forked from amazingfate/loongoffice
d4758e6f69
and coverity#706085 Unintended sign extension Change-Id: I4bb617cd6927542dfef6dea89c5417ec4f9ed495
326 lines
14 KiB
C++
326 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_VCL_TEXTENG_HXX
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#define INCLUDED_VCL_TEXTENG_HXX
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#include <vcl/dllapi.h>
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class TextDoc;
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class TextView;
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class TextPaM;
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class TextSelection;
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class TEParaPortions;
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class TextAttrib;
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class TextCharAttrib;
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class TextUndo;
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class TextUndoManager;
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class EditSelFunctionSet;
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class IdleFormatter;
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class TextNode;
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class OutputDevice;
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class SfxUndoAction;
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class KeyEvent;
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class Timer;
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namespace svl
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{
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class IUndoManager;
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}
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class TextLine;
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class TETextPortion;
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#include <rtl/ustring.hxx>
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#include <svl/SfxBroadcaster.hxx>
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#include <tools/lineend.hxx>
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#include <tools/link.hxx>
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#include <tools/gen.hxx>
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#include <vcl/font.hxx>
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#include <com/sun/star/lang/Locale.hpp>
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#include <com/sun/star/uno/Reference.hxx>
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struct TEIMEInfos;
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class SvtCTLOptions;
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namespace com {
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namespace sun {
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namespace star {
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namespace i18n {
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class XBreakIterator;
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class XExtendedInputSequenceChecker;
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}}}}
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class LocaleDataWrapper;
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enum TxtAlign { TXTALIGN_LEFT, TXTALIGN_CENTER, TXTALIGN_RIGHT };
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typedef std::vector<TextView*> TextViews;
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class VCL_DLLPUBLIC TextEngine : public SfxBroadcaster
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{
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friend class TextView;
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friend class TextSelFunctionSet;
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friend class ExtTextEngine;
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friend class ExtTextView;
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friend class TextUndo;
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friend class TextUndoManager;
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friend class TextUndoDelPara;
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friend class TextUndoConnectParas;
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friend class TextUndoSplitPara;
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friend class TextUndoInsertChars;
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friend class TextUndoRemoveChars;
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friend class TextUndoSetAttribs;
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private:
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TextDoc* mpDoc;
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TEParaPortions* mpTEParaPortions;
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OutputDevice* mpRefDev;
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TextViews* mpViews;
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TextView* mpActiveView;
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TextUndoManager* mpUndoManager;
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IdleFormatter* mpIdleFormatter;
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TEIMEInfos* mpIMEInfos;
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::com::sun::star::lang::Locale maLocale;
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::com::sun::star::uno::Reference< ::com::sun::star::i18n::XBreakIterator > mxBreakIterator;
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css::uno::Reference < css::i18n::XExtendedInputSequenceChecker > mxISC;
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Rectangle maInvalidRect;
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Range maInvalidRange;
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LocaleDataWrapper* mpLocaleDataWrapper;
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Font maFont;
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Color maTextColor;
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long mnCharHeight;
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sal_uInt16 mnFixCharWidth100;
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sal_uLong mnMaxTextLen;
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sal_uLong mnMaxTextWidth;
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sal_uLong mnCurTextWidth;
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sal_uLong mnCurTextHeight;
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sal_uLong mnDefTab;
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TxtAlign meAlign;
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bool mbIsFormatting : 1; // semaphore for the Hook's
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bool mbFormatted : 1;
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bool mbUpdate : 1;
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bool mbModified : 1;
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bool mbUndoEnabled : 1;
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bool mbIsInUndo : 1;
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bool mbDowning : 1;
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bool mbRightToLeft : 1;
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bool mbHasMultiLineParas : 1;
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TextEngine( const TextEngine& ) : SfxBroadcaster() {}
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TextEngine& operator=( const TextEngine& ) { return *this; }
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protected:
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void CursorMoved( sal_uLong nNode );
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void TextModified();
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void ImpInitDoc();
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void ImpRemoveText();
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TextPaM ImpDeleteText( const TextSelection& rSel );
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TextPaM ImpInsertText( const TextSelection& rSel, sal_Unicode c, bool bOverwrite = false );
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TextPaM ImpInsertText( const TextSelection& rSel, const OUString& rText );
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TextPaM ImpInsertParaBreak( const TextSelection& rTextSelection, bool bKeepEndingAttribs = true );
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TextPaM ImpInsertParaBreak( const TextPaM& rPaM, bool bKeepEndingAttribs = true );
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void ImpRemoveChars( const TextPaM& rPaM, sal_uInt16 nChars, SfxUndoAction* pCurUndo = 0 );
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TextPaM ImpConnectParagraphs( sal_uLong nLeft, sal_uLong nRight );
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void ImpRemoveParagraph( sal_uLong nPara );
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void ImpInitWritingDirections( sal_uLong nPara );
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LocaleDataWrapper* ImpGetLocaleDataWrapper();
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// to remain compatible in the minor release we copy the above ImpInsertText
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// function and add the extra parameter we need but make sure this function
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// gets not exported. First and seconf parameter swapped to have a different signatur.
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SAL_DLLPRIVATE TextPaM ImpInsertText( sal_Unicode c, const TextSelection& rSel, bool bOverwrite = false, bool bIsUserInput = false );
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// some other new functions needed that must not be exported to remain compatible
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SAL_DLLPRIVATE ::com::sun::star::uno::Reference < ::com::sun::star::i18n::XExtendedInputSequenceChecker > GetInputSequenceChecker();
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SAL_DLLPRIVATE bool IsInputSequenceCheckingRequired( sal_Unicode c, const TextSelection& rCurSel ) const;
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// broadcast or adjust selections
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void ImpParagraphInserted( sal_uLong nPara );
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void ImpParagraphRemoved( sal_uLong nPara );
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void ImpCharsRemoved( sal_uLong nPara, sal_uInt16 nPos, sal_uInt16 nChars );
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void ImpCharsInserted( sal_uLong nPara, sal_uInt16 nPos, sal_uInt16 nChars );
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void ImpFormattingParagraph( sal_uLong nPara );
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void ImpTextHeightChanged();
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void ImpTextFormatted();
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DECL_LINK( IdleFormatHdl, void * );
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void CheckIdleFormatter();
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void IdleFormatAndUpdate( TextView* pCurView = 0, sal_uInt16 nMaxTimerRestarts = 5 );
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bool CreateLines( sal_uLong nPara );
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void CreateAndInsertEmptyLine( sal_uLong nPara );
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void ImpBreakLine( sal_uLong nPara, TextLine* pLine, TETextPortion* pPortion, sal_uInt16 nPortionStart, long nRemainingWidth );
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sal_uInt16 SplitTextPortion( sal_uLong nPara, sal_uInt16 nPos );
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void CreateTextPortions( sal_uLong nPara, sal_uInt16 nStartPos );
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void RecalcTextPortion( sal_uLong nPara, sal_uInt16 nStartPos, short nNewChars );
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void SeekCursor( sal_uLong nNode, sal_uInt16 nPos, Font& rFont, OutputDevice* pOutDev );
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void FormatDoc();
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void FormatFullDoc();
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void FormatAndUpdate( TextView* pCurView = 0 );
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bool IsFormatting() const { return mbIsFormatting; }
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void UpdateViews( TextView* pCurView = 0 );
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void ImpPaint( OutputDevice* pOut, const Point& rStartPos, Rectangle const* pPaintArea, TextSelection const* pPaintRange = 0, TextSelection const* pSelection = 0 );
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void UpdateSelections();
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bool IsFormatted() const { return mbFormatted; }
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sal_uInt16 GetCharPos( sal_uLong nPara, sal_uInt16 nLine, long nDocPosX, bool bSmart = false );
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Rectangle GetEditCursor( const TextPaM& rPaM, bool bSpecial, bool bPreferPortionStart = false );
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sal_uInt16 ImpFindIndex( sal_uLong nPortion, const Point& rPosInPara, bool bSmart );
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long ImpGetPortionXOffset( sal_uLong nPara, TextLine* pLine, sal_uInt16 nTextPortion );
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long ImpGetXPos( sal_uLong nPara, TextLine* pLine, sal_uInt16 nIndex, bool bPreferPortionStart = false );
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long ImpGetOutputOffset( sal_uLong nPara, TextLine* pLine, sal_uInt16 nIndex, sal_uInt16 nIndex2 );
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sal_uInt8 ImpGetRightToLeft( sal_uLong nPara, sal_uInt16 nPos, sal_uInt16* pStart = NULL, sal_uInt16* pEnd = NULL );
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void ImpInitLayoutMode( OutputDevice* pOutDev, bool bDrawingR2LPortion = false );
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TxtAlign ImpGetAlign() const;
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sal_uLong CalcTextHeight();
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sal_uLong CalcParaHeight( sal_uLong nParagraph ) const;
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sal_uLong CalcTextWidth( sal_uLong nPara );
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sal_uLong CalcTextWidth( sal_uLong nPara, sal_uInt16 nPortionStart, sal_uInt16 nPortionLen, const Font* pFont = 0 );
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Range GetInvalidYOffsets( sal_uLong nPortion );
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// for Undo/Redo
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void InsertContent( TextNode* pNode, sal_uLong nPara );
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TextPaM SplitContent( sal_uLong nNode, sal_uInt16 nSepPos );
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TextPaM ConnectContents( sal_uLong nLeftNode );
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// adjust PaM's and selections that were transfered to the API to a valid range
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void ValidateSelection( TextSelection& rSel ) const;
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void ValidatePaM( TextPaM& rPaM ) const;
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public:
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TextEngine();
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virtual ~TextEngine();
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void SetText( const OUString& rStr );
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OUString GetText( LineEnd aSeparator = LINEEND_LF ) const;
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OUString GetText( const TextSelection& rSel, LineEnd aSeparator = LINEEND_LF ) const;
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OUString GetTextLines( LineEnd aSeparator = LINEEND_LF ) const;
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void ReplaceText(const TextSelection& rSel, const OUString& rText);
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sal_uLong GetTextLen( LineEnd aSeparator = LINEEND_LF ) const;
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sal_uLong GetTextLen( const TextSelection& rSel, LineEnd aSeparator = LINEEND_LF ) const;
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void SetFont( const Font& rFont );
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const Font& GetFont() const { return maFont; }
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sal_uInt16 GetDefTab() const;
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void SetLeftMargin( sal_uInt16 n );
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void SetUpdateMode( bool bUpdate );
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bool GetUpdateMode() const { return mbUpdate; }
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sal_uInt16 GetViewCount() const;
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TextView* GetView( sal_uInt16 nView ) const;
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void InsertView( TextView* pTextView );
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void RemoveView( TextView* pTextView );
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TextView* GetActiveView() const { return mpActiveView;}
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void SetActiveView( TextView* pView );
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void SetMaxTextLen( sal_uLong nLen );
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sal_uLong GetMaxTextLen() const { return mnMaxTextLen; }
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void SetMaxTextWidth( sal_uLong nWidth );
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sal_uLong GetMaxTextWidth() const { return mnMaxTextWidth; }
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sal_uLong GetTextHeight() const;
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sal_uLong CalcTextWidth();
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long GetCharHeight() const { return mnCharHeight; }
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sal_uLong GetParagraphCount() const;
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OUString GetText( sal_uLong nParagraph ) const;
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sal_uInt16 GetTextLen( sal_uLong nParagraph ) const;
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sal_uLong GetTextHeight( sal_uLong nParagraph ) const;
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sal_uInt16 GetLineCount( sal_uLong nParagraph ) const;
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sal_uInt16 GetLineLen( sal_uLong nParagraph, sal_uInt16 nLine ) const;
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void SetRightToLeft( bool bR2L );
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bool IsRightToLeft() const { return mbRightToLeft; }
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bool HasUndoManager() const { return mpUndoManager ? true : false; }
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::svl::IUndoManager&
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GetUndoManager();
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void UndoActionStart( sal_uInt16 nId = 0 );
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void UndoActionEnd();
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void InsertUndo( TextUndo* pUndo, bool bTryMerge = false );
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bool IsInUndo() { return mbIsInUndo; }
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void SetIsInUndo( bool bInUndo ) { mbIsInUndo = bInUndo; }
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void ResetUndo();
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void EnableUndo( bool bEnable );
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bool IsUndoEnabled() { return mbUndoEnabled; }
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void SetModified( bool bModified ) { mbModified = bModified; }
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bool IsModified() const { return mbModified; }
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bool Read( SvStream& rInput, const TextSelection* pSel = NULL );
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bool Write( SvStream& rOutput, const TextSelection* pSel = NULL, bool bHTML = false );
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TextPaM GetPaM( const Point& rDocPos, bool bSmart = true );
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Rectangle PaMtoEditCursor( const TextPaM& rPaM, bool bSpecial = false );
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OUString GetWord( const TextPaM& rCursorPos, TextPaM* pStartOfWord = 0 );
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bool HasAttrib( sal_uInt16 nWhich ) const;
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const TextAttrib* FindAttrib( const TextPaM& rPaM, sal_uInt16 nWhich ) const;
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const TextCharAttrib* FindCharAttrib( const TextPaM& rPaM, sal_uInt16 nWhich ) const;
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void RemoveAttribs( sal_uLong nPara, sal_uInt16 nWhich, bool bIdleFormatAndUpdate );
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void RemoveAttrib( sal_uLong nPara, const TextCharAttrib& rAttrib );
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void RemoveAttribs( sal_uLong nPara, bool bIdleFormatAndUpdate = true );
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void SetAttrib( const TextAttrib& rAttr, sal_uLong nPara, sal_uInt16 nStart, sal_uInt16 nEnd, bool bIdleFormatAndUpdate = true );
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TxtAlign GetTextAlign() const { return meAlign; }
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void SetTextAlign( TxtAlign eAlign );
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void Draw( OutputDevice* pDev, const Point& rPos );
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void SetLocale( const ::com::sun::star::lang::Locale& rLocale );
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::com::sun::star::lang::Locale GetLocale();
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::com::sun::star::uno::Reference< ::com::sun::star::i18n::XBreakIterator > GetBreakIterator();
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static bool DoesKeyChangeText( const KeyEvent& rKeyEvent );
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static bool IsSimpleCharInput( const KeyEvent& rKeyEvent );
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Color GetTextColor() const { return maTextColor; }
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};
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#endif // INCLUDED_VCL_TEXTENG_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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