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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _TEXTENG_HXX
#define _TEXTENG_HXX
#include "svtools/svtdllapi.h"
class TextDoc;
class TextView;
class TextPaM;
class TextSelection;
class TextViews;
class TEParaPortions;
class TextAttrib;
class TextCharAttrib;
class TextUndo;
class TextUndoManager;
class SfxUndoManager;
class EditSelFunctionSet;
class EditSelEngine;
class IdleFormatter;
class TextNode;
class OutputDevice;
class SfxUndoAction;
class KeyEvent;
class Timer;
class TextLine;
class TETextPortion;
#include <svl/brdcst.hxx>
#include <tools/link.hxx>
#include <vcl/font.hxx>
#include <tools/string.hxx>
#include <tools/gen.hxx>
#ifndef _COM_SUN_STAR_LOCALE_LOCALE_HPP_
#include <com/sun/star/lang/Locale.hpp>
#endif
#include <com/sun/star/uno/Reference.hxx>
struct TEIMEInfos;
class SvtCTLOptions;
namespace com {
namespace sun {
namespace star {
namespace i18n {
class XBreakIterator;
class XExtendedInputSequenceChecker;
}}}}
class LocaleDataWrapper;
enum TxtAlign { TXTALIGN_LEFT, TXTALIGN_CENTER, TXTALIGN_RIGHT };
class SVT_DLLPUBLIC TextEngine : public SfxBroadcaster
{
friend class TextView;
friend class TextSelFunctionSet;
friend class ExtTextEngine;
friend class ExtTextView;
friend class TextUndo;
friend class TextUndoManager;
friend class TextUndoDelPara;
friend class TextUndoConnectParas;
friend class TextUndoSplitPara;
friend class TextUndoInsertChars;
friend class TextUndoRemoveChars;
friend class TextUndoSetAttribs;
private:
TextDoc* mpDoc;
TEParaPortions* mpTEParaPortions;
OutputDevice* mpRefDev;
TextViews* mpViews;
TextView* mpActiveView;
TextUndoManager* mpUndoManager;
IdleFormatter* mpIdleFormatter;
TEIMEInfos* mpIMEInfos;
::com::sun::star::lang::Locale maLocale;
::com::sun::star::uno::Reference< ::com::sun::star::i18n::XBreakIterator > mxBreakIterator;
Rectangle maInvalidRec;
Range maInvalidRange;
LocaleDataWrapper* mpLocaleDataWrapper;
Font maFont;
Color maTextColor;
USHORT mnCharHeight;
USHORT mnFixCharWidth100;
ULONG mnMaxTextLen;
ULONG mnMaxTextWidth;
ULONG mnCurTextWidth;
ULONG mnCurTextHeight;
ULONG mnDefTab;
TxtAlign meAlign;
BOOL mbIsFormatting : 1; // Semaphore wegen der Hook's
BOOL mbFormatted : 1;
BOOL mbUpdate : 1;
BOOL mbModified : 1;
BOOL mbUndoEnabled : 1;
BOOL mbIsInUndo : 1;
BOOL mbDowning : 1;
BOOL mbRightToLeft : 1;
BOOL mbHasMultiLineParas : 1;
TextEngine( const TextEngine& ) : SfxBroadcaster() {}
TextEngine& operator=( const TextEngine& ) { return *this; }
protected:
void CursorMoved( ULONG nNode );
void TextModified();
void ImpInitDoc();
void ImpRemoveText();
TextPaM ImpDeleteText( const TextSelection& rSel );
TextPaM ImpInsertText( const TextSelection& rSel, sal_Unicode c, BOOL bOverwrite = FALSE );
TextPaM ImpInsertText( const TextSelection& rSel, const String& rText );
TextPaM ImpInsertParaBreak( const TextSelection& rTextSelection, BOOL bKeepEndingAttribs = TRUE );
TextPaM ImpInsertParaBreak( const TextPaM& rPaM, BOOL bKeepEndingAttribs = TRUE );
void ImpRemoveChars( const TextPaM& rPaM, USHORT nChars, SfxUndoAction* pCurUndo = 0 );
TextPaM ImpConnectParagraphs( ULONG nLeft, ULONG nRight );
void ImpRemoveParagraph( ULONG nPara );
void ImpInitWritingDirections( ULONG nPara );
LocaleDataWrapper* ImpGetLocaleDataWrapper();
// to remain compatible in the minor release we copy the above ImpInsertText
// function and add the extra parameter we need but make sure this function
// gets not exported. First and seconf parameter swapped to have a different signatur.
SAL_DLLPRIVATE TextPaM ImpInsertText( sal_Unicode c, const TextSelection& rSel, BOOL bOverwrite = FALSE, BOOL bIsUserInput = sal_False );
// some other new functions needed that must not be exported to remain compatible
SAL_DLLPRIVATE ::com::sun::star::uno::Reference < ::com::sun::star::i18n::XExtendedInputSequenceChecker > GetInputSequenceChecker() const;
SAL_DLLPRIVATE BOOL IsInputSequenceCheckingRequired( sal_Unicode c, const TextSelection& rCurSel ) const;
// Broadcasten bzw. Selektionen anpassen:
void ImpParagraphInserted( ULONG nPara );
void ImpParagraphRemoved( ULONG nPara );
void ImpCharsRemoved( ULONG nPara, USHORT nPos, USHORT nChars );
void ImpCharsInserted( ULONG nPara, USHORT nPos, USHORT nChars );
void ImpFormattingParagraph( ULONG nPara );
void ImpTextHeightChanged();
void ImpTextFormatted();
DECL_LINK( IdleFormatHdl, Timer * );
void CheckIdleFormatter();
void IdleFormatAndUpdate( TextView* pCurView = 0, USHORT nMaxTimerRestarts = 5 );
BOOL CreateLines( ULONG nPara );
void CreateAndInsertEmptyLine( ULONG nPara );
void ImpBreakLine( ULONG nPara, TextLine* pLine, TETextPortion* pPortion, USHORT nPortionStart, long nRemainingWidth );
USHORT SplitTextPortion( ULONG nPara, USHORT nPos );
void CreateTextPortions( ULONG nPara, USHORT nStartPos );
void RecalcTextPortion( ULONG nPara, USHORT nStartPos, short nNewChars );
void SeekCursor( ULONG nNode, USHORT nPos, Font& rFont, OutputDevice* pOutDev );
void FormatDoc();
void FormatFullDoc();
void FormatAndUpdate( TextView* pCurView = 0 );
BOOL IsFormatting() const { return mbIsFormatting; }
void UpdateViews( TextView* pCurView = 0 );
void SetUpdateMode( BOOL bUp, TextView* pCurView, BOOL bForceUpdate );
void ImpPaint( OutputDevice* pOut, const Point& rStartPos, Rectangle const* pPaintArea, TextSelection const* pPaintRange = 0, TextSelection const* pSelection = 0 );
void UpdateSelections();
BOOL IsFormatted() const { return mbFormatted; }
USHORT GetCharPos( ULONG nPara, USHORT nLine, long nDocPosX, BOOL bSmart = FALSE );
Rectangle GetEditCursor( const TextPaM& rPaM, BOOL bSpecial, BOOL bPreferPortionStart = FALSE );
USHORT ImpFindIndex( ULONG nPortion, const Point& rPosInPara, BOOL bSmart );
long ImpGetPortionXOffset( ULONG nPara, TextLine* pLine, USHORT nTextPortion );
long ImpGetXPos( ULONG nPara, TextLine* pLine, USHORT nIndex, BOOL bPreferPortionStart = FALSE );
long ImpGetOutputOffset( ULONG nPara, TextLine* pLine, USHORT nIndex, USHORT nIndex2 );
BYTE ImpGetRightToLeft( ULONG nPara, USHORT nPos, USHORT* pStart = NULL, USHORT* pEnd = NULL );
void ImpInitLayoutMode( OutputDevice* pOutDev, BOOL bDrawingR2LPortion = FALSE );
TxtAlign ImpGetAlign() const;
ULONG CalcTextHeight();
ULONG CalcParaHeight( ULONG nParagraph ) const;
ULONG CalcTextWidth( ULONG nPara );
ULONG CalcTextWidth( ULONG nPara, USHORT nPortionStart, USHORT nPortionLen, const Font* pFont = 0 );
Range GetInvalidYOffsets( ULONG nPortion );
// Fuer Undo/Redo
void InsertContent( TextNode* pNode, ULONG nPara );
TextPaM SplitContent( ULONG nNode, USHORT nSepPos );
TextPaM ConnectContents( ULONG nLeftNode );
// Ans API uebergebene PaM's und Selektionen auf einen gueltigen Bereich einstellen
void ValidateSelection( TextSelection& rSel ) const;
void ValidatePaM( TextPaM& rPaM ) const;
public:
TextEngine();
~TextEngine();
void SetText( const String& rStr );
String GetText( LineEnd aSeparator = LINEEND_LF ) const;
String GetText( const TextSelection& rSel, LineEnd aSeparator = LINEEND_LF ) const;
String GetTextLines( LineEnd aSeparator = LINEEND_LF ) const;
void ReplaceText(const TextSelection& rSel, const String& rText);
ULONG GetTextLen( LineEnd aSeparator = LINEEND_LF ) const;
ULONG GetTextLen( const TextSelection& rSel, LineEnd aSeparator = LINEEND_LF ) const;
void SetFont( const Font& rFont );
const Font& GetFont() const { return maFont; }
void SetDefTab( USHORT nDefTab );
USHORT GetDefTab() const;
void SetLeftMargin( USHORT n );
USHORT GetLeftMargin() const;
void SetUpdateMode( BOOL bUpdate );
BOOL GetUpdateMode() const { return mbUpdate; }
USHORT GetViewCount() const;
TextView* GetView( USHORT nView ) const;
void InsertView( TextView* pTextView );
void RemoveView( TextView* pTextView );
TextView* GetActiveView() const;
void SetActiveView( TextView* pView );
void SetMaxTextLen( ULONG nLen );
ULONG GetMaxTextLen() const { return mnMaxTextLen; }
void SetMaxTextWidth( ULONG nWidth );
ULONG GetMaxTextWidth() const { return mnMaxTextWidth; }
ULONG GetTextHeight() const;
ULONG CalcTextWidth();
USHORT GetCharHeight() const { return mnCharHeight; }
ULONG GetParagraphCount() const;
String GetText( ULONG nParagraph ) const;
USHORT GetTextLen( ULONG nParagraph ) const;
ULONG GetTextHeight( ULONG nParagraph ) const;
USHORT GetLineCount( ULONG nParagraph ) const;
USHORT GetLineLen( ULONG nParagraph, USHORT nLine ) const;
void SetRightToLeft( BOOL bR2L );
BOOL IsRightToLeft() const { return mbRightToLeft; }
BOOL HasUndoManager() const { return mpUndoManager ? TRUE : FALSE; }
SfxUndoManager& GetUndoManager();
void UndoActionStart( USHORT nId );
void UndoActionEnd( USHORT nId );
void InsertUndo( TextUndo* pUndo, BOOL bTryMerge = FALSE );
BOOL IsInUndo() { return mbIsInUndo; }
void SetIsInUndo( BOOL bInUndo ) { mbIsInUndo = bInUndo; }
void ResetUndo();
void EnableUndo( BOOL bEnable );
BOOL IsUndoEnabled() { return mbUndoEnabled; }
void SetModified( BOOL bModified ) { mbModified = bModified; }
BOOL IsModified() const { return mbModified; }
BOOL Read( SvStream& rInput, const TextSelection* pSel = NULL );
BOOL Write( SvStream& rOutput, const TextSelection* pSel = NULL, BOOL bHTML = FALSE );
TextPaM GetPaM( const Point& rDocPos, BOOL bSmart = TRUE );
Rectangle PaMtoEditCursor( const TextPaM& rPaM, BOOL bSpecial = FALSE );
String GetWord( const TextPaM& rCursorPos, TextPaM* pStartOfWord = 0 );
BOOL HasAttrib( USHORT nWhich ) const;
const TextAttrib* FindAttrib( const TextPaM& rPaM, USHORT nWhich ) const;
const TextCharAttrib* FindCharAttrib( const TextPaM& rPaM, USHORT nWhich ) const;
void RemoveAttribs( ULONG nPara, USHORT nWhich, BOOL bIdleFormatAndUpdate );
void RemoveAttrib( ULONG nPara, const TextCharAttrib& rAttrib );
void RemoveAttribs( ULONG nPara, BOOL bIdleFormatAndUpdate = TRUE );
void SetAttrib( const TextAttrib& rAttr, ULONG nPara, USHORT nStart, USHORT nEnd, BOOL bIdleFormatAndUpdate = TRUE );
TxtAlign GetTextAlign() const { return meAlign; }
void SetTextAlign( TxtAlign eAlign );
void Draw( OutputDevice* pDev, const Point& rPos );
void SetLocale( const ::com::sun::star::lang::Locale& rLocale );
::com::sun::star::lang::Locale GetLocale();
::com::sun::star::uno::Reference< ::com::sun::star::i18n::XBreakIterator > GetBreakIterator();
static BOOL DoesKeyChangeText( const KeyEvent& rKeyEvent );
static BOOL DoesKeyMoveCursor( const KeyEvent& rKeyEvent );
static BOOL IsSimpleCharInput( const KeyEvent& rKeyEvent );
};
#endif // _TEXTENG_HXX
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