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public/panorama/controls/slideshow.h

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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