source-engine-2018-hl2_src/vgui2/vgui_controls/ScrollableEditablePanel.cpp
FluorescentCIAAfricanAmerican 3bf9df6b27 1
2020-04-22 12:56:21 -04:00

87 lines
2.4 KiB
C++

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================
#include "vgui_controls/ScrollableEditablePanel.h"
#include "vgui_controls/ScrollBar.h"
#include "vgui_controls/ScrollBarSlider.h"
#include "vgui_controls/Button.h"
#include "KeyValues.h"
// NOTE: This has to be the last file included!
#include "tier0/memdbgon.h"
using namespace vgui;
ScrollableEditablePanel::ScrollableEditablePanel( vgui::Panel *pParent, vgui::EditablePanel *pChild, const char *pName ) :
BaseClass( pParent, pName )
{
m_pChild = pChild;
m_pChild->SetParent( this );
m_pScrollBar = new vgui::ScrollBar( this, "VerticalScrollBar", true );
m_pScrollBar->SetWide( 16 );
m_pScrollBar->SetAutoResize( PIN_TOPRIGHT, AUTORESIZE_DOWN, 0, 0, -16, 0 );
m_pScrollBar->AddActionSignalTarget( this );
}
void ScrollableEditablePanel::ApplySettings( KeyValues *pInResourceData )
{
BaseClass::ApplySettings( pInResourceData );
KeyValues *pScrollbarKV = pInResourceData->FindKey( "Scrollbar" );
if ( pScrollbarKV )
{
m_pScrollBar->ApplySettings( pScrollbarKV );
}
}
void ScrollableEditablePanel::PerformLayout()
{
BaseClass::PerformLayout();
m_pChild->SetWide( GetWide() - m_pScrollBar->GetWide() );
m_pScrollBar->SetRange( 0, m_pChild->GetTall() );
m_pScrollBar->SetRangeWindow( GetTall() );
if ( m_pScrollBar->GetSlider() )
{
m_pScrollBar->GetSlider()->SetFgColor( GetFgColor() );
}
if ( m_pScrollBar->GetButton(0) )
{
m_pScrollBar->GetButton(0)->SetFgColor( GetFgColor() );
}
if ( m_pScrollBar->GetButton(1) )
{
m_pScrollBar->GetButton(1)->SetFgColor( GetFgColor() );
}
}
//-----------------------------------------------------------------------------
// Called when the scroll bar moves
//-----------------------------------------------------------------------------
void ScrollableEditablePanel::OnScrollBarSliderMoved()
{
InvalidateLayout();
int nScrollAmount = m_pScrollBar->GetValue();
m_pChild->SetPos( 0, -nScrollAmount );
}
//-----------------------------------------------------------------------------
// respond to mouse wheel events
//-----------------------------------------------------------------------------
void ScrollableEditablePanel::OnMouseWheeled(int delta)
{
int val = m_pScrollBar->GetValue();
val -= (delta * 50);
m_pScrollBar->SetValue( val );
}