Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//=========== Copyright Valve Corporation, All rights reserved. ===============//
//
// Purpose:
//=============================================================================//
#ifndef PANORAMA_SLIDESHOW_H
#define PANORAMA_SLIDESHOW_H
#ifdef _WIN32
#pragma once
#endif
#include "panorama/controls/panel2d.h"
#include "panorama/controls/mousescroll.h"
namespace panorama
{
DECLARE_PANEL_EVENT1( SlideShowPanelChanged, int );
DECLARE_PANEL_EVENT0( SlideShowOnLayoutInitialized );
//-----------------------------------------------------------------------------
// Purpose: Panel that shows a slideshow of panels
//-----------------------------------------------------------------------------
class CSlideShow : public CPanel2D
{
DECLARE_PANEL2D( CSlideShow, CPanel2D );
public:
CSlideShow( CPanel2D *pParent, const char *pchID );
virtual ~CSlideShow();
void AddPanel( CPanel2D *pPanel, bool bDontSetFocusBySideEffect );
void RemoveAndDeletePanel( CPanel2D *pPanel );
void SetManageFocus( bool bManageFocus ) { m_bManageFocus = bManageFocus; }
void SetFocusIndex( int iFocus, bool bSkipChildCountCheck = false );
int GetFocusIndex() { return m_iFocusChild; }
CPanel2D *GetFocusChild() { return GetChild(m_iFocusChild); }
bool BFocusChildRightMost() { return (m_iFocusChild == (GetChildCount() - 1)); }
virtual bool OnMoveRight( int nRepeats );
virtual bool OnMoveLeft( int nRepeats );
virtual bool OnTabForward( int nRepeats );
virtual bool OnTabBackward( int nRepeats );
virtual void Paint();
virtual void OnLayoutTraverse( float flFinalWidth, float flFinalHeight );
virtual bool OnSetFocusToNextPanel( int nRepeats, EFocusMoveDirection moveType, bool bAllowWrap, float flTabIndexCurrent, float flXPosCurrent, float flYPosCurrent, float flXStart, float fYStart ) OVERRIDE
{
switch( moveType )
{
case k_ENextInTabOrder:
if ( m_bManageFocus && OnTabForward( nRepeats ) )
return true;
break;
case k_ENextByXPosition:
if ( m_bManageFocus && OnMoveRight( nRepeats ) )
return true;
break;
case k_EPrevInTabOrder:
if ( m_bManageFocus && OnTabBackward( nRepeats ) )
return true;
break;
case k_EPrevByXPosition:
if ( m_bManageFocus && OnMoveLeft( nRepeats ) )
return true;
break;
case k_ENextByYPosition:
if ( m_bManageFocus && OnMoveDown( nRepeats ) )
return true;
break;
case k_EPrevByYPosition:
if ( m_bManageFocus && OnMoveUp( nRepeats ) )
return true;
break;
default:
break;
}
return false;
}
virtual panorama::IUIPanel *OnGetDefaultInputFocus() OVERRIDE;
#ifdef DBGFLAG_VALIDATE
virtual void ValidateClientPanel( CValidator &validator, const tchar *pchName ) OVERRIDE;
#endif
protected:
bool EventInputFocusSet( const panorama::CPanelPtr< panorama::IUIPanel > &ptrPanel );
bool EventCarouselMouseScroll( const CPanelPtr< IUIPanel > &ptrPanel, int cRepeat );
bool EventSlideShowOnLayoutInitialized( const CPanelPtr< IUIPanel > &ptrPanel );
virtual void OnInitializedFromLayout();
void SetPanelStyles( int iOldFocus, int iNewFocus );
void LayoutMouseScrollRegions( float flFinalWidth, float flFinalHeight );
private:
virtual void AddDisabledFlagToChildren() OVERRIDE;
virtual void RemoveDisabledFlagFromChildren() OVERRIDE;
void SetIndividualPanelStyle( int iChild, int iOldFocus, int iNewFocus );
void SetMouseScrollVisibility( int iFocus );
int m_iFocusChild;
bool m_bManageFocus;
CMouseScrollRegion *m_pLeftMouseScrollRegion;
CMouseScrollRegion *m_pRightMouseScrollRegion;
};
} // namespace panorama
#endif // PANORAMA_SLIDESHOW_H