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00005
00006 #if !defined(__EIKSBFRM_H__)
00007 #define __EIKSBFRM_H__
00008
00009 #include <lafpublc.h>
00010 #if !defined(__AKNSCRLB_H__)
00011 #include <aknscrlb.h>
00012 #endif
00013
00014 class CEikCba;
00015
00019 class TEikScrollBarFrameLayout
00020 {
00021
00022 public:
00023
00028 enum TTilingMode
00029 {
00030
00032 EClientRectConstant,
00033
00035 EInclusiveRectConstant
00036 };
00037
00038 public:
00039
00043 IMPORT_C TEikScrollBarFrameLayout();
00044
00050 IMPORT_C void SetInclusiveMargin(TInt aMargin);
00051
00058 IMPORT_C void SetClientMargin(TInt aMargin);
00059
00060 public:
00061
00063 TMargins iInclusiveMargin;
00064
00069 TMargins iClientMargin;
00070
00075 TSize iClientAreaGranularity;
00076
00081 TTilingMode iTilingMode;
00082 };
00083
00084
00085 class CEikCornerWindow;
00086 class CEikScrollBarFrameExtension;
00087
00099 class CEikScrollBarFrame : public CBase
00100 {
00101
00102 public:
00103
00104 DECLARE_TYPE_ID(0x101F8672)
00105
00106
00107 enum TScrollBarVisibility
00108 {
00110 EOff,
00111
00113 EOn,
00114
00116 EAuto
00117 };
00118
00120 enum TScrollBarType
00121 {
00123 ENormalScrollBar =0x0,
00124
00126 EArrowHead =0x200,
00127
00129 EDoubleSpan =0x400
00130 };
00131
00133 enum TScrollBarSide
00134 {
00139 EBottomOrRight =0x0,
00140
00145 ETopOrLeft =0x800
00146 };
00147
00149 enum TScrollBarManagement
00150 {
00157 EComponent ,
00158
00167 EFloating ,
00168
00174 EApplicationScrollBar
00175 };
00176
00181 enum TScrollBarFrameFlags
00182 {
00184 EHVisible =0x01,
00185
00187 EVVisible =0x02,
00188 };
00189 private:
00190 enum TMarginsAdjustmentMode
00191 {
00192 EGrow,
00193 EShrink
00194 };
00195
00196 public:
00197
00201 CEikScrollBarFrame(){}
00202
00210 IMPORT_C CEikScrollBarFrame(CCoeControl* aParentWindow,
00211 MEikScrollBarObserver* aObserver,
00212 TBool aPreAlloc=EFalse);
00213
00217 IMPORT_C ~CEikScrollBarFrame();
00218
00230 CEikScrollBarFrame(CCoeControl* aParentWindow,
00231 MEikScrollBarObserver* aObserver,
00232 TBool aPreAlloc,
00233 TBool aDoubleSpan);
00234
00242 void InitExtension(CCoeControl* aParentWindow,
00243 MEikScrollBarObserver* aObserver);
00244
00249 IMPORT_C void DrawScrollBarsNow() const;
00250
00254 void DrawScrollBarsDeferred() const;
00255
00263 IMPORT_C void SetScrollBarVisibilityL(TScrollBarVisibility aHVisibility,
00264 TScrollBarVisibility aVVisibility);
00265
00274 inline TScrollBarVisibility VScrollBarVisibility() const;
00275
00281 IMPORT_C void SetScrollBarFrameObserver(MEikScrollBarObserver* aObserver);
00282
00283
00284
00292 IMPORT_C TBool Tile(TEikScrollBarModel* aVModel);
00293
00331 IMPORT_C TBool TileL(TEikScrollBarModel* aHModel,
00332 TEikScrollBarModel* aVModel,
00333 TRect& aClientRect,
00334 TRect& aInclusiveRect,
00335 const TEikScrollBarFrameLayout& aLayout);
00336
00347 IMPORT_C void MoveThumbsBy(TInt aDeltaX, TInt aDeltaY);
00348
00357 IMPORT_C void MoveHorizThumbTo(TInt aHorizThumbPos);
00358
00367 IMPORT_C void MoveVertThumbTo(TInt aVertThumbPos);
00368
00377 IMPORT_C void SetVFocusPosToThumbPos(TInt aFocusPosition);
00378
00388 IMPORT_C TInt ScrollBarBreadth(
00389 CEikScrollBar::TOrientation aOrientation) const;
00390
00391
00392
00398 IMPORT_C void SetAdjustsHorizontalModel(TBool aAdjusts);
00399
00405 IMPORT_C void SetAdjustsVerticalModel(TBool aAdjusts);
00406
00412 inline void SetScrollBarFrameFlags(TInt aMask);
00413
00420 IMPORT_C TBool ScrollBarExists(
00421 CEikScrollBar::TOrientation aOrientation) const;
00422
00430 IMPORT_C TInt CountComponentControls() const;
00431
00442 IMPORT_C CCoeControl* ComponentControl(TInt aIndex) const;
00443
00453 IMPORT_C CEikScrollBar* GetScrollBarHandle(
00454 CEikScrollBar::TOrientation aOrientation) const;
00455
00461 IMPORT_C CEikScrollBar* VerticalScrollBar() const;
00462
00469 IMPORT_C void SetTypeOfHScrollBar(TScrollBarType aType);
00470
00477 IMPORT_C void SetTypeOfVScrollBar(TScrollBarType aType);
00478
00484 IMPORT_C TScrollBarType TypeOfHScrollBar() const;
00485
00491 IMPORT_C TScrollBarType TypeOfVScrollBar() const;
00492
00499 IMPORT_C TBool IsArrowHeadScrollBar(TInt aFlag) const;
00500
00501
00502
00509 void DisconnectExternalScrollBar(CEikScrollBar* aScrollBar);
00510
00551 IMPORT_C void CreateDoubleSpanScrollBarsL(TBool aWindowOwning,
00552 TBool aRemote);
00553
00574 IMPORT_C void CreateDoubleSpanScrollBarsL(TBool aWindowOwning,
00575 TBool aRemote,
00576 TBool aVertical,
00577 TBool aHorizontal);
00578
00598 IMPORT_C void Tile(TEikScrollBarModel* aVModel, TRect& aVScrollBar);
00599
00608 IMPORT_C void Tile(TEikScrollBarModel* aHModel,
00609 TEikScrollBarModel* aVModel);
00610
00622 IMPORT_C TScrollBarVisibility ScrollBarVisibility(
00623 CEikScrollBar::TOrientation aOrientation) const;
00639 IMPORT_C TInt DrawBackground(TBool aDrawHorizontal, TBool aDrawVertical);
00640
00656 IMPORT_C TInt DrawBackgroundState(TBool& aDrawHorizontal, TBool& aDrawVertical);
00657
00658 public:
00659
00665 CEikScrollBar* HorizontalScrollBar() const;
00666
00672 MEikScrollBarObserver* ScrollBarFrameObserver();
00673
00674 protected:
00675
00676
00682 void SetParentWindow(CCoeControl* aParentWindow);
00683
00689 CCoeControl* ParentWindow() const;
00690
00691 protected:
00692
00694 struct SBarData
00695 {
00696
00698 CAknScrollBar* iBar;
00699
00701 TEikScrollBarModel iModel;
00702
00704 TScrollBarVisibility iVisibility;
00705
00707 TBool iExternalScrollBarAttached;
00708 };
00709
00710 private:
00711
00712 void CalcTheoreticalScrollBarVisibility(const TEikScrollBarModel* aVModel);
00713 void ApplyModel(SBarData& aSBar);
00714 void MakeSBarVisible(SBarData& aSBar, TBool aVisible);
00715 void GetScrollBars(TBool aDoubleSpan);
00716 CEikCba* GetCurrentCba();
00717 void DeleteScrollBars();
00718 void CreateArrowHeadScrollBarsL();
00719
00720 void CalcTheoreticalScrollBarVisibility(const TEikScrollBarModel* aVModel,
00721 const TEikScrollBarModel* aHModel);
00722
00723 protected:
00724
00726 SBarData iV;
00727
00728 private:
00729
00730 CEikScrollBarFrameExtension* iExtension;
00731 TInt iScrollBarFrameFlags;
00732
00733 friend class CEikScrollBarFrameExtension;
00734 };
00735
00736 inline CEikScrollBarFrame::TScrollBarVisibility CEikScrollBarFrame::VScrollBarVisibility() const
00737 { return iV.iVisibility; }
00738 inline void CEikScrollBarFrame::SetScrollBarFrameFlags(TInt aMask)
00739 { iScrollBarFrameFlags|=aMask; }
00740
00741
00742 class CEikCbaScrollBarFrame : public CEikScrollBarFrame
00743 {
00744 public:
00745 CEikCbaScrollBarFrame(CCoeControl* aParentWindow, MEikScrollBarObserver* aObserver, TBool aPreAlloc=EFalse);
00746 void ConstructL();
00747 void SwitchToArrowHeadScrollBarL();
00748 };
00749
00750 #endif
