eikbutb.h

00001 /*
00002 * ============================================================================
00003 *  Name        : eikbutb.h
00004 *  Part of     : EikStd / EikCoCtl
00005 *  Description : Base class for legacy Uikon buttons
00006 *  Version     : %version: 4 %
00007 *
00008 *  Copyright © 2001-2006 Nokia.  All rights reserved.
00009 *  This material, including documentation and any related computer
00010 *  programs, is protected by copyright controlled by Nokia.  All
00011 *  rights are reserved.  Copying, including reproducing, storing,
00012 *  adapting or translating, any or all of this material requires the
00013 *  prior written consent of Nokia.  This material also contains
00014 *  confidential information which may not be disclosed to others
00015 *  without the prior written consent of Nokia.
00016 * ============================================================================
00017 * Template version: 4.1
00018 */
00019 
00020 #if !defined(__EIKBUTB_H__)
00021 #define __EIKBUTB_H__
00022 
00023 #if !defined(__EIKBCTRL_H__)
00024 #include <eikbctrl.h>
00025 #endif
00026 
00027 #if !defined(__UIKON_HRH__)
00028 #include <uikon.hrh>
00029 #endif
00030 
00031 #include <eikon.hrh>
00032 
00033 #include <lafpublc.h>
00034 
00035 class TEikButtonCoordinator;
00036 
00040 enum TButtonBehavior
00041         {
00042         EEikButtonStaysClear=EEikButStaysClear,
00043         EEikButtonStaysSet=EEikButStaysSet,
00044         EEikButtonLatches=EEikButLatches,
00045         EEikButtonReportsOnPointerDown=EEikButReportOnPointerDown
00046         };
00047         
00056 class CEikButtonBase : public CEikBorderedControl
00057         {
00058 public:
00062     IMPORT_C CEikButtonBase();
00063     
00067     IMPORT_C ~CEikButtonBase();
00068     
00069 public:
00070 
00074     enum TState
00075         {
00076         EClear                  =0,
00077         ESet                    =1,
00078         EIndeterminate  =2
00079         };
00080                 
00081 public: // new functions
00087     IMPORT_C TState State() const;
00088     
00094     IMPORT_C void SetState(TState aState);
00095     
00100     IMPORT_C virtual void Animate();
00101     
00107     IMPORT_C void SetCoordinator(TEikButtonCoordinator* aButCoord);
00108     
00114     IMPORT_C void SetBehavior(TButtonBehavior aBehavior);
00115     
00119     IMPORT_C void SetIgnoreNextPointerUp();
00120     
00121 protected:
00125     enum TDrawState
00126         {
00127         EDrawClear                                      =SLafButtonBase::EDrawClear,
00128         EDrawSet                                        =SLafButtonBase::EDrawSet,
00129         EDrawIndeterminate                      =SLafButtonBase::EDrawIndeterminate,
00130         EDrawClearPressed                       =SLafButtonBase::EDrawClearPressed,
00131         EDrawSetPressed                         =SLafButtonBase::EDrawSetPressed,
00132         EDrawIndeterminatePressed       =SLafButtonBase::EDrawIndeterminatePressed
00133         };
00134 
00135 protected: // new functions
00139     IMPORT_C void SetReportOnPointerDown();
00140     
00146     IMPORT_C TDrawState DrawState() const;
00147     
00153     IMPORT_C TBool IsPressed() const;
00154     
00158     IMPORT_C void SetAllowTristate();
00159     
00165     IMPORT_C void CopyDrawStateTo(CEikButtonBase* aTargetButton) const;
00166     
00167 public: // from CCoeControl
00175     IMPORT_C virtual void GetColorUseListL(CArrayFix<TCoeColorUse>& aColorUseList) const;
00176     
00185     IMPORT_C virtual void HandleResourceChange(TInt aType);                     // not available before Release 005u
00186     
00194     IMPORT_C void WriteInternalStateL(RWriteStream& aWriteStream) const;
00195     
00196 private: // from CCoeControl
00197     IMPORT_C void Reserved_2();
00198 
00199 private: // new functions
00203     IMPORT_C virtual void StateChanged();
00204     IMPORT_C virtual void Reserved_3();
00205 
00206 public:
00214     IMPORT_C void HandlePointerEventL(const TPointerEvent& aPointerEvent);
00215     
00225     IMPORT_C TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType);
00226 
00234     IMPORT_C TCoeInputCapabilities InputCapabilities() const; 
00235     
00236 private:
00242     IMPORT_C void* ExtensionInterface( TUid aInterface );
00243     
00244 private: // internal use only
00245     TBool ClickCompleted();
00246 
00247 private:
00248     enum { EIgnoreNextPointerUp=0x1000 };
00249 
00250 protected:
00254     TInt iButFlags;
00255     
00256 private:
00260     TEikButtonCoordinator* iButCoord;
00261     
00262     TInt iSpare[2];
00263     };
00264 
00274 class TEikButtonCoordinator
00275         {
00276 public:
00280     IMPORT_C TEikButtonCoordinator();
00281     
00288     IMPORT_C void SetChosenButton(CEikButtonBase* aChosenButton);               
00289 
00290 private:
00294     CEikButtonBase* iChosenButton;
00295     };           
00296 
00297 // __EIKBUTB_H__
00298 #endif