xref: /aoo41x/main/svtools/source/contnr/imivctl.hxx (revision 01aa44aa)

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 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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 *
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#ifndef _IMPICNVW_HXX
#define _IMPICNVW_HXX

#ifndef _VIRDEV_HXX
#include <vcl/virdev.hxx>
#endif
#ifndef _SCRBAR_HXX
#include <vcl/scrbar.hxx>
#endif
#include <vcl/timer.hxx>
#include <vcl/seleng.hxx>
#include <tools/debug.hxx>
#include "svtaccessiblefactory.hxx"

#include <limits.h>

#include <svtools/ivctrl.hxx>
#include <svl/svarray.hxx>

class IcnCursor_Impl;
class SvtIconChoiceCtrl;
class SvxIconChoiceCtrlEntry;
class IcnViewEdit_Impl;
class IcnGridMap_Impl;

///////////////////////////////////////////////////////////////////////////////
//
// some defines
//
#define PAINTFLAG_HOR_CENTERED	0x0001
#define PAINTFLAG_VER_CENTERED	0x0002

#define F_VER_SBARSIZE_WITH_HBAR		0x0001
#define F_HOR_SBARSIZE_WITH_VBAR		0x0002
#define F_PAINTED						0x0004	// sal_True nach erstem Paint
#define F_ADD_MODE						0x0008
#define F_SELECTING_RECT				0x0020
#define F_DOWN_CTRL						0x0080
#define F_DOWN_DESELECT					0x0100
#define F_START_EDITTIMER_IN_MOUSEUP	0x0400
#define F_MOVED_ENTRIES					0x0800
#define F_ENTRYLISTPOS_VALID			0x1000
#define F_CLEARING_SELECTION			0x2000
#define F_ARRANGING						0x4000

// alle Angaben in Pixel
// Abstaende von Fensterraendern
#define LROFFS_WINBORDER			4
#define TBOFFS_WINBORDER			4
// fuer das Bounding-Rectangle
#define LROFFS_BOUND				2
#define TBOFFS_BOUND				2
// Abstand Fokusrechteck - Icon
#define LROFFS_ICON					2
#define TBOFFS_ICON					2
// Abstaende Icon - Text
#define HOR_DIST_BMP_STRING			3
#define VER_DIST_BMP_STRING			3
// Breitenoffset Highlight-Rect bei Text
#define LROFFS_TEXT					2

#define DEFAULT_MAX_VIRT_WIDTH	200
#define DEFAULT_MAX_VIRT_HEIGHT	200

#define VIEWMODE_MASK	(WB_ICON | WB_SMALLICON | WB_DETAILS)

///////////////////////////////////////////////////////////////////////////////
//
//
//
enum IcnViewFieldType
{
	IcnViewFieldTypeDontknow = 0,
	IcnViewFieldTypeImage = 1,
	IcnViewFieldTypeText = 2
};

///////////////////////////////////////////////////////////////////////////////
//
// Data about the focus of entries
//
struct LocalFocus
{
	sal_Bool		bOn;
	Rectangle	aRect;
	Color		aPenColor;

	LocalFocus() { bOn = sal_False; }
};

///////////////////////////////////////////////////////////////////////////////
//
// Entry-List
//
class EntryList_Impl : public List
{
private:

	using List::Replace;

	SvxIconChoiceCtrl_Impl*			_pOwner;

	void 					Removed_Impl( SvxIconChoiceCtrlEntry* pEntry );

public:
							EntryList_Impl(
								SvxIconChoiceCtrl_Impl*,
								sal_uInt16 _nInitSize = 1024,
								sal_uInt16 _nReSize = 1024 );
							EntryList_Impl(
								SvxIconChoiceCtrl_Impl*,
								sal_uInt16 _nBlockSize,
								sal_uInt16 _nInitSize,
								sal_uInt16 _nReSize );
							~EntryList_Impl();

	void 					Clear();
	void 					Insert( SvxIconChoiceCtrlEntry* pEntry, sal_uLong nPos );
	SvxIconChoiceCtrlEntry*			Remove( sal_uLong nPos );
	void					Remove( SvxIconChoiceCtrlEntry* pEntry );
};


///////////////////////////////////////////////////////////////////////////////
//
// Implementation-class of IconChoiceCtrl
//
class SvxIconChoiceCtrl_Impl
{
	friend class IcnCursor_Impl;
	friend class EntryList_Impl;
	friend class IcnGridMap_Impl;

	sal_Bool			bChooseWithCursor;
	EntryList_Impl	aEntries;
	ScrollBar   	aVerSBar;
	ScrollBar   	aHorSBar;
	ScrollBarBox	aScrBarBox;
	Rectangle		aCurSelectionRect;
	SvPtrarr		aSelectedRectList;
	Timer			aEditTimer;  				// fuer Inplace-Editieren
	Timer			aAutoArrangeTimer;
	Timer			aDocRectChangedTimer;
	Timer			aVisRectChangedTimer;
	Timer			aCallSelectHdlTimer;
	Size			aVirtOutputSize;
	Size			aImageSize;
	Size			aDefaultTextSize;
	Size			aOutputSize; // Pixel
	Point			aDDLastEntryPos;
	Point			aDDLastRectPos;
	Point 			aDDPaintOffs;
	Point			aDDStartPos;
	SvtIconChoiceCtrl*		pView;
	IcnCursor_Impl*	pImpCursor;
	IcnGridMap_Impl* pGridMap;
	long			nMaxVirtWidth;	// max. Breite aVirtOutputSize bei ALIGN_TOP
	long			nMaxVirtHeight; // max. Hoehe aVirtOutputSize bei ALIGN_LEFT
	List*			pZOrderList;
	SvPtrarr*		pColumns;
	IcnViewEdit_Impl* pEdit;
	WinBits			nWinBits;
	long			nMaxBoundHeight; 			// Hoehe des hoechsten BoundRects
	sal_uInt16			nFlags;
	sal_uInt16			nCurTextDrawFlags;
	sal_uLong			nUserEventAdjustScrBars;
	sal_uLong			nUserEventShowCursor;
	SvxIconChoiceCtrlEntry*	pCurHighlightFrame;
	sal_Bool			bHighlightFramePressed;
	SvxIconChoiceCtrlEntry*	pHead;						// Eintrag oben links
	SvxIconChoiceCtrlEntry* pCursor;
	SvxIconChoiceCtrlEntry*	pPrevDropTarget;
	SvxIconChoiceCtrlEntry*	pHdlEntry;
	SvxIconChoiceCtrlEntry*	pDDRefEntry;
	VirtualDevice*	pDDDev;
	VirtualDevice*	pDDBufDev;
	VirtualDevice*  pDDTempDev;
	VirtualDevice*	pEntryPaintDev;
	SvxIconChoiceCtrlEntry* pAnchor;					// fuer Selektion
	LocalFocus		aFocus;								// Data for focusrect
    ::svt::AccessibleFactoryAccess aAccFactory;

	List*			pDraggedSelection;
	SvxIconChoiceCtrlEntry*	pCurEditedEntry;
	SvxIconChoiceCtrlTextMode eTextMode;
	SelectionMode	eSelectionMode;
	sal_uLong			nSelectionCount;
	SvxIconChoiceCtrlPositionMode ePositionMode;
	sal_Bool			bBoundRectsDirty;
	sal_Bool			bUpdateMode;
	sal_Bool			bEntryEditingEnabled;
	sal_Bool			bInDragDrop;

	void 			ShowCursor( sal_Bool bShow );

	void			ImpArrange( sal_Bool bKeepPredecessors = sal_False );
	void			AdjustVirtSize( const Rectangle& );
	void			ResetVirtSize();
	void			CheckScrollBars();

					DECL_LINK( ScrollUpDownHdl, ScrollBar * );
					DECL_LINK( ScrollLeftRightHdl, ScrollBar * );
					DECL_LINK( EditTimeoutHdl, Timer* );
					DECL_LINK( UserEventHdl, void* );
					DECL_LINK( EndScrollHdl, void* );
					DECL_LINK( AutoArrangeHdl, void* );
					DECL_LINK( DocRectChangedHdl, void* );
					DECL_LINK( VisRectChangedHdl, void* );
					DECL_LINK( CallSelectHdlHdl, void* );

	void			AdjustScrollBars( sal_Bool bVirtSizeGrowedOnly = sal_False);
	void			PositionScrollBars( long nRealWidth, long nRealHeight );
	long			GetScrollBarPageSize( long nVisibleRange ) const { return ((nVisibleRange*75)/100); }
	long			GetScrollBarLineSize() const { return nMaxBoundHeight / 2; }
	sal_Bool 			HandleScrollCommand( const CommandEvent& rCmd );
	void			ToDocPos( Point& rPosPixel ) { rPosPixel -= pView->GetMapMode().GetOrigin(); }
	void			InitScrollBarBox();
	SvxIconChoiceCtrlEntry*	FindNewCursor();
	void			ToggleSelection( SvxIconChoiceCtrlEntry* );
	void			DeselectAllBut( SvxIconChoiceCtrlEntry*, sal_Bool bPaintSync=sal_False );
	void			Center( SvxIconChoiceCtrlEntry* pEntry ) const;
	void			StopEditTimer() { aEditTimer.Stop(); }
	void			StartEditTimer() { aEditTimer.Start(); }
	void 			ImpHideDDIcon();
	void			CallSelectHandler( SvxIconChoiceCtrlEntry* );
	void			SelectRect(
						SvxIconChoiceCtrlEntry* pEntry1,
						SvxIconChoiceCtrlEntry* pEntry2,
						sal_Bool bAdd = sal_True,
						SvPtrarr* pOtherRects = 0 );

	void			SelectRange(
						SvxIconChoiceCtrlEntry* pStart,
						SvxIconChoiceCtrlEntry* pEnd,
						sal_Bool bAdd = sal_True );

	void			AddSelectedRect( const Rectangle& );
	void			AddSelectedRect(
						SvxIconChoiceCtrlEntry* pEntry1,
						SvxIconChoiceCtrlEntry* pEntry2 );

	void			ClearSelectedRectList();
	void			ClearColumnList();
	Rectangle		CalcMaxTextRect( const SvxIconChoiceCtrlEntry* pEntry ) const;

	void			ClipAtVirtOutRect( Rectangle& rRect ) const;
	void 			AdjustAtGrid( const SvPtrarr& rRow, SvxIconChoiceCtrlEntry* pStart=0 );
	Point			AdjustAtGrid(
						const Rectangle& rCenterRect, // "Schwerpunkt" des Objekts (typ. Bmp-Rect)
						const Rectangle& rBoundRect ) const;
	sal_uLong			GetPredecessorGrid( const Point& rDocPos) const;

	void			InitPredecessors();
	void			ClearPredecessors();

	sal_Bool			CheckVerScrollBar();
	sal_Bool			CheckHorScrollBar();
	void 			CancelUserEvents();
	void			EntrySelected( SvxIconChoiceCtrlEntry* pEntry, sal_Bool bSelect,
						sal_Bool bSyncPaint );
	void			SaveSelection( List** );
	void			RepaintEntries( sal_uInt16 nEntryFlagsMask );
	void			SetListPositions();
	void			SetDefaultTextSize();
	sal_Bool			IsAutoArrange() const {
						return (sal_Bool)(ePositionMode == IcnViewPositionModeAutoArrange); }
	sal_Bool			IsAutoAdjust() const {
						return (sal_Bool)(ePositionMode == IcnViewPositionModeAutoAdjust); }
	void			DocRectChanged() { aDocRectChangedTimer.Start(); }
	void			VisRectChanged() { aVisRectChangedTimer.Start(); }
	void			SetOrigin( const Point&, sal_Bool bDoNotUpdateWallpaper = sal_False );

					DECL_LINK( TextEditEndedHdl, IcnViewEdit_Impl* );

	void ShowFocus ( Rectangle& rRect );
	void HideFocus ();
	void DrawFocusRect ( OutputDevice* pOut );

	sal_Bool			IsMnemonicChar( sal_Unicode cChar, sal_uLong& rPos ) const;

public:

	long			nGridDX,
					nGridDY;
	long			nHorSBarHeight,
					nVerSBarWidth;

					SvxIconChoiceCtrl_Impl( SvtIconChoiceCtrl* pView, WinBits nWinStyle );
					~SvxIconChoiceCtrl_Impl();

	sal_Bool			SetChoiceWithCursor ( sal_Bool bDo = sal_True ) { sal_Bool bOld=bChooseWithCursor; bChooseWithCursor = bDo; return bOld; }
	void 			Clear( sal_Bool bInCtor = sal_False );
	void 			SetStyle( WinBits nWinStyle );
	WinBits			GetStyle() const { return nWinBits; }
	void 			InsertEntry( SvxIconChoiceCtrlEntry*, sal_uLong nPos, const Point* pPos=0 );
	void			CreateAutoMnemonics( MnemonicGenerator* _pGenerator = NULL );
	void 			RemoveEntry( SvxIconChoiceCtrlEntry* pEntry );
	void 			FontModified();
	void			SelectAll( sal_Bool bSelect = sal_True, sal_Bool bPaint = sal_True );
	void 			SelectEntry(
						SvxIconChoiceCtrlEntry*,
						sal_Bool bSelect,
						sal_Bool bCallHdl = sal_True,
						sal_Bool bAddToSelection = sal_False,
						sal_Bool bSyncPaint = sal_False );
	void 			Paint( const Rectangle& rRect );
	sal_Bool 			MouseButtonDown( const MouseEvent& );
	sal_Bool 			MouseButtonUp( const MouseEvent& );
	sal_Bool 			MouseMove( const MouseEvent&);
	sal_Bool 			RequestHelp( const HelpEvent& rHEvt );
	void 			SetCursor_Impl(
						SvxIconChoiceCtrlEntry* pOldCursor,
						SvxIconChoiceCtrlEntry* pNewCursor,
						sal_Bool bMod1,
						sal_Bool bShift,
						sal_Bool bPaintSync = sal_False);
	sal_Bool 			KeyInput( const KeyEvent& );
	void 			Resize();
	void 			GetFocus();
	void 			LoseFocus();
	void 			SetUpdateMode( sal_Bool bUpdate );
	sal_Bool			GetUpdateMode() const { return bUpdateMode; }
	void 			PaintEntry( SvxIconChoiceCtrlEntry* pEntry, sal_Bool bIsBackgroundPainted=sal_False );
	void 			PaintEntry(
						SvxIconChoiceCtrlEntry*,
						const Point&,
						OutputDevice* pOut = 0,
						sal_Bool bIsBackgroundPainted = sal_False);
	void 			PaintEntryVirtOutDev( SvxIconChoiceCtrlEntry* );

	void 			SetEntryPos(
						SvxIconChoiceCtrlEntry* pEntry,
						const Point& rPos,
						sal_Bool bAdjustRow = sal_False,
						sal_Bool bCheckScrollBars = sal_False,
						sal_Bool bKeepGridMap = sal_False );

	void 			InvalidateEntry( SvxIconChoiceCtrlEntry* );
	IcnViewFieldType 	GetItem( SvxIconChoiceCtrlEntry*, const Point& rAbsPos );

	void 			SetNoSelection();

	SvxIconChoiceCtrlEntry* GetCurEntry() const { return pCursor; }
	void 			SetCursor(
						SvxIconChoiceCtrlEntry*,
						// sal_True == bei Single-Selection die Sel. mitfuehren
						sal_Bool bSyncSingleSelection = sal_True,
						sal_Bool bShowFocusAsync = sal_False );

	SvxIconChoiceCtrlEntry* GetEntry( const Point& rDocPos, sal_Bool bHit = sal_False );
	SvxIconChoiceCtrlEntry*	GetNextEntry( const Point& rDocPos, SvxIconChoiceCtrlEntry* pCurEntry );
	SvxIconChoiceCtrlEntry*	GetPrevEntry( const Point& rDocPos, SvxIconChoiceCtrlEntry* pCurEntry  );

	Point 			GetEntryPos( SvxIconChoiceCtrlEntry* );
	void 			MakeEntryVisible( SvxIconChoiceCtrlEntry* pEntry, sal_Bool bBound = sal_True );

	void			Arrange(sal_Bool bKeepPredecessors = sal_False, long nSetMaxVirtWidth =0, long nSetMaxVirtHeight =0 );

	Rectangle		CalcFocusRect( SvxIconChoiceCtrlEntry* );
	Rectangle		CalcBmpRect( SvxIconChoiceCtrlEntry*, const Point* pPos = 0 );
	Rectangle		CalcTextRect(
						SvxIconChoiceCtrlEntry*,
						const Point* pPos = 0,
						sal_Bool bForInplaceEdit = sal_False,
						const String* pStr = 0 );

	long			CalcBoundingWidth( SvxIconChoiceCtrlEntry* ) const;
	long			CalcBoundingHeight( SvxIconChoiceCtrlEntry* ) const;
	Size			CalcBoundingSize( SvxIconChoiceCtrlEntry* ) const;
	void			FindBoundingRect( SvxIconChoiceCtrlEntry* pEntry );
	void 			SetBoundingRect_Impl(
						SvxIconChoiceCtrlEntry* pEntry,
						const Point& rPos,
						const Size& rBoundingSize );
	// berechnet alle BoundRects neu
	void			RecalcAllBoundingRects();
	// berechnet alle ungueltigen BoundRects neu
	void			RecalcAllBoundingRectsSmart();
	const Rectangle&  GetEntryBoundRect( SvxIconChoiceCtrlEntry* );
	void			InvalidateBoundingRect( SvxIconChoiceCtrlEntry* );
	void			InvalidateBoundingRect( Rectangle& rRect ) { rRect.Right() = LONG_MAX; bBoundRectsDirty = sal_True; }
	sal_Bool			IsBoundingRectValid( const Rectangle& rRect ) const { return (sal_Bool)( rRect.Right() != LONG_MAX ); }

	void 			PaintEmphasis(
						const Rectangle& rRect1,
						const Rectangle& rRect2,
						sal_Bool bSelected,
						sal_Bool bDropTarget,
						sal_Bool bCursored,
						OutputDevice* pOut,
						sal_Bool bIsBackgroundPainted = sal_False);

	void 			PaintItem(
						const Rectangle& rRect,
						IcnViewFieldType eItem,
						SvxIconChoiceCtrlEntry* pEntry,
						sal_uInt16 nPaintFlags,
						OutputDevice* pOut,
						const String* pStr = 0,
						::vcl::ControlLayoutData* _pLayoutData = NULL );

	// berechnet alle BoundingRects neu, wenn bMustRecalcBoundingRects == sal_True
	void			CheckBoundingRects() { if (bBoundRectsDirty) RecalcAllBoundingRectsSmart(); }
	// berechnet alle invalidierten BoundingRects neu
	void			UpdateBoundingRects();
	void			ShowTargetEmphasis( SvxIconChoiceCtrlEntry* pEntry, sal_Bool bShow );
	void			PrepareCommandEvent( const CommandEvent& );
	void			Command( const CommandEvent& rCEvt );
	void			ToTop( SvxIconChoiceCtrlEntry* );

	sal_uLong			GetSelectionCount() const;
	void			SetGrid( const Size& );
	Size 			GetMinGrid() const;
	sal_uLong			GetGridCount(
						const Size& rSize,
						sal_Bool bCheckScrBars,
						sal_Bool bSmartScrBar ) const;
	void			Scroll( long nDeltaX, long nDeltaY, sal_Bool bScrollBar = sal_False );
	const Size&		GetItemSize( SvxIconChoiceCtrlEntry*, IcnViewFieldType ) const;

	void 			HideDDIcon();
	void 			ShowDDIcon( SvxIconChoiceCtrlEntry* pRefEntry, const Point& rPos );
	void			HideShowDDIcon(
						SvxIconChoiceCtrlEntry* pRefEntry,
						const Point& rPos );

	sal_Bool			IsOver(
						SvPtrarr* pSelectedRectList,
						const Rectangle& rEntryBoundRect ) const;

	void			SelectRect(
						const Rectangle&,
						sal_Bool bAdd = sal_True,
						SvPtrarr* pOtherRects = 0 );

	void			CalcScrollOffsets(
						const Point& rRefPosPixel,
						long& rX,
						long& rY,
						sal_Bool bDragDrop = sal_False,
						sal_uInt16 nBorderWidth = 10 );

	sal_Bool			IsTextHit( SvxIconChoiceCtrlEntry* pEntry, const Point& rDocPos );
	void			MakeVisible(
						const Rectangle& rDocPos,
						sal_Bool bInScrollBarEvent=sal_False,
						sal_Bool bCallRectChangedHdl = sal_True );

	void			AdjustEntryAtGrid( SvxIconChoiceCtrlEntry* pStart = 0 );
	void			SetEntryTextMode( SvxIconChoiceCtrlTextMode, SvxIconChoiceCtrlEntry* pEntry = 0 );
	SvxIconChoiceCtrlTextMode GetTextMode( const SvxIconChoiceCtrlEntry* pEntry = 0 ) const;
	void			ShowEntryFocusRect( const SvxIconChoiceCtrlEntry* pEntry );
	void			EnableEntryEditing( sal_Bool bEnable ) { bEntryEditingEnabled = bEnable; }
	sal_Bool			IsEntryEditingEnabled() const { return bEntryEditingEnabled; }
	sal_Bool 			IsEntryEditing() const { return (sal_Bool)(pCurEditedEntry!=0); }
	void			EditEntry( SvxIconChoiceCtrlEntry* pEntry );
	void			StopEntryEditing( sal_Bool bCancel );
	void			LockEntryPos( SvxIconChoiceCtrlEntry* pEntry, sal_Bool bLock );
	sal_uLong			GetEntryCount() const { return aEntries.Count(); }
	SvxIconChoiceCtrlEntry*	GetEntry( sal_uLong nPos ) const { return (SvxIconChoiceCtrlEntry*)aEntries.GetObject(nPos); }
	SvxIconChoiceCtrlEntry*	GetFirstSelectedEntry( sal_uLong& ) const;
	SvxIconChoiceCtrlEntry*	GetNextSelectedEntry( sal_uLong& ) const;
	SvxIconChoiceCtrlEntry* GetHdlEntry() const { return pHdlEntry; }
	void 			SetHdlEntry( SvxIconChoiceCtrlEntry* pEntry ) { pHdlEntry = pEntry; }

	SvxIconChoiceCtrlTextMode GetEntryTextModeSmart( const SvxIconChoiceCtrlEntry* pEntry ) const;
	void			SetSelectionMode( SelectionMode eMode ) { eSelectionMode=eMode; }
	SelectionMode	GetSelectionMode() const { return eSelectionMode; }
	sal_Bool			AreEntriesMoved() const { return (sal_Bool)((nFlags & F_MOVED_ENTRIES)!=0); }
	void			SetEntriesMoved( sal_Bool bMoved )
					{
						if( bMoved ) nFlags |= F_MOVED_ENTRIES;
						else nFlags &= ~(F_MOVED_ENTRIES);
					}
	sal_uLong			GetEntryListPos( SvxIconChoiceCtrlEntry* ) const;
	void 			SetEntryListPos( SvxIconChoiceCtrlEntry* pEntry, sal_uLong nNewPos );
	void			SetEntryImageSize( const Size& rSize ) { aImageSize = rSize; }
	void			SetEntryFlags( SvxIconChoiceCtrlEntry* pEntry, sal_uInt16 nFlags );
	SvxIconChoiceCtrlEntry* GoLeftRight( SvxIconChoiceCtrlEntry*, sal_Bool bRight );
	SvxIconChoiceCtrlEntry* GoUpDown( SvxIconChoiceCtrlEntry*, sal_Bool bDown );
	void 			InitSettings();
	Rectangle		GetOutputRect() const;

	sal_Bool			ArePredecessorsSet() const { return (sal_Bool)(pHead != 0); }
	SvxIconChoiceCtrlEntry* GetPredecessorHead() const { return pHead; }
	void			SetEntryPredecessor(SvxIconChoiceCtrlEntry* pEntry,SvxIconChoiceCtrlEntry* pPredecessor);
	sal_Bool			GetEntryPredecessor(SvxIconChoiceCtrlEntry* pEntry,SvxIconChoiceCtrlEntry** ppPredecessor);
	// liefert gueltige Ergebnisse nur im AutoArrange-Modus!
	SvxIconChoiceCtrlEntry*	FindEntryPredecessor( SvxIconChoiceCtrlEntry* pEntry, const Point& );

	void			SetPositionMode( SvxIconChoiceCtrlPositionMode );
	SvxIconChoiceCtrlPositionMode GetPositionMode() const { return ePositionMode;}

	void			Flush();
	void			SetColumn( sal_uInt16 nIndex, const SvxIconChoiceCtrlColumnInfo& );
	const SvxIconChoiceCtrlColumnInfo* GetColumn( sal_uInt16 nIndex ) const;
	const SvxIconChoiceCtrlColumnInfo* GetItemColumn( sal_uInt16 nSubItem, long& rLeft ) const;

	Rectangle 		GetDocumentRect() const { return Rectangle( Point(), aVirtOutputSize ); }
	Rectangle		GetVisibleRect() const { return GetOutputRect(); }

	void			SetEntryHighlightFrame( SvxIconChoiceCtrlEntry* pEntry,sal_Bool bKeepHighlightFlags=sal_False );
	void			HideEntryHighlightFrame();
	void 			DrawHighlightFrame( OutputDevice* pOut,
						const Rectangle& rBmpRect, sal_Bool bHide );
	void			StopSelectTimer() { aCallSelectHdlTimer.Stop(); }
	void 			Tracking( const TrackingEvent& rTEvt );
	Point			GetPopupMenuPosPixel() const;

	sal_Bool			HandleShortCutKey( const KeyEvent& rKeyEvent );

	void			CallEventListeners( sal_uLong nEvent, void* pData = NULL );

    inline ::svt::IAccessibleFactory&
        GetAccessibleFactory() { return aAccFactory.getFactory(); }
};

// ----------------------------------------------------------------------------------------------

class IcnCursor_Impl
{
	SvxIconChoiceCtrl_Impl*	pView;
	SvPtrarr* 		pColumns;
	SvPtrarr* 		pRows;
	long			nCols;
	long			nRows;
	short 			nDeltaWidth;
	short 			nDeltaHeight;
	SvxIconChoiceCtrlEntry* pCurEntry;
	void 			SetDeltas();
	void 			ImplCreate();
	void 			Create() {	if( !pColumns )	ImplCreate(); }

	sal_uInt16 			GetSortListPos( SvPtrarr* pList, long nValue, int bVertical);
	SvxIconChoiceCtrlEntry* SearchCol(sal_uInt16 nCol,sal_uInt16 nTop,sal_uInt16 nBottom,sal_uInt16 nPref,
						sal_Bool bDown, sal_Bool bSimple );

	SvxIconChoiceCtrlEntry* SearchRow(sal_uInt16 nRow,sal_uInt16 nRight,sal_uInt16 nLeft,sal_uInt16 nPref,
						sal_Bool bRight, sal_Bool bSimple );

public:
					IcnCursor_Impl( SvxIconChoiceCtrl_Impl* pOwner );
					~IcnCursor_Impl();
	void 			Clear();

	// fuer Cursortravelling usw.
	SvxIconChoiceCtrlEntry* GoLeftRight( SvxIconChoiceCtrlEntry*, sal_Bool bRight );
	SvxIconChoiceCtrlEntry* GoUpDown( SvxIconChoiceCtrlEntry*, sal_Bool bDown );
	SvxIconChoiceCtrlEntry* GoPageUpDown( SvxIconChoiceCtrlEntry*, sal_Bool bDown );

	// Erzeugt fuer jede Zeile (Hoehe=nGridDY) eine nach BoundRect.Left()
	// sortierte Liste der Eintraege, die in ihr stehen. Eine Liste kann
	// leer sein. Die Listen gehen in das Eigentum des Rufenden ueber und
	// muessen mit DestroyGridAdjustData geloescht werden
	void			CreateGridAjustData( SvPtrarr& pLists, SvxIconChoiceCtrlEntry* pRow=0);
	static void 	DestroyGridAdjustData( SvPtrarr& rLists );
};

// ----------------------------------------------------------------------------------------------

typedef sal_uLong GridId;

#define GRID_NOT_FOUND	((GridId)ULONG_MAX)

class IcnGridMap_Impl
{
	Rectangle		_aLastOccupiedGrid;
	SvxIconChoiceCtrl_Impl*	_pView;
	sal_Bool*			_pGridMap;
	sal_uInt16			_nGridCols, _nGridRows;

	void			Expand();
	void			Create_Impl();
	void			Create() { if(!_pGridMap) Create_Impl(); }

	void			GetMinMapSize( sal_uInt16& rDX, sal_uInt16& rDY ) const;

public:
					IcnGridMap_Impl(SvxIconChoiceCtrl_Impl*	pView);
					~IcnGridMap_Impl();

	void			Clear();

	GridId	 		GetGrid( const Point& rDocPos, sal_Bool* pbClipped = 0 );
	GridId			GetGrid( sal_uInt16 nGridX, sal_uInt16 nGridY );
	GridId			GetUnoccupiedGrid( sal_Bool bOccupyFound=sal_True );

	void			OccupyGrids( const Rectangle&, sal_Bool bOccupy = sal_True );
	void			OccupyGrids( const SvxIconChoiceCtrlEntry*, sal_Bool bOccupy = sal_True );
	void			OccupyGrid( GridId nId, sal_Bool bOccupy = sal_True )
					{
						DBG_ASSERT(!_pGridMap || nId<(sal_uLong)(_nGridCols*_nGridRows),"OccupyGrid: Bad GridId");
						if(_pGridMap && nId < (sal_uLong)(_nGridCols *_nGridRows) )
							_pGridMap[ nId ] = bOccupy;
					}

	Rectangle		GetGridRect( GridId );
	void			GetGridCoord( GridId, sal_uInt16& rGridX, sal_uInt16& rGridY );
	static sal_uLong 	GetGridCount( const Size& rSizePixel, sal_uInt16 nGridWidth, sal_uInt16 nGridHeight );

	void			OutputSizeChanged();
};





#endif