_multiline)
    {
        if (!ItemAdd(total_bb, id, &frame_bb))
        {
            ItemSize(total_bb, style.FramePadding.y);
            EndGroup();
            return false;
        }

        PushStyleColor(ImGuiCol_ChildBg, style.Colors[ImGuiCol_FrameBg]);
        PushStyleVar(ImGuiStyleVar_ChildRounding, style.FrameRounding);
        PushStyleVar(ImGuiStyleVar_ChildBorderSize, style.FrameBorderSize);
        bool child_visible = BeginChildEx(label, id, frame_bb.GetSize(), true, ImGuiWindowFlags_NoMove);
        PopStyleVar(2);
        PopStyleColor();
        if (!child_visible)
        {
            EndChild();
            EndGroup();
            return false;
        }
        draw_window = g.CurrentWindow;   
        draw_window->DC.NavLayerActiveMaskNext |= (1 << draw_window->DC.NavLayerCurrent);                  
        draw_window->DC.CursorPos += style.FramePadding;
        inner_size.x -= draw_window->ScrollbarSizes.x;
    }
    else
    {
        ItemSize(total_bb, style.FramePadding.y);
        if (!ItemAdd(total_bb, id, &frame_bb))
            return false;
    }
    const bool hovered = ItemHoverable(frame_bb, id);
    if (hovered)
        g.MouseCursor = ImGuiMouseCursor_TextInput;

    ImGuiInputTextState* state = GetInputTextState(id);

    const bool focus_requested = FocusableItemRegister(window, id);
    const bool focus_requested_by_code = focus_requested && (g.FocusRequestCurrWindow == window && g.FocusRequestCurrCounterRegular == window->DC.FocusCounterRegular);
    const bool focus_requested_by_tab = focus_requested && !focus_requested_by_code;

    const bool user_clicked = hovered && io.MouseClicked[0];
    const bool user_nav_input_start = (g.ActiveId != id) && ((g.NavInputId == id) || (g.NavActivateId == id && g.NavInputSource == ImGuiInputSource_NavKeyboard));
    const bool user_scroll_finish = is_multiline && state != NULL && g.ActiveId == 0 && g.ActiveIdPreviousFrame == GetWindowScrollbarID(draw_window, ImGuiAxis_Y);
    const bool user_scroll_active = is_multiline && state != NULL && g.ActiveId == GetWindowScrollbarID(draw_window, ImGuiAxis_Y);

    bool clear_active_id = false;
    bool select_all = (g.ActiveId != id) && ((flags & ImGuiInputTextFlags_AutoSelectAll) != 0 || user_nav_input_start) && (!is_multiline);

    float scroll_y = is_multiline ? draw_window->Scroll.y : FLT_MAX;

    const bool init_changed_specs = (state != NULL && state->Stb.single_line != !is_multiline);
    const bool init_make_active = (focus_requested || user_clicked || user_scroll_finish || user_nav_input_start);
    const bool init_state = (init_make_active || user_scroll_active);
    if ((init_state && g.ActiveId != id) || init_changed_specs)
    {
        state = &g.InputTextState;
        state->CursorAnimReset();

        const int buf_len = (int)strlen(buf);
        state->InitialTextA.resize(buf_len + 1);                      
        memcpy(state->InitialTextA.Data, buf, buf_len + 1);

        const char* buf_end = NULL;
        state->TextW.resize(buf_size + 1);                                
        state->TextA.resize(0);
        state->TextAIsValid = false;                           
        state->CurLenW = ImTextStrFromUtf8(state->TextW.Data, buf_size, buf, NULL, &buf_end);
        state->CurLenA = (int)(buf_end - buf);                          

        const bool recycle_state = (state->ID == id && !init_changed_specs);
        if (recycle_state)
        {
            state->CursorClamp();
        }
        else
        {
            state->ID = id;
            state->ScrollX = 0.0f;
            stb_textedit_initialize_state(&state->Stb, !is_multiline);
            if (!is_multiline && focus_requested_by_code)
                select_all = true;
        }
        if (flags & ImGuiInputTextFlags_AlwaysInsertMode)
            state->Stb.insert_mode = 1;
        if (!is_multiline && (focus_requested_by_tab || (user_clicked && io.KeyCtrl)))
            select_all = true;
    }

    if (g.ActiveId != id && init_make_active)
    {
        IM_ASSERT(state && state->ID == id);
        SetActiveID(id, window);
        SetFocusID(id, window);
        FocusWindow(window);

        IM_ASSERT(ImGuiNavInput_COUNT < 32);
        g.ActiveIdUsingNavDirMask |= (1 << ImGuiDir_Left) | (1 << ImGuiDir_Right);
        if (is_multiline || (flags & ImGuiInputTextFlags_CallbackHistory))
            g.ActiveIdUsingNavDirMask |= (1 << ImGuiDir_Up) | (1 << ImGuiDir_Down);
        g.ActiveIdUsingNavInputMask |= (1 << ImGuiNavInput_Cancel);
        g.ActiveIdUsingKeyInputMask |= ((ImU64)1 << ImGuiKey_Home) | ((ImU64)1 << ImGuiKey_End);
        if (is_multiline)
            g.ActiveIdUsingKeyInputMask |= ((ImU64)1 << ImGuiKey_PageUp) | ((ImU64)1 << ImGuiKey_PageDown);
        if (flags & (ImGuiInputTextFlags_CallbackCompletion | ImGuiInputTextFlags_AllowTabInput))             
            g.ActiveIdUsingKeyInputMask |= ((ImU64)1 << ImGuiKey_Tab);
    }

    if (g.ActiveId == id && state == NULL)
        ClearActiveID();

    if (g.ActiveId == id && io.MouseClicked[0] && !init_state && !init_make_active) 
        clear_active_id = true;

    const bool render_cursor = (g.ActiveId == id) || (state && user_scroll_active);
    bool render_selection = state && state->HasSelection() && (RENDER_SELECTION_WHEN_INACTIVE || render_cursor);
    bool value_changed = false;
    bool enter_pressed = false;

    if (is_readonly && state != NULL && (render_cursor || render_selection))
    {
        const char* buf_end = NULL;
        state->TextW.resize(buf_size + 1);
        state->CurLenW = ImTextStrFromUtf8(state->TextW.Data, state->TextW.Size, buf, NULL, &buf_end);
        state->CurLenA = (int)(buf_end - buf);
        state->CursorClamp();
        render_selection &= state->HasSelection();
    }

    const bool buf_display_from_state = (render_cursor || render_selection || g.ActiveId == id) && !is_readonly && state && state->TextAIsValid;
    const bool is_displaying_hint = (hint != NULL && (buf_display_from_state ? state->TextA.Data : buf)[0] == 0);

    if (is_password && !is_displaying_hint)
    {
        const ImFontGlyph* glyph = g.Font->FindGlyph('*');
        ImFont* password_font = &g.InputTextPasswordFont;
        password_font->FontSize = g.Font->FontSize;
        password_font->Scale = g.Font->Scale;
        password_font->Ascent = g.Font->Ascent;
        password_font->Descent = g.Font->Descent;
        password_font->ContainerAtlas = g.Font->ContainerAtlas;
        password_font->FallbackGlyph = glyph;
        password_font->FallbackAdvanceX = glyph->AdvanceX;
        IM_ASSERT(password_font->Glyphs.empty() && password_font->IndexAdvanceX.empty() && password_font->IndexLookup.empty());
        PushFont(password_font);
    }

    int backup_current_text_length = 0;

    if (g.ActiveId == id)
    { 
        IM_ASSERT(state != NULL);
        backup_current_text_length = state->CurLenA;
        state->Edited = false;
        state->BufCapacityA = buf_size;
        state->UserFlags = flags;
        state->UserCallback = callback;
        state->UserCallbackData = callback_user_data;

        g.ActiveIdAllowOverlap = !io.MouseDown[0];
        g.WantTextInputNextFrame = 1;

        const float mouse_x = (io.MousePos.x - frame_bb.Min.x - style.FramePadding.x) + state->ScrollX;
        const float mouse_y = (is_multiline ? (io.MousePos.y - draw_window->DC.CursorPos.y) : (g.FontSize * 0.5f));

        const bool is_osx = io.ConfigMacOSXBehaviors;
        if (select_all || (hovered && !is_osx && io.MouseDoubleClicked[0]))
        {
            state->SelectAll();
            state->SelectedAllMouseLock = true;
        }
        else if (hovered && is_osx && io.MouseDoubleClicked[0])
        {
            state->OnKeyPressed(STB_TEXTEDIT_K_WORDLEFT);
            state->OnKeyPressed(STB_TEXTEDIT_K_WORDRIGHT | STB_TEXTEDIT_K_SHIFT);
        }
        else if (io.MouseClicked[0] && !state->SelectedAllMouseLock)
        {
            if (hovered)
            {
                stb_textedit_click(state, &state->Stb, mouse_x, mouse_y);
                state->CursorAnimReset();
            }
        }
        else if (io.MouseDown[0] && !state->SelectedAllMouseLock && (io.MouseDelta.x != 0.0f || io.MouseDelta.y != 0.0f))
        {
            stb_textedit_drag(state, &state->Stb, mouse_x, mouse_y);
            state->CursorAnimReset();
            state->CursorFollow = true;
        }
        if (state->SelectedAllMouseLock && !io.MouseDown[0])
            state->SelectedAllMouseLock = false;

        const bool ignore_char_inputs = (io.KeyCtrl && !io.KeyAlt) || (is_osx && io.KeySuper);
        if ((flags & ImGuiInputTextFlags_AllowTabInput) && IsKeyPressedMap(ImGuiKey_Tab) && !ignore_char_inputs && !io.KeyShift && !is_readonly)
            if (!io.InputQueueCharacters.contains('\t'))
            {
                unsigned int c = '\t';   
                if (InputTextFilterCharacter(&c, flags, callback, callback_user_data))
                    state->OnKeyPressed((int)c);
            }

        if (io.InputQueueCharacters.Size > 0)
        {
            if (!ignore_char_inputs && !is_readonly && !user_nav_input_start)
                for (int n = 0; n < io.InputQueueCharacters.Size; n++)
                {
                    unsigned int c = (unsigned int)io.InputQueueCharacters[n];
                    if (c == '\t' && io.KeyShift)
                        continue;
                    if (InputTextFilterCharacter(&c, flags, callback, callback_user_data))
                        state->OnKeyPressed((int)c);
                }

            io.InputQueueCharacters.resize(0);
        }
    }

    bool cancel_edit = false;
    if (g.ActiveId == id && !g.ActiveIdIsJustActivated && !clear_active_id)
    { 
        IM_ASSERT(state != NULL);
        IM_ASSERT(io.KeyMods == GetMergedKeyModFlags() && "Mismatching io.KeyCtrl/io.KeyShift/io.KeyAlt/io.KeySuper vs io.KeyMods");             

        const int row_count_per_page = ImMax((int)((inner_size.y - style.FramePadding.y) / g.FontSize), 1);
        state->Stb.row_count_per_page = row_count_per_page;

        const int k_mask = (io.KeyShift ? STB_TEXTEDIT_K_SHIFT : 0);
        const bool is_osx = io.ConfigMacOSXBehaviors;
        const bool is_osx_shift_shortcut = is_osx && (io.KeyMods == (ImGuiKeyModFlags_Super | ImGuiKeyModFlags_Shift));
        const bool is_wordmove_key_down = is_osx ? io.KeyAlt : io.KeyCtrl;                                 
        const bool is_startend_key_down = is_osx && io.KeySuper && !io.KeyCtrl && !io.KeyAlt;              
        const bool is_ctrl_key_only = (io.KeyMods == ImGuiKeyModFlags_Ctrl);
        const bool is_shift_key_only = (io.KeyMods == ImGuiKeyModFlags_Shift);
        const bool is_shortcut_key = g.IO.ConfigMacOSXBehaviors ? (io.KeyMods == ImGuiKeyModFlags_Super) : (io.KeyMods == ImGuiKeyModFlags_Ctrl);

        const bool is_cut   = ((is_shortcut_key && IsKeyPressedMap(ImGuiKey_X)) || (is_shift_key_only && IsKeyPressedMap(ImGuiKey_Delete))) && !is_readonly && !is_password && (!is_multiline || state->HasSelection());
        const bool is_copy  = ((is_shortcut_key && IsKeyPressedMap(ImGuiKey_C)) || (is_ctrl_key_only  && IsKeyPressedMap(ImGuiKey_Insert))) && !is_password && (!is_multiline || state->HasSelection());
        const bool is_paste = ((is_shortcut_key && IsKeyPressedMap(ImGuiKey_V)) || (is_shift_key_only && IsKeyPressedMap(ImGuiKey_Insert))) && !is_readonly;
        const bool is_undo  = ((is_shortcut_key && IsKeyPressedMap(ImGuiKey_Z)) && !is_readonly && is_undoable);
        const bool is_redo  = ((is_shortcut_key && IsKeyPressedMap(ImGuiKey_Y)) || (is_osx_shift_shortcut && IsKeyPressedMap(ImGuiKey_Z))) && !is_readonly && is_undoable;

        if (IsKeyPressedMap(ImGuiKey_LeftArrow))                        { state->OnKeyPressed((is_startend_key_down ? STB_TEXTEDIT_K_LINESTART : is_wordmove_key_down ? STB_TEXTEDIT_K_WORDLEFT : STB_TEXTEDIT_K_LEFT) | k_mask); }
        else if (IsKeyPressedMap(ImGuiKey_RightArrow))                  { state->OnKeyPressed((is_startend_key_down ? STB_TEXTEDIT_K_LINEEND : is_wordmove_key_down ? STB_TEXTEDIT_K_WORDRIGHT : STB_TEXTEDIT_K_RIGHT) | k_mask); }
        else if (IsKeyPressedMap(ImGuiKey_UpArrow) && is_multiline)     { if (io.KeyCtrl) SetScrollY(draw_window, ImMax(draw_window->Scroll.y - g.FontSize, 0.0f)); else state->OnKeyPressed((is_startend_key_down ? STB_TEXTEDIT_K_TEXTSTART : STB_TEXTEDIT_K_UP) | k_mask); }
        else if (IsKeyPressedMap(ImGuiKey_DownArrow) && is_multiline)   { if (io.KeyCtrl) SetScrollY(draw_window, ImMin(draw_window->Scroll.y + g.FontSize, GetScrollMaxY())); else state->OnKeyPressed((is_startend_key_down ? STB_TEXTEDIT_K_TEXTEND : STB_TEXTEDIT_K_DOWN) | k_mask); }
        else if (IsKeyPressedMap(ImGuiKey_PageUp) && is_multiline)      { state->OnKeyPressed(STB_TEXTEDIT_K_PGUP | k_mask); scroll_y -= row_count_per_page * g.FontSize; }
        else if (IsKeyPressedMap(ImGuiKey_PageDown) && is_multiline)    { state->OnKeyPressed(STB_TEXTEDIT_K_PGDOWN | k_mask); scroll_y += row_count_per_page * g.FontSize; }
        else if (IsKeyPressedMap(ImGuiKey_Home))                        { state->OnKeyPressed(io.KeyCtrl ? STB_TEXTEDIT_K_TEXTSTART | k_mask : STB_TEXTEDIT_K_LINESTART | k_mask); }
        else if (IsKeyPressedMap(ImGuiKey_End))                         { state->OnKeyPressed(io.KeyCtrl ? STB_TEXTEDIT_K_TEXTEND | k_mask : STB_TEXTEDIT_K_LINEEND | k_mask); }
        else if (IsKeyPressedMap(ImGuiKey_Delete) && !is_readonly)      { state->OnKeyPressed(STB_TEXTEDIT_K_DELETE | k_mask); }
        else if (IsKeyPressedMap(ImGuiKey_Backspace) && !is_readonly)
        {
            if (!state->HasSelection())
            {
                if (is_wordmove_key_down)
                    state->OnKeyPressed(STB_TEXTEDIT_K_WORDLEFT | STB_TEXTEDIT_K_SHIFT);
                else if (is_osx && io.KeySuper && !io.KeyAlt && !io.KeyCtrl)
                    state->OnKeyPressed(STB_TEXTEDIT_K_LINESTART | STB_TEXTEDIT_K_SHIFT);
            }
            state->OnKeyPressed(STB_TEXTEDIT_K_BACKSPACE | k_mask);
        }
        else if (IsKeyPressedMap(ImGuiKey_Enter) || IsKeyPressedMap(ImGuiKey_KeyPadEnter))
        {
            bool ctrl_enter_for_new_line = (flags & ImGuiInputTextFlags_CtrlEnterForNewLine) != 0;
            if (!is_multiline || (ctrl_enter_for_new_line && !io.KeyCtrl) || (!ctrl_enter_for_new_line && io.KeyCtrl))
            {
                enter_pressed = clear_active_id = true;
            }
            else if (!is_readonly)
            {
                unsigned int c = '\n';    
                if (InputTextFilterCharacter(&c, flags, callback, callback_user_data))
                    state->OnKeyPressed((int)c);
            }
        }
        else if (IsKeyPressedMap(ImGuiKey_Escape))
        {
            clear_active_id = cancel_edit = true;
        }
        else if (is_undo || is_redo)
        {
            state->OnKeyPressed(is_undo ? STB_TEXTEDIT_K_UNDO : STB_TEXTEDIT_K_REDO);
            state->ClearSelection();
        }
        else if (is_shortcut_key && IsKeyPressedMap(ImGuiKey_A))
        {
            state->SelectAll();
            state->CursorFollow = true;
        }
        else if (is_cut || is_copy)
        {
            if (io.SetClipboardTextFn)
            {
                const int ib = state->HasSelection() ? ImMin(state->Stb.select_start, state->Stb.select_end) : 0;
                const int ie = state->HasSelection() ? ImMax(state->Stb.select_start, state->Stb.select_end) : state->CurLenW;
                const int clipboard_data_len = ImTextCountUtf8BytesFromStr(state->TextW.Data + ib, state->TextW.Data + ie) + 1;
                char* clipboard_data = (char*)IM_ALLOC(clipboard_data_len * sizeof(char));
                ImTextStrToUtf8(clipboard_data, clipboard_data_len, state->TextW.Data + ib, state->TextW.Data + ie);
                SetClipboardText(clipboard_data);
                MemFree(clipboard_data);
            }
            if (is_cut)
            {
                if (!state->HasSelection())
                    state->SelectAll();
                state->CursorFollow = true;
                stb_textedit_cut(state, &state->Stb);
            }
        }
        else if (is_paste)
        {
            if (const char* clipboard = GetClipboardText())
            {
                const int clipboard_len = (int)strlen(clipboard);
                ImWchar* clipboard_filtered = (ImWchar*)IM_ALLOC((clipboard_len + 1) * sizeof(ImWchar));
                int clipboard_filtered_len = 0;
                for (const char* s = clipboard; *s; )
                {
                    unsigned int c;
                    s += ImTextCharFromUtf8(&c, s, NULL);
                    if (c == 0)
                        break;
                    if (!InputTextFilterCharacter(&c, flags, callback, callback_user_data))
                        continue;
                    clipboard_filtered[clipboard_filtered_len++] = (ImWchar)c;
                }
                clipboard_filtered[clipboard_filtered_len] = 0;
                if (clipboard_filtered_len > 0)         
                {
                    stb_textedit_paste(state, &state->Stb, clipboard_filtered, clipboard_filtered_len);
                    state->CursorFollow = true;
                }
                MemFree(clipboard_filtered);
            }
        }

        render_selection |= state->HasSelection() && (RENDER_SELECTION_WHEN_INACTIVE || render_cursor);
    }

    if (g.ActiveId == id)
    {  
        IM_ASSERT(state != NULL);
        const char* apply_new_text = NULL;
        int apply_new_text_length = 0;
        if (cancel_edit)
        {
            if (!is_readonly && strcmp(buf, state->InitialTextA.Data) != 0)
            {
                apply_new_text = state->InitialTextA.Data;
                apply_new_text_length = state->InitialTextA.Size - 1;
                ImVector<ImWchar> w_text;
                if (apply_new_text_length > 0)
                {
                    w_text.resize(ImTextCountCharsFromUtf8(apply_new_text, apply_new_text + apply_new_text_length) + 1);
                    ImTextStrFromUtf8(w_text.Data, w_text.Size, apply_new_text, apply_new_text + apply_new_text_length);
                }
                stb_textedit_replace(state, &state->Stb, w_text.Data, (apply_new_text_length > 0) ? (w_text.Size - 1) : 0);
            }
        }

        bool apply_edit_back_to_user_buffer = !cancel_edit || (enter_pressed && (flags & ImGuiInputTextFlags_EnterReturnsTrue) != 0);
        if (apply_edit_back_to_user_buffer)
        {
            if (!is_readonly)
            {
                state->TextAIsValid = true;
                state->TextA.resize(state->TextW.Size * 4 + 1);
                ImTextStrToUtf8(state->TextA.Data, state->TextA.Size, state->TextW.Data, NULL);
            }

            if ((flags & (ImGuiInputTextFlags_CallbackCompletion | ImGuiInputTextFlags_CallbackHistory | ImGuiInputTextFlags_CallbackEdit | ImGuiInputTextFlags_CallbackAlways)) != 0)
            {
                IM_ASSERT(callback != NULL);

                ImGuiInputTextFlags event_flag = 0;
                ImGuiKey event_key = ImGuiKey_COUNT;
                if ((flags & ImGuiInputTextFlags_CallbackCompletion) != 0 && IsKeyPressedMap(ImGuiKey_Tab))
                {
                    event_flag = ImGuiInputTextFlags_CallbackCompletion;
                    event_key = ImGuiKey_Tab;
                }
                else if ((flags & ImGuiInputTextFlags_CallbackHistory) != 0 && IsKeyPressedMap(ImGuiKey_UpArrow))
                {
                    event_flag = ImGuiInputTextFlags_CallbackHistory;
                    event_key = ImGuiKey_UpArrow;
                }
                else if ((flags & ImGuiInputTextFlags_CallbackHistory) != 0 && IsKeyPressedMap(ImGuiKey_DownArrow))
                {
                    event_flag = ImGuiInputTextFlags_CallbackHistory;
                    event_key = ImGuiKey_DownArrow;
                }
                else if ((flags & ImGuiInputTextFlags_CallbackEdit) && state->Edited)
                {
                    event_flag = ImGuiInputTextFlags_CallbackEdit;
                }
                else if (flags & ImGuiInputTextFlags_CallbackAlways)
                {
                    event_flag = ImGuiInputTextFlags_CallbackAlways;
                }

                if (event_flag)
                {
                    ImGuiInputTextCallbackData callback_data;
                    memset(&callback_data, 0, sizeof(ImGuiInputTextCallbackData));
                    callback_data.EventFlag = event_flag;
                    callback_data.Flags = flags;
                    callback_data.UserData = callback_user_data;

                    callback_data.EventKey = event_key;
                    callback_data.Buf = state->TextA.Data;
                    callback_data.BufTextLen = state->CurLenA;
                    callback_data.BufSize = state->BufCapacityA;
                    callback_data.BufDirty = false;

                    ImWchar* text = state->TextW.Data;
                    const int utf8_cursor_pos = callback_data.CursorPos = ImTextCountUtf8BytesFromStr(text, text + state->Stb.cursor);
                    const int utf8_selection_start = callback_data.SelectionStart = ImTextCountUtf8BytesFromStr(text, text + state->Stb.select_start);
                    const int utf8_selection_end = callback_data.SelectionEnd = ImTextCountUtf8BytesFromStr(text, text + state->Stb.select_end);

                    callback(&callback_data);

                    IM_ASSERT(callback_data.Buf == state->TextA.Data);       
                    IM_ASSERT(callback_data.BufSize == state->BufCapacityA);
                    IM_ASSERT(callback_data.Flags == flags);
                    const bool buf_dirty = callback_data.BufDirty;
                    if (callback_data.CursorPos != utf8_cursor_pos || buf_dirty)            { state->Stb.cursor = ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.CursorPos); state->CursorFollow = true; }
                    if (callback_data.SelectionStart != utf8_selection_start || buf_dirty)  { state->Stb.select_start = (callback_data.SelectionStart == callback_data.CursorPos) ? state->Stb.cursor : ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.SelectionStart); }
                    if (callback_data.SelectionEnd != utf8_selection_end || buf_dirty)      { state->Stb.select_end = (callback_data.SelectionEnd == callback_data.SelectionStart) ? state->Stb.select_start : ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.SelectionEnd); }
                    if (buf_dirty)
                    {
                        IM_ASSERT(callback_data.BufTextLen == (int)strlen(callback_data.Buf));           
                        if (callback_data.BufTextLen > backup_current_text_length && is_resizable)
                            state->TextW.resize(state->TextW.Size + (callback_data.BufTextLen - backup_current_text_length));
                        state->CurLenW = ImTextStrFromUtf8(state->TextW.Data, state->TextW.Size, callback_data.Buf, NULL);
                        state->CurLenA = callback_data.BufTextLen;               
                        state->CursorAnimReset();
                    }
                }
            }

            if (!is_readonly && strcmp(state->TextA.Data, buf) != 0)
            {
                apply_new_text = state->TextA.Data;
                apply_new_text_length = state->CurLenA;
            }
        }

        if (apply_new_text)
        {
            IM_ASSERT(apply_new_text_length >= 0);
            if (is_resizable)
            {
                ImGuiInputTextCallbackData callback_data;
                callback_data.EventFlag = ImGuiInputTextFlags_CallbackResize;
                callback_data.Flags = flags;
                callback_data.Buf = buf;
                callback_data.BufTextLen = apply_new_text_length;
                callback_data.BufSize = ImMax(buf_size, apply_new_text_length + 1);
                callback_data.UserData = callback_user_data;
                callback(&callback_data);
                buf = callback_data.Buf;
                buf_size = callback_data.BufSize;
                apply_new_text_length = ImMin(callback_data.BufTextLen, buf_size - 1);
                IM_ASSERT(apply_new_text_length <= buf_size);
            }
            ImStrncpy(buf, apply_new_text, ImMin(apply_new_text_length + 1, buf_size));
            value_changed = true;
        }

        state->UserFlags = 0;
        state->UserCallback = NULL;
        state->UserCallbackData = NULL;
    }

    if (clear_active_id && g.ActiveId == id)
        ClearActiveID();

    if (!is_multiline)
    {
        RenderNavHighlight(frame_bb, id);
        RenderFrame(frame_bb.Min, frame_bb.Max, GetColorU32(ImGuiCol_FrameBg), true, style.FrameRounding);
       
    }
    
    window->DrawList->AddLine(ImVec2(frame_bb.Min.x - 1.0f, frame_bb.Min.y), ImVec2(frame_bb.Max.x - 1.0f, frame_bb.Min.y), colBlack, 1.0f);
    window->DrawList->AddLine(ImVec2(frame_bb.Min.x - 1.0f, frame_bb.Min.y), ImVec2(frame_bb.Min.x - 1.0f, frame_bb.Max.y), colBlack, 1.0f);
    window->DrawList->AddLine(ImVec2(frame_bb.Max.x - 1.0f, frame_bb.Min.y), ImVec2(frame_bb.Max.x - 1.0f, frame_bb.Max.y), colWhite, 1.0f);
    window->DrawList->AddLine(ImVec2(frame_bb.Min.x - 1.0f, frame_bb.Max.y), ImVec2(frame_bb.Max.x - 1.0f, frame_bb.Max.y), colWhite, 1.0f);
    

    const ImVec4 clip_rect(frame_bb.Min.x, frame_bb.Min.y, frame_bb.Min.x + inner_size.x, frame_bb.Min.y + inner_size.y);         
    ImVec2 draw_pos = is_multiline ? draw_window->DC.CursorPos : frame_bb.Min + style.FramePadding;
    ImVec2 text_size(0.0f, 0.0f);

    const int buf_display_max_length = 2 * 1024 * 1024;
    const char* buf_display = buf_display_from_state ? state->TextA.Data : buf; 
    const char* buf_display_end = NULL;          
    if (is_displaying_hint)
    {
        buf_display = hint;
        buf_display_end = hint + strlen(hint);
    }

    if (render_cursor || render_selection)
    {
        IM_ASSERT(state != NULL);
        if (!is_displaying_hint)
            buf_display_end = buf_display + state->CurLenA;

        const ImWchar* text_begin = state->TextW.Data;
        ImVec2 cursor_offset, select_start_offset;

        {
            const ImWchar* searches_input_ptr[2] = { NULL, NULL };
            int searches_result_line_no[2] = { -1000, -1000 };
            int searches_remaining = 0;
            if (render_cursor)
            {
                searches_input_ptr[0] = text_begin + state->Stb.cursor;
                searches_result_line_no[0] = -1;
                searches_remaining++;
            }
            if (render_selection)
            {
                searches_input_ptr[1] = text_begin + ImMin(state->Stb.select_start, state->Stb.select_end);
                searches_result_line_no[1] = -1;
                searches_remaining++;
            }

            searches_remaining += is_multiline ? 1 : 0;
            int line_count = 0;
            for (const ImWchar* s = text_begin; *s != 0; s++)
                if (*s == '\n')
                {
                    line_count++;
                    if (searches_result_line_no[0] == -1 && s >= searches_input_ptr[0]) { searches_result_line_no[0] = line_count; if (--searches_remaining <= 0) break; }
                    if (searches_result_line_no[1] == -1 && s >= searches_input_ptr[1]) { searches_result_line_no[1] = line_count; if (--searches_remaining <= 0) break; }
                }
            line_count++;
            if (searches_result_line_no[0] == -1)
                searches_result_line_no[0] = line_count;
            if (searches_result_line_no[1] == -1)
                searches_result_line_no[1] = line_count;

            cursor_offset.x = InputTextCalcTextSizeW(ImStrbolW(searches_input_ptr[0], text_begin), searches_input_ptr[0]).x;
            cursor_offset.y = searches_result_line_no[0] * g.FontSize;
            if (searches_result_line_no[1] >= 0)
            {
                select_start_offset.x = InputTextCalcTextSizeW(ImStrbolW(searches_input_ptr[1], text_begin), searches_input_ptr[1]).x;
                select_start_offset.y = searches_result_line_no[1] * g.FontSize;
            }

            if (is_multiline)
                text_size = ImVec2(inner_size.x, line_count * g.FontSize);
        }

        if (render_cursor && state->CursorFollow)
        {
            if (!(flags & ImGuiInputTextFlags_NoHorizontalScroll))
            {
                const float scroll_increment_x = inner_size.x * 0.25f;
                const float visible_width = inner_size.x - style.FramePadding.x;
                if (cursor_offset.x < state->ScrollX)
                    state->ScrollX = IM_FLOOR(ImMax(0.0f, cursor_offset.x - scroll_increment_x));
                else if (cursor_offset.x - visible_width >= state->ScrollX)
                    state->ScrollX = IM_FLOOR(cursor_offset.x - visible_width + scroll_increment_x);
            }
            else
            {
                state->ScrollX = 0.0f;
            }

            if (is_multiline)
            {
                if (cursor_offset.y - g.FontSize < scroll_y)
                    scroll_y = ImMax(0.0f, cursor_offset.y - g.FontSize);
                else if (cursor_offset.y - inner_size.y >= scroll_y)
                    scroll_y = cursor_offset.y - inner_size.y + style.FramePadding.y * 2.0f;
                const float scroll_max_y = ImMax((text_size.y + style.FramePadding.y * 2.0f) - inner_size.y, 0.0f);
                scroll_y = ImClamp(scroll_y, 0.0f, scroll_max_y);
                draw_pos.y += (draw_window->Scroll.y - scroll_y);            
                draw_window->Scroll.y = scroll_y;
            }

            state->CursorFollow = false;
        }

        const ImVec2 draw_scroll = ImVec2(state->ScrollX, 0.0f);
        if (render_selection)
        {
            const ImWchar* text_selected_begin = text_begin + ImMin(state->Stb.select_start, state->Stb.select_end);
            const ImWchar* text_selected_end = text_begin + ImMax(state->Stb.select_start, state->Stb.select_end);

            ImU32 bg_color = GetColorU32(ImGuiCol_TextSelectedBg, render_cursor ? 1.0f : 0.6f);                    
            float bg_offy_up = is_multiline ? 0.0f : -1.0f;                     
            float bg_offy_dn = is_multiline ? 0.0f : 2.0f;
            ImVec2 rect_pos = draw_pos + select_start_offset - draw_scroll;
            for (const ImWchar* p = text_selected_begin; p < text_selected_end; )
            {
                if (rect_pos.y > clip_rect.w + g.FontSize)
                    break;
                if (rect_pos.y < clip_rect.y)
                {
                    while (p < text_selected_end)
                        if (*p++ == '\n')
                            break;
                }
                else
                {
                    ImVec2 rect_size = InputTextCalcTextSizeW(p, text_selected_end, &p, NULL, true);
                    if (rect_size.x <= 0.0f) rect_size.x = IM_FLOOR(g.Font->GetCharAdvance((ImWchar)' ') * 0.50f);        
                    ImRect rect(rect_pos + ImVec2(0.0f, bg_offy_up - g.FontSize), rect_pos + ImVec2(rect_size.x, bg_offy_dn));
                    rect.ClipWith(clip_rect);
                    if (rect.Overlaps(clip_rect))
                        draw_window->DrawList->AddRectFilled(rect.Min, rect.Max, bg_color);
                }
                rect_pos.x = draw_pos.x - draw_scroll.x;
                rect_pos.y += g.FontSize;
            }
        }

        if (is_multiline || (buf_display_end - buf_display) < buf_display_max_length)
        {
            ImU32 col = GetColorU32(is_displaying_hint ? ImGuiCol_TextDisabled : ImGuiCol_Text);
            draw_window->DrawList->AddText(g.Font, g.FontSize, draw_pos - draw_scroll, col, buf_display, buf_display_end, 0.0f, is_multiline ? NULL : &clip_rect);
        }

        if (render_cursor)
        {
            state->CursorAnim += io.DeltaTime;
            bool cursor_is_visible = (!g.IO.ConfigInputTextCursorBlink) || (state->CursorAnim <= 0.0f) || ImFmod(state->CursorAnim, 1.20f) <= 0.80f;
            ImVec2 cursor_screen_pos = draw_pos + cursor_offset - draw_scroll;
            ImRect cursor_screen_rect(cursor_screen_pos.x, cursor_screen_pos.y - g.FontSize + 0.5f, cursor_screen_pos.x + 1.0f, cursor_screen_pos.y - 1.5f);
            if (cursor_is_visible && cursor_screen_rect.Overlaps(clip_rect))
                draw_window->DrawList->AddLine(cursor_screen_rect.Min, cursor_screen_rect.GetBL(), GetColorU32(ImGuiCol_Text));

            if (!is_readonly)
                g.PlatformImePos = ImVec2(cursor_screen_pos.x - 1.0f, cursor_screen_pos.y - g.FontSize);
        }
    }
    else
    {
        if (is_multiline)
            text_size = ImVec2(inner_size.x, InputTextCalcTextLenAndLineCount(buf_display, &buf_display_end) * g.FontSize);     
        else if (!is_displaying_hint && g.ActiveId == id)
            buf_display_end = buf_display + state->CurLenA;
        else if (!is_displaying_hint)
            buf_display_end = buf_display + strlen(buf_display);

        if (is_multiline || (buf_display_end - buf_display) < buf_display_max_length)
        {
            ImU32 col = GetColorU32(is_displaying_hint ? ImGuiCol_TextDisabled : ImGuiCol_Text);
            draw_window->DrawList->AddText(g.Font, g.FontSize, draw_pos, col, buf_display, buf_display_end, 0.0f, is_multiline ? NULL : &clip_rect);
        }
    }

    if (is_password && !is_displaying_hint)
        PopFont();

    if (is_multiline)
    {
        Dummy(ImVec2(text_size.x, text_size.y + style.FramePadding.y));
        EndChild();
        EndGroup();
    }

    if (g.LogEnabled && (!is_password || is_displaying_hint))
    {
        LogSetNextTextDecoration("{", "}");
        LogRenderedText(&draw_pos, buf_display, buf_display_end);
    }

    if (label_size.x > 0)
        RenderText(ImVec2(frame_bb.Min.x, frame_bb.Min.y + style.FramePadding.y - 20.0f), label);
    if (value_changed && !(flags & ImGuiInputTextFlags_NoMarkEdited))
        MarkItemEdited(id);

    IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.ItemFlags);
    if ((flags & ImGuiInputTextFlags_EnterReturnsTrue) != 0)
        return enter_pressed;
    else
        return value_changed;
}


bool ImGui::ColorEdit3(const char* label, float col[3], ImGuiColorEditFlags flags)
{
    return ColorEdit4(label, col, flags | ImGuiColorEditFlags_NoAlpha);
}


bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flags)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    const ImGuiStyle& style = g.Style;
    const float square_sz = GetFrameHeight();
    const float w_full = CalcItemWidth();
    const float w_button = (flags & ImGuiColorEditFlags_NoSmallPreview) ? 0.0f : (square_sz + style.ItemInnerSpacing.x);
    const float w_inputs = w_full - w_button;
    const char* label_display_end = FindRenderedTextEnd(label);
    g.NextItemData.ClearFlags();

    BeginGroup();
    PushID(label);

    window->DC.CursorPos.y += 5.0f;


    const ImGuiColorEditFlags flags_untouched = flags;
    if (flags & ImGuiColorEditFlags_NoInputs)
        flags = (flags & (~ImGuiColorEditFlags__DisplayMask)) | ImGuiColorEditFlags_DisplayRGB | ImGuiColorEditFlags_NoOptions;

    if (!(flags & ImGuiColorEditFlags_NoOptions))
        ColorEditOptionsPopup(col, flags);

    if (!(flags & ImGuiColorEditFlags__DisplayMask))
        flags |= (g.ColorEditOptions & ImGuiColorEditFlags__DisplayMask);
    if (!(flags & ImGuiColorEditFlags__DataTypeMask))
        flags |= (g.ColorEditOptions & ImGuiColorEditFlags__DataTypeMask);
    if (!(flags & ImGuiColorEditFlags__PickerMask))
        flags |= (g.ColorEditOptions & ImGuiColorEditFlags__PickerMask);
    if (!(flags & ImGuiColorEditFlags__InputMask))
        flags |= (g.ColorEditOptions & ImGuiColorEditFlags__InputMask);
    flags |= (g.ColorEditOptions & ~(ImGuiColorEditFlags__DisplayMask | ImGuiColorEditFlags__DataTypeMask | ImGuiColorEditFlags__PickerMask | ImGuiColorEditFlags__InputMask));
    IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiColorEditFlags__DisplayMask));       
    IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiColorEditFlags__InputMask));         

    const bool alpha = (flags & ImGuiColorEditFlags_NoAlpha) == 0;
    const bool hdr = (flags & ImGuiColorEditFlags_HDR) != 0;
    const int components = alpha ? 4 : 3;

    float f[4] = { col[0], col[1], col[2], alpha ? col[3] : 1.0f };
    if ((flags & ImGuiColorEditFlags_InputHSV) && (flags & ImGuiColorEditFlags_DisplayRGB))
        ColorConvertHSVtoRGB(f[0], f[1], f[2], f[0], f[1], f[2]);
    else if ((flags & ImGuiColorEditFlags_InputRGB) && (flags & ImGuiColorEditFlags_DisplayHSV))
    {
        ColorConvertRGBtoHSV(f[0], f[1], f[2], f[0], f[1], f[2]);
        if (memcmp(g.ColorEditLastColor, col, sizeof(float) * 3) == 0)
        {
            if (f[1] == 0)
                f[0] = g.ColorEditLastHue;
            if (f[2] == 0)
                f[1] = g.ColorEditLastSat;
        }
    }
    int i[4] = { IM_F32_TO_INT8_UNBOUND(f[0]), IM_F32_TO_INT8_UNBOUND(f[1]), IM_F32_TO_INT8_UNBOUND(f[2]), IM_F32_TO_INT8_UNBOUND(f[3]) };

    bool value_changed = false;
    bool value_changed_as_float = false;

    ImVec2 pos = window->DC.CursorPos;




    const float inputs_offset_x = (style.ColorButtonPosition == ImGuiDir_Left) ? w_button : 0.0f;
    window->DC.CursorPos.x = pos.x + inputs_offset_x;

    if ((flags & (ImGuiColorEditFlags_DisplayRGB | ImGuiColorEditFlags_DisplayHSV)) != 0 && (flags & ImGuiColorEditFlags_NoInputs) == 0)
    {
        const float w_item_one = ImMax(1.0f, IM_FLOOR((w_inputs - (style.ItemInnerSpacing.x) * (components - 1)) / (float)components));
        const float w_item_last = ImMax(1.0f, IM_FLOOR(w_inputs - (w_item_one + style.ItemInnerSpacing.x) * (components - 1)));

        const bool hide_prefix = (w_item_one <= CalcTextSize((flags & ImGuiColorEditFlags_Float) ? "M:0.000" : "M:000").x);
        static const char* ids[4] = { "##X", "##Y", "##Z", "##W" };
        static const char* fmt_table_int[3][4] =
        {
            {   "%3d",   "%3d",   "%3d",   "%3d" },   
            { "R:%3d", "G:%3d", "B:%3d", "A:%3d" },     
            { "H:%3d", "S:%3d", "V:%3d", "A:%3d" }      
        };
        static const char* fmt_table_float[3][4] =
        {
            {   "%0.3f",   "%0.3f",   "%0.3f",   "%0.3f" },   
            { "R:%0.3f", "G:%0.3f", "B:%0.3f", "A:%0.3f" },     
            { "H:%0.3f", "S:%0.3f", "V:%0.3f", "A:%0.3f" }      
        };
        const int fmt_idx = hide_prefix ? 0 : (flags & ImGuiColorEditFlags_DisplayHSV) ? 2 : 1;

        for (int n = 0; n < components; n++)
        {
            if (n > 0)
                SameLine(0, style.ItemInnerSpacing.x);
            SetNextItemWidth((n + 1 < components) ? w_item_one : w_item_last);

            if (flags & ImGuiColorEditFlags_Float)
            {
                value_changed |= DragFloat(ids[n], &f[n], 1.0f / 255.0f, 0.0f, hdr ? 0.0f : 1.0f, fmt_table_float[fmt_idx][n]);
                value_changed_as_float |= value_changed;
            }
            else
            {
                value_changed |= DragInt(ids[n], &i[n], 1.0f, 0, hdr ? 0 : 255, fmt_table_int[fmt_idx][n]);
            }
            if (!(flags & ImGuiColorEditFlags_NoOptions))
                OpenPopupOnItemClick("context");
        }
    }
    else if ((flags & ImGuiColorEditFlags_DisplayHex) != 0 && (flags & ImGuiColorEditFlags_NoInputs) == 0)
    {
        char buf[64];
        if (alpha)
            ImFormatString(buf, IM_ARRAYSIZE(buf), "#%02X%02X%02X%02X", ImClamp(i[0], 0, 255), ImClamp(i[1], 0, 255), ImClamp(i[2], 0, 255), ImClamp(i[3], 0, 255));
        else
            ImFormatString(buf, IM_ARRAYSIZE(buf), "#%02X%02X%02X", ImClamp(i[0], 0, 255), ImClamp(i[1], 0, 255), ImClamp(i[2], 0, 255));
        SetNextItemWidth(w_inputs);
        if (InputText("##Text", buf, IM_ARRAYSIZE(buf), ImGuiInputTextFlags_CharsHexadecimal | ImGuiInputTextFlags_CharsUppercase))
        {
            value_changed = true;
            char* p = buf;
            while (*p == '#' || ImCharIsBlankA(*p))
                p++;
            i[0] = i[1] = i[2] = i[3] = 0;
            if (alpha)
                sscanf(p, "%02X%02X%02X%02X", (unsigned int*)&i[0], (unsigned int*)&i[1], (unsigned int*)&i[2], (unsigned int*)&i[3]);       
            else
                sscanf(p, "%02X%02X%02X", (unsigned int*)&i[0], (unsigned int*)&i[1], (unsigned int*)&i[2]);
        }
        if (!(flags & ImGuiColorEditFlags_NoOptions))
            OpenPopupOnItemClick("context");
    }
    


    ImGuiWindow* picker_active_window = NULL;
    if (!(flags & ImGuiColorEditFlags_NoSmallPreview))
    {
        const float button_offset_x = ((flags & ImGuiColorEditFlags_NoInputs) || (style.ColorButtonPosition == ImGuiDir_Left)) ? 0.0f : w_inputs + style.ItemInnerSpacing.x;
        window->DC.CursorPos = ImVec2(pos.x + button_offset_x, pos.y - 5.0f);

        const ImVec4 col_v4(col[0], col[1], col[2], alpha ? col[3] : 1.0f);
        if (ColorButton("##ColorButton", col_v4, flags))
        {
            if (!(flags & ImGuiColorEditFlags_NoPicker))
            {
                g.ColorPickerRef = col_v4;
                OpenPopup("picker");
                SetNextWindowPos(window->DC.LastItemRect.GetBL() + ImVec2(-1, style.ItemSpacing.y));
            }
        }
        if (!(flags & ImGuiColorEditFlags_NoOptions))
            OpenPopupOnItemClick("context");

        if (BeginPopup("picker"))
        {
            picker_active_window = g.CurrentWindow;
            if (label != label_display_end)
            {
                TextEx(label, label_display_end);
                Spacing();
            }
            ImGuiColorEditFlags picker_flags_to_forward = ImGuiColorEditFlags__DataTypeMask | ImGuiColorEditFlags__PickerMask | ImGuiColorEditFlags__InputMask | ImGuiColorEditFlags_HDR | ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_AlphaBar;
            ImGuiColorEditFlags picker_flags = (flags_untouched & picker_flags_to_forward) | ImGuiColorEditFlags__DisplayMask | ImGuiColorEditFlags_NoLabel | ImGuiColorEditFlags_AlphaPreviewHalf;
            SetNextItemWidth(square_sz * 12.0f);      
            value_changed |= ColorPicker4("##picker", col, picker_flags, &g.ColorPickerRef.x);
            EndPopup();
        }
    }

    if (label != label_display_end && !(flags & ImGuiColorEditFlags_NoLabel))
    {
        const float text_offset_x = (flags & ImGuiColorEditFlags_NoInputs) ? w_button : w_full + style.ItemInnerSpacing.x;
        window->DC.CursorPos = ImVec2(pos.x + text_offset_x, pos.y + style.FramePadding.y);
        TextEx(label, label_display_end);
    }

    if (value_changed && picker_active_window == NULL)
    {
        if (!value_changed_as_float)
            for (int n = 0; n < 4; n++)
                f[n] = i[n] / 255.0f;
        if ((flags & ImGuiColorEditFlags_DisplayHSV) && (flags & ImGuiColorEditFlags_InputRGB))
        {
            g.ColorEditLastHue = f[0];
            g.ColorEditLastSat = f[1];
            ColorConvertHSVtoRGB(f[0], f[1], f[2], f[0], f[1], f[2]);
            memcpy(g.ColorEditLastColor, f, sizeof(float) * 3);
        }
        if ((flags & ImGuiColorEditFlags_DisplayRGB) && (flags & ImGuiColorEditFlags_InputHSV))
            ColorConvertRGBtoHSV(f[0], f[1], f[2], f[0], f[1], f[2]);

        col[0] = f[0];
        col[1] = f[1];
        col[2] = f[2];
        if (alpha)
            col[3] = f[3];
    }

    PopID();
    EndGroup();


    if ((window->DC.LastItemStatusFlags & ImGuiItemStatusFlags_HoveredRect) && !(flags & ImGuiColorEditFlags_NoDragDrop) && BeginDragDropTarget())
    {
        bool accepted_drag_drop = false;
        if (const ImGuiPayload* payload = AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_3F))
        {
            memcpy((float*)col, payload->Data, sizeof(float) * 3);      
            value_changed = accepted_drag_drop = true;
        }
        if (const ImGuiPayload* payload = AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_4F))
        {
            memcpy((float*)col, payload->Data, sizeof(float) * components);
            value_changed = accepted_drag_drop = true;
        }

        if (accepted_drag_drop && (flags & ImGuiColorEditFlags_InputHSV))
            ColorConvertRGBtoHSV(col[0], col[1], col[2], col[0], col[1], col[2]);
        EndDragDropTarget();
    }

    if (picker_active_window && g.ActiveId != 0 && g.ActiveIdWindow == picker_active_window)
        window->DC.LastItemId = g.ActiveId;

    if (value_changed)
        MarkItemEdited(window->DC.LastItemId);


    window->DC.CursorPos.y += 10.0f;
    return value_changed;
}


bool ImGui::ColorPicker3(const char* label, float col[3], ImGuiColorEditFlags flags)
{
    float col4[4] = { col[0], col[1], col[2], 1.0f };
    if (!ColorPicker4(label, col4, flags | ImGuiColorEditFlags_NoAlpha))
        return false;
    col[0] = col4[0]; col[1] = col4[1]; col[2] = col4[2];
    return true;
}

static void RenderArrowsForVerticalBar(ImDrawList* draw_list, ImVec2 pos, ImVec2 half_sz, float bar_w, float alpha)
{
    ImU32 alpha8 = IM_F32_TO_INT8_SAT(alpha);
    ImGui::RenderArrowPointingAt(draw_list, ImVec2(pos.x + half_sz.x + 1,         pos.y), ImVec2(half_sz.x + 2, half_sz.y + 1), ImGuiDir_Right, IM_COL32(0,0,0,alpha8));
    ImGui::RenderArrowPointingAt(draw_list, ImVec2(pos.x + half_sz.x,             pos.y), half_sz,                              ImGuiDir_Right, IM_COL32(255,255,255,alpha8));
    ImGui::RenderArrowPointingAt(draw_list, ImVec2(pos.x + bar_w - half_sz.x - 1, pos.y), ImVec2(half_sz.x + 2, half_sz.y + 1), ImGuiDir_Left,  IM_COL32(0,0,0,alpha8));
    ImGui::RenderArrowPointingAt(draw_list, ImVec2(pos.x + bar_w - half_sz.x,     pos.y), half_sz,                              ImGuiDir_Left,  IM_COL32(255,255,255,alpha8));
}

bool ImGui::ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags flags, const float* ref_col)   
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImDrawList* draw_list = window->DrawList;
    ImGuiStyle& style = g.Style;
    ImGuiIO& io = g.IO;

    const float width = CalcItemWidth();
    g.NextItemData.ClearFlags();

    PushID(label);
    BeginGroup();

    if (!(flags & ImGuiColorEditFlags_NoSidePreview))
        flags |= ImGuiColorEditFlags_NoSmallPreview;

    if (!(flags & ImGuiColorEditFlags_NoOptions))
        ColorPickerOptionsPopup(col, flags);

    if (!(flags & ImGuiColorEditFlags__PickerMask))
        flags |= ((g.ColorEditOptions & ImGuiColorEditFlags__PickerMask) ? g.ColorEditOptions : ImGuiColorEditFlags__OptionsDefault) & ImGuiColorEditFlags__PickerMask;
    if (!(flags & ImGuiColorEditFlags__InputMask))
        flags |= ((g.ColorEditOptions & ImGuiColorEditFlags__InputMask) ? g.ColorEditOptions : ImGuiColorEditFlags__OptionsDefault) & ImGuiColorEditFlags__InputMask;
    IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiColorEditFlags__PickerMask));       
    IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiColorEditFlags__InputMask));        
    if (!(flags & ImGuiColorEditFlags_NoOptions))
        flags |= (g.ColorEditOptions & ImGuiColorEditFlags_AlphaBar);

    int components = (flags & ImGuiColorEditFlags_NoAlpha) ? 3 : 4;
    bool alpha_bar = (flags & ImGuiColorEditFlags_AlphaBar) && !(flags & ImGuiColorEditFlags_NoAlpha);
    ImVec2 picker_pos = window->DC.CursorPos;
    float square_sz = GetFrameHeight();
    float bars_width = square_sz;        
    float sv_picker_size = ImMax(bars_width * 1, width - (alpha_bar ? 2 : 1) * (bars_width + style.ItemInnerSpacing.x));    
    float bar0_pos_x = picker_pos.x + sv_picker_size + style.ItemInnerSpacing.x;
    float bar1_pos_x = bar0_pos_x + bars_width + style.ItemInnerSpacing.x;
    float bars_triangles_half_sz = IM_FLOOR(bars_width * 0.20f);

    float backup_initial_col[4];
    memcpy(backup_initial_col, col, components * sizeof(float));

    float wheel_thickness = sv_picker_size * 0.08f;
    float wheel_r_outer = sv_picker_size * 0.50f;
    float wheel_r_inner = wheel_r_outer - wheel_thickness;
    ImVec2 wheel_center(picker_pos.x + (sv_picker_size + bars_width)*0.5f, picker_pos.y + sv_picker_size * 0.5f);

    float triangle_r = wheel_r_inner - (int)(sv_picker_size * 0.027f);
    ImVec2 triangle_pa = ImVec2(triangle_r, 0.0f);   
    ImVec2 triangle_pb = ImVec2(triangle_r * -0.5f, triangle_r * -0.866025f);   
    ImVec2 triangle_pc = ImVec2(triangle_r * -0.5f, triangle_r * +0.866025f);   

    float H = col[0], S = col[1], V = col[2];
    float R = col[0], G = col[1], B = col[2];
    if (flags & ImGuiColorEditFlags_InputRGB)
    {
        ColorConvertRGBtoHSV(R, G, B, H, S, V);
        if (memcmp(g.ColorEditLastColor, col, sizeof(float) * 3) == 0)
        {
            if (S == 0)
                H = g.ColorEditLastHue;
            if (V == 0)
                S = g.ColorEditLastSat;
        }
    }
    else if (flags & ImGuiColorEditFlags_InputHSV)
    {
        ColorConvertHSVtoRGB(H, S, V, R, G, B);
    }

    bool value_changed = false, value_changed_h = false, value_changed_sv = false;

    PushItemFlag(ImGuiItemFlags_NoNav, true);
    if (flags & ImGuiColorEditFlags_PickerHueWheel)
    {
        InvisibleButton("hsv", ImVec2(sv_picker_size + style.ItemInnerSpacing.x + bars_width, sv_picker_size));
        if (IsItemActive())
        {
            ImVec2 initial_off = g.IO.MouseClickedPos[0] - wheel_center;
            ImVec2 current_off = g.IO.MousePos - wheel_center;
            float initial_dist2 = ImLengthSqr(initial_off);
            if (initial_dist2 >= (wheel_r_inner - 1) * (wheel_r_inner - 1) && initial_dist2 <= (wheel_r_outer + 1) * (wheel_r_outer + 1))
            {
                H = ImAtan2(current_off.y, current_off.x) / IM_PI * 0.5f;
                if (H < 0.0f)
                    H += 1.0f;
                value_changed = value_changed_h = true;
            }
            float cos_hue_angle = ImCos(-H * 2.0f * IM_PI);
            float sin_hue_angle = ImSin(-H * 2.0f * IM_PI);
            if (ImTriangleContainsPoint(triangle_pa, triangle_pb, triangle_pc, ImRotate(initial_off, cos_hue_angle, sin_hue_angle)))
            {
                ImVec2 current_off_unrotated = ImRotate(current_off, cos_hue_angle, sin_hue_angle);
                if (!ImTriangleContainsPoint(triangle_pa, triangle_pb, triangle_pc, current_off_unrotated))
                    current_off_unrotated = ImTriangleClosestPoint(triangle_pa, triangle_pb, triangle_pc, current_off_unrotated);
                float uu, vv, ww;
                ImTriangleBarycentricCoords(triangle_pa, triangle_pb, triangle_pc, current_off_unrotated, uu, vv, ww);
                V = ImClamp(1.0f - vv, 0.0001f, 1.0f);
                S = ImClamp(uu / V, 0.0001f, 1.0f);
                value_changed = value_changed_sv = true;
            }
        }
        if (!(flags & ImGuiColorEditFlags_NoOptions))
            OpenPopupOnItemClick("context");
    }
    else if (flags & ImGuiColorEditFlags_PickerHueBar)
    {
        InvisibleButton("sv", ImVec2(sv_picker_size, sv_picker_size));
        if (IsItemActive())
        {
            S = ImSaturate((io.MousePos.x - picker_pos.x) / (sv_picker_size - 1));
            V = 1.0f - ImSaturate((io.MousePos.y - picker_pos.y) / (sv_picker_size - 1));
            value_changed = value_changed_sv = true;
        }
        if (!(flags & ImGuiColorEditFlags_NoOptions))
            OpenPopupOnItemClick("context");

        SetCursorScreenPos(ImVec2(bar0_pos_x, picker_pos.y));
        InvisibleButton("hue", ImVec2(bars_width, sv_picker_size));
        if (IsItemActive())
        {
            H = ImSaturate((io.MousePos.y - picker_pos.y) / (sv_picker_size - 1));
            value_changed = value_changed_h = true;
        }
    }
    
    if (alpha_bar)
    {
        SetCursorScreenPos(ImVec2(bar1_pos_x, picker_pos.y));
        InvisibleButton("alpha", ImVec2(bars_width, sv_picker_size));
        if (IsItemActive())
        {
            col[3] = 1.0f - ImSaturate((io.MousePos.y - picker_pos.y) / (sv_picker_size - 1));
            value_changed = true;
        }
    }
    PopItemFlag();  

    if (!(flags & ImGuiColorEditFlags_NoSidePreview))
    {
        SameLine(0, style.ItemInnerSpacing.x);
        BeginGroup();
    }

    if (!(flags & ImGuiColorEditFlags_NoLabel))
    {
        const char* label_display_end = FindRenderedTextEnd(label);
        if (label != label_display_end)
        {
            if ((flags & ImGuiColorEditFlags_NoSidePreview))
                SameLine(0, style.ItemInnerSpacing.x);
            TextEx(label, label_display_end);
        }
    }

    if (!(flags & ImGuiColorEditFlags_NoSidePreview))
    {
        PushItemFlag(ImGuiItemFlags_NoNavDefaultFocus, true);
        ImVec4 col_v4(col[0], col[1], col[2], (flags & ImGuiColorEditFlags_NoAlpha) ? 1.0f : col[3]);
        if ((flags & ImGuiColorEditFlags_NoLabel))
            Text("Current");

        ImGuiColorEditFlags sub_flags_to_forward = ImGuiColorEditFlags__InputMask | ImGuiColorEditFlags_HDR | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf | ImGuiColorEditFlags_NoTooltip;
        ColorButton("##current", col_v4, (flags & sub_flags_to_forward), ImVec2(square_sz * 3, square_sz * 2));
        if (ref_col != NULL)
        {
            Text("Original");
            ImVec4 ref_col_v4(ref_col[0], ref_col[1], ref_col[2], (flags & ImGuiColorEditFlags_NoAlpha) ? 1.0f : ref_col[3]);
            if (ColorButton("##original", ref_col_v4, (flags & sub_flags_to_forward), ImVec2(square_sz * 3, square_sz * 2)))
            {
                memcpy(col, ref_col, components * sizeof(float));
                value_changed = true;
            }
        }
        PopItemFlag();
        EndGroup();
    }

    if (value_changed_h || value_changed_sv)
    {
        if (flags & ImGuiColorEditFlags_InputRGB)
        {
            ColorConvertHSVtoRGB(H >= 1.0f ? H - 10 * 1e-6f : H, S > 0.0f ? S : 10 * 1e-6f, V > 0.0f ? V : 1e-6f, col[0], col[1], col[2]);
            g.ColorEditLastHue = H;
            g.ColorEditLastSat = S;
            memcpy(g.ColorEditLastColor, col, sizeof(float) * 3);
        }
        else if (flags & ImGuiColorEditFlags_InputHSV)
        {
            col[0] = H;
            col[1] = S;
            col[2] = V;
        }
    }

    bool value_changed_fix_hue_wrap = false;
    if ((flags & ImGuiColorEditFlags_NoInputs) == 0)
    {
        PushItemWidth((alpha_bar ? bar1_pos_x : bar0_pos_x) + bars_width - picker_pos.x);
        ImGuiColorEditFlags sub_flags_to_forward = ImGuiColorEditFlags__DataTypeMask | ImGuiColorEditFlags__InputMask | ImGuiColorEditFlags_HDR | ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_NoOptions | ImGuiColorEditFlags_NoSmallPreview | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf;
        ImGuiColorEditFlags sub_flags = (flags & sub_flags_to_forward) | ImGuiColorEditFlags_NoPicker;
        if (flags & ImGuiColorEditFlags_DisplayRGB || (flags & ImGuiColorEditFlags__DisplayMask) == 0)
            if (ColorEdit4("##rgb", col, sub_flags | ImGuiColorEditFlags_DisplayRGB))
            {
                value_changed_fix_hue_wrap = (g.ActiveId != 0 && !g.ActiveIdAllowOverlap);
                value_changed = true;
            }
        if (flags & ImGuiColorEditFlags_DisplayHSV || (flags & ImGuiColorEditFlags__DisplayMask) == 0)
            value_changed |= ColorEdit4("##hsv", col, sub_flags | ImGuiColorEditFlags_DisplayHSV);
        if (flags & ImGuiColorEditFlags_DisplayHex || (flags & ImGuiColorEditFlags__DisplayMask) == 0)
            value_changed |= ColorEdit4("##hex", col, sub_flags | ImGuiColorEditFlags_DisplayHex);
        PopItemWidth();
    }

    if (value_changed_fix_hue_wrap && (flags & ImGuiColorEditFlags_InputRGB))
    {
        float new_H, new_S, new_V;
        ColorConvertRGBtoHSV(col[0], col[1], col[2], new_H, new_S, new_V);
        if (new_H <= 0 && H > 0)
        {
            if (new_V <= 0 && V != new_V)
                ColorConvertHSVtoRGB(H, S, new_V <= 0 ? V * 0.5f : new_V, col[0], col[1], col[2]);
            else if (new_S <= 0)
                ColorConvertHSVtoRGB(H, new_S <= 0 ? S * 0.5f : new_S, new_V, col[0], col[1], col[2]);
        }
    }

    if (value_changed)
    {
        if (flags & ImGuiColorEditFlags_InputRGB)
        {
            R = col[0];
            G = col[1];
            B = col[2];
            ColorConvertRGBtoHSV(R, G, B, H, S, V);
            if (memcmp(g.ColorEditLastColor, col, sizeof(float) * 3) == 0)           
            {
                if (S == 0)
                    H = g.ColorEditLastHue;
                if (V == 0)
                    S = g.ColorEditLastSat;
            }
        }
        else if (flags & ImGuiColorEditFlags_InputHSV)
        {
            H = col[0];
            S = col[1];
            V = col[2];
            ColorConvertHSVtoRGB(H, S, V, R, G, B);
        }
    }

    const int style_alpha8 = IM_F32_TO_INT8_SAT(style.Alpha);
    const ImU32 col_black = IM_COL32(0,0,0,style_alpha8);
    const ImU32 col_white = IM_COL32(255,255,255,style_alpha8);
    const ImU32 col_midgrey = IM_COL32(128,128,128,style_alpha8);
    const ImU32 col_hues[6 + 1] = { IM_COL32(255,0,0,style_alpha8), IM_COL32(255,255,0,style_alpha8), IM_COL32(0,255,0,style_alpha8), IM_COL32(0,255,255,style_alpha8), IM_COL32(0,0,255,style_alpha8), IM_COL32(255,0,255,style_alpha8), IM_COL32(255,0,0,style_alpha8) };

    ImVec4 hue_color_f(1, 1, 1, style.Alpha); ColorConvertHSVtoRGB(H, 1, 1, hue_color_f.x, hue_color_f.y, hue_color_f.z);
    ImU32 hue_color32 = ColorConvertFloat4ToU32(hue_color_f);
    ImU32 user_col32_striped_of_alpha = ColorConvertFloat4ToU32(ImVec4(R, G, B, style.Alpha));          

    ImVec2 sv_cursor_pos;

    if (flags & ImGuiColorEditFlags_PickerHueWheel)
    {
        const float aeps = 0.5f / wheel_r_outer;           
        const int segment_per_arc = ImMax(4, (int)wheel_r_outer / 12);
        for (int n = 0; n < 6; n++)
        {
            const float a0 = (n)     /6.0f * 2.0f * IM_PI - aeps;
            const float a1 = (n+1.0f)/6.0f * 2.0f * IM_PI + aeps;
            const int vert_start_idx = draw_list->VtxBuffer.Size;
            draw_list->PathArcTo(wheel_center, (wheel_r_inner + wheel_r_outer)*0.5f, a0, a1, segment_per_arc);
            draw_list->PathStroke(col_white, false, wheel_thickness);
            const int vert_end_idx = draw_list->VtxBuffer.Size;

            ImVec2 gradient_p0(wheel_center.x + ImCos(a0) * wheel_r_inner, wheel_center.y + ImSin(a0) * wheel_r_inner);
            ImVec2 gradient_p1(wheel_center.x + ImCos(a1) * wheel_r_inner, wheel_center.y + ImSin(a1) * wheel_r_inner);
            ShadeVertsLinearColorGradientKeepAlpha(draw_list, vert_start_idx, vert_end_idx, gradient_p0, gradient_p1, col_hues[n], col_hues[n + 1]);
        }

        float cos_hue_angle = ImCos(H * 2.0f * IM_PI);
        float sin_hue_angle = ImSin(H * 2.0f * IM_PI);
        ImVec2 hue_cursor_pos(wheel_center.x + cos_hue_angle * (wheel_r_inner + wheel_r_outer) * 0.5f, wheel_center.y + sin_hue_angle * (wheel_r_inner + wheel_r_outer) * 0.5f);
        float hue_cursor_rad = value_changed_h ? wheel_thickness * 0.65f : wheel_thickness * 0.55f;
        int hue_cursor_segments = ImClamp((int)(hue_cursor_rad / 1.4f), 9, 32);
        draw_list->AddCircleFilled(hue_cursor_pos, hue_cursor_rad, hue_color32, hue_cursor_segments);
        draw_list->AddCircle(hue_cursor_pos, hue_cursor_rad + 1, col_midgrey, hue_cursor_segments);
        draw_list->AddCircle(hue_cursor_pos, hue_cursor_rad, col_white, hue_cursor_segments);

        ImVec2 tra = wheel_center + ImRotate(triangle_pa, cos_hue_angle, sin_hue_angle);
        ImVec2 trb = wheel_center + ImRotate(triangle_pb, cos_hue_angle, sin_hue_angle);
        ImVec2 trc = wheel_center + ImRotate(triangle_pc, cos_hue_angle, sin_hue_angle);
        ImVec2 uv_white = GetFontTexUvWhitePixel();
        draw_list->PrimReserve(6, 6);
        draw_list->PrimVtx(tra, uv_white, hue_color32);
        draw_list->PrimVtx(trb, uv_white, hue_color32);
        draw_list->PrimVtx(trc, uv_white, col_white);
        draw_list->PrimVtx(tra, uv_white, 0);
        draw_list->PrimVtx(trb, uv_white, col_black);
        draw_list->PrimVtx(trc, uv_white, 0);
        draw_list->AddTriangle(tra, trb, trc, col_midgrey, 1.5f);
        sv_cursor_pos = ImLerp(ImLerp(trc, tra, ImSaturate(S)), trb, ImSaturate(1 - V));
    }
    else if (flags & ImGuiColorEditFlags_PickerHueBar)
    {
        draw_list->AddRectFilledMultiColor(picker_pos, picker_pos + ImVec2(sv_picker_size, sv_picker_size), col_white, hue_color32, hue_color32, col_white);
        draw_list->AddRectFilledMultiColor(picker_pos, picker_pos + ImVec2(sv_picker_size, sv_picker_size), 0, 0, col_black, col_black);
        RenderFrameBorder(picker_pos, picker_pos + ImVec2(sv_picker_size, sv_picker_size), 0.0f);
        sv_cursor_pos.x = ImClamp(IM_ROUND(picker_pos.x + ImSaturate(S)     * sv_picker_size), picker_pos.x + 2, picker_pos.x + sv_picker_size - 2);          
        sv_cursor_pos.y = ImClamp(IM_ROUND(picker_pos.y + ImSaturate(1 - V) * sv_picker_size), picker_pos.y + 2, picker_pos.y + sv_picker_size - 2);

        for (int i = 0; i < 6; ++i)
            draw_list->AddRectFilledMultiColor(ImVec2(bar0_pos_x, picker_pos.y + i * (sv_picker_size / 6)), ImVec2(bar0_pos_x + bars_width, picker_pos.y + (i + 1) * (sv_picker_size / 6)), col_hues[i], col_hues[i], col_hues[i + 1], col_hues[i + 1]);
        float bar0_line_y = IM_ROUND(picker_pos.y + H * sv_picker_size);
        RenderFrameBorder(ImVec2(bar0_pos_x, picker_pos.y), ImVec2(bar0_pos_x + bars_width, picker_pos.y + sv_picker_size), 0.0f);
        RenderArrowsForVerticalBar(draw_list, ImVec2(bar0_pos_x - 1, bar0_line_y), ImVec2(bars_triangles_half_sz + 1, bars_triangles_half_sz), bars_width + 2.0f, style.Alpha);
    }
    
    float sv_cursor_rad = value_changed_sv ? 10.0f : 6.0f;
    draw_list->AddCircleFilled(sv_cursor_pos, sv_cursor_rad, user_col32_striped_of_alpha, 12);
    draw_list->AddCircle(sv_cursor_pos, sv_cursor_rad + 1, col_midgrey, 12);
    draw_list->AddCircle(sv_cursor_pos, sv_cursor_rad, col_white, 12);

    if (alpha_bar)
    {
        float alpha = ImSaturate(col[3]);
        ImRect bar1_bb(bar1_pos_x, picker_pos.y, bar1_pos_x + bars_width, picker_pos.y + sv_picker_size);
        RenderColorRectWithAlphaCheckerboard(draw_list, bar1_bb.Min, bar1_bb.Max, 0, bar1_bb.GetWidth() / 2.0f, ImVec2(0.0f, 0.0f));
        draw_list->AddRectFilledMultiColor(bar1_bb.Min, bar1_bb.Max, user_col32_striped_of_alpha, user_col32_striped_of_alpha, user_col32_striped_of_alpha & ~IM_COL32_A_MASK, user_col32_striped_of_alpha & ~IM_COL32_A_MASK);
        float bar1_line_y = IM_ROUND(picker_pos.y + (1.0f - alpha) * sv_picker_size);
        RenderFrameBorder(bar1_bb.Min, bar1_bb.Max, 0.0f);
        RenderArrowsForVerticalBar(draw_list, ImVec2(bar1_pos_x - 1, bar1_line_y), ImVec2(bars_triangles_half_sz + 1, bars_triangles_half_sz), bars_width + 2.0f, style.Alpha);
    }

    EndGroup();

    if (value_changed && memcmp(backup_initial_col, col, components * sizeof(float)) == 0)
        value_changed = false;
    if (value_changed)
        MarkItemEdited(window->DC.LastItemId);
        
    PopID();

    return value_changed;
}


bool ImGui::ColorButton(const char* desc_id, const ImVec4& col, ImGuiColorEditFlags flags, ImVec2 size)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    const ImGuiID id = window->GetID(desc_id);
    float default_size = GetFrameHeight();
    if (size.x == 0.0f)
        size.x = default_size;
    if (size.y == 0.0f)
        size.y = default_size;
    const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + size);
    ItemSize(bb, (size.y >= default_size) ? g.Style.FramePadding.y : 0.0f);
    if (!ItemAdd(bb, id))
        return false;

    

    bool hovered, held;
    bool pressed = ButtonBehavior(bb, id, &hovered, &held);

    if (flags & ImGuiColorEditFlags_NoAlpha)
        flags &= ~(ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf);

    ImVec4 col_rgb = col;
    if (flags & ImGuiColorEditFlags_InputHSV)
        ColorConvertHSVtoRGB(col_rgb.x, col_rgb.y, col_rgb.z, col_rgb.x, col_rgb.y, col_rgb.z);

    ImVec4 col_rgb_without_alpha(col_rgb.x, col_rgb.y, col_rgb.z, 1.0f);
    float grid_step = ImMin(size.x, size.y) / 2.99f;
    float rounding = ImMin(g.Style.FrameRounding, grid_step * 0.5f);
    ImRect bb_inner = bb;
    float off = 0.0f;
    if ((flags & ImGuiColorEditFlags_NoBorder) == 0)
    {
        off = -0.75f;                             
        bb_inner.Expand(off);
    }

    RenderFrame(bb_inner.Min - ImVec2(1, 1), bb_inner.Max - ImVec2(0, 0), colWhite, true, 0);
    RenderFrame(bb_inner.Min + ImVec2(0, 0), bb_inner.Max + ImVec2(1, 1), colBlack, true, 0);
    if ((flags & ImGuiColorEditFlags_AlphaPreviewHalf) && col_rgb.w < 1.0f)
    {
        float mid_x = IM_ROUND((bb_inner.Min.x + bb_inner.Max.x) * 0.5f);
        RenderColorRectWithAlphaCheckerboard(window->DrawList, ImVec2(bb_inner.Min.x + grid_step, bb_inner.Min.y), bb_inner.Max, GetColorU32(col_rgb), grid_step, ImVec2(-grid_step + off, off), rounding, ImDrawCornerFlags_TopRight | ImDrawCornerFlags_BotRight);
        window->DrawList->AddRectFilled(bb_inner.Min, ImVec2(mid_x, bb_inner.Max.y), GetColorU32(col_rgb_without_alpha), rounding, ImDrawCornerFlags_TopLeft | ImDrawCornerFlags_BotLeft);
    }
    else
    {
        ImVec4 col_source = (flags & ImGuiColorEditFlags_AlphaPreview) ? col_rgb : col_rgb_without_alpha;
        if (col_source.w < 1.0f)
            RenderColorRectWithAlphaCheckerboard(window->DrawList, bb_inner.Min, bb_inner.Max, GetColorU32(col_source), grid_step, ImVec2(off, off), rounding);
        else
            window->DrawList->AddRectFilled(bb_inner.Min, bb_inner.Max, GetColorU32(col_source), rounding, ImDrawCornerFlags_All);
    }
    RenderNavHighlight(bb, id);

   

    if (g.ActiveId == id && !(flags & ImGuiColorEditFlags_NoDragDrop) && BeginDragDropSource())
    {
        if (flags & ImGuiColorEditFlags_NoAlpha)
            SetDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_3F, &col_rgb, sizeof(float) * 3, ImGuiCond_Once);
        else
            SetDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_4F, &col_rgb, sizeof(float) * 4, ImGuiCond_Once);
        ColorButton(desc_id, col, flags);
        SameLine();
        TextEx("Color");
        EndDragDropSource();
    }

    if (!(flags & ImGuiColorEditFlags_NoTooltip) && hovered)
        ColorTooltip(desc_id, &col.x, flags & (ImGuiColorEditFlags__InputMask | ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf));

    return pressed;
}

void ImGui::SetColorEditOptions(ImGuiColorEditFlags flags)
{
    ImGuiContext& g = *GImGui;
    if ((flags & ImGuiColorEditFlags__DisplayMask) == 0)
        flags |= ImGuiColorEditFlags__OptionsDefault & ImGuiColorEditFlags__DisplayMask;
    if ((flags & ImGuiColorEditFlags__DataTypeMask) == 0)
        flags |= ImGuiColorEditFlags__OptionsDefault & ImGuiColorEditFlags__DataTypeMask;
    if ((flags & ImGuiColorEditFlags__PickerMask) == 0)
        flags |= ImGuiColorEditFlags__OptionsDefault & ImGuiColorEditFlags__PickerMask;
    if ((flags & ImGuiColorEditFlags__InputMask) == 0)
        flags |= ImGuiColorEditFlags__OptionsDefault & ImGuiColorEditFlags__InputMask;
    IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiColorEditFlags__DisplayMask));          
    IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiColorEditFlags__DataTypeMask));         
    IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiColorEditFlags__PickerMask));           
    IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiColorEditFlags__InputMask));            
    g.ColorEditOptions = flags;
}

void ImGui::ColorTooltip(const char* text, const float* col, ImGuiColorEditFlags flags)
{
    ImGuiContext& g = *GImGui;

    BeginTooltipEx(0, ImGuiTooltipFlags_OverridePreviousTooltip);
    const char* text_end = text ? FindRenderedTextEnd(text, NULL) : text;
    if (text_end > text)
    {
        TextEx(text, text_end);
        Separator();
    }

    ImVec2 sz(g.FontSize * 3 + g.Style.FramePadding.y * 2, g.FontSize * 3 + g.Style.FramePadding.y * 2);
    ImVec4 cf(col[0], col[1], col[2], (flags & ImGuiColorEditFlags_NoAlpha) ? 1.0f : col[3]);
    int cr = IM_F32_TO_INT8_SAT(col[0]), cg = IM_F32_TO_INT8_SAT(col[1]), cb = IM_F32_TO_INT8_SAT(col[2]), ca = (flags & ImGuiColorEditFlags_NoAlpha) ? 255 : IM_F32_TO_INT8_SAT(col[3]);
    ColorButton("##preview", cf, (flags & (ImGuiColorEditFlags__InputMask | ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf)) | ImGuiColorEditFlags_NoTooltip, sz);
    SameLine();
    if ((flags & ImGuiColorEditFlags_InputRGB) || !(flags & ImGuiColorEditFlags__InputMask))
    {
        if (flags & ImGuiColorEditFlags_NoAlpha)
            Text("#%02X%02X%02X\nR: %d, G: %d, B: %d\n(%.3f, %.3f, %.3f)", cr, cg, cb, cr, cg, cb, col[0], col[1], col[2]);
        else
            Text("#%02X%02X%02X%02X\nR:%d, G:%d, B:%d, A:%d\n(%.3f, %.3f, %.3f, %.3f)", cr, cg, cb, ca, cr, cg, cb, ca, col[0], col[1], col[2], col[3]);
    }
    else if (flags & ImGuiColorEditFlags_InputHSV)
    {
        if (flags & ImGuiColorEditFlags_NoAlpha)
            Text("H: %.3f, S: %.3f, V: %.3f", col[0], col[1], col[2]);
        else
            Text("H: %.3f, S: %.3f, V: %.3f, A: %.3f", col[0], col[1], col[2], col[3]);
    }
    EndTooltip();
}

void ImGui::ColorEditOptionsPopup(const float* col, ImGuiColorEditFlags flags)
{
    bool allow_opt_inputs = !(flags & ImGuiColorEditFlags__DisplayMask);
    bool allow_opt_datatype = !(flags & ImGuiColorEditFlags__DataTypeMask);
    if ((!allow_opt_inputs && !allow_opt_datatype) || !BeginPopup("context"))
        return;
    ImGuiContext& g = *GImGui;
    ImGuiColorEditFlags opts = g.ColorEditOptions;
    if (allow_opt_inputs)
    {
        if (RadioButton("RGB", (opts & ImGuiColorEditFlags_DisplayRGB) != 0)) opts = (opts & ~ImGuiColorEditFlags__DisplayMask) | ImGuiColorEditFlags_DisplayRGB;
        if (RadioButton("HSV", (opts & ImGuiColorEditFlags_DisplayHSV) != 0)) opts = (opts & ~ImGuiColorEditFlags__DisplayMask) | ImGuiColorEditFlags_DisplayHSV;
        if (RadioButton("Hex", (opts & ImGuiColorEditFlags_DisplayHex) != 0)) opts = (opts & ~ImGuiColorEditFlags__DisplayMask) | ImGuiColorEditFlags_DisplayHex;
    }
    if (allow_opt_datatype)
    {
        if (allow_opt_inputs) Separator();
        if (RadioButton("0..255",     (opts & ImGuiColorEditFlags_Uint8) != 0)) opts = (opts & ~ImGuiColorEditFlags__DataTypeMask) | ImGuiColorEditFlags_Uint8;
        if (RadioButton("0.00..1.00", (opts & ImGuiColorEditFlags_Float) != 0)) opts = (opts & ~ImGuiColorEditFlags__DataTypeMask) | ImGuiColorEditFlags_Float;
    }

    if (allow_opt_inputs || allow_opt_datatype)
        Separator();
    if (Button("Copy as..", ImVec2(-1, 0)))
        OpenPopup("Copy");
    if (BeginPopup("Copy"))
    {
        int cr = IM_F32_TO_INT8_SAT(col[0]), cg = IM_F32_TO_INT8_SAT(col[1]), cb = IM_F32_TO_INT8_SAT(col[2]), ca = (flags & ImGuiColorEditFlags_NoAlpha) ? 255 : IM_F32_TO_INT8_SAT(col[3]);
        char buf[64];
        ImFormatString(buf, IM_ARRAYSIZE(buf), "(%.3ff, %.3ff, %.3ff, %.3ff)", col[0], col[1], col[2], (flags & ImGuiColorEditFlags_NoAlpha) ? 1.0f : col[3]);
        if (Selectable(buf))
            SetClipboardText(buf);
        ImFormatString(buf, IM_ARRAYSIZE(buf), "(%d,%d,%d,%d)", cr, cg, cb, ca);
        if (Selectable(buf))
            SetClipboardText(buf);
        ImFormatString(buf, IM_ARRAYSIZE(buf), "#%02X%02X%02X", cr, cg, cb);
        if (Selectable(buf))
            SetClipboardText(buf);
        if (!(flags & ImGuiColorEditFlags_NoAlpha))
        {
            ImFormatString(buf, IM_ARRAYSIZE(buf), "#%02X%02X%02X%02X", cr, cg, cb, ca);
            if (Selectable(buf))
                SetClipboardText(buf);
        }
        EndPopup();
    }

    g.ColorEditOptions = opts;
    EndPopup();
}

void ImGui::ColorPickerOptionsPopup(const float* ref_col, ImGuiColorEditFlags flags)
{
    bool allow_opt_picker = !(flags & ImGuiColorEditFlags__PickerMask);
    bool allow_opt_alpha_bar = !(flags & ImGuiColorEditFlags_NoAlpha) && !(flags & ImGuiColorEditFlags_AlphaBar);
    if ((!allow_opt_picker && !allow_opt_alpha_bar) || !BeginPopup("context"))
        return;
    ImGuiContext& g = *GImGui;
    if (allow_opt_picker)
    {
        ImVec2 picker_size(g.FontSize * 8, ImMax(g.FontSize * 8 - (GetFrameHeight() + g.Style.ItemInnerSpacing.x), 1.0f));         
        PushItemWidth(picker_size.x);
        for (int picker_type = 0; picker_type < 2; picker_type++)
        {
            if (picker_type > 0) Separator();
            PushID(picker_type);
            ImGuiColorEditFlags picker_flags = ImGuiColorEditFlags_NoInputs | ImGuiColorEditFlags_NoOptions | ImGuiColorEditFlags_NoLabel | ImGuiColorEditFlags_NoSidePreview | (flags & ImGuiColorEditFlags_NoAlpha);
            if (picker_type == 0) picker_flags |= ImGuiColorEditFlags_PickerHueBar;
            if (picker_type == 1) picker_flags |= ImGuiColorEditFlags_PickerHueWheel;
            ImVec2 backup_pos = GetCursorScreenPos();
            if (Selectable("##selectable", false, 0, picker_size))       
                g.ColorEditOptions = (g.ColorEditOptions & ~ImGuiColorEditFlags__PickerMask) | (picker_flags & ImGuiColorEditFlags__PickerMask);
            SetCursorScreenPos(backup_pos);
            ImVec4 previewing_ref_col;
            memcpy(&previewing_ref_col, ref_col, sizeof(float) * ((picker_flags & ImGuiColorEditFlags_NoAlpha) ? 3 : 4));
            ColorPicker4("##previewing_picker", &previewing_ref_col.x, picker_flags);
            PopID();
        }
        PopItemWidth();
    }
    if (allow_opt_alpha_bar)
    {
        if (allow_opt_picker) Separator();
        CheckboxFlags("Alpha Bar", &g.ColorEditOptions, ImGuiColorEditFlags_AlphaBar);
    }
    EndPopup();
}

bool ImGui::TreeNode(const char* str_id, const char* fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    bool is_open = TreeNodeExV(str_id, 0, fmt, args);
    va_end(args);
    return is_open;
}

bool ImGui::TreeNode(const void* ptr_id, const char* fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    bool is_open = TreeNodeExV(ptr_id, 0, fmt, args);
    va_end(args);
    return is_open;
}

bool ImGui::TreeNode(const char* label)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;
    return TreeNodeBehavior(window->GetID(label), 0, label, NULL);
}

bool ImGui::TreeNodeV(const char* str_id, const char* fmt, va_list args)
{
    return TreeNodeExV(str_id, 0, fmt, args);
}

bool ImGui::TreeNodeV(const void* ptr_id, const char* fmt, va_list args)
{
    return TreeNodeExV(ptr_id, 0, fmt, args);
}

bool ImGui::TreeNodeEx(const char* label, ImGuiTreeNodeFlags flags)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    return TreeNodeBehavior(window->GetID(label), flags, label, NULL);
}

bool ImGui::TreeNodeEx(const char* str_id, ImGuiTreeNodeFlags flags, const char* fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    bool is_open = TreeNodeExV(str_id, flags, fmt, args);
    va_end(args);
    return is_open;
}

bool ImGui::TreeNodeEx(const void* ptr_id, ImGuiTreeNodeFlags flags, const char* fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    bool is_open = TreeNodeExV(ptr_id, flags, fmt, args);
    va_end(args);
    return is_open;
}

bool ImGui::TreeNodeExV(const char* str_id, ImGuiTreeNodeFlags flags, const char* fmt, va_list args)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    const char* label_end = g.TempBuffer + ImFormatStringV(g.TempBuffer, IM_ARRAYSIZE(g.TempBuffer), fmt, args);
    return TreeNodeBehavior(window->GetID(str_id), flags, g.TempBuffer, label_end);
}

bool ImGui::TreeNodeExV(const void* ptr_id, ImGuiTreeNodeFlags flags, const char* fmt, va_list args)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    const char* label_end = g.TempBuffer + ImFormatStringV(g.TempBuffer, IM_ARRAYSIZE(g.TempBuffer), fmt, args);
    return TreeNodeBehavior(window->GetID(ptr_id), flags, g.TempBuffer, label_end);
}

bool ImGui::TreeNodeBehaviorIsOpen(ImGuiID id, ImGuiTreeNodeFlags flags)
{
    if (flags & ImGuiTreeNodeFlags_Leaf)
        return true;

    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = g.CurrentWindow;
    ImGuiStorage* storage = window->DC.StateStorage;

    bool is_open;
    if (g.NextItemData.Flags & ImGuiNextItemDataFlags_HasOpen)
    {
        if (g.NextItemData.OpenCond & ImGuiCond_Always)
        {
            is_open = g.NextItemData.OpenVal;
            storage->SetInt(id, is_open);
        }
        else
        {
            const int stored_value = storage->GetInt(id, -1);
            if (stored_value == -1)
            {
                is_open = g.NextItemData.OpenVal;
                storage->SetInt(id, is_open);
            }
            else
            {
                is_open = stored_value != 0;
            }
        }
    }
    else
    {
        is_open = storage->GetInt(id, (flags & ImGuiTreeNodeFlags_DefaultOpen) ? 1 : 0) != 0;
    }

    if (g.LogEnabled && !(flags & ImGuiTreeNodeFlags_NoAutoOpenOnLog) && (window->DC.TreeDepth - g.LogDepthRef) < g.LogDepthToExpand)
        is_open = true;

    return is_open;
}

bool ImGui::TreeNodeBehavior(ImGuiID id, ImGuiTreeNodeFlags flags, const char* label, const char* label_end)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    const ImGuiStyle& style = g.Style;
    const bool display_frame = (flags & ImGuiTreeNodeFlags_Framed) != 0;
    const ImVec2 padding = (display_frame || (flags & ImGuiTreeNodeFlags_FramePadding)) ? style.FramePadding : ImVec2(style.FramePadding.x, ImMin(window->DC.CurrLineTextBaseOffset, style.FramePadding.y));

    if (!label_end)
        label_end = FindRenderedTextEnd(label);
    const ImVec2 label_size = CalcTextSize(label, label_end, false);

    const float frame_height = ImMax(ImMin(window->DC.CurrLineSize.y, g.FontSize + style.FramePadding.y * 2), label_size.y + padding.y * 2);
    ImRect frame_bb;
    frame_bb.Min.x = (flags & ImGuiTreeNodeFlags_SpanFullWidth) ? window->WorkRect.Min.x : window->DC.CursorPos.x;
    frame_bb.Min.y = window->DC.CursorPos.y;
    frame_bb.Max.x = window->WorkRect.Max.x;
    frame_bb.Max.y = window->DC.CursorPos.y + frame_height;
    if (display_frame)
    {
        frame_bb.Min.x -= IM_FLOOR(window->WindowPadding.x * 0.5f - 1.0f);
        frame_bb.Max.x += IM_FLOOR(window->WindowPadding.x * 0.5f);
    }

    const float text_offset_x = g.FontSize + (display_frame ? padding.x * 3 : padding.x * 2);                
    const float text_offset_y = ImMax(padding.y, window->DC.CurrLineTextBaseOffset);                         
    const float text_width = g.FontSize + (label_size.x > 0.0f ? label_size.x + padding.x * 2 : 0.0f);    
    ImVec2 text_pos(window->DC.CursorPos.x + text_offset_x, window->DC.CursorPos.y + text_offset_y);
    ItemSize(ImVec2(text_width, frame_height), padding.y);

    ImRect interact_bb = frame_bb;
    if (!display_frame && (flags & (ImGuiTreeNodeFlags_SpanAvailWidth | ImGuiTreeNodeFlags_SpanFullWidth)) == 0)
        interact_bb.Max.x = frame_bb.Min.x + text_width + style.ItemSpacing.x * 2.0f;

    const bool is_leaf = (flags & ImGuiTreeNodeFlags_Leaf) != 0;
    bool is_open = TreeNodeBehaviorIsOpen(id, flags);
    if (is_open && !g.NavIdIsAlive && (flags & ImGuiTreeNodeFlags_NavLeftJumpsBackHere) && !(flags & ImGuiTreeNodeFlags_NoTreePushOnOpen))
        window->DC.TreeJumpToParentOnPopMask |= (1 << window->DC.TreeDepth);

    bool item_add = ItemAdd(interact_bb, id);
    window->DC.LastItemStatusFlags |= ImGuiItemStatusFlags_HasDisplayRect;
    window->DC.LastItemDisplayRect = frame_bb;

    if (!item_add)
    {
        if (is_open && !(flags & ImGuiTreeNodeFlags_NoTreePushOnOpen))
            TreePushOverrideID(id);
        IMGUI_TEST_ENGINE_ITEM_INFO(window->DC.LastItemId, label, window->DC.ItemFlags | (is_leaf ? 0 : ImGuiItemStatusFlags_Openable) | (is_open ? ImGuiItemStatusFlags_Opened : 0));
        return is_open;
    }

    ImGuiButtonFlags button_flags = ImGuiTreeNodeFlags_None;
    if (flags & ImGuiTreeNodeFlags_AllowItemOverlap)
        button_flags |= ImGuiButtonFlags_AllowItemOverlap;
    if (!is_leaf)
        button_flags |= ImGuiButtonFlags_PressedOnDragDropHold;

    const float arrow_hit_x1 = (text_pos.x - text_offset_x) - style.TouchExtraPadding.x;
    const float arrow_hit_x2 = (text_pos.x - text_offset_x) + (g.FontSize + padding.x * 2.0f) + style.TouchExtraPadding.x;
    const bool is_mouse_x_over_arrow = (g.IO.MousePos.x >= arrow_hit_x1 && g.IO.MousePos.x < arrow_hit_x2);
    if (window != g.HoveredWindow || !is_mouse_x_over_arrow)
        button_flags |= ImGuiButtonFlags_NoKeyModifiers;

    if (is_mouse_x_over_arrow)
        button_flags |= ImGuiButtonFlags_PressedOnClick;
    else if (flags & ImGuiTreeNodeFlags_OpenOnDoubleClick)
        button_flags |= ImGuiButtonFlags_PressedOnClickRelease | ImGuiButtonFlags_PressedOnDoubleClick;
    else
        button_flags |= ImGuiButtonFlags_PressedOnClickRelease;

    bool selected = (flags & ImGuiTreeNodeFlags_Selected) != 0;
    const bool was_selected = selected;

    bool hovered, held;
    bool pressed = ButtonBehavior(interact_bb, id, &hovered, &held, button_flags);
    bool toggled = false;
    if (!is_leaf)
    {
        if (pressed && g.DragDropHoldJustPressedId != id)
        {
            if ((flags & (ImGuiTreeNodeFlags_OpenOnArrow | ImGuiTreeNodeFlags_OpenOnDoubleClick)) == 0 || (g.NavActivateId == id))
                toggled = true;
            if (flags & ImGuiTreeNodeFlags_OpenOnArrow)
                toggled |= is_mouse_x_over_arrow && !g.NavDisableMouseHover;           
            if ((flags & ImGuiTreeNodeFlags_OpenOnDoubleClick) && g.IO.MouseDoubleClicked[0])
                toggled = true;
        }
        else if (pressed && g.DragDropHoldJustPressedId == id)
        {
            IM_ASSERT(button_flags & ImGuiButtonFlags_PressedOnDragDropHold);
            if (!is_open)                     
                toggled = true;
        }

        if (g.NavId == id && g.NavMoveRequest && g.NavMoveDir == ImGuiDir_Left && is_open)
        {
            toggled = true;
            NavMoveRequestCancel();
        }
        if (g.NavId == id && g.NavMoveRequest && g.NavMoveDir == ImGuiDir_Right && !is_open)                
        {
            toggled = true;
            NavMoveRequestCancel();
        }

        if (toggled)
        {
            is_open = !is_open;
            window->DC.StateStorage->SetInt(id, is_open);
            window->DC.LastItemStatusFlags |= ImGuiItemStatusFlags_ToggledOpen;
        }
    }
    if (flags & ImGuiTreeNodeFlags_AllowItemOverlap)
        SetItemAllowOverlap();

    if (selected != was_selected) 
        window->DC.LastItemStatusFlags |= ImGuiItemStatusFlags_ToggledSelection;

    const ImU32 text_col = GetColorU32(ImGuiCol_Text);
    ImGuiNavHighlightFlags nav_highlight_flags = ImGuiNavHighlightFlags_TypeThin;
    if (display_frame)
    {
        const ImU32 bg_col = GetColorU32((held && hovered) ? ImGuiCol_HeaderActive : hovered ? ImGuiCol_HeaderHovered : ImGuiCol_Header);
        RenderFrame(frame_bb.Min, frame_bb.Max, bg_col, true, style.FrameRounding);
        RenderNavHighlight(frame_bb, id, nav_highlight_flags);
        if (flags & ImGuiTreeNodeFlags_Bullet)
            RenderBullet(window->DrawList, ImVec2(text_pos.x - text_offset_x * 0.60f, text_pos.y + g.FontSize * 0.5f), text_col);
        else if (!is_leaf)
            RenderArrow(window->DrawList, ImVec2(text_pos.x - text_offset_x + padding.x, text_pos.y), text_col, is_open ? ImGuiDir_Down : ImGuiDir_Right, 1.0f);
        else      
            text_pos.x -= text_offset_x;
        if (flags & ImGuiTreeNodeFlags_ClipLabelForTrailingButton)
            frame_bb.Max.x -= g.FontSize + style.FramePadding.x;

        if (g.LogEnabled)
            LogSetNextTextDecoration("###", "###");
        RenderTextClipped(text_pos, frame_bb.Max, label, label_end, &label_size);
    }
    else
    {
        if (hovered || selected)
        {
            const ImU32 bg_col = GetColorU32((held && hovered) ? ImGuiCol_HeaderActive : hovered ? ImGuiCol_HeaderHovered : ImGuiCol_Header);
            RenderFrame(frame_bb.Min, frame_bb.Max, bg_col, false);
            RenderNavHighlight(frame_bb, id, nav_highlight_flags);
        }
        if (flags & ImGuiTreeNodeFlags_Bullet)
            RenderBullet(window->DrawList, ImVec2(text_pos.x - text_offset_x * 0.5f, text_pos.y + g.FontSize * 0.5f), text_col);
        else if (!is_leaf)
            RenderArrow(window->DrawList, ImVec2(text_pos.x - text_offset_x + padding.x, text_pos.y + g.FontSize * 0.15f), text_col, is_open ? ImGuiDir_Down : ImGuiDir_Right, 0.70f);
        if (g.LogEnabled)
            LogSetNextTextDecoration(">", NULL);
        RenderText(text_pos, label, label_end, false);
    }

    if (is_open && !(flags & ImGuiTreeNodeFlags_NoTreePushOnOpen))
        TreePushOverrideID(id);
    IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.ItemFlags | (is_leaf ? 0 : ImGuiItemStatusFlags_Openable) | (is_open ? ImGuiItemStatusFlags_Opened : 0));
    return is_open;
}

void ImGui::TreePush(const char* str_id)
{
    ImGuiWindow* window = GetCurrentWindow();
    Indent();
    window->DC.TreeDepth++;
    PushID(str_id ? str_id : "#TreePush");
}

void ImGui::TreePush(const void* ptr_id)
{
    ImGuiWindow* window = GetCurrentWindow();
    Indent();
    window->DC.TreeDepth++;
    PushID(ptr_id ? ptr_id : (const void*)"#TreePush");
}

void ImGui::TreePushOverrideID(ImGuiID id)
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = g.CurrentWindow;
    Indent();
    window->DC.TreeDepth++;
    window->IDStack.push_back(id);
}

void ImGui::TreePop()
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = g.CurrentWindow;
    Unindent();

    window->DC.TreeDepth--;
    ImU32 tree_depth_mask = (1 << window->DC.TreeDepth);

    if (g.NavMoveDir == ImGuiDir_Left && g.NavWindow == window && NavMoveRequestButNoResultYet())
        if (g.NavIdIsAlive && (window->DC.TreeJumpToParentOnPopMask & tree_depth_mask))
        {
            SetNavID(window->IDStack.back(), g.NavLayer, 0);
            NavMoveRequestCancel();
        }
    window->DC.TreeJumpToParentOnPopMask &= tree_depth_mask - 1;

    IM_ASSERT(window->IDStack.Size > 1);                      
    PopID();
}

float ImGui::GetTreeNodeToLabelSpacing()
{
    ImGuiContext& g = *GImGui;
    return g.FontSize + (g.Style.FramePadding.x * 2.0f);
}

void ImGui::SetNextItemOpen(bool is_open, ImGuiCond cond)
{
    ImGuiContext& g = *GImGui;
    if (g.CurrentWindow->SkipItems)
        return;
    g.NextItemData.Flags |= ImGuiNextItemDataFlags_HasOpen;
    g.NextItemData.OpenVal = is_open;
    g.NextItemData.OpenCond = cond ? cond : ImGuiCond_Always;
}

bool ImGui::CollapsingHeader(const char* label, ImGuiTreeNodeFlags flags)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    return TreeNodeBehavior(window->GetID(label), flags | ImGuiTreeNodeFlags_CollapsingHeader, label);
}

bool ImGui::CollapsingHeader(const char* label, bool* p_visible, ImGuiTreeNodeFlags flags)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    if (p_visible && !*p_visible)
        return false;

    ImGuiID id = window->GetID(label);
    flags |= ImGuiTreeNodeFlags_CollapsingHeader;
    if (p_visible)
        flags |= ImGuiTreeNodeFlags_AllowItemOverlap | ImGuiTreeNodeFlags_ClipLabelForTrailingButton;
    bool is_open = TreeNodeBehavior(id, flags, label);
    if (p_visible != NULL)
    {
        ImGuiContext& g = *GImGui;
        ImGuiLastItemDataBackup last_item_backup;
        float button_size = g.FontSize;
        float button_x = ImMax(window->DC.LastItemRect.Min.x, window->DC.LastItemRect.Max.x - g.Style.FramePadding.x * 2.0f - button_size);
        float button_y = window->DC.LastItemRect.Min.y;
        ImGuiID close_button_id = GetIDWithSeed("#CLOSE", NULL, id);
        if (CloseButton(close_button_id, ImVec2(button_x, button_y)))
            *p_visible = false;
        last_item_backup.Restore();
    }

    return is_open;
}

bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags flags, const ImVec2& size_arg, bool ncolorhovered)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    const ImGuiStyle& style = g.Style;

    ImGuiID id = window->GetID(label);
    ImVec2 label_size = CalcTextSize(label, NULL, true);
    ImVec2 size(size_arg.x != 0.0f ? size_arg.x : label_size.x, size_arg.y != 0.0f ? size_arg.y : label_size.y);
    ImVec2 pos = window->DC.CursorPos;
    pos.y += window->DC.CurrLineTextBaseOffset;
    ItemSize(size, 0.0f);

    const bool span_all_columns = (flags & ImGuiSelectableFlags_SpanAllColumns) != 0;
    const float min_x = span_all_columns ? window->ParentWorkRect.Min.x : pos.x;
    const float max_x = span_all_columns ? window->ParentWorkRect.Max.x : window->WorkRect.Max.x;
    if (size_arg.x == 0.0f || (flags & ImGuiSelectableFlags_SpanAvailWidth))
        size.x = ImMax(label_size.x, max_x - min_x);

    const ImVec2 text_min = pos;
    const ImVec2 text_max(min_x + size.x, pos.y + size.y);
    ImRect bb(min_x, pos.y, text_max.x, text_max.y);

    if ((flags & ImGuiSelectableFlags_NoPadWithHalfSpacing) == 0)
    {
        const float spacing_x = span_all_columns ? 0.0f : style.ItemSpacing.x;
        const float spacing_y = style.ItemSpacing.y;
        const float spacing_L = IM_FLOOR(spacing_x * 0.50f);
        const float spacing_U = IM_FLOOR(spacing_y * 0.50f);
        bb.Min.x -= spacing_L;
        bb.Min.y -= spacing_U;
        bb.Max.x += (spacing_x - spacing_L);
        bb.Max.y += (spacing_y - spacing_U);
    }
    const float backup_clip_rect_min_x = window->ClipRect.Min.x;
    const float backup_clip_rect_max_x = window->ClipRect.Max.x;
    if (span_all_columns)
    {
        window->ClipRect.Min.x = window->ParentWorkRect.Min.x;
        window->ClipRect.Max.x = window->ParentWorkRect.Max.x;
    }

    bool item_add;
    if (flags & ImGuiSelectableFlags_Disabled)
    {
        ImGuiItemFlags backup_item_flags = window->DC.ItemFlags;
        window->DC.ItemFlags |= ImGuiItemFlags_Disabled | ImGuiItemFlags_NoNavDefaultFocus;
        item_add = ItemAdd(bb, id);
        window->DC.ItemFlags = backup_item_flags;
    }
    else
    {
        item_add = ItemAdd(bb, id);
    }

    if (span_all_columns)
    {
        window->ClipRect.Min.x = backup_clip_rect_min_x;
        window->ClipRect.Max.x = backup_clip_rect_max_x;
    }

    if (!item_add)
        return false;

    if (span_all_columns && window->DC.CurrentColumns)
        PushColumnsBackground();
    else if (span_all_columns && g.CurrentTable)
        TablePushBackgroundChannel();

    ImGuiButtonFlags button_flags = 0;
    if (flags & ImGuiSelectableFlags_NoHoldingActiveID) { button_flags |= ImGuiButtonFlags_NoHoldingActiveId; }
    if (flags & ImGuiSelectableFlags_SelectOnClick)     { button_flags |= ImGuiButtonFlags_PressedOnClick; }
    if (flags & ImGuiSelectableFlags_SelectOnRelease)   { button_flags |= ImGuiButtonFlags_PressedOnRelease; }
    if (flags & ImGuiSelectableFlags_Disabled)          { button_flags |= ImGuiButtonFlags_Disabled; }
    if (flags & ImGuiSelectableFlags_AllowDoubleClick)  { button_flags |= ImGuiButtonFlags_PressedOnClickRelease | ImGuiButtonFlags_PressedOnDoubleClick; }
    if (flags & ImGuiSelectableFlags_AllowItemOverlap)  { button_flags |= ImGuiButtonFlags_AllowItemOverlap; }

    if (flags & ImGuiSelectableFlags_Disabled)
        selected = false;

    const bool was_selected = selected;
    bool hovered, held;
    bool pressed = ButtonBehavior(bb, id, &hovered, &held, button_flags);

    if (pressed || (hovered && (flags & ImGuiSelectableFlags_SetNavIdOnHover)))
    {
        if (!g.NavDisableMouseHover && g.NavWindow == window && g.NavLayer == window->DC.NavLayerCurrent)
        {
            g.NavDisableHighlight = true;
            SetNavID(id, window->DC.NavLayerCurrent, window->DC.NavFocusScopeIdCurrent);
        }
    }
    if (pressed)
        MarkItemEdited(id);

    if (flags & ImGuiSelectableFlags_AllowItemOverlap)
        SetItemAllowOverlap();

    if (selected != was_selected) 
        window->DC.LastItemStatusFlags |= ImGuiItemStatusFlags_ToggledSelection;

    if (held && (flags & ImGuiSelectableFlags_DrawHoveredWhenHeld))
        hovered = true;

    
    if (ncolorhovered) 
    {
        if (selected)
        {
            ImU32 col = GetColorU32(ImGuiCol_HeaderActive);
            RenderFrame(bb.Min, bb.Max, col, false, 0.0f);
            RenderNavHighlight(bb, id, ImGuiNavHighlightFlags_TypeThin | ImGuiNavHighlightFlags_NoRounding);
        }
    }
    else {
        if (hovered || selected)    
        {
            const ImU32 col = GetColorU32((held && hovered) ? ImGuiCol_HeaderActive : hovered ? ImGuiCol_HeaderHovered : ImGuiCol_Header);
            RenderFrame(bb.Min, bb.Max, col, false, 0.0f);
            RenderNavHighlight(bb, id, ImGuiNavHighlightFlags_TypeThin | ImGuiNavHighlightFlags_NoRounding);
        }
    }
    

    if (span_all_columns && window->DC.CurrentColumns)
        PopColumnsBackground();
    else if (span_all_columns && g.CurrentTable)
        TablePopBackgroundChannel();

    if (flags & ImGuiSelectableFlags_Disabled) PushStyleColor(ImGuiCol_Text, style.Colors[ImGuiCol_TextDisabled]);

    if (ncolorhovered)
    {
        RenderTextClipped(text_min, text_max, label, NULL, &label_size, style.SelectableTextAlign, &bb);
    }
    else
    {
        if (selected || hovered)
            RenderTextClipped(text_min, text_max, label, NULL, &label_size, style.SelectableTextAlign, &bb, colBlack); 
        else RenderTextClipped(text_min, text_max, label, NULL, &label_size, style.SelectableTextAlign, &bb);
    }

    if (flags & ImGuiSelectableFlags_Disabled) PopStyleColor();

    if (pressed && (window->Flags & ImGuiWindowFlags_Popup) && !(flags & ImGuiSelectableFlags_DontClosePopups) && !(window->DC.ItemFlags & ImGuiItemFlags_SelectableDontClosePopup))
        CloseCurrentPopup();

    IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.ItemFlags);
    return pressed;
}

bool ImGui::Selectable(const char* label, bool* p_selected, ImGuiSelectableFlags flags, const ImVec2& size_arg)
{
    if (Selectable(label, *p_selected, flags, size_arg))
    {
        *p_selected = !*p_selected;
        return true;
    }
    return false;
}

bool ImGui::BeginListBox(const char* label, const ImVec2& size_arg)
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    const ImGuiStyle& style = g.Style;
    const ImGuiID id = GetID(label);
    const ImVec2 label_size = CalcTextSize(label, NULL, true);

    ImVec2 size = ImFloor(CalcItemSize(size_arg, CalcItemWidth(), GetTextLineHeightWithSpacing() * 7.25f + style.FramePadding.y * 2.0f));
    ImVec2 frame_size = ImVec2(size.x, ImMax(size.y, label_size.y));
    ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + frame_size);

    window->DrawList->AddLine(ImVec2(frame_bb.Min.x - 1.0f, frame_bb.Min.y - 1.0f), ImVec2(frame_bb.Max.x , frame_bb.Min.y - 1.0f), colBlack, 1.0f); 
    window->DrawList->AddLine(ImVec2(frame_bb.Min.x - 1.0f, frame_bb.Min.y - 1.0f), ImVec2(frame_bb.Min.x - 1.0f, frame_bb.Max.y), colBlack, 1.0f);
    window->DrawList->AddLine(ImVec2(frame_bb.Max.x , frame_bb.Min.y), ImVec2(frame_bb.Max.x , frame_bb.Max.y), colWhite, 1.0f);
    window->DrawList->AddLine(ImVec2(frame_bb.Min.x , frame_bb.Max.y), ImVec2(frame_bb.Max.x , frame_bb.Max.y), colWhite, 1.0f);

    ImRect bb(frame_bb.Min, frame_bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0.0f));
    g.NextItemData.ClearFlags();

    if (!IsRectVisible(bb.Min, bb.Max))
    {
        ItemSize(bb.GetSize(), style.FramePadding.y);
        ItemAdd(bb, 0, &frame_bb);
        return false;
    }

    BeginGroup();
    if (label_size.x > 0.0f)
    {
        ImVec2 label_pos = ImVec2(frame_bb.Min.x, frame_bb.Min.y + style.FramePadding.y - 20.0f);
        RenderText(label_pos, label); 
        window->DC.CursorMaxPos = ImMax(window->DC.CursorMaxPos, label_pos + label_size);
    }

    BeginChildFrame(id, frame_bb.GetSize());
    return true;
}

#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
bool ImGui::ListBoxHeader(const char* label, int items_count, int height_in_items)
{
    ImGuiContext& g = *GImGui;
    float height_in_items_f = (height_in_items < 0 ? ImMin(items_count, 7) : height_in_items) + 0.25f;
    ImVec2 size;
    size.x = 0.0f;
    size.y = GetTextLineHeightWithSpacing() * height_in_items_f + g.Style.FramePadding.y * 2.0f;
    return BeginListBox(label, size);
}
#endif

void ImGui::EndListBox()
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = g.CurrentWindow;
    IM_ASSERT((window->Flags & ImGuiWindowFlags_ChildWindow) && "Mismatched BeginListBox/EndListBox calls. Did you test the return value of BeginListBox?");

    EndChildFrame();
    EndGroup();                  
}

bool ImGui::ListBox(const char* label, int* current_item, const char* const items[], int items_count, int height_items)
{
    const bool value_changed = ListBox(label, current_item, Items_ArrayGetter, (void*)items, items_count, height_items);
    return value_changed;
}

bool ImGui::ListBox(const char* label, int* current_item, bool (*items_getter)(void*, int, const char**), void* data, int items_count, int height_in_items)
{
    ImGuiContext& g = *GImGui;

    if (height_in_items < 0)
        height_in_items = ImMin(items_count, 7);
    float height_in_items_f = height_in_items + 0.25f;
    ImVec2 size(0.0f, ImFloor(GetTextLineHeightWithSpacing() * height_in_items_f + g.Style.FramePadding.y * 2.0f));

    if (!BeginListBox(label, size))
        return false;

    bool value_changed = false;
    ImGuiListClipper clipper;
    clipper.Begin(items_count, GetTextLineHeightWithSpacing());                      
    while (clipper.Step())
        for (int i = clipper.DisplayStart; i < clipper.DisplayEnd; i++)
        {
            const char* item_text;
            if (!items_getter(data, i, &item_text))
                item_text = "*Unknown item*";

            PushID(i);
            const bool item_selected = (i == *current_item);
            if (Selectable(item_text, item_selected))
            {
                *current_item = i;
                value_changed = true;
            }
            if (item_selected)
                SetItemDefaultFocus();
            PopID();
        }
    EndListBox();
    if (value_changed)
        MarkItemEdited(g.CurrentWindow->DC.LastItemId);

    return value_changed;
}

int ImGui::PlotEx(ImGuiPlotType plot_type, const char* label, float (*values_getter)(void* data, int idx), void* data, int values_count, int values_offset, const char* overlay_text, float scale_min, float scale_max, ImVec2 frame_size)
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return -1;

    const ImGuiStyle& style = g.Style;
    const ImGuiID id = window->GetID(label);

    const ImVec2 label_size = CalcTextSize(label, NULL, true);
    if (frame_size.x == 0.0f)
        frame_size.x = CalcItemWidth();
    if (frame_size.y == 0.0f)
        frame_size.y = label_size.y + (style.FramePadding.y * 2);

    const ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + frame_size);
    const ImRect inner_bb(frame_bb.Min + style.FramePadding, frame_bb.Max - style.FramePadding);
    const ImRect total_bb(frame_bb.Min, frame_bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0));
    ItemSize(total_bb, style.FramePadding.y);
    if (!ItemAdd(total_bb, 0, &frame_bb))
        return -1;
    const bool hovered = ItemHoverable(frame_bb, id);

    if (scale_min == FLT_MAX || scale_max == FLT_MAX)
    {
        float v_min = FLT_MAX;
        float v_max = -FLT_MAX;
        for (int i = 0; i < values_count; i++)
        {
            const float v = values_getter(data, i);
            if (v != v)    
                continue;
            v_min = ImMin(v_min, v);
            v_max = ImMax(v_max, v);
        }
        if (scale_min == FLT_MAX)
            scale_min = v_min;
        if (scale_max == FLT_MAX)
            scale_max = v_max;
    }

    RenderFrame(frame_bb.Min, frame_bb.Max, GetColorU32(ImGuiCol_FrameBg), true, style.FrameRounding);

    const int values_count_min = (plot_type == ImGuiPlotType_Lines) ? 2 : 1;
    int idx_hovered = -1;
    if (values_count >= values_count_min)
    {
        int res_w = ImMin((int)frame_size.x, values_count) + ((plot_type == ImGuiPlotType_Lines) ? -1 : 0);
        int item_count = values_count + ((plot_type == ImGuiPlotType_Lines) ? -1 : 0);

        if (hovered && inner_bb.Contains(g.IO.MousePos))
        {
            const float t = ImClamp((g.IO.MousePos.x - inner_bb.Min.x) / (inner_bb.Max.x - inner_bb.Min.x), 0.0f, 0.9999f);
            const int v_idx = (int)(t * item_count);
            IM_ASSERT(v_idx >= 0 && v_idx < values_count);

            const float v0 = values_getter(data, (v_idx + values_offset) % values_count);
            const float v1 = values_getter(data, (v_idx + 1 + values_offset) % values_count);
            if (plot_type == ImGuiPlotType_Lines)
                SetTooltip("%d: %8.4g\n%d: %8.4g", v_idx, v0, v_idx + 1, v1);
            else if (plot_type == ImGuiPlotType_Histogram)
                SetTooltip("%d: %8.4g", v_idx, v0);
            idx_hovered = v_idx;
        }

        const float t_step = 1.0f / (float)res_w;
        const float inv_scale = (scale_min == scale_max) ? 0.0f : (1.0f / (scale_max - scale_min));

        float v0 = values_getter(data, (0 + values_offset) % values_count);
        float t0 = 0.0f;
        ImVec2 tp0 = ImVec2( t0, 1.0f - ImSaturate((v0 - scale_min) * inv_scale) );                                
        float histogram_zero_line_t = (scale_min * scale_max < 0.0f) ? (-scale_min * inv_scale) : (scale_min < 0.0f ? 0.0f : 1.0f);         

        const ImU32 col_base = GetColorU32((plot_type == ImGuiPlotType_Lines) ? ImGuiCol_PlotLines : ImGuiCol_PlotHistogram);
        const ImU32 col_hovered = GetColorU32((plot_type == ImGuiPlotType_Lines) ? ImGuiCol_PlotLinesHovered : ImGuiCol_PlotHistogramHovered);

        for (int n = 0; n < res_w; n++)
        {
            const float t1 = t0 + t_step;
            const int v1_idx = (int)(t0 * item_count + 0.5f);
            IM_ASSERT(v1_idx >= 0 && v1_idx < values_count);
            const float v1 = values_getter(data, (v1_idx + values_offset + 1) % values_count);
            const ImVec2 tp1 = ImVec2( t1, 1.0f - ImSaturate((v1 - scale_min) * inv_scale) );

            ImVec2 pos0 = ImLerp(inner_bb.Min, inner_bb.Max, tp0);
            ImVec2 pos1 = ImLerp(inner_bb.Min, inner_bb.Max, (plot_type == ImGuiPlotType_Lines) ? tp1 : ImVec2(tp1.x, histogram_zero_line_t));
            if (plot_type == ImGuiPlotType_Lines)
            {
                window->DrawList->AddLine(pos0, pos1, idx_hovered == v1_idx ? col_hovered : col_base);
            }
            else if (plot_type == ImGuiPlotType_Histogram)
            {
                if (pos1.x >= pos0.x + 2.0f)
                    pos1.x -= 1.0f;
                window->DrawList->AddRectFilled(pos0, pos1, idx_hovered == v1_idx ? col_hovered : col_base);
            }

            t0 = t1;
            tp0 = tp1;
        }
    }

    if (overlay_text)
        RenderTextClipped(ImVec2(frame_bb.Min.x, frame_bb.Min.y + style.FramePadding.y), frame_bb.Max, overlay_text, NULL, NULL, ImVec2(0.5f, 0.0f));

    if (label_size.x > 0.0f)
        RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, inner_bb.Min.y), label);

    return idx_hovered;
}

struct ImGuiPlotArrayGetterData
{
    const float* Values;
    int Stride;

    ImGuiPlotArrayGetterData(const float* values, int stride) { Values = values; Stride = stride; }
};

static float Plot_ArrayGetter(void* data, int idx)
{
    ImGuiPlotArrayGetterData* plot_data = (ImGuiPlotArrayGetterData*)data;
    const float v = *(const float*)(const void*)((const unsigned char*)plot_data->Values + (size_t)idx * plot_data->Stride);
    return v;
}

void ImGui::PlotLines(const char* label, const float* values, int values_count, int values_offset, const char* overlay_text, float scale_min, float scale_max, ImVec2 graph_size, int stride)
{
    ImGuiPlotArrayGetterData data(values, stride);
    PlotEx(ImGuiPlotType_Lines, label, &Plot_ArrayGetter, (void*)&data, values_count, values_offset, overlay_text, scale_min, scale_max, graph_size);
}

void ImGui::PlotLines(const char* label, float (*values_getter)(void* data, int idx), void* data, int values_count, int values_offset, const char* overlay_text, float scale_min, float scale_max, ImVec2 graph_size)
{
    PlotEx(ImGuiPlotType_Lines, label, values_getter, data, values_count, values_offset, overlay_text, scale_min, scale_max, graph_size);
}

void ImGui::PlotHistogram(const char* label, const float* values, int values_count, int values_offset, const char* overlay_text, float scale_min, float scale_max, ImVec2 graph_size, int stride)
{
    ImGuiPlotArrayGetterData data(values, stride);
    PlotEx(ImGuiPlotType_Histogram, label, &Plot_ArrayGetter, (void*)&data, values_count, values_offset, overlay_text, scale_min, scale_max, graph_size);
}

void ImGui::PlotHistogram(const char* label, float (*values_getter)(void* data, int idx), void* data, int values_count, int values_offset, const char* overlay_text, float scale_min, float scale_max, ImVec2 graph_size)
{
    PlotEx(ImGuiPlotType_Histogram, label, values_getter, data, values_count, values_offset, overlay_text, scale_min, scale_max, graph_size);
}

void ImGui::Value(const char* prefix, bool b)
{
    Text("%s: %s", prefix, (b ? "true" : "false"));
}

void ImGui::Value(const char* prefix, int v)
{
    Text("%s: %d", prefix, v);
}

void ImGui::Value(const char* prefix, unsigned int v)
{
    Text("%s: %d", prefix, v);
}

void ImGui::Value(const char* prefix, float v, const char* float_format)
{
    if (float_format)
    {
        char fmt[64];
        ImFormatString(fmt, IM_ARRAYSIZE(fmt), "%%s: %s", float_format);
        Text(fmt, prefix, v);
    }
    else
    {
        Text("%s: %.3f", prefix, v);
    }
}

void ImGuiMenuColumns::Update(int count, float spacing, bool clear)
{
    IM_ASSERT(count == IM_ARRAYSIZE(Pos));
    IM_UNUSED(count);
    Width = NextWidth = 0.0f;
    Spacing = spacing;
    if (clear)
        memset(NextWidths, 0, sizeof(NextWidths));
    for (int i = 0; i < IM_ARRAYSIZE(Pos); i++)
    {
        if (i > 0 && NextWidths[i] > 0.0f)
            Width += Spacing;
        Pos[i] = IM_FLOOR(Width);
        Width += NextWidths[i];
        NextWidths[i] = 0.0f;
    }
}

float ImGuiMenuColumns::DeclColumns(float w0, float w1, float w2)          
{
    NextWidth = 0.0f;
    NextWidths[0] = ImMax(NextWidths[0], w0);
    NextWidths[1] = ImMax(NextWidths[1], w1);
    NextWidths[2] = ImMax(NextWidths[2], w2);
    for (int i = 0; i < IM_ARRAYSIZE(Pos); i++)
        NextWidth += NextWidths[i] + ((i > 0 && NextWidths[i] > 0.0f) ? Spacing : 0.0f);
    return ImMax(Width, NextWidth);
}

float ImGuiMenuColumns::CalcExtraSpace(float avail_w) const
{
    return ImMax(0.0f, avail_w - Width);
}

bool ImGui::BeginMenuBar()
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;
    if (!(window->Flags & ImGuiWindowFlags_MenuBar))
        return false;

    IM_ASSERT(!window->DC.MenuBarAppending);
    BeginGroup();                
    PushID("##menubar");

    ImRect bar_rect = window->MenuBarRect();
    ImRect clip_rect(IM_ROUND(bar_rect.Min.x + window->WindowBorderSize), IM_ROUND(bar_rect.Min.y + window->WindowBorderSize), IM_ROUND(ImMax(bar_rect.Min.x, bar_rect.Max.x - ImMax(window->WindowRounding, window->WindowBorderSize))), IM_ROUND(bar_rect.Max.y));
    clip_rect.ClipWith(window->OuterRectClipped);
    PushClipRect(clip_rect.Min, clip_rect.Max, false);

    window->DC.CursorPos = window->DC.CursorMaxPos = ImVec2(bar_rect.Min.x + window->DC.MenuBarOffset.x, bar_rect.Min.y + window->DC.MenuBarOffset.y);
    window->DC.LayoutType = ImGuiLayoutType_Horizontal;
    window->DC.NavLayerCurrent = ImGuiNavLayer_Menu;
    window->DC.MenuBarAppending = true;
    AlignTextToFramePadding();
    return true;
}

void ImGui::EndMenuBar()
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return;
    ImGuiContext& g = *GImGui;

    if (NavMoveRequestButNoResultYet() && (g.NavMoveDir == ImGuiDir_Left || g.NavMoveDir == ImGuiDir_Right) && (g.NavWindow->Flags & ImGuiWindowFlags_ChildMenu))
    {
        ImGuiWindow* nav_earliest_child = g.NavWindow;
        while (nav_earliest_child->ParentWindow && (nav_earliest_child->ParentWindow->Flags & ImGuiWindowFlags_ChildMenu))
            nav_earliest_child = nav_earliest_child->ParentWindow;
        if (nav_earliest_child->ParentWindow == window && nav_earliest_child->DC.ParentLayoutType == ImGuiLayoutType_Horizontal && g.NavMoveRequestForward == ImGuiNavForward_None)
        {
            const ImGuiNavLayer layer = ImGuiNavLayer_Menu;
            IM_ASSERT(window->DC.NavLayerActiveMaskNext & (1 << layer));   
            FocusWindow(window);
            SetNavIDWithRectRel(window->NavLastIds[layer], layer, 0, window->NavRectRel[layer]);
            g.NavLayer = layer;
            g.NavDisableHighlight = true;              
            g.NavMoveRequestForward = ImGuiNavForward_ForwardQueued;
            NavMoveRequestCancel();
        }
    }

    IM_ASSERT(window->Flags & ImGuiWindowFlags_MenuBar);
    IM_ASSERT(window->DC.MenuBarAppending);
    PopClipRect();
    PopID();
    window->DC.MenuBarOffset.x = window->DC.CursorPos.x - window->MenuBarRect().Min.x;                  
    g.GroupStack.back().EmitItem = false;
    EndGroup();      
    window->DC.LayoutType = ImGuiLayoutType_Vertical;
    window->DC.NavLayerCurrent = ImGuiNavLayer_Main;
    window->DC.MenuBarAppending = false;
}

bool ImGui::BeginMainMenuBar()
{
    ImGuiContext& g = *GImGui;
    g.NextWindowData.MenuBarOffsetMinVal = ImVec2(g.Style.DisplaySafeAreaPadding.x, ImMax(g.Style.DisplaySafeAreaPadding.y - g.Style.FramePadding.y, 0.0f));
    SetNextWindowPos(ImVec2(0.0f, 0.0f));
    SetNextWindowSize(ImVec2(g.IO.DisplaySize.x, g.NextWindowData.MenuBarOffsetMinVal.y + g.FontBaseSize + g.Style.FramePadding.y));
    PushStyleVar(ImGuiStyleVar_WindowRounding, 0.0f);
    PushStyleVar(ImGuiStyleVar_WindowMinSize, ImVec2(0, 0));
    ImGuiWindowFlags window_flags = ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_MenuBar;
    bool is_open = Begin("##MainMenuBar", NULL, window_flags) && BeginMenuBar();
    PopStyleVar(2);
    g.NextWindowData.MenuBarOffsetMinVal = ImVec2(0.0f, 0.0f);
    if (!is_open)
    {
        End();
        return false;
    }
    return true; 
}

void ImGui::EndMainMenuBar()
{
    EndMenuBar();

    ImGuiContext& g = *GImGui;
    if (g.CurrentWindow == g.NavWindow && g.NavLayer == ImGuiNavLayer_Main && !g.NavAnyRequest)
        FocusTopMostWindowUnderOne(g.NavWindow, NULL);

    End();
}

bool ImGui::BeginMenu(const char* label, bool enabled)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    const ImGuiStyle& style = g.Style;
    const ImGuiID id = window->GetID(label);
    bool menu_is_open = IsPopupOpen(id, ImGuiPopupFlags_None);

    ImGuiWindowFlags flags = ImGuiWindowFlags_ChildMenu | ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoNavFocus;
    if (window->Flags & (ImGuiWindowFlags_Popup | ImGuiWindowFlags_ChildMenu))
        flags |= ImGuiWindowFlags_ChildWindow;

    if (g.MenusIdSubmittedThisFrame.contains(id))
    {
        if (menu_is_open)
            menu_is_open = BeginPopupEx(id, flags);               
        else
            g.NextWindowData.ClearFlags();                    
        return menu_is_open;
    }

    g.MenusIdSubmittedThisFrame.push_back(id);

    ImVec2 label_size = CalcTextSize(label, NULL, true);
    bool pressed;
    bool menuset_is_open = !(window->Flags & ImGuiWindowFlags_Popup) && (g.OpenPopupStack.Size > g.BeginPopupStack.Size && g.OpenPopupStack[g.BeginPopupStack.Size].OpenParentId == window->IDStack.back());
    ImGuiWindow* backed_nav_window = g.NavWindow;
    if (menuset_is_open)
        g.NavWindow = window;                     

    ImVec2 popup_pos, pos = window->DC.CursorPos;
    if (window->DC.LayoutType == ImGuiLayoutType_Horizontal)
    {
        popup_pos = ImVec2(pos.x - 1.0f - IM_FLOOR(style.ItemSpacing.x * 0.5f), pos.y - style.FramePadding.y + window->MenuBarHeight());
        window->DC.CursorPos.x += IM_FLOOR(style.ItemSpacing.x * 0.5f);
        PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(style.ItemSpacing.x * 2.0f, style.ItemSpacing.y));
        float w = label_size.x;
        pressed = Selectable(label, menu_is_open, ImGuiSelectableFlags_NoHoldingActiveID | ImGuiSelectableFlags_SelectOnClick | ImGuiSelectableFlags_DontClosePopups | (!enabled ? ImGuiSelectableFlags_Disabled : 0), ImVec2(w, 0.0f));
        PopStyleVar();
        window->DC.CursorPos.x += IM_FLOOR(style.ItemSpacing.x * (-1.0f + 0.5f));                        
    }
    else
    {
        popup_pos = ImVec2(pos.x, pos.y - style.WindowPadding.y);
        float min_w = window->DC.MenuColumns.DeclColumns(label_size.x, 0.0f, IM_FLOOR(g.FontSize * 1.20f));     
        float extra_w = ImMax(0.0f, GetContentRegionAvail().x - min_w);
        pressed = Selectable(label, menu_is_open, ImGuiSelectableFlags_NoHoldingActiveID | ImGuiSelectableFlags_SelectOnClick | ImGuiSelectableFlags_DontClosePopups | ImGuiSelectableFlags_SpanAvailWidth | (!enabled ? ImGuiSelectableFlags_Disabled : 0), ImVec2(min_w, 0.0f));
        ImU32 text_col = GetColorU32(enabled ? ImGuiCol_Text : ImGuiCol_TextDisabled);
        RenderArrow(window->DrawList, pos + ImVec2(window->DC.MenuColumns.Pos[2] + extra_w + g.FontSize * 0.30f, 0.0f), text_col, ImGuiDir_Right);
    }

    const bool hovered = enabled && ItemHoverable(window->DC.LastItemRect, id);
    if (menuset_is_open)
        g.NavWindow = backed_nav_window;

    bool want_open = false;
    bool want_close = false;
    if (window->DC.LayoutType == ImGuiLayoutType_Vertical)    
    {
        bool moving_toward_other_child_menu = false;

        ImGuiWindow* child_menu_window = (g.BeginPopupStack.Size < g.OpenPopupStack.Size && g.OpenPopupStack[g.BeginPopupStack.Size].SourceWindow == window) ? g.OpenPopupStack[g.BeginPopupStack.Size].Window : NULL;
        if (g.HoveredWindow == window && child_menu_window != NULL && !(window->Flags & ImGuiWindowFlags_MenuBar))
        {
            ImRect next_window_rect = child_menu_window->Rect();
            ImVec2 ta = g.IO.MousePos - g.IO.MouseDelta;
            ImVec2 tb = (window->Pos.x < child_menu_window->Pos.x) ? next_window_rect.GetTL() : next_window_rect.GetTR();
            ImVec2 tc = (window->Pos.x < child_menu_window->Pos.x) ? next_window_rect.GetBL() : next_window_rect.GetBR();
            float extra = ImClamp(ImFabs(ta.x - tb.x) * 0.30f, 5.0f, 30.0f);          
            ta.x += (window->Pos.x < child_menu_window->Pos.x) ? -0.5f : +0.5f;     
            tb.y = ta.y + ImMax((tb.y - extra) - ta.y, -100.0f);                                    
            tc.y = ta.y + ImMin((tc.y + extra) - ta.y, +100.0f);
            moving_toward_other_child_menu = ImTriangleContainsPoint(ta, tb, tc, g.IO.MousePos);
        }
        if (menu_is_open && !hovered && g.HoveredWindow == window && g.HoveredIdPreviousFrame != 0 && g.HoveredIdPreviousFrame != id && !moving_toward_other_child_menu)
            want_close = true;

        if (!menu_is_open && hovered && pressed)    
            want_open = true;
        else if (!menu_is_open && hovered && !moving_toward_other_child_menu)    
            want_open = true;

        if (g.NavActivateId == id)
        {
            want_close = menu_is_open;
            want_open = !menu_is_open;
        }
        if (g.NavId == id && g.NavMoveRequest && g.NavMoveDir == ImGuiDir_Right)    
        {
            want_open = true;
            NavMoveRequestCancel();
        }
    }
    else
    {
        if (menu_is_open && pressed && menuset_is_open)         
        {
            want_close = true;
            want_open = menu_is_open = false;
        }
        else if (pressed || (hovered && menuset_is_open && !menu_is_open))          
        {
            want_open = true;
        }
        else if (g.NavId == id && g.NavMoveRequest && g.NavMoveDir == ImGuiDir_Down)    
        {
            want_open = true;
            NavMoveRequestCancel();
        }
    }

    if (!enabled)                         
        want_close = true;
    if (want_close && IsPopupOpen(id, ImGuiPopupFlags_None))
        ClosePopupToLevel(g.BeginPopupStack.Size, true);

    IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.ItemFlags | ImGuiItemStatusFlags_Openable | (menu_is_open ? ImGuiItemStatusFlags_Opened : 0));

    if (!menu_is_open && want_open && g.OpenPopupStack.Size > g.BeginPopupStack.Size)
    {
        OpenPopup(label);
        return false;
    }

    menu_is_open |= want_open;
    if (want_open)
        OpenPopup(label);

    if (menu_is_open)
    {
        SetNextWindowPos(popup_pos, ImGuiCond_Always);                 
        menu_is_open = BeginPopupEx(id, flags);               
    }
    else
    {
        g.NextWindowData.ClearFlags();           
    }

    return menu_is_open;
}

void ImGui::EndMenu()
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = g.CurrentWindow;
    if (g.NavWindow && g.NavWindow->ParentWindow == window && g.NavMoveDir == ImGuiDir_Left && NavMoveRequestButNoResultYet() && window->DC.LayoutType == ImGuiLayoutType_Vertical)
    {
        ClosePopupToLevel(g.BeginPopupStack.Size, true);
        NavMoveRequestCancel();
    }

    EndPopup();
}

bool ImGui::MenuItem(const char* label, const char* shortcut, bool selected, bool enabled)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    ImGuiStyle& style = g.Style;
    ImVec2 pos = window->DC.CursorPos;
    ImVec2 label_size = CalcTextSize(label, NULL, true);

    ImGuiSelectableFlags flags = ImGuiSelectableFlags_SelectOnRelease | ImGuiSelectableFlags_SetNavIdOnHover | (enabled ? 0 : ImGuiSelectableFlags_Disabled);
    bool pressed;
    if (window->DC.LayoutType == ImGuiLayoutType_Horizontal)
    {
        float w = label_size.x;
        window->DC.CursorPos.x += IM_FLOOR(style.ItemSpacing.x * 0.5f);
        PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(style.ItemSpacing.x * 2.0f, style.ItemSpacing.y));
        pressed = Selectable(label, false, flags, ImVec2(w, 0.0f));
        PopStyleVar();
        window->DC.CursorPos.x += IM_FLOOR(style.ItemSpacing.x * (-1.0f + 0.5f));                        
    }
    else
    {
        float shortcut_w = shortcut ? CalcTextSize(shortcut, NULL).x : 0.0f;
        float min_w = window->DC.MenuColumns.DeclColumns(label_size.x, shortcut_w, IM_FLOOR(g.FontSize * 1.20f));     
        float extra_w = ImMax(0.0f, GetContentRegionAvail().x - min_w);
        pressed = Selectable(label, false, flags | ImGuiSelectableFlags_SpanAvailWidth, ImVec2(min_w, 0.0f));
        if (shortcut_w > 0.0f)
        {
            PushStyleColor(ImGuiCol_Text, g.Style.Colors[ImGuiCol_TextDisabled]);
            RenderText(pos + ImVec2(window->DC.MenuColumns.Pos[1] + extra_w, 0.0f), shortcut, NULL, false);
            PopStyleColor();
        }
        if (selected)
            RenderCheckMark(window->DrawList, pos + ImVec2(window->DC.MenuColumns.Pos[2] + extra_w + g.FontSize * 0.40f, g.FontSize * 0.134f * 0.5f), GetColorU32(enabled ? ImGuiCol_Text : ImGuiCol_TextDisabled), g.FontSize  * 0.866f);
    }

    IMGUI_TEST_ENGINE_ITEM_INFO(window->DC.LastItemId, label, window->DC.ItemFlags | ImGuiItemStatusFlags_Checkable | (selected ? ImGuiItemStatusFlags_Checked : 0));
    return pressed;
}

bool ImGui::MenuItem(const char* label, const char* shortcut, bool* p_selected, bool enabled)
{
    if (MenuItem(label, shortcut, p_selected ? *p_selected : false, enabled))
    {
        if (p_selected)
            *p_selected = !*p_selected;
        return true;
    }
    return false;
}

struct ImGuiTabBarSection
{
    int                 TabCount;                     
    float               Width;                             
    float               Spacing;                        

    ImGuiTabBarSection() { memset(this, 0, sizeof(*this)); }
};

namespace ImGui
{
    static void             TabBarLayout(ImGuiTabBar* tab_bar);
    static ImU32            TabBarCalcTabID(ImGuiTabBar* tab_bar, const char* label);
    static float            TabBarCalcMaxTabWidth();
    static float            TabBarScrollClamp(ImGuiTabBar* tab_bar, float scrolling);
    static void             TabBarScrollToTab(ImGuiTabBar* tab_bar, ImGuiTabItem* tab, ImGuiTabBarSection* sections);
    static ImGuiTabItem*    TabBarScrollingButtons(ImGuiTabBar* tab_bar);
    static ImGuiTabItem*    TabBarTabListPopupButton(ImGuiTabBar* tab_bar);
}

ImGuiTabBar::ImGuiTabBar()
{
    memset(this, 0, sizeof(*this));
    CurrFrameVisible = PrevFrameVisible = -1;
    LastTabItemIdx = -1;
}

static int IMGUI_CDECL TabItemComparerBySection(const void* lhs, const void* rhs)
{
    const ImGuiTabItem* a = (const ImGuiTabItem*)lhs;
    const ImGuiTabItem* b = (const ImGuiTabItem*)rhs;
    const int a_section = (a->Flags & ImGuiTabItemFlags_Leading) ? 0 : (a->Flags & ImGuiTabItemFlags_Trailing) ? 2 : 1;
    const int b_section = (b->Flags & ImGuiTabItemFlags_Leading) ? 0 : (b->Flags & ImGuiTabItemFlags_Trailing) ? 2 : 1;
    if (a_section != b_section)
        return a_section - b_section;
    return (int)(a->IndexDuringLayout - b->IndexDuringLayout);
}

static int IMGUI_CDECL TabItemComparerByBeginOrder(const void* lhs, const void* rhs)
{
    const ImGuiTabItem* a = (const ImGuiTabItem*)lhs;
    const ImGuiTabItem* b = (const ImGuiTabItem*)rhs;
    return (int)(a->BeginOrder - b->BeginOrder);
}

static ImGuiTabBar* GetTabBarFromTabBarRef(const ImGuiPtrOrIndex& ref)
{
    ImGuiContext& g = *GImGui;
    return ref.Ptr ? (ImGuiTabBar*)ref.Ptr : g.TabBars.GetByIndex(ref.Index);
}

static ImGuiPtrOrIndex GetTabBarRefFromTabBar(ImGuiTabBar* tab_bar)
{
    ImGuiContext& g = *GImGui;
    if (g.TabBars.Contains(tab_bar))
        return ImGuiPtrOrIndex(g.TabBars.GetIndex(tab_bar));
    return ImGuiPtrOrIndex(tab_bar);
}

bool    ImGui::BeginTabBar(const char* str_id, ImGuiTabBarFlags flags)
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = g.CurrentWindow;
    if (window->SkipItems)
        return false;

    ImGuiID id = window->GetID(str_id);
    ImGuiTabBar* tab_bar = g.TabBars.GetOrAddByKey(id);
    ImRect tab_bar_bb = ImRect(window->DC.CursorPos.x, window->DC.CursorPos.y, window->WorkRect.Max.x, window->DC.CursorPos.y + g.FontSize + g.Style.FramePadding.y * 2);
    tab_bar->ID = id;
    return BeginTabBarEx(tab_bar, tab_bar_bb, flags | ImGuiTabBarFlags_IsFocused);
}

bool    ImGui::BeginTabBarEx(ImGuiTabBar* tab_bar, const ImRect& tab_bar_bb, ImGuiTabBarFlags flags)
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = g.CurrentWindow;
    if (window->SkipItems)
        return false;

    if ((flags & ImGuiTabBarFlags_DockNode) == 0)
        PushOverrideID(tab_bar->ID);

    g.CurrentTabBarStack.push_back(GetTabBarRefFromTabBar(tab_bar));
    g.CurrentTabBar = tab_bar;

    tab_bar->BackupCursorPos = window->DC.CursorPos;
    if (tab_bar->CurrFrameVisible == g.FrameCount)
    {
        window->DC.CursorPos = ImVec2(tab_bar->BarRect.Min.x, tab_bar->BarRect.Max.y + tab_bar->ItemSpacingY);
        tab_bar->BeginCount++;
        return true;
    }

    if ((flags & ImGuiTabBarFlags_Reorderable) != (tab_bar->Flags & ImGuiTabBarFlags_Reorderable) || (tab_bar->TabsAddedNew && !(flags & ImGuiTabBarFlags_Reorderable)))
        if (tab_bar->Tabs.Size > 1)
            ImQsort(tab_bar->Tabs.Data, tab_bar->Tabs.Size, sizeof(ImGuiTabItem), TabItemComparerByBeginOrder);
    tab_bar->TabsAddedNew = false;

    if ((flags & ImGuiTabBarFlags_FittingPolicyMask_) == 0)
        flags |= ImGuiTabBarFlags_FittingPolicyDefault_;

    tab_bar->Flags = flags;
    tab_bar->BarRect = tab_bar_bb;
    tab_bar->WantLayout = true;           
    tab_bar->PrevFrameVisible = tab_bar->CurrFrameVisible;
    tab_bar->CurrFrameVisible = g.FrameCount;
    tab_bar->PrevTabsContentsHeight = tab_bar->CurrTabsContentsHeight;
    tab_bar->CurrTabsContentsHeight = 0.0f;
    tab_bar->ItemSpacingY = g.Style.ItemSpacing.y;
    tab_bar->FramePadding = g.Style.FramePadding;
    tab_bar->TabsActiveCount = 0;
    tab_bar->BeginCount = 1;

   window->DC.CursorPos = ImVec2(tab_bar->BarRect.Min.x, tab_bar->BarRect.Max.y + tab_bar->ItemSpacingY);

    const ImU32 col = colWhite;

    const float y = tab_bar->BarRect.Max.y - 1.0f;
    {
         float separator_min_x = tab_bar->BarRect.Min.x - IM_FLOOR(window->WindowPadding.x * 0.5f) + 2.0f ; 
         float separator_max_x = tab_bar->BarRect.Max.x + IM_FLOOR(window->WindowPadding.x * 0.5f) - 2.0f ; 
        window->DrawList->AddLine(ImVec2(separator_min_x, y), ImVec2(separator_max_x, y), col, 1.0f);

        float vosem = 380.0f;
        window->DrawList->AddLine(ImVec2(separator_min_x, y + vosem), ImVec2(separator_max_x, y + vosem), colBlack, 1.0f);

        window->DrawList->AddLine(ImVec2(separator_min_x, y), ImVec2(separator_min_x, y + vosem), col, 1.0f);
        window->DrawList->AddLine(ImVec2(separator_max_x, y), ImVec2(separator_max_x, y + vosem), colBlack, 1.0f);
    }
    return true;
}

void    ImGui::EndTabBar()
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = g.CurrentWindow;
    if (window->SkipItems)
        return;

    ImGuiTabBar* tab_bar = g.CurrentTabBar;
    if (tab_bar == NULL)
    {
        IM_ASSERT_USER_ERROR(tab_bar != NULL, "Mismatched BeginTabBar()/EndTabBar()!");
        return;
    }

    if (tab_bar->WantLayout)
        TabBarLayout(tab_bar);

    const bool tab_bar_appearing = (tab_bar->PrevFrameVisible + 1 < g.FrameCount);
    if (tab_bar->VisibleTabWasSubmitted || tab_bar->VisibleTabId == 0 || tab_bar_appearing)
    {
        tab_bar->CurrTabsContentsHeight = ImMax(window->DC.CursorPos.y - tab_bar->BarRect.Max.y, tab_bar->CurrTabsContentsHeight);
        window->DC.CursorPos.y = tab_bar->BarRect.Max.y + tab_bar->CurrTabsContentsHeight;
    }
    else
    {
        window->DC.CursorPos.y = tab_bar->BarRect.Max.y + tab_bar->PrevTabsContentsHeight;
    }
    if (tab_bar->BeginCount > 1)
        window->DC.CursorPos = tab_bar->BackupCursorPos;

    if ((tab_bar->Flags & ImGuiTabBarFlags_DockNode) == 0)
        PopID();

    g.CurrentTabBarStack.pop_back();
    g.CurrentTabBar = g.CurrentTabBarStack.empty() ? NULL : GetTabBarFromTabBarRef(g.CurrentTabBarStack.back());
}

static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar)
{
    ImGuiContext& g = *GImGui;
    tab_bar->WantLayout = false;

    int tab_dst_n = 0;
    bool need_sort_by_section = false;
    ImGuiTabBarSection sections[3];      
    for (int tab_src_n = 0; tab_src_n < tab_bar->Tabs.Size; tab_src_n++)
    {
        ImGuiTabItem* tab = &tab_bar->Tabs[tab_src_n];
        if (tab->LastFrameVisible < tab_bar->PrevFrameVisible || tab->WantClose)
        {
            if (tab_bar->VisibleTabId == tab->ID) { tab_bar->VisibleTabId = 0; }
            if (tab_bar->SelectedTabId == tab->ID) { tab_bar->SelectedTabId = 0; }
            if (tab_bar->NextSelectedTabId == tab->ID) { tab_bar->NextSelectedTabId = 0; }
            continue;
        }
        if (tab_dst_n != tab_src_n)
            tab_bar->Tabs[tab_dst_n] = tab_bar->Tabs[tab_src_n];

        tab = &tab_bar->Tabs[tab_dst_n];
        tab->IndexDuringLayout = (ImS16)tab_dst_n;

        int curr_tab_section_n = (tab->Flags & ImGuiTabItemFlags_Leading) ? 0 : (tab->Flags & ImGuiTabItemFlags_Trailing) ? 2 : 1;
        if (tab_dst_n > 0)
        {
            ImGuiTabItem* prev_tab = &tab_bar->Tabs[tab_dst_n - 1];
            int prev_tab_section_n = (prev_tab->Flags & ImGuiTabItemFlags_Leading) ? 0 : (prev_tab->Flags & ImGuiTabItemFlags_Trailing) ? 2 : 1;
            if (curr_tab_section_n == 0 && prev_tab_section_n != 0)
                need_sort_by_section = true;
            if (prev_tab_section_n == 2 && curr_tab_section_n != 2)
                need_sort_by_section = true;
        }

        sections[curr_tab_section_n].TabCount++;
        tab_dst_n++;
    }
    if (tab_bar->Tabs.Size != tab_dst_n)
        tab_bar->Tabs.resize(tab_dst_n);

    if (need_sort_by_section)
        ImQsort(tab_bar->Tabs.Data, tab_bar->Tabs.Size, sizeof(ImGuiTabItem), TabItemComparerBySection);

    sections[0].Spacing = sections[0].TabCount > 0 && (sections[1].TabCount + sections[2].TabCount) > 0 ? g.Style.ItemInnerSpacing.x : 0.0f;
    sections[1].Spacing = sections[1].TabCount > 0 && sections[2].TabCount > 0 ? g.Style.ItemInnerSpacing.x : 0.0f;

    ImGuiID scroll_track_selected_tab_id = 0;
    if (tab_bar->NextSelectedTabId)
    {
        tab_bar->SelectedTabId = tab_bar->NextSelectedTabId;
        tab_bar->NextSelectedTabId = 0;
        scroll_track_selected_tab_id = tab_bar->SelectedTabId;
    }

    if (tab_bar->ReorderRequestTabId != 0)
    {
        if (TabBarProcessReorder(tab_bar))
            if (tab_bar->ReorderRequestTabId == tab_bar->SelectedTabId)
                scroll_track_selected_tab_id = tab_bar->ReorderRequestTabId;
        tab_bar->ReorderRequestTabId = 0;
    }

    const bool tab_list_popup_button = (tab_bar->Flags & ImGuiTabBarFlags_TabListPopupButton) != 0;
    if (tab_list_popup_button)
        if (ImGuiTabItem* tab_to_select = TabBarTabListPopupButton(tab_bar))     
            scroll_track_selected_tab_id = tab_bar->SelectedTabId = tab_to_select->ID;

    int shrink_buffer_indexes[3] = { 0, sections[0].TabCount + sections[2].TabCount, sections[0].TabCount };
    g.ShrinkWidthBuffer.resize(tab_bar->Tabs.Size);

    ImGuiTabItem* most_recently_selected_tab = NULL;
    int curr_section_n = -1;
    bool found_selected_tab_id = false;
    for (int tab_n = 0; tab_n < tab_bar->Tabs.Size; tab_n++)
    {
        ImGuiTabItem* tab = &tab_bar->Tabs[tab_n];
        IM_ASSERT(tab->LastFrameVisible >= tab_bar->PrevFrameVisible);

        if ((most_recently_selected_tab == NULL || most_recently_selected_tab->LastFrameSelected < tab->LastFrameSelected) && !(tab->Flags & ImGuiTabItemFlags_Button))
            most_recently_selected_tab = tab;
        if (tab->ID == tab_bar->SelectedTabId)
            found_selected_tab_id = true;
        if (scroll_track_selected_tab_id == 0 && g.NavJustMovedToId == tab->ID)
            scroll_track_selected_tab_id = tab->ID;

        const char* tab_name = tab_bar->GetTabName(tab);
        const bool has_close_button = (tab->Flags & ImGuiTabItemFlags_NoCloseButton) ? false : true;
        tab->ContentWidth = TabItemCalcSize(tab_name, has_close_button).x;

        int section_n = (tab->Flags & ImGuiTabItemFlags_Leading) ? 0 : (tab->Flags & ImGuiTabItemFlags_Trailing) ? 2 : 1;
        ImGuiTabBarSection* section = &sections[section_n];
        section->Width += tab->ContentWidth + (section_n == curr_section_n ? g.Style.ItemInnerSpacing.x : 0.0f);
        curr_section_n = section_n;

        int shrink_buffer_index = shrink_buffer_indexes[section_n]++;
        g.ShrinkWidthBuffer[shrink_buffer_index].Index = tab_n;
        g.ShrinkWidthBuffer[shrink_buffer_index].Width = tab->ContentWidth;

        IM_ASSERT(tab->ContentWidth > 0.0f);
        tab->Width = tab->ContentWidth;
    }

    tab_bar->WidthAllTabsIdeal = 0.0f;
    for (int section_n = 0; section_n < 3; section_n++)
        tab_bar->WidthAllTabsIdeal += sections[section_n].Width + sections[section_n].Spacing;

    if ((tab_bar->WidthAllTabsIdeal > tab_bar->BarRect.GetWidth() && tab_bar->Tabs.Size > 1) && !(tab_bar->Flags & ImGuiTabBarFlags_NoTabListScrollingButtons) && (tab_bar->Flags & ImGuiTabBarFlags_FittingPolicyScroll))
        if (ImGuiTabItem* scroll_track_selected_tab = TabBarScrollingButtons(tab_bar))
        {
            scroll_track_selected_tab_id = scroll_track_selected_tab->ID;
            if (!(scroll_track_selected_tab->Flags & ImGuiTabItemFlags_Button))
                tab_bar->SelectedTabId = scroll_track_selected_tab_id;
        }

    float section_0_w = sections[0].Width + sections[0].Spacing;
    float section_1_w = sections[1].Width + sections[1].Spacing;
    float section_2_w = sections[2].Width + sections[2].Spacing;
    bool central_section_is_visible = (section_0_w + section_2_w) < tab_bar->BarRect.GetWidth();
    float width_excess;
    if (central_section_is_visible)
        width_excess = ImMax(section_1_w - (tab_bar->BarRect.GetWidth() - section_0_w - section_2_w), 0.0f);       
    else
        width_excess = (section_0_w + section_2_w) - tab_bar->BarRect.GetWidth();       

    if (width_excess > 0.0f && ((tab_bar->Flags & ImGuiTabBarFlags_FittingPolicyResizeDown) || !central_section_is_visible))
    {
        int shrink_data_count = (central_section_is_visible ? sections[1].TabCount : sections[0].TabCount + sections[2].TabCount);
        int shrink_data_offset = (central_section_is_visible ? sections[0].TabCount + sections[2].TabCount : 0);
        ShrinkWidths(g.ShrinkWidthBuffer.Data + shrink_data_offset, shrink_data_count, width_excess);

        for (int tab_n = shrink_data_offset; tab_n < shrink_data_offset + shrink_data_count; tab_n++)
        {
            ImGuiTabItem* tab = &tab_bar->Tabs[g.ShrinkWidthBuffer[tab_n].Index];
            float shrinked_width = IM_FLOOR(g.ShrinkWidthBuffer[tab_n].Width);
            if (shrinked_width < 0.0f)
                continue;

            int section_n = (tab->Flags & ImGuiTabItemFlags_Leading) ? 0 : (tab->Flags & ImGuiTabItemFlags_Trailing) ? 2 : 1;
            sections[section_n].Width -= (tab->Width - shrinked_width);
            tab->Width = shrinked_width;
        }
    }

    int section_tab_index = 0;
    float tab_offset = 0.0f;
    tab_bar->WidthAllTabs = 0.0f;
    for (int section_n = 0; section_n < 3; section_n++)
    {
        ImGuiTabBarSection* section = &sections[section_n];
        if (section_n == 2)
            tab_offset = ImMin(ImMax(0.0f, tab_bar->BarRect.GetWidth() - section->Width), tab_offset);

        for (int tab_n = 0; tab_n < section->TabCount; tab_n++)
        {
            ImGuiTabItem* tab = &tab_bar->Tabs[section_tab_index + tab_n];
            tab->Offset = tab_offset;
            tab_offset += tab->Width + (tab_n < section->TabCount - 1 ? g.Style.ItemInnerSpacing.x : 0.0f);
        }
        tab_bar->WidthAllTabs += ImMax(section->Width + section->Spacing, 0.0f);
        tab_offset += section->Spacing;
        section_tab_index += section->TabCount;
    }

    if (found_selected_tab_id == false)
        tab_bar->SelectedTabId = 0;
    if (tab_bar->SelectedTabId == 0 && tab_bar->NextSelectedTabId == 0 && most_recently_selected_tab != NULL)
        scroll_track_selected_tab_id = tab_bar->SelectedTabId = most_recently_selected_tab->ID;

    tab_bar->VisibleTabId = tab_bar->SelectedTabId;
    tab_bar->VisibleTabWasSubmitted = false;

    if (scroll_track_selected_tab_id)
        if (ImGuiTabItem* scroll_track_selected_tab = TabBarFindTabByID(tab_bar, scroll_track_selected_tab_id))
            TabBarScrollToTab(tab_bar, scroll_track_selected_tab, sections);
    tab_bar->ScrollingAnim = TabBarScrollClamp(tab_bar, tab_bar->ScrollingAnim);
    tab_bar->ScrollingTarget = TabBarScrollClamp(tab_bar, tab_bar->ScrollingTarget);
    if (tab_bar->ScrollingAnim != tab_bar->ScrollingTarget)
    {
        tab_bar->ScrollingSpeed = ImMax(tab_bar->ScrollingSpeed, 70.0f * g.FontSize);
        tab_bar->ScrollingSpeed = ImMax(tab_bar->ScrollingSpeed, ImFabs(tab_bar->ScrollingTarget - tab_bar->ScrollingAnim) / 0.3f);
        const bool teleport = (tab_bar->PrevFrameVisible + 1 < g.FrameCount) || (tab_bar->ScrollingTargetDistToVisibility > 10.0f * g.FontSize);
        tab_bar->ScrollingAnim = teleport ? tab_bar->ScrollingTarget : ImLinearSweep(tab_bar->ScrollingAnim, tab_bar->ScrollingTarget, g.IO.DeltaTime * tab_bar->ScrollingSpeed);
    }
    else
    {
        tab_bar->ScrollingSpeed = 0.0f;
    }
    tab_bar->ScrollingRectMinX = tab_bar->BarRect.Min.x + sections[0].Width + sections[0].Spacing;
    tab_bar->ScrollingRectMaxX = tab_bar->BarRect.Max.x - sections[2].Width - sections[1].Spacing;

    if ((tab_bar->Flags & ImGuiTabBarFlags_DockNode) == 0)
        tab_bar->TabsNames.Buf.resize(0);

    ImGuiWindow* window = g.CurrentWindow;
    window->DC.CursorPos = tab_bar->BarRect.Min;
    ItemSize(ImVec2(tab_bar->WidthAllTabs, tab_bar->BarRect.GetHeight()), tab_bar->FramePadding.y);
    window->DC.IdealMaxPos.x = ImMax(window->DC.IdealMaxPos.x, tab_bar->BarRect.Min.x + tab_bar->WidthAllTabsIdeal);
}

static ImU32   ImGui::TabBarCalcTabID(ImGuiTabBar* tab_bar, const char* label)
{
    if (tab_bar->Flags & ImGuiTabBarFlags_DockNode)
    {
        ImGuiID id = ImHashStr(label);
        KeepAliveID(id);
        return id;
    }
    else
    {
        ImGuiWindow* window = GImGui->CurrentWindow;
        return window->GetID(label);
    }
}

static float ImGui::TabBarCalcMaxTabWidth()
{
    ImGuiContext& g = *GImGui;
    return g.FontSize * 20.0f;
}

ImGuiTabItem* ImGui::TabBarFindTabByID(ImGuiTabBar* tab_bar, ImGuiID tab_id)
{
    if (tab_id != 0)
        for (int n = 0; n < tab_bar->Tabs.Size; n++)
            if (tab_bar->Tabs[n].ID == tab_id)
                return &tab_bar->Tabs[n];
    return NULL;
}

void ImGui::TabBarRemoveTab(ImGuiTabBar* tab_bar, ImGuiID tab_id)
{
    if (ImGuiTabItem* tab = TabBarFindTabByID(tab_bar, tab_id))
        tab_bar->Tabs.erase(tab);
    if (tab_bar->VisibleTabId == tab_id)      { tab_bar->VisibleTabId = 0; }
    if (tab_bar->SelectedTabId == tab_id)     { tab_bar->SelectedTabId = 0; }
    if (tab_bar->NextSelectedTabId == tab_id) { tab_bar->NextSelectedTabId = 0; }
}

void ImGui::TabBarCloseTab(ImGuiTabBar* tab_bar, ImGuiTabItem* tab)
{
    IM_ASSERT(!(tab->Flags & ImGuiTabItemFlags_Button));
    if (!(tab->Flags & ImGuiTabItemFlags_UnsavedDocument))
    {
        tab->WantClose = true;
        if (tab_bar->VisibleTabId == tab->ID)
        {
            tab->LastFrameVisible = -1;
            tab_bar->SelectedTabId = tab_bar->NextSelectedTabId = 0;
        }
    }
    else
    {
        if (tab_bar->VisibleTabId != tab->ID)
            tab_bar->NextSelectedTabId = tab->ID;
    }
}

static float ImGui::TabBarScrollClamp(ImGuiTabBar* tab_bar, float scrolling)
{
    scrolling = ImMin(scrolling, tab_bar->WidthAllTabs - tab_bar->BarRect.GetWidth());
    return ImMax(scrolling, 0.0f);
}

static void ImGui::TabBarScrollToTab(ImGuiTabBar* tab_bar, ImGuiTabItem* tab, ImGuiTabBarSection* sections)
{
    if (tab->Flags & (ImGuiTabItemFlags_Leading | ImGuiTabItemFlags_Trailing))
        return;

    ImGuiContext& g = *GImGui;
    float margin = g.FontSize * 1.0f;                           
    int order = tab_bar->GetTabOrder(tab);

    float scrollable_width = tab_bar->BarRect.GetWidth() - sections[0].Width - sections[2].Width - sections[1].Spacing;

    float tab_x1 = tab->Offset - sections[0].Width + (order > sections[0].TabCount - 1 ? -margin : 0.0f);
    float tab_x2 = tab->Offset - sections[0].Width + tab->Width + (order + 1 < tab_bar->Tabs.Size - sections[2].TabCount ? margin : 1.0f);
    tab_bar->ScrollingTargetDistToVisibility = 0.0f;
    if (tab_bar->ScrollingTarget > tab_x1 || (tab_x2 - tab_x1 >= scrollable_width))
    {
        tab_bar->ScrollingTargetDistToVisibility = ImMax(tab_bar->ScrollingAnim - tab_x2, 0.0f);
        tab_bar->ScrollingTarget = tab_x1;
    }
    else if (tab_bar->ScrollingTarget < tab_x2 - scrollable_width)
    {
        tab_bar->ScrollingTargetDistToVisibility = ImMax((tab_x1 - scrollable_width) - tab_bar->ScrollingAnim, 0.0f);
        tab_bar->ScrollingTarget = tab_x2 - scrollable_width;
    }
}

void ImGui::TabBarQueueReorder(ImGuiTabBar* tab_bar, const ImGuiTabItem* tab, int dir)
{
    IM_ASSERT(dir == -1 || dir == +1);
    IM_ASSERT(tab_bar->ReorderRequestTabId == 0);
    tab_bar->ReorderRequestTabId = tab->ID;
    tab_bar->ReorderRequestDir = (ImS8)dir;
}

bool ImGui::TabBarProcessReorder(ImGuiTabBar* tab_bar)
{
    ImGuiTabItem* tab1 = TabBarFindTabByID(tab_bar, tab_bar->ReorderRequestTabId);
    if (tab1 == NULL || (tab1->Flags & ImGuiTabItemFlags_NoReorder))
        return false;

    int tab2_order = tab_bar->GetTabOrder(tab1) + tab_bar->ReorderRequestDir;
    if (tab2_order < 0 || tab2_order >= tab_bar->Tabs.Size)
        return false;

    ImGuiTabItem* tab2 = &tab_bar->Tabs[tab2_order];
    if (tab2->Flags & ImGuiTabItemFlags_NoReorder)
        return false;
    if ((tab1->Flags & (ImGuiTabItemFlags_Leading | ImGuiTabItemFlags_Trailing)) != (tab2->Flags & (ImGuiTabItemFlags_Leading | ImGuiTabItemFlags_Trailing)))
        return false;

    ImGuiTabItem item_tmp = *tab1;
    *tab1 = *tab2;
    *tab2 = item_tmp;

    if (tab_bar->Flags & ImGuiTabBarFlags_SaveSettings)
        MarkIniSettingsDirty();
    return true;
}

static ImGuiTabItem* ImGui::TabBarScrollingButtons(ImGuiTabBar* tab_bar)
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = g.CurrentWindow;

    const ImVec2 arrow_button_size(g.FontSize - 2.0f, g.FontSize + g.Style.FramePadding.y * 2.0f);
    const float scrolling_buttons_width = arrow_button_size.x * 2.0f;

    const ImVec2 backup_cursor_pos = window->DC.CursorPos;
    int select_dir = 0;
    ImVec4 arrow_col = g.Style.Colors[ImGuiCol_Text];
    arrow_col.w *= 0.5f;

    PushStyleColor(ImGuiCol_Text, arrow_col);
    PushStyleColor(ImGuiCol_Button, ImVec4(0, 0, 0, 0));
    const float backup_repeat_delay = g.IO.KeyRepeatDelay;
    const float backup_repeat_rate = g.IO.KeyRepeatRate;
    g.IO.KeyRepeatDelay = 0.250f;
    g.IO.KeyRepeatRate = 0.200f;
    float x = ImMax(tab_bar->BarRect.Min.x, tab_bar->BarRect.Max.x - scrolling_buttons_width);
    window->DC.CursorPos = ImVec2(x, tab_bar->BarRect.Min.y);
    if (ArrowButtonEx("##<", ImGuiDir_Left, arrow_button_size, ImGuiButtonFlags_PressedOnClick | ImGuiButtonFlags_Repeat))
        select_dir = -1;
    window->DC.CursorPos = ImVec2(x + arrow_button_size.x, tab_bar->BarRect.Min.y);
    if (ArrowButtonEx("##>", ImGuiDir_Right, arrow_button_size, ImGuiButtonFlags_PressedOnClick | ImGuiButtonFlags_Repeat))
        select_dir = +1;
    PopStyleColor(2);
    g.IO.KeyRepeatRate = backup_repeat_rate;
    g.IO.KeyRepeatDelay = backup_repeat_delay;

    ImGuiTabItem* tab_to_scroll_to = NULL;
    if (select_dir != 0)
        if (ImGuiTabItem* tab_item = TabBarFindTabByID(tab_bar, tab_bar->SelectedTabId))
        {
            int selected_order = tab_bar->GetTabOrder(tab_item);
            int target_order = selected_order + select_dir;

            while (tab_to_scroll_to == NULL)
            {
                tab_to_scroll_to = &tab_bar->Tabs[(target_order >= 0 && target_order < tab_bar->Tabs.Size) ? target_order : selected_order];

                if (tab_to_scroll_to->Flags & ImGuiTabItemFlags_Button)
                {
                    target_order += select_dir;
                    selected_order += select_dir;
                    tab_to_scroll_to = (target_order < 0 || target_order >= tab_bar->Tabs.Size) ? tab_to_scroll_to : NULL;
                }
            }
        }
    window->DC.CursorPos = backup_cursor_pos;
    tab_bar->BarRect.Max.x -= scrolling_buttons_width + 1.0f;

    return tab_to_scroll_to;
}

static ImGuiTabItem* ImGui::TabBarTabListPopupButton(ImGuiTabBar* tab_bar)
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = g.CurrentWindow;

    const float tab_list_popup_button_width = g.FontSize + g.Style.FramePadding.y;
    const ImVec2 backup_cursor_pos = window->DC.CursorPos;
    window->DC.CursorPos = ImVec2(tab_bar->BarRect.Min.x - g.Style.FramePadding.y, tab_bar->BarRect.Min.y);
    tab_bar->BarRect.Min.x += tab_list_popup_button_width;

    ImVec4 arrow_col = g.Style.Colors[ImGuiCol_Text];
    arrow_col.w *= 0.5f;
    PushStyleColor(ImGuiCol_Text, arrow_col);
    PushStyleColor(ImGuiCol_Button, ImVec4(0, 0, 0, 0));
    bool open = BeginCombo("##v", NULL, ImGuiComboFlags_NoPreview | ImGuiComboFlags_HeightLargest);
    PopStyleColor(2);

    ImGuiTabItem* tab_to_select = NULL;
    if (open)
    {
        for (int tab_n = 0; tab_n < tab_bar->Tabs.Size; tab_n++)
        {
            ImGuiTabItem* tab = &tab_bar->Tabs[tab_n];
            if (tab->Flags & ImGuiTabItemFlags_Button)
                continue;

            const char* tab_name = tab_bar->GetTabName(tab);
            if (Selectable(tab_name, tab_bar->SelectedTabId == tab->ID))
                tab_to_select = tab;
        }
        EndCombo();
    }

    window->DC.CursorPos = backup_cursor_pos;
    return tab_to_select;
}

bool    ImGui::BeginTabItem(const char* label, bool* p_open, ImGuiTabItemFlags flags)
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = g.CurrentWindow;
    if (window->SkipItems)
        return false;

    ImGuiTabBar* tab_bar = g.CurrentTabBar;
    if (tab_bar == NULL)
    {
        IM_ASSERT_USER_ERROR(tab_bar, "Needs to be called between BeginTabBar() and EndTabBar()!");
        return false;
    }
    IM_ASSERT(!(flags & ImGuiTabItemFlags_Button));           

    bool ret = TabItemEx(tab_bar, label, p_open, flags);
    if (ret && !(flags & ImGuiTabItemFlags_NoPushId))
    {
        ImGuiTabItem* tab = &tab_bar->Tabs[tab_bar->LastTabItemIdx];
        PushOverrideID(tab->ID);                   
    }
    return ret;
}

void    ImGui::EndTabItem()
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = g.CurrentWindow;
    if (window->SkipItems)
        return;

    ImGuiTabBar* tab_bar = g.CurrentTabBar;
    if (tab_bar == NULL)
    {
        IM_ASSERT_USER_ERROR(tab_bar != NULL, "Needs to be called between BeginTabBar() and EndTabBar()!");
        return;
    }
    IM_ASSERT(tab_bar->LastTabItemIdx >= 0);
    ImGuiTabItem* tab = &tab_bar->Tabs[tab_bar->LastTabItemIdx];
    if (!(tab->Flags & ImGuiTabItemFlags_NoPushId))
        PopID();
}

bool    ImGui::TabItemButton(const char* label, ImGuiTabItemFlags flags)
{
    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = g.CurrentWindow;
    if (window->SkipItems)
        return false;

    ImGuiTabBar* tab_bar = g.CurrentTabBar;
    if (tab_bar == NULL)
    {
        IM_ASSERT_USER_ERROR(tab_bar != NULL, "Needs to be called between BeginTabBar() and EndTabBar()!");
        return false;
    }
    return TabItemEx(tab_bar, label, NULL, flags | ImGuiTabItemFlags_Button | ImGuiTabItemFlags_NoReorder);
}

bool    ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open, ImGuiTabItemFlags flags)
{
    if (tab_bar->WantLayout)
        TabBarLayout(tab_bar);

    ImGuiContext& g = *GImGui;
    ImGuiWindow* window = g.CurrentWindow;
    if (window->SkipItems)
        return false;

    const ImGuiStyle& style = g.Style;
    const ImGuiID id = TabBarCalcTabID(tab_bar, label);

    IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.LastItemStatusFlags);
    if (p_open && !*p_open)
    {
        PushItemFlag(ImGuiItemFlags_NoNav | ImGuiItemFlags_NoNavDefaultFocus, true);
        ItemAdd(ImRect(), id);
        PopItemFlag();
        return false;
    }

    IM_ASSERT(!p_open || !(flags & ImGuiTabItemFlags_Button));
    IM_ASSERT((flags & (ImGuiTabItemFlags_Leading | ImGuiTabItemFlags_Trailing)) != (ImGuiTabItemFlags_Leading | ImGuiTabItemFlags_Trailing));       

    if (flags & ImGuiTabItemFlags_NoCloseButton)
        p_open = NULL;
    else if (p_open == NULL)
        flags |= ImGuiTabItemFlags_NoCloseButton;

    ImVec2 size = TabItemCalcSize(label, p_open != NULL);
    ImGuiTabItem* tab = TabBarFindTabByID(tab_bar, id);
    bool tab_is_new = false;
    if (tab == NULL)
    {
        tab_bar->Tabs.push_back(ImGuiTabItem());
        tab = &tab_bar->Tabs.back();
        tab->ID = id;
        tab->Width = size.x;
        tab_bar->TabsAddedNew = true;
        tab_is_new = true;
    }
    tab_bar->LastTabItemIdx = (ImS16)tab_bar->Tabs.index_from_ptr(tab);
    tab->ContentWidth = size.x;
    tab->BeginOrder = tab_bar->TabsActiveCount++;

    const bool tab_bar_appearing = (tab_bar->PrevFrameVisible + 1 < g.FrameCount);
    const bool tab_bar_focused = (tab_bar->Flags & ImGuiTabBarFlags_IsFocused) != 0;
    const bool tab_appearing = (tab->LastFrameVisible + 1 < g.FrameCount);
    const bool is_tab_button = (flags & ImGuiTabItemFlags_Button) != 0;
    tab->LastFrameVisible = g.FrameCount;
    tab->Flags = flags;

    tab->NameOffset = (ImS16)tab_bar->TabsNames.size();
    tab_bar->TabsNames.append(label, label + strlen(label) + 1);

    if (tab_appearing && (tab_bar->Flags & ImGuiTabBarFlags_AutoSelectNewTabs) && tab_bar->NextSelectedTabId == 0)
        if (!tab_bar_appearing || tab_bar->SelectedTabId == 0)
            if (!is_tab_button)
                tab_bar->NextSelectedTabId = id;      
    if ((flags & ImGuiTabItemFlags_SetSelected) && (tab_bar->SelectedTabId != id))          
        if (!is_tab_button)
            tab_bar->NextSelectedTabId = id;

    bool tab_contents_visible = (tab_bar->VisibleTabId == id);
    if (tab_contents_visible)
        tab_bar->VisibleTabWasSubmitted = true;

    if (!tab_contents_visible && tab_bar->SelectedTabId == 0 && tab_bar_appearing)
        if (tab_bar->Tabs.Size == 1 && !(tab_bar->Flags & ImGuiTabBarFlags_AutoSelectNewTabs))
            tab_contents_visible = true;

    if (tab_appearing && (!tab_bar_appearing || tab_is_new))
    {
        PushItemFlag(ImGuiItemFlags_NoNav | ImGuiItemFlags_NoNavDefaultFocus, true);
        ItemAdd(ImRect(), id);
        PopItemFlag();
        if (is_tab_button)
            return false;
        return tab_contents_visible;
    }

    if (tab_bar->SelectedTabId == id)
        tab->LastFrameSelected = g.FrameCount;

    const ImVec2 backup_main_cursor_pos = window->DC.CursorPos;

    const bool is_central_section = (tab->Flags & (ImGuiTabItemFlags_Leading | ImGuiTabItemFlags_Trailing)) == 0;
    size.x = tab->Width;
    if (is_central_section)
        window->DC.CursorPos = tab_bar->BarRect.Min + ImVec2(IM_FLOOR(tab->Offset - tab_bar->ScrollingAnim), 0.0f);
    else
        window->DC.CursorPos = tab_bar->BarRect.Min + ImVec2(tab->Offset, 0.0f);
    ImVec2 pos = window->DC.CursorPos;
    ImRect bb(pos, pos + size);

    const bool want_clip_rect = is_central_section && (bb.Min.x < tab_bar->ScrollingRectMinX || bb.Max.x > tab_bar->ScrollingRectMaxX);
    if (want_clip_rect)
        PushClipRect(ImVec2(ImMax(bb.Min.x, tab_bar->ScrollingRectMinX), bb.Min.y - 1), ImVec2(tab_bar->ScrollingRectMaxX, bb.Max.y), true);

    ImVec2 backup_cursor_max_pos = window->DC.CursorMaxPos;
    ItemSize(bb.GetSize(), style.FramePadding.y);
    window->DC.CursorMaxPos = backup_cursor_max_pos;

    if (!ItemAdd(bb, id))
    {
        if (want_clip_rect)
            PopClipRect();
        window->DC.CursorPos = backup_main_cursor_pos;
        return tab_contents_visible;
    }

    ImGuiButtonFlags button_flags = ((is_tab_button ? ImGuiButtonFlags_PressedOnClickRelease : ImGuiButtonFlags_PressedOnClick) | ImGuiButtonFlags_AllowItemOverlap);
    if (g.DragDropActive)
        button_flags |= ImGuiButtonFlags_PressedOnDragDropHold;
    bool hovered, held;
    bool pressed = ButtonBehavior(bb, id, &hovered, &held, button_flags);
    if (pressed && !is_tab_button)
        tab_bar->NextSelectedTabId = id;
    hovered |= (g.HoveredId == id);

    if (g.ActiveId != id)
        SetItemAllowOverlap();

    if (held && !tab_appearing && IsMouseDragging(0))
    {
        if (!g.DragDropActive && (tab_bar->Flags & ImGuiTabBarFlags_Reorderable))
        {
            if (g.IO.MouseDelta.x < 0.0f && g.IO.MousePos.x < bb.Min.x)
            {
                if (tab_bar->Flags & ImGuiTabBarFlags_Reorderable)
                    TabBarQueueReorder(tab_bar, tab, -1);
            }
            else if (g.IO.MouseDelta.x > 0.0f && g.IO.MousePos.x > bb.Max.x)
            {
                if (tab_bar->Flags & ImGuiTabBarFlags_Reorderable)
                    TabBarQueueReorder(tab_bar, tab, +1);
            }
        }
    }

#if 0
    if (hovered && g.HoveredIdNotActiveTimer > TOOLTIP_DELAY && bb.GetWidth() < tab->ContentWidth)
    {
        bb.Max.x = bb.Min.x + IM_FLOOR(ImLerp(bb.GetWidth(), tab->ContentWidth, ImSaturate((g.HoveredIdNotActiveTimer - 0.40f) * 6.0f)));
        display_draw_list = GetForegroundDrawList(window);
        TabItemBackground(display_draw_list, bb, flags, GetColorU32(ImGuiCol_TitleBgActive));
    }
#endif

    ImDrawList* display_draw_list = window->DrawList;
    const ImU32 tab_col = GetColorU32(ImGuiCol_Tab);
    bb.Min.y -= 5.0f;
    if ( tab_contents_visible && tab_bar_focused) bb.Min.y -= 3.0f; 
    bb.Max.x += 3.0f; bb.Max.y += 1.0f; 
    TabItemBackground(display_draw_list, bb, flags, tab_col);

    const float y2 = bb.Max.y - 1.0f;
    if ((!tab_contents_visible && tab_bar_focused)) {
        display_draw_list->PathLineTo(ImVec2(bb.Min.x + 0.5f, y2));
        display_draw_list->PathLineTo(ImVec2(bb.Max.x - 0.5f, y2));
        display_draw_list->PathStroke(colWhite, false, g.Style.TabBorderSize);
    } 

    RenderNavHighlight(bb, id);

    const bool hovered_unblocked = IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup);
    if (hovered_unblocked && (IsMouseClicked(1) || IsMouseReleased(1)))
        if (!is_tab_button)
            tab_bar->NextSelectedTabId = id;

    if (tab_bar->Flags & ImGuiTabBarFlags_NoCloseWithMiddleMouseButton)
        flags |= ImGuiTabItemFlags_NoCloseWithMiddleMouseButton;

    const ImGuiID close_button_id = p_open ? GetIDWithSeed("#CLOSE", NULL, id) : 0;
    bool just_closed;
    bool text_clipped;

    bb.Min.y += 3.0f;
    if ((!tab_contents_visible && tab_bar_focused))
        TabItemLabelAndCloseButton(display_draw_list, bb, flags, tab_bar->FramePadding, label, id, close_button_id, tab_contents_visible, &just_closed, &text_clipped, false);
    else
        TabItemLabelAndCloseButton(display_draw_list, bb, flags, tab_bar->FramePadding, label, id, close_button_id, tab_contents_visible, &just_closed, &text_clipped);

    if (just_closed && p_open != NULL)
    {
        *p_open = false;
        TabBarCloseTab(tab_bar, tab);
    }

    if (want_clip_rect)
        PopClipRect();
    window->DC.CursorPos = backup_main_cursor_pos;

    if (text_clipped && g.HoveredId == id && !held && g.HoveredIdNotActiveTimer > g.TooltipSlowDelay && IsItemHovered())
        if (!(tab_bar->Flags & ImGuiTabBarFlags_NoTooltip) && !(tab->Flags & ImGuiTabItemFlags_NoTooltip))
            SetTooltip("%.*s", (int)(FindRenderedTextEnd(label) - label), label);

    IM_ASSERT(!is_tab_button || !(tab_bar->SelectedTabId == tab->ID && is_tab_button));      
    if (is_tab_button)
        return pressed;
    return tab_contents_visible;
}

void    ImGui::SetTabItemClosed(const char* label)
{
    ImGuiContext& g = *GImGui;
    bool is_within_manual_tab_bar = g.CurrentTabBar && !(g.CurrentTabBar->Flags & ImGuiTabBarFlags_DockNode);
    if (is_within_manual_tab_bar)
    {
        ImGuiTabBar* tab_bar = g.CurrentTabBar;
        ImGuiID tab_id = TabBarCalcTabID(tab_bar, label);
        if (ImGuiTabItem* tab = TabBarFindTabByID(tab_bar, tab_id))
            tab->WantClose = true;         
    }
}

ImVec2 ImGui::TabItemCalcSize(const char* label, bool has_close_button)
{
    ImGuiContext& g = *GImGui;
    ImVec2 label_size = CalcTextSize(label, NULL, true);
    ImVec2 size = ImVec2(label_size.x + g.Style.FramePadding.x, label_size.y + g.Style.FramePadding.y * 2.0f);
    if (has_close_button)
        size.x += g.Style.FramePadding.x + (g.Style.ItemInnerSpacing.x + g.FontSize);           
    else
        size.x += g.Style.FramePadding.x + 1.0f;

    return ImVec2(ImMin(size.x, TabBarCalcMaxTabWidth()), size.y);
}

void ImGui::TabItemBackground(ImDrawList* draw_list, const ImRect& bb, ImGuiTabItemFlags flags, ImU32 col)
{
    ImGuiContext& g = *GImGui;
    const float width = bb.GetWidth();
    IM_UNUSED(flags);
    IM_ASSERT(width > 0.0f);
    const float rounding = ImMax(0.0f, ImMin((flags & ImGuiTabItemFlags_Button) ? g.Style.FrameRounding : g.Style.TabRounding, width * 0.5f - 1.0f));
    const float y1 = bb.Min.y + 1.0f;
    const float y2 = bb.Max.y - 1.0f;
    draw_list->PathLineTo(ImVec2(bb.Min.x, y2));
    draw_list->PathArcToFast(ImVec2(bb.Min.x + rounding, y1 + rounding), rounding, 6, 9);
    draw_list->PathArcToFast(ImVec2(bb.Max.x - rounding, y1 + rounding), rounding, 9, 12);
    draw_list->PathLineTo(ImVec2(bb.Max.x, y2));
    draw_list->PathFillConvex(col);
    if (g.Style.TabBorderSize > 0.0f)
    {
        draw_list->PathLineTo(ImVec2(bb.Min.x + 0.5f, y2));
        draw_list->PathArcToFast(ImVec2(bb.Min.x + rounding + 0.5f, y1 + rounding + 0.5f), rounding, 6, 9);
        draw_list->PathArcToFast(ImVec2(bb.Max.x - rounding - 0.5f, y1 + rounding + 0.5f), rounding, 9, 12);
        draw_list->PathLineTo(ImVec2(bb.Max.x - 0.5f, y2));
        draw_list->PathStroke(GetColorU32(ImGuiCol_Border), false, g.Style.TabBorderSize); 

        draw_list->PathLineTo(ImVec2(bb.Max.x, y2));
        draw_list->PathLineTo(ImVec2(bb.Max.x, bb.Min.y + 2.0f));
        draw_list->PathStroke(colBlack, false, g.Style.TabBorderSize);
    }
}

void ImGui::TabItemLabelAndCloseButton(ImDrawList* draw_list, const ImRect& bb, ImGuiTabItemFlags flags, ImVec2 frame_padding, const char* label, ImGuiID tab_id, ImGuiID close_button_id, bool is_contents_visible, bool* out_just_closed, bool* out_text_clipped, bool tabActive)
{
    ImGuiContext& g = *GImGui;
    ImVec2 label_size = CalcTextSize(label, NULL, true);

    if (out_just_closed)
        *out_just_closed = false;
    if (out_text_clipped)
        *out_text_clipped = false;

    if (bb.GetWidth() <= 1.0f)
        return;

#if 0
    const float backup_alpha = g.Style.Alpha;
    if (!is_contents_visible)
        g.Style.Alpha *= 0.7f;
#endif

    const char* TAB_UNSAVED_MARKER = "*";
    ImRect text_pixel_clip_bb(bb.Min.x + frame_padding.x, bb.Min.y + frame_padding.y, bb.Max.x - frame_padding.x, bb.Max.y);
    if (flags & ImGuiTabItemFlags_UnsavedDocument)
    {
        text_pixel_clip_bb.Max.x -= CalcTextSize(TAB_UNSAVED_MARKER, NULL, false).x;
        ImVec2 unsaved_marker_pos(ImMin(bb.Min.x + frame_padding.x + label_size.x + 2, text_pixel_clip_bb.Max.x), bb.Min.y + frame_padding.y + IM_FLOOR(-g.FontSize * 0.25f));
        RenderTextClippedEx(draw_list, unsaved_marker_pos, bb.Max - frame_padding, TAB_UNSAVED_MARKER, NULL, NULL);
    }
    ImRect text_ellipsis_clip_bb = text_pixel_clip_bb;

    if (out_text_clipped)
    {
        *out_text_clipped = (text_ellipsis_clip_bb.Min.x + label_size.x) > text_pixel_clip_bb.Max.x;
    }

    bool close_button_pressed = false;
    bool close_button_visible = false;
    if (close_button_id != 0)
        if (is_contents_visible || bb.GetWidth() >= g.Style.TabMinWidthForCloseButton)
            if (g.HoveredId == tab_id || g.HoveredId == close_button_id || g.ActiveId == tab_id || g.ActiveId == close_button_id)
                close_button_visible = true;
    if (close_button_visible)
    {
        ImGuiLastItemDataBackup last_item_backup;
        const float close_button_sz = g.FontSize;
        PushStyleVar(ImGuiStyleVar_FramePadding, frame_padding);
        if (CloseButton(close_button_id, ImVec2(bb.Max.x - frame_padding.x * 2.0f - close_button_sz, bb.Min.y)))
            close_button_pressed = true;
        PopStyleVar();
        last_item_backup.Restore();

        if (!(flags & ImGuiTabItemFlags_NoCloseWithMiddleMouseButton) && IsMouseClicked(2))
            close_button_pressed = true;

        text_pixel_clip_bb.Max.x -= close_button_sz;
    }

    float ellipsis_max_x = close_button_visible ? text_pixel_clip_bb.Max.x : bb.Max.x - 1.0f;
    
    if (!tabActive)
        RenderTextEllipsis(draw_list, text_ellipsis_clip_bb.Min, text_ellipsis_clip_bb.Max, text_pixel_clip_bb.Max.x, ellipsis_max_x, label, NULL, &label_size, colWhiteText);
    else
        RenderTextEllipsis(draw_list, text_ellipsis_clip_bb.Min, text_ellipsis_clip_bb.Max, text_pixel_clip_bb.Max.x, ellipsis_max_x, label, NULL, &label_size);

#if 0
    if (!is_contents_visible)
        g.Style.Alpha = backup_alpha;
#endif

    if (out_just_closed)
        *out_just_closed = close_button_pressed;
}


#endif