mirror of
https://github.com/alliedmodders/hl2sdk.git
synced 2024-12-22 17:47:38 +08:00
2748 lines
79 KiB
C++
2748 lines
79 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#include "vgui_controls/pch_vgui_controls.h"
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#include "vgui/ILocalize.h"
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// memdbgon must be the last include file in a .cpp file
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#include "tier0/memdbgon.h"
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enum
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{
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MAX_BUFFER_SIZE = 999999, // maximum size of text buffer
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DRAW_OFFSET_X = 3,
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DRAW_OFFSET_Y = 1,
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};
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using namespace vgui;
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#ifndef max
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#define max(a,b) (((a) > (b)) ? (a) : (b))
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#endif
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namespace vgui
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{
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//#define DRAW_CLICK_PANELS
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//-----------------------------------------------------------------------------
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// Purpose: Panel used for clickable URL's
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//-----------------------------------------------------------------------------
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class ClickPanel : public Panel
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{
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DECLARE_CLASS_SIMPLE( ClickPanel, Panel );
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public:
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ClickPanel(Panel *parent)
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{
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_viewIndex = 0;
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_textIndex = 0;
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SetParent(parent);
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AddActionSignalTarget(parent);
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SetCursor(dc_hand);
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SetPaintBackgroundEnabled(false);
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SetPaintEnabled(false);
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// SetPaintAppearanceEnabled(false);
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#if defined( DRAW_CLICK_PANELS )
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SetPaintEnabled(true);
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#endif
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}
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void SetTextIndex( int linkStartIndex, int viewStartIndex )
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{
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_textIndex = linkStartIndex;
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_viewIndex = viewStartIndex;
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}
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#if defined( DRAW_CLICK_PANELS )
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virtual void Paint()
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{
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surface()->DrawSetColor( Color( 255, 0, 0, 255 ) );
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surface()->DrawOutlinedRect( 0, 0, GetWide(), GetTall() );
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}
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#endif
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int GetTextIndex()
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{
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return _textIndex;
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}
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int GetViewTextIndex()
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{
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return _viewIndex;
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}
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void OnMousePressed(MouseCode code)
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{
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if (code == MOUSE_LEFT)
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{
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PostActionSignal(new KeyValues("ClickPanel", "index", _textIndex));
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}
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else
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{
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GetParent()->OnMousePressed( code );
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}
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}
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private:
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int _textIndex;
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int _viewIndex;
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};
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//-----------------------------------------------------------------------------
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// Purpose: Panel used only to draw the interior border region
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//-----------------------------------------------------------------------------
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class RichTextInterior : public Panel
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{
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DECLARE_CLASS_SIMPLE( RichTextInterior, Panel );
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public:
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RichTextInterior( RichText *pParent, const char *pchName ) : BaseClass( pParent, pchName )
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{
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SetKeyBoardInputEnabled( false );
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SetMouseInputEnabled( false );
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SetPaintBackgroundEnabled( false );
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SetPaintEnabled( false );
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m_pRichText = pParent;
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}
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/* virtual IAppearance *GetAppearance()
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{
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if ( m_pRichText->IsScrollbarVisible() )
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return m_pAppearanceScrollbar;
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return BaseClass::GetAppearance();
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}*/
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virtual void ApplySchemeSettings( IScheme *pScheme )
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{
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BaseClass::ApplySchemeSettings( pScheme );
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// m_pAppearanceScrollbar = FindSchemeAppearance( pScheme, "scrollbar_visible" );
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}
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private:
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RichText *m_pRichText;
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// IAppearance *m_pAppearanceScrollbar;
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};
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}; // namespace vgui
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DECLARE_BUILD_FACTORY( RichText );
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//-----------------------------------------------------------------------------
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// Purpose: Constructor
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//-----------------------------------------------------------------------------
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RichText::RichText(Panel *parent, const char *panelName) : BaseClass(parent, panelName)
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{
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m_bAllTextAlphaIsZero = false;
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_font = INVALID_FONT;
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m_hFontUnderline = INVALID_FONT;
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m_bRecalcLineBreaks = true;
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m_pszInitialText = NULL;
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_cursorPos = 0;
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_mouseSelection = false;
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_mouseDragSelection = false;
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_vertScrollBar = new ScrollBar(this, "ScrollBar", true);
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_vertScrollBar->AddActionSignalTarget(this);
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_recalcSavedRenderState = true;
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_maxCharCount = (64 * 1024);
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AddActionSignalTarget(this);
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m_pInterior = new RichTextInterior( this, NULL );
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//a -1 for _select[0] means that the selection is empty
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_select[0] = -1;
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_select[1] = -1;
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m_pEditMenu = NULL;
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SetCursor(dc_ibeam);
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//position the cursor so it is at the end of the text
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GotoTextEnd();
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// set default foreground color to black
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_defaultTextColor = Color(0, 0, 0, 0);
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// initialize the line break array
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InvalidateLineBreakStream();
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if ( IsProportional() )
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{
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int width, height;
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int sw,sh;
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surface()->GetProportionalBase( width, height );
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surface()->GetScreenSize(sw, sh);
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_drawOffsetX = static_cast<int>( static_cast<float>( DRAW_OFFSET_X )*( static_cast<float>( sw )/ static_cast<float>( width )));
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_drawOffsetY = static_cast<int>( static_cast<float>( DRAW_OFFSET_Y )*( static_cast<float>( sw )/ static_cast<float>( width )));
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}
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else
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{
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_drawOffsetX = DRAW_OFFSET_X;
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_drawOffsetY = DRAW_OFFSET_Y;
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}
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// add a basic format string
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TFormatStream stream;
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stream.color = _defaultTextColor;
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stream.fade.flFadeStartTime = 0.0f;
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stream.fade.flFadeLength = -1.0f;
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stream.pixelsIndent = 0;
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stream.textStreamIndex = 0;
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stream.textClickable = false;
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m_FormatStream.AddToTail(stream);
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m_bResetFades = false;
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m_bInteractive = true;
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m_bUnusedScrollbarInvis = false;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Destructor
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//-----------------------------------------------------------------------------
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RichText::~RichText()
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{
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delete [] m_pszInitialText;
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delete m_pEditMenu;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void RichText::SetDrawOffsets( int ofsx, int ofsy )
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{
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_drawOffsetX = ofsx;
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_drawOffsetY = ofsy;
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}
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//-----------------------------------------------------------------------------
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// Purpose: sets it as drawing text only - used for embedded RichText control into other text drawing situations
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//-----------------------------------------------------------------------------
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void RichText::SetDrawTextOnly()
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{
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SetDrawOffsets( 0, 0 );
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SetPaintBackgroundEnabled( false );
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// SetPaintAppearanceEnabled( false );
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SetPostChildPaintEnabled( false );
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m_pInterior->SetVisible( false );
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SetVerticalScrollbar( false );
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}
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//-----------------------------------------------------------------------------
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// Purpose: configures colors
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//-----------------------------------------------------------------------------
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void RichText::ApplySchemeSettings(IScheme *pScheme)
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{
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BaseClass::ApplySchemeSettings(pScheme);
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_font = pScheme->GetFont("Default", IsProportional() );
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m_hFontUnderline = pScheme->GetFont("DefaultUnderline", IsProportional() );
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SetFgColor(GetSchemeColor("RichText.TextColor", pScheme));
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SetBgColor(GetSchemeColor("RichText.BgColor", pScheme));
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_selectionTextColor = GetSchemeColor("RichText.SelectedTextColor", GetFgColor(), pScheme);
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_selectionColor = GetSchemeColor("RichText.SelectedBgColor", pScheme);
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if ( Q_strlen( pScheme->GetResourceString( "RichText.InsetX" ) ) )
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{
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SetDrawOffsets( atoi( pScheme->GetResourceString( "RichText.InsetX" ) ), atoi( pScheme->GetResourceString( "RichText.InsetY" ) ) );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: if the default format color isn't set then set it
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//-----------------------------------------------------------------------------
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void RichText::SetFgColor( Color color )
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{
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// Replace default format color if
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// the stream is empty and the color is the default ( or the previous FgColor )
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if ( m_FormatStream.Size() == 1 &&
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( m_FormatStream[0].color == _defaultTextColor || m_FormatStream[0].color == GetFgColor() ) )
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{
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m_FormatStream[0].color = color;
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}
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BaseClass::SetFgColor( color );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Sends a message if the data has changed
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// Turns off any selected text in the window if we are not using the edit menu
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//-----------------------------------------------------------------------------
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void RichText::OnKillFocus()
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{
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// check if we clicked the right mouse button or if it is down
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bool mouseRightClicked = input()->WasMousePressed(MOUSE_RIGHT);
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bool mouseRightUp = input()->WasMouseReleased(MOUSE_RIGHT);
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bool mouseRightDown = input()->IsMouseDown(MOUSE_RIGHT);
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if (mouseRightClicked || mouseRightDown || mouseRightUp )
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{
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// get the start and ends of the selection area
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int start, end;
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if (GetSelectedRange(start, end)) // we have selected text
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{
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// see if we clicked in the selection area
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int startX, startY;
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CursorToPixelSpace(start, startX, startY);
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int endX, endY;
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CursorToPixelSpace(end, endX, endY);
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int cursorX, cursorY;
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input()->GetCursorPos(cursorX, cursorY);
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ScreenToLocal(cursorX, cursorY);
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// check the area vertically
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// we need to handle the horizontal edge cases eventually
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int fontTall = GetLineHeight();
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endY = endY + fontTall;
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if ((startY < cursorY) && (endY > cursorY))
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{
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// if we clicked in the selection area, leave the text highlighted
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return;
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}
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}
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}
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// clear any selection
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SelectNone();
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// chain
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BaseClass::OnKillFocus();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Wipe line breaks after the size of a panel has been changed
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//-----------------------------------------------------------------------------
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void RichText::OnSizeChanged( int wide, int tall )
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{
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BaseClass::OnSizeChanged( wide, tall );
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// blow away the line breaks list
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_invalidateVerticalScrollbarSlider = true;
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InvalidateLineBreakStream();
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InvalidateLayout();
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if ( _vertScrollBar->IsVisible() )
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{
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_vertScrollBar->MakeReadyForUse();
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m_pInterior->SetBounds( 0, 0, wide - _vertScrollBar->GetWide(), tall );
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}
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else
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{
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m_pInterior->SetBounds( 0, 0, wide, tall );
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}
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}
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const wchar_t *RichText::ResolveLocalizedTextAndVariables( char const *pchLookup, wchar_t *outbuf, size_t outbufsizeinbytes )
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{
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if ( pchLookup[ 0 ] == '#' )
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{
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// try lookup in localization tables
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StringIndex_t index = g_pVGuiLocalize->FindIndex( pchLookup + 1 );
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if ( index == INVALID_LOCALIZE_STRING_INDEX )
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{
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/* // if it's not found, maybe it's a special expanded variable - look for an expansion
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char rgchT[MAX_PATH];
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// get the variables
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KeyValues *variables = GetDialogVariables_R();
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if ( variables )
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{
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// see if any are any special vars to put in
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for ( KeyValues *pkv = variables->GetFirstSubKey(); pkv != NULL; pkv = pkv->GetNextKey() )
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{
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if ( !Q_strncmp( pkv->GetName(), "$", 1 ) )
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{
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// make a new lookup, with this key appended
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Q_snprintf( rgchT, sizeof( rgchT ), "%s%s=%s", pchLookup, pkv->GetName(), pkv->GetString() );
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index = localize()->FindIndex( rgchT );
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break;
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}
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}
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}
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*/
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}
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// see if we have a valid string
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if ( index != INVALID_LOCALIZE_STRING_INDEX )
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{
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wchar_t *format = g_pVGuiLocalize->GetValueByIndex( index );
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Assert( format );
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if ( format )
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{
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/*// Try and substitute variables if any
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KeyValues *variables = GetDialogVariables_R();
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if ( variables )
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{
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localize()->ConstructString( outbuf, outbufsizeinbytes, index, variables );
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return outbuf;
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}*/
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}
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V_wcsncpy( outbuf, format, outbufsizeinbytes );
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return outbuf;
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}
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}
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Q_UTF8ToUnicode( pchLookup, outbuf, outbufsizeinbytes );
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return outbuf;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Set the text array
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// Using this function will cause all lineBreaks to be discarded.
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// This is because this fxn replaces the contents of the text buffer.
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// For modifying large buffers use insert functions.
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//-----------------------------------------------------------------------------
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void RichText::SetText(const char *text)
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{
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if (!text)
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{
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text = "";
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}
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wchar_t unicode[1024];
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if (text[0] == '#')
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{
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ResolveLocalizedTextAndVariables( text, unicode, sizeof( unicode ) );
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SetText( unicode );
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return;
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}
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// convert to unicode
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Q_UTF8ToUnicode(text, unicode, sizeof(unicode));
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SetText(unicode);
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void RichText::SetText(const wchar_t *text)
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{
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// reset the formatting stream
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m_FormatStream.RemoveAll();
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TFormatStream stream;
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stream.color = GetFgColor();
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stream.fade.flFadeLength = -1.0f;
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stream.fade.flFadeStartTime = 0.0f;
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stream.pixelsIndent = 0;
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stream.textStreamIndex = 0;
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stream.textClickable = false;
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m_FormatStream.AddToTail(stream);
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// set the new text stream
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m_TextStream.RemoveAll();
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if ( text && *text )
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{
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int textLen = wcslen(text) + 1;
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m_TextStream.EnsureCapacity(textLen);
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for(int i = 0; i < textLen; i++)
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{
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m_TextStream.AddToTail(text[i]);
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}
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}
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GotoTextStart();
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SelectNone();
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// blow away the line breaks list
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InvalidateLineBreakStream();
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InvalidateLayout();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Given cursor's position in the text buffer, convert it to
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// the local window's x and y pixel coordinates
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// Input: cursorPos: cursor index
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// Output: cx, cy, the corresponding coords in the local window
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//-----------------------------------------------------------------------------
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void RichText::CursorToPixelSpace(int cursorPos, int &cx, int &cy)
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{
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int yStart = _drawOffsetY;
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int x = _drawOffsetX, y = yStart;
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_pixelsIndent = 0;
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int lineBreakIndexIndex = 0;
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for (int i = GetStartDrawIndex(lineBreakIndexIndex); i < m_TextStream.Count(); i++)
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{
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wchar_t ch = m_TextStream[i];
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// if we've found the position, break
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if (cursorPos == i)
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{
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// if we've passed a line break go to that
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if (m_LineBreaks[lineBreakIndexIndex] == i)
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{
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// add another line
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AddAnotherLine(x, y);
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lineBreakIndexIndex++;
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}
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break;
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}
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// if we've passed a line break go to that
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if (m_LineBreaks[lineBreakIndexIndex] == i)
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{
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// add another line
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AddAnotherLine(x, y);
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lineBreakIndexIndex++;
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}
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// add to the current position
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x += surface()->GetCharacterWidth(_font, ch);
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}
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cx = x;
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cy = y;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Converts local pixel coordinates to an index in the text buffer
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//-----------------------------------------------------------------------------
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int RichText::PixelToCursorSpace(int cx, int cy)
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{
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int fontTall = GetLineHeight();
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// where to start reading
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int yStart = _drawOffsetY;
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int x = _drawOffsetX, y = yStart;
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_pixelsIndent = 0;
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int lineBreakIndexIndex = 0;
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int startIndex = GetStartDrawIndex(lineBreakIndexIndex);
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if (_recalcSavedRenderState)
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{
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RecalculateDefaultState(startIndex);
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}
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_pixelsIndent = m_CachedRenderState.pixelsIndent;
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_currentTextClickable = m_CachedRenderState.textClickable;
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TRenderState renderState = m_CachedRenderState;
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bool onRightLine = false;
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int i;
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for (i = startIndex; i < m_TextStream.Count(); i++)
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{
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wchar_t ch = m_TextStream[i];
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renderState.x = x;
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if ( UpdateRenderState( i, renderState ) )
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{
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x = renderState.x;
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}
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// if we are on the right line but off the end of if put the cursor at the end of the line
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if (m_LineBreaks[lineBreakIndexIndex] == i)
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{
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// add another line
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AddAnotherLine(x, y);
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lineBreakIndexIndex++;
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if (onRightLine)
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break;
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}
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// check to see if we're on the right line
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if (cy < yStart)
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{
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// cursor is above panel
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onRightLine = true;
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}
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else if (cy >= y && (cy < (y + fontTall + _drawOffsetY)))
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{
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onRightLine = true;
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}
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int wide = surface()->GetCharacterWidth(_font, ch);
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// if we've found the position, break
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if (onRightLine)
|
|
{
|
|
if (cx > GetWide()) // off right side of window
|
|
{
|
|
}
|
|
else if (cx < (_drawOffsetX + renderState.pixelsIndent) || cy < yStart) // off left side of window
|
|
{
|
|
// Msg( "PixelToCursorSpace() off left size, returning %d '%c'\n", i, m_TextStream[i] );
|
|
return i; // move cursor one to left
|
|
}
|
|
|
|
if (cx >= x && cx < (x + wide))
|
|
{
|
|
// check which side of the letter they're on
|
|
if (cx < (x + (wide * 0.5))) // left side
|
|
{
|
|
// Msg( "PixelToCursorSpace() on the left size, returning %d '%c'\n", i, m_TextStream[i] );
|
|
return i;
|
|
}
|
|
else // right side
|
|
{
|
|
// Msg( "PixelToCursorSpace() on the right size, returning %d '%c'\n", i + 1, m_TextStream[i + 1] );
|
|
return i + 1;
|
|
}
|
|
}
|
|
}
|
|
x += wide;
|
|
}
|
|
|
|
// Msg( "PixelToCursorSpace() never hit, returning %d\n", i );
|
|
return i;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Draws a string of characters in the panel
|
|
// Input: iFirst - Index of the first character to draw
|
|
// iLast - Index of the last character to draw
|
|
// renderState - Render state to use
|
|
// font- font to use
|
|
// Output: returns the width of the character drawn
|
|
//-----------------------------------------------------------------------------
|
|
int RichText::DrawString(int iFirst, int iLast, TRenderState &renderState, HFont font)
|
|
{
|
|
// VPROF( "RichText::DrawString" );
|
|
|
|
// Calculate the render size
|
|
int fontTall = surface()->GetFontTall(font);
|
|
// BUGBUG John: This won't exactly match the rendered size
|
|
int charWide = 0;
|
|
for ( int i = iFirst; i <= iLast; i++ )
|
|
{
|
|
wchar_t ch = m_TextStream[i];
|
|
#if USE_GETKERNEDCHARWIDTH
|
|
wchar_t chBefore = 0;
|
|
wchar_t chAfter = 0;
|
|
if ( i > 0 )
|
|
chBefore = m_TextStream[i-1];
|
|
if ( i < iLast )
|
|
chAfter = m_TextStream[i+1];
|
|
float flWide = 0.0f, flabcA = 0.0f;
|
|
surface()->GetKernedCharWidth(font, ch, chBefore, chAfter, flWide, flabcA);
|
|
if ( ch == L' ' )
|
|
flWide = ceil( flWide );
|
|
charWide += floor( flWide + 0.6 );
|
|
#else
|
|
charWide += surface()->GetCharacterWidth(font, ch);
|
|
#endif
|
|
}
|
|
|
|
// draw selection, if any
|
|
int selection0 = -1, selection1 = -1;
|
|
GetSelectedRange(selection0, selection1);
|
|
|
|
if (iFirst >= selection0 && iFirst < selection1)
|
|
{
|
|
// draw background selection color
|
|
surface()->DrawSetColor(_selectionColor);
|
|
surface()->DrawFilledRect(renderState.x, renderState.y, renderState.x + charWide, renderState.y + 1 + fontTall);
|
|
|
|
// reset text color
|
|
surface()->DrawSetTextColor(_selectionTextColor);
|
|
m_bAllTextAlphaIsZero = false;
|
|
}
|
|
else
|
|
{
|
|
surface()->DrawSetTextColor(renderState.textColor);
|
|
}
|
|
|
|
if ( renderState.textColor.a() != 0 )
|
|
{
|
|
m_bAllTextAlphaIsZero = false;
|
|
surface()->DrawSetTextPos(renderState.x, renderState.y);
|
|
surface()->DrawPrintText(&m_TextStream[iFirst], iLast - iFirst + 1);
|
|
}
|
|
|
|
return charWide;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Finish drawing url
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::FinishingURL(int x, int y)
|
|
{
|
|
// finishing URL
|
|
if ( _clickableTextPanels.IsValidIndex( _clickableTextIndex ) )
|
|
{
|
|
ClickPanel *clickPanel = _clickableTextPanels[ _clickableTextIndex ];
|
|
int px, py;
|
|
clickPanel->GetPos(px, py);
|
|
int fontTall = GetLineHeight();
|
|
clickPanel->SetSize( MAX( x - px, 6 ), y - py + fontTall );
|
|
clickPanel->SetVisible(true);
|
|
|
|
// if we haven't actually advanced any, step back and ignore this one
|
|
// this is probably a data input problem though, need to find root cause
|
|
if ( x - px <= 0 )
|
|
{
|
|
--_clickableTextIndex;
|
|
clickPanel->SetVisible(false);
|
|
}
|
|
}
|
|
}
|
|
|
|
void RichText::CalculateFade( TRenderState &renderState )
|
|
{
|
|
if ( m_FormatStream.IsValidIndex( renderState.formatStreamIndex ) )
|
|
{
|
|
if ( m_bResetFades == false )
|
|
{
|
|
if ( m_FormatStream[renderState.formatStreamIndex].fade.flFadeLength != -1.0f )
|
|
{
|
|
float frac = ( m_FormatStream[renderState.formatStreamIndex].fade.flFadeStartTime - system()->GetCurrentTime() ) / m_FormatStream[renderState.formatStreamIndex].fade.flFadeLength;
|
|
|
|
int alpha = frac * m_FormatStream[renderState.formatStreamIndex].fade.iOriginalAlpha;
|
|
alpha = clamp( alpha, 0, m_FormatStream[renderState.formatStreamIndex].fade.iOriginalAlpha );
|
|
|
|
renderState.textColor.SetColor( renderState.textColor.r(), renderState.textColor.g(), renderState.textColor.b(), alpha );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Draws the text in the panel
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::Paint()
|
|
{
|
|
// Assume the worst
|
|
m_bAllTextAlphaIsZero = true;
|
|
|
|
HFont hFontCurrent = _font;
|
|
|
|
// hide all the clickable panels until we know where they are to reside
|
|
for (int j = 0; j < _clickableTextPanels.Count(); j++)
|
|
{
|
|
_clickableTextPanels[j]->SetVisible(false);
|
|
}
|
|
|
|
if ( !HasText() )
|
|
return;
|
|
|
|
int wide, tall;
|
|
GetSize( wide, tall );
|
|
|
|
int lineBreakIndexIndex = 0;
|
|
int startIndex = GetStartDrawIndex(lineBreakIndexIndex);
|
|
_currentTextClickable = false;
|
|
|
|
_clickableTextIndex = GetClickableTextIndexStart(startIndex);
|
|
|
|
// recalculate and cache the render state at the render start
|
|
if (_recalcSavedRenderState)
|
|
{
|
|
RecalculateDefaultState(startIndex);
|
|
}
|
|
// copy off the cached render state
|
|
TRenderState renderState = m_CachedRenderState;
|
|
|
|
_pixelsIndent = m_CachedRenderState.pixelsIndent;
|
|
_currentTextClickable = m_CachedRenderState.textClickable;
|
|
|
|
renderState.textClickable = _currentTextClickable;
|
|
|
|
if ( m_FormatStream.IsValidIndex( renderState.formatStreamIndex ) )
|
|
renderState.textColor = m_FormatStream[renderState.formatStreamIndex].color;
|
|
|
|
CalculateFade( renderState );
|
|
|
|
renderState.formatStreamIndex++;
|
|
|
|
if ( _currentTextClickable )
|
|
{
|
|
_clickableTextIndex = startIndex;
|
|
}
|
|
|
|
// where to start drawing
|
|
renderState.x = _drawOffsetX + _pixelsIndent;
|
|
renderState.y = _drawOffsetY;
|
|
|
|
// draw the text
|
|
int selection0 = -1, selection1 = -1;
|
|
GetSelectedRange(selection0, selection1);
|
|
|
|
surface()->DrawSetTextFont( hFontCurrent );
|
|
|
|
for (int i = startIndex; i < m_TextStream.Count() && renderState.y < tall; )
|
|
{
|
|
// 1.
|
|
// Update our current render state based on the formatting and color streams,
|
|
// this has to happen if it's our very first iteration, or if we are actually changing
|
|
// state.
|
|
int nXBeforeStateChange = renderState.x;
|
|
if ( UpdateRenderState(i, renderState) || i == startIndex )
|
|
{
|
|
// check for url state change
|
|
if (renderState.textClickable != _currentTextClickable)
|
|
{
|
|
if (renderState.textClickable)
|
|
{
|
|
// entering new URL
|
|
_clickableTextIndex++;
|
|
hFontCurrent = m_hFontUnderline;
|
|
surface()->DrawSetTextFont( hFontCurrent );
|
|
|
|
// set up the panel
|
|
ClickPanel *clickPanel = _clickableTextPanels.IsValidIndex( _clickableTextIndex ) ? _clickableTextPanels[_clickableTextIndex] : NULL;
|
|
|
|
if (clickPanel)
|
|
{
|
|
clickPanel->SetPos(renderState.x, renderState.y);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
FinishingURL(nXBeforeStateChange, renderState.y);
|
|
hFontCurrent = _font;
|
|
surface()->DrawSetTextFont( hFontCurrent );
|
|
}
|
|
_currentTextClickable = renderState.textClickable;
|
|
}
|
|
}
|
|
|
|
// 2.
|
|
// if we've passed a line break go to that
|
|
if ( m_LineBreaks.IsValidIndex( lineBreakIndexIndex ) && m_LineBreaks[lineBreakIndexIndex] <= i )
|
|
{
|
|
if (_currentTextClickable)
|
|
{
|
|
FinishingURL(renderState.x, renderState.y);
|
|
}
|
|
|
|
// add another line
|
|
AddAnotherLine(renderState.x, renderState.y);
|
|
lineBreakIndexIndex++;
|
|
|
|
// Skip white space unless the previous line ended from the hard carriage return
|
|
if ( i && ( m_TextStream[i-1] != '\n' ) && ( m_TextStream[i-1] != '\r') )
|
|
{
|
|
while ( m_TextStream[i] == L' ' )
|
|
{
|
|
if ( i+1 < m_TextStream.Count() )
|
|
++i;
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (renderState.textClickable)
|
|
{
|
|
// move to the next URL
|
|
_clickableTextIndex++;
|
|
ClickPanel *clickPanel = _clickableTextPanels.IsValidIndex( _clickableTextIndex ) ? _clickableTextPanels[_clickableTextIndex] : NULL;
|
|
if (clickPanel)
|
|
{
|
|
clickPanel->SetPos(renderState.x, renderState.y);
|
|
}
|
|
}
|
|
}
|
|
|
|
// 3.
|
|
// Calculate the range of text to draw all at once
|
|
int iLim = m_TextStream.Count();
|
|
|
|
// Stop at the next format change
|
|
if ( m_FormatStream.IsValidIndex(renderState.formatStreamIndex) &&
|
|
m_FormatStream[renderState.formatStreamIndex].textStreamIndex < iLim &&
|
|
m_FormatStream[renderState.formatStreamIndex].textStreamIndex >= i &&
|
|
m_FormatStream[renderState.formatStreamIndex].textStreamIndex )
|
|
{
|
|
iLim = m_FormatStream[renderState.formatStreamIndex].textStreamIndex;
|
|
}
|
|
|
|
// Stop at the next line break
|
|
if ( m_LineBreaks.IsValidIndex( lineBreakIndexIndex ) && m_LineBreaks[lineBreakIndexIndex] < iLim )
|
|
iLim = m_LineBreaks[lineBreakIndexIndex];
|
|
|
|
// Handle non-drawing characters specially
|
|
for ( int iT = i; iT < iLim; iT++ )
|
|
{
|
|
if ( iswcntrl(m_TextStream[iT]) )
|
|
{
|
|
iLim = iT;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// 4.
|
|
// Draw the current text range
|
|
if ( iLim <= i )
|
|
{
|
|
if ( m_TextStream[i] == '\t' )
|
|
{
|
|
int dxTabWidth = 8 * surface()->GetCharacterWidth(hFontCurrent, ' ');
|
|
dxTabWidth = MAX( 1, dxTabWidth );
|
|
|
|
renderState.x = ( dxTabWidth * ( 1 + ( renderState.x / dxTabWidth ) ) );
|
|
}
|
|
i++;
|
|
}
|
|
else
|
|
{
|
|
renderState.x += DrawString(i, iLim - 1, renderState, hFontCurrent );
|
|
i = iLim;
|
|
}
|
|
}
|
|
|
|
if (renderState.textClickable)
|
|
{
|
|
FinishingURL(renderState.x, renderState.y);
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
int RichText::GetClickableTextIndexStart(int startIndex)
|
|
{
|
|
// cycle to the right url panel for what is visible after the startIndex.
|
|
for (int i = 0; i < _clickableTextPanels.Count(); i++)
|
|
{
|
|
if (_clickableTextPanels[i]->GetViewTextIndex() >= startIndex)
|
|
{
|
|
return i - 1;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Recalcultes the formatting state from the specified index
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::RecalculateDefaultState(int startIndex)
|
|
{
|
|
if (!HasText() )
|
|
return;
|
|
|
|
Assert(startIndex < m_TextStream.Count());
|
|
|
|
m_CachedRenderState.textColor = GetFgColor();
|
|
_pixelsIndent = 0;
|
|
_currentTextClickable = false;
|
|
_clickableTextIndex = GetClickableTextIndexStart(startIndex);
|
|
|
|
// find where in the formatting stream we need to be
|
|
GenerateRenderStateForTextStreamIndex(startIndex, m_CachedRenderState);
|
|
_recalcSavedRenderState = false;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: updates a render state based on the formatting and color streams
|
|
// Output: true if we changed the render state
|
|
//-----------------------------------------------------------------------------
|
|
bool RichText::UpdateRenderState(int textStreamPos, TRenderState &renderState)
|
|
{
|
|
// check the color stream
|
|
if (m_FormatStream.IsValidIndex(renderState.formatStreamIndex) &&
|
|
m_FormatStream[renderState.formatStreamIndex].textStreamIndex == textStreamPos)
|
|
{
|
|
// set the current formatting
|
|
renderState.textColor = m_FormatStream[renderState.formatStreamIndex].color;
|
|
renderState.textClickable = m_FormatStream[renderState.formatStreamIndex].textClickable;
|
|
|
|
CalculateFade( renderState );
|
|
|
|
int indentChange = m_FormatStream[renderState.formatStreamIndex].pixelsIndent - renderState.pixelsIndent;
|
|
renderState.pixelsIndent = m_FormatStream[renderState.formatStreamIndex].pixelsIndent;
|
|
|
|
if (indentChange)
|
|
{
|
|
renderState.x = renderState.pixelsIndent + _drawOffsetX;
|
|
}
|
|
|
|
//!! for supporting old functionality, store off state in globals
|
|
_pixelsIndent = renderState.pixelsIndent;
|
|
|
|
// move to the next position in the color stream
|
|
renderState.formatStreamIndex++;
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Returns the index in the format stream for the specified text stream index
|
|
//-----------------------------------------------------------------------------
|
|
int RichText::FindFormatStreamIndexForTextStreamPos(int textStreamIndex)
|
|
{
|
|
int formatStreamIndex = 0;
|
|
for (; m_FormatStream.IsValidIndex(formatStreamIndex); formatStreamIndex++)
|
|
{
|
|
if (m_FormatStream[formatStreamIndex].textStreamIndex > textStreamIndex)
|
|
break;
|
|
}
|
|
|
|
// step back to the color change before the new line
|
|
formatStreamIndex--;
|
|
if (!m_FormatStream.IsValidIndex(formatStreamIndex))
|
|
{
|
|
formatStreamIndex = 0;
|
|
}
|
|
return formatStreamIndex;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Generates a base renderstate given a index into the text stream
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::GenerateRenderStateForTextStreamIndex(int textStreamIndex, TRenderState &renderState)
|
|
{
|
|
// find where in the format stream we need to be given the specified place in the text stream
|
|
renderState.formatStreamIndex = FindFormatStreamIndexForTextStreamPos(textStreamIndex);
|
|
|
|
// copy the state data
|
|
renderState.textColor = m_FormatStream[renderState.formatStreamIndex].color;
|
|
renderState.pixelsIndent = m_FormatStream[renderState.formatStreamIndex].pixelsIndent;
|
|
renderState.textClickable = m_FormatStream[renderState.formatStreamIndex].textClickable;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Called pre render
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::OnThink()
|
|
{
|
|
if (m_bRecalcLineBreaks)
|
|
{
|
|
_recalcSavedRenderState = true;
|
|
RecalculateLineBreaks();
|
|
|
|
// recalculate scrollbar position
|
|
if (_invalidateVerticalScrollbarSlider)
|
|
{
|
|
LayoutVerticalScrollBarSlider();
|
|
}
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Called when data changes or panel size changes
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::PerformLayout()
|
|
{
|
|
BaseClass::PerformLayout();
|
|
|
|
// force a Repaint
|
|
Repaint();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: inserts a color change into the formatting stream
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::InsertColorChange(Color col)
|
|
{
|
|
// see if color already exists in text stream
|
|
TFormatStream &prevItem = m_FormatStream[m_FormatStream.Count() - 1];
|
|
if (prevItem.color == col)
|
|
{
|
|
// inserting same color into stream, just ignore
|
|
}
|
|
else if (prevItem.textStreamIndex == m_TextStream.Count())
|
|
{
|
|
// this item is in the same place; update values
|
|
prevItem.color = col;
|
|
}
|
|
else
|
|
{
|
|
// add to text stream, based off existing item
|
|
TFormatStream streamItem = prevItem;
|
|
streamItem.color = col;
|
|
streamItem.textStreamIndex = m_TextStream.Count();
|
|
m_FormatStream.AddToTail(streamItem);
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: inserts a fade into the formatting stream
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::InsertFade( float flSustain, float flLength )
|
|
{
|
|
// see if color already exists in text stream
|
|
TFormatStream &prevItem = m_FormatStream[m_FormatStream.Count() - 1];
|
|
if (prevItem.textStreamIndex == m_TextStream.Count())
|
|
{
|
|
// this item is in the same place; update values
|
|
prevItem.fade.flFadeStartTime = system()->GetCurrentTime() + flSustain;
|
|
prevItem.fade.flFadeSustain = flSustain;
|
|
prevItem.fade.flFadeLength = flLength;
|
|
prevItem.fade.iOriginalAlpha = prevItem.color.a();
|
|
}
|
|
else
|
|
{
|
|
// add to text stream, based off existing item
|
|
TFormatStream streamItem = prevItem;
|
|
|
|
prevItem.fade.flFadeStartTime = system()->GetCurrentTime() + flSustain;
|
|
prevItem.fade.flFadeLength = flLength;
|
|
prevItem.fade.flFadeSustain = flSustain;
|
|
prevItem.fade.iOriginalAlpha = prevItem.color.a();
|
|
|
|
streamItem.textStreamIndex = m_TextStream.Count();
|
|
m_FormatStream.AddToTail(streamItem);
|
|
}
|
|
}
|
|
|
|
void RichText::ResetAllFades( bool bHold, bool bOnlyExpired, float flNewSustain )
|
|
{
|
|
m_bResetFades = bHold;
|
|
|
|
if ( m_bResetFades == false )
|
|
{
|
|
for (int i = 1; i < m_FormatStream.Count(); i++)
|
|
{
|
|
if ( bOnlyExpired == true )
|
|
{
|
|
if ( m_FormatStream[i].fade.flFadeStartTime >= system()->GetCurrentTime() )
|
|
continue;
|
|
}
|
|
|
|
if ( flNewSustain == -1.0f )
|
|
{
|
|
flNewSustain = m_FormatStream[i].fade.flFadeSustain;
|
|
}
|
|
|
|
m_FormatStream[i].fade.flFadeStartTime = system()->GetCurrentTime() + flNewSustain;
|
|
}
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: inserts an indent change into the formatting stream
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::InsertIndentChange(int pixelsIndent)
|
|
{
|
|
if (pixelsIndent < 0)
|
|
{
|
|
pixelsIndent = 0;
|
|
}
|
|
else if (pixelsIndent > 255)
|
|
{
|
|
pixelsIndent = 255;
|
|
}
|
|
|
|
// see if indent change already exists in text stream
|
|
TFormatStream &prevItem = m_FormatStream[m_FormatStream.Count() - 1];
|
|
if (prevItem.pixelsIndent == pixelsIndent)
|
|
{
|
|
// inserting same indent into stream, just ignore
|
|
}
|
|
else if (prevItem.textStreamIndex == m_TextStream.Count())
|
|
{
|
|
// this item is in the same place; update
|
|
prevItem.pixelsIndent = pixelsIndent;
|
|
}
|
|
else
|
|
{
|
|
// add to text stream, based off existing item
|
|
TFormatStream streamItem = prevItem;
|
|
streamItem.pixelsIndent = pixelsIndent;
|
|
streamItem.textStreamIndex = m_TextStream.Count();
|
|
m_FormatStream.AddToTail(streamItem);
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Inserts character Start for clickable text, eg. URLS
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::InsertClickableTextStart( const char *pchClickAction )
|
|
{
|
|
// see if indent change already exists in text stream
|
|
TFormatStream &prevItem = m_FormatStream[m_FormatStream.Count() - 1];
|
|
TFormatStream *pFormatStream = &prevItem;
|
|
if (prevItem.textStreamIndex == m_TextStream.Count())
|
|
{
|
|
// this item is in the same place; update
|
|
prevItem.textClickable = true;
|
|
pFormatStream->m_sClickableTextAction = pchClickAction;
|
|
}
|
|
else
|
|
{
|
|
// add to text stream, based off existing item
|
|
TFormatStream formatStreamCopy = prevItem;
|
|
int iFormatStream = m_FormatStream.AddToTail( formatStreamCopy );
|
|
|
|
// set the new params
|
|
pFormatStream = &m_FormatStream[iFormatStream];
|
|
pFormatStream->textStreamIndex = m_TextStream.Count();
|
|
pFormatStream->textClickable = true;
|
|
pFormatStream->m_sClickableTextAction = pchClickAction;
|
|
}
|
|
|
|
// invalidate the layout to recalculate where the click panels should go
|
|
InvalidateLineBreakStream();
|
|
InvalidateLayout();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Inserts character end for clickable text, eg. URLS
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::InsertClickableTextEnd()
|
|
{
|
|
// see if indent change already exists in text stream
|
|
TFormatStream &prevItem = m_FormatStream[m_FormatStream.Count() - 1];
|
|
if (!prevItem.textClickable)
|
|
{
|
|
// inserting same indent into stream, just ignore
|
|
}
|
|
else if (prevItem.textStreamIndex == m_TextStream.Count())
|
|
{
|
|
// this item is in the same place; update
|
|
prevItem.textClickable = false;
|
|
}
|
|
else
|
|
{
|
|
// add to text stream, based off existing item
|
|
TFormatStream streamItem = prevItem;
|
|
streamItem.textClickable = false;
|
|
streamItem.textStreamIndex = m_TextStream.Count();
|
|
m_FormatStream.AddToTail(streamItem);
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: moves x,y to the Start of the next line of text
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::AddAnotherLine(int &cx, int &cy)
|
|
{
|
|
cx = _drawOffsetX + _pixelsIndent;
|
|
cy += (GetLineHeight() + _drawOffsetY);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Recalculates line breaks
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::RecalculateLineBreaks()
|
|
{
|
|
if ( !m_bRecalcLineBreaks )
|
|
return;
|
|
|
|
int wide = GetWide();
|
|
if (!wide)
|
|
return;
|
|
|
|
wide -= _drawOffsetX;
|
|
|
|
m_bRecalcLineBreaks = false;
|
|
_recalcSavedRenderState = true;
|
|
if (!HasText())
|
|
return;
|
|
|
|
int selection0 = -1, selection1 = -1;
|
|
|
|
// subtract the scrollbar width
|
|
if (_vertScrollBar->IsVisible())
|
|
{
|
|
wide -= _vertScrollBar->GetWide();
|
|
}
|
|
|
|
int x = _drawOffsetX, y = _drawOffsetY;
|
|
|
|
HFont fontWordStart = INVALID_FONT;
|
|
int wordStartIndex = 0;
|
|
int lineStartIndex = 0;
|
|
bool hasWord = false;
|
|
bool justStartedNewLine = true;
|
|
bool wordStartedOnNewLine = true;
|
|
|
|
int startChar = 0;
|
|
if (_recalculateBreaksIndex <= 0)
|
|
{
|
|
m_LineBreaks.RemoveAll();
|
|
}
|
|
else
|
|
{
|
|
// remove the rest of the linebreaks list since its out of date.
|
|
for (int i = _recalculateBreaksIndex + 1; i < m_LineBreaks.Count(); ++i)
|
|
{
|
|
m_LineBreaks.Remove(i);
|
|
--i; // removing shrinks the list!
|
|
}
|
|
startChar = m_LineBreaks[_recalculateBreaksIndex];
|
|
lineStartIndex = m_LineBreaks[_recalculateBreaksIndex];
|
|
wordStartIndex = lineStartIndex;
|
|
}
|
|
|
|
// handle the case where this char is a new line, in that case
|
|
// we have already taken its break index into account above so skip it.
|
|
if (m_TextStream[startChar] == '\r' || m_TextStream[startChar] == '\n')
|
|
{
|
|
startChar++;
|
|
lineStartIndex = startChar;
|
|
}
|
|
|
|
// cycle to the right url panel for what is visible after the startIndex.
|
|
int clickableTextNum = GetClickableTextIndexStart(startChar);
|
|
clickableTextNum++;
|
|
|
|
// initialize the renderstate with the start
|
|
TRenderState renderState;
|
|
GenerateRenderStateForTextStreamIndex(startChar, renderState);
|
|
_currentTextClickable = false;
|
|
|
|
HFont font = _font;
|
|
|
|
bool bForceBreak = false;
|
|
float flLineWidthSoFar = 0;
|
|
|
|
// loop through all the characters
|
|
for (int i = startChar; i < m_TextStream.Count(); ++i)
|
|
{
|
|
wchar_t ch = m_TextStream[i];
|
|
renderState.x = x;
|
|
if (UpdateRenderState(i, renderState))
|
|
{
|
|
x = renderState.x;
|
|
int preI = i;
|
|
|
|
// check for clickable text
|
|
if (renderState.textClickable != _currentTextClickable)
|
|
{
|
|
if (renderState.textClickable)
|
|
{
|
|
// make a new clickable text panel
|
|
if (clickableTextNum >= _clickableTextPanels.Count())
|
|
{
|
|
_clickableTextPanels.AddToTail(new ClickPanel(this));
|
|
}
|
|
|
|
ClickPanel *clickPanel = _clickableTextPanels[clickableTextNum++];
|
|
clickPanel->SetTextIndex(preI, preI);
|
|
}
|
|
|
|
// url state change
|
|
_currentTextClickable = renderState.textClickable;
|
|
}
|
|
}
|
|
|
|
bool bIsWSpace = iswspace( ch ) ? true : false;
|
|
|
|
bool bPreviousWordStartedOnNewLine = wordStartedOnNewLine;
|
|
int iPreviousWordStartIndex = wordStartIndex;
|
|
if ( !bIsWSpace && ch != L'\t' && ch != L'\n' && ch != L'\r' )
|
|
{
|
|
if (!hasWord)
|
|
{
|
|
// Start a new word
|
|
wordStartIndex = i;
|
|
hasWord = true;
|
|
wordStartedOnNewLine = justStartedNewLine;
|
|
fontWordStart = font;
|
|
}
|
|
// else append to the current word
|
|
}
|
|
else
|
|
{
|
|
// whitespace/punctuation character
|
|
// end the word
|
|
hasWord = false;
|
|
}
|
|
|
|
float w = 0;
|
|
wchar_t wchBefore = 0;
|
|
wchar_t wchAfter = 0;
|
|
|
|
if ( i > 0 && i > lineStartIndex && i != selection0 && i-1 != selection1 )
|
|
wchBefore = m_TextStream[i-1];
|
|
if ( i < m_TextStream.Count() - 1 && i+1 != selection0 && i != selection1 )
|
|
wchAfter = m_TextStream[i+1];
|
|
|
|
float flabcA;
|
|
surface()->GetKernedCharWidth( font, ch, wchBefore, wchAfter, w, flabcA );
|
|
flLineWidthSoFar += w;
|
|
|
|
// See if we've exceeded the width we have available, with
|
|
if ( floor(flLineWidthSoFar + 0.6) + x > wide )
|
|
{
|
|
bForceBreak = true;
|
|
}
|
|
|
|
if (!iswcntrl(ch))
|
|
{
|
|
justStartedNewLine = false;
|
|
}
|
|
|
|
if ( bForceBreak || ch == '\r' || ch == '\n' )
|
|
{
|
|
bForceBreak = false;
|
|
// add another line
|
|
AddAnotherLine(x, y);
|
|
|
|
if ( ch == '\r' || ch == '\n' )
|
|
{
|
|
// skip the newline so it's not at the beginning of the new line
|
|
lineStartIndex = i + 1;
|
|
m_LineBreaks.AddToTail(i + 1);
|
|
}
|
|
else if ( bPreviousWordStartedOnNewLine || iPreviousWordStartIndex <= lineStartIndex )
|
|
{
|
|
lineStartIndex = i;
|
|
m_LineBreaks.AddToTail( i );
|
|
|
|
if (renderState.textClickable)
|
|
{
|
|
// need to split the url into two panels
|
|
int oldIndex = _clickableTextPanels[clickableTextNum - 1]->GetTextIndex();
|
|
|
|
// make a new clickable text panel
|
|
if (clickableTextNum >= _clickableTextPanels.Count())
|
|
{
|
|
_clickableTextPanels.AddToTail(new ClickPanel(this));
|
|
}
|
|
|
|
ClickPanel *clickPanel = _clickableTextPanels[clickableTextNum++];
|
|
clickPanel->SetTextIndex(oldIndex, i);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
m_LineBreaks.AddToTail( iPreviousWordStartIndex );
|
|
lineStartIndex = iPreviousWordStartIndex;
|
|
i = iPreviousWordStartIndex;
|
|
|
|
TRenderState renderStateAtLastWord;
|
|
GenerateRenderStateForTextStreamIndex( i, renderStateAtLastWord );
|
|
|
|
// If the word is clickable, and that started prior to the beginning of the word, then we must split the click panel
|
|
if ( renderStateAtLastWord.textClickable && m_FormatStream[ renderStateAtLastWord.formatStreamIndex ].textStreamIndex < i )
|
|
{
|
|
// need to split the url into two panels
|
|
int oldIndex = _clickableTextPanels[clickableTextNum - 1]->GetTextIndex();
|
|
|
|
// make a new clickable text panel
|
|
if (clickableTextNum >= _clickableTextPanels.Count())
|
|
{
|
|
_clickableTextPanels.AddToTail(new ClickPanel(this));
|
|
}
|
|
|
|
ClickPanel *clickPanel = _clickableTextPanels[clickableTextNum++];
|
|
clickPanel->SetTextIndex(oldIndex, i);
|
|
}
|
|
}
|
|
|
|
flLineWidthSoFar = 0;
|
|
justStartedNewLine = true;
|
|
hasWord = false;
|
|
wordStartedOnNewLine = false;
|
|
_currentTextClickable = false;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// end the list
|
|
m_LineBreaks.AddToTail(MAX_BUFFER_SIZE);
|
|
|
|
// set up the scrollbar
|
|
_invalidateVerticalScrollbarSlider = true;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Recalculate where the vertical scroll bar slider should be
|
|
// based on the current cursor line we are on.
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::LayoutVerticalScrollBarSlider()
|
|
{
|
|
_invalidateVerticalScrollbarSlider = false;
|
|
|
|
// set up the scrollbar
|
|
//if (!_vertScrollBar->IsVisible())
|
|
// return;
|
|
|
|
|
|
// see where the scrollbar currently is
|
|
int previousValue = _vertScrollBar->GetValue();
|
|
bool bCurrentlyAtEnd = false;
|
|
int rmin, rmax;
|
|
_vertScrollBar->GetRange(rmin, rmax);
|
|
if (rmax && (previousValue + rmin + _vertScrollBar->GetRangeWindow() == rmax))
|
|
{
|
|
bCurrentlyAtEnd = true;
|
|
}
|
|
|
|
// work out position to put scrollbar, factoring in insets
|
|
int wide, tall;
|
|
GetSize( wide, tall );
|
|
|
|
_vertScrollBar->SetPos( wide - _vertScrollBar->GetWide(), 0 );
|
|
// scrollbar is inside the borders.
|
|
_vertScrollBar->SetSize( _vertScrollBar->GetWide(), tall );
|
|
|
|
// calculate how many lines we can fully display
|
|
int displayLines = tall / (GetLineHeight() + _drawOffsetY);
|
|
int numLines = m_LineBreaks.Count();
|
|
|
|
if (numLines <= displayLines)
|
|
{
|
|
// disable the scrollbar
|
|
_vertScrollBar->SetEnabled(false);
|
|
_vertScrollBar->SetRange(0, numLines);
|
|
_vertScrollBar->SetRangeWindow(numLines);
|
|
_vertScrollBar->SetValue(0);
|
|
|
|
if ( m_bUnusedScrollbarInvis )
|
|
{
|
|
SetVerticalScrollbar( false );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ( m_bUnusedScrollbarInvis )
|
|
{
|
|
SetVerticalScrollbar( true );
|
|
}
|
|
|
|
// set the scrollbars range
|
|
_vertScrollBar->SetRange(0, numLines);
|
|
_vertScrollBar->SetRangeWindow(displayLines);
|
|
_vertScrollBar->SetEnabled(true);
|
|
|
|
// this should make it scroll one line at a time
|
|
_vertScrollBar->SetButtonPressedScrollValue(1);
|
|
if (bCurrentlyAtEnd)
|
|
{
|
|
_vertScrollBar->SetValue(numLines - displayLines);
|
|
}
|
|
_vertScrollBar->InvalidateLayout();
|
|
_vertScrollBar->Repaint();
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Sets whether a vertical scrollbar is visible
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::SetVerticalScrollbar(bool state)
|
|
{
|
|
if (_vertScrollBar->IsVisible() != state)
|
|
{
|
|
_vertScrollBar->SetVisible(state);
|
|
InvalidateLineBreakStream();
|
|
InvalidateLayout();
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Create cut/copy/paste dropdown menu
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::CreateEditMenu()
|
|
{
|
|
// create a drop down cut/copy/paste menu appropriate for this object's states
|
|
if (m_pEditMenu)
|
|
delete m_pEditMenu;
|
|
m_pEditMenu = new Menu(this, "EditMenu");
|
|
|
|
|
|
// add cut/copy/paste drop down options if its editable, just copy if it is not
|
|
m_pEditMenu->AddMenuItem("C&opy", new KeyValues("DoCopySelected"), this);
|
|
|
|
m_pEditMenu->SetVisible(false);
|
|
m_pEditMenu->SetParent(this);
|
|
m_pEditMenu->AddActionSignalTarget(this);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: We want single line windows to scroll horizontally and select text
|
|
// in response to clicking and holding outside window
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::OnMouseFocusTicked()
|
|
{
|
|
// if a button is down move the scrollbar slider the appropriate direction
|
|
if (_mouseDragSelection) // text is being selected via mouse clicking and dragging
|
|
{
|
|
OnCursorMoved(0,0); // we want the text to scroll as if we were dragging
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: If a cursor enters the window, we are not elegible for
|
|
// MouseFocusTicked events
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::OnCursorEntered()
|
|
{
|
|
_mouseDragSelection = false; // outside of window dont recieve drag scrolling ticks
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: When the cursor is outside the window, if we are holding the mouse
|
|
// button down, then we want the window to scroll the text one char at a time using Ticks
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::OnCursorExited()
|
|
{
|
|
// outside of window recieve drag scrolling ticks
|
|
if (_mouseSelection)
|
|
{
|
|
_mouseDragSelection = true;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Handle selection of text by mouse
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::OnCursorMoved(int x, int y)
|
|
{
|
|
if (_mouseSelection)
|
|
{
|
|
// update the cursor position
|
|
int x, y;
|
|
input()->GetCursorPos(x, y);
|
|
ScreenToLocal(x, y);
|
|
_cursorPos = PixelToCursorSpace(x, y);
|
|
|
|
if (_cursorPos != _select[1])
|
|
{
|
|
_select[1] = _cursorPos;
|
|
Repaint();
|
|
}
|
|
// Msg( "selecting range [%d..%d]\n", _select[0], _select[1] );
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Handle mouse button down events.
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::OnMousePressed(MouseCode code)
|
|
{
|
|
if (code == MOUSE_LEFT)
|
|
{
|
|
// clear current selection
|
|
SelectNone();
|
|
|
|
// move the cursor to where the mouse was pressed
|
|
int x, y;
|
|
input()->GetCursorPos(x, y);
|
|
ScreenToLocal(x, y);
|
|
|
|
_cursorPos = PixelToCursorSpace(x, y);
|
|
|
|
if ( m_bInteractive )
|
|
{
|
|
// enter selection mode
|
|
input()->SetMouseCapture(GetVPanel());
|
|
_mouseSelection = true;
|
|
|
|
if (_select[0] < 0)
|
|
{
|
|
// if no initial selection position, Start selection position at cursor
|
|
_select[0] = _cursorPos;
|
|
}
|
|
_select[1] = _cursorPos;
|
|
}
|
|
|
|
RequestFocus();
|
|
Repaint();
|
|
}
|
|
else if (code == MOUSE_RIGHT) // check for context menu open
|
|
{
|
|
if ( m_bInteractive )
|
|
{
|
|
CreateEditMenu();
|
|
Assert(m_pEditMenu);
|
|
|
|
OpenEditMenu();
|
|
}
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Handle mouse button up events
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::OnMouseReleased(MouseCode code)
|
|
{
|
|
_mouseSelection = false;
|
|
input()->SetMouseCapture(NULL);
|
|
|
|
// make sure something has been selected
|
|
int cx0, cx1;
|
|
if (GetSelectedRange(cx0, cx1))
|
|
{
|
|
if (cx1 - cx0 == 0)
|
|
{
|
|
// nullify selection
|
|
_select[0] = -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Handle mouse double clicks
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::OnMouseDoublePressed(MouseCode code)
|
|
{
|
|
if ( !m_bInteractive )
|
|
return;
|
|
|
|
// left double clicking on a word selects the word
|
|
if (code == MOUSE_LEFT)
|
|
{
|
|
// move the cursor just as if you single clicked.
|
|
OnMousePressed(code);
|
|
// then find the start and end of the word we are in to highlight it.
|
|
int selectSpot[2];
|
|
GotoWordLeft();
|
|
selectSpot[0] = _cursorPos;
|
|
GotoWordRight();
|
|
selectSpot[1] = _cursorPos;
|
|
|
|
if ( _cursorPos > 0 && (_cursorPos-1) < m_TextStream.Count() )
|
|
{
|
|
if (iswspace(m_TextStream[_cursorPos-1]))
|
|
{
|
|
selectSpot[1]--;
|
|
_cursorPos--;
|
|
}
|
|
}
|
|
|
|
_select[0] = selectSpot[0];
|
|
_select[1] = selectSpot[1];
|
|
_mouseSelection = true;
|
|
}
|
|
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Turn off text selection code when mouse button is not down
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::OnMouseCaptureLost()
|
|
{
|
|
_mouseSelection = false;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Masks which keys get chained up
|
|
// Maps keyboard input to text window functions.
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::OnKeyCodeTyped(KeyCode code)
|
|
{
|
|
bool shift = (input()->IsKeyDown(KEY_LSHIFT) || input()->IsKeyDown(KEY_RSHIFT));
|
|
bool ctrl = (input()->IsKeyDown(KEY_LCONTROL) || input()->IsKeyDown(KEY_RCONTROL));
|
|
bool alt = (input()->IsKeyDown(KEY_LALT) || input()->IsKeyDown(KEY_RALT));
|
|
bool winkey = (input()->IsKeyDown(KEY_LWIN) || input()->IsKeyDown(KEY_RWIN));
|
|
bool fallThrough = false;
|
|
|
|
if ( ctrl || ( winkey && IsOSX() ) )
|
|
{
|
|
switch(code)
|
|
{
|
|
case KEY_INSERT:
|
|
case KEY_C:
|
|
case KEY_X:
|
|
{
|
|
CopySelected();
|
|
break;
|
|
}
|
|
case KEY_PAGEUP:
|
|
case KEY_HOME:
|
|
{
|
|
GotoTextStart();
|
|
break;
|
|
}
|
|
case KEY_PAGEDOWN:
|
|
case KEY_END:
|
|
{
|
|
GotoTextEnd();
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
fallThrough = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else if (alt)
|
|
{
|
|
// do nothing with ALT-x keys
|
|
fallThrough = true;
|
|
}
|
|
else
|
|
{
|
|
switch(code)
|
|
{
|
|
case KEY_TAB:
|
|
case KEY_LSHIFT:
|
|
case KEY_RSHIFT:
|
|
case KEY_ESCAPE:
|
|
case KEY_ENTER:
|
|
{
|
|
fallThrough = true;
|
|
break;
|
|
}
|
|
case KEY_DELETE:
|
|
{
|
|
if (shift)
|
|
{
|
|
// shift-delete is cut
|
|
CopySelected();
|
|
}
|
|
break;
|
|
}
|
|
case KEY_HOME:
|
|
{
|
|
GotoTextStart();
|
|
break;
|
|
}
|
|
case KEY_END:
|
|
{
|
|
GotoTextEnd();
|
|
break;
|
|
}
|
|
case KEY_PAGEUP:
|
|
{
|
|
// if there is a scroll bar scroll down one rangewindow
|
|
if (_vertScrollBar->IsVisible())
|
|
{
|
|
int window = _vertScrollBar->GetRangeWindow();
|
|
int newval = _vertScrollBar->GetValue();
|
|
_vertScrollBar->SetValue(newval - window - 1);
|
|
}
|
|
break;
|
|
|
|
}
|
|
case KEY_PAGEDOWN:
|
|
{
|
|
// if there is a scroll bar scroll down one rangewindow
|
|
if (_vertScrollBar->IsVisible())
|
|
{
|
|
int window = _vertScrollBar->GetRangeWindow();
|
|
int newval = _vertScrollBar->GetValue();
|
|
_vertScrollBar->SetValue(newval + window + 1);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
// return if any other char is pressed.
|
|
// as it will be a unicode char.
|
|
// and we don't want select[1] changed unless a char was pressed that this fxn handles
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
// select[1] is the location in the line where the blinking cursor started
|
|
_select[1] = _cursorPos;
|
|
|
|
// chain back on some keys
|
|
if (fallThrough)
|
|
{
|
|
BaseClass::OnKeyCodeTyped(code);
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Scrolls the list according to the mouse wheel movement
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::OnMouseWheeled(int delta)
|
|
{
|
|
MoveScrollBar(delta);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Scrolls the list
|
|
// Input : delta - amount to move scrollbar up
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::MoveScrollBar(int delta)
|
|
{
|
|
MoveScrollBarDirect( delta * 3 );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Scrolls the list
|
|
// Input : delta - amount to move scrollbar up
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::MoveScrollBarDirect(int delta)
|
|
{
|
|
if (_vertScrollBar->IsVisible())
|
|
{
|
|
int val = _vertScrollBar->GetValue();
|
|
val -= delta;
|
|
_vertScrollBar->SetValue(val);
|
|
_recalcSavedRenderState = true;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: set the maximum number of chars in the text buffer
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::SetMaximumCharCount(int maxChars)
|
|
{
|
|
_maxCharCount = maxChars;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Find out what line the cursor is on
|
|
//-----------------------------------------------------------------------------
|
|
int RichText::GetCursorLine()
|
|
{
|
|
// always returns the last place
|
|
int pos = m_LineBreaks[m_LineBreaks.Count() - 1];
|
|
Assert(pos == MAX_BUFFER_SIZE);
|
|
return pos;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Move the cursor over to the Start of the next word to the right
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::GotoWordRight()
|
|
{
|
|
// search right until we hit a whitespace character or a newline
|
|
while (++_cursorPos < m_TextStream.Count())
|
|
{
|
|
if (iswspace(m_TextStream[_cursorPos]))
|
|
break;
|
|
}
|
|
|
|
// search right until we hit an nonspace character
|
|
while (++_cursorPos < m_TextStream.Count())
|
|
{
|
|
if (!iswspace(m_TextStream[_cursorPos]))
|
|
break;
|
|
}
|
|
|
|
if (_cursorPos > m_TextStream.Count())
|
|
{
|
|
_cursorPos = m_TextStream.Count();
|
|
}
|
|
|
|
// now we are at the start of the next word
|
|
Repaint();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Move the cursor over to the Start of the next word to the left
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::GotoWordLeft()
|
|
{
|
|
if (_cursorPos < 1)
|
|
return;
|
|
|
|
// search left until we hit an nonspace character
|
|
while (--_cursorPos >= 0)
|
|
{
|
|
if (!iswspace(m_TextStream[_cursorPos]))
|
|
break;
|
|
}
|
|
|
|
// search left until we hit a whitespace character
|
|
while (--_cursorPos >= 0)
|
|
{
|
|
if (iswspace(m_TextStream[_cursorPos]))
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
// we end one character off
|
|
_cursorPos++;
|
|
|
|
// now we are at the start of the previous word
|
|
Repaint();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Move cursor to the Start of the text buffer
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::GotoTextStart()
|
|
{
|
|
_cursorPos = 0; // set cursor to start
|
|
_invalidateVerticalScrollbarSlider = true;
|
|
// force scrollbar to the top
|
|
_vertScrollBar->SetValue(0);
|
|
Repaint();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Move cursor to the end of the text buffer
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::GotoTextEnd()
|
|
{
|
|
_cursorPos = m_TextStream.Count(); // set cursor to end of buffer
|
|
_invalidateVerticalScrollbarSlider = true;
|
|
|
|
// force the scrollbar to the bottom
|
|
int min, max;
|
|
_vertScrollBar->GetRange(min, max);
|
|
_vertScrollBar->SetValue(max);
|
|
|
|
Repaint();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Culls the text stream down to a managable size
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::TruncateTextStream()
|
|
{
|
|
if (_maxCharCount < 1)
|
|
return;
|
|
|
|
// choose a point to cull at
|
|
int cullPos = _maxCharCount / 2;
|
|
|
|
// kill half the buffer
|
|
m_TextStream.RemoveMultiple(0, cullPos);
|
|
|
|
// work out where in the format stream we can start
|
|
int formatIndex = FindFormatStreamIndexForTextStreamPos(cullPos);
|
|
if (formatIndex > 0)
|
|
{
|
|
// take a copy, make it first
|
|
m_FormatStream[0] = m_FormatStream[formatIndex];
|
|
m_FormatStream[0].textStreamIndex = 0;
|
|
// kill the others
|
|
m_FormatStream.RemoveMultiple(1, formatIndex);
|
|
}
|
|
|
|
// renormalize the remainder of the format stream
|
|
for (int i = 1; i < m_FormatStream.Count(); i++)
|
|
{
|
|
Assert(m_FormatStream[i].textStreamIndex > cullPos);
|
|
m_FormatStream[i].textStreamIndex -= cullPos;
|
|
}
|
|
|
|
// mark everything to be recalculated
|
|
InvalidateLineBreakStream();
|
|
InvalidateLayout();
|
|
_invalidateVerticalScrollbarSlider = true;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Insert a character into the text buffer
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::InsertChar(wchar_t wch)
|
|
{
|
|
// throw away redundant linefeed characters
|
|
if ( wch == '\r' )
|
|
return;
|
|
|
|
if (_maxCharCount > 0 && m_TextStream.Count() > _maxCharCount)
|
|
{
|
|
TruncateTextStream();
|
|
}
|
|
|
|
// insert the new char at the end of the buffer
|
|
m_TextStream.AddToTail(wch);
|
|
|
|
// mark the linebreak steam as needing recalculating from that point
|
|
_recalculateBreaksIndex = m_LineBreaks.Count() - 2;
|
|
Repaint();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Insert a string into the text buffer, this is just a series
|
|
// of char inserts because we have to check each char is ok to insert
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::InsertString(const char *text)
|
|
{
|
|
if (text[0] == '#')
|
|
{
|
|
wchar_t unicode[ 1024 ];
|
|
ResolveLocalizedTextAndVariables( text, unicode, sizeof( unicode ) );
|
|
InsertString( unicode );
|
|
return;
|
|
}
|
|
|
|
// upgrade the ansi text to unicode to display it
|
|
int len = strlen(text);
|
|
wchar_t *unicode = (wchar_t *)_alloca((len + 1) * sizeof(wchar_t));
|
|
Q_UTF8ToUnicode(text, unicode, ((len + 1) * sizeof(wchar_t)));
|
|
InsertString(unicode);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Insertsa a unicode string into the buffer
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::InsertString(const wchar_t *wszText)
|
|
{
|
|
// insert the whole string
|
|
for (const wchar_t *ch = wszText; *ch != 0; ++ch)
|
|
{
|
|
InsertChar(*ch);
|
|
}
|
|
InvalidateLayout();
|
|
m_bRecalcLineBreaks = true;
|
|
Repaint();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Declare a selection empty
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::SelectNone()
|
|
{
|
|
// tag the selection as empty
|
|
_select[0] = -1;
|
|
Repaint();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Load in the selection range so cx0 is the Start and cx1 is the end
|
|
// from smallest to highest (right to left)
|
|
//-----------------------------------------------------------------------------
|
|
bool RichText::GetSelectedRange(int &cx0, int &cx1)
|
|
{
|
|
// if there is nothing selected return false
|
|
if (_select[0] == -1)
|
|
return false;
|
|
|
|
// sort the two position so cx0 is the smallest
|
|
cx0 = _select[0];
|
|
cx1 = _select[1];
|
|
if (cx1 < cx0)
|
|
{
|
|
int temp = cx0;
|
|
cx0 = cx1;
|
|
cx1 = temp;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Opens the cut/copy/paste dropdown menu
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::OpenEditMenu()
|
|
{
|
|
// get cursor position, this is local to this text edit window
|
|
// so we need to adjust it relative to the parent
|
|
int cursorX, cursorY;
|
|
input()->GetCursorPos(cursorX, cursorY);
|
|
|
|
/* !! disabled since it recursively gets panel pointers, potentially across dll boundaries,
|
|
and doesn't need to be necessary (it's just for handling windowed mode)
|
|
|
|
// find the frame that has no parent (the one on the desktop)
|
|
Panel *panel = this;
|
|
while ( panel->GetParent() != NULL)
|
|
{
|
|
panel = panel->GetParent();
|
|
}
|
|
panel->ScreenToLocal(cursorX, cursorY);
|
|
int x, y;
|
|
// get base panel's postition
|
|
panel->GetPos(x, y);
|
|
|
|
// adjust our cursor position accordingly
|
|
cursorX += x;
|
|
cursorY += y;
|
|
*/
|
|
|
|
int x0, x1;
|
|
if (GetSelectedRange(x0, x1)) // there is something selected
|
|
{
|
|
m_pEditMenu->SetItemEnabled("&Cut", true);
|
|
m_pEditMenu->SetItemEnabled("C&opy", true);
|
|
}
|
|
else // there is nothing selected, disable cut/copy options
|
|
{
|
|
m_pEditMenu->SetItemEnabled("&Cut", false);
|
|
m_pEditMenu->SetItemEnabled("C&opy", false);
|
|
}
|
|
m_pEditMenu->SetVisible(true);
|
|
m_pEditMenu->RequestFocus();
|
|
|
|
// relayout the menu immediately so that we know it's size
|
|
m_pEditMenu->InvalidateLayout(true);
|
|
int menuWide, menuTall;
|
|
m_pEditMenu->GetSize(menuWide, menuTall);
|
|
|
|
// work out where the cursor is and therefore the best place to put the menu
|
|
int wide, tall;
|
|
surface()->GetScreenSize(wide, tall);
|
|
|
|
if (wide - menuWide > cursorX)
|
|
{
|
|
// menu hanging right
|
|
if (tall - menuTall > cursorY)
|
|
{
|
|
// menu hanging down
|
|
m_pEditMenu->SetPos(cursorX, cursorY);
|
|
}
|
|
else
|
|
{
|
|
// menu hanging up
|
|
m_pEditMenu->SetPos(cursorX, cursorY - menuTall);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// menu hanging left
|
|
if (tall - menuTall > cursorY)
|
|
{
|
|
// menu hanging down
|
|
m_pEditMenu->SetPos(cursorX - menuWide, cursorY);
|
|
}
|
|
else
|
|
{
|
|
// menu hanging up
|
|
m_pEditMenu->SetPos(cursorX - menuWide, cursorY - menuTall);
|
|
}
|
|
}
|
|
|
|
m_pEditMenu->RequestFocus();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Cuts the selected chars from the buffer and
|
|
// copies them into the clipboard
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::CutSelected()
|
|
{
|
|
CopySelected();
|
|
// have to request focus if we used the menu
|
|
RequestFocus();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Copies the selected chars into the clipboard
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::CopySelected()
|
|
{
|
|
int x0, x1;
|
|
if (GetSelectedRange(x0, x1))
|
|
{
|
|
CUtlVector<wchar_t> buf;
|
|
for (int i = x0; i <= x1; i++)
|
|
{
|
|
if ( m_TextStream.IsValidIndex(i) == false )
|
|
continue;
|
|
|
|
if (m_TextStream[i] == '\n')
|
|
{
|
|
buf.AddToTail( '\r' );
|
|
}
|
|
// remove any rich edit commands
|
|
buf.AddToTail(m_TextStream[i]);
|
|
}
|
|
buf.AddToTail('\0');
|
|
system()->SetClipboardText(buf.Base(), buf.Count() - 1);
|
|
}
|
|
|
|
// have to request focus if we used the menu
|
|
RequestFocus();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Returns the index in the text buffer of the
|
|
// character the drawing should Start at
|
|
//-----------------------------------------------------------------------------
|
|
int RichText::GetStartDrawIndex(int &lineBreakIndexIndex)
|
|
{
|
|
int startIndex = 0;
|
|
int startLine = _vertScrollBar->GetValue();
|
|
|
|
if ( startLine >= m_LineBreaks.Count() ) // incase the line breaks got reset and the scroll bar hasn't
|
|
{
|
|
startLine = m_LineBreaks.Count() - 1;
|
|
}
|
|
|
|
lineBreakIndexIndex = startLine;
|
|
if (startLine && startLine < m_LineBreaks.Count())
|
|
{
|
|
startIndex = m_LineBreaks[startLine - 1];
|
|
}
|
|
|
|
return startIndex;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Get a string from text buffer
|
|
// Input: offset - index to Start reading from
|
|
// bufLen - length of string
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::GetText(int offset, wchar_t *buf, int bufLenInBytes)
|
|
{
|
|
if (!buf)
|
|
return;
|
|
|
|
Assert( bufLenInBytes >= sizeof(buf[0]) );
|
|
int bufLen = bufLenInBytes / sizeof(wchar_t);
|
|
int i;
|
|
for (i = offset; i < (offset + bufLen - 1); i++)
|
|
{
|
|
if (i >= m_TextStream.Count())
|
|
break;
|
|
|
|
buf[i-offset] = m_TextStream[i];
|
|
}
|
|
buf[(i-offset)] = 0;
|
|
buf[bufLen-1] = 0;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: gets text from the buffer
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::GetText(int offset, char *pch, int bufLenInBytes)
|
|
{
|
|
wchar_t rgwchT[4096];
|
|
GetText(offset, rgwchT, sizeof(rgwchT));
|
|
Q_UnicodeToUTF8(rgwchT, pch, bufLenInBytes);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Set the font of the buffer text
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::SetFont(HFont font)
|
|
{
|
|
_font = font;
|
|
InvalidateLayout();
|
|
m_bRecalcLineBreaks = true;
|
|
Repaint();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Called when the scrollbar slider is moved
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::OnSliderMoved()
|
|
{
|
|
_recalcSavedRenderState = true;
|
|
Repaint();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
bool RichText::RequestInfo(KeyValues *outputData)
|
|
{
|
|
if (!stricmp(outputData->GetName(), "GetText"))
|
|
{
|
|
wchar_t wbuf[512];
|
|
GetText(0, wbuf, sizeof(wbuf));
|
|
outputData->SetWString("text", wbuf);
|
|
return true;
|
|
}
|
|
|
|
return BaseClass::RequestInfo(outputData);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::OnSetText(const wchar_t *text)
|
|
{
|
|
SetText(text);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Called when a URL, etc has been clicked on
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::OnClickPanel(int index)
|
|
{
|
|
wchar_t wBuf[512];
|
|
int outIndex = 0;
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|
|
|
// parse out the clickable text, and send it to our listeners
|
|
_currentTextClickable = true;
|
|
TRenderState renderState;
|
|
GenerateRenderStateForTextStreamIndex(index, renderState);
|
|
for (int i = index; i < (sizeof(wBuf) - 1) && i < m_TextStream.Count(); i++)
|
|
{
|
|
// stop getting characters when text is no longer clickable
|
|
UpdateRenderState(i, renderState);
|
|
if (!renderState.textClickable)
|
|
break;
|
|
|
|
// copy out the character
|
|
wBuf[outIndex++] = m_TextStream[i];
|
|
}
|
|
|
|
wBuf[outIndex] = 0;
|
|
|
|
int iFormatSteam = FindFormatStreamIndexForTextStreamPos( index );
|
|
if ( m_FormatStream[iFormatSteam].m_sClickableTextAction )
|
|
{
|
|
Q_UTF8ToUnicode( m_FormatStream[iFormatSteam].m_sClickableTextAction.String(), wBuf, sizeof( wBuf ) );
|
|
}
|
|
|
|
PostActionSignal(new KeyValues("TextClicked", "text", wBuf));
|
|
OnTextClicked(wBuf);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::ApplySettings(KeyValues *inResourceData)
|
|
{
|
|
BaseClass::ApplySettings(inResourceData);
|
|
SetMaximumCharCount(inResourceData->GetInt("maxchars", -1));
|
|
SetVerticalScrollbar(inResourceData->GetInt("scrollbar", 1));
|
|
|
|
// get the starting text, if any
|
|
const char *text = inResourceData->GetString("text", "");
|
|
if (*text)
|
|
{
|
|
delete [] m_pszInitialText;
|
|
int len = Q_strlen(text) + 1;
|
|
m_pszInitialText = new char[ len ];
|
|
Q_strncpy( m_pszInitialText, text, len );
|
|
SetText(text);
|
|
}
|
|
else
|
|
{
|
|
const char *textfilename = inResourceData->GetString("textfile", NULL);
|
|
if ( textfilename )
|
|
{
|
|
FileHandle_t f = g_pFullFileSystem->Open( textfilename, "rt" );
|
|
if (!f)
|
|
{
|
|
Warning( "RichText: textfile parameter '%s' not found.\n", textfilename );
|
|
return;
|
|
}
|
|
|
|
int len = g_pFullFileSystem->Size( f );
|
|
delete [] m_pszInitialText;
|
|
m_pszInitialText = new char[ len + 1 ];
|
|
g_pFullFileSystem->Read( m_pszInitialText, len, f );
|
|
m_pszInitialText[len - 1] = 0;
|
|
SetText( m_pszInitialText );
|
|
|
|
g_pFullFileSystem->Close( f );
|
|
}
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::GetSettings(KeyValues *outResourceData)
|
|
{
|
|
BaseClass::GetSettings(outResourceData);
|
|
outResourceData->SetInt("maxchars", _maxCharCount);
|
|
outResourceData->SetInt("scrollbar", _vertScrollBar->IsVisible() );
|
|
if (m_pszInitialText)
|
|
{
|
|
outResourceData->SetString("text", m_pszInitialText);
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
const char *RichText::GetDescription()
|
|
{
|
|
static char buf[1024];
|
|
Q_snprintf(buf, sizeof(buf), "%s, string text, bool scrollbar", BaseClass::GetDescription());
|
|
return buf;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Get the number of lines in the window
|
|
//-----------------------------------------------------------------------------
|
|
int RichText::GetNumLines()
|
|
{
|
|
return m_LineBreaks.Count();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Sets the height of the text entry window so all text will fit inside
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::SetToFullHeight()
|
|
{
|
|
PerformLayout();
|
|
int wide, tall;
|
|
GetSize(wide, tall);
|
|
|
|
tall = GetNumLines() * (GetLineHeight() + _drawOffsetY) + _drawOffsetY + 2;
|
|
SetSize (wide, tall);
|
|
PerformLayout();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Select all the text.
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::SelectAllText()
|
|
{
|
|
_cursorPos = 0;
|
|
_select[0] = 0;
|
|
_select[1] = m_TextStream.Count();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Select all the text.
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::SelectNoText()
|
|
{
|
|
_select[0] = 0;
|
|
_select[1] = 0;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::OnSetFocus()
|
|
{
|
|
BaseClass::OnSetFocus();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Invalidates the current linebreak stream
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::InvalidateLineBreakStream()
|
|
{
|
|
// clear the buffer
|
|
m_LineBreaks.RemoveAll();
|
|
m_LineBreaks.AddToTail(MAX_BUFFER_SIZE);
|
|
_recalculateBreaksIndex = 0;
|
|
m_bRecalcLineBreaks = true;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Inserts a text string while making URLs clickable/different color
|
|
// Input : *text - string that may contain URLs to make clickable/color coded
|
|
// URLTextColor - color for URL text
|
|
// normalTextColor - color for normal text
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::InsertPossibleURLString(const char* text, Color URLTextColor, Color normalTextColor)
|
|
{
|
|
InsertColorChange(normalTextColor);
|
|
|
|
// parse out the string for URL's
|
|
int len = Q_strlen(text), pos = 0;
|
|
bool clickable = false;
|
|
char *pchURLText = (char *)stackalloc( len + 1 );
|
|
char *pchURL = (char *)stackalloc( len + 1 );
|
|
|
|
while (pos < len)
|
|
{
|
|
pos = ParseTextStringForUrls( text, pos, pchURLText, len, pchURL, len, clickable );
|
|
|
|
if ( clickable )
|
|
{
|
|
InsertClickableTextStart( pchURL );
|
|
InsertColorChange( URLTextColor );
|
|
}
|
|
|
|
InsertString( pchURLText );
|
|
|
|
if ( clickable )
|
|
{
|
|
InsertColorChange(normalTextColor);
|
|
InsertClickableTextEnd();
|
|
}
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: looks for URLs in the string and returns information about the URL
|
|
//-----------------------------------------------------------------------------
|
|
int RichText::ParseTextStringForUrls( const char *text, int startPos, char *pchURLText, int cchURLText, char *pchURL, int cchURL, bool &clickable )
|
|
{
|
|
// scan for text that looks like a URL
|
|
int i = startPos;
|
|
while (text[i] != 0)
|
|
{
|
|
bool bURLFound = false;
|
|
|
|
if ( !Q_strnicmp(text + i, "<a href=", 8) )
|
|
{
|
|
if (i > startPos)
|
|
break;
|
|
|
|
// embedded link
|
|
bURLFound = true;
|
|
clickable = true;
|
|
// get the url
|
|
i += Q_strlen( "<a href=" );
|
|
const char *pchURLEnd = Q_strstr( text + i, ">" );
|
|
Q_strncpy( pchURL, text + i, min( pchURLEnd - text - i + 1, cchURL ) );
|
|
i += ( pchURLEnd - text - i + 1 );
|
|
|
|
// get the url text
|
|
pchURLEnd = Q_strstr( text, "</a>" );
|
|
Q_strncpy( pchURLText, text + i, min( pchURLEnd - text - i + 1, cchURLText ) );
|
|
i += ( pchURLEnd - text - i );
|
|
i += Q_strlen( "</a>" );
|
|
|
|
// we're done
|
|
return i;
|
|
}
|
|
else if (!Q_strnicmp(text + i, "www.", 4))
|
|
{
|
|
// scan ahead for another '.'
|
|
bool bPeriodFound = false;
|
|
for (const char *ch = text + i + 5; ch != 0; ch++)
|
|
{
|
|
if (*ch == '.')
|
|
{
|
|
bPeriodFound = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// URL found
|
|
if (bPeriodFound)
|
|
{
|
|
bURLFound = true;
|
|
}
|
|
}
|
|
else if (!Q_strnicmp(text + i, "http://", 7))
|
|
{
|
|
bURLFound = true;
|
|
}
|
|
else if (!Q_strnicmp(text + i, "ftp://", 6))
|
|
{
|
|
bURLFound = true;
|
|
}
|
|
else if (!Q_strnicmp(text + i, "steam://", 8))
|
|
{
|
|
bURLFound = true;
|
|
}
|
|
else if (!Q_strnicmp(text + i, "steambeta://", 12))
|
|
{
|
|
bURLFound = true;
|
|
}
|
|
else if (!Q_strnicmp(text + i, "mailto:", 7))
|
|
{
|
|
bURLFound = true;
|
|
}
|
|
else if (!Q_strnicmp(text + i, "\\\\", 2))
|
|
{
|
|
bURLFound = true;
|
|
}
|
|
|
|
if (bURLFound)
|
|
{
|
|
if (i == startPos)
|
|
{
|
|
// we're at the Start of a URL, so parse that out
|
|
clickable = true;
|
|
int outIndex = 0;
|
|
while (text[i] != 0 && !iswspace(text[i]))
|
|
{
|
|
pchURLText[outIndex++] = text[i++];
|
|
}
|
|
pchURLText[outIndex] = 0;
|
|
Q_strncpy( pchURL, pchURLText, cchURL );
|
|
return i;
|
|
}
|
|
else
|
|
{
|
|
// no url
|
|
break;
|
|
}
|
|
}
|
|
|
|
// increment and loop
|
|
i++;
|
|
}
|
|
|
|
// nothing found;
|
|
// parse out the text before the end
|
|
clickable = false;
|
|
int outIndex = 0;
|
|
int fromIndex = startPos;
|
|
while ( fromIndex < i && outIndex < cchURLText )
|
|
{
|
|
pchURLText[outIndex++] = text[fromIndex++];
|
|
}
|
|
pchURLText[outIndex] = 0;
|
|
Q_strncpy( pchURL, pchURLText, cchURL );
|
|
|
|
return i;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Executes the text-clicked command, which opens a web browser by
|
|
// default.
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::OnTextClicked(const wchar_t *wszText)
|
|
{
|
|
// Strip leading/trailing quotes, which may be present on href tags or may not.
|
|
const wchar_t *pwchURL = wszText;
|
|
if ( pwchURL[0] == L'"' || pwchURL[0] == L'\'' )
|
|
pwchURL = wszText + 1;
|
|
|
|
char ansi[2048];
|
|
Q_UnicodeToUTF8( pwchURL, ansi, sizeof(ansi) );
|
|
|
|
size_t strLen = Q_strlen(ansi);
|
|
if ( strLen && ( ansi[strLen-1] == '"' || ansi[strLen] == '\'' ) )
|
|
{
|
|
ansi[strLen-1] = 0;
|
|
}
|
|
|
|
if ( m_hPanelToHandleClickingURLs.Get() )
|
|
{
|
|
PostMessage( m_hPanelToHandleClickingURLs.Get(), new KeyValues( "URLClicked", "url", ansi ) );
|
|
}
|
|
else
|
|
{
|
|
system()->ShellExecute( "open", ansi );
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::SetURLClickedHandler( Panel *pPanelToHandleClickMsg )
|
|
{
|
|
m_hPanelToHandleClickingURLs = pPanelToHandleClickMsg;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: data accessor
|
|
//-----------------------------------------------------------------------------
|
|
bool RichText::IsScrollbarVisible()
|
|
{
|
|
return _vertScrollBar->IsVisible();
|
|
}
|
|
|
|
void RichText::SetUnderlineFont( HFont font )
|
|
{
|
|
m_hFontUnderline = font;
|
|
}
|
|
|
|
bool RichText::IsAllTextAlphaZero() const
|
|
{
|
|
return m_bAllTextAlphaIsZero;
|
|
}
|
|
|
|
bool RichText::HasText() const
|
|
{
|
|
int c = m_TextStream.Count();
|
|
if ( c == 0 )
|
|
{
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Returns the height of the base font
|
|
//-----------------------------------------------------------------------------
|
|
int RichText::GetLineHeight()
|
|
{
|
|
return surface()->GetFontTall( _font );
|
|
}
|
|
|
|
|
|
#ifdef DBGFLAG_VALIDATE
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Run a global validation pass on all of our data structures and memory
|
|
// allocations.
|
|
// Input: validator - Our global validator object
|
|
// pchName - Our name (typically a member var in our container)
|
|
//-----------------------------------------------------------------------------
|
|
void RichText::Validate( CValidator &validator, char *pchName )
|
|
{
|
|
validator.Push( "vgui::RichText", this, pchName );
|
|
|
|
ValidateObj( m_TextStream );
|
|
ValidateObj( m_FormatStream );
|
|
ValidateObj( m_LineBreaks );
|
|
ValidateObj( _clickableTextPanels );
|
|
validator.ClaimMemory( m_pszInitialText );
|
|
|
|
BaseClass::Validate( validator, "vgui::RichText" );
|
|
|
|
validator.Pop();
|
|
}
|
|
#endif // DBGFLAG_VALIDATE
|
|
|