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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
00258 IMPORT_C void SetScrollBarVisibilityL(TScrollBarVisibility aHVisibility,
00259 TScrollBarVisibility aVVisibility);
00260
00269 inline TScrollBarVisibility VScrollBarVisibility() const;
00270
00271 #start_since SINCE_3_1_SDK
00272
00278 IMPORT_C void SetScrollBarFrameObserver(MEikScrollBarObserver* aObserver);
00279 #end_since SINCE_3_1_SDK
00280
00281
00282
00290 IMPORT_C TBool Tile(TEikScrollBarModel* aVModel);
00291
00329 IMPORT_C TBool TileL(TEikScrollBarModel* aHModel,
00330 TEikScrollBarModel* aVModel,
00331 TRect& aClientRect,
00332 TRect& aInclusiveRect,
00333 const TEikScrollBarFrameLayout& aLayout);
00334
00345 IMPORT_C void MoveThumbsBy(TInt aDeltaX, TInt aDeltaY);
00346
00355 IMPORT_C void MoveHorizThumbTo(TInt aHorizThumbPos);
00356
00365 IMPORT_C void MoveVertThumbTo(TInt aVertThumbPos);
00366
00375 IMPORT_C void SetVFocusPosToThumbPos(TInt aFocusPosition);
00376
00386 IMPORT_C TInt ScrollBarBreadth(
00387 CEikScrollBar::TOrientation aOrientation) const;
00388
00389
00390
00396 IMPORT_C void SetAdjustsHorizontalModel(TBool aAdjusts);
00397
00403 IMPORT_C void SetAdjustsVerticalModel(TBool aAdjusts);
00404
00410 inline void SetScrollBarFrameFlags(TInt aMask);
00411
00418 IMPORT_C TBool ScrollBarExists(
00419 CEikScrollBar::TOrientation aOrientation) const;
00420
00428 IMPORT_C TInt CountComponentControls() const;
00429
00440 IMPORT_C CCoeControl* ComponentControl(TInt aIndex) const;
00441
00451 IMPORT_C CEikScrollBar* GetScrollBarHandle(
00452 CEikScrollBar::TOrientation aOrientation) const;
00453
00459 IMPORT_C CEikScrollBar* VerticalScrollBar() const;
00460
00467 IMPORT_C void SetTypeOfHScrollBar(TScrollBarType aType);
00468
00475 IMPORT_C void SetTypeOfVScrollBar(TScrollBarType aType);
00476
00482 IMPORT_C TScrollBarType TypeOfHScrollBar() const;
00483
00489 IMPORT_C TScrollBarType TypeOfVScrollBar() const;
00490
00497 IMPORT_C TBool IsArrowHeadScrollBar(TInt aFlag) const;
00498
00499
00500
00507 void DisconnectExternalScrollBar(CEikScrollBar* aScrollBar);
00508
00549 IMPORT_C void CreateDoubleSpanScrollBarsL(TBool aWindowOwning,
00550 TBool aRemote);
00551
00572 IMPORT_C void CreateDoubleSpanScrollBarsL(TBool aWindowOwning,
00573 TBool aRemote,
00574 TBool aVertical,
00575 TBool aHorizontal);
00576
00596 IMPORT_C void Tile(TEikScrollBarModel* aVModel, TRect& aVScrollBar);
00597
00606 IMPORT_C void Tile(TEikScrollBarModel* aHModel,
00607 TEikScrollBarModel* aVModel);
00608
00620 IMPORT_C TScrollBarVisibility ScrollBarVisibility(
00621 CEikScrollBar::TOrientation aOrientation) const;
00622
00623 #start_since SINCE_3_1_SDK
00624
00639 IMPORT_C TInt DrawBackground(TBool aDrawHorizontal, TBool aDrawVertical);
00640
00656 IMPORT_C TInt DrawBackgroundState(TBool& aDrawHorizontal, TBool& aDrawVertical);
00657 #end_since SINCE_3_1_SDK
00658
00659 public:
00660
00666 CEikScrollBar* HorizontalScrollBar() const;
00667
00668
00669 protected:
00670
00671
00677 void SetParentWindow(CCoeControl* aParentWindow);
00678
00684 CCoeControl* ParentWindow() const;
00685
00686 protected:
00687
00689 struct SBarData
00690 {
00691
00693 CAknScrollBar* iBar;
00694
00696 TEikScrollBarModel iModel;
00697
00699 TScrollBarVisibility iVisibility;
00700
00702 TBool iExternalScrollBarAttached;
00703 };
00704
00705 private:
00706
00707 void CalcTheoreticalScrollBarVisibility(const TEikScrollBarModel* aVModel);
00708 void ApplyModel(SBarData& aSBar);
00709 void MakeSBarVisible(SBarData& aSBar, TBool aVisible);
00710 void GetScrollBars(TBool aDoubleSpan);
00711 CEikCba* GetCurrentCba();
00712 void DeleteScrollBars();
00713 void CreateArrowHeadScrollBarsL();
00714
00715 void CalcTheoreticalScrollBarVisibility(const TEikScrollBarModel* aVModel,
00716 const TEikScrollBarModel* aHModel);
00717
00718 protected:
00719
00721 SBarData iV;
00722
00723 private:
00724
00725 CEikScrollBarFrameExtension* iExtension;
00726 TInt iScrollBarFrameFlags;
00727
00728 friend class CEikScrollBarFrameExtension;
00729 };
00730
00731 inline CEikScrollBarFrame::TScrollBarVisibility CEikScrollBarFrame::VScrollBarVisibility() const
00732 { return iV.iVisibility; }
00733 inline void CEikScrollBarFrame::SetScrollBarFrameFlags(TInt aMask)
00734 { iScrollBarFrameFlags|=aMask; }
00735
00736
00737 class CEikCbaScrollBarFrame : public CEikScrollBarFrame
00738 {
00739 public:
00740 CEikCbaScrollBarFrame(CCoeControl* aParentWindow, MEikScrollBarObserver* aObserver, TBool aPreAlloc=EFalse);
00741 void ConstructL();
00742 void SwitchToArrowHeadScrollBarL();
00743 };
00744
00745 #endif
