--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/wmlengine/src/Scrolling/inc/ScrollBar.h Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,183 @@
+/*
+* Copyright (c) 2002-2204 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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: Definition of the Browser On-screen scrollbar
+*
+*/
+
+#ifndef SCROLLBAR_H
+#define SCROLLBAR_H
+
+//----------------------------------------------------------------------------
+// INCLUDES
+//----------------------------------------------------------------------------
+#include <coecntrl.h>
+#include <e32std.h>
+
+//----------------------------------------------------------------------------
+// CONSTANTS
+//----------------------------------------------------------------------------
+const TInt KTrackBkgdThickness = 1; // Thickness of the scrollbar track
+
+//----------------------------------------------------------------------------
+// FORWARD DECLARATIONS
+//----------------------------------------------------------------------------
+class CScrollThumb;
+
+//----------------------------------------------------------------------------
+// CLASS DEFINITION
+//----------------------------------------------------------------------------
+
+/**
+* Browser On-screen scrollbar
+*
+* @since Series60_version 2.5
+*/
+class CScrollBar : public CCoeControl
+ {
+ public:
+
+ // Used by scrollbars and its components to detemine the orientation of
+ // a scrollbar
+ enum TOrientation
+ {
+ EVertical,
+ EHorizontal
+ };
+
+ //------------------------------------------------------------------
+ // Constructors and Destructors - Public
+ //------------------------------------------------------------------
+ public:
+
+ /**
+ * Two-phased constructor.
+ */
+ static CScrollBar* NewL(const TOrientation aOrientation,
+ const CCoeControl& aParent);
+ /**
+ * Destructor.
+ */
+ virtual ~CScrollBar();
+
+ //------------------------------------------------------------------
+ // Inherited Member Functions - Public
+ //------------------------------------------------------------------
+ public:
+
+ virtual void Draw(const TRect& aRect) const;
+
+ //------------------------------------------------------------------
+ // Member Functions - Public
+ //------------------------------------------------------------------
+ public:
+
+ /**
+ * Sets the rect for the scroll bar and its background
+ * @since Series60_version 2.5
+ * @param aRect - the rectangle in which the scrollbar is drawn into
+ * @return none
+ */
+ void SetTrackAndBackground(const TRect& aRect);
+
+ //------------------------------------------------------------------
+ // Member Functions - Public - Get/Set
+ //------------------------------------------------------------------
+ public:
+
+ /**
+ * Calls SetRect() on iThumb
+ * @since Series60_version 2.5
+ * @param aRect - the rectangle for the scrollbar thumb
+ * @return none
+ */
+ void SetThumb(const TRect& aRect);
+
+ /**
+ * Sets the orientation of the scrollbar
+ * @since Series60_version 2.5
+ * @param aOrientation - the orientation of the scrollbar
+ * @return none
+ */
+ inline void SetOrientation(const TOrientation aOrientation)
+ { iOrientation = aOrientation; }
+
+ //------------------------------------------------------------------
+ // Constructors and Destructors - Private
+ //------------------------------------------------------------------
+ private:
+
+ /**
+ * C++ default constructor.
+ */
+ CScrollBar(const TOrientation aOrientation);
+
+ /**
+ * Symbian 2nd phase constructor
+ */
+ void ConstructL(const CCoeControl& aParent);
+
+ //------------------------------------------------------------------
+ // Inherited Member Functions - Private
+ //------------------------------------------------------------------
+ private:
+
+ /**
+ * From CCoeControl, CountComponentControls
+ */
+ TInt CountComponentControls() const;
+
+ /**
+ * From CCoeControl, SizeChanged
+ */
+ virtual void SizeChanged();
+
+ /**
+ * From CCoeControl, ComponentControl
+ */
+ CCoeControl* ComponentControl(TInt aIndex) const;
+
+ //------------------------------------------------------------------
+ // Member Functions - Private
+ //------------------------------------------------------------------
+ private:
+
+ /**
+ * Sets the colours of a scrollbar
+ * @since Series60_version 2.5
+ * @param aTrackColour - the colour of the track
+ * @param aTrackBkgdColour - the colour of the track background
+ * @return none
+ */
+ void SetTrackColours(const TRgb aTrackColour, const TRgb aTrackBkgdColour);
+
+ //------------------------------------------------------------------
+ // Member Data - Public
+ //------------------------------------------------------------------
+ public:
+
+ CScrollThumb* iThumb; // Scrollbar Thumb - owned
+
+ //------------------------------------------------------------------
+ // Member Data - Private
+ //------------------------------------------------------------------
+ private:
+ TOrientation iOrientation; // Scrollbar orientation
+
+ TRgb iTrackColour; // track colour (track aka 'shaft')
+ TRgb iTrackBkgdColour; // track background colour (track aka 'shaft')
+
+ TRect iTrackCentre; // the rect of the track shown inside the track shadow
+};
+
+#endif // SCROLLBAR_H