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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#ifndef INCLUDED_VCL_TEXTENG_HXX
#define INCLUDED_VCL_TEXTENG_HXX
#include <vcl/dllapi.h>
class TextDoc;
class TextView;
class TextPaM;
class TextSelection;
class TEParaPortions;
class TextAttrib;
class TextCharAttrib;
class TextUndo;
class TextUndoManager;
class EditSelFunctionSet;
class IdleFormatter;
class TextNode;
class OutputDevice;
class SfxUndoAction;
class KeyEvent;
class Timer;
namespace svl
{
class IUndoManager;
}
class TextLine;
class TETextPortion;
#include <rtl/ustring.hxx>
#include <svl/brdcst.hxx>
#include <tools/lineend.hxx>
#include <tools/link.hxx>
#include <tools/gen.hxx>
#include <vcl/font.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 };
typedef std::vector<TextView*> TextViews;
class VCL_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;
css::uno::Reference < css::i18n::XExtendedInputSequenceChecker > mxISC;
Rectangle maInvalidRect;
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;
bool mbIsFormatting : 1; // semaphore for the 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( sal_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 OUString& rText );
TextPaM ImpInsertParaBreak( const TextSelection& rTextSelection, bool bKeepEndingAttribs = true );
TextPaM ImpInsertParaBreak( const TextPaM& rPaM, bool bKeepEndingAttribs = 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, bool bOverwrite = false, bool bIsUserInput = 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();
SAL_DLLPRIVATE bool IsInputSequenceCheckingRequired( sal_Unicode c, const TextSelection& rCurSel ) const;
// broadcast or adjust selections
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, void * );
void CheckIdleFormatter();
void IdleFormatAndUpdate( TextView* pCurView = 0, sal_uInt16 nMaxTimerRestarts = 5 );
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 );
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();
bool IsFormatted() const { return mbFormatted; }
sal_uInt16 GetCharPos( sal_uLong nPara, sal_uInt16 nLine, long nDocPosX, bool bSmart = false );
Rectangle GetEditCursor( const TextPaM& rPaM, bool bSpecial, bool bPreferPortionStart = false );
sal_uInt16 ImpFindIndex( sal_uLong nPortion, const Point& rPosInPara, bool bSmart );
long ImpGetPortionXOffset( sal_uLong nPara, TextLine* pLine, sal_uInt16 nTextPortion );
long ImpGetXPos( sal_uLong nPara, TextLine* pLine, sal_uInt16 nIndex, bool bPreferPortionStart = 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, bool bDrawingR2LPortion = 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 );
// for Undo/Redo
void InsertContent( TextNode* pNode, sal_uLong nPara );
TextPaM SplitContent( sal_uLong nNode, sal_uInt16 nSepPos );
TextPaM ConnectContents( sal_uLong nLeftNode );
// adjust PaM's and selections that were transfered to the API to a valid range
void ValidateSelection( TextSelection& rSel ) const;
void ValidatePaM( TextPaM& rPaM ) const;
public:
TextEngine();
virtual ~TextEngine();
void SetText( const OUString& rStr );
OUString GetText( LineEnd aSeparator = LINEEND_LF ) const;
OUString GetText( const TextSelection& rSel, LineEnd aSeparator = LINEEND_LF ) const;
OUString GetTextLines( LineEnd aSeparator = LINEEND_LF ) const;
void ReplaceText(const TextSelection& rSel, const OUString& 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 );
void SetUpdateMode( bool bUpdate );
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 { return mpActiveView;}
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;
OUString 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( bool bR2L );
bool IsRightToLeft() const { return mbRightToLeft; }
bool HasUndoManager() const { return mpUndoManager ? true : false; }
::svl::IUndoManager&
GetUndoManager();
void UndoActionStart( sal_uInt16 nId = 0 );
void UndoActionEnd();
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 );
OUString GetWord( const TextPaM& rCursorPos, TextPaM* pStartOfWord = 0 );
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, bool bIdleFormatAndUpdate );
void RemoveAttrib( sal_uLong nPara, const TextCharAttrib& rAttrib );
void RemoveAttribs( sal_uLong nPara, bool bIdleFormatAndUpdate = true );
void SetAttrib( const TextAttrib& rAttr, sal_uLong nPara, sal_uInt16 nStart, sal_uInt16 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 IsSimpleCharInput( const KeyEvent& rKeyEvent );
Color GetTextColor() const { return maTextColor; }
};
#endif // INCLUDED_VCL_TEXTENG_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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