aknscbut.h

00001 /*
00002 * ==============================================================================
00003 *  Name        : Aknscbut.h
00004 *  Part of     : Avkon
00005 *  Interface   : ?Interface_category, ?Interface_name
00006 *  Description : ?Description
00007 *  Version     : ?Version
00008 *
00009 *  Copyright © 2002-2004 Nokia. All rights reserved.
00010 *  This material, including documentation and any related 
00011 *  computer programs, is protected by copyright controlled by 
00012 *  Nokia. All rights are reserved. Copying, including 
00013 *  reproducing, storing, adapting or translating, any 
00014 *  or all of this material requires the prior written consent of 
00015 *  Nokia. This material also contains confidential 
00016 *  information which may not be disclosed to others without the 
00017 *  prior written consent of Nokia.
00018 * ==============================================================================
00019 */
00020 
00021 
00022 
00023 #if !defined(__AKNSCBUT_H__)
00024 #define __AKNSCBUT_H__
00025 
00026 //  INCLUDES
00027 #include <AknControl.h>
00028 
00029 // FORWARD DECLARATIONS
00030 
00031 class CAknScrollIndicator;
00032 
00038 NONSHARABLE_CLASS(CAknScrollButton) : public CAknControl
00039         {
00040 public:
00044         enum TType
00045                 {
00047                 ENudgeLeft,
00049                 ENudgeUp, 
00051                 ENudgeRight,
00053                 ENudgeDown,
00055                 EPageLeft, 
00057                 EPageUp, 
00059                 EPageRight,
00061                 EPageDown, 
00063                 EHome,
00065                 ETop,
00067                 EEnd,
00069                 EBottom 
00070                 };
00071 
00072 public:
00076         enum TTypeOfScrollBar
00077                 {
00079                 ENormal         =0x00,
00081                 EArrowHead      =0x01 
00082                 };
00083 
00084 public: // class specific functions
00085 
00091         IMPORT_C static CAknScrollButton* NewL(TType aType);
00092         
00096         IMPORT_C ~CAknScrollButton();
00097         
00102         IMPORT_C TType Type() const;
00103         
00109         IMPORT_C void CreateWindowOnlyForArrowsL(const CCoeControl* aParent);
00110         
00116         IMPORT_C TBool IsNormalScrollBarUsingButton() const;
00117         
00122         IMPORT_C void SetTypeOfScrollBarUsingButton(TTypeOfScrollBar aTypeOfScrollBar);
00123         
00129         IMPORT_C void SetPosition(const TInt aFocusPosition, const TInt aScrollSpan);
00130         
00138         IMPORT_C static CAknScrollButton* NewL(TType aType, TTypeOfScrollBar aTypeOfScrollBar);
00139         
00140         void SetContainerWindowL( const CCoeControl& aControl );
00141         TInt CountComponentControls() const;
00142         CCoeControl* ComponentControl( TInt aIndex ) const;
00143         
00144 private: // class specific functions
00145         CAknScrollButton(TType aType);
00146         void ConstructL();
00147         void SizeChanged();
00148         void DrawIndicator() const;
00149         void ConstructL(TTypeOfScrollBar aTypeOfScrollBar);
00150 private: // from CCoeControl
00151         virtual void Draw(const TRect& aRect) const;
00152 private:
00153         friend class CAknScrollBar;
00154         TType iType;
00155         TInt iFlag;
00156         CAknScrollIndicator* iScrollIndicator;
00157         TRect iOldRect;
00158         };
00159 
00160 
00161 #endif