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-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*************************************************************************
- *
- * 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 EditSelFunctionSet;
-class EditSelEngine;
-class IdleFormatter;
-class TextNode;
-class OutputDevice;
-class SfxUndoAction;
-class KeyEvent;
-class Timer;
-
-namespace svl
-{
- class IUndoManager;
-}
-
-class TextLine;
-class TETextPortion;
-#include <svl/brdcst.hxx>
-#include <tools/link.hxx>
-#include <vcl/font.hxx>
-#include <tools/string.hxx>
-#include <tools/gen.hxx>
-
-#include <com/sun/star/lang/Locale.hpp>
-#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;
- sal_uInt16 mnCharHeight;
- sal_uInt16 mnFixCharWidth100;
-
- sal_uLong mnMaxTextLen;
- sal_uLong mnMaxTextWidth;
- sal_uLong mnCurTextWidth;
- sal_uLong mnCurTextHeight;
- sal_uLong mnDefTab;
-
- TxtAlign meAlign;
-
- sal_Bool mbIsFormatting : 1; // Semaphore wegen der Hook's
- sal_Bool mbFormatted : 1;
- sal_Bool mbUpdate : 1;
- sal_Bool mbModified : 1;
- sal_Bool mbUndoEnabled : 1;
- sal_Bool mbIsInUndo : 1;
- sal_Bool mbDowning : 1;
- sal_Bool mbRightToLeft : 1;
- sal_Bool mbHasMultiLineParas : 1;
-
- TextEngine( const TextEngine& ) : SfxBroadcaster() {}
- TextEngine& operator=( const TextEngine& ) { return *this; }
-
-protected:
-
- void CursorMoved( sal_uLong nNode );
- void TextModified();
-
- void ImpInitDoc();
- void ImpRemoveText();
- TextPaM ImpDeleteText( const TextSelection& rSel );
- TextPaM ImpInsertText( const TextSelection& rSel, sal_Unicode c, sal_Bool bOverwrite = sal_False );
- TextPaM ImpInsertText( const TextSelection& rSel, const String& rText );
- TextPaM ImpInsertParaBreak( const TextSelection& rTextSelection, sal_Bool bKeepEndingAttribs = sal_True );
- TextPaM ImpInsertParaBreak( const TextPaM& rPaM, sal_Bool bKeepEndingAttribs = sal_True );
- void ImpRemoveChars( const TextPaM& rPaM, sal_uInt16 nChars, SfxUndoAction* pCurUndo = 0 );
- TextPaM ImpConnectParagraphs( sal_uLong nLeft, sal_uLong nRight );
- void ImpRemoveParagraph( sal_uLong nPara );
- void ImpInitWritingDirections( sal_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, sal_Bool bOverwrite = sal_False, sal_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 sal_Bool IsInputSequenceCheckingRequired( sal_Unicode c, const TextSelection& rCurSel ) const;
-
- // Broadcasten bzw. Selektionen anpassen:
- void ImpParagraphInserted( sal_uLong nPara );
- void ImpParagraphRemoved( sal_uLong nPara );
- void ImpCharsRemoved( sal_uLong nPara, sal_uInt16 nPos, sal_uInt16 nChars );
- void ImpCharsInserted( sal_uLong nPara, sal_uInt16 nPos, sal_uInt16 nChars );
- void ImpFormattingParagraph( sal_uLong nPara );
- void ImpTextHeightChanged();
- void ImpTextFormatted();
-
- DECL_LINK( IdleFormatHdl, Timer * );
- void CheckIdleFormatter();
- void IdleFormatAndUpdate( TextView* pCurView = 0, sal_uInt16 nMaxTimerRestarts = 5 );
-
- sal_Bool CreateLines( sal_uLong nPara );
- void CreateAndInsertEmptyLine( sal_uLong nPara );
- void ImpBreakLine( sal_uLong nPara, TextLine* pLine, TETextPortion* pPortion, sal_uInt16 nPortionStart, long nRemainingWidth );
- sal_uInt16 SplitTextPortion( sal_uLong nPara, sal_uInt16 nPos );
- void CreateTextPortions( sal_uLong nPara, sal_uInt16 nStartPos );
- void RecalcTextPortion( sal_uLong nPara, sal_uInt16 nStartPos, short nNewChars );
- void SeekCursor( sal_uLong nNode, sal_uInt16 nPos, Font& rFont, OutputDevice* pOutDev );
-
- void FormatDoc();
- void FormatFullDoc();
- void FormatAndUpdate( TextView* pCurView = 0 );
- sal_Bool IsFormatting() const { return mbIsFormatting; }
- void UpdateViews( TextView* pCurView = 0 );
-
- void ImpPaint( OutputDevice* pOut, const Point& rStartPos, Rectangle const* pPaintArea, TextSelection const* pPaintRange = 0, TextSelection const* pSelection = 0 );
-
- void UpdateSelections();
-
- sal_Bool IsFormatted() const { return mbFormatted; }
-
- sal_uInt16 GetCharPos( sal_uLong nPara, sal_uInt16 nLine, long nDocPosX, sal_Bool bSmart = sal_False );
- Rectangle GetEditCursor( const TextPaM& rPaM, sal_Bool bSpecial, sal_Bool bPreferPortionStart = sal_False );
- sal_uInt16 ImpFindIndex( sal_uLong nPortion, const Point& rPosInPara, sal_Bool bSmart );
- long ImpGetPortionXOffset( sal_uLong nPara, TextLine* pLine, sal_uInt16 nTextPortion );
- long ImpGetXPos( sal_uLong nPara, TextLine* pLine, sal_uInt16 nIndex, sal_Bool bPreferPortionStart = sal_False );
- long ImpGetOutputOffset( sal_uLong nPara, TextLine* pLine, sal_uInt16 nIndex, sal_uInt16 nIndex2 );
- sal_uInt8 ImpGetRightToLeft( sal_uLong nPara, sal_uInt16 nPos, sal_uInt16* pStart = NULL, sal_uInt16* pEnd = NULL );
- void ImpInitLayoutMode( OutputDevice* pOutDev, sal_Bool bDrawingR2LPortion = sal_False );
- TxtAlign ImpGetAlign() const;
-
- sal_uLong CalcTextHeight();
- sal_uLong CalcParaHeight( sal_uLong nParagraph ) const;
- sal_uLong CalcTextWidth( sal_uLong nPara );
- sal_uLong CalcTextWidth( sal_uLong nPara, sal_uInt16 nPortionStart, sal_uInt16 nPortionLen, const Font* pFont = 0 );
- Range GetInvalidYOffsets( sal_uLong nPortion );
-
- // Fuer Undo/Redo
- void InsertContent( TextNode* pNode, sal_uLong nPara );
- TextPaM SplitContent( sal_uLong nNode, sal_uInt16 nSepPos );
- TextPaM ConnectContents( sal_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);
-
- sal_uLong GetTextLen( LineEnd aSeparator = LINEEND_LF ) const;
- sal_uLong GetTextLen( const TextSelection& rSel, LineEnd aSeparator = LINEEND_LF ) const;
-
- void SetFont( const Font& rFont );
- const Font& GetFont() const { return maFont; }
-
- sal_uInt16 GetDefTab() const;
-
- void SetLeftMargin( sal_uInt16 n );
- sal_uInt16 GetLeftMargin() const;
-
- void SetUpdateMode( sal_Bool bUpdate );
- sal_Bool GetUpdateMode() const { return mbUpdate; }
-
- sal_uInt16 GetViewCount() const;
- TextView* GetView( sal_uInt16 nView ) const;
- void InsertView( TextView* pTextView );
- void RemoveView( TextView* pTextView );
- TextView* GetActiveView() const;
- void SetActiveView( TextView* pView );
-
- void SetMaxTextLen( sal_uLong nLen );
- sal_uLong GetMaxTextLen() const { return mnMaxTextLen; }
-
- void SetMaxTextWidth( sal_uLong nWidth );
- sal_uLong GetMaxTextWidth() const { return mnMaxTextWidth; }
-
- sal_uLong GetTextHeight() const;
- sal_uLong CalcTextWidth();
- sal_uInt16 GetCharHeight() const { return mnCharHeight; }
-
- sal_uLong GetParagraphCount() const;
- String GetText( sal_uLong nParagraph ) const;
- sal_uInt16 GetTextLen( sal_uLong nParagraph ) const;
- sal_uLong GetTextHeight( sal_uLong nParagraph ) const;
-
- sal_uInt16 GetLineCount( sal_uLong nParagraph ) const;
- sal_uInt16 GetLineLen( sal_uLong nParagraph, sal_uInt16 nLine ) const;
-
- void SetRightToLeft( sal_Bool bR2L );
- sal_Bool IsRightToLeft() const { return mbRightToLeft; }
-
- sal_Bool HasUndoManager() const { return mpUndoManager ? sal_True : sal_False; }
- ::svl::IUndoManager&
- GetUndoManager();
- void UndoActionStart( sal_uInt16 nId = 0 );
- void UndoActionEnd();
- void InsertUndo( TextUndo* pUndo, sal_Bool bTryMerge = sal_False );
- sal_Bool IsInUndo() { return mbIsInUndo; }
- void SetIsInUndo( sal_Bool bInUndo ) { mbIsInUndo = bInUndo; }
- void ResetUndo();
-
- void EnableUndo( sal_Bool bEnable );
- sal_Bool IsUndoEnabled() { return mbUndoEnabled; }
-
- void SetModified( sal_Bool bModified ) { mbModified = bModified; }
- sal_Bool IsModified() const { return mbModified; }
-
- sal_Bool Read( SvStream& rInput, const TextSelection* pSel = NULL );
-
- sal_Bool Write( SvStream& rOutput, const TextSelection* pSel = NULL, sal_Bool bHTML = sal_False );
-
- TextPaM GetPaM( const Point& rDocPos, sal_Bool bSmart = sal_True );
- Rectangle PaMtoEditCursor( const TextPaM& rPaM, sal_Bool bSpecial = sal_False );
- String GetWord( const TextPaM& rCursorPos, TextPaM* pStartOfWord = 0 );
-
- sal_Bool HasAttrib( sal_uInt16 nWhich ) const;
- const TextAttrib* FindAttrib( const TextPaM& rPaM, sal_uInt16 nWhich ) const;
- const TextCharAttrib* FindCharAttrib( const TextPaM& rPaM, sal_uInt16 nWhich ) const;
-
- void RemoveAttribs( sal_uLong nPara, sal_uInt16 nWhich, sal_Bool bIdleFormatAndUpdate );
- void RemoveAttrib( sal_uLong nPara, const TextCharAttrib& rAttrib );
- void RemoveAttribs( sal_uLong nPara, sal_Bool bIdleFormatAndUpdate = sal_True );
- void SetAttrib( const TextAttrib& rAttr, sal_uLong nPara, sal_uInt16 nStart, sal_uInt16 nEnd, sal_Bool bIdleFormatAndUpdate = sal_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 sal_Bool DoesKeyChangeText( const KeyEvent& rKeyEvent );
- static sal_Bool IsSimpleCharInput( const KeyEvent& rKeyEvent );
-};
-
-#endif // _TEXTENG_HXX
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-24 11:38:17 +0000