uifw/ganes/inc/HgScrollbar.h
changeset 0 2f259fa3e83a
child 64 85902f042028
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/ganes/inc/HgScrollbar.h	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,133 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:     
+*
+*/
+
+
+#ifndef HGSCROLLBAR_H_
+#define HGSCROLLBAR_H_
+
+
+#include <e32base.h>
+#include <ganes/HgScroller.h>
+
+struct TPointerEvent;
+class TAknsItemID;
+class CWindowGc;
+class CFbsBitmap;
+class CGulIcon;
+class CFont;
+
+class MHgScrollbarObserver;
+
+NONSHARABLE_CLASS( CHgScrollbar ) : public CBase
+    {
+public:
+    static CHgScrollbar* NewL( MHgScrollbarObserver& aObserver );
+    
+    virtual ~CHgScrollbar();
+    
+public:
+
+    void InitScrollBarL(
+            TRect aScrollbarRect,
+            TSize aTotalSize,
+            TSize aViewSize,
+            TBool aLandscapeScrolling );
+    
+    void SetViewPosition( TPoint aPosition );
+    
+    TBool HandlePointerEventL( const TPointerEvent& aEvent );
+
+    void Draw( CWindowGc& aGc );
+
+    const CGulIcon* ScrollbarBg() const;
+    
+    const CGulIcon* ScrollbarHandleBg() const;
+    
+    const CGulIcon* ScrollbarHandle() const;
+    
+    const CGulIcon* ScrollbarBgSelected() const;
+    
+    const CGulIcon* ScrollbarHandleSelected() const;
+    
+    const TRect& ScrollbarRect() const;
+    
+    const TPoint& HandlePosition() const;
+    
+    TBool IsStatic() const;
+    
+    TBool IsDragging() const;
+    
+    TBool Handler() const;
+    
+    void Reset();
+        
+protected:
+    CHgScrollbar( MHgScrollbarObserver& aObserver );
+    
+    void ConstructL();
+    
+private:
+
+    void DrawScrollbar( CWindowGc& aGc );
+
+    TBool HandleScrollBarPointerEvent( const TPointerEvent& aEvent );    
+    
+    void CheckHandlePosition( TBool aReportChange );
+    
+    void InitIconsL( TBool aInitBgIcons );
+    
+    void CreateIconL( CGulIcon*& aIcon, TSize aSize);
+    
+    void DrawIconL( CGulIcon& aIcon,
+            const TAknsItemID& aTop,
+            const TAknsItemID& aMiddle,
+            const TAknsItemID& aBottom );
+
+    void DrawBitmapL( CGulIcon& aIcon,
+            const TAknsItemID& aItem,
+            const TRect& aDestRect );
+
+    void ScaleBitmapL( const TRect& aDestRect,
+            CFbsBitmap* aDest,
+            const CFbsBitmap* aSrc);
+
+private:
+    MHgScrollbarObserver& iObserver;
+    
+    CGulIcon* iScrollbarBg;
+    CGulIcon* iScrollbarHandleBg;
+    CGulIcon* iScrollbarHandle;
+    CGulIcon* iScrollbarBgSelected;
+    CGulIcon* iScrollbarHandleSelected;
+
+    TRect iScrollbarRect;
+    TRect iNaviRect;
+    TPoint iHandlePosition;
+    TPoint iPrevDrag;
+    TSize iTotalSize;
+    TSize iViewSize;
+    TSize iHandleSize;
+    TBool iLandscapeScrolling;
+    TBool iDragging;
+    TBool iHandler;
+    TBool iStatic;
+    
+    TInt iScrollLength;
+    TInt iTotalLength;
+    };
+
+#endif /*HGSCROLLBAR_H_*/