00001 #ifndef KOTEXTPARAG_H
00002 #define KOTEXTPARAG_H
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00025 #include "KoParagLayout.h"
00026
00027 #include "KoTextFormat.h"
00028 #include "KoRichText.h"
00029 class KoTextFormatterBase;
00030 class KoTextParagLineStart;
00031 class KoTextString;
00032 class KoTextDocument;
00033 class KoParagCounter;
00034 class KoParagStyle;
00035 class KoTextCustomItem;
00036 class KoOasisContext;
00037 class KoSavingContext;
00038 class KoStyleCollection;
00039
00040 struct KoTextParagSelection
00041 {
00042 int start, end;
00043 };
00044
00045 #if defined(Q_TEMPLATEDLL)
00046
00047 template class QMap<int, KoTextParagSelection>;
00048 template class QMap<int, KoTextParagLineStart*>;
00049
00050 #endif
00051
00052 class KOTEXT_EXPORT KoTextParag
00053 {
00054 friend class KoTextDocument;
00055 friend class KoTextCursor;
00056
00057 public:
00058 KoTextParag( KoTextDocument *d, KoTextParag *pr = 0, KoTextParag *nx = 0, bool updateIds = TRUE );
00059 virtual ~KoTextParag();
00060
00061 KoTextString *string() const;
00062 KoTextStringChar *at( int i ) const;
00063 int leftGap() const;
00064 int length() const;
00065
00066
00067 int lastCharPos() const { return str->length()-2; }
00068
00069 void setFormat( KoTextFormat *fm );
00070 KoTextFormat *paragFormat() const;
00071
00072 KoTextDocument *document() const;
00073
00074 QRect rect() const;
00075 void setRect( const QRect& rect ) { r = rect; }
00076 void setHeight( int h ) { r.setHeight( h ); }
00077 void setWidth( int w ) { r.setWidth( w ); }
00078 void show();
00079 void hide();
00080 bool isVisible() const { return visible; }
00081
00082 KoTextParag *prev() const;
00083 KoTextParag *next() const;
00084 void setPrev( KoTextParag *s );
00085 void setNext( KoTextParag *s );
00086
00087 void insert( int index, const QString &s );
00088 void append( const QString &s, bool reallyAtEnd = FALSE );
00089 void truncate( int index );
00090 void remove( int index, int len );
00091
00092 void move( int &dy );
00093 void format( int start = -1, bool doMove = TRUE );
00094
00096 void invalidate( int chr = 0 );
00098 bool isValid() const;
00099
00101 bool hasChanged() const;
00102 void setChanged( bool b, bool recursive = FALSE );
00103 short int lineChanged();
00104 void setLineChanged( short int line );
00105
00106 int lineHeightOfChar( int i, int *bl = 0, int *y = 0 ) const;
00107 KoTextStringChar *lineStartOfChar( int i, int *index = 0, int *line = 0 ) const;
00108 int lines() const;
00109 KoTextStringChar *lineStartOfLine( int line, int *index = 0 ) const;
00110 int lineY( int l ) const;
00111 int lineBaseLine( int l ) const;
00112 int lineHeight( int l ) const;
00113 void lineInfo( int l, int &y, int &h, int &bl ) const;
00114
00115 void setSelection( int id, int start, int end );
00116 void removeSelection( int id );
00117 int selectionStart( int id ) const;
00118 int selectionEnd( int id ) const;
00119 bool hasSelection( int id ) const;
00120 bool hasAnySelection() const;
00121 bool fullSelected( int id ) const;
00122
00123
00124
00125
00126 void setParagId( int i );
00127 int paragId() const;
00128
00129 QMap<int, KoTextParagLineStart*> &lineStartList();
00130
00131 void setFormat( int index, int len, const KoTextFormat *f, bool useCollection = TRUE, int flags = -1 );
00132
00133 void setAlignment( uint a );
00134 void setAlignmentDirect( uint a ) { align = a; }
00135 uint alignment() const;
00136
00137 virtual void paint( QPainter &painter, const QColorGroup &cg, KoTextCursor *cursor, bool drawSelections,
00138 int clipx, int clipy, int clipw, int cliph );
00139
00140
00141 int topMargin() const;
00142 int bottomMargin() const;
00143 int leftMargin() const;
00144 int firstLineMargin() const;
00145 int rightMargin() const;
00146 int lineSpacing( int line ) const;
00147 int calculateLineSpacing( int line, int start, int last ) const;
00148
00149 void registerFloatingItem( KoTextCustomItem *i );
00150 void unregisterFloatingItem( KoTextCustomItem *i );
00151
00152 void setFullWidth( bool b ) { fullWidth = b; }
00153 bool isFullWidth() const { return fullWidth; }
00154
00155 int customItems() const;
00156
00157 void setDocumentRect( const QRect &r );
00158 int documentWidth() const;
00159
00160 int documentX() const;
00161 int documentY() const;
00162 KoTextFormatCollection *formatCollection() const;
00163
00164 KoTextFormatterBase *formatter() const;
00165
00166 int widthUsed() const;
00167
00168 int nextTabDefault( int i, int x );
00169 int nextTab( int i, int x, int availableWidth );
00170 int *tabArray() const;
00171 void setTabArray( int *a );
00172 void setTabStops( int tw );
00173
00176 void setNewLinesAllowed( bool b );
00178 bool isNewLinesAllowed() const;
00179
00180 virtual void join( KoTextParag *s );
00181 virtual void copyParagData( KoTextParag *parag );
00182
00183
00184
00185
00186 void setMovedDown( bool b ) { movedDown = b; }
00187 bool wasMovedDown() const { return movedDown; }
00188
00189 void setDirection( QChar::Direction d );
00190 QChar::Direction direction() const;
00191
00193 void setPartOfTableOfContents( bool b ) { m_toc = b; }
00194 bool partOfTableOfContents() const { return m_toc; }
00195
00196
00197 void insertLineStart( int index, KoTextParagLineStart *ls );
00198
00199 protected:
00200 void drawLabel( QPainter* p, int x, int y, int w, int h, int base, const QColorGroup& cg );
00201 void drawCursorDefault( QPainter &painter, KoTextCursor *cursor, int curx, int cury, int curh, const QColorGroup &cg );
00202 void drawCursor( QPainter &painter, KoTextCursor *cursor, int curx, int cury, int curh, const QColorGroup &cg );
00203
00209 public:
00210 KoTextDocument * textDocument() const { return document(); }
00211
00212 KoTextFormat * paragraphFormat() const
00213 { return static_cast<KoTextFormat *>( paragFormat() ); }
00214
00217 virtual void setParagLayout( const KoParagLayout &layout, int flags = KoParagLayout::All,
00218 int marginIndex = -1 );
00219
00220 const KoParagLayout & paragLayout() { return m_layout; }
00221
00222
00223 double margin( QStyleSheetItem::Margin m ) { return m_layout.margins[m]; }
00224 const double * margins() const { return m_layout.margins; }
00225 void setMargin( QStyleSheetItem::Margin m, double _i );
00226 void setMargins( const double * _i );
00227
00229 double kwLineSpacing() const { return m_layout.lineSpacingValue(); }
00230
00231 void setLineSpacing( double _i );
00232
00233 KoParagLayout::SpacingType kwLineSpacingType() const { return m_layout.lineSpacingType; }
00234
00235 void setLineSpacingType( KoParagLayout::SpacingType _type );
00236
00237
00239 void setAlign( int align );
00241 int resolveAlignment() const;
00242
00245 int breakableTopMargin() const;
00246
00247
00248 KoBorder leftBorder() const { return m_layout.leftBorder; }
00249 KoBorder rightBorder() const { return m_layout.rightBorder; }
00250 KoBorder topBorder() const { return m_layout.topBorder; }
00251 KoBorder bottomBorder() const { return m_layout.bottomBorder; }
00252 bool hasBorder() const { return m_layout.hasBorder(); }
00253 bool joinBorder() const { return m_layout.joinBorder; }
00254
00255 void setLeftBorder( const KoBorder & _brd ) { m_layout.leftBorder = _brd; }
00256 void setRightBorder( const KoBorder & _brd ) { m_layout.rightBorder = _brd; }
00257 void setTopBorder( const KoBorder & _brd );
00258 void setBottomBorder( const KoBorder & _brd );
00259 void setJoinBorder( bool join );
00260
00261
00262 QColor backgroundColor() { return m_layout.backgroundColor; }
00263 void setBackgroundColor( const QColor& color);
00264
00265
00266 void setCounter( const KoParagCounter & counter );
00267 void setNoCounter();
00268 void setCounter( const KoParagCounter * pCounter )
00269 {
00270 if ( pCounter ) setCounter( *pCounter );
00271 else setNoCounter();
00272 }
00273 KoParagCounter *counter();
00274
00278 int counterWidth() const;
00279
00281 KoParagStyle *style() const { return m_layout.style; }
00283 void setStyle( KoParagStyle *style ) { m_layout.style = style; }
00285 void applyStyle( KoParagStyle *style );
00286
00288 const KoTabulatorList& tabList() const { return m_layout.tabList(); }
00290 void setTabList( const KoTabulatorList &tabList );
00291
00293 int shadowX( KoTextZoomHandler *zh ) const;
00295 int shadowY( KoTextZoomHandler *zh ) const;
00297 double shadowDistanceY() const;
00298
00300 void setCustomItem( int index, KoTextCustomItem * custom, KoTextFormat * currentFormat );
00302 void removeCustomItem( int index );
00303
00306 int findCustomItem( const KoTextCustomItem * custom ) const;
00307
00309 QMap<int, int>& tabCache() { return m_tabCache; }
00310
00312 QRect pixelRect( KoTextZoomHandler* zh ) const;
00313
00317 static void drawFontEffects( QPainter * p, KoTextFormat *format, KoTextZoomHandler *zh, QFont font, const QColor & color, int startX, int baseLine, int bw, int y, int h, QChar firstChar );
00318
00320 QString toString( int from = 0, int length = 0xffffffff) const;
00321
00323 void fixParagWidth( bool viewFormattingChars );
00324
00326 virtual void loadOasis( const QDomElement& e, KoOasisContext& context, KoStyleCollection *styleCollection, uint& pos );
00330 virtual void saveOasis( KoXmlWriter& writer, KoSavingContext& context,
00331 int from, int to, bool saveAnchorsFramesets = false ) const;
00332
00333 void loadOasisSpan( const QDomElement& parent, KoOasisContext& context, uint& pos );
00334
00335 void applyListStyle( KoOasisContext& context, int restartNumbering, bool orderedList, bool heading, int level );
00336
00337 #ifndef NDEBUG
00338 void printRTDebug( int );
00339 #endif
00340
00341 protected:
00342 void invalidateCounters();
00343 bool lineHyphenated( int l ) const;
00344
00345 void paintLines( QPainter &painter, const QColorGroup &cg, KoTextCursor *cursor, bool drawSelections,
00346 int clipx, int clipy, int clipw, int cliph );
00347
00348 void drawParagString( QPainter &painter, const QString &str, int start, int len, int startX,
00349 int lastY, int baseLine, int bw, int h, bool drawSelections,
00350 KoTextFormat *lastFormat, const QMemArray<int> &selectionStarts,
00351 const QMemArray<int> &selectionEnds, const QColorGroup &cg, bool rightToLeft, int line );
00352 void drawParagStringInternal( QPainter &painter, const QString &s, int start, int len, int startX,
00353 int lastY, int baseLine, int bw, int h, bool drawSelections,
00354 KoTextFormat *lastFormat, const QMemArray<int> &selectionStarts,
00355 const QMemArray<int> &selectionEnds, const QColorGroup &cg, bool rightToLeft, int line, KoTextZoomHandler* zh, bool drawingShadow );
00356
00358 enum { FormattingSpace = 1, FormattingBreak = 2, FormattingEndParag = 4, FormattingTabs = 8,
00359 AllFormattingChars = FormattingSpace | FormattingBreak | FormattingEndParag | FormattingTabs };
00360
00365 virtual void drawFormattingChars( QPainter &painter, int start, int len,
00366 int lastY_pix, int baseLine_pix, int h_pix,
00367 bool drawSelections,
00368 KoTextFormat *format, const QMemArray<int> &selectionStarts,
00369 const QMemArray<int> &selectionEnds, const QColorGroup &cg,
00370 bool rightToLeft, int line, KoTextZoomHandler* zh,
00371 int whichFormattingChars );
00372
00373 protected:
00374 KoParagLayout m_layout;
00375 QMap<int, int> m_tabCache;
00376
00377 private:
00378 KoParagLayout loadParagLayout( KoOasisContext& context, KoStyleCollection *styleCollection, bool findStyle );
00379
00380
00381
00383 private:
00384 QMap<int, KoTextParagSelection> &selections() const;
00385 QPtrList<KoTextCustomItem> &floatingItems() const;
00387 int heightForLineSpacing( int startChar, int lastChar ) const;
00388
00389 QMap<int, KoTextParagLineStart*> lineStarts;
00390 QRect r;
00391 KoTextParag *p, *n;
00392 KoTextDocument *doc;
00393 bool m_invalid : 1;
00394 bool changed : 1;
00395 bool fullWidth : 1;
00396 bool newLinesAllowed : 1;
00397 bool visible : 1;
00398 bool movedDown : 1;
00399 bool m_toc : 1;
00400 uint align : 4;
00401 short int m_lineChanged;
00402 int id;
00403 int m_wused;
00404 KoTextString *str;
00405 QMap<int, KoTextParagSelection> *mSelections;
00406 QPtrList<KoTextCustomItem> *mFloatingItems;
00407 KoTextFormat *defFormat;
00408 int *tArray;
00409
00410
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00417
00418 };
00419
00420 inline int KoTextParag::length() const
00421 {
00422 return str->length();
00423 }
00424
00425 inline QRect KoTextParag::rect() const
00426 {
00427 return r;
00428 }
00429
00430 inline KoTextStringChar *KoTextParag::at( int i ) const
00431 {
00432 return &str->at( i );
00433 }
00434
00435 inline bool KoTextParag::isValid() const
00436 {
00437 return !m_invalid;
00438 }
00439
00440 inline bool KoTextParag::hasChanged() const
00441 {
00442 return changed;
00443 }
00444
00445 inline short int KoTextParag::lineChanged()
00446 {
00447 return m_lineChanged;
00448 }
00449
00450 inline void KoTextParag::append( const QString &s, bool reallyAtEnd )
00451 {
00452 if ( reallyAtEnd )
00453 insert( str->length(), s );
00454 else
00455 insert( QMAX( str->length() - 1, 0 ), s );
00456 }
00457
00458 inline KoTextParag *KoTextParag::prev() const
00459 {
00460 return p;
00461 }
00462
00463 inline KoTextParag *KoTextParag::next() const
00464 {
00465 return n;
00466 }
00467
00468 inline bool KoTextParag::hasAnySelection() const
00469 {
00470 return mSelections ? !selections().isEmpty() : FALSE;
00471 }
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00485 inline void KoTextParag::setParagId( int i )
00486 {
00487 id = i;
00488 }
00489
00490 inline int KoTextParag::paragId() const
00491 {
00492
00493
00494 return id;
00495 }
00496
00497 inline QMap<int, KoTextParagLineStart*> &KoTextParag::lineStartList()
00498 {
00499 return lineStarts;
00500 }
00501
00502 inline KoTextString *KoTextParag::string() const
00503 {
00504 return str;
00505 }
00506
00507 inline KoTextDocument *KoTextParag::document() const
00508 {
00509 return doc;
00510 }
00511
00512 inline void KoTextParag::setAlignment( uint a )
00513 {
00514 if ( a == align )
00515 return;
00516 align = a;
00517 invalidate( 0 );
00518 }
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00531 inline KoTextFormat *KoTextParag::paragFormat() const
00532 {
00533 return defFormat;
00534 }
00535
00536 inline void KoTextParag::registerFloatingItem( KoTextCustomItem *i )
00537 {
00538 floatingItems().append( i );
00539 }
00540
00541 inline void KoTextParag::unregisterFloatingItem( KoTextCustomItem *i )
00542 {
00543 floatingItems().removeRef( i );
00544 }
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00556 inline int KoTextParag::customItems() const
00557 {
00558 return mFloatingItems ? mFloatingItems->count() : 0;
00559
00560 }
00561
00562 inline void KoTextParag::setNewLinesAllowed( bool b )
00563 {
00564 newLinesAllowed = b;
00565 }
00566
00567 inline bool KoTextParag::isNewLinesAllowed() const
00568 {
00569 return newLinesAllowed;
00570 }
00571
00572 #endif