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Diffstat (limited to 'src/kernel/qrichtext.cpp')
| -rw-r--r-- | src/kernel/qrichtext.cpp | 8258 |
1 files changed, 8258 insertions, 0 deletions
diff --git a/src/kernel/qrichtext.cpp b/src/kernel/qrichtext.cpp new file mode 100644 index 000000000..82ce63ea0 --- /dev/null +++ b/src/kernel/qrichtext.cpp @@ -0,0 +1,8258 @@ +/**************************************************************************** +** +** Implementation of the internal TQt classes dealing with rich text +** +** Created : 990101 +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of the kernel module of the TQt GUI Toolkit. +** +** This file may be used under the terms of the GNU General +** Public License versions 2.0 or 3.0 as published by the Free +** Software Foundation and appearing in the files LICENSE.GPL2 +** and LICENSE.GPL3 included in the packaging of this file. +** Alternatively you may (at your option) use any later version +** of the GNU General Public License if such license has been +** publicly approved by Trolltech ASA (or its successors, if any) +** and the KDE Free TQt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing retquirements will be met: +** http://trolltech.com/products/qt/licenses/licensing/opensource/. +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://trolltech.com/products/qt/licenses/licensing/licensingoverview +** or contact the sales department at sales@trolltech.com. +** +** This file may be used under the terms of the Q Public License as +** defined by Trolltech ASA and appearing in the file LICENSE.TQPL +** included in the packaging of this file. Licensees holding valid TQt +** Commercial licenses may use this file in accordance with the TQt +** Commercial License Agreement provided with the Software. +** +** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, +** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted +** herein. +** +**********************************************************************/ + +#include "qrichtext_p.h" + +#ifndef QT_NO_RICHTEXT + + +#include "qstringlist.h" +#include "qfont.h" +#include "qtextstream.h" +#include "qfile.h" +#include "qapplication.h" +#include "qmap.h" +#include "qfileinfo.h" +#include "qstylesheet.h" +#include "qmime.h" +#include "qimage.h" +#include "qdragobject.h" +#include "qpaintdevicemetrics.h" +#include "qpainter.h" +#include "qdrawutil.h" +#include "qcursor.h" +#include "qptrstack.h" +#include "qptrdict.h" +#include "qstyle.h" +#include "qcleanuphandler.h" +#include "qtextengine_p.h" +#include <private/qunicodetables_p.h> + +#include <stdlib.h> + +static TQTextCursor* richTextExportStart = 0; +static TQTextCursor* richTextExportEnd = 0; + +class TQTextFormatCollection; + +const int border_tolerance = 2; + +#ifdef Q_WS_WIN +#include "qt_windows.h" +#endif + +#define TQChar_linesep TQChar(0x2028U) + +static inline bool is_printer( TQPainter *p ) +{ + if ( !p || !p->device() ) + return FALSE; + return p->device()->devType() == TQInternal::Printer; +} + +static inline int scale( int value, TQPainter *painter ) +{ + if ( is_printer( painter ) ) { + TQPaintDeviceMetrics metrics( painter->device() ); +#if defined(Q_WS_X11) + value = value * metrics.logicalDpiY() / + TQPaintDevice::x11AppDpiY( painter->device()->x11Screen() ); +#elif defined (Q_WS_WIN) + HDC hdc = GetDC( 0 ); + int gdc = GetDeviceCaps( hdc, LOGPIXELSY ); + if ( gdc ) + value = value * metrics.logicalDpiY() / gdc; + ReleaseDC( 0, hdc ); +#elif defined (Q_WS_MAC) + value = value * metrics.logicalDpiY() / 75; // ##### FIXME +#elif defined (Q_WS_QWS) + value = value * metrics.logicalDpiY() / 75; +#endif + } + return value; +} + + +inline bool isBreakable( TQTextString *string, int pos ) +{ + if (string->at(pos).nobreak) + return FALSE; + return (pos < string->length()-1 && string->at(pos+1).softBreak); +} + +// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +void TQTextCommandHistory::addCommand( TQTextCommand *cmd ) +{ + if ( current < (int)history.count() - 1 ) { + TQPtrList<TQTextCommand> commands; + commands.setAutoDelete( FALSE ); + + for( int i = 0; i <= current; ++i ) { + commands.insert( i, history.at( 0 ) ); + history.take( 0 ); + } + + commands.append( cmd ); + history.clear(); + history = commands; + history.setAutoDelete( TRUE ); + } else { + history.append( cmd ); + } + + if ( (int)history.count() > steps ) + history.removeFirst(); + else + ++current; +} + +TQTextCursor *TQTextCommandHistory::undo( TQTextCursor *c ) +{ + if ( current > -1 ) { + TQTextCursor *c2 = history.at( current )->unexecute( c ); + --current; + return c2; + } + return 0; +} + +TQTextCursor *TQTextCommandHistory::redo( TQTextCursor *c ) +{ + if ( current > -1 ) { + if ( current < (int)history.count() - 1 ) { + ++current; + return history.at( current )->execute( c ); + } + } else { + if ( history.count() > 0 ) { + ++current; + return history.at( current )->execute( c ); + } + } + return 0; +} + +bool TQTextCommandHistory::isUndoAvailable() +{ + return current > -1; +} + +bool TQTextCommandHistory::isRedoAvailable() +{ + return current > -1 && current < (int)history.count() - 1 || current == -1 && history.count() > 0; +} + +// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +TQTextDeleteCommand::TQTextDeleteCommand( TQTextDocument *d, int i, int idx, const TQMemArray<TQTextStringChar> &str, + const TQByteArray& oldStyleInfo ) + : TQTextCommand( d ), id( i ), index( idx ), parag( 0 ), text( str ), styleInformation( oldStyleInfo ) +{ + for ( int j = 0; j < (int)text.size(); ++j ) { + if ( text[ j ].format() ) + text[ j ].format()->addRef(); + } +} + +TQTextDeleteCommand::TQTextDeleteCommand( TQTextParagraph *p, int idx, const TQMemArray<TQTextStringChar> &str ) + : TQTextCommand( 0 ), id( -1 ), index( idx ), parag( p ), text( str ) +{ + for ( int i = 0; i < (int)text.size(); ++i ) { + if ( text[ i ].format() ) + text[ i ].format()->addRef(); + } +} + +TQTextDeleteCommand::~TQTextDeleteCommand() +{ + for ( int i = 0; i < (int)text.size(); ++i ) { + if ( text[ i ].format() ) + text[ i ].format()->removeRef(); + } + text.resize( 0 ); +} + +TQTextCursor *TQTextDeleteCommand::execute( TQTextCursor *c ) +{ + TQTextParagraph *s = doc ? doc->paragAt( id ) : parag; + if ( !s ) { + qWarning( "can't locate parag at %d, last parag: %d", id, doc->lastParagraph()->paragId() ); + return 0; + } + + cursor.setParagraph( s ); + cursor.setIndex( index ); + int len = text.size(); + if ( c ) + *c = cursor; + if ( doc ) { + doc->setSelectionStart( TQTextDocument::Temp, cursor ); + for ( int i = 0; i < len; ++i ) + cursor.gotoNextLetter(); + doc->setSelectionEnd( TQTextDocument::Temp, cursor ); + doc->removeSelectedText( TQTextDocument::Temp, &cursor ); + if ( c ) + *c = cursor; + } else { + s->remove( index, len ); + } + + return c; +} + +TQTextCursor *TQTextDeleteCommand::unexecute( TQTextCursor *c ) +{ + TQTextParagraph *s = doc ? doc->paragAt( id ) : parag; + if ( !s ) { + qWarning( "can't locate parag at %d, last parag: %d", id, doc->lastParagraph()->paragId() ); + return 0; + } + + cursor.setParagraph( s ); + cursor.setIndex( index ); + TQString str = TQTextString::toString( text ); + cursor.insert( str, TRUE, &text ); + if ( c ) + *c = cursor; + cursor.setParagraph( s ); + cursor.setIndex( index ); + +#ifndef QT_NO_DATASTREAM + if ( !styleInformation.isEmpty() ) { + TQDataStream styleStream( styleInformation, IO_ReadOnly ); + int num; + styleStream >> num; + TQTextParagraph *p = s; + while ( num-- && p ) { + p->readStyleInformation( styleStream ); + p = p->next(); + } + } +#endif + s = cursor.paragraph(); + while ( s ) { + s->format(); + s->setChanged( TRUE ); + if ( s == c->paragraph() ) + break; + s = s->next(); + } + + return &cursor; +} + +TQTextFormatCommand::TQTextFormatCommand( TQTextDocument *d, int sid, int sidx, int eid, int eidx, + const TQMemArray<TQTextStringChar> &old, TQTextFormat *f, int fl ) + : TQTextCommand( d ), startId( sid ), startIndex( sidx ), endId( eid ), endIndex( eidx ), format( f ), oldFormats( old ), flags( fl ) +{ + format = d->formatCollection()->format( f ); + for ( int j = 0; j < (int)oldFormats.size(); ++j ) { + if ( oldFormats[ j ].format() ) + oldFormats[ j ].format()->addRef(); + } +} + +TQTextFormatCommand::~TQTextFormatCommand() +{ + format->removeRef(); + for ( int j = 0; j < (int)oldFormats.size(); ++j ) { + if ( oldFormats[ j ].format() ) + oldFormats[ j ].format()->removeRef(); + } +} + +TQTextCursor *TQTextFormatCommand::execute( TQTextCursor *c ) +{ + TQTextParagraph *sp = doc->paragAt( startId ); + TQTextParagraph *ep = doc->paragAt( endId ); + if ( !sp || !ep ) + return c; + + TQTextCursor start( doc ); + start.setParagraph( sp ); + start.setIndex( startIndex ); + TQTextCursor end( doc ); + end.setParagraph( ep ); + end.setIndex( endIndex ); + + doc->setSelectionStart( TQTextDocument::Temp, start ); + doc->setSelectionEnd( TQTextDocument::Temp, end ); + doc->setFormat( TQTextDocument::Temp, format, flags ); + doc->removeSelection( TQTextDocument::Temp ); + if ( endIndex == ep->length() ) + end.gotoLeft(); + *c = end; + return c; +} + +TQTextCursor *TQTextFormatCommand::unexecute( TQTextCursor *c ) +{ + TQTextParagraph *sp = doc->paragAt( startId ); + TQTextParagraph *ep = doc->paragAt( endId ); + if ( !sp || !ep ) + return 0; + + int idx = startIndex; + int fIndex = 0; + while ( fIndex < int(oldFormats.size()) ) { + if ( oldFormats.at( fIndex ).c == '\n' ) { + if ( idx > 0 ) { + if ( idx < sp->length() && fIndex > 0 ) + sp->setFormat( idx, 1, oldFormats.at( fIndex - 1 ).format() ); + if ( sp == ep ) + break; + sp = sp->next(); + idx = 0; + } + fIndex++; + } + if ( oldFormats.at( fIndex ).format() ) + sp->setFormat( idx, 1, oldFormats.at( fIndex ).format() ); + idx++; + fIndex++; + if ( fIndex >= (int)oldFormats.size() ) + break; + if ( idx >= sp->length() ) { + if ( sp == ep ) + break; + sp = sp->next(); + idx = 0; + } + } + + TQTextCursor end( doc ); + end.setParagraph( ep ); + end.setIndex( endIndex ); + if ( endIndex == ep->length() ) + end.gotoLeft(); + *c = end; + return c; +} + +TQTextStyleCommand::TQTextStyleCommand( TQTextDocument *d, int fParag, int lParag, const TQByteArray& beforeChange ) + : TQTextCommand( d ), firstParag( fParag ), lastParag( lParag ), before( beforeChange ) +{ + after = readStyleInformation( d, fParag, lParag ); +} + + +TQByteArray TQTextStyleCommand::readStyleInformation( TQTextDocument* doc, int fParag, int lParag ) +{ + TQByteArray style; +#ifndef QT_NO_DATASTREAM + TQTextParagraph *p = doc->paragAt( fParag ); + if ( !p ) + return style; + TQDataStream styleStream( style, IO_WriteOnly ); + int num = lParag - fParag + 1; + styleStream << num; + while ( num -- && p ) { + p->writeStyleInformation( styleStream ); + p = p->next(); + } +#endif + return style; +} + +void TQTextStyleCommand::writeStyleInformation( TQTextDocument* doc, int fParag, const TQByteArray& style ) +{ +#ifndef QT_NO_DATASTREAM + TQTextParagraph *p = doc->paragAt( fParag ); + if ( !p ) + return; + TQDataStream styleStream( style, IO_ReadOnly ); + int num; + styleStream >> num; + while ( num-- && p ) { + p->readStyleInformation( styleStream ); + p = p->next(); + } +#endif +} + +TQTextCursor *TQTextStyleCommand::execute( TQTextCursor *c ) +{ + writeStyleInformation( doc, firstParag, after ); + return c; +} + +TQTextCursor *TQTextStyleCommand::unexecute( TQTextCursor *c ) +{ + writeStyleInformation( doc, firstParag, before ); + return c; +} + +// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +TQTextCursor::TQTextCursor( TQTextDocument *d ) + : idx( 0 ), tmpX( -1 ), ox( 0 ), oy( 0 ), + valid( TRUE ) +{ + para = d ? d->firstParagraph() : 0; +} + +TQTextCursor::TQTextCursor( const TQTextCursor &c ) +{ + ox = c.ox; + oy = c.oy; + idx = c.idx; + para = c.para; + tmpX = c.tmpX; + indices = c.indices; + paras = c.paras; + xOffsets = c.xOffsets; + yOffsets = c.yOffsets; + valid = c.valid; +} + +TQTextCursor &TQTextCursor::operator=( const TQTextCursor &c ) +{ + ox = c.ox; + oy = c.oy; + idx = c.idx; + para = c.para; + tmpX = c.tmpX; + indices = c.indices; + paras = c.paras; + xOffsets = c.xOffsets; + yOffsets = c.yOffsets; + valid = c.valid; + + return *this; +} + +bool TQTextCursor::operator==( const TQTextCursor &c ) const +{ + return para == c.para && idx == c.idx; +} + +int TQTextCursor::totalOffsetX() const +{ + int xoff = ox; + for ( TQValueStack<int>::ConstIterator xit = xOffsets.begin(); xit != xOffsets.end(); ++xit ) + xoff += *xit; + return xoff; +} + +int TQTextCursor::totalOffsetY() const +{ + int yoff = oy; + for ( TQValueStack<int>::ConstIterator yit = yOffsets.begin(); yit != yOffsets.end(); ++yit ) + yoff += *yit; + return yoff; +} + +#ifndef QT_NO_TEXTCUSTOMITEM +void TQTextCursor::gotoIntoNested( const TQPoint &globalPos ) +{ + if ( !para ) + return; + Q_ASSERT( para->at( idx )->isCustom() ); + push(); + ox = 0; + int bl, y; + para->lineHeightOfChar( idx, &bl, &y ); + oy = y + para->rect().y(); + ox = para->at( idx )->x; + TQTextDocument* doc = document(); + para->at( idx )->customItem()->enterAt( this, doc, para, idx, ox, oy, globalPos-TQPoint(ox,oy) ); +} +#endif + +void TQTextCursor::invalidateNested() +{ + if ( nestedDepth() ) { + TQValueStack<TQTextParagraph*>::Iterator it = paras.begin(); + TQValueStack<int>::Iterator it2 = indices.begin(); + for ( ; it != paras.end(); ++it, ++it2 ) { + if ( *it == para ) + continue; + (*it)->invalidate( 0 ); +#ifndef QT_NO_TEXTCUSTOMITEM + if ( (*it)->at( *it2 )->isCustom() ) + (*it)->at( *it2 )->customItem()->invalidate(); +#endif + } + } +} + +void TQTextCursor::insert( const TQString &str, bool checkNewLine, TQMemArray<TQTextStringChar> *formatting ) +{ + tmpX = -1; + bool justInsert = TRUE; + TQString s( str ); +#if defined(Q_WS_WIN) + if ( checkNewLine ) { + int i = 0; + while ( ( i = s.find( '\r', i ) ) != -1 ) + s.remove( i ,1 ); + } +#endif + if ( checkNewLine ) + justInsert = s.find( '\n' ) == -1; + if ( justInsert ) { // we ignore new lines and insert all in the current para at the current index + para->insert( idx, s.unicode(), s.length() ); + if ( formatting ) { + for ( int i = 0; i < (int)s.length(); ++i ) { + if ( formatting->at( i ).format() ) { + formatting->at( i ).format()->addRef(); + para->string()->setFormat( idx + i, formatting->at( i ).format(), TRUE ); + } + } + } + idx += s.length(); + } else { // we split at new lines + int start = -1; + int end; + int y = para->rect().y() + para->rect().height(); + int lastIndex = 0; + do { + end = s.find( '\n', start + 1 ); // find line break + if ( end == -1 ) // didn't find one, so end of line is end of string + end = s.length(); + int len = (start == -1 ? end : end - start - 1); + if ( len > 0 ) // insert the line + para->insert( idx, s.unicode() + start + 1, len ); + else + para->invalidate( 0 ); + if ( formatting ) { // set formats to the chars of the line + for ( int i = 0; i < len; ++i ) { + if ( formatting->at( i + lastIndex ).format() ) { + formatting->at( i + lastIndex ).format()->addRef(); + para->string()->setFormat( i + idx, formatting->at( i + lastIndex ).format(), TRUE ); + } + } + lastIndex += len; + } + start = end; // next start is at the end of this line + idx += len; // increase the index of the cursor to the end of the inserted text + if ( s[end] == '\n' ) { // if at the end was a line break, break the line + splitAndInsertEmptyParagraph( FALSE, TRUE ); + para->setEndState( -1 ); + para->prev()->format( -1, FALSE ); + lastIndex++; + } + + } while ( end < (int)s.length() ); + + para->format( -1, FALSE ); + int dy = para->rect().y() + para->rect().height() - y; + TQTextParagraph *p = para; + p->setParagId( p->prev() ? p->prev()->paragId() + 1 : 0 ); + p = p->next(); + while ( p ) { + p->setParagId( p->prev()->paragId() + 1 ); + p->move( dy ); + p->invalidate( 0 ); + p->setEndState( -1 ); + p = p->next(); + } + } + + int h = para->rect().height(); + para->format( -1, TRUE ); + if ( h != para->rect().height() ) + invalidateNested(); + else if ( para->document() && para->document()->parent() ) + para->document()->nextDoubleBuffered = TRUE; + + fixCursorPosition(); +} + +void TQTextCursor::gotoLeft() +{ + if ( para->string()->isRightToLeft() ) + gotoNextLetter(); + else + gotoPreviousLetter(); +} + +void TQTextCursor::gotoPreviousLetter() +{ + tmpX = -1; + + if ( idx > 0 ) { + idx = para->string()->previousCursorPosition( idx ); +#ifndef QT_NO_TEXTCUSTOMITEM + const TQTextStringChar *tsc = para->at( idx ); + if ( tsc && tsc->isCustom() && tsc->customItem()->isNested() ) + processNesting( EnterEnd ); +#endif + } else if ( para->prev() ) { + para = para->prev(); + while ( !para->isVisible() && para->prev() ) + para = para->prev(); + idx = para->length() - 1; + } else if ( nestedDepth() ) { + pop(); + processNesting( Prev ); + if ( idx == -1 ) { + pop(); + if ( idx > 0 ) { + idx = para->string()->previousCursorPosition( idx ); +#ifndef QT_NO_TEXTCUSTOMITEM + const TQTextStringChar *tsc = para->at( idx ); + if ( tsc && tsc->isCustom() && tsc->customItem()->isNested() ) + processNesting( EnterEnd ); +#endif + } else if ( para->prev() ) { + para = para->prev(); + idx = para->length() - 1; + } + } + } +} + +void TQTextCursor::push() +{ + indices.push( idx ); + paras.push( para ); + xOffsets.push( ox ); + yOffsets.push( oy ); +} + +void TQTextCursor::pop() +{ + if ( indices.isEmpty() ) + return; + idx = indices.pop(); + para = paras.pop(); + ox = xOffsets.pop(); + oy = yOffsets.pop(); +} + +void TQTextCursor::restoreState() +{ + while ( !indices.isEmpty() ) + pop(); +} + +bool TQTextCursor::place( const TQPoint &p, TQTextParagraph *s, bool link, bool loosePlacing, bool matchBetweenCharacters ) +{ + TQPoint pos( p ); + TQRect r; + TQTextParagraph *str = s; + if ( pos.y() < s->rect().y() ) { + pos.setY( s->rect().y() ); +#ifdef Q_WS_MACX + pos.setX( s->rect().x() ); +#endif + } + while ( s ) { + r = s->rect(); + r.setWidth( document() ? document()->width() : TQWIDGETSIZE_MAX ); + if ( s->isVisible() ) + str = s; + if ( pos.y() >= r.y() && pos.y() <= r.y() + r.height() ) + break; + if ( loosePlacing == TRUE && !s->next() ) { +#ifdef Q_WS_MACX + pos.setX( s->rect().x() + s->rect().width() ); +#endif + break; + } + s = s->next(); + } + + if ( !s || !str ) + return FALSE; + + s = str; + + setParagraph( s ); + int y = s->rect().y(); + int lines = s->lines(); + TQTextStringChar *chr = 0; + int index = 0; + int i = 0; + int cy = 0; + int ch = 0; + for ( ; i < lines; ++i ) { + chr = s->lineStartOfLine( i, &index ); + cy = s->lineY( i ); + ch = s->lineHeight( i ); + if ( !chr ) + return FALSE; + if ( pos.y() <= y + cy + ch ) + break; + } + int nextLine; + if ( i < lines - 1 ) + s->lineStartOfLine( i+1, &nextLine ); + else + nextLine = s->length(); + i = index; + int x = s->rect().x(); + if ( pos.x() < x ) + pos.setX( x + 1 ); + int cw; + int curpos = -1; + int dist = 10000000; + bool inCustom = FALSE; + while ( i < nextLine ) { + chr = s->at(i); + int cpos = x + chr->x; + cw = s->string()->width( i ); +#ifndef QT_NO_TEXTCUSTOMITEM + if ( chr->isCustom() && chr->customItem()->isNested() ) { + if ( pos.x() >= cpos && pos.x() <= cpos + cw && + pos.y() >= y + cy && pos.y() <= y + cy + chr->height() ) { + inCustom = TRUE; + curpos = i; + break; + } + } else +#endif + { + if( chr->rightToLeft ) + cpos += cw; + int d = cpos - pos.x(); + bool dm = d < 0 ? !chr->rightToLeft : chr->rightToLeft; + if ( ( matchBetweenCharacters == TRUE && (TQABS( d ) < dist || (dist == d && dm == TRUE )) && para->string()->validCursorPosition( i ) ) || + ( matchBetweenCharacters == FALSE && ( d == 0 || dm == TRUE ) ) ) { + dist = TQABS( d ); + if ( !link || ( pos.x() >= x + chr->x && ( loosePlacing == TRUE || pos.x() < cpos ) ) ) + curpos = i; + } + } + i++; + } + if ( curpos == -1 ) { + if ( loosePlacing == TRUE ) + curpos = s->length()-1; + else + return FALSE; + } + setIndex( curpos ); + +#ifndef QT_NO_TEXTCUSTOMITEM + if ( inCustom && para->document() && para->at( curpos )->isCustom() && para->at( curpos )->customItem()->isNested() ) { + TQTextDocument *oldDoc = para->document(); + gotoIntoNested( pos ); + if ( oldDoc == para->document() ) + return TRUE; + TQPoint p( pos.x() - offsetX(), pos.y() - offsetY() ); + if ( !place( p, document()->firstParagraph(), link ) ) + pop(); + } +#endif + return TRUE; +} + +bool TQTextCursor::processNesting( Operation op ) +{ + if ( !para->document() ) + return FALSE; + TQTextDocument* doc = para->document(); + push(); + ox = para->at( idx )->x; + int bl, y; + para->lineHeightOfChar( idx, &bl, &y ); + oy = y + para->rect().y(); + bool ok = FALSE; + +#ifndef QT_NO_TEXTCUSTOMITEM + switch ( op ) { + case EnterBegin: + ok = para->at( idx )->customItem()->enter( this, doc, para, idx, ox, oy ); + break; + case EnterEnd: + ok = para->at( idx )->customItem()->enter( this, doc, para, idx, ox, oy, TRUE ); + break; + case Next: + ok = para->at( idx )->customItem()->next( this, doc, para, idx, ox, oy ); + break; + case Prev: + ok = para->at( idx )->customItem()->prev( this, doc, para, idx, ox, oy ); + break; + case Down: + ok = para->at( idx )->customItem()->down( this, doc, para, idx, ox, oy ); + break; + case Up: + ok = para->at( idx )->customItem()->up( this, doc, para, idx, ox, oy ); + break; + } + if ( !ok ) +#endif + pop(); + return ok; +} + +void TQTextCursor::gotoRight() +{ + if ( para->string()->isRightToLeft() ) + gotoPreviousLetter(); + else + gotoNextLetter(); +} + +void TQTextCursor::gotoNextLetter() +{ + tmpX = -1; + +#ifndef QT_NO_TEXTCUSTOMITEM + const TQTextStringChar *tsc = para->at( idx ); + if ( tsc && tsc->isCustom() && tsc->customItem()->isNested() ) { + if ( processNesting( EnterBegin ) ) + return; + } +#endif + + if ( idx < para->length() - 1 ) { + idx = para->string()->nextCursorPosition( idx ); + } else if ( para->next() ) { + para = para->next(); + while ( !para->isVisible() && para->next() ) + para = para->next(); + idx = 0; + } else if ( nestedDepth() ) { + pop(); + processNesting( Next ); + if ( idx == -1 ) { + pop(); + if ( idx < para->length() - 1 ) { + idx = para->string()->nextCursorPosition( idx ); + } else if ( para->next() ) { + para = para->next(); + idx = 0; + } + } + } +} + +void TQTextCursor::gotoUp() +{ + int indexOfLineStart; + int line; + TQTextStringChar *c = para->lineStartOfChar( idx, &indexOfLineStart, &line ); + if ( !c ) + return; + + if (tmpX < 0) + tmpX = x(); + + if ( indexOfLineStart == 0 ) { + if ( !para->prev() ) { + if ( !nestedDepth() ) + return; + pop(); + processNesting( Up ); + if ( idx == -1 ) { + pop(); + if ( !para->prev() ) + return; + idx = tmpX = 0; + } else { + tmpX = -1; + return; + } + } + TQTextParagraph *p = para->prev(); + while ( p && !p->isVisible() ) + p = p->prev(); + if ( p ) + para = p; + int lastLine = para->lines() - 1; + if ( !para->lineStartOfLine( lastLine, &indexOfLineStart ) ) + return; + idx = indexOfLineStart; + while (idx < para->length()-1 && para->at(idx)->x < tmpX) + ++idx; + if (idx > indexOfLineStart && + para->at(idx)->x - tmpX > tmpX - para->at(idx-1)->x) + --idx; + } else { + --line; + int oldIndexOfLineStart = indexOfLineStart; + if ( !para->lineStartOfLine( line, &indexOfLineStart ) ) + return; + idx = indexOfLineStart; + while (idx < oldIndexOfLineStart-1 && para->at(idx)->x < tmpX) + ++idx; + if (idx > indexOfLineStart && + para->at(idx)->x - tmpX > tmpX - para->at(idx-1)->x) + --idx; + } + fixCursorPosition(); +} + +void TQTextCursor::gotoDown() +{ + int indexOfLineStart; + int line; + TQTextStringChar *c = para->lineStartOfChar( idx, &indexOfLineStart, &line ); + if ( !c ) + return; + + if (tmpX < 0) + tmpX = x(); + if ( line == para->lines() - 1 ) { + if ( !para->next() ) { + if ( !nestedDepth() ) + return; + pop(); + processNesting( Down ); + if ( idx == -1 ) { + pop(); + if ( !para->next() ) + return; + idx = tmpX = 0; + } else { + tmpX = -1; + return; + } + } + TQTextParagraph *s = para->next(); + while ( s && !s->isVisible() ) + s = s->next(); + if ( s ) + para = s; + if ( !para->lineStartOfLine( 0, &indexOfLineStart ) ) + return; + int end; + if ( para->lines() == 1 ) + end = para->length(); + else + para->lineStartOfLine( 1, &end ); + + idx = indexOfLineStart; + while (idx < end-1 && para->at(idx)->x < tmpX) + ++idx; + if (idx > indexOfLineStart && + para->at(idx)->x - tmpX > tmpX - para->at(idx-1)->x) + --idx; + } else { + ++line; + int end; + if ( line == para->lines() - 1 ) + end = para->length(); + else + para->lineStartOfLine( line + 1, &end ); + if ( !para->lineStartOfLine( line, &indexOfLineStart ) ) + return; + idx = indexOfLineStart; + while (idx < end-1 && para->at(idx)->x < tmpX) + ++idx; + if (idx > indexOfLineStart && + para->at(idx)->x - tmpX > tmpX - para->at(idx-1)->x) + --idx; + } + fixCursorPosition(); +} + +void TQTextCursor::gotoLineEnd() +{ + tmpX = -1; + int indexOfLineStart; + int line; + TQTextStringChar *c = para->lineStartOfChar( idx, &indexOfLineStart, &line ); + if ( !c ) + return; + + if ( line == para->lines() - 1 ) { + idx = para->length() - 1; + } else { + c = para->lineStartOfLine( ++line, &indexOfLineStart ); + indexOfLineStart--; + idx = indexOfLineStart; + } +} + +void TQTextCursor::gotoLineStart() +{ + tmpX = -1; + int indexOfLineStart; + int line; + TQTextStringChar *c = para->lineStartOfChar( idx, &indexOfLineStart, &line ); + if ( !c ) + return; + + idx = indexOfLineStart; +} + +void TQTextCursor::gotoHome() +{ + if ( topParagraph()->document() ) + gotoPosition( topParagraph()->document()->firstParagraph() ); + else + gotoLineStart(); +} + +void TQTextCursor::gotoEnd() +{ + if ( topParagraph()->document() && topParagraph()->document()->lastParagraph()->isValid() ) + gotoPosition( topParagraph()->document()->lastParagraph(), + topParagraph()->document()->lastParagraph()->length() - 1); + else + gotoLineEnd(); +} + +void TQTextCursor::gotoPageUp( int visibleHeight ) +{ + int targetY = globalY() - visibleHeight; + TQTextParagraph* old; int index; + do { + old = para; index = idx; + gotoUp(); + } while ( (old != para || index != idx) && globalY() > targetY ); +} + +void TQTextCursor::gotoPageDown( int visibleHeight ) +{ + int targetY = globalY() + visibleHeight; + TQTextParagraph* old; int index; + do { + old = para; index = idx; + gotoDown(); + } while ( (old != para || index != idx) && globalY() < targetY ); +} + +void TQTextCursor::gotoWordRight() +{ + if ( para->string()->isRightToLeft() ) + gotoPreviousWord(); + else + gotoNextWord(); +} + +void TQTextCursor::gotoWordLeft() +{ + if ( para->string()->isRightToLeft() ) + gotoNextWord(); + else + gotoPreviousWord(); +} + +static bool is_seperator( const TQChar &c, bool onlySpace ) +{ + if ( onlySpace ) + return c.isSpace(); + return c.isSpace() || + c == '\t' || + c == '.' || + c == ',' || + c == ':' || + c == ';' || + c == '-' || + c == '<' || + c == '>' || + c == '[' || + c == ']' || + c == '(' || + c == ')' || + c == '{' || + c == '}'; +} + +void TQTextCursor::gotoPreviousWord( bool onlySpace ) +{ + gotoPreviousLetter(); + tmpX = -1; + TQTextString *s = para->string(); + bool allowSame = FALSE; + if ( idx == ((int)s->length()-1) ) + return; + for ( int i = idx; i >= 0; --i ) { + if ( is_seperator( s->at( i ).c, onlySpace ) ) { + if ( !allowSame ) + continue; + idx = i + 1; + return; + } + if ( !allowSame && !is_seperator( s->at( i ).c, onlySpace ) ) + allowSame = TRUE; + } + idx = 0; +} + +void TQTextCursor::gotoNextWord( bool onlySpace ) +{ + tmpX = -1; + TQTextString *s = para->string(); + bool allowSame = FALSE; + for ( int i = idx; i < (int)s->length(); ++i ) { + if ( !is_seperator( s->at( i ).c, onlySpace ) ) { + if ( !allowSame ) + continue; + idx = i; + return; + } + if ( !allowSame && is_seperator( s->at( i ).c, onlySpace ) ) + allowSame = TRUE; + + } + + if ( idx < ((int)s->length()-1) ) { + gotoLineEnd(); + } else if ( para->next() ) { + TQTextParagraph *p = para->next(); + while ( p && !p->isVisible() ) + p = p->next(); + if ( s ) { + para = p; + idx = 0; + } + } else { + gotoLineEnd(); + } +} + +bool TQTextCursor::atParagStart() +{ + return idx == 0; +} + +bool TQTextCursor::atParagEnd() +{ + return idx == para->length() - 1; +} + +void TQTextCursor::splitAndInsertEmptyParagraph( bool ind, bool updateIds ) +{ + if ( !para->document() ) + return; + tmpX = -1; + TQTextFormat *f = 0; + if ( para->document()->useFormatCollection() ) { + f = para->at( idx )->format(); + if ( idx == para->length() - 1 && idx > 0 ) + f = para->at( idx - 1 )->format(); + if ( f->isMisspelled() ) { + f->removeRef(); + f = para->document()->formatCollection()->format( f->font(), f->color() ); + } + } + + if ( atParagEnd() ) { + TQTextParagraph *n = para->next(); + TQTextParagraph *s = para->document()->createParagraph( para->document(), para, n, updateIds ); + if ( f ) + s->setFormat( 0, 1, f, TRUE ); + s->copyParagData( para ); + if ( ind ) { + int oi, ni; + s->indent( &oi, &ni ); + para = s; + idx = ni; + } else { + para = s; + idx = 0; + } + } else if ( atParagStart() ) { + TQTextParagraph *p = para->prev(); + TQTextParagraph *s = para->document()->createParagraph( para->document(), p, para, updateIds ); + if ( f ) + s->setFormat( 0, 1, f, TRUE ); + s->copyParagData( para ); + if ( ind ) { + s->indent(); + s->format(); + indent(); + para->format(); + } + } else { + TQString str = para->string()->toString().mid( idx, 0xFFFFFF ); + TQTextParagraph *n = para->next(); + TQTextParagraph *s = para->document()->createParagraph( para->document(), para, n, updateIds ); + s->copyParagData( para ); + s->remove( 0, 1 ); + s->append( str, TRUE ); + for ( uint i = 0; i < str.length(); ++i ) { + TQTextStringChar* tsc = para->at( idx + i ); + s->setFormat( i, 1, tsc->format(), TRUE ); +#ifndef QT_NO_TEXTCUSTOMITEM + if ( tsc->isCustom() ) { + TQTextCustomItem * item = tsc->customItem(); + s->at( i )->setCustomItem( item ); + tsc->loseCustomItem(); + } +#endif + if ( tsc->isAnchor() ) + s->at( i )->setAnchor( tsc->anchorName(), + tsc->anchorHref() ); + } + para->truncate( idx ); + if ( ind ) { + int oi, ni; + s->indent( &oi, &ni ); + para = s; + idx = ni; + } else { + para = s; + idx = 0; + } + } + + invalidateNested(); +} + +bool TQTextCursor::remove() +{ + tmpX = -1; + if ( !atParagEnd() ) { + int next = para->string()->nextCursorPosition( idx ); + para->remove( idx, next-idx ); + int h = para->rect().height(); + para->format( -1, TRUE ); + if ( h != para->rect().height() ) + invalidateNested(); + else if ( para->document() && para->document()->parent() ) + para->document()->nextDoubleBuffered = TRUE; + return FALSE; + } else if ( para->next() ) { + para->join( para->next() ); + invalidateNested(); + return TRUE; + } + return FALSE; +} + +/* needed to implement backspace the correct way */ +bool TQTextCursor::removePreviousChar() +{ + tmpX = -1; + if ( !atParagStart() ) { + para->remove( idx-1, 1 ); + int h = para->rect().height(); + idx--; + // shouldn't be needed, just to make sure. + fixCursorPosition(); + para->format( -1, TRUE ); + if ( h != para->rect().height() ) + invalidateNested(); + else if ( para->document() && para->document()->parent() ) + para->document()->nextDoubleBuffered = TRUE; + return FALSE; + } else if ( para->prev() ) { + para = para->prev(); + para->join( para->next() ); + invalidateNested(); + return TRUE; + } + return FALSE; +} + +void TQTextCursor::indent() +{ + int oi = 0, ni = 0; + para->indent( &oi, &ni ); + if ( oi == ni ) + return; + + if ( idx >= oi ) + idx += ni - oi; + else + idx = ni; +} + +void TQTextCursor::fixCursorPosition() +{ + // searches for the closest valid cursor position + if ( para->string()->validCursorPosition( idx ) ) + return; + + int lineIdx; + TQTextStringChar *start = para->lineStartOfChar( idx, &lineIdx, 0 ); + int x = para->string()->at( idx ).x; + int diff = TQABS(start->x - x); + int best = lineIdx; + + TQTextStringChar *c = start; + ++c; + + TQTextStringChar *end = ¶->string()->at( para->length()-1 ); + while ( c <= end && !c->lineStart ) { + int xp = c->x; + if ( c->rightToLeft ) + xp += para->string()->width( lineIdx + (c-start) ); + int ndiff = TQABS(xp - x); + if ( ndiff < diff && para->string()->validCursorPosition(lineIdx + (c-start)) ) { + diff = ndiff; + best = lineIdx + (c-start); + } + ++c; + } + idx = best; +} + + +// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +TQTextDocument::TQTextDocument( TQTextDocument *p ) + : par( p ), parentPar( 0 ) +#ifndef QT_NO_TEXTCUSTOMITEM + , tc( 0 ) +#endif + , tArray( 0 ), tStopWidth( 0 ) +{ + fCollection = par ? par->fCollection : new TQTextFormatCollection; + init(); +} + +void TQTextDocument::init() +{ + oTextValid = TRUE; + mightHaveCustomItems = FALSE; + if ( par ) + par->insertChild( this ); + pProcessor = 0; + useFC = TRUE; + pFormatter = 0; + indenter = 0; + fParag = 0; + txtFormat = TQt::AutoText; + preferRichText = FALSE; + pages = FALSE; + focusIndicator.parag = 0; + minw = 0; + wused = 0; + minwParag = curParag = 0; + align = AlignAuto; + nSelections = 1; + + setStyleSheet( TQStyleSheet::defaultSheet() ); +#ifndef QT_NO_MIME + factory_ = TQMimeSourceFactory::defaultFactory(); +#endif + contxt = TQString::null; + + underlLinks = par ? par->underlLinks : TRUE; + backBrush = 0; + buf_pixmap = 0; + nextDoubleBuffered = FALSE; + + if ( par ) + withoutDoubleBuffer = par->withoutDoubleBuffer; + else + withoutDoubleBuffer = FALSE; + + lParag = fParag = createParagraph( this, 0, 0 ); + + cx = 0; + cy = 2; + if ( par ) + cx = cy = 0; + cw = 600; + vw = 0; + flow_ = new TQTextFlow; + flow_->setWidth( cw ); + + leftmargin = rightmargin = 4; + scaleFontsFactor = 1; + + + selectionColors[ Standard ] = TQApplication::palette().color( TQPalette::Active, TQColorGroup::Highlight ); + selectionText[ Standard ] = TRUE; + selectionText[ IMSelectionText ] = TRUE; + selectionText[ IMCompositionText ] = FALSE; + commandHistory = new TQTextCommandHistory( 100 ); + tStopWidth = formatCollection()->defaultFormat()->width( 'x' ) * 8; +} + +TQTextDocument::~TQTextDocument() +{ + delete commandHistory; + if ( par ) + par->removeChild( this ); + clear(); + delete flow_; + if ( !par ) { + delete pFormatter; + delete fCollection; + } + delete pProcessor; + delete buf_pixmap; + delete indenter; + delete backBrush; + delete [] tArray; +} + +void TQTextDocument::clear( bool createEmptyParag ) +{ + while ( fParag ) { + TQTextParagraph *p = fParag->next(); + delete fParag; + fParag = p; + } + if ( flow_ ) + flow_->clear(); + fParag = lParag = 0; + if ( createEmptyParag ) + fParag = lParag = createParagraph( this ); + focusIndicator.parag = 0; + selections.clear(); + oText = TQString::null; + oTextValid = FALSE; +} + +int TQTextDocument::widthUsed() const +{ + return wused + 2*border_tolerance; +} + +int TQTextDocument::height() const +{ + int h = 0; + if ( lParag ) + h = lParag->rect().top() + lParag->rect().height() + 1; + int fh = flow_->boundingRect().bottom(); + return TQMAX( h, fh ); +} + + + +TQTextParagraph *TQTextDocument::createParagraph( TQTextDocument *d, TQTextParagraph *pr, TQTextParagraph *nx, bool updateIds ) +{ + return new TQTextParagraph( d, pr, nx, updateIds ); +} + +bool TQTextDocument::setMinimumWidth( int needed, int used, TQTextParagraph *p ) +{ + if ( needed == -1 ) { + minw = 0; + wused = 0; + p = 0; + } + if ( p == minwParag ) { + if (minw > needed) { + TQTextParagraph *tp = fParag; + while (tp) { + if (tp != p && tp->minwidth > needed) { + needed = tp->minwidth; + minwParag = tp; + } + tp = tp->n; + } + } + minw = needed; + emit minimumWidthChanged( minw ); + } else if ( needed > minw ) { + minw = needed; + minwParag = p; + emit minimumWidthChanged( minw ); + } + wused = TQMAX( wused, used ); + wused = TQMAX( wused, minw ); + cw = TQMAX( minw, cw ); + return TRUE; +} + +void TQTextDocument::setPlainText( const TQString &text ) +{ + preferRichText = FALSE; + clear(); + oTextValid = TRUE; + oText = text; + + int lastNl = 0; + int nl = text.find( '\n' ); + if ( nl == -1 ) { + lParag = createParagraph( this, lParag, 0 ); + if ( !fParag ) + fParag = lParag; + TQString s = text; + if ( !s.isEmpty() ) { + if ( s[ (int)s.length() - 1 ] == '\r' ) + s.remove( s.length() - 1, 1 ); + lParag->append( s ); + } + } else { + for (;;) { + lParag = createParagraph( this, lParag, 0 ); + if ( !fParag ) + fParag = lParag; + int l = nl - lastNl; + if ( l > 0 ) { + if (text.unicode()[nl-1] == '\r') + l--; + TQConstString cs(text.unicode()+lastNl, l); + lParag->append( cs.string() ); + } + if ( nl == (int)text.length() ) + break; + lastNl = nl + 1; + nl = text.find( '\n', nl + 1 ); + if ( nl == -1 ) + nl = text.length(); + } + } + if ( !lParag ) + lParag = fParag = createParagraph( this, 0, 0 ); +} + +struct Q_EXPORT TQTextDocumentTag { + TQTextDocumentTag(){} + TQTextDocumentTag( const TQString&n, const TQStyleSheetItem* s, const TQTextFormat& f ) + :name(n),style(s), format(f), alignment(TQt::AlignAuto), direction(TQChar::DirON),liststyle(TQStyleSheetItem::ListDisc) { + wsm = TQStyleSheetItem::WhiteSpaceNormal; + } + TQString name; + const TQStyleSheetItem* style; + TQString anchorHref; + TQStyleSheetItem::WhiteSpaceMode wsm; + TQTextFormat format; + int alignment : 16; + int direction : 5; + TQStyleSheetItem::ListStyle liststyle; + + TQTextDocumentTag( const TQTextDocumentTag& t ) { + name = t.name; + style = t.style; + anchorHref = t.anchorHref; + wsm = t.wsm; + format = t.format; + alignment = t.alignment; + direction = t.direction; + liststyle = t.liststyle; + } + TQTextDocumentTag& operator=(const TQTextDocumentTag& t) { + name = t.name; + style = t.style; + anchorHref = t.anchorHref; + wsm = t.wsm; + format = t.format; + alignment = t.alignment; + direction = t.direction; + liststyle = t.liststyle; + return *this; + } + + Q_DUMMY_COMPARISON_OPERATOR(TQTextDocumentTag) +}; + + +#define NEWPAR do{ if ( !hasNewPar) { \ + if ( !textEditMode && curpar && curpar->length()>1 && curpar->at( curpar->length()-2)->c == TQChar_linesep ) \ + curpar->remove( curpar->length()-2, 1 ); \ + curpar = createParagraph( this, curpar, curpar->next() ); styles.append( vec ); vec = 0;} \ + hasNewPar = TRUE; \ + curpar->rtext = TRUE; \ + curpar->align = curtag.alignment; \ + curpar->lstyle = curtag.liststyle; \ + curpar->litem = ( curtag.style->displayMode() == TQStyleSheetItem::DisplayListItem ); \ + curpar->str->setDirection( (TQChar::Direction)curtag.direction ); \ + space = TRUE; \ + tabExpansionColumn = 0; \ + delete vec; vec = new TQPtrVector<TQStyleSheetItem>( (uint)tags.count() + 1); \ + int i = 0; \ + for ( TQValueStack<TQTextDocumentTag>::Iterator it = tags.begin(); it != tags.end(); ++it ) \ + vec->insert( i++, (*it).style ); \ + vec->insert( i, curtag.style ); \ + }while(FALSE); + + +void TQTextDocument::setRichText( const TQString &text, const TQString &context, const TQTextFormat *initialFormat ) +{ + preferRichText = TRUE; + if ( !context.isEmpty() ) + setContext( context ); + clear(); + fParag = lParag = createParagraph( this ); + oTextValid = TRUE; + oText = text; + setRichTextInternal( text, 0, initialFormat ); + fParag->rtext = TRUE; +} + +void TQTextDocument::setRichTextInternal( const TQString &text, TQTextCursor* cursor, const TQTextFormat *initialFormat ) +{ + TQTextParagraph* curpar = lParag; + int pos = 0; + TQValueStack<TQTextDocumentTag> tags; + if ( !initialFormat ) + initialFormat = formatCollection()->defaultFormat(); + TQTextDocumentTag initag( "", sheet_->item(""), *initialFormat ); + if ( bodyText.isValid() ) + initag.format.setColor( bodyText ); + TQTextDocumentTag curtag = initag; + bool space = TRUE; + bool canMergeLi = FALSE; + + bool textEditMode = FALSE; + int tabExpansionColumn = 0; + + const TQChar* doc = text.unicode(); + int length = text.length(); + bool hasNewPar = curpar->length() <= 1; + TQString anchorName; + + // style sheet handling for margin and line spacing calculation below + TQTextParagraph* stylesPar = curpar; + TQPtrVector<TQStyleSheetItem>* vec = 0; + TQPtrList< TQPtrVector<TQStyleSheetItem> > styles; + styles.setAutoDelete( TRUE ); + + if ( cursor ) { + cursor->splitAndInsertEmptyParagraph(); + TQTextCursor tmp = *cursor; + tmp.gotoPreviousLetter(); + stylesPar = curpar = tmp.paragraph(); + hasNewPar = TRUE; + textEditMode = TRUE; + } else { + NEWPAR; + } + + // set rtext spacing to FALSE for the initial paragraph. + curpar->rtext = FALSE; + + TQString wellKnownTags = "br hr wsp table qt body meta title"; + + while ( pos < length ) { + if ( hasPrefix(doc, length, pos, '<' ) ){ + if ( !hasPrefix( doc, length, pos+1, TQChar('/') ) ) { + // open tag + TQMap<TQString, TQString> attr; + bool emptyTag = FALSE; + TQString tagname = parseOpenTag(doc, length, pos, attr, emptyTag); + if ( tagname.isEmpty() ) + continue; // nothing we could do with this, probably parse error + + const TQStyleSheetItem* nstyle = sheet_->item(tagname); + + if ( nstyle ) { + // we might have to close some 'forgotten' tags + while ( !nstyle->allowedInContext( curtag.style ) ) { + TQString msg; + msg.sprintf( "TQText Warning: Document not valid ( '%s' not allowed in '%s' #%d)", + tagname.ascii(), curtag.style->name().ascii(), pos); + sheet_->error( msg ); + if ( tags.isEmpty() ) + break; + curtag = tags.pop(); + } + + /* special handling for p and li for HTML + compatibility. We do not want to embed blocks in + p, and we do not want new blocks inside non-empty + lis. Plus we want to merge empty lis sometimes. */ + if( nstyle->displayMode() == TQStyleSheetItem::DisplayListItem ) { + canMergeLi = TRUE; + } else if ( nstyle->displayMode() == TQStyleSheetItem::DisplayBlock ) { + while ( curtag.style->name() == "p" ) { + if ( tags.isEmpty() ) + break; + curtag = tags.pop(); + } + + if ( curtag.style->displayMode() == TQStyleSheetItem::DisplayListItem ) { + // we are in a li and a new block comes along + if ( nstyle->name() == "ul" || nstyle->name() == "ol" ) + hasNewPar = FALSE; // we want an empty li (like most browsers) + if ( !hasNewPar ) { + /* do not add new blocks inside + non-empty lis */ + while ( curtag.style->displayMode() == TQStyleSheetItem::DisplayListItem ) { + if ( tags.isEmpty() ) + break; + curtag = tags.pop(); + } + } else if ( canMergeLi ) { + /* we have an empty li and a block + comes along, merge them */ + nstyle = curtag.style; + } + canMergeLi = FALSE; + } + } + } + +#ifndef QT_NO_TEXTCUSTOMITEM + TQTextCustomItem* custom = 0; +#else + bool custom = FALSE; +#endif + + // some well-known tags, some have a nstyle, some not + if ( wellKnownTags.find( tagname ) != -1 ) { + if ( tagname == "br" ) { + emptyTag = space = TRUE; + int index = TQMAX( curpar->length(),1) - 1; + TQTextFormat format = curtag.format.makeTextFormat( nstyle, attr, scaleFontsFactor ); + curpar->append( TQChar_linesep ); + curpar->setFormat( index, 1, &format ); + hasNewPar = false; + } else if ( tagname == "hr" ) { + emptyTag = space = TRUE; +#ifndef QT_NO_TEXTCUSTOMITEM + custom = sheet_->tag( tagname, attr, contxt, *factory_ , emptyTag, this ); +#endif + } else if ( tagname == "table" ) { + emptyTag = space = TRUE; +#ifndef QT_NO_TEXTCUSTOMITEM + TQTextFormat format = curtag.format.makeTextFormat( nstyle, attr, scaleFontsFactor ); + curpar->setAlignment( curtag.alignment ); + custom = parseTable( attr, format, doc, length, pos, curpar ); +#endif + } else if ( tagname == "qt" || tagname == "body" ) { + if ( attr.contains( "bgcolor" ) ) { + TQBrush *b = new TQBrush( TQColor( attr["bgcolor"] ) ); + setPaper( b ); + } + if ( attr.contains( "background" ) ) { +#ifndef QT_NO_MIME + TQImage img; + TQString bg = attr["background"]; + const TQMimeSource* m = factory_->data( bg, contxt ); + if ( !m ) { + qWarning("TQRichText: no mimesource for %s", bg.latin1() ); + } else { + if ( !TQImageDrag::decode( m, img ) ) { + qWarning("TQTextImage: cannot decode %s", bg.latin1() ); + } + } + if ( !img.isNull() ) { + TQBrush *b = new TQBrush( TQColor(), TQPixmap( img ) ); + setPaper( b ); + } +#endif + } + if ( attr.contains( "text" ) ) { + TQColor c( attr["text"] ); + initag.format.setColor( c ); + curtag.format.setColor( c ); + bodyText = c; + } + if ( attr.contains( "link" ) ) + linkColor = TQColor( attr["link"] ); + if ( attr.contains( "title" ) ) + attribs.replace( "title", attr["title"] ); + + if ( textEditMode ) { + if ( attr.contains("style" ) ) { + TQString a = attr["style"]; + for ( int s = 0; s < a.contains(';')+1; s++ ) { + TQString style = a.section( ';', s, s ); + if ( style.startsWith("font-size:" ) && style.endsWith("pt") ) { + scaleFontsFactor = double( formatCollection()->defaultFormat()->fn.pointSize() ) / + style.mid( 10, style.length() - 12 ).toInt(); + } + } + } + nstyle = 0; // ignore body in textEditMode + } + // end qt- and body-tag handling + } else if ( tagname == "meta" ) { + if ( attr["name"] == "qrichtext" && attr["content"] == "1" ) + textEditMode = TRUE; + } else if ( tagname == "title" ) { + TQString title; + while ( pos < length ) { + if ( hasPrefix( doc, length, pos, TQChar('<') ) && hasPrefix( doc, length, pos+1, TQChar('/') ) && + parseCloseTag( doc, length, pos ) == "title" ) + break; + title += doc[ pos ]; + ++pos; + } + attribs.replace( "title", title ); + } + } // end of well-known tag handling + +#ifndef QT_NO_TEXTCUSTOMITEM + if ( !custom ) // try generic custom item + custom = sheet_->tag( tagname, attr, contxt, *factory_ , emptyTag, this ); +#endif + if ( !nstyle && !custom ) // we have no clue what this tag could be, ignore it + continue; + + if ( custom ) { +#ifndef QT_NO_TEXTCUSTOMITEM + int index = TQMAX( curpar->length(),1) - 1; + TQTextFormat format = curtag.format.makeTextFormat( nstyle, attr, scaleFontsFactor ); + curpar->append( TQChar('*') ); + TQTextFormat* f = formatCollection()->format( &format ); + curpar->setFormat( index, 1, f ); + curpar->at( index )->setCustomItem( custom ); + if ( !curtag.anchorHref.isEmpty() ) + curpar->at(index)->setAnchor( TQString::null, curtag.anchorHref ); + if ( !anchorName.isEmpty() ) { + curpar->at(index)->setAnchor( anchorName, curpar->at(index)->anchorHref() ); + anchorName = TQString::null; + } + registerCustomItem( custom, curpar ); + hasNewPar = FALSE; +#endif + } else if ( !emptyTag ) { + /* if we do nesting, push curtag on the stack, + otherwise reinint curag. */ + if ( curtag.style->name() != tagname || nstyle->selfNesting() ) { + tags.push( curtag ); + } else { + if ( !tags.isEmpty() ) + curtag = tags.top(); + else + curtag = initag; + } + + curtag.name = tagname; + curtag.style = nstyle; + curtag.name = tagname; + curtag.style = nstyle; + if ( nstyle->whiteSpaceMode() != TQStyleSheetItem::WhiteSpaceModeUndefined ) + curtag.wsm = nstyle->whiteSpaceMode(); + + /* netscape compatibility: eat a newline and only a newline if a pre block starts */ + if ( curtag.wsm == TQStyleSheetItem::WhiteSpacePre && + nstyle->displayMode() == TQStyleSheetItem::DisplayBlock ) + eat( doc, length, pos, '\n' ); + + /* ignore whitespace for inline elements if there + was already one*/ + if ( !textEditMode && + (curtag.wsm == TQStyleSheetItem::WhiteSpaceNormal + || curtag.wsm == TQStyleSheetItem::WhiteSpaceNoWrap) + && ( space || nstyle->displayMode() != TQStyleSheetItem::DisplayInline ) ) + eatSpace( doc, length, pos ); + + curtag.format = curtag.format.makeTextFormat( nstyle, attr, scaleFontsFactor ); + if ( nstyle->isAnchor() ) { + if ( !anchorName.isEmpty() ) + anchorName += "#" + attr["name"]; + else + anchorName = attr["name"]; + curtag.anchorHref = attr["href"]; + } + + if ( nstyle->alignment() != TQStyleSheetItem::Undefined ) + curtag.alignment = nstyle->alignment(); + + if ( nstyle->listStyle() != TQStyleSheetItem::ListStyleUndefined ) + curtag.liststyle = nstyle->listStyle(); + + if ( nstyle->displayMode() == TQStyleSheetItem::DisplayBlock + || nstyle->displayMode() == TQStyleSheetItem::DisplayListItem ) { + + if ( nstyle->name() == "ol" || nstyle->name() == "ul" || nstyle->name() == "li") { + TQString type = attr["type"]; + if ( !type.isEmpty() ) { + if ( type == "1" ) { + curtag.liststyle = TQStyleSheetItem::ListDecimal; + } else if ( type == "a" ) { + curtag.liststyle = TQStyleSheetItem::ListLowerAlpha; + } else if ( type == "A" ) { + curtag.liststyle = TQStyleSheetItem::ListUpperAlpha; + } else { + type = type.lower(); + if ( type == "square" ) + curtag.liststyle = TQStyleSheetItem::ListSquare; + else if ( type == "disc" ) + curtag.liststyle = TQStyleSheetItem::ListDisc; + else if ( type == "circle" ) + curtag.liststyle = TQStyleSheetItem::ListCircle; + } + } + } + + + /* Internally we treat ordered and bullet + lists the same for margin calculations. In + order to have fast pointer compares in the + xMargin() functions we restrict ourselves to + <ol>. Once we calculate the margins in the + parser rathern than later, the unelegance of + this approach goes awy + */ + if ( nstyle->name() == "ul" ) + curtag.style = sheet_->item( "ol" ); + + if ( attr.contains( "align" ) ) { + TQString align = attr["align"].lower(); + if ( align == "center" ) + curtag.alignment = TQt::AlignCenter; + else if ( align == "right" ) + curtag.alignment = TQt::AlignRight; + else if ( align == "justify" ) + curtag.alignment = TQt::AlignJustify; + } + if ( attr.contains( "dir" ) ) { + TQString dir = attr["dir"]; + if ( dir == "rtl" ) + curtag.direction = TQChar::DirR; + else if ( dir == "ltr" ) + curtag.direction = TQChar::DirL; + } + + NEWPAR; + + if ( curtag.style->displayMode() == TQStyleSheetItem::DisplayListItem ) { + if ( attr.contains( "value " ) ) + curpar->setListValue( attr["value"].toInt() ); + } + + if ( attr.contains( "style" ) ) { + TQString a = attr["style"]; + bool ok = TRUE; + for ( int s = 0; ok && s < a.contains(';')+1; s++ ) { + TQString style = a.section( ';', s, s ); + if ( style.startsWith("margin-top:" ) && style.endsWith("px") ) + curpar->utm = 1+style.mid(11, style.length() - 13).toInt(&ok); + else if ( style.startsWith("margin-bottom:" ) && style.endsWith("px") ) + curpar->ubm = 1+style.mid(14, style.length() - 16).toInt(&ok); + else if ( style.startsWith("margin-left:" ) && style.endsWith("px") ) + curpar->ulm = 1+style.mid(12, style.length() - 14).toInt(&ok); + else if ( style.startsWith("margin-right:" ) && style.endsWith("px") ) + curpar->urm = 1+style.mid(13, style.length() - 15).toInt(&ok); + else if ( style.startsWith("text-indent:" ) && style.endsWith("px") ) + curpar->uflm = 1+style.mid(12, style.length() - 14).toInt(&ok); + } + if ( !ok ) // be pressmistic + curpar->utm = curpar->ubm = curpar->urm = curpar->ulm = 0; + } + } + } + } else { + TQString tagname = parseCloseTag( doc, length, pos ); + if ( tagname.isEmpty() ) + continue; // nothing we could do with this, probably parse error + if ( !sheet_->item( tagname ) ) // ignore unknown tags + continue; + if ( tagname == "li" ) + continue; + + // we close a block item. Since the text may continue, we need to have a new paragraph + bool needNewPar = curtag.style->displayMode() == TQStyleSheetItem::DisplayBlock + || curtag.style->displayMode() == TQStyleSheetItem::DisplayListItem; + + + // html slopiness: handle unbalanched tag closing + while ( curtag.name != tagname ) { + TQString msg; + msg.sprintf( "TQText Warning: Document not valid ( '%s' not closed before '%s' #%d)", + curtag.name.ascii(), tagname.ascii(), pos); + sheet_->error( msg ); + if ( tags.isEmpty() ) + break; + curtag = tags.pop(); + } + + + // close the tag + if ( !tags.isEmpty() ) + curtag = tags.pop(); + else + curtag = initag; + + if ( needNewPar ) { + if ( textEditMode && (tagname == "p" || tagname == "div" ) ) // preserve empty paragraphs + hasNewPar = FALSE; + NEWPAR; + } + } + } else { + // normal contents + TQString s; + TQChar c; + while ( pos < length && !hasPrefix(doc, length, pos, TQChar('<') ) ){ + if ( textEditMode ) { + // text edit mode: we handle all white space but ignore newlines + c = parseChar( doc, length, pos, TQStyleSheetItem::WhiteSpacePre ); + if ( c == TQChar_linesep ) + break; + } else { + int l = pos; + c = parseChar( doc, length, pos, curtag.wsm ); + + // in white space pre mode: treat any space as non breakable + // and expand tabs to eight character wide columns. + if ( curtag.wsm == TQStyleSheetItem::WhiteSpacePre ) { + if ( c == '\t' ) { + c = ' '; + while( (++tabExpansionColumn)%8 ) + s += c; + } + if ( c == TQChar_linesep ) + tabExpansionColumn = 0; + else + tabExpansionColumn++; + + } + if ( c == ' ' || c == TQChar_linesep ) { + /* avoid overlong paragraphs by forcing a new + paragraph after 4096 characters. This case can + occur when loading undiscovered plain text + documents in rich text mode. Instead of hanging + forever, we do the trick. + */ + if ( curtag.wsm == TQStyleSheetItem::WhiteSpaceNormal && s.length() > 4096 ) do { + if ( doc[l] == '\n' ) { + hasNewPar = FALSE; // for a new paragraph ... + NEWPAR; + hasNewPar = FALSE; // ... and make it non-reusable + c = '\n'; // make sure we break below + break; + } + } while ( ++l < pos ); + } + } + + if ( c == '\n' ) + break; // break on newlines, pre delievers a TQChar_linesep + + bool c_isSpace = c.isSpace() && c.unicode() != 0x00a0U && !textEditMode; + + if ( curtag.wsm == TQStyleSheetItem::WhiteSpaceNormal && c_isSpace && space ) + continue; + if ( c == '\r' ) + continue; + space = c_isSpace; + s += c; + } + if ( !s.isEmpty() && curtag.style->displayMode() != TQStyleSheetItem::DisplayNone ) { + hasNewPar = FALSE; + int index = TQMAX( curpar->length(),1) - 1; + curpar->append( s ); + if (curtag.wsm != TQStyleSheetItem::WhiteSpaceNormal) { + TQTextString *str = curpar->string(); + for (uint i = index; i < index + s.length(); ++i) + str->at(i).nobreak = TRUE; + } + + TQTextFormat* f = formatCollection()->format( &curtag.format ); + curpar->setFormat( index, s.length(), f, FALSE ); // do not use collection because we have done that already + f->ref += s.length() -1; // that what friends are for... + if ( !curtag.anchorHref.isEmpty() ) { + for ( int i = 0; i < int(s.length()); i++ ) + curpar->at(index + i)->setAnchor( TQString::null, curtag.anchorHref ); + } + if ( !anchorName.isEmpty() ) { + for ( int i = 0; i < int(s.length()); i++ ) + curpar->at(index + i)->setAnchor( anchorName, curpar->at(index + i)->anchorHref() ); + anchorName = TQString::null; + } + } + } + } + + if ( hasNewPar && curpar != fParag && !cursor && stylesPar != curpar ) { + // cleanup unused last paragraphs + curpar = curpar->p; + delete curpar->n; + } + + if ( !anchorName.isEmpty() ) { + curpar->at(curpar->length() - 1)->setAnchor( anchorName, curpar->at( curpar->length() - 1 )->anchorHref() ); + anchorName = TQString::null; + } + + + setRichTextMarginsInternal( styles, stylesPar ); + + if ( cursor ) { + cursor->gotoPreviousLetter(); + cursor->remove(); + } + delete vec; +} + +void TQTextDocument::setRichTextMarginsInternal( TQPtrList< TQPtrVector<TQStyleSheetItem> >& styles, TQTextParagraph* stylesPar ) +{ + // margin and line spacing calculation + TQPtrVector<TQStyleSheetItem>* prevStyle = 0; + TQPtrVector<TQStyleSheetItem>* curStyle = styles.first(); + TQPtrVector<TQStyleSheetItem>* nextStyle = styles.next(); + while ( stylesPar ) { + if ( !curStyle ) { + stylesPar = stylesPar->next(); + prevStyle = curStyle; + curStyle = nextStyle; + nextStyle = styles.next(); + continue; + } + + int i, mar; + TQStyleSheetItem* mainStyle = curStyle->size() ? (*curStyle)[curStyle->size()-1] : 0; + if ( mainStyle && mainStyle->displayMode() == TQStyleSheetItem::DisplayListItem ) + stylesPar->setListItem( TRUE ); + int numLists = 0; + for ( i = 0; i < (int)curStyle->size(); ++i ) { + if ( (*curStyle)[ i ]->displayMode() == TQStyleSheetItem::DisplayBlock + && (*curStyle)[ i ]->listStyle() != TQStyleSheetItem::ListStyleUndefined ) + numLists++; + } + stylesPar->ldepth = numLists; + if ( stylesPar->next() && nextStyle ) { + // also set the depth of the next paragraph, retquired for the margin calculation + numLists = 0; + for ( i = 0; i < (int)nextStyle->size(); ++i ) { + if ( (*nextStyle)[ i ]->displayMode() == TQStyleSheetItem::DisplayBlock + && (*nextStyle)[ i ]->listStyle() != TQStyleSheetItem::ListStyleUndefined ) + numLists++; + } + stylesPar->next()->ldepth = numLists; + } + + // do the top margin + TQStyleSheetItem* item = mainStyle; + int m; + if (stylesPar->utm > 0 ) { + m = stylesPar->utm-1; + stylesPar->utm = 0; + } else { + m = TQMAX(0, item->margin( TQStyleSheetItem::MarginTop ) ); + if ( stylesPar->ldepth ) + if ( item->displayMode() == TQStyleSheetItem::DisplayListItem ) + m /= stylesPar->ldepth * stylesPar->ldepth; + else + m = 0; + } + for ( i = (int)curStyle->size() - 2 ; i >= 0; --i ) { + item = (*curStyle)[ i ]; + if ( prevStyle && i < (int) prevStyle->size() && + ( item->displayMode() == TQStyleSheetItem::DisplayBlock && + (*prevStyle)[ i ] == item ) ) + break; + // emulate CSS2' standard 0 vertical margin for multiple ul or ol tags + if ( item->listStyle() != TQStyleSheetItem::ListStyleUndefined && + ( ( i> 0 && (*curStyle)[ i-1 ] == item ) || (*curStyle)[i+1] == item ) ) + continue; + mar = TQMAX( 0, item->margin( TQStyleSheetItem::MarginTop ) ); + m = TQMAX( m, mar ); + } + stylesPar->utm = m - stylesPar->topMargin(); + + // do the bottom margin + item = mainStyle; + if (stylesPar->ubm > 0 ) { + m = stylesPar->ubm-1; + stylesPar->ubm = 0; + } else { + m = TQMAX(0, item->margin( TQStyleSheetItem::MarginBottom ) ); + if ( stylesPar->ldepth ) + if ( item->displayMode() == TQStyleSheetItem::DisplayListItem ) + m /= stylesPar->ldepth * stylesPar->ldepth; + else + m = 0; + } + for ( i = (int)curStyle->size() - 2 ; i >= 0; --i ) { + item = (*curStyle)[ i ]; + if ( nextStyle && i < (int) nextStyle->size() && + ( item->displayMode() == TQStyleSheetItem::DisplayBlock && + (*nextStyle)[ i ] == item ) ) + break; + // emulate CSS2' standard 0 vertical margin for multiple ul or ol tags + if ( item->listStyle() != TQStyleSheetItem::ListStyleUndefined && + ( ( i> 0 && (*curStyle)[ i-1 ] == item ) || (*curStyle)[i+1] == item ) ) + continue; + mar = TQMAX(0, item->margin( TQStyleSheetItem::MarginBottom ) ); + m = TQMAX( m, mar ); + } + stylesPar->ubm = m - stylesPar->bottomMargin(); + + // do the left margin, simplyfied + item = mainStyle; + if (stylesPar->ulm > 0 ) { + m = stylesPar->ulm-1; + stylesPar->ulm = 0; + } else { + m = TQMAX( 0, item->margin( TQStyleSheetItem::MarginLeft ) ); + } + for ( i = (int)curStyle->size() - 2 ; i >= 0; --i ) { + item = (*curStyle)[ i ]; + m += TQMAX( 0, item->margin( TQStyleSheetItem::MarginLeft ) ); + } + stylesPar->ulm = m - stylesPar->leftMargin(); + + // do the right margin, simplyfied + item = mainStyle; + if (stylesPar->urm > 0 ) { + m = stylesPar->urm-1; + stylesPar->urm = 0; + } else { + m = TQMAX( 0, item->margin( TQStyleSheetItem::MarginRight ) ); + } + for ( i = (int)curStyle->size() - 2 ; i >= 0; --i ) { + item = (*curStyle)[ i ]; + m += TQMAX( 0, item->margin( TQStyleSheetItem::MarginRight ) ); + } + stylesPar->urm = m - stylesPar->rightMargin(); + + // do the first line margin, which really should be called text-indent + item = mainStyle; + if (stylesPar->uflm > 0 ) { + m = stylesPar->uflm-1; + stylesPar->uflm = 0; + } else { + m = TQMAX( 0, item->margin( TQStyleSheetItem::MarginFirstLine ) ); + } + for ( i = (int)curStyle->size() - 2 ; i >= 0; --i ) { + item = (*curStyle)[ i ]; + mar = TQMAX( 0, item->margin( TQStyleSheetItem::MarginFirstLine ) ); + m = TQMAX( m, mar ); + } + stylesPar->uflm =m - stylesPar->firstLineMargin(); + + // do the bogus line "spacing", which really is just an extra margin + item = mainStyle; + for ( i = (int)curStyle->size() - 1 ; i >= 0; --i ) { + item = (*curStyle)[ i ]; + if ( item->lineSpacing() != TQStyleSheetItem::Undefined ) { + stylesPar->ulinespacing = item->lineSpacing(); + if ( formatCollection() && + stylesPar->ulinespacing < formatCollection()->defaultFormat()->height() ) + stylesPar->ulinespacing += formatCollection()->defaultFormat()->height(); + break; + } + } + + stylesPar = stylesPar->next(); + prevStyle = curStyle; + curStyle = nextStyle; + nextStyle = styles.next(); + } +} + +void TQTextDocument::setText( const TQString &text, const TQString &context ) +{ + focusIndicator.parag = 0; + selections.clear(); + if ( txtFormat == TQt::AutoText && TQStyleSheet::mightBeRichText( text ) || + txtFormat == TQt::RichText ) + setRichText( text, context ); + else + setPlainText( text ); +} + +TQString TQTextDocument::plainText() const +{ + TQString buffer; + TQString s; + TQTextParagraph *p = fParag; + while ( p ) { + if ( !p->mightHaveCustomItems ) { + const TQTextString *ts = p->string(); // workaround VC++ and Borland + s = ts->toString(); // with FALSE we don't fix spaces (nbsp) + } else { + for ( int i = 0; i < p->length() - 1; ++i ) { +#ifndef QT_NO_TEXTCUSTOMITEM + if ( p->at( i )->isCustom() ) { + if ( p->at( i )->customItem()->isNested() ) { + s += "\n"; + TQTextTable *t = (TQTextTable*)p->at( i )->customItem(); + TQPtrList<TQTextTableCell> cells = t->tableCells(); + for ( TQTextTableCell *c = cells.first(); c; c = cells.next() ) + s += c->richText()->plainText() + "\n"; + s += "\n"; + } + } else +#endif + { + s += p->at( i )->c; + } + } + } + s.remove( s.length() - 1, 1 ); + if ( p->next() ) + s += "\n"; + buffer += s; + p = p->next(); + } + return buffer; +} + +static TQString align_to_string( int a ) +{ + if ( a & TQt::AlignRight ) + return " align=\"right\""; + if ( a & TQt::AlignHCenter ) + return " align=\"center\""; + if ( a & TQt::AlignJustify ) + return " align=\"justify\""; + return TQString::null; +} + +static TQString direction_to_string( int d ) +{ + if ( d != TQChar::DirON ) + return ( d == TQChar::DirL? " dir=\"ltr\"" : " dir=\"rtl\"" ); + return TQString::null; +} + +static TQString list_value_to_string( int v ) +{ + if ( v != -1 ) + return " listvalue=\"" + TQString::number( v ) + "\""; + return TQString::null; +} + +static TQString list_style_to_string( int v ) +{ + switch( v ) { + case TQStyleSheetItem::ListDecimal: return "\"1\""; + case TQStyleSheetItem::ListLowerAlpha: return "\"a\""; + case TQStyleSheetItem::ListUpperAlpha: return "\"A\""; + case TQStyleSheetItem::ListDisc: return "\"disc\""; + case TQStyleSheetItem::ListSquare: return "\"square\""; + case TQStyleSheetItem::ListCircle: return "\"circle\""; + default: + return TQString::null; + } +} + +static inline bool list_is_ordered( int v ) +{ + return v == TQStyleSheetItem::ListDecimal || + v == TQStyleSheetItem::ListLowerAlpha || + v == TQStyleSheetItem::ListUpperAlpha; +} + + +static TQString margin_to_string( TQStyleSheetItem* style, int t, int b, int l, int r, int fl ) +{ + TQString s; + if ( l > 0 ) + s += TQString(!!s?";":"") + "margin-left:" + TQString::number(l+TQMAX(0,style->margin(TQStyleSheetItem::MarginLeft))) + "px"; + if ( r > 0 ) + s += TQString(!!s?";":"") + "margin-right:" + TQString::number(r+TQMAX(0,style->margin(TQStyleSheetItem::MarginRight))) + "px"; + if ( t > 0 ) + s += TQString(!!s?";":"") + "margin-top:" + TQString::number(t+TQMAX(0,style->margin(TQStyleSheetItem::MarginTop))) + "px"; + if ( b > 0 ) + s += TQString(!!s?";":"") + "margin-bottom:" + TQString::number(b+TQMAX(0,style->margin(TQStyleSheetItem::MarginBottom))) + "px"; + if ( fl > 0 ) + s += TQString(!!s?";":"") + "text-indent:" + TQString::number(fl+TQMAX(0,style->margin(TQStyleSheetItem::MarginFirstLine))) + "px"; + if ( !!s ) + return " style=\"" + s + "\""; + return TQString::null; +} + +TQString TQTextDocument::richText() const +{ + TQString s = ""; + if ( !par ) { + s += "<html><head><meta name=\"qrichtext\" content=\"1\" /></head><body style=\"font-size:" ; + s += TQString::number( formatCollection()->defaultFormat()->font().pointSize() ); + s += "pt;font-family:"; + s += formatCollection()->defaultFormat()->font().family(); + s +="\">"; + } + TQTextParagraph* p = fParag; + + TQStyleSheetItem* item_p = styleSheet()->item("p"); + TQStyleSheetItem* item_div = styleSheet()->item("div"); + TQStyleSheetItem* item_ul = styleSheet()->item("ul"); + TQStyleSheetItem* item_ol = styleSheet()->item("ol"); + TQStyleSheetItem* item_li = styleSheet()->item("li"); + if ( !item_p || !item_div || !item_ul || !item_ol || !item_li ) { + qWarning( "TQTextEdit: cannot export HTML due to insufficient stylesheet (lack of p, div, ul, ol, or li)" ); + return TQString::null; + } + int pastListDepth = 0; + int listDepth = 0; +#if 0 + int futureListDepth = 0; +#endif + TQMemArray<int> listStyles(10); + + while ( p ) { + listDepth = p->listDepth(); + if ( listDepth < pastListDepth ) { + for ( int i = pastListDepth; i > listDepth; i-- ) + s += list_is_ordered( listStyles[i] ) ? "</ol>" : "</ul>"; + s += '\n'; + } else if ( listDepth > pastListDepth ) { + s += '\n'; + listStyles.resize( TQMAX( (int)listStyles.size(), listDepth+1 ) ); + TQString list_type; + listStyles[listDepth] = p->listStyle(); + if ( !list_is_ordered( p->listStyle() ) || item_ol->listStyle() != p->listStyle() ) + list_type = " type=" + list_style_to_string( p->listStyle() ); + for ( int i = pastListDepth; i < listDepth; i++ ) { + s += list_is_ordered( p->listStyle() ) ? "<ol" : "<ul" ; + s += list_type + ">"; + } + } else { + s += '\n'; + } + + TQString ps = p->richText(); + +#if 0 + // for the bottom margin we need to know whether we are at the end of a list + futureListDepth = 0; + if ( listDepth > 0 && p->next() ) + futureListDepth = p->next()->listDepth(); +#endif + + if ( richTextExportStart && richTextExportStart->paragraph() ==p && + richTextExportStart->index() == 0 ) + s += "<!--StartFragment-->"; + + if ( p->isListItem() ) { + s += "<li"; + if ( p->listStyle() != listStyles[listDepth] ) + s += " type=" + list_style_to_string( p->listStyle() ); + s +=align_to_string( p->alignment() ); + s += margin_to_string( item_li, p->utm, p->ubm, p->ulm, p->urm, p->uflm ); + s += list_value_to_string( p->listValue() ); + s += direction_to_string( p->direction() ); + s +=">"; + s += ps; + s += "</li>"; + } else if ( p->listDepth() ) { + s += "<div"; + s += align_to_string( p->alignment() ); + s += margin_to_string( item_div, p->utm, p->ubm, p->ulm, p->urm, p->uflm ); + s +=direction_to_string( p->direction() ); + s += ">"; + s += ps; + s += "</div>"; + } else { + // normal paragraph item + s += "<p"; + s += align_to_string( p->alignment() ); + s += margin_to_string( item_p, p->utm, p->ubm, p->ulm, p->urm, p->uflm ); + s +=direction_to_string( p->direction() ); + s += ">"; + s += ps; + s += "</p>"; + } + pastListDepth = listDepth; + p = p->next(); + } + while ( listDepth > 0 ) { + s += list_is_ordered( listStyles[listDepth] ) ? "</ol>" : "</ul>"; + listDepth--; + } + + if ( !par ) + s += "\n</body></html>\n"; + + return s; +} + +TQString TQTextDocument::text() const +{ + if ( txtFormat == TQt::AutoText && preferRichText || txtFormat == TQt::RichText ) + return richText(); + return plainText(); +} + +TQString TQTextDocument::text( int parag ) const +{ + TQTextParagraph *p = paragAt( parag ); + if ( !p ) + return TQString::null; + + if ( txtFormat == TQt::AutoText && preferRichText || txtFormat == TQt::RichText ) + return p->richText(); + else + return p->string()->toString(); +} + +void TQTextDocument::invalidate() +{ + TQTextParagraph *s = fParag; + while ( s ) { + s->invalidate( 0 ); + s = s->next(); + } +} + +void TQTextDocument::selectionStart( int id, int ¶gId, int &index ) +{ + TQMap<int, TQTextDocumentSelection>::Iterator it = selections.find( id ); + if ( it == selections.end() ) + return; + TQTextDocumentSelection &sel = *it; + paragId = !sel.swapped ? sel.startCursor.paragraph()->paragId() : sel.endCursor.paragraph()->paragId(); + index = !sel.swapped ? sel.startCursor.index() : sel.endCursor.index(); +} + +TQTextCursor TQTextDocument::selectionStartCursor( int id) +{ + TQMap<int, TQTextDocumentSelection>::Iterator it = selections.find( id ); + if ( it == selections.end() ) + return TQTextCursor( this ); + TQTextDocumentSelection &sel = *it; + if ( sel.swapped ) + return sel.endCursor; + return sel.startCursor; +} + +TQTextCursor TQTextDocument::selectionEndCursor( int id) +{ + TQMap<int, TQTextDocumentSelection>::Iterator it = selections.find( id ); + if ( it == selections.end() ) + return TQTextCursor( this ); + TQTextDocumentSelection &sel = *it; + if ( !sel.swapped ) + return sel.endCursor; + return sel.startCursor; +} + +void TQTextDocument::selectionEnd( int id, int ¶gId, int &index ) +{ + TQMap<int, TQTextDocumentSelection>::Iterator it = selections.find( id ); + if ( it == selections.end() ) + return; + TQTextDocumentSelection &sel = *it; + paragId = sel.swapped ? sel.startCursor.paragraph()->paragId() : sel.endCursor.paragraph()->paragId(); + index = sel.swapped ? sel.startCursor.index() : sel.endCursor.index(); +} + +void TQTextDocument::addSelection( int id ) +{ + nSelections = TQMAX( nSelections, id + 1 ); +} + +static void setSelectionEndHelper( int id, TQTextDocumentSelection &sel, TQTextCursor &start, TQTextCursor &end ) +{ + TQTextCursor c1 = start; + TQTextCursor c2 = end; + if ( sel.swapped ) { + c1 = end; + c2 = start; + } + + c1.paragraph()->removeSelection( id ); + c2.paragraph()->removeSelection( id ); + if ( c1.paragraph() != c2.paragraph() ) { + c1.paragraph()->setSelection( id, c1.index(), c1.paragraph()->length() - 1 ); + c2.paragraph()->setSelection( id, 0, c2.index() ); + } else { + c1.paragraph()->setSelection( id, TQMIN( c1.index(), c2.index() ), TQMAX( c1.index(), c2.index() ) ); + } + + sel.startCursor = start; + sel.endCursor = end; + if ( sel.startCursor.paragraph() == sel.endCursor.paragraph() ) + sel.swapped = sel.startCursor.index() > sel.endCursor.index(); +} + +bool TQTextDocument::setSelectionEnd( int id, const TQTextCursor &cursor ) +{ + TQMap<int, TQTextDocumentSelection>::Iterator it = selections.find( id ); + if ( it == selections.end() ) + return FALSE; + TQTextDocumentSelection &sel = *it; + + TQTextCursor start = sel.startCursor; + TQTextCursor end = cursor; + + if ( start == end ) { + removeSelection( id ); + setSelectionStart( id, cursor ); + return TRUE; + } + + if ( sel.endCursor.paragraph() == end.paragraph() ) { + setSelectionEndHelper( id, sel, start, end ); + return TRUE; + } + + bool inSelection = FALSE; + TQTextCursor c( this ); + TQTextCursor tmp = sel.startCursor; + if ( sel.swapped ) + tmp = sel.endCursor; + tmp.restoreState(); + TQTextCursor tmp2 = cursor; + tmp2.restoreState(); + c.setParagraph( tmp.paragraph()->paragId() < tmp2.paragraph()->paragId() ? tmp.paragraph() : tmp2.paragraph() ); + bool hadStart = FALSE; + bool hadEnd = FALSE; + bool hadStartParag = FALSE; + bool hadEndParag = FALSE; + bool hadOldStart = FALSE; + bool hadOldEnd = FALSE; + bool leftSelection = FALSE; + sel.swapped = FALSE; + for ( ;; ) { + if ( c == start ) + hadStart = TRUE; + if ( c == end ) + hadEnd = TRUE; + if ( c.paragraph() == start.paragraph() ) + hadStartParag = TRUE; + if ( c.paragraph() == end.paragraph() ) + hadEndParag = TRUE; + if ( c == sel.startCursor ) + hadOldStart = TRUE; + if ( c == sel.endCursor ) + hadOldEnd = TRUE; + + if ( !sel.swapped && + ( hadEnd && !hadStart || + hadEnd && hadStart && start.paragraph() == end.paragraph() && start.index() > end.index() ) ) + sel.swapped = TRUE; + + if ( c == end && hadStartParag || + c == start && hadEndParag ) { + TQTextCursor tmp = c; + tmp.restoreState(); + if ( tmp.paragraph() != c.paragraph() ) { + int sstart = tmp.paragraph()->selectionStart( id ); + tmp.paragraph()->removeSelection( id ); + tmp.paragraph()->setSelection( id, sstart, tmp.index() ); + } + } + + if ( inSelection && + ( c == end && hadStart || c == start && hadEnd ) ) + leftSelection = TRUE; + else if ( !leftSelection && !inSelection && ( hadStart || hadEnd ) ) + inSelection = TRUE; + + bool noSelectionAnymore = hadOldStart && hadOldEnd && leftSelection && !inSelection && !c.paragraph()->hasSelection( id ) && c.atParagEnd(); + c.paragraph()->removeSelection( id ); + if ( inSelection ) { + if ( c.paragraph() == start.paragraph() && start.paragraph() == end.paragraph() ) { + c.paragraph()->setSelection( id, TQMIN( start.index(), end.index() ), TQMAX( start.index(), end.index() ) ); + } else if ( c.paragraph() == start.paragraph() && !hadEndParag ) { + c.paragraph()->setSelection( id, start.index(), c.paragraph()->length() - 1 ); + } else if ( c.paragraph() == end.paragraph() && !hadStartParag ) { + c.paragraph()->setSelection( id, end.index(), c.paragraph()->length() - 1 ); + } else if ( c.paragraph() == end.paragraph() && hadEndParag ) { + c.paragraph()->setSelection( id, 0, end.index() ); + } else if ( c.paragraph() == start.paragraph() && hadStartParag ) { + c.paragraph()->setSelection( id, 0, start.index() ); + } else { + c.paragraph()->setSelection( id, 0, c.paragraph()->length() - 1 ); + } + } + + if ( leftSelection ) + inSelection = FALSE; + + if ( noSelectionAnymore ) + break; + // *ugle*hack optimization + TQTextParagraph *p = c.paragraph(); + if ( p->mightHaveCustomItems || p == start.paragraph() || p == end.paragraph() || p == lastParagraph() ) { + c.gotoNextLetter(); + if ( p == lastParagraph() && c.atParagEnd() ) + break; + } else { + if ( p->document()->parent() ) + do { + c.gotoNextLetter(); + } while ( c.paragraph() == p ); + else + c.setParagraph( p->next() ); + } + } + + if ( !sel.swapped ) + sel.startCursor.paragraph()->setSelection( id, sel.startCursor.index(), sel.startCursor.paragraph()->length() - 1 ); + + sel.startCursor = start; + sel.endCursor = end; + if ( sel.startCursor.paragraph() == sel.endCursor.paragraph() ) + sel.swapped = sel.startCursor.index() > sel.endCursor.index(); + + setSelectionEndHelper( id, sel, start, end ); + + return TRUE; +} + +void TQTextDocument::selectAll( int id ) +{ + removeSelection( id ); + + TQTextDocumentSelection sel; + sel.swapped = FALSE; + TQTextCursor c( this ); + + c.setParagraph( fParag ); + c.setIndex( 0 ); + sel.startCursor = c; + + c.setParagraph( lParag ); + c.setIndex( lParag->length() - 1 ); + sel.endCursor = c; + + selections.insert( id, sel ); + + TQTextParagraph *p = fParag; + while ( p ) { + p->setSelection( id, 0, p->length() - 1 ); + p = p->next(); + } + + for ( TQTextDocument *d = childList.first(); d; d = childList.next() ) + d->selectAll( id ); +} + +bool TQTextDocument::removeSelection( int id ) +{ + if ( !selections.contains( id ) ) + return FALSE; + + TQTextDocumentSelection &sel = selections[ id ]; + + TQTextCursor start = sel.swapped ? sel.endCursor : sel.startCursor; + TQTextCursor end = sel.swapped ? sel.startCursor : sel.endCursor; + TQTextParagraph* p = 0; + while ( start != end ) { + if ( p != start.paragraph() ) { + p = start.paragraph(); + p->removeSelection( id ); + //### avoid endless loop by all means necessary, did somebody mention refactoring? + if ( !parent() && p == lParag ) + break; + } + start.gotoNextLetter(); + } + p = start.paragraph(); + p->removeSelection( id ); + selections.remove( id ); + return TRUE; +} + +TQString TQTextDocument::selectedText( int id, bool asRichText ) const +{ + TQMap<int, TQTextDocumentSelection>::ConstIterator it = selections.find( id ); + if ( it == selections.end() ) + return TQString::null; + + TQTextDocumentSelection sel = *it; + + + TQTextCursor c1 = sel.startCursor; + TQTextCursor c2 = sel.endCursor; + if ( sel.swapped ) { + c2 = sel.startCursor; + c1 = sel.endCursor; + } + + /* 3.0.3 improvement: Make it possible to get a reasonable + selection inside a table. This approach is very conservative: + make sure that both cursors have the same depth level and point + to paragraphs within the same text document. + + Meaning if you select text in two table cells, you will get the + entire table. This is still far better than the 3.0.2, where + you always got the entire table. + + ### Fix this properly when refactoring + */ + while ( c2.nestedDepth() > c1.nestedDepth() ) + c2.oneUp(); + while ( c1.nestedDepth() > c2.nestedDepth() ) + c1.oneUp(); + while ( c1.nestedDepth() && c2.nestedDepth() && + c1.paragraph()->document() != c2.paragraph()->document() ) { + c1.oneUp(); + c2.oneUp(); + } + // do not trust sel_swapped with tables. Fix this properly when refactoring as well + if ( c1.paragraph()->paragId() > c2.paragraph()->paragId() || + (c1.paragraph() == c2.paragraph() && c1.index() > c2.index() ) ) { + TQTextCursor tmp = c1; + c2 = c1; + c1 = tmp; + } + + // end selection 3.0.3 improvement + + if ( asRichText && !parent() ) { + richTextExportStart = &c1; + richTextExportEnd = &c2; + + TQString sel = richText(); + int from = sel.find( "<!--StartFragment-->" ); + if ( from >= 0 ) { + from += 20; + // find the previous span and move it into the start fragment before we clip it + TQString prevspan; + int pspan = sel.findRev( "<span", from-21 ); + if ( pspan > sel.findRev( "</span", from-21 ) ) { + int spanend = sel.find( '>', pspan ); + prevspan = sel.mid( pspan, spanend - pspan + 1 ); + } + int to = sel.findRev( "<!--EndFragment-->" ); + if ( from <= to ) + sel = "<!--StartFragment-->" + prevspan + sel.mid( from, to - from ); + } + richTextExportStart = richTextExportEnd = 0; + return sel; + } + + TQString s; + if ( c1.paragraph() == c2.paragraph() ) { + TQTextParagraph *p = c1.paragraph(); + int end = c2.index(); + if ( p->at( TQMAX( 0, end - 1 ) )->isCustom() ) + ++end; + if ( !p->mightHaveCustomItems ) { + s += p->string()->toString().mid( c1.index(), end - c1.index() ); + } else { + for ( int i = c1.index(); i < end; ++i ) { +#ifndef QT_NO_TEXTCUSTOMITEM + if ( p->at( i )->isCustom() ) { + if ( p->at( i )->customItem()->isNested() ) { + s += "\n"; + TQTextTable *t = (TQTextTable*)p->at( i )->customItem(); + TQPtrList<TQTextTableCell> cells = t->tableCells(); + for ( TQTextTableCell *c = cells.first(); c; c = cells.next() ) + s += c->richText()->plainText() + "\n"; + s += "\n"; + } + } else +#endif + { + s += p->at( i )->c; + } + } + } + } else { + TQTextParagraph *p = c1.paragraph(); + int start = c1.index(); + while ( p ) { + int end = p == c2.paragraph() ? c2.index() : p->length() - 1; + if ( p == c2.paragraph() && p->at( TQMAX( 0, end - 1 ) )->isCustom() ) + ++end; + if ( !p->mightHaveCustomItems ) { + s += p->string()->toString().mid( start, end - start ); + if ( p != c2.paragraph() ) + s += "\n"; + } else { + for ( int i = start; i < end; ++i ) { +#ifndef QT_NO_TEXTCUSTOMITEM + if ( p->at( i )->isCustom() ) { + if ( p->at( i )->customItem()->isNested() ) { + s += "\n"; + TQTextTable *t = (TQTextTable*)p->at( i )->customItem(); + TQPtrList<TQTextTableCell> cells = t->tableCells(); + for ( TQTextTableCell *c = cells.first(); c; c = cells.next() ) + s += c->richText()->plainText() + "\n"; + s += "\n"; + } + } else +#endif + { + s += p->at( i )->c; + } + } + } + start = 0; + if ( p == c2.paragraph() ) + break; + p = p->next(); + } + } + // ### workaround for plain text export until we get proper + // mime types: turn unicode line seperators into the more + // widely understood \n. Makes copy and pasting code snipplets + // from within Assistent possible + TQChar* uc = (TQChar*) s.unicode(); + for ( uint ii = 0; ii < s.length(); ii++ ) { + if ( uc[(int)ii] == TQChar_linesep ) + uc[(int)ii] = TQChar('\n'); + else if ( uc[(int)ii] == TQChar::nbsp ) + uc[(int)ii] = TQChar(' '); + } + return s; +} + +void TQTextDocument::setFormat( int id, TQTextFormat *f, int flags ) +{ + TQMap<int, TQTextDocumentSelection>::ConstIterator it = selections.find( id ); + if ( it == selections.end() ) + return; + + TQTextDocumentSelection sel = *it; + + TQTextCursor c1 = sel.startCursor; + TQTextCursor c2 = sel.endCursor; + if ( sel.swapped ) { + c2 = sel.startCursor; + c1 = sel.endCursor; + } + + c2.restoreState(); + c1.restoreState(); + + if ( c1.paragraph() == c2.paragraph() ) { + c1.paragraph()->setFormat( c1.index(), c2.index() - c1.index(), f, TRUE, flags ); + return; + } + + c1.paragraph()->setFormat( c1.index(), c1.paragraph()->length() - c1.index(), f, TRUE, flags ); + TQTextParagraph *p = c1.paragraph()->next(); + while ( p && p != c2.paragraph() ) { + p->setFormat( 0, p->length(), f, TRUE, flags ); + p = p->next(); + } + c2.paragraph()->setFormat( 0, c2.index(), f, TRUE, flags ); +} + +void TQTextDocument::removeSelectedText( int id, TQTextCursor *cursor ) +{ + TQMap<int, TQTextDocumentSelection>::Iterator it = selections.find( id ); + if ( it == selections.end() ) + return; + + TQTextDocumentSelection sel = *it; + TQTextCursor c1 = sel.startCursor; + TQTextCursor c2 = sel.endCursor; + if ( sel.swapped ) { + c2 = sel.startCursor; + c1 = sel.endCursor; + } + + // ### no support for editing tables yet + if ( c1.nestedDepth() || c2.nestedDepth() ) + return; + + c2.restoreState(); + c1.restoreState(); + + *cursor = c1; + removeSelection( id ); + + if ( c1.paragraph() == c2.paragraph() ) { + c1.paragraph()->remove( c1.index(), c2.index() - c1.index() ); + return; + } + + if ( c1.paragraph() == fParag && c1.index() == 0 && + c2.paragraph() == lParag && c2.index() == lParag->length() - 1 ) + cursor->setValid( FALSE ); + + bool didGoLeft = FALSE; + if ( c1.index() == 0 && c1.paragraph() != fParag ) { + cursor->gotoPreviousLetter(); + didGoLeft = cursor->isValid(); + } + + c1.paragraph()->remove( c1.index(), c1.paragraph()->length() - 1 - c1.index() ); + TQTextParagraph *p = c1.paragraph()->next(); + int dy = 0; + TQTextParagraph *tmp; + while ( p && p != c2.paragraph() ) { + tmp = p->next(); + dy -= p->rect().height(); + delete p; + p = tmp; + } + c2.paragraph()->remove( 0, c2.index() ); + while ( p ) { + p->move( dy ); + p->invalidate( 0 ); + p->setEndState( -1 ); + p = p->next(); + } + + + c1.paragraph()->join( c2.paragraph() ); + + if ( didGoLeft ) + cursor->gotoNextLetter(); +} + +void TQTextDocument::indentSelection( int id ) +{ + TQMap<int, TQTextDocumentSelection>::Iterator it = selections.find( id ); + if ( it == selections.end() ) + return; + + TQTextDocumentSelection sel = *it; + TQTextParagraph *startParag = sel.startCursor.paragraph(); + TQTextParagraph *endParag = sel.endCursor.paragraph(); + if ( sel.endCursor.paragraph()->paragId() < sel.startCursor.paragraph()->paragId() ) { + endParag = sel.startCursor.paragraph(); + startParag = sel.endCursor.paragraph(); + } + + TQTextParagraph *p = startParag; + while ( p && p != endParag ) { + p->indent(); + p = p->next(); + } +} + +void TQTextDocument::addCommand( TQTextCommand *cmd ) +{ + commandHistory->addCommand( cmd ); +} + +TQTextCursor *TQTextDocument::undo( TQTextCursor *c ) +{ + return commandHistory->undo( c ); +} + +TQTextCursor *TQTextDocument::redo( TQTextCursor *c ) +{ + return commandHistory->redo( c ); +} + +bool TQTextDocument::find( TQTextCursor& cursor, const TQString &expr, bool cs, bool wo, bool forward ) +{ + removeSelection( Standard ); + TQTextParagraph *p = 0; + if ( expr.isEmpty() ) + return FALSE; + for (;;) { + if ( p != cursor.paragraph() ) { + p = cursor.paragraph(); + TQString s = cursor.paragraph()->string()->toString(); + int start = cursor.index(); + for ( ;; ) { + int res = forward ? s.find( expr, start, cs ) : s.findRev( expr, start, cs ); + int end = res + expr.length(); + if ( res == -1 || ( !forward && start <= res ) ) + break; + if ( !wo || ( ( res == 0 || s[ res - 1 ].isSpace() || s[ res - 1 ].isPunct() ) && + ( end == (int)s.length() || s[ end ].isSpace() || s[ end ].isPunct() ) ) ) { + removeSelection( Standard ); + cursor.setIndex( forward ? end : res ); + setSelectionStart( Standard, cursor ); + cursor.setIndex( forward ? res : end ); + setSelectionEnd( Standard, cursor ); + if ( !forward ) + cursor.setIndex( res ); + return TRUE; + } + start = res + (forward ? 1 : -1); + } + } + if ( forward ) { + if ( cursor.paragraph() == lastParagraph() && cursor.atParagEnd() ) + break; + cursor.gotoNextLetter(); + } else { + if ( cursor.paragraph() == firstParagraph() && cursor.atParagStart() ) + break; + cursor.gotoPreviousLetter(); + } + } + return FALSE; +} + +void TQTextDocument::setTextFormat( TQt::TextFormat f ) +{ + txtFormat = f; + if ( fParag == lParag && fParag->length() <= 1 ) + fParag->rtext = ( f == TQt::RichText ); +} + +TQt::TextFormat TQTextDocument::textFormat() const +{ + return txtFormat; +} + +bool TQTextDocument::inSelection( int selId, const TQPoint &pos ) const +{ + TQMap<int, TQTextDocumentSelection>::ConstIterator it = selections.find( selId ); + if ( it == selections.end() ) + return FALSE; + + TQTextDocumentSelection sel = *it; + TQTextParagraph *startParag = sel.startCursor.paragraph(); + TQTextParagraph *endParag = sel.endCursor.paragraph(); + if ( sel.startCursor.paragraph() == sel.endCursor.paragraph() && + sel.startCursor.paragraph()->selectionStart( selId ) == sel.endCursor.paragraph()->selectionEnd( selId ) ) + return FALSE; + if ( sel.endCursor.paragraph()->paragId() < sel.startCursor.paragraph()->paragId() ) { + endParag = sel.startCursor.paragraph(); + startParag = sel.endCursor.paragraph(); + } + + TQTextParagraph *p = startParag; + while ( p ) { + if ( p->rect().contains( pos ) ) { + bool inSel = FALSE; + int selStart = p->selectionStart( selId ); + int selEnd = p->selectionEnd( selId ); + int y = 0; + int h = 0; + for ( int i = 0; i < p->length(); ++i ) { + if ( i == selStart ) + inSel = TRUE; + if ( i == selEnd ) + break; + if ( p->at( i )->lineStart ) { + y = (*p->lineStarts.find( i ))->y; + h = (*p->lineStarts.find( i ))->h; + } + if ( pos.y() - p->rect().y() >= y && pos.y() - p->rect().y() <= y + h ) { + if ( inSel && pos.x() >= p->at( i )->x && + pos.x() <= p->at( i )->x + p->at( i )->format()->width( p->at( i )->c ) ) + return TRUE; + } + } + } + if ( pos.y() < p->rect().y() ) + break; + if ( p == endParag ) + break; + p = p->next(); + } + + return FALSE; +} + +void TQTextDocument::doLayout( TQPainter *p, int w ) +{ + minw = wused = 0; + if ( !is_printer( p ) ) + p = 0; + withoutDoubleBuffer = ( p != 0 ); + TQPainter * oldPainter = TQTextFormat::painter(); + TQTextFormat::setPainter( p ); + tStopWidth = formatCollection()->defaultFormat()->width( 'x' ) * 8; + flow_->setWidth( w ); + cw = w; + vw = w; + TQTextParagraph *parag = fParag; + while ( parag ) { + parag->invalidate( 0 ); + if ( p ) + parag->adjustToPainter( p ); + parag->format(); + parag = parag->next(); + } + TQTextFormat::setPainter( oldPainter ); +} + +TQPixmap *TQTextDocument::bufferPixmap( const TQSize &s ) +{ + if ( !buf_pixmap ) + buf_pixmap = new TQPixmap( s.expandedTo( TQSize(1,1) ) ); + else if ( buf_pixmap->size() != s ) + buf_pixmap->resize( s.expandedTo( buf_pixmap->size() ) ); + return buf_pixmap; +} + +void TQTextDocument::draw( TQPainter *p, const TQRect &rect, const TQColorGroup &cg, const TQBrush *paper ) +{ + if ( !firstParagraph() ) + return; + + if ( paper ) { + p->setBrushOrigin( -int( p->translationX() ), + -int( p->translationY() ) ); + + p->fillRect( rect, *paper ); + } + + TQPainter * oldPainter = TQTextFormat::painter(); + TQTextFormat::setPainter( p ); + + if ( formatCollection()->defaultFormat()->color() != cg.text() ) + setDefaultFormat( formatCollection()->defaultFormat()->font(), cg.text() ); + + TQTextParagraph *parag = firstParagraph(); + while ( parag ) { + if ( !parag->isValid() ) + parag->format(); + int y = parag->rect().y(); + TQRect pr( parag->rect() ); + pr.setX( 0 ); + pr.setWidth( TQWIDGETSIZE_MAX ); + if ( !rect.isNull() && !rect.intersects( pr ) ) { + parag = parag->next(); + continue; + } + p->translate( 0, y ); + if ( rect.isValid() ) + parag->paint( *p, cg, 0, FALSE, rect.x(), rect.y(), rect.width(), rect.height() ); + else + parag->paint( *p, cg, 0, FALSE ); + p->translate( 0, -y ); + parag = parag->next(); + if ( !flow()->isEmpty() ) + flow()->drawFloatingItems( p, rect.x(), rect.y(), rect.width(), rect.height(), cg, FALSE ); + } + TQTextFormat::setPainter(oldPainter); +} + +void TQTextDocument::drawParagraph( TQPainter *p, TQTextParagraph *parag, int cx, int cy, int cw, int ch, + TQPixmap *&doubleBuffer, const TQColorGroup &cg, + bool drawCursor, TQTextCursor *cursor, bool resetChanged ) +{ + TQPainter *painter = 0; + if ( resetChanged ) + parag->setChanged( FALSE ); + TQRect ir( parag->rect() ); +#ifndef QT_NO_TEXTCUSTOMITEM + if (!parag->tableCell()) +#endif + ir.setWidth(width()); + + bool uDoubleBuffer = useDoubleBuffer( parag, p ); + + if ( uDoubleBuffer ) { + painter = new TQPainter; + if ( cx >= 0 && cy >= 0 ) + ir = ir.intersect( TQRect( cx, cy, cw, ch ) ); + if ( !doubleBuffer || + ir.width() > doubleBuffer->width() || + ir.height() > doubleBuffer->height() ) { + doubleBuffer = bufferPixmap( ir.size() ); + painter->begin( doubleBuffer ); + } else { + painter->begin( doubleBuffer ); + } + } else { + painter = p; + painter->translate( ir.x(), ir.y() ); + } + + painter->setBrushOrigin( -ir.x(), -ir.y() ); + + if ( uDoubleBuffer || is_printer( painter ) ) + painter->fillRect( TQRect( 0, 0, ir.width(), ir.height() ), parag->backgroundBrush( cg ) ); + else if ( cursor && cursor->paragraph() == parag ) + painter->fillRect( TQRect( parag->at( cursor->index() )->x, 0, 2, ir.height() ), + parag->backgroundBrush( cg ) ); + + painter->translate( -( ir.x() - parag->rect().x() ), + -( ir.y() - parag->rect().y() ) ); + parag->paint( *painter, cg, drawCursor ? cursor : 0, TRUE, cx, cy, cw, ch ); + + if ( uDoubleBuffer ) { + delete painter; + painter = 0; + p->drawPixmap( ir.topLeft(), *doubleBuffer, TQRect( TQPoint( 0, 0 ), ir.size() ) ); + } else { + painter->translate( -ir.x(), -ir.y() ); + } + + parag->document()->nextDoubleBuffered = FALSE; +} + +TQTextParagraph *TQTextDocument::draw( TQPainter *p, int cx, int cy, int cw, int ch, const TQColorGroup &cg, + bool onlyChanged, bool drawCursor, TQTextCursor *cursor, bool resetChanged ) +{ + if ( withoutDoubleBuffer || par && par->withoutDoubleBuffer ) { + withoutDoubleBuffer = TRUE; + TQRect r; + draw( p, r, cg ); + return 0; + } + withoutDoubleBuffer = FALSE; + + if ( !firstParagraph() ) + return 0; + + TQPainter * oldPainter = TQTextFormat::painter(); + TQTextFormat::setPainter( p ); + if ( formatCollection()->defaultFormat()->color() != cg.text() ) + setDefaultFormat( formatCollection()->defaultFormat()->font(), cg.text() ); + + if ( cx < 0 && cy < 0 ) { + cx = 0; + cy = 0; + cw = width(); + ch = height(); + } + + TQTextParagraph *lastFormatted = 0; + TQTextParagraph *parag = firstParagraph(); + + TQPixmap *doubleBuffer = 0; + + while ( parag ) { + lastFormatted = parag; + if ( !parag->isValid() ) + parag->format(); + + TQRect pr = parag->rect(); + pr.setWidth( parag->document()->width() ); + if ( pr.y() > cy + ch ) + goto floating; + TQRect clipr( cx, cy, cw, ch ); + if ( !pr.intersects( clipr ) || ( onlyChanged && !parag->hasChanged() ) ) { + pr.setWidth( parag->document()->width() ); + parag = parag->next(); + continue; + } + + drawParagraph( p, parag, cx, cy, cw, ch, doubleBuffer, cg, drawCursor, cursor, resetChanged ); + parag = parag->next(); + } + + parag = lastParagraph(); + + floating: + if ( parag->rect().y() + parag->rect().height() < parag->document()->height() ) { + if ( !parag->document()->parent() ) { + TQRect fillRect = TQRect( 0, parag->rect().y() + parag->rect().height(), parag->document()->width(), + parag->document()->height() - ( parag->rect().y() + parag->rect().height() ) ); + if ( TQRect( cx, cy, cw, ch ).intersects( fillRect ) ) + p->fillRect( fillRect, cg.brush( TQColorGroup::Base ) ); + } + if ( !flow()->isEmpty() ) { + TQRect cr( cx, cy, cw, ch ); + flow()->drawFloatingItems( p, cr.x(), cr.y(), cr.width(), cr.height(), cg, FALSE ); + } + } + + if ( buf_pixmap && buf_pixmap->height() > 300 ) { + delete buf_pixmap; + buf_pixmap = 0; + } + + TQTextFormat::setPainter(oldPainter); + return lastFormatted; +} + +/* + #### this function only sets the default font size in the format collection + */ +void TQTextDocument::setDefaultFormat( const TQFont &font, const TQColor &color ) +{ + bool reformat = font != fCollection->defaultFormat()->font(); + for ( TQTextDocument *d = childList.first(); d; d = childList.next() ) + d->setDefaultFormat( font, color ); + fCollection->updateDefaultFormat( font, color, sheet_ ); + + if ( !reformat ) + return; + tStopWidth = formatCollection()->defaultFormat()->width( 'x' ) * 8; + + // invalidate paragraphs and custom items + TQTextParagraph *p = fParag; + while ( p ) { + p->invalidate( 0 ); +#ifndef QT_NO_TEXTCUSTOMITEM + for ( int i = 0; i < p->length() - 1; ++i ) + if ( p->at( i )->isCustom() ) + p->at( i )->customItem()->invalidate(); +#endif + p = p->next(); + } +} + +#ifndef QT_NO_TEXTCUSTOMITEM +void TQTextDocument::registerCustomItem( TQTextCustomItem *i, TQTextParagraph *p ) +{ + if ( i && i->placement() != TQTextCustomItem::PlaceInline ) { + flow_->registerFloatingItem( i ); + p->registerFloatingItem( i ); + } + if (i) i->setParagraph( p ); + p->mightHaveCustomItems = mightHaveCustomItems = TRUE; +} + +void TQTextDocument::unregisterCustomItem( TQTextCustomItem *i, TQTextParagraph *p ) +{ + p->unregisterFloatingItem( i ); + i->setParagraph( 0 ); + flow_->unregisterFloatingItem( i ); +} +#endif + +bool TQTextDocument::hasFocusParagraph() const +{ + return !!focusIndicator.parag; +} + +TQString TQTextDocument::focusHref() const +{ + return focusIndicator.href; +} + +TQString TQTextDocument::focusName() const +{ + return focusIndicator.name; +} + +bool TQTextDocument::focusNextPrevChild( bool next ) +{ + if ( !focusIndicator.parag ) { + if ( next ) { + focusIndicator.parag = fParag; + focusIndicator.start = 0; + focusIndicator.len = 0; + } else { + focusIndicator.parag = lParag; + focusIndicator.start = lParag->length(); + focusIndicator.len = 0; + } + } else { + focusIndicator.parag->setChanged( TRUE ); + } + focusIndicator.href = TQString::null; + focusIndicator.name = TQString::null; + + if ( next ) { + TQTextParagraph *p = focusIndicator.parag; + int index = focusIndicator.start + focusIndicator.len; + while ( p ) { + for ( int i = index; i < p->length(); ++i ) { + if ( p->at( i )->isAnchor() ) { + p->setChanged( TRUE ); + focusIndicator.parag = p; + focusIndicator.start = i; + focusIndicator.len = 0; + focusIndicator.href = p->at( i )->anchorHref(); + focusIndicator.name = p->at( i )->anchorName(); + while ( i < p->length() ) { + if ( !p->at( i )->isAnchor() ) + return TRUE; + focusIndicator.len++; + i++; + } +#ifndef QT_NO_TEXTCUSTOMITEM + } else if ( p->at( i )->isCustom() ) { + if ( p->at( i )->customItem()->isNested() ) { + TQTextTable *t = (TQTextTable*)p->at( i )->customItem(); + TQPtrList<TQTextTableCell> cells = t->tableCells(); + // first try to continue + TQTextTableCell *c; + bool resetCells = TRUE; + for ( c = cells.first(); c; c = cells.next() ) { + if ( c->richText()->hasFocusParagraph() ) { + if ( c->richText()->focusNextPrevChild( next ) ) { + p->setChanged( TRUE ); + focusIndicator.parag = p; + focusIndicator.start = i; + focusIndicator.len = 0; + focusIndicator.href = c->richText()->focusHref(); + focusIndicator.name = c->richText()->focusName(); + return TRUE; + } else { + resetCells = FALSE; + c = cells.next(); + break; + } + } + } + // now really try + if ( resetCells ) + c = cells.first(); + for ( ; c; c = cells.next() ) { + if ( c->richText()->focusNextPrevChild( next ) ) { + p->setChanged( TRUE ); + focusIndicator.parag = p; + focusIndicator.start = i; + focusIndicator.len = 0; + focusIndicator.href = c->richText()->focusHref(); + focusIndicator.name = c->richText()->focusName(); + return TRUE; + } + } + } +#endif + } + } + index = 0; + p = p->next(); + } + } else { + TQTextParagraph *p = focusIndicator.parag; + int index = focusIndicator.start - 1; + if ( focusIndicator.len == 0 && index < focusIndicator.parag->length() - 1 ) + index++; + while ( p ) { + for ( int i = index; i >= 0; --i ) { + if ( p->at( i )->isAnchor() ) { + p->setChanged( TRUE ); + focusIndicator.parag = p; + focusIndicator.start = i; + focusIndicator.len = 0; + focusIndicator.href = p->at( i )->anchorHref(); + focusIndicator.name = p->at( i )->anchorName(); + while ( i >= -1 ) { + if ( i < 0 || !p->at( i )->isAnchor() ) { + focusIndicator.start++; + return TRUE; + } + if ( i < 0 ) + break; + focusIndicator.len++; + focusIndicator.start--; + i--; + } +#ifndef QT_NO_TEXTCUSTOMITEM + } else if ( p->at( i )->isCustom() ) { + if ( p->at( i )->customItem()->isNested() ) { + TQTextTable *t = (TQTextTable*)p->at( i )->customItem(); + TQPtrList<TQTextTableCell> cells = t->tableCells(); + // first try to continue + TQTextTableCell *c; + bool resetCells = TRUE; + for ( c = cells.last(); c; c = cells.prev() ) { + if ( c->richText()->hasFocusParagraph() ) { + if ( c->richText()->focusNextPrevChild( next ) ) { + p->setChanged( TRUE ); + focusIndicator.parag = p; + focusIndicator.start = i; + focusIndicator.len = 0; + focusIndicator.href = c->richText()->focusHref(); + focusIndicator.name = c->richText()->focusName(); + return TRUE; + } else { + resetCells = FALSE; + c = cells.prev(); + break; + } + } + if ( cells.at() == 0 ) + break; + } + // now really try + if ( resetCells ) + c = cells.last(); + for ( ; c; c = cells.prev() ) { + if ( c->richText()->focusNextPrevChild( next ) ) { + p->setChanged( TRUE ); + focusIndicator.parag = p; + focusIndicator.start = i; + focusIndicator.len = 0; + focusIndicator.href = c->richText()->focusHref(); + focusIndicator.name = c->richText()->focusName(); + return TRUE; + } + if ( cells.at() == 0 ) + break; + } + } +#endif + } + } + p = p->prev(); + if ( p ) + index = p->length() - 1; + } + } + + focusIndicator.parag = 0; + + return FALSE; +} + +int TQTextDocument::length() const +{ + int l = -1; + TQTextParagraph *p = fParag; + while ( p ) { + l += p->length(); + p = p->next(); + } + return TQMAX(0,l); +} + +// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +int TQTextFormat::width( const TQChar &c ) const +{ + if ( c.unicode() == 0xad ) // soft hyphen + return 0; + if ( !pntr || !pntr->isActive() ) { + if ( c == '\t' ) + return fm.width( ' ' ); + if ( ha == AlignNormal ) { + int w; + if ( c.row() ) + w = fm.width( c ); + else + w = widths[ c.unicode() ]; + if ( w == 0 && !c.row() ) { + w = fm.width( c ); + ( (TQTextFormat*)this )->widths[ c.unicode() ] = w; + } + return w; + } else { + TQFont f( fn ); + if ( usePixelSizes ) + f.setPixelSize( ( f.pixelSize() * 2 ) / 3 ); + else + f.setPointSize( ( f.pointSize() * 2 ) / 3 ); + TQFontMetrics fm_( f ); + return fm_.width( c ); + } + } + + TQFont f( fn ); + if ( ha != AlignNormal ) { + if ( usePixelSizes ) + f.setPixelSize( ( f.pixelSize() * 2 ) / 3 ); + else + f.setPointSize( ( f.pointSize() * 2 ) / 3 ); + } + applyFont( f ); + + return pntr_fm->width( c ); +} + +int TQTextFormat::width( const TQString &str, int pos ) const +{ + int w = 0; + if ( str.unicode()[ pos ].unicode() == 0xad ) + return w; + if ( !pntr || !pntr->isActive() ) { + if ( ha == AlignNormal ) { + w = fm.charWidth( str, pos ); + } else { + TQFont f( fn ); + if ( usePixelSizes ) + f.setPixelSize( ( f.pixelSize() * 2 ) / 3 ); + else + f.setPointSize( ( f.pointSize() * 2 ) / 3 ); + TQFontMetrics fm_( f ); + w = fm_.charWidth( str, pos ); + } + } else { + TQFont f( fn ); + if ( ha != AlignNormal ) { + if ( usePixelSizes ) + f.setPixelSize( ( f.pixelSize() * 2 ) / 3 ); + else + f.setPointSize( ( f.pointSize() * 2 ) / 3 ); + } + applyFont( f ); + w = pntr_fm->charWidth( str, pos ); + } + return w; +} + +// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +TQTextString::TQTextString() +{ + bidiDirty = TRUE; + bidi = FALSE; + rightToLeft = FALSE; + dir = TQChar::DirON; +} + +TQTextString::TQTextString( const TQTextString &s ) +{ + bidiDirty = TRUE; + bidi = s.bidi; + rightToLeft = s.rightToLeft; + dir = s.dir; + data = s.data; + data.detach(); + for ( int i = 0; i < (int)data.size(); ++i ) { + TQTextFormat *f = data[i].format(); + if ( f ) + f->addRef(); + } +} + +void TQTextString::insert( int index, const TQString &s, TQTextFormat *f ) +{ + insert( index, s.unicode(), s.length(), f ); +} + +void TQTextString::insert( int index, const TQChar *unicode, int len, TQTextFormat *f ) +{ + int os = data.size(); + data.resize( data.size() + len, TQGArray::SpeedOptim ); + if ( index < os ) { + memmove( data.data() + index + len, data.data() + index, + sizeof( TQTextStringChar ) * ( os - index ) ); + } + TQTextStringChar *ch = data.data() + index; + for ( int i = 0; i < len; ++i ) { + ch->x = 0; + ch->lineStart = 0; + ch->d.format = 0; + ch->nobreak = FALSE; + ch->type = TQTextStringChar::Regular; + ch->d.format = f; + ch->rightToLeft = 0; + ch->c = unicode[i]; + ++ch; + } + bidiDirty = TRUE; +} + +TQTextString::~TQTextString() +{ + clear(); +} + +void TQTextString::insert( int index, TQTextStringChar *c, bool doAddRefFormat ) +{ + int os = data.size(); + data.resize( data.size() + 1, TQGArray::SpeedOptim ); + if ( index < os ) { + memmove( data.data() + index + 1, data.data() + index, + sizeof( TQTextStringChar ) * ( os - index ) ); + } + TQTextStringChar &ch = data[ (int)index ]; + ch.c = c->c; + ch.x = 0; + ch.lineStart = 0; + ch.rightToLeft = 0; + ch.d.format = 0; + ch.type = TQTextStringChar::Regular; + ch.nobreak = FALSE; + if ( doAddRefFormat && c->format() ) + c->format()->addRef(); + ch.setFormat( c->format() ); + bidiDirty = TRUE; +} + +int TQTextString::appendParagraphs( TQTextParagraph *start, TQTextParagraph *end ) +{ + int paragCount = 0; + int newLength = data.size(); + TQTextParagraph *p = start; + for (; p != end; p = p->next()) { + newLength += p->length(); + ++paragCount; + } + + const int oldLength = data.size(); + data.resize(newLength, TQGArray::SpeedOptim); + + TQTextStringChar *d = &data[oldLength]; + for (p = start; p != end; p = p->next()) { + const TQTextStringChar * const src = p->at(0); + int i = 0; + for (; i < p->length() - 1; ++i) { + d[i].c = src[i].c; + d[i].x = 0; + d[i].lineStart = 0; + d[i].rightToLeft = 0; + d[i].type = TQTextStringChar::Regular; + d[i].nobreak = FALSE; + d[i].d.format = src[i].format(); + if (d[i].d.format) + d[i].d.format->addRef(); + } + d[i].x = 0; + d[i].lineStart = 0; + d[i].nobreak = FALSE; + d[i].type = TQTextStringChar::Regular; + d[i].d.format = 0; + d[i].rightToLeft = 0; + d[i].c = '\n'; + d += p->length(); + } + + bidiDirty = TRUE; + return paragCount; +} + +void TQTextString::truncate( int index ) +{ + index = TQMAX( index, 0 ); + index = TQMIN( index, (int)data.size() - 1 ); + if ( index < (int)data.size() ) { + for ( int i = index + 1; i < (int)data.size(); ++i ) { + TQTextStringChar &ch = data[ i ]; +#ifndef QT_NO_TEXTCUSTOMITEM + if ( !(ch.type == TQTextStringChar::Regular) ) { + delete ch.customItem(); + if ( ch.d.custom->format ) + ch.d.custom->format->removeRef(); + delete ch.d.custom; + ch.d.custom = 0; + } else +#endif + if ( ch.format() ) { + ch.format()->removeRef(); + } + } + } + data.truncate( index ); + bidiDirty = TRUE; +} + +void TQTextString::remove( int index, int len ) +{ + for ( int i = index; i < (int)data.size() && i - index < len; ++i ) { + TQTextStringChar &ch = data[ i ]; +#ifndef QT_NO_TEXTCUSTOMITEM + if ( !(ch.type == TQTextStringChar::Regular) ) { + delete ch.customItem(); + if ( ch.d.custom->format ) + ch.d.custom->format->removeRef(); + delete ch.d.custom; + ch.d.custom = 0; + } else +#endif + if ( ch.format() ) { + ch.format()->removeRef(); + } + } + memmove( data.data() + index, data.data() + index + len, + sizeof( TQTextStringChar ) * ( data.size() - index - len ) ); + data.resize( data.size() - len, TQGArray::SpeedOptim ); + bidiDirty = TRUE; +} + +void TQTextString::clear() +{ + for ( int i = 0; i < (int)data.count(); ++i ) { + TQTextStringChar &ch = data[ i ]; +#ifndef QT_NO_TEXTCUSTOMITEM + if ( !(ch.type == TQTextStringChar::Regular) ) { + if ( ch.customItem() && ch.customItem()->placement() == TQTextCustomItem::PlaceInline ) + delete ch.customItem(); + if ( ch.d.custom->format ) + ch.d.custom->format->removeRef(); + delete ch.d.custom; + ch.d.custom = 0; + } else +#endif + if ( ch.format() ) { + ch.format()->removeRef(); + } + } + data.resize( 0 ); + bidiDirty = TRUE; +} + +void TQTextString::setFormat( int index, TQTextFormat *f, bool useCollection ) +{ + TQTextStringChar &ch = data[ index ]; + if ( useCollection && ch.format() ) + ch.format()->removeRef(); + ch.setFormat( f ); +} + +void TQTextString::checkBidi() const +{ + TQTextString *that = (TQTextString *)this; + that->bidiDirty = FALSE; + int length = data.size(); + if ( !length ) { + that->bidi = FALSE; + that->rightToLeft = dir == TQChar::DirR; + return; + } + const TQTextStringChar *start = data.data(); + const TQTextStringChar *end = start + length; + + ((TQTextString *)this)->stringCache = toString(data); + + + // determines the properties we need for layouting + TQTextEngine textEngine( toString(), 0 ); + textEngine.direction = (TQChar::Direction) dir; + textEngine.itemize(TQTextEngine::SingleLine); + const TQCharAttributes *ca = textEngine.attributes() + length-1; + TQTextStringChar *ch = (TQTextStringChar *)end - 1; + TQScriptItem *item = &textEngine.items[textEngine.items.size()-1]; + unsigned char bidiLevel = item->analysis.bidiLevel; + if ( bidiLevel ) + that->bidi = TRUE; + int pos = length-1; + while ( ch >= start ) { + if ( item->position > pos ) { + --item; + Q_ASSERT( item >= &textEngine.items[0] ); + Q_ASSERT( item < &textEngine.items[textEngine.items.size()] ); + bidiLevel = item->analysis.bidiLevel; + if ( bidiLevel ) + that->bidi = TRUE; + } + ch->softBreak = ca->softBreak; + ch->whiteSpace = ca->whiteSpace; + ch->charStop = ca->charStop; + ch->wordStop = ca->wordStop; + ch->bidiLevel = bidiLevel; + ch->rightToLeft = (bidiLevel%2); + --ch; + --ca; + --pos; + } + + if ( dir == TQChar::DirR ) { + that->bidi = TRUE; + that->rightToLeft = TRUE; + } else if ( dir == TQChar::DirL ) { + that->rightToLeft = FALSE; + } else { + that->rightToLeft = (textEngine.direction == TQChar::DirR); + } +} + +void TQTextDocument::setStyleSheet( TQStyleSheet *s ) +{ + if ( !s ) + return; + sheet_ = s; + list_tm = list_bm = par_tm = par_bm = 12; + list_lm = 40; + li_tm = li_bm = 0; + TQStyleSheetItem* item = s->item( "ol" ); + if ( item ) { + list_tm = TQMAX(0,item->margin( TQStyleSheetItem::MarginTop )); + list_bm = TQMAX(0,item->margin( TQStyleSheetItem::MarginBottom )); + list_lm = TQMAX(0,item->margin( TQStyleSheetItem::MarginLeft )); + } + if ( (item = s->item( "li" ) ) ) { + li_tm = TQMAX(0,item->margin( TQStyleSheetItem::MarginTop )); + li_bm = TQMAX(0,item->margin( TQStyleSheetItem::MarginBottom )); + } + if ( (item = s->item( "p" ) ) ) { + par_tm = TQMAX(0,item->margin( TQStyleSheetItem::MarginTop )); + par_bm = TQMAX(0,item->margin( TQStyleSheetItem::MarginBottom )); + } +} + +void TQTextDocument::setUnderlineLinks( bool b ) { + underlLinks = b; + for ( TQTextDocument *d = childList.first(); d; d = childList.next() ) + d->setUnderlineLinks( b ); +} + +void TQTextStringChar::setFormat( TQTextFormat *f ) +{ + if ( type == Regular ) { + d.format = f; + } else { +#ifndef QT_NO_TEXTCUSTOMITEM + if ( !d.custom ) { + d.custom = new CustomData; + d.custom->custom = 0; + } + d.custom->format = f; +#endif + } +} + +#ifndef QT_NO_TEXTCUSTOMITEM +void TQTextStringChar::setCustomItem( TQTextCustomItem *i ) +{ + if ( type == Regular ) { + TQTextFormat *f = format(); + d.custom = new CustomData; + d.custom->format = f; + } else { + delete d.custom->custom; + } + d.custom->custom = i; + type = (type == Anchor ? CustomAnchor : Custom); +} + +void TQTextStringChar::loseCustomItem() +{ + if ( type == Custom ) { + TQTextFormat *f = d.custom->format; + d.custom->custom = 0; + delete d.custom; + type = Regular; + d.format = f; + } else if ( type == CustomAnchor ) { + d.custom->custom = 0; + type = Anchor; + } +} + +#endif + +TQString TQTextStringChar::anchorName() const +{ + if ( type == Regular ) + return TQString::null; + else + return d.custom->anchorName; +} + +TQString TQTextStringChar::anchorHref() const +{ + if ( type == Regular ) + return TQString::null; + else + return d.custom->anchorHref; +} + +void TQTextStringChar::setAnchor( const TQString& name, const TQString& href ) +{ + if ( type == Regular ) { + TQTextFormat *f = format(); + d.custom = new CustomData; +#ifndef QT_NO_TEXTCUSTOMITEM + d.custom->custom = 0; +#endif + d.custom->format = f; + type = Anchor; + } else if ( type == Custom ) { + type = CustomAnchor; + } + d.custom->anchorName = name; + d.custom->anchorHref = href; +} + + +int TQTextString::width( int idx ) const +{ + int w = 0; + TQTextStringChar *c = &at( idx ); + if ( !c->charStop || c->c.unicode() == 0xad || c->c.unicode() == 0x2028 ) + return 0; +#ifndef QT_NO_TEXTCUSTOMITEM + if( c->isCustom() ) { + if( c->customItem()->placement() == TQTextCustomItem::PlaceInline ) + w = c->customItem()->width; + } else +#endif + { + int r = c->c.row(); + if(r < 0x06 +#ifndef Q_WS_WIN + // Uniscribe's handling of Asian makes the condition below fail. + || (r > 0x1f && !(r > 0xd7 && r < 0xe0)) +#endif + ) { + w = c->format()->width( c->c ); + } else { + w = c->format()->width(toString(), idx); + } + } + return w; +} + +// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +TQTextParagraph::TQTextParagraph( TQTextDocument *d, TQTextParagraph *pr, TQTextParagraph *nx, bool updateIds ) + : p( pr ), n( nx ), docOrPseudo( d ), + changed(FALSE), firstFormat(TRUE), firstPProcess(TRUE), needPreProcess(FALSE), fullWidth(TRUE), + lastInFrame(FALSE), visible(TRUE), breakable(TRUE), movedDown(FALSE), + mightHaveCustomItems(FALSE), hasdoc( d != 0 ), litem(FALSE), rtext(FALSE), + align( 0 ), lstyle( TQStyleSheetItem::ListDisc ), invalid( 0 ), mSelections( 0 ), +#ifndef QT_NO_TEXTCUSTOMITEM + mFloatingItems( 0 ), +#endif + utm( 0 ), ubm( 0 ), ulm( 0 ), urm( 0 ), uflm( 0 ), ulinespacing( 0 ), + tabStopWidth(0), minwidth(0), tArray(0), eData( 0 ), ldepth( 0 ) +{ + lstyle = TQStyleSheetItem::ListDisc; + if ( !hasdoc ) + docOrPseudo = new TQTextParagraphPseudoDocument; + bgcol = 0; + list_val = -1; + paintdevice = 0; + TQTextFormat* defFormat = formatCollection()->defaultFormat(); + if ( !hasdoc ) { + tabStopWidth = defFormat->width( 'x' ) * 8; + pseudoDocument()->commandHistory = new TQTextCommandHistory( 100 ); + } + + if ( p ) + p->n = this; + if ( n ) + n->p = this; + + if ( !p && hasdoc ) + document()->setFirstParagraph( this ); + if ( !n && hasdoc ) + document()->setLastParagraph( this ); + + state = -1; + + if ( p ) + id = p->id + 1; + else + id = 0; + if ( n && updateIds ) { + TQTextParagraph *s = n; + while ( s ) { + s->id = s->p->id + 1; + s->invalidateStyleCache(); + s = s->n; + } + } + + str = new TQTextString(); + TQChar ch(' '); + str->insert( 0, &ch, 1, formatCollection()->defaultFormat() ); +} + +TQTextParagraph::~TQTextParagraph() +{ + delete str; + if ( hasdoc ) { + register TQTextDocument *doc = document(); + if ( this == doc->minwParag ) { + doc->minwParag = 0; + doc->minw = 0; + } + if ( this == doc->curParag ) + doc->curParag = 0; + } else { + delete pseudoDocument(); + } + delete [] tArray; + delete eData; + TQMap<int, TQTextLineStart*>::Iterator it = lineStarts.begin(); + for ( ; it != lineStarts.end(); ++it ) + delete *it; + if ( mSelections ) + delete mSelections; +#ifndef QT_NO_TEXTCUSTOMITEM + if ( mFloatingItems ) + delete mFloatingItems; +#endif + if ( p ) + p->setNext( n ); + if ( n ) + n->setPrev( p ); + delete bgcol; +} + +void TQTextParagraph::setNext( TQTextParagraph *s ) +{ + n = s; + if ( !n && hasdoc ) + document()->setLastParagraph( this ); +} + +void TQTextParagraph::setPrev( TQTextParagraph *s ) +{ + p = s; + if ( !p && hasdoc ) + document()->setFirstParagraph( this ); +} + +void TQTextParagraph::invalidate( int chr ) +{ + if ( invalid < 0 ) + invalid = chr; + else + invalid = TQMIN( invalid, chr ); +#ifndef QT_NO_TEXTCUSTOMITEM + if ( mFloatingItems ) { + for ( TQTextCustomItem *i = mFloatingItems->first(); i; i = mFloatingItems->next() ) + i->ypos = -1; + } +#endif + invalidateStyleCache(); +} + +void TQTextParagraph::invalidateStyleCache() +{ + if ( list_val < 0 ) + list_val = -1; +} + + +void TQTextParagraph::insert( int index, const TQString &s ) +{ + insert( index, s.unicode(), s.length() ); +} + +void TQTextParagraph::insert( int index, const TQChar *unicode, int len ) +{ + if ( hasdoc && !document()->useFormatCollection() && document()->preProcessor() ) + str->insert( index, unicode, len, + document()->preProcessor()->format( TQTextPreProcessor::Standard ) ); + else + str->insert( index, unicode, len, formatCollection()->defaultFormat() ); + invalidate( index ); + needPreProcess = TRUE; +} + +void TQTextParagraph::truncate( int index ) +{ + str->truncate( index ); + insert( length(), " " ); + needPreProcess = TRUE; +} + +void TQTextParagraph::remove( int index, int len ) +{ + if ( index + len - str->length() > 0 ) + return; +#ifndef QT_NO_TEXTCUSTOMITEM + for ( int i = index; i < index + len; ++i ) { + TQTextStringChar *c = at( i ); + if ( hasdoc && c->isCustom() ) { + document()->unregisterCustomItem( c->customItem(), this ); + } + } +#endif + str->remove( index, len ); + invalidate( 0 ); + needPreProcess = TRUE; +} + +void TQTextParagraph::join( TQTextParagraph *s ) +{ + int oh = r.height() + s->r.height(); + n = s->n; + if ( n ) + n->p = this; + else if ( hasdoc ) + document()->setLastParagraph( this ); + + int start = str->length(); + if ( length() > 0 && at( length() - 1 )->c == ' ' ) { + remove( length() - 1, 1 ); + --start; + } + append( s->str->toString(), TRUE ); + + for ( int i = 0; i < s->length(); ++i ) { + if ( !hasdoc || document()->useFormatCollection() ) { + s->str->at( i ).format()->addRef(); + str->setFormat( i + start, s->str->at( i ).format(), TRUE ); + } +#ifndef QT_NO_TEXTCUSTOMITEM + if ( s->str->at( i ).isCustom() ) { + TQTextCustomItem * item = s->str->at( i ).customItem(); + str->at( i + start ).setCustomItem( item ); + s->str->at( i ).loseCustomItem(); + if ( hasdoc ) { + document()->unregisterCustomItem( item, s ); + document()->registerCustomItem( item, this ); + } + } + if ( s->str->at( i ).isAnchor() ) { + str->at( i + start ).setAnchor( s->str->at( i ).anchorName(), + s->str->at( i ).anchorHref() ); + } +#endif + } + + if ( !extraData() && s->extraData() ) { + setExtraData( s->extraData() ); + s->setExtraData( 0 ); + } else if ( extraData() && s->extraData() ) { + extraData()->join( s->extraData() ); + } + delete s; + invalidate( 0 ); + r.setHeight( oh ); + needPreProcess = TRUE; + if ( n ) { + TQTextParagraph *s = n; + s->invalidate( 0 ); + while ( s ) { + s->id = s->p->id + 1; + s->state = -1; + s->needPreProcess = TRUE; + s->changed = TRUE; + s->invalidateStyleCache(); + s = s->n; + } + } + format(); + state = -1; +} + +void TQTextParagraph::move( int &dy ) +{ + if ( dy == 0 ) + return; + changed = TRUE; + r.moveBy( 0, dy ); +#ifndef QT_NO_TEXTCUSTOMITEM + if ( mFloatingItems ) { + for ( TQTextCustomItem *i = mFloatingItems->first(); i; i = mFloatingItems->next() ) + i->ypos += dy; + } +#endif + if ( p ) + p->lastInFrame = TRUE; + + // do page breaks if retquired + if ( hasdoc && document()->isPageBreakEnabled() ) { + int shift; + if ( ( shift = document()->formatter()->formatVertically( document(), this ) ) ) { + if ( p ) + p->setChanged( TRUE ); + dy += shift; + } + } +} + +void TQTextParagraph::format( int start, bool doMove ) +{ + if ( !str || str->length() == 0 || !formatter() ) + return; + + if ( hasdoc && + document()->preProcessor() && + ( needPreProcess || state == -1 ) ) + document()->preProcessor()->process( document(), this, invalid <= 0 ? 0 : invalid ); + needPreProcess = FALSE; + + if ( invalid == -1 ) + return; + + r.moveTopLeft( TQPoint( documentX(), p ? p->r.y() + p->r.height() : documentY() ) ); + if ( p ) + p->lastInFrame = FALSE; + + movedDown = FALSE; + bool formattedAgain = FALSE; + + formatAgain: + + r.setWidth( documentWidth() ); +#ifndef QT_NO_TEXTCUSTOMITEM + if ( hasdoc && mFloatingItems ) { + for ( TQTextCustomItem *i = mFloatingItems->first(); i; i = mFloatingItems->next() ) { + i->ypos = r.y(); + if ( i->placement() == TQTextCustomItem::PlaceRight ) { + i->xpos = r.x() + r.width() - i->width; + } + } + } +#endif + TQMap<int, TQTextLineStart*> oldLineStarts = lineStarts; + lineStarts.clear(); + int y = formatter()->format( document(), this, start, oldLineStarts ); + + + r.setWidth( TQMAX( r.width(), formatter()->minimumWidth() ) ); + + + TQMap<int, TQTextLineStart*>::Iterator it = oldLineStarts.begin(); + + for ( ; it != oldLineStarts.end(); ++it ) + delete *it; + + if ( !hasdoc ) { // qt_format_text bounding rect handling + it = lineStarts.begin(); + int usedw = 0; + for ( ; it != lineStarts.end(); ++it ) + usedw = TQMAX( usedw, (*it)->w ); + if ( r.width() <= 0 ) { + // if the user specifies an invalid rect, this means that the + // bounding box should grow to the width that the text actually + // needs + r.setWidth( usedw ); + } else { + r.setWidth( TQMIN( usedw, r.width() ) ); + } + } + + if ( y != r.height() ) + r.setHeight( y ); + + if ( !visible ) { + r.setHeight( 0 ); + } else { + int minw = minwidth = formatter()->minimumWidth(); + int wused = formatter()->widthUsed(); + wused = TQMAX( minw, wused ); + if ( hasdoc ) { + document()->setMinimumWidth( minw, wused, this ); + } else { + pseudoDocument()->minw = TQMAX( pseudoDocument()->minw, minw ); + pseudoDocument()->wused = TQMAX( pseudoDocument()->wused, wused ); + } + } + + // do page breaks if retquired + if ( hasdoc && document()->isPageBreakEnabled() ) { + int shift = document()->formatter()->formatVertically( document(), this ); + if ( shift && !formattedAgain ) { + formattedAgain = TRUE; + goto formatAgain; + } + } + + if ( n && doMove && n->invalid == -1 && r.y() + r.height() != n->r.y() ) { + int dy = ( r.y() + r.height() ) - n->r.y(); + TQTextParagraph *s = n; + bool makeInvalid = p && p->lastInFrame; + while ( s && dy ) { + if ( !s->isFullWidth() ) + makeInvalid = TRUE; + if ( makeInvalid ) + s->invalidate( 0 ); + s->move( dy ); + if ( s->lastInFrame ) + makeInvalid = TRUE; + s = s->n; + } + } + + firstFormat = FALSE; + changed = TRUE; + invalid = -1; + //##### string()->setTextChanged( FALSE ); +} + +int TQTextParagraph::lineHeightOfChar( int i, int *bl, int *y ) const +{ + if ( !isValid() ) + ( (TQTextParagraph*)this )->format(); + + TQMap<int, TQTextLineStart*>::ConstIterator it = lineStarts.end(); + --it; + for ( ;; ) { + if ( i >= it.key() ) { + if ( bl ) + *bl = ( *it )->baseLine; + if ( y ) + *y = ( *it )->y; + return ( *it )->h; + } + if ( it == lineStarts.begin() ) + break; + --it; + } + + qWarning( "TQTextParagraph::lineHeightOfChar: couldn't find lh for %d", i ); + return 15; +} + +TQTextStringChar *TQTextParagraph::lineStartOfChar( int i, int *index, int *line ) const +{ + if ( !isValid() ) + ( (TQTextParagraph*)this )->format(); + + int l = (int)lineStarts.count() - 1; + TQMap<int, TQTextLineStart*>::ConstIterator it = lineStarts.end(); + --it; + for ( ;; ) { + if ( i >= it.key() ) { + if ( index ) + *index = it.key(); + if ( line ) + *line = l; + return &str->at( it.key() ); + } + if ( it == lineStarts.begin() ) + break; + --it; + --l; + } + + qWarning( "TQTextParagraph::lineStartOfChar: couldn't find %d", i ); + return 0; +} + +int TQTextParagraph::lines() const +{ + if ( !isValid() ) + ( (TQTextParagraph*)this )->format(); + + return (int)lineStarts.count(); +} + +TQTextStringChar *TQTextParagraph::lineStartOfLine( int line, int *index ) const +{ + if ( !isValid() ) + ( (TQTextParagraph*)this )->format(); + + if ( line >= 0 && line < (int)lineStarts.count() ) { + TQMap<int, TQTextLineStart*>::ConstIterator it = lineStarts.begin(); + while ( line-- > 0 ) + ++it; + int i = it.key(); + if ( index ) + *index = i; + return &str->at( i ); + } + + qWarning( "TQTextParagraph::lineStartOfLine: couldn't find %d", line ); + return 0; +} + +int TQTextParagraph::leftGap() const +{ + if ( !isValid() ) + ( (TQTextParagraph*)this )->format(); + + if ( str->length() == 0) + return 0; + + int line = 0; + int x = str->length() ? str->at(0).x : 0; /* set x to x of first char */ + if ( str->isBidi() ) { + for ( int i = 1; i < str->length()-1; ++i ) + x = TQMIN(x, str->at(i).x); + return x; + } + + TQMap<int, TQTextLineStart*>::ConstIterator it = lineStarts.begin(); + while (line < (int)lineStarts.count()) { + int i = it.key(); /* char index */ + x = TQMIN(x, str->at(i).x); + ++it; + ++line; + } + return x; +} + +void TQTextParagraph::setFormat( int index, int len, TQTextFormat *f, bool useCollection, int flags ) +{ + if ( !f ) + return; + if ( index < 0 ) + index = 0; + if ( index > str->length() - 1 ) + index = str->length() - 1; + if ( index + len >= str->length() ) + len = str->length() - index; + + TQTextFormatCollection *fc = 0; + if ( useCollection ) + fc = formatCollection(); + TQTextFormat *of; + for ( int i = 0; i < len; ++i ) { + of = str->at( i + index ).format(); + if ( !changed && ( !of || f->key() != of->key() ) ) + changed = TRUE; + if ( invalid == -1 && + ( f->font().family() != of->font().family() || + f->font().pointSize() != of->font().pointSize() || + f->font().weight() != of->font().weight() || + f->font().italic() != of->font().italic() || + f->vAlign() != of->vAlign() ) ) { + invalidate( 0 ); + } + if ( flags == -1 || flags == TQTextFormat::Format || !fc ) { + if ( fc ) + f = fc->format( f ); + str->setFormat( i + index, f, useCollection ); + } else { + TQTextFormat *fm = fc->format( of, f, flags ); + str->setFormat( i + index, fm, useCollection ); + } + } +} + +void TQTextParagraph::indent( int *oldIndent, int *newIndent ) +{ + if ( !hasdoc || !document()->indent() || isListItem() ) { + if ( oldIndent ) + *oldIndent = 0; + if ( newIndent ) + *newIndent = 0; + if ( oldIndent && newIndent ) + *newIndent = *oldIndent; + return; + } + document()->indent()->indent( document(), this, oldIndent, newIndent ); +} + +void TQTextParagraph::paint( TQPainter &painter, const TQColorGroup &cg, TQTextCursor *cursor, bool drawSelections, + int clipx, int clipy, int clipw, int cliph ) +{ + if ( !visible ) + return; + int i, y, h, baseLine, xstart, xend = 0; + i = y =h = baseLine = 0; + TQRect cursorRect; + drawSelections &= ( mSelections != 0 ); + // macintosh full-width selection style + bool fullWidthStyle = TQApplication::style().styleHint(TQStyle::SH_RichText_FullWidthSelection); + int fullSelectionWidth = 0; + if ( drawSelections && fullWidthStyle ) + fullSelectionWidth = (hasdoc ? document()->width() : r.width()); + + TQString qstr = str->toString(); + // detach string + qstr.setLength(qstr.length()); + // ### workaround so that \n are not drawn, actually this should + // be fixed in TQFont somewhere (under Windows you get ugly boxes + // otherwise) + TQChar* uc = (TQChar*) qstr.unicode(); + for ( uint ii = 0; ii < qstr.length(); ii++ ) + if ( uc[(int)ii]== '\n' || uc[(int)ii] == '\t' ) + uc[(int)ii] = 0x20; + + int line = -1; + int paintStart = 0; + TQTextStringChar *chr = 0; + TQTextStringChar *nextchr = at( 0 ); + for ( i = 0; i < length(); i++ ) { + chr = nextchr; + if ( i < length()-1 ) + nextchr = at( i+1 ); + + // we flush at end of document + bool flush = (i == length()-1); + bool ignoreSoftHyphen = FALSE; + if ( !flush ) { + // we flush at end of line + flush |= nextchr->lineStart; + // we flush on format changes + flush |= ( nextchr->format() != chr->format() ); + // we flush on link changes + flush |= ( nextchr->isLink() != chr->isLink() ); + // we flush on start of run + flush |= ( nextchr->bidiLevel != chr->bidiLevel ); + // we flush on bidi changes + flush |= ( nextchr->rightToLeft != chr->rightToLeft ); + // we flush before and after tabs + flush |= ( chr->c == '\t' || nextchr->c == '\t' ); + // we flush on soft hypens + if (chr->c.unicode() == 0xad) { + flush = TRUE; + if (!nextchr->lineStart) + ignoreSoftHyphen = TRUE; + } + // we flush on custom items + flush |= chr->isCustom(); + // we flush before custom items + flush |= nextchr->isCustom(); + // when painting justified, we flush on spaces + if ((alignment() & TQt::AlignJustify) == TQt::AlignJustify ) + flush |= chr->whiteSpace; + } + + // init a new line + if ( chr->lineStart ) { + ++line; + paintStart = i; + lineInfo( line, y, h, baseLine ); + if ( clipy != -1 && cliph != 0 && y + r.y() - h > clipy + cliph ) { // outside clip area, leave + break; + } + + // if this is the first line and we are a list item, draw the the bullet label + if ( line == 0 && isListItem() ) { + int x = chr->x; + if (str->isBidi()) { + if (str->isRightToLeft()) { + x = chr->x + str->width(0); + for (int k = 1; k < length(); ++k) { + if (str->at(k).lineStart) + break; + x = TQMAX(x, str->at(k).x + str->width(k)); + } + } else { + x = chr->x; + for (int k = 1; k < length(); ++k) { + if (str->at(k).lineStart) + break; + x = TQMIN(x, str->at(k).x); + } + } + } + drawLabel( &painter, x, y, 0, 0, baseLine, cg ); + } + } + + // check for cursor mark + if ( cursor && this == cursor->paragraph() && i == cursor->index() ) { + TQTextStringChar *c = i == 0 ? chr : chr - 1; + cursorRect.setRect( cursor->x() , y + baseLine - c->format()->ascent(), + 1, c->format()->height() ); + } + + if ( flush ) { // something changed, draw what we have so far + if ( chr->rightToLeft ) { + xstart = chr->x; + xend = at( paintStart )->x + str->width( paintStart ); + } else { + xstart = at( paintStart )->x; + xend = chr->x; + if ( i < length() - 1 ) { + if ( !str->at( i + 1 ).lineStart && + str->at( i + 1 ).rightToLeft == chr->rightToLeft ) + xend = str->at( i + 1 ).x; + else + xend += str->width( i ); + } + } + + if ( (clipx == -1 || clipw <= 0 || (xend >= clipx && xstart <= clipx + clipw)) && + ( clipy == -1 || clipy < y+r.y()+h ) ) { + if ( !chr->isCustom() ) + drawString( painter, qstr, paintStart, i - paintStart + (ignoreSoftHyphen ? 0 : 1), xstart, y, + baseLine, xend-xstart, h, drawSelections, fullSelectionWidth, + chr, cg, chr->rightToLeft ); +#ifndef QT_NO_TEXTCUSTOMITEM + else if ( chr->customItem()->placement() == TQTextCustomItem::PlaceInline ) { + bool inSelection = FALSE; + if (drawSelections) { + TQMap<int, TQTextParagraphSelection>::ConstIterator it = mSelections->find( TQTextDocument::Standard ); + inSelection = (it != mSelections->end() && (*it).start <= i && (*it).end > i); + } + chr->customItem()->draw( &painter, chr->x, y, + clipx == -1 ? clipx : (clipx - r.x()), + clipy == -1 ? clipy : (clipy - r.y()), + clipw, cliph, cg, inSelection ); + } +#endif + } + paintStart = i+1; + } + + } + + // time to draw the cursor + const int cursor_extent = 4; + if ( !cursorRect.isNull() && cursor && + ((clipx == -1 || clipw == -1) || (cursorRect.right()+cursor_extent >= clipx && cursorRect.left()-cursor_extent <= clipx + clipw)) ) { + painter.fillRect( cursorRect, cg.color( TQColorGroup::Text ) ); + painter.save(); + if ( string()->isBidi() ) { + if ( at( cursor->index() )->rightToLeft ) { + painter.setPen( TQt::black ); + painter.drawLine( cursorRect.x(), cursorRect.y(), cursorRect.x() - cursor_extent / 2, cursorRect.y() + cursor_extent / 2 ); + painter.drawLine( cursorRect.x(), cursorRect.y() + cursor_extent, cursorRect.x() - cursor_extent / 2, cursorRect.y() + cursor_extent / 2 ); + } else { + painter.setPen( TQt::black ); + painter.drawLine( cursorRect.x(), cursorRect.y(), cursorRect.x() + cursor_extent / 2, cursorRect.y() + cursor_extent / 2 ); + painter.drawLine( cursorRect.x(), cursorRect.y() + cursor_extent, cursorRect.x() + cursor_extent / 2, cursorRect.y() + cursor_extent / 2 ); + } + } + painter.restore(); + } +} + +//#define BIDI_DEBUG + +void TQTextParagraph::setColorForSelection( TQColor &color, TQPainter &painter, + const TQColorGroup& cg, int selection ) +{ + if (selection < 0) + return; + color = ( hasdoc && selection != TQTextDocument::Standard ) ? + document()->selectionColor( selection ) : + cg.color( TQColorGroup::Highlight ); + if ( selection == TQTextDocument::IMCompositionText ) { +#ifndef Q_WS_MACX + int h1, s1, v1, h2, s2, v2; + cg.color( TQColorGroup::Base ).hsv( &h1, &s1, &v1 ); + cg.color( TQColorGroup::Background ).hsv( &h2, &s2, &v2 ); + color.setHsv( h1, s1, ( v1 + v2 ) / 2 ); +#else + color = TQt::lightGray; +#endif + painter.setPen( cg.color( TQColorGroup::Text ) ); + } else if ( selection == TQTextDocument::IMSelectionText ) { + color = cg.color( TQColorGroup::Dark ); + painter.setPen( cg.color( TQColorGroup::BrightText ) ); + } else if ( !hasdoc || document()->invertSelectionText( selection ) ) { + painter.setPen( cg.color( TQColorGroup::HighlightedText ) ); + } +} + +void TQTextParagraph::drawString( TQPainter &painter, const TQString &str, int start, int len, int xstart, + int y, int baseLine, int w, int h, bool drawSelections, int fullSelectionWidth, + TQTextStringChar *formatChar, const TQColorGroup& cg, + bool rightToLeft ) +{ + bool plainText = hasdoc ? document()->textFormat() == TQt::PlainText : FALSE; + TQTextFormat* format = formatChar->format(); + + if ( !plainText || hasdoc && format->color() != document()->formatCollection()->defaultFormat()->color() ) + painter.setPen( TQPen( format->color() ) ); + else + painter.setPen( cg.text() ); + painter.setFont( format->font() ); + + if ( hasdoc && formatChar->isAnchor() && !formatChar->anchorHref().isEmpty() ) { + if ( format->useLinkColor() ) + painter.setPen(document()->linkColor.isValid() ? document()->linkColor : cg.link()); + if ( document()->underlineLinks() ) { + TQFont fn = format->font(); + fn.setUnderline( TRUE ); + painter.setFont( fn ); + } + } + + TQPainter::TextDirection dir = rightToLeft ? TQPainter::RTL : TQPainter::LTR; + + int real_length = len; + if (len && dir != TQPainter::RTL && start + len == length() ) // don't draw the last character (trailing space) + len--; + if (len && str.unicode()[start+len-1] == TQChar_linesep) + len--; + + + TQTextFormat::VerticalAlignment vAlign = format->vAlign(); + if ( vAlign != TQTextFormat::AlignNormal ) { + // sub or superscript + TQFont f( painter.font() ); + if ( format->fontSizesInPixels() ) + f.setPixelSize( ( f.pixelSize() * 2 ) / 3 ); + else + f.setPointSize( ( f.pointSize() * 2 ) / 3 ); + painter.setFont( f ); + int h = painter.fontMetrics().height(); + baseLine += (vAlign == TQTextFormat::AlignSubScript) ? h/6 : -h/2; + } + + bool allSelected = FALSE; + if (drawSelections) { + TQMap<int, TQTextParagraphSelection>::ConstIterator it = mSelections->find( TQTextDocument::Standard ); + allSelected = (it != mSelections->end() && (*it).start <= start && (*it).end >= start+len); + } + if (!allSelected) + painter.drawText(xstart, y + baseLine, str, start, len, dir); + +#ifdef BIDI_DEBUG + painter.save(); + painter.setPen ( TQt::red ); + painter.drawLine( xstart, y, xstart, y + baseLine ); + painter.drawLine( xstart, y + baseLine/2, xstart + 10, y + baseLine/2 ); + int w = 0; + int i = 0; + while( i < len ) + w += painter.fontMetrics().charWidth( str, start + i++ ); + painter.setPen ( TQt::blue ); + painter.drawLine( xstart + w - 1, y, xstart + w - 1, y + baseLine ); + painter.drawLine( xstart + w - 1, y + baseLine/2, xstart + w - 1 - 10, y + baseLine/2 ); + painter.restore(); +#endif + + // check if we are in a selection and draw it + if (drawSelections) { + TQMap<int, TQTextParagraphSelection>::ConstIterator it = mSelections->end(); + while ( it != mSelections->begin() ) { + --it; + int selStart = (*it).start; + int selEnd = (*it).end; + int tmpw = w; + + selStart = TQMAX(selStart, start); + int real_selEnd = TQMIN(selEnd, start+real_length); + selEnd = TQMIN(selEnd, start+len); + bool extendRight = FALSE; + bool extendLeft = FALSE; + bool selWrap = (real_selEnd == length()-1 && n && n->hasSelection(it.key())); + if (selWrap || this->str->at(real_selEnd).lineStart) { + extendRight = (fullSelectionWidth != 0); + if (!extendRight && !rightToLeft) + tmpw += painter.fontMetrics().width(' '); + } + if (fullSelectionWidth && (selStart == 0 || this->str->at(selStart).lineStart)) { + extendLeft = TRUE; + } + if (this->str->isRightToLeft() != rightToLeft) + extendLeft = extendRight = FALSE; + + if (this->str->isRightToLeft()) { + bool tmp = extendLeft; + extendLeft = extendRight; + extendRight = tmp; + } + + if (selStart < real_selEnd || + selWrap && fullSelectionWidth && extendRight && + // don't draw the standard selection on a printer= + (it.key() != TQTextDocument::Standard || !is_printer( &painter))) { + int selection = it.key(); + TQColor color; + setColorForSelection( color, painter, cg, selection ); + if (selStart != start || selEnd != start + len || selWrap) { + // have to clip + painter.save(); + int cs, ce; + if (rightToLeft) { + cs = (selEnd != start + len) ? + this->str->at(this->str->previousCursorPosition(selEnd)).x : xstart; + ce = (selStart != start) ? + this->str->at(this->str->previousCursorPosition(selStart)).x : xstart+tmpw; + } else { + cs = (selStart != start) ? this->str->at(selStart).x : xstart; + ce = (selEnd != start + len) ? this->str->at(selEnd).x : xstart+tmpw; + } + TQRect r(cs, y, ce-cs, h); + if (extendLeft) + r.setLeft(0); + if (extendRight) + r.setRight(fullSelectionWidth); + TQRegion reg(r); + if ( painter.hasClipping() ) + reg &= painter.clipRegion(TQPainter::CoordPainter); + painter.setClipRegion(reg, TQPainter::CoordPainter); + } + int xleft = xstart; + if ( extendLeft ) { + tmpw += xstart; + xleft = 0; + } + if ( extendRight ) + tmpw = fullSelectionWidth - xleft; + painter.fillRect( xleft, y, tmpw, h, color ); + painter.drawText( xstart, y + baseLine, str, start, len, dir ); + // draw preedit's underline + if (selection == TQTextDocument::IMCompositionText) + painter.drawLine(xstart, y + baseLine + 1, xstart + w, y + baseLine + 1); + if (selStart != start || selEnd != start + len || selWrap) + painter.restore(); + } + } + } + + if ( format->isMisspelled() ) { + painter.save(); + painter.setPen( TQPen( TQt::red, 1, TQt::DotLine ) ); + painter.drawLine( xstart, y + baseLine + 1, xstart + w, y + baseLine + 1 ); + painter.restore(); + } + + if ( hasdoc && formatChar->isAnchor() && !formatChar->anchorHref().isEmpty() && + document()->focusIndicator.parag == this && + ( document()->focusIndicator.start >= start && + document()->focusIndicator.start + document()->focusIndicator.len <= start + len || + document()->focusIndicator.start <= start && + document()->focusIndicator.start + document()->focusIndicator.len >= start + len ) ) + painter.drawWinFocusRect( TQRect( xstart, y, w, h ) ); +} + +void TQTextParagraph::drawLabel( TQPainter* p, int x, int y, int w, int h, int base, const TQColorGroup& cg ) +{ + TQRect r ( x, y, w, h ); + TQStyleSheetItem::ListStyle s = listStyle(); + + p->save(); + TQTextFormat *format = at( 0 )->format(); + if ( format ) { + p->setPen( format->color() ); + p->setFont( format->font() ); + } + TQFontMetrics fm( p->fontMetrics() ); + int size = fm.lineSpacing() / 3; + + bool rtl = str->isRightToLeft(); + + switch ( s ) { + case TQStyleSheetItem::ListDecimal: + case TQStyleSheetItem::ListLowerAlpha: + case TQStyleSheetItem::ListUpperAlpha: + { + if ( list_val == -1 ) { // uninitialised list value, calcluate the right one + int depth = listDepth(); + list_val--; + // ### evil, square and expensive. This needs to be done when formatting, not when painting + TQTextParagraph* s = prev(); + int depth_s; + while ( s && (depth_s = s->listDepth()) >= depth ) { + if ( depth_s == depth && s->isListItem() ) + list_val--; + s = s->prev(); + } + } + + int n = list_val; + if ( n < -1 ) + n = -n - 1; + TQString l; + switch ( s ) { + case TQStyleSheetItem::ListLowerAlpha: + if ( n < 27 ) { + l = TQChar( ('a' + (char) (n-1))); + break; + } + case TQStyleSheetItem::ListUpperAlpha: + if ( n < 27 ) { + l = TQChar( ('A' + (char) (n-1))); + break; + } + break; + default: //TQStyleSheetItem::ListDecimal: + l.setNum( n ); + break; + } + if (rtl) + l.prepend(" ."); + else + l += TQString::fromLatin1(". "); + int x = ( rtl ? r.left() : r.right() - fm.width(l)); + p->drawText( x, r.top() + base, l ); + } + break; + case TQStyleSheetItem::ListSquare: + { + int x = rtl ? r.left() + size : r.right() - size*2; + TQRect er( x, r.top() + fm.height() / 2 - size / 2, size, size ); + p->fillRect( er , cg.brush( TQColorGroup::Text ) ); + } + break; + case TQStyleSheetItem::ListCircle: + { + int x = rtl ? r.left() + size : r.right() - size*2; + TQRect er( x, r.top() + fm.height() / 2 - size / 2, size, size); + p->drawEllipse( er ); + } + break; + case TQStyleSheetItem::ListDisc: + default: + { + p->setBrush( cg.brush( TQColorGroup::Text )); + int x = rtl ? r.left() + size : r.right() - size*2; + TQRect er( x, r.top() + fm.height() / 2 - size / 2, size, size); + p->drawEllipse( er ); + p->setBrush( TQt::NoBrush ); + } + break; + } + + p->restore(); +} + +#ifndef QT_NO_DATASTREAM +void TQTextParagraph::readStyleInformation( TQDataStream& stream ) +{ + int int_align, int_lstyle; + uchar uchar_litem, uchar_rtext, uchar_dir; + stream >> int_align >> int_lstyle >> utm >> ubm >> ulm >> urm >> uflm + >> ulinespacing >> ldepth >> uchar_litem >> uchar_rtext >> uchar_dir; + align = int_align; lstyle = (TQStyleSheetItem::ListStyle) int_lstyle; + litem = uchar_litem; rtext = uchar_rtext; str->setDirection( (TQChar::Direction)uchar_dir ); + TQTextParagraph* s = prev() ? prev() : this; + while ( s ) { + s->invalidate( 0 ); + s = s->next(); + } +} + +void TQTextParagraph::writeStyleInformation( TQDataStream& stream ) const +{ + stream << (int) align << (int) lstyle << utm << ubm << ulm << urm << uflm << ulinespacing << ldepth << (uchar)litem << (uchar)rtext << (uchar)str->direction(); +} +#endif + + +void TQTextParagraph::setListItem( bool li ) +{ + if ( (bool)litem == li ) + return; + litem = li; + changed = TRUE; + TQTextParagraph* s = prev() ? prev() : this; + while ( s ) { + s->invalidate( 0 ); + s = s->next(); + } +} + +void TQTextParagraph::setListDepth( int depth ) { + if ( !hasdoc || depth == ldepth ) + return; + ldepth = depth; + TQTextParagraph* s = prev() ? prev() : this; + while ( s ) { + s->invalidate( 0 ); + s = s->next(); + } +} + +int *TQTextParagraph::tabArray() const +{ + int *ta = tArray; + if ( !ta && hasdoc ) + ta = document()->tabArray(); + return ta; +} + +int TQTextParagraph::nextTab( int, int x ) +{ + int *ta = tArray; + if ( hasdoc ) { + if ( !ta ) + ta = document()->tabArray(); + tabStopWidth = document()->tabStopWidth(); + } + if ( ta ) { + int i = 0; + while ( ta[ i ] ) { + if ( ta[ i ] >= x ) + return tArray[ i ]; + ++i; + } + return tArray[ 0 ]; + } else { + int d; + if ( tabStopWidth != 0 ) + d = x / tabStopWidth; + else + return x; + return tabStopWidth * ( d + 1 ); + } +} + +void TQTextParagraph::adjustToPainter( TQPainter *p ) +{ +#ifndef QT_NO_TEXTCUSTOMITEM + for ( int i = 0; i < length(); ++i ) { + if ( at( i )->isCustom() ) + at( i )->customItem()->adjustToPainter( p ); + } +#endif +} + +TQTextFormatCollection *TQTextParagraph::formatCollection() const +{ + if ( hasdoc ) + return document()->formatCollection(); + TQTextFormatCollection* fc = &pseudoDocument()->collection; + if ( paintdevice != fc->paintDevice() ) + fc->setPaintDevice( paintdevice ); + return fc; +} + +TQString TQTextParagraph::richText() const +{ + TQString s; + TQTextStringChar *formatChar = 0; + TQString spaces; + bool doStart = richTextExportStart && richTextExportStart->paragraph() == this; + bool doEnd = richTextExportEnd && richTextExportEnd->paragraph() == this; + int i; + TQString lastAnchorName; + for ( i = 0; i < length()-1; ++i ) { + if ( doStart && i && richTextExportStart->index() == i ) + s += "<!--StartFragment-->"; + if ( doEnd && richTextExportEnd->index() == i ) + s += "<!--EndFragment-->"; + TQTextStringChar *c = &str->at( i ); + if ( c->isAnchor() && !c->anchorName().isEmpty() && c->anchorName() != lastAnchorName ) { + lastAnchorName = c->anchorName(); + if ( c->anchorName().contains( '#' ) ) { + TQStringList l = TQStringList::split( '#', c->anchorName() ); + for ( TQStringList::ConstIterator it = l.begin(); it != l.end(); ++it ) + s += "<a name=\"" + *it + "\"></a>"; + } else { + s += "<a name=\"" + c->anchorName() + "\"></a>"; + } + } + if ( !formatChar ) { + s += c->format()->makeFormatChangeTags( formatCollection()->defaultFormat(), + 0, TQString::null, c->anchorHref() ); + formatChar = c; + } else if ( ( formatChar->format()->key() != c->format()->key() ) || + (c->anchorHref() != formatChar->anchorHref() ) ) { + s += c->format()->makeFormatChangeTags( formatCollection()->defaultFormat(), + formatChar->format() , formatChar->anchorHref(), c->anchorHref() ); + formatChar = c; + } + if ( c->c == '<' ) + s += "<"; + else if ( c->c == '>' ) + s += ">"; + else if ( c->c =='&' ) + s += "&"; + else if ( c->c =='\"' ) + s += """; +#ifndef QT_NO_TEXTCUSTOMITEM + else if ( c->isCustom() ) + s += c->customItem()->richText(); +#endif + else if ( c->c == '\n' || c->c == TQChar_linesep ) + s += "<br />"; // space on purpose for compatibility with Netscape, Lynx & Co. + else + s += c->c; + } + if ( doEnd && richTextExportEnd->index() == i ) + s += "<!--EndFragment-->"; + if ( formatChar ) + s += formatChar->format()->makeFormatEndTags( formatCollection()->defaultFormat(), formatChar->anchorHref() ); + return s; +} + +void TQTextParagraph::addCommand( TQTextCommand *cmd ) +{ + if ( !hasdoc ) + pseudoDocument()->commandHistory->addCommand( cmd ); + else + document()->commands()->addCommand( cmd ); +} + +TQTextCursor *TQTextParagraph::undo( TQTextCursor *c ) +{ + if ( !hasdoc ) + return pseudoDocument()->commandHistory->undo( c ); + return document()->commands()->undo( c ); +} + +TQTextCursor *TQTextParagraph::redo( TQTextCursor *c ) +{ + if ( !hasdoc ) + return pseudoDocument()->commandHistory->redo( c ); + return document()->commands()->redo( c ); +} + +int TQTextParagraph::topMargin() const +{ + int m = 0; + if ( rtext ) { + m = isListItem() ? (document()->li_tm/TQMAX(1,listDepth()*listDepth())) : + ( listDepth() ? 0 : document()->par_tm ); + if ( listDepth() == 1 &&( !prev() || prev()->listDepth() < listDepth() ) ) + m = TQMAX( m, document()->list_tm ); + } + m += utm; + return scale( m, TQTextFormat::painter() ); +} + +int TQTextParagraph::bottomMargin() const +{ + int m = 0; + if ( rtext ) { + m = isListItem() ? (document()->li_bm/TQMAX(1,listDepth()*listDepth())) : + ( listDepth() ? 0 : document()->par_bm ); + if ( listDepth() == 1 &&( !next() || next()->listDepth() < listDepth() ) ) + m = TQMAX( m, document()->list_bm ); + } + m += ubm; + return scale( m, TQTextFormat::painter() ); +} + +int TQTextParagraph::leftMargin() const +{ + int m = ulm; + if ( listDepth() && !string()->isRightToLeft() ) + m += listDepth() * document()->list_lm; + return scale( m, TQTextFormat::painter() ); +} + +int TQTextParagraph::firstLineMargin() const +{ + int m = uflm; + return scale( m, TQTextFormat::painter() ); +} + +int TQTextParagraph::rightMargin() const +{ + int m = urm; + if ( listDepth() && string()->isRightToLeft() ) + m += listDepth() * document()->list_lm; + return scale( m, TQTextFormat::painter() ); +} + +int TQTextParagraph::lineSpacing() const +{ + int l = ulinespacing; + l = scale( l, TQTextFormat::painter() ); + return l; +} + +void TQTextParagraph::copyParagData( TQTextParagraph *parag ) +{ + rtext = parag->rtext; + lstyle = parag->lstyle; + ldepth = parag->ldepth; + litem = parag->litem; + align = parag->align; + utm = parag->utm; + ubm = parag->ubm; + urm = parag->urm; + ulm = parag->ulm; + uflm = parag->uflm; + ulinespacing = parag->ulinespacing; + TQColor *c = parag->backgroundColor(); + if ( c ) + setBackgroundColor( *c ); + str->setDirection( parag->str->direction() ); +} + +void TQTextParagraph::show() +{ + if ( visible || !hasdoc ) + return; + visible = TRUE; +} + +void TQTextParagraph::hide() +{ + if ( !visible || !hasdoc ) + return; + visible = FALSE; +} + +void TQTextParagraph::setDirection( TQChar::Direction d ) +{ + if ( str && str->direction() != d ) { + str->setDirection( d ); + invalidate( 0 ); + } +} + +TQChar::Direction TQTextParagraph::direction() const +{ + return (str ? str->direction() : TQChar::DirON ); +} + +void TQTextParagraph::setChanged( bool b, bool recursive ) +{ + changed = b; + if ( recursive ) { + if ( document() && document()->parentParagraph() ) + document()->parentParagraph()->setChanged( b, recursive ); + } +} + +// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + + +TQTextPreProcessor::TQTextPreProcessor() +{ +} + +// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +TQTextFormatter::TQTextFormatter() + : thisminw(0), thiswused(0), wrapEnabled( TRUE ), wrapColumn( -1 ), biw( FALSE ) +{ +} + +TQTextLineStart *TQTextFormatter::formatLine( TQTextParagraph *parag, TQTextString *string, TQTextLineStart *line, + TQTextStringChar *startChar, TQTextStringChar *lastChar, int align, int space ) +{ + if ( lastChar < startChar ) + return new TQTextLineStart; +#ifndef QT_NO_COMPLEXTEXT + if( string->isBidi() ) + return bidiReorderLine( parag, string, line, startChar, lastChar, align, space ); +#endif + int start = (startChar - &string->at(0)); + int last = (lastChar - &string->at(0) ); + + // ignore white space at the end of the line. + TQTextStringChar *ch = lastChar; + while ( ch > startChar && ch->whiteSpace ) { + space += ch->format()->width( ' ' ); + --ch; + } + + if (space < 0) + space = 0; + + // do alignment Auto == Left in this case + if ( align & TQt::AlignHCenter || align & TQt::AlignRight ) { + if ( align & TQt::AlignHCenter ) + space /= 2; + for ( int j = start; j <= last; ++j ) + string->at( j ).x += space; + } else if ( align & TQt::AlignJustify ) { + int numSpaces = 0; + // End at "last-1", the last space ends up with a width of 0 + for ( int j = last-1; j >= start; --j ) { + // Start at last tab, if any. + TQTextStringChar &ch = string->at( j ); + if ( ch.c == '\t' ) { + start = j+1; + break; + } + if(ch.whiteSpace) + numSpaces++; + } + int toAdd = 0; + for ( int k = start + 1; k <= last; ++k ) { + TQTextStringChar &ch = string->at( k ); + if( numSpaces && ch.whiteSpace ) { + int s = space / numSpaces; + toAdd += s; + space -= s; + numSpaces--; + } + string->at( k ).x += toAdd; + } + } + + if ( last >= 0 && last < string->length() ) + line->w = string->at( last ).x + string->width( last ); + else + line->w = 0; + + return new TQTextLineStart; +} + +#ifndef QT_NO_COMPLEXTEXT + +#ifdef BIDI_DEBUG +#include <iostream> +#endif + +// collects one line of the paragraph and transforms it to visual order +TQTextLineStart *TQTextFormatter::bidiReorderLine( TQTextParagraph * /*parag*/, TQTextString *text, TQTextLineStart *line, + TQTextStringChar *startChar, TQTextStringChar *lastChar, int align, int space ) +{ + // ignore white space at the end of the line. + int endSpaces = 0; + while ( lastChar > startChar && lastChar->whiteSpace ) { + space += lastChar->format()->width( ' ' ); + --lastChar; + ++endSpaces; + } + + int start = (startChar - &text->at(0)); + int last = (lastChar - &text->at(0) ); + + int length = lastChar - startChar + 1; + + + int x = startChar->x; + + unsigned char _levels[256]; + int _visual[256]; + + unsigned char *levels = _levels; + int *visual = _visual; + + if ( length > 255 ) { + levels = (unsigned char *)malloc( length*sizeof( unsigned char ) ); + visual = (int *)malloc( length*sizeof( int ) ); + } + + //qDebug("bidiReorderLine: length=%d (%d-%d)", length, start, last ); + + TQTextStringChar *ch = startChar; + unsigned char *l = levels; + while ( ch <= lastChar ) { + //qDebug( " level: %d", ch->bidiLevel ); + *(l++) = (ch++)->bidiLevel; + } + + TQTextEngine::bidiReorder( length, levels, visual ); + + // now construct the reordered string out of the runs... + + int numSpaces = 0; + // set the correct alignment. This is a bit messy.... + if( align == TQt::AlignAuto ) { + // align according to directionality of the paragraph... + if ( text->isRightToLeft() ) + align = TQt::AlignRight; + } + + // This is not really correct, but as we can't make the scrollbar move to the left of the origin, + // this ensures all text can be scrolled to and read. + if (space < 0) + space = 0; + + if ( align & TQt::AlignHCenter ) + x += space/2; + else if ( align & TQt::AlignRight ) + x += space; + else if ( align & TQt::AlignJustify ) { + // End at "last-1", the last space ends up with a width of 0 + for ( int j = last-1; j >= start; --j ) { + // Start at last tab, if any. + TQTextStringChar &ch = text->at( j ); + if ( ch.c == '\t' ) { + start = j+1; + break; + } + if(ch.whiteSpace) + numSpaces++; + } + } + + int toAdd = 0; + int xorig = x; + TQTextStringChar *lc = startChar + visual[0]; + for ( int i = 0; i < length; i++ ) { + TQTextStringChar *ch = startChar + visual[i]; + if (numSpaces && ch->whiteSpace) { + int s = space / numSpaces; + toAdd += s; + space -= s; + numSpaces--; + } + + if (lc->format() != ch->format() && !ch->c.isSpace() + && lc->format()->font().italic() && !ch->format()->font().italic()) { + int rb = lc->format()->fontMetrics().rightBearing(lc->c); + if (rb < 0) + x -= rb; + } + + ch->x = x + toAdd; + ch->rightToLeft = ch->bidiLevel % 2; + //qDebug("visual: %d (%x) placed at %d rightToLeft=%d", visual[i], ch->c.unicode(), x +toAdd, ch->rightToLeft ); + int ww = 0; + if ( ch->c.unicode() >= 32 || ch->c == '\t' || ch->c == '\n' || ch->isCustom() ) { + ww = text->width( start+visual[i] ); + } else { + ww = ch->format()->width( ' ' ); + } + x += ww; + lc = ch; + } + x += toAdd; + + while ( endSpaces-- ) { + ++lastChar; + int sw = lastChar->format()->width( ' ' ); + if ( text->isRightToLeft() ) { + xorig -= sw; + lastChar->x = xorig; + ch->rightToLeft = TRUE; + } else { + lastChar->x = x; + x += sw; + ch->rightToLeft = FALSE; + } + } + + line->w = x; + + if ( length > 255 ) { + free( levels ); + free( visual ); + } + + return new TQTextLineStart; +} +#endif + + +void TQTextFormatter::insertLineStart( TQTextParagraph *parag, int index, TQTextLineStart *ls ) +{ + TQMap<int, TQTextLineStart*>::Iterator it; + if ( ( it = parag->lineStartList().find( index ) ) == parag->lineStartList().end() ) { + parag->lineStartList().insert( index, ls ); + } else { + delete *it; + parag->lineStartList().remove( it ); + parag->lineStartList().insert( index, ls ); + } +} + + +/* Standard pagebreak algorithm using TQTextFlow::adjustFlow. Returns + the shift of the paragraphs bottom line. + */ +int TQTextFormatter::formatVertically( TQTextDocument* doc, TQTextParagraph* parag ) +{ + int oldHeight = parag->rect().height(); + TQMap<int, TQTextLineStart*>& lineStarts = parag->lineStartList(); + TQMap<int, TQTextLineStart*>::Iterator it = lineStarts.begin(); + int h = parag->prev() ? TQMAX(parag->prev()->bottomMargin(),parag->topMargin() ) / 2: 0; + for ( ; it != lineStarts.end() ; ++it ) { + TQTextLineStart * ls = it.data(); + ls->y = h; + TQTextStringChar *c = ¶g->string()->at(it.key()); +#ifndef QT_NO_TEXTCUSTOMITEM + if ( c && c->customItem() && c->customItem()->ownLine() ) { + int h = c->customItem()->height; + c->customItem()->pageBreak( parag->rect().y() + ls->y + ls->baseLine - h, doc->flow() ); + int delta = c->customItem()->height - h; + ls->h += delta; + if ( delta ) + parag->setMovedDown( TRUE ); + } else +#endif + { + + int shift = doc->flow()->adjustFlow( parag->rect().y() + ls->y, ls->w, ls->h ); + ls->y += shift; + if ( shift ) + parag->setMovedDown( TRUE ); + } + h = ls->y + ls->h; + } + int m = parag->bottomMargin(); + if ( !parag->next() ) + m = 0; + else + m = TQMAX(m, parag->next()->topMargin() ) / 2; + h += m; + parag->setHeight( h ); + return h - oldHeight; +} + +// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +TQTextFormatterBreakInWords::TQTextFormatterBreakInWords() +{ +} + +#define SPACE(s) s + +int TQTextFormatterBreakInWords::format( TQTextDocument *doc,TQTextParagraph *parag, + int start, const TQMap<int, TQTextLineStart*> & ) +{ + // make sure bidi information is correct. + (void )parag->string()->isBidi(); + + TQTextStringChar *c = 0; + TQTextStringChar *firstChar = 0; + int left = doc ? parag->leftMargin() + doc->leftMargin() : 0; + int x = left + ( doc ? parag->firstLineMargin() : 0 ); + int dw = parag->documentVisibleWidth() - ( doc ? doc->rightMargin() : 0 ); + int y = parag->prev() ? TQMAX(parag->prev()->bottomMargin(),parag->topMargin()) / 2: 0; + int h = y; + int len = parag->length(); + if ( doc ) + x = doc->flow()->adjustLMargin( y + parag->rect().y(), parag->rect().height(), x, 4 ); + int rm = parag->rightMargin(); + int w = dw - ( doc ? doc->flow()->adjustRMargin( y + parag->rect().y(), parag->rect().height(), rm, 4 ) : 0 ); + bool fullWidth = TRUE; + int minw = 0; + int wused = 0; + bool wrapEnabled = isWrapEnabled( parag ); + + start = 0; //######### what is the point with start?! (Matthias) + if ( start == 0 ) + c = ¶g->string()->at( 0 ); + + int i = start; + TQTextLineStart *lineStart = new TQTextLineStart( y, y, 0 ); + insertLineStart( parag, 0, lineStart ); + + TQPainter *painter = TQTextFormat::painter(); + + int col = 0; + int ww = 0; + TQChar lastChr; + for ( ; i < len; ++i, ++col ) { + if ( c ) + lastChr = c->c; + c = ¶g->string()->at( i ); + // ### the lines below should not be needed + if ( painter ) + c->format()->setPainter( painter ); + if ( i > 0 ) { + c->lineStart = 0; + } else { + c->lineStart = 1; + firstChar = c; + } + if ( c->c.unicode() >= 32 || c->isCustom() ) { + ww = parag->string()->width( i ); + } else if ( c->c == '\t' ) { + int nx = parag->nextTab( i, x - left ) + left; + if ( nx < x ) + ww = w - x; + else + ww = nx - x; + } else { + ww = c->format()->width( ' ' ); + } + +#ifndef QT_NO_TEXTCUSTOMITEM + if ( c->isCustom() && c->customItem()->ownLine() ) { + x = doc ? doc->flow()->adjustLMargin( y + parag->rect().y(), parag->rect().height(), left, 4 ) : left; + w = dw - ( doc ? doc->flow()->adjustRMargin( y + parag->rect().y(), parag->rect().height(), rm, 4 ) : 0 ); + c->customItem()->resize( w - x ); + w = dw; + y += h; + h = c->height(); + lineStart = new TQTextLineStart( y, h, h ); + insertLineStart( parag, i, lineStart ); + c->lineStart = 1; + firstChar = c; + x = 0xffffff; + continue; + } +#endif + + if ( wrapEnabled && + ( wrapAtColumn() == -1 && x + ww > w || + wrapAtColumn() != -1 && col >= wrapAtColumn() ) ) { + x = doc ? parag->document()->flow()->adjustLMargin( y + parag->rect().y(), parag->rect().height(), left, 4 ) : left; + w = dw; + y += h; + h = c->height(); + lineStart = formatLine( parag, parag->string(), lineStart, firstChar, c-1 ); + lineStart->y = y; + insertLineStart( parag, i, lineStart ); + lineStart->baseLine = c->ascent(); + lineStart->h = c->height(); + c->lineStart = 1; + firstChar = c; + col = 0; + if ( wrapAtColumn() != -1 ) + minw = TQMAX( minw, w ); + } else if ( lineStart ) { + lineStart->baseLine = TQMAX( lineStart->baseLine, c->ascent() ); + h = TQMAX( h, c->height() ); + lineStart->h = h; + } + + c->x = x; + x += ww; + wused = TQMAX( wused, x ); + } + + int m = parag->bottomMargin(); + if ( !parag->next() ) + m = 0; + else + m = TQMAX(m, parag->next()->topMargin() ) / 2; + parag->setFullWidth( fullWidth ); + y += h + m; + if ( doc ) + minw += doc->rightMargin(); + if ( !wrapEnabled ) + minw = TQMAX(minw, wused); + + thisminw = minw; + thiswused = wused; + return y; +} + +// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +TQTextFormatterBreakWords::TQTextFormatterBreakWords() +{ +} + +#define DO_FLOW( lineStart ) do{ if ( doc && doc->isPageBreakEnabled() ) { \ + int yflow = lineStart->y + parag->rect().y();\ + int shift = doc->flow()->adjustFlow( yflow, dw, lineStart->h ); \ + lineStart->y += shift;\ + y += shift;\ + }}while(FALSE) + +int TQTextFormatterBreakWords::format( TQTextDocument *doc, TQTextParagraph *parag, + int start, const TQMap<int, TQTextLineStart*> & ) +{ + // make sure bidi information is correct. + (void )parag->string()->isBidi(); + + TQTextStringChar *c = 0; + TQTextStringChar *firstChar = 0; + TQTextString *string = parag->string(); + int left = doc ? parag->leftMargin() + doc->leftMargin() : 0; + int x = left + ( doc ? parag->firstLineMargin() : 0 ); + int y = parag->prev() ? TQMAX(parag->prev()->bottomMargin(),parag->topMargin()) / 2: 0; + int h = y; + int len = parag->length(); + if ( doc ) + x = doc->flow()->adjustLMargin( y + parag->rect().y(), parag->rect().height(), x, 0 ); + int dw = parag->documentVisibleWidth() - ( doc ? ( left != x ? 0 : doc->rightMargin() ) : 0 ); + + int curLeft = x; + int rm = parag->rightMargin(); + int rdiff = doc ? doc->flow()->adjustRMargin( y + parag->rect().y(), parag->rect().height(), rm, 0 ) : 0; + int w = dw - rdiff; + bool fullWidth = TRUE; + int marg = left + rdiff; + int minw = 0; + int wused = 0; + int tminw = marg; + int linespacing = doc ? parag->lineSpacing() : 0; + bool wrapEnabled = isWrapEnabled( parag ); + + start = 0; + + int i = start; + TQTextLineStart *lineStart = new TQTextLineStart( y, y, 0 ); + insertLineStart( parag, 0, lineStart ); + int lastBreak = -1; + int tmpBaseLine = 0, tmph = 0; + bool lastWasNonInlineCustom = FALSE; + + int align = parag->alignment(); + if ( align == TQt::AlignAuto && doc && doc->alignment() != TQt::AlignAuto ) + align = doc->alignment(); + + align &= TQt::AlignHorizontal_Mask; + + // ### hack. The last char in the paragraph is always invisible, + // ### and somehow sometimes has a wrong format. It changes + // ### between // layouting and printing. This corrects some + // ### layouting errors in BiDi mode due to this. + if ( len > 1 ) { + c = ¶g->string()->at(len - 1); + if (!c->isAnchor()) { + if (c->format()) + c->format()->removeRef(); + c->setFormat( string->at( len - 2 ).format() ); + if (c->format()) + c->format()->addRef(); + } + } + + c = ¶g->string()->at( 0 ); + + TQPainter *painter = TQTextFormat::painter(); + int col = 0; + int ww = 0; + TQChar lastChr = c->c; + TQTextFormat *lastFormat = c->format(); + for ( ; i < len; ++i, ++col ) { + if ( i ) { + c = ¶g->string()->at(i-1); + lastChr = c->c; + lastFormat = c->format(); + } + bool lastWasOwnLineCustomItem = lastBreak == -2; + bool hadBreakableChar = lastBreak != -1; + bool lastWasHardBreak = lastChr == TQChar_linesep; + + // ### next line should not be needed + if ( painter ) + c->format()->setPainter( painter ); + c = &string->at( i ); + + if (lastFormat != c->format() && !c->c.isSpace() + && lastFormat->font().italic() && !c->format()->font().italic()) { + int rb = lastFormat->fontMetrics().rightBearing(lastChr); + if (rb < 0) + x -= rb; + } + + if ( i > 0 && (x > curLeft || ww == 0) || lastWasNonInlineCustom ) { + c->lineStart = 0; + } else { + c->lineStart = 1; + firstChar = c; + } + + // ignore non spacing marks for column count. + if (col != 0 && ::category(c->c) == TQChar::Mark_NonSpacing) + --col; + +#ifndef QT_NO_TEXTCUSTOMITEM + lastWasNonInlineCustom = ( c->isCustom() && c->customItem()->placement() != TQTextCustomItem::PlaceInline ); +#endif + + if ( c->c.unicode() >= 32 || c->isCustom() ) { + ww = string->width( i ); + } else if ( c->c == '\t' ) { + if ( align == TQt::AlignRight || align == TQt::AlignCenter ) { + // we can not (yet) do tabs + ww = c->format()->width(' ' ); + } else { + int tabx = lastWasHardBreak ? (left + ( doc ? parag->firstLineMargin() : 0 )) : x; + int nx = parag->nextTab( i, tabx - left ) + left; + if ( nx < tabx ) // strrrange... + ww = 0; + else + ww = nx - tabx; + } + } else { + ww = c->format()->width( ' ' ); + } + +#ifndef QT_NO_TEXTCUSTOMITEM + TQTextCustomItem* ci = c->customItem(); + if ( c->isCustom() && ci->ownLine() ) { + TQTextLineStart *lineStart2 = formatLine( parag, string, lineStart, firstChar, c-1, align, SPACE(w - x - ww) ); + x = doc ? doc->flow()->adjustLMargin( y + parag->rect().y(), parag->rect().height(), left, 4 ) : left; + w = dw - ( doc ? doc->flow()->adjustRMargin( y + parag->rect().y(), parag->rect().height(), rm, 4 ) : 0 ); + ci->resize(w - x); + if ( ci->width < w - x ) { + if ( align & TQt::AlignHCenter ) + x = ( w - ci->width ) / 2; + else if ( align & TQt::AlignRight ) { + x = w - ci->width; + } + } + c->x = x; + curLeft = x; + if ( i == 0 || !isBreakable(string, i-1) || + string->at( i - 1 ).lineStart == 0 ) { + y += TQMAX( h, TQMAX( tmph, linespacing ) ); + tmph = c->height(); + h = tmph; + lineStart = lineStart2; + lineStart->y = y; + insertLineStart( parag, i, lineStart ); + c->lineStart = 1; + firstChar = c; + } else { + tmph = c->height(); + h = tmph; + delete lineStart2; + } + lineStart->h = h; + lineStart->baseLine = h; + tmpBaseLine = lineStart->baseLine; + lastBreak = -2; + x = w; + minw = TQMAX( minw, tminw ); + + int tw = ci->minimumWidth() + ( doc ? doc->leftMargin() : 0 ); + if ( tw < TQWIDGETSIZE_MAX ) + tminw = tw; + else + tminw = marg; + wused = TQMAX( wused, ci->width ); + continue; + } else if ( c->isCustom() && ci->placement() != TQTextCustomItem::PlaceInline ) { + int tw = ci->minimumWidth(); + if ( tw < TQWIDGETSIZE_MAX ) + minw = TQMAX( minw, tw ); + } +#endif + // we break if + // 1. the last character was a hard break (TQChar_linesep) or + // 2. the last charater was a own-line custom item (eg. table or ruler) or + // 3. wrapping was enabled, it was not a space and following + // condition is true: We either had a breakable character + // previously or we ar allowed to break in words and - either + // we break at w pixels and the current char would exceed that + // or - we break at a column and the current character would + // exceed that. + if ( lastWasHardBreak || lastWasOwnLineCustomItem || + ( wrapEnabled && + ( (!c->c.isSpace() && (hadBreakableChar || allowBreakInWords()) && + ( (wrapAtColumn() == -1 && x + ww > w) || + (wrapAtColumn() != -1 && col >= wrapAtColumn()) ) ) ) + ) + ) { + if ( wrapAtColumn() != -1 ) + minw = TQMAX( minw, x + ww ); + // if a break was forced (no breakable char, hard break or own line custom item), break immediately.... + if ( !hadBreakableChar || lastWasHardBreak || lastWasOwnLineCustomItem ) { + if ( lineStart ) { + lineStart->baseLine = TQMAX( lineStart->baseLine, tmpBaseLine ); + h = TQMAX( h, tmph ); + lineStart->h = h; + DO_FLOW( lineStart ); + } + lineStart = formatLine( parag, string, lineStart, firstChar, c-1, align, SPACE(w - x) ); + x = doc ? doc->flow()->adjustLMargin( y + parag->rect().y(), parag->rect().height(), left, 4 ) : left; + w = dw - ( doc ? doc->flow()->adjustRMargin( y + parag->rect().y(), parag->rect().height(), rm, 4 ) : 0 ); + if ( !doc && c->c == '\t' ) { // qt_format_text tab handling + int nx = parag->nextTab( i, x - left ) + left; + if ( nx < x ) + ww = w - x; + else + ww = nx - x; + } + curLeft = x; + y += TQMAX( h, linespacing ); + tmph = c->height(); + h = 0; + lineStart->y = y; + insertLineStart( parag, i, lineStart ); + lineStart->baseLine = c->ascent(); + lineStart->h = c->height(); + c->lineStart = 1; + firstChar = c; + tmpBaseLine = lineStart->baseLine; + lastBreak = -1; + col = 0; + if ( allowBreakInWords() || lastWasHardBreak ) { + minw = TQMAX(minw, tminw); + tminw = marg + ww; + } + } else { // ... otherwise if we had a breakable char, break there + DO_FLOW( lineStart ); + c->x = x; + i = lastBreak; + lineStart = formatLine( parag, string, lineStart, firstChar, parag->at( lastBreak ),align, SPACE(w - string->at( i+1 ).x) ); + x = doc ? doc->flow()->adjustLMargin( y + parag->rect().y(), parag->rect().height(), left, 4 ) : left; + w = dw - ( doc ? doc->flow()->adjustRMargin( y + parag->rect().y(), parag->rect().height(), rm, 4 ) : 0 ); + if ( !doc && c->c == '\t' ) { // qt_format_text tab handling + int nx = parag->nextTab( i, x - left ) + left; + if ( nx < x ) + ww = w - x; + else + ww = nx - x; + } + curLeft = x; + y += TQMAX( h, linespacing ); + tmph = c->height(); + h = tmph; + lineStart->y = y; + insertLineStart( parag, i + 1, lineStart ); + lineStart->baseLine = c->ascent(); + lineStart->h = c->height(); + c->lineStart = 1; + firstChar = c; + tmpBaseLine = lineStart->baseLine; + lastBreak = -1; + col = 0; + minw = TQMAX(minw, tminw); + tminw = marg; + continue; + } + } else if (lineStart && isBreakable(string, i)) { + if ( len <= 2 || i < len - 1 ) { + tmpBaseLine = TQMAX( tmpBaseLine, c->ascent() ); + tmph = TQMAX( tmph, c->height() ); + } + minw = TQMAX( minw, tminw ); + + tminw = marg + ww; + lineStart->baseLine = TQMAX( lineStart->baseLine, tmpBaseLine ); + h = TQMAX( h, tmph ); + lineStart->h = h; + if ( i < len - 2 || c->c != ' ' ) + lastBreak = i; + } else { + tminw += ww; + int cascent = c->ascent(); + int cheight = c->height(); + int belowBaseLine = TQMAX( tmph - tmpBaseLine, cheight-cascent ); + tmpBaseLine = TQMAX( tmpBaseLine, cascent ); + tmph = tmpBaseLine + belowBaseLine; + } + + c->x = x; + x += ww; + wused = TQMAX( wused, x ); + } + + if ( lineStart ) { + lineStart->baseLine = TQMAX( lineStart->baseLine, tmpBaseLine ); + h = TQMAX( h, tmph ); + lineStart->h = h; + // last line in a paragraph is not justified + if ( align == TQt::AlignJustify ) + align = TQt::AlignAuto; + DO_FLOW( lineStart ); + lineStart = formatLine( parag, string, lineStart, firstChar, c, align, SPACE(w - x) ); + delete lineStart; + } + + minw = TQMAX( minw, tminw ); + if ( doc ) + minw += doc->rightMargin(); + + int m = parag->bottomMargin(); + if ( !parag->next() ) + m = 0; + else + m = TQMAX(m, parag->next()->topMargin() ) / 2; + parag->setFullWidth( fullWidth ); + y += TQMAX( h, linespacing ) + m; + + wused += rm; + if ( !wrapEnabled || wrapAtColumn() != -1 ) + minw = TQMAX(minw, wused); + + // This is the case where we are breaking wherever we darn well please + // in cases like that, the minw should not be the length of the entire + // word, because we necessarily want to show the word on the whole line. + // example: word wrap in iconview + if ( allowBreakInWords() && minw > wused ) + minw = wused; + + thisminw = minw; + thiswused = wused; + return y; +} + +// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +TQTextIndent::TQTextIndent() +{ +} + +// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +TQTextFormatCollection::TQTextFormatCollection() + : cKey( 307 ), paintdevice( 0 ) +{ + defFormat = new TQTextFormat( TQApplication::font(), + TQApplication::palette().color( TQPalette::Active, TQColorGroup::Text ) ); + lastFormat = cres = 0; + cflags = -1; + cKey.setAutoDelete( TRUE ); + cachedFormat = 0; +} + +TQTextFormatCollection::~TQTextFormatCollection() +{ + delete defFormat; +} + +void TQTextFormatCollection::setPaintDevice( TQPaintDevice *pd ) +{ + paintdevice = pd; + +#if defined(Q_WS_X11) + int scr = ( paintdevice ) ? paintdevice->x11Screen() : TQPaintDevice::x11AppScreen(); + + defFormat->fn.x11SetScreen( scr ); + defFormat->update(); + + TQDictIterator<TQTextFormat> it( cKey ); + TQTextFormat *format; + while ( ( format = it.current() ) != 0 ) { + ++it; + format->fn.x11SetScreen( scr ); + format->update(); + } +#endif // Q_WS_X11 +} + +TQTextFormat *TQTextFormatCollection::format( TQTextFormat *f ) +{ + if ( f->parent() == this || f == defFormat ) { + lastFormat = f; + lastFormat->addRef(); + return lastFormat; + } + + if ( f == lastFormat || ( lastFormat && f->key() == lastFormat->key() ) ) { + lastFormat->addRef(); + return lastFormat; + } + + TQTextFormat *fm = cKey.find( f->key() ); + if ( fm ) { + lastFormat = fm; + lastFormat->addRef(); + return lastFormat; + } + + if ( f->key() == defFormat->key() ) + return defFormat; + + lastFormat = createFormat( *f ); + lastFormat->collection = this; + cKey.insert( lastFormat->key(), lastFormat ); + return lastFormat; +} + +TQTextFormat *TQTextFormatCollection::format( TQTextFormat *of, TQTextFormat *nf, int flags ) +{ + if ( cres && kof == of->key() && knf == nf->key() && cflags == flags ) { + cres->addRef(); + return cres; + } + + cres = createFormat( *of ); + kof = of->key(); + knf = nf->key(); + cflags = flags; + if ( flags & TQTextFormat::Bold ) + cres->fn.setBold( nf->fn.bold() ); + if ( flags & TQTextFormat::Italic ) + cres->fn.setItalic( nf->fn.italic() ); + if ( flags & TQTextFormat::Underline ) + cres->fn.setUnderline( nf->fn.underline() ); + if ( flags & TQTextFormat::StrikeOut ) + cres->fn.setStrikeOut( nf->fn.strikeOut() ); + if ( flags & TQTextFormat::Family ) + cres->fn.setFamily( nf->fn.family() ); + if ( flags & TQTextFormat::Size ) { + if ( of->usePixelSizes ) + cres->fn.setPixelSize( nf->fn.pixelSize() ); + else + cres->fn.setPointSize( nf->fn.pointSize() ); + } + if ( flags & TQTextFormat::Color ) + cres->col = nf->col; + if ( flags & TQTextFormat::Misspelled ) + cres->missp = nf->missp; + if ( flags & TQTextFormat::VAlign ) + cres->ha = nf->ha; + cres->update(); + + TQTextFormat *fm = cKey.find( cres->key() ); + if ( !fm ) { + cres->collection = this; + cKey.insert( cres->key(), cres ); + } else { + delete cres; + cres = fm; + cres->addRef(); + } + + return cres; +} + +TQTextFormat *TQTextFormatCollection::format( const TQFont &f, const TQColor &c ) +{ + if ( cachedFormat && cfont == f && ccol == c ) { + cachedFormat->addRef(); + return cachedFormat; + } + + TQString key = TQTextFormat::getKey( f, c, FALSE, TQTextFormat::AlignNormal ); + cachedFormat = cKey.find( key ); + cfont = f; + ccol = c; + + if ( cachedFormat ) { + cachedFormat->addRef(); + return cachedFormat; + } + + if ( key == defFormat->key() ) + return defFormat; + + cachedFormat = createFormat( f, c ); + cachedFormat->collection = this; + cKey.insert( cachedFormat->key(), cachedFormat ); + if ( cachedFormat->key() != key ) + qWarning("ASSERT: keys for format not identical: '%s '%s'", cachedFormat->key().latin1(), key.latin1() ); + return cachedFormat; +} + +void TQTextFormatCollection::remove( TQTextFormat *f ) +{ + if ( lastFormat == f ) + lastFormat = 0; + if ( cres == f ) + cres = 0; + if ( cachedFormat == f ) + cachedFormat = 0; + if (cKey.find(f->key()) == f) + cKey.remove( f->key() ); +} + +#define UPDATE( up, lo, rest ) \ + if ( font.lo##rest() != defFormat->fn.lo##rest() && fm->fn.lo##rest() == defFormat->fn.lo##rest() ) \ + fm->fn.set##up##rest( font.lo##rest() ) + +void TQTextFormatCollection::updateDefaultFormat( const TQFont &font, const TQColor &color, TQStyleSheet *sheet ) +{ + TQDictIterator<TQTextFormat> it( cKey ); + TQTextFormat *fm; + bool usePixels = font.pointSize() == -1; + bool changeSize = usePixels ? font.pixelSize() != defFormat->fn.pixelSize() : + font.pointSize() != defFormat->fn.pointSize(); + int base = usePixels ? font.pixelSize() : font.pointSize(); + while ( ( fm = it.current() ) ) { + ++it; + UPDATE( F, f, amily ); + UPDATE( W, w, eight ); + UPDATE( B, b, old ); + UPDATE( I, i, talic ); + UPDATE( U, u, nderline ); + if ( changeSize ) { + fm->stdSize = base; + fm->usePixelSizes = usePixels; + if ( usePixels ) + fm->fn.setPixelSize( fm->stdSize ); + else + fm->fn.setPointSize( fm->stdSize ); + sheet->scaleFont( fm->fn, fm->logicalFontSize ); + } + if ( color.isValid() && color != defFormat->col && fm->col == defFormat->col ) + fm->col = color; + fm->update(); + } + + defFormat->fn = font; + defFormat->col = color; + defFormat->update(); + defFormat->stdSize = base; + defFormat->usePixelSizes = usePixels; + + updateKeys(); +} + +// the keys in cKey have changed, rebuild the hashtable +void TQTextFormatCollection::updateKeys() +{ + if ( cKey.isEmpty() ) + return; + cKey.setAutoDelete( FALSE ); + TQTextFormat** formats = new TQTextFormat*[ cKey.count() + 1 ]; + TQTextFormat **f = formats; + TQDictIterator<TQTextFormat> it( cKey ); + while ( ( *f = it.current() ) ) { + ++it; + ++f; + } + cKey.clear(); + for ( f = formats; *f; f++ ) + cKey.insert( (*f)->key(), *f ); + cKey.setAutoDelete( TRUE ); + delete [] formats; +} + + + +// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +void TQTextFormat::setBold( bool b ) +{ + if ( b == fn.bold() ) + return; + fn.setBold( b ); + update(); +} + +void TQTextFormat::setMisspelled( bool b ) +{ + if ( b == (bool)missp ) + return; + missp = b; + update(); +} + +void TQTextFormat::setVAlign( VerticalAlignment a ) +{ + if ( a == ha ) + return; + ha = a; + update(); +} + +void TQTextFormat::setItalic( bool b ) +{ + if ( b == fn.italic() ) + return; + fn.setItalic( b ); + update(); +} + +void TQTextFormat::setUnderline( bool b ) +{ + if ( b == fn.underline() ) + return; + fn.setUnderline( b ); + update(); +} + +void TQTextFormat::setStrikeOut( bool b ) +{ + if ( b == fn.strikeOut() ) + return; + fn.setStrikeOut( b ); + update(); +} + +void TQTextFormat::setFamily( const TQString &f ) +{ + if ( f == fn.family() ) + return; + fn.setFamily( f ); + update(); +} + +void TQTextFormat::setPointSize( int s ) +{ + if ( s == fn.pointSize() ) + return; + fn.setPointSize( s ); + usePixelSizes = FALSE; + update(); +} + +void TQTextFormat::setFont( const TQFont &f ) +{ + if ( f == fn && !k.isEmpty() ) + return; + fn = f; + update(); +} + +void TQTextFormat::setColor( const TQColor &c ) +{ + if ( c == col ) + return; + col = c; + update(); +} + +TQString TQTextFormat::makeFormatChangeTags( TQTextFormat* defaultFormat, TQTextFormat *f, + const TQString& oldAnchorHref, const TQString& anchorHref ) const +{ + TQString tag; + if ( f ) + tag += f->makeFormatEndTags( defaultFormat, oldAnchorHref ); + + if ( !anchorHref.isEmpty() ) + tag += "<a href=\"" + anchorHref + "\">"; + + if ( font() != defaultFormat->font() + || vAlign() != defaultFormat->vAlign() + || color().rgb() != defaultFormat->color().rgb() ) { + TQString s; + if ( font().family() != defaultFormat->font().family() ) + s += TQString(!!s?";":"") + "font-family:" + fn.family(); + if ( font().italic() && font().italic() != defaultFormat->font().italic() ) + s += TQString(!!s?";":"") + "font-style:" + (font().italic() ? "italic" : "normal"); + if ( font().pointSize() != defaultFormat->font().pointSize() ) + s += TQString(!!s?";":"") + "font-size:" + TQString::number( fn.pointSize() ) + "pt"; + if ( font().weight() != defaultFormat->font().weight() ) + s += TQString(!!s?";":"") + "font-weight:" + TQString::number( fn.weight() * 8 ); + TQString textDecoration; + bool none = FALSE; + if ( font().underline() != defaultFormat->font().underline() ) { + if (font().underline()) + textDecoration = "underline"; + else + none = TRUE; + } + if ( font().overline() != defaultFormat->font().overline() ) { + if (font().overline()) + textDecoration += " overline"; + else + none = TRUE; + } + if ( font().strikeOut() != defaultFormat->font().strikeOut() ) { + if (font().strikeOut()) + textDecoration += " line-through"; + else + none = TRUE; + } + if (none && textDecoration.isEmpty()) + textDecoration = "none"; + if (!textDecoration.isEmpty()) + s += TQString(!!s?";":"") + "text-decoration:" + textDecoration; + if ( vAlign() != defaultFormat->vAlign() ) { + s += TQString(!!s?";":"") + "vertical-align:"; + if ( vAlign() == TQTextFormat::AlignSuperScript ) + s += "super"; + else if ( vAlign() == TQTextFormat::AlignSubScript ) + s += "sub"; + else + s += "normal"; + } + if ( color().rgb() != defaultFormat->color().rgb() ) + s += TQString(!!s?";":"") + "color:" + col.name(); + if ( !s.isEmpty() ) + tag += "<span style=\"" + s + "\">"; + } + + return tag; +} + +TQString TQTextFormat::makeFormatEndTags( TQTextFormat* defaultFormat, const TQString& anchorHref ) const +{ + TQString tag; + if ( font().family() != defaultFormat->font().family() + || font().pointSize() != defaultFormat->font().pointSize() + || font().weight() != defaultFormat->font().weight() + || font().italic() != defaultFormat->font().italic() + || font().underline() != defaultFormat->font().underline() + || font().strikeOut() != defaultFormat->font().strikeOut() + || vAlign() != defaultFormat->vAlign() + || color().rgb() != defaultFormat->color().rgb() ) + tag += "</span>"; + if ( !anchorHref.isEmpty() ) + tag += "</a>"; + return tag; +} + +TQTextFormat TQTextFormat::makeTextFormat( const TQStyleSheetItem *style, const TQMap<TQString,TQString>& attr, double scaleFontsFactor ) const +{ + TQTextFormat format(*this); + if (!style ) + return format; + + if ( !style->isAnchor() && style->color().isValid() ) { + // the style is not an anchor and defines a color. + // It might be used inside an anchor and it should + // override the link color. + format.linkColor = FALSE; + } + switch ( style->verticalAlignment() ) { + case TQStyleSheetItem::VAlignBaseline: + format.setVAlign( TQTextFormat::AlignNormal ); + break; + case TQStyleSheetItem::VAlignSuper: + format.setVAlign( TQTextFormat::AlignSuperScript ); + break; + case TQStyleSheetItem::VAlignSub: + format.setVAlign( TQTextFormat::AlignSubScript ); + break; + } + + if ( style->fontWeight() != TQStyleSheetItem::Undefined ) + format.fn.setWeight( style->fontWeight() ); + if ( style->fontSize() != TQStyleSheetItem::Undefined ) { + format.fn.setPointSize( style->fontSize() ); + } else if ( style->logicalFontSize() != TQStyleSheetItem::Undefined ) { + format.logicalFontSize = style->logicalFontSize(); + if ( format.usePixelSizes ) + format.fn.setPixelSize( format.stdSize ); + else + format.fn.setPointSize( format.stdSize ); + style->styleSheet()->scaleFont( format.fn, format.logicalFontSize ); + } else if ( style->logicalFontSizeStep() ) { + format.logicalFontSize += style->logicalFontSizeStep(); + if ( format.usePixelSizes ) + format.fn.setPixelSize( format.stdSize ); + else + format.fn.setPointSize( format.stdSize ); + style->styleSheet()->scaleFont( format.fn, format.logicalFontSize ); + } + if ( !style->fontFamily().isEmpty() ) + format.fn.setFamily( style->fontFamily() ); + if ( style->color().isValid() ) + format.col = style->color(); + if ( style->definesFontItalic() ) + format.fn.setItalic( style->fontItalic() ); + if ( style->definesFontUnderline() ) + format.fn.setUnderline( style->fontUnderline() ); + if ( style->definesFontStrikeOut() ) + format.fn.setStrikeOut( style->fontStrikeOut() ); + + + if ( style->name() == "font") { + if ( attr.contains("color") ) { + TQString s = attr["color"]; + if ( !s.isEmpty() ) { + format.col.setNamedColor( s ); + format.linkColor = FALSE; + } + } + if ( attr.contains("face") ) { + TQString a = attr["face"]; + TQString family = a.section( ',', 0, 0 ); + if ( !!family ) + format.fn.setFamily( family ); + } + if ( attr.contains("size") ) { + TQString a = attr["size"]; + int n = a.toInt(); + if ( a[0] == '+' || a[0] == '-' ) + n += 3; + format.logicalFontSize = n; + if ( format.usePixelSizes ) + format.fn.setPixelSize( format.stdSize ); + else + format.fn.setPointSize( format.stdSize ); + style->styleSheet()->scaleFont( format.fn, format.logicalFontSize ); + } + } + if ( attr.contains("style" ) ) { + TQString a = attr["style"]; + for ( int s = 0; s < a.contains(';')+1; s++ ) { + TQString style = a.section( ';', s, s ); + if ( style.startsWith("font-size:" ) && style.endsWith("pt") ) { + format.logicalFontSize = 0; + int size = int( scaleFontsFactor * style.mid( 10, style.length() - 12 ).toDouble() ); + format.setPointSize( size ); + } else if ( style.startsWith("font-style:" ) ) { + TQString s = style.mid( 11 ).stripWhiteSpace(); + if ( s == "normal" ) + format.fn.setItalic( FALSE ); + else if ( s == "italic" || s == "oblique" ) + format.fn.setItalic( TRUE ); + } else if ( style.startsWith("font-weight:" ) ) { + TQString s = style.mid( 12 ); + bool ok = TRUE; + int n = s.toInt( &ok ); + if ( ok ) + format.fn.setWeight( n/8 ); + } else if ( style.startsWith("font-family:" ) ) { + TQString family = style.mid(12).section(',',0,0); + family.replace( '\"', ' ' ); + family.replace( '\'', ' ' ); + family = family.stripWhiteSpace(); + format.fn.setFamily( family ); + } else if ( style.startsWith("text-decoration:" ) ) { + TQString s = style.mid( 16 ); + format.fn.setOverline( s.find("overline") != -1 ); + format.fn.setStrikeOut( s.find("line-through") != -1 ); + format.fn.setUnderline( s.find("underline") != -1 ); + } else if ( style.startsWith("vertical-align:" ) ) { + TQString s = style.mid( 15 ).stripWhiteSpace(); + if ( s == "sub" ) + format.setVAlign( TQTextFormat::AlignSubScript ); + else if ( s == "super" ) + format.setVAlign( TQTextFormat::AlignSuperScript ); + else + format.setVAlign( TQTextFormat::AlignNormal ); + } else if ( style.startsWith("color:" ) ) { + format.col.setNamedColor( style.mid(6) ); + format.linkColor = FALSE; + } + } + } + + format.update(); + return format; +} + +#ifndef QT_NO_TEXTCUSTOMITEM + +struct TQPixmapInt +{ + TQPixmapInt() : ref( 0 ) {} + TQPixmap pm; + int ref; + Q_DUMMY_COMPARISON_OPERATOR(TQPixmapInt) +}; + +static TQMap<TQString, TQPixmapInt> *pixmap_map = 0; + +TQTextImage::TQTextImage( TQTextDocument *p, const TQMap<TQString, TQString> &attr, const TQString& context, + TQMimeSourceFactory &factory ) + : TQTextCustomItem( p ) +{ + width = height = 0; + if ( attr.contains("width") ) + width = attr["width"].toInt(); + if ( attr.contains("height") ) + height = attr["height"].toInt(); + + reg = 0; + TQString imageName = attr["src"]; + + if (!imageName) + imageName = attr["source"]; + + if ( !imageName.isEmpty() ) { + imgId = TQString( "%1,%2,%3,%4" ).arg( imageName ).arg( width ).arg( height ).arg( (ulong)&factory ); + if ( !pixmap_map ) + pixmap_map = new TQMap<TQString, TQPixmapInt>; + if ( pixmap_map->contains( imgId ) ) { + TQPixmapInt& pmi = pixmap_map->operator[](imgId); + pm = pmi.pm; + pmi.ref++; + width = pm.width(); + height = pm.height(); + } else { + TQImage img; + const TQMimeSource* m = + factory.data( imageName, context ); + if ( !m ) { + qWarning("TQTextImage: no mimesource for %s", imageName.latin1() ); + } + else { + if ( !TQImageDrag::decode( m, img ) ) { + qWarning("TQTextImage: cannot decode %s", imageName.latin1() ); + } + } + + if ( !img.isNull() ) { + if ( width == 0 ) { + width = img.width(); + if ( height != 0 ) { + width = img.width() * height / img.height(); + } + } + if ( height == 0 ) { + height = img.height(); + if ( width != img.width() ) { + height = img.height() * width / img.width(); + } + } + if ( img.width() != width || img.height() != height ){ +#ifndef QT_NO_IMAGE_SMOOTHSCALE + img = img.smoothScale(width, height); +#endif + width = img.width(); + height = img.height(); + } + pm.convertFromImage( img ); + } + if ( !pm.isNull() ) { + TQPixmapInt& pmi = pixmap_map->operator[](imgId); + pmi.pm = pm; + pmi.ref++; + } + } + if ( pm.mask() ) { + TQRegion mask( *pm.mask() ); + TQRegion all( 0, 0, pm.width(), pm.height() ); + reg = new TQRegion( all.subtract( mask ) ); + } + } + + if ( pm.isNull() && (width*height)==0 ) + width = height = 50; + + place = PlaceInline; + if ( attr["align"] == "left" ) + place = PlaceLeft; + else if ( attr["align"] == "right" ) + place = PlaceRight; + + tmpwidth = width; + tmpheight = height; + + attributes = attr; +} + +TQTextImage::~TQTextImage() +{ + if ( pixmap_map && pixmap_map->contains( imgId ) ) { + TQPixmapInt& pmi = pixmap_map->operator[](imgId); + pmi.ref--; + if ( !pmi.ref ) { + pixmap_map->remove( imgId ); + if ( pixmap_map->isEmpty() ) { + delete pixmap_map; + pixmap_map = 0; + } + } + } + delete reg; +} + +TQString TQTextImage::richText() const +{ + TQString s; + s += "<img "; + TQMap<TQString, TQString>::ConstIterator it = attributes.begin(); + for ( ; it != attributes.end(); ++it ) { + s += it.key() + "="; + if ( (*it).find( ' ' ) != -1 ) + s += "\"" + *it + "\"" + " "; + else + s += *it + " "; + } + s += ">"; + return s; +} + +void TQTextImage::adjustToPainter( TQPainter* p ) +{ + width = scale( tmpwidth, p ); + height = scale( tmpheight, p ); +} + +#if !defined(Q_WS_X11) +#include <qbitmap.h> +#include <qcleanuphandler.h> +static TQPixmap *qrt_selection = 0; +static TQSingleCleanupHandler<TQPixmap> qrt_cleanup_pixmap; +static void qrt_createSelectionPixmap( const TQColorGroup &cg ) +{ + qrt_selection = new TQPixmap( 2, 2 ); + qrt_cleanup_pixmap.set( &qrt_selection ); + qrt_selection->fill( TQt::color0 ); + TQBitmap m( 2, 2 ); + m.fill( TQt::color1 ); + TQPainter p( &m ); + p.setPen( TQt::color0 ); + for ( int j = 0; j < 2; ++j ) { + p.drawPoint( j % 2, j ); + } + p.end(); + qrt_selection->setMask( m ); + qrt_selection->fill( cg.highlight() ); +} +#endif + +void TQTextImage::draw( TQPainter* p, int x, int y, int cx, int cy, int cw, int ch, const TQColorGroup& cg, bool selected ) +{ + if ( placement() != PlaceInline ) { + x = xpos; + y = ypos; + } + + if ( pm.isNull() ) { + p->fillRect( x , y, width, height, cg.dark() ); + return; + } + + if ( is_printer( p ) ) { + p->drawPixmap( TQRect( x, y, width, height ), pm ); + return; + } + + if ( placement() != PlaceInline && !TQRect( xpos, ypos, width, height ).intersects( TQRect( cx, cy, cw, ch ) ) ) + return; + + if ( placement() == PlaceInline ) + p->drawPixmap( x , y, pm ); + else + p->drawPixmap( cx , cy, pm, cx - x, cy - y, cw, ch ); + + if ( selected && placement() == PlaceInline && is_printer( p ) ) { +#if defined(Q_WS_X11) + p->fillRect( TQRect( TQPoint( x, y ), pm.size() ), TQBrush( cg.highlight(), TQBrush::Dense4Pattern) ); +#else // in WIN32 Dense4Pattern doesn't work correctly (transparency problem), so work around it + if ( !qrt_selection ) + qrt_createSelectionPixmap( cg ); + p->drawTiledPixmap( x, y, pm.width(), pm.height(), *qrt_selection ); +#endif + } +} + +void TQTextHorizontalLine::adjustToPainter( TQPainter* p ) +{ + height = scale( tmpheight, p ); +} + + +TQTextHorizontalLine::TQTextHorizontalLine( TQTextDocument *p, const TQMap<TQString, TQString> &attr, + const TQString &, + TQMimeSourceFactory & ) + : TQTextCustomItem( p ) +{ + height = tmpheight = 8; + if ( attr.find( "color" ) != attr.end() ) + color = TQColor( *attr.find( "color" ) ); + shade = attr.find( "noshade" ) == attr.end(); +} + +TQTextHorizontalLine::~TQTextHorizontalLine() +{ +} + +TQString TQTextHorizontalLine::richText() const +{ + return "<hr>"; +} + +void TQTextHorizontalLine::draw( TQPainter* p, int x, int y, int , int , int , int , const TQColorGroup& cg, bool selected ) +{ + TQRect r( x, y, width, height); + if ( is_printer( p ) || !shade ) { + TQPen oldPen = p->pen(); + if ( !color.isValid() ) + p->setPen( TQPen( cg.text(), is_printer( p ) ? height/8 : TQMAX( 2, height/4 ) ) ); + else + p->setPen( TQPen( color, is_printer( p ) ? height/8 : TQMAX( 2, height/4 ) ) ); + p->drawLine( r.left()-1, y + height / 2, r.right() + 1, y + height / 2 ); + p->setPen( oldPen ); + } else { + TQColorGroup g( cg ); + if ( color.isValid() ) + g.setColor( TQColorGroup::Dark, color ); + if ( selected ) + p->fillRect( r, g.highlight() ); + qDrawShadeLine( p, r.left() - 1, y + height / 2, r.right() + 1, y + height / 2, g, TRUE, height / 8 ); + } +} +#endif //QT_NO_TEXTCUSTOMITEM + +/*****************************************************************/ +// Small set of utility functions to make the parser a bit simpler +// + +bool TQTextDocument::hasPrefix(const TQChar* doc, int length, int pos, TQChar c) +{ + if ( pos + 1 > length ) + return FALSE; + return doc[ pos ].lower() == c.lower(); +} + +bool TQTextDocument::hasPrefix( const TQChar* doc, int length, int pos, const TQString& s ) +{ + if ( pos + (int) s.length() > length ) + return FALSE; + for ( int i = 0; i < (int)s.length(); i++ ) { + if ( doc[ pos + i ].lower() != s[ i ].lower() ) + return FALSE; + } + return TRUE; +} + +#ifndef QT_NO_TEXTCUSTOMITEM +static bool qt_is_cell_in_use( TQPtrList<TQTextTableCell>& cells, int row, int col ) +{ + for ( TQTextTableCell* c = cells.first(); c; c = cells.next() ) { + if ( row >= c->row() && row < c->row() + c->rowspan() + && col >= c->column() && col < c->column() + c->colspan() ) + return TRUE; + } + return FALSE; +} + +TQTextCustomItem* TQTextDocument::parseTable( const TQMap<TQString, TQString> &attr, const TQTextFormat &fmt, + const TQChar* doc, int length, int& pos, TQTextParagraph *curpar ) +{ + + TQTextTable* table = new TQTextTable( this, attr ); + int row = -1; + int col = -1; + + TQString rowbgcolor; + TQString rowalign; + TQString tablebgcolor = attr["bgcolor"]; + + TQPtrList<TQTextTableCell> multicells; + + TQString tagname; + (void) eatSpace(doc, length, pos); + while ( pos < length) { + if (hasPrefix(doc, length, pos, TQChar('<')) ){ + if (hasPrefix(doc, length, pos+1, TQChar('/'))) { + tagname = parseCloseTag( doc, length, pos ); + if ( tagname == "table" ) { + return table; + } + } else { + TQMap<TQString, TQString> attr2; + bool emptyTag = FALSE; + tagname = parseOpenTag( doc, length, pos, attr2, emptyTag ); + if ( tagname == "tr" ) { + rowbgcolor = attr2["bgcolor"]; + rowalign = attr2["align"]; + row++; + col = -1; + } + else if ( tagname == "td" || tagname == "th" ) { + col++; + while ( qt_is_cell_in_use( multicells, row, col ) ) { + col++; + } + + if ( row >= 0 && col >= 0 ) { + const TQStyleSheetItem* s = sheet_->item(tagname); + if ( !attr2.contains("bgcolor") ) { + if (!rowbgcolor.isEmpty() ) + attr2["bgcolor"] = rowbgcolor; + else if (!tablebgcolor.isEmpty() ) + attr2["bgcolor"] = tablebgcolor; + } + if ( !attr2.contains("align") ) { + if (!rowalign.isEmpty() ) + attr2["align"] = rowalign; + } + + // extract the cell contents + int end = pos; + while ( end < length + && !hasPrefix( doc, length, end, "</td") + && !hasPrefix( doc, length, end, "<td") + && !hasPrefix( doc, length, end, "</th") + && !hasPrefix( doc, length, end, "<th") + && !hasPrefix( doc, length, end, "<td") + && !hasPrefix( doc, length, end, "</tr") + && !hasPrefix( doc, length, end, "<tr") + && !hasPrefix( doc, length, end, "</table") ) { + if ( hasPrefix( doc, length, end, "<table" ) ) { // nested table + int nested = 1; + ++end; + while ( end < length && nested != 0 ) { + if ( hasPrefix( doc, length, end, "</table" ) ) + nested--; + if ( hasPrefix( doc, length, end, "<table" ) ) + nested++; + end++; + } + } + end++; + } + TQTextTableCell* cell = new TQTextTableCell( table, row, col, + attr2, s, fmt.makeTextFormat( s, attr2, scaleFontsFactor ), + contxt, *factory_, sheet_, + TQConstString( doc + pos, end - pos ).string() ); + cell->richText()->parentPar = curpar; + if ( cell->colspan() > 1 || cell->rowspan() > 1 ) + multicells.append( cell ); + col += cell->colspan()-1; + pos = end; + } + } + } + + } else { + ++pos; + } + } + return table; +} +#endif // QT_NO_TEXTCUSTOMITEM + +bool TQTextDocument::eatSpace(const TQChar* doc, int length, int& pos, bool includeNbsp ) +{ + int old_pos = pos; + while (pos < length && doc[pos].isSpace() && ( includeNbsp || (doc[pos] != TQChar::nbsp ) ) ) + pos++; + return old_pos < pos; +} + +bool TQTextDocument::eat(const TQChar* doc, int length, int& pos, TQChar c) +{ + bool ok = pos < length && doc[pos] == c; + if ( ok ) + pos++; + return ok; +} +/*****************************************************************/ + +struct Entity { + const char * name; + Q_UINT16 code; +}; + +static const Entity entitylist [] = { + { "AElig", 0x00c6 }, + { "Aacute", 0x00c1 }, + { "Acirc", 0x00c2 }, + { "Agrave", 0x00c0 }, + { "Alpha", 0x0391 }, + { "AMP", 38 }, + { "Aring", 0x00c5 }, + { "Atilde", 0x00c3 }, + { "Auml", 0x00c4 }, + { "Beta", 0x0392 }, + { "Ccedil", 0x00c7 }, + { "Chi", 0x03a7 }, + { "Dagger", 0x2021 }, + { "Delta", 0x0394 }, + { "ETH", 0x00d0 }, + { "Eacute", 0x00c9 }, + { "Ecirc", 0x00ca }, + { "Egrave", 0x00c8 }, + { "Epsilon", 0x0395 }, + { "Eta", 0x0397 }, + { "Euml", 0x00cb }, + { "Gamma", 0x0393 }, + { "GT", 62 }, + { "Iacute", 0x00cd }, + { "Icirc", 0x00ce }, + { "Igrave", 0x00cc }, + { "Iota", 0x0399 }, + { "Iuml", 0x00cf }, + { "Kappa", 0x039a }, + { "Lambda", 0x039b }, + { "LT", 60 }, + { "Mu", 0x039c }, + { "Ntilde", 0x00d1 }, + { "Nu", 0x039d }, + { "OElig", 0x0152 }, + { "Oacute", 0x00d3 }, + { "Ocirc", 0x00d4 }, + { "Ograve", 0x00d2 }, + { "Omega", 0x03a9 }, + { "Omicron", 0x039f }, + { "Oslash", 0x00d8 }, + { "Otilde", 0x00d5 }, + { "Ouml", 0x00d6 }, + { "Phi", 0x03a6 }, + { "Pi", 0x03a0 }, + { "Prime", 0x2033 }, + { "Psi", 0x03a8 }, + { "TQUOT", 34 }, + { "Rho", 0x03a1 }, + { "Scaron", 0x0160 }, + { "Sigma", 0x03a3 }, + { "THORN", 0x00de }, + { "Tau", 0x03a4 }, + { "Theta", 0x0398 }, + { "Uacute", 0x00da }, + { "Ucirc", 0x00db }, + { "Ugrave", 0x00d9 }, + { "Upsilon", 0x03a5 }, + { "Uuml", 0x00dc }, + { "Xi", 0x039e }, + { "Yacute", 0x00dd }, + { "Yuml", 0x0178 }, + { "Zeta", 0x0396 }, + { "aacute", 0x00e1 }, + { "acirc", 0x00e2 }, + { "acute", 0x00b4 }, + { "aelig", 0x00e6 }, + { "agrave", 0x00e0 }, + { "alefsym", 0x2135 }, + { "alpha", 0x03b1 }, + { "amp", 38 }, + { "and", 0x22a5 }, + { "ang", 0x2220 }, + { "apos", 0x0027 }, + { "aring", 0x00e5 }, + { "asymp", 0x2248 }, + { "atilde", 0x00e3 }, + { "auml", 0x00e4 }, + { "bdquo", 0x201e }, + { "beta", 0x03b2 }, + { "brvbar", 0x00a6 }, + { "bull", 0x2022 }, + { "cap", 0x2229 }, + { "ccedil", 0x00e7 }, + { "cedil", 0x00b8 }, + { "cent", 0x00a2 }, + { "chi", 0x03c7 }, + { "circ", 0x02c6 }, + { "clubs", 0x2663 }, + { "cong", 0x2245 }, + { "copy", 0x00a9 }, + { "crarr", 0x21b5 }, + { "cup", 0x222a }, + { "curren", 0x00a4 }, + { "dArr", 0x21d3 }, + { "dagger", 0x2020 }, + { "darr", 0x2193 }, + { "deg", 0x00b0 }, + { "delta", 0x03b4 }, + { "diams", 0x2666 }, + { "divide", 0x00f7 }, + { "eacute", 0x00e9 }, + { "ecirc", 0x00ea }, + { "egrave", 0x00e8 }, + { "empty", 0x2205 }, + { "emsp", 0x2003 }, + { "ensp", 0x2002 }, + { "epsilon", 0x03b5 }, + { "equiv", 0x2261 }, + { "eta", 0x03b7 }, + { "eth", 0x00f0 }, + { "euml", 0x00eb }, + { "euro", 0x20ac }, + { "exist", 0x2203 }, + { "fnof", 0x0192 }, + { "forall", 0x2200 }, + { "frac12", 0x00bd }, + { "frac14", 0x00bc }, + { "frac34", 0x00be }, + { "frasl", 0x2044 }, + { "gamma", 0x03b3 }, + { "ge", 0x2265 }, + { "gt", 62 }, + { "hArr", 0x21d4 }, + { "harr", 0x2194 }, + { "hearts", 0x2665 }, + { "hellip", 0x2026 }, + { "iacute", 0x00ed }, + { "icirc", 0x00ee }, + { "iexcl", 0x00a1 }, + { "igrave", 0x00ec }, + { "image", 0x2111 }, + { "infin", 0x221e }, + { "int", 0x222b }, + { "iota", 0x03b9 }, + { "iquest", 0x00bf }, + { "isin", 0x2208 }, + { "iuml", 0x00ef }, + { "kappa", 0x03ba }, + { "lArr", 0x21d0 }, + { "lambda", 0x03bb }, + { "lang", 0x2329 }, + { "laquo", 0x00ab }, + { "larr", 0x2190 }, + { "lceil", 0x2308 }, + { "ldquo", 0x201c }, + { "le", 0x2264 }, + { "lfloor", 0x230a }, + { "lowast", 0x2217 }, + { "loz", 0x25ca }, + { "lrm", 0x200e }, + { "lsaquo", 0x2039 }, + { "lsquo", 0x2018 }, + { "lt", 60 }, + { "macr", 0x00af }, + { "mdash", 0x2014 }, + { "micro", 0x00b5 }, + { "middot", 0x00b7 }, + { "minus", 0x2212 }, + { "mu", 0x03bc }, + { "nabla", 0x2207 }, + { "nbsp", 0x00a0 }, + { "ndash", 0x2013 }, + { "ne", 0x2260 }, + { "ni", 0x220b }, + { "not", 0x00ac }, + { "notin", 0x2209 }, + { "nsub", 0x2284 }, + { "ntilde", 0x00f1 }, + { "nu", 0x03bd }, + { "oacute", 0x00f3 }, + { "ocirc", 0x00f4 }, + { "oelig", 0x0153 }, + { "ograve", 0x00f2 }, + { "oline", 0x203e }, + { "omega", 0x03c9 }, + { "omicron", 0x03bf }, + { "oplus", 0x2295 }, + { "or", 0x22a6 }, + { "ordf", 0x00aa }, + { "ordm", 0x00ba }, + { "oslash", 0x00f8 }, + { "otilde", 0x00f5 }, + { "otimes", 0x2297 }, + { "ouml", 0x00f6 }, + { "para", 0x00b6 }, + { "part", 0x2202 }, + { "percnt", 0x0025 }, + { "permil", 0x2030 }, + { "perp", 0x22a5 }, + { "phi", 0x03c6 }, + { "pi", 0x03c0 }, + { "piv", 0x03d6 }, + { "plusmn", 0x00b1 }, + { "pound", 0x00a3 }, + { "prime", 0x2032 }, + { "prod", 0x220f }, + { "prop", 0x221d }, + { "psi", 0x03c8 }, + { "quot", 34 }, + { "rArr", 0x21d2 }, + { "radic", 0x221a }, + { "rang", 0x232a }, + { "raquo", 0x00bb }, + { "rarr", 0x2192 }, + { "rceil", 0x2309 }, + { "rdquo", 0x201d }, + { "real", 0x211c }, + { "reg", 0x00ae }, + { "rfloor", 0x230b }, + { "rho", 0x03c1 }, + { "rlm", 0x200f }, + { "rsaquo", 0x203a }, + { "rsquo", 0x2019 }, + { "sbquo", 0x201a }, + { "scaron", 0x0161 }, + { "sdot", 0x22c5 }, + { "sect", 0x00a7 }, + { "shy", 0x00ad }, + { "sigma", 0x03c3 }, + { "sigmaf", 0x03c2 }, + { "sim", 0x223c }, + { "spades", 0x2660 }, + { "sub", 0x2282 }, + { "sube", 0x2286 }, + { "sum", 0x2211 }, + { "sup1", 0x00b9 }, + { "sup2", 0x00b2 }, + { "sup3", 0x00b3 }, + { "sup", 0x2283 }, + { "supe", 0x2287 }, + { "szlig", 0x00df }, + { "tau", 0x03c4 }, + { "there4", 0x2234 }, + { "theta", 0x03b8 }, + { "thetasym", 0x03d1 }, + { "thinsp", 0x2009 }, + { "thorn", 0x00fe }, + { "tilde", 0x02dc }, + { "times", 0x00d7 }, + { "trade", 0x2122 }, + { "uArr", 0x21d1 }, + { "uacute", 0x00fa }, + { "uarr", 0x2191 }, + { "ucirc", 0x00fb }, + { "ugrave", 0x00f9 }, + { "uml", 0x00a8 }, + { "upsih", 0x03d2 }, + { "upsilon", 0x03c5 }, + { "uuml", 0x00fc }, + { "weierp", 0x2118 }, + { "xi", 0x03be }, + { "yacute", 0x00fd }, + { "yen", 0x00a5 }, + { "yuml", 0x00ff }, + { "zeta", 0x03b6 }, + { "zwj", 0x200d }, + { "zwnj", 0x200c }, + { "", 0x0000 } +}; + + + + + +static TQMap<TQString, TQChar> *html_map = 0; +static void qt_cleanup_html_map() +{ + delete html_map; + html_map = 0; +} + +static TQMap<TQString, TQChar> *htmlMap() +{ + if ( !html_map ) { + html_map = new TQMap<TQString, TQChar>; + qAddPostRoutine( qt_cleanup_html_map ); + + const Entity *ent = entitylist; + while( ent->code ) { + html_map->insert( ent->name, TQChar(ent->code) ); + ent++; + } + } + return html_map; +} + +TQChar TQTextDocument::parseHTMLSpecialChar(const TQChar* doc, int length, int& pos) +{ + TQString s; + pos++; + int recoverpos = pos; + while ( pos < length && doc[pos] != ';' && !doc[pos].isSpace() && pos < recoverpos + 8 ) { + s += doc[pos]; + pos++; + } + if (doc[pos] != ';' && !doc[pos].isSpace() ) { + pos = recoverpos; + return '&'; + } + pos++; + + if ( s.length() > 1 && s[0] == '#') { + int off = 1; + int base = 10; + if (s[1] == 'x') { + off = 2; + base = 16; + } + bool ok; + int num = s.mid(off).toInt(&ok, base); + if ( num == 151 ) // ### hack for designer manual + return '-'; + if (ok) + return num; + } else { + TQMap<TQString, TQChar>::Iterator it = htmlMap()->find(s); + if ( it != htmlMap()->end() ) { + return *it; + } + } + + pos = recoverpos; + return '&'; +} + +TQString TQTextDocument::parseWord(const TQChar* doc, int length, int& pos, bool lower) +{ + TQString s; + + if (doc[pos] == '"') { + pos++; + while ( pos < length && doc[pos] != '"' ) { + if ( doc[pos] == '&' ) { + s += parseHTMLSpecialChar( doc, length, pos ); + } else { + s += doc[pos]; + pos++; + } + } + eat(doc, length, pos, '"'); + } else if (doc[pos] == '\'') { + pos++; + while ( pos < length && doc[pos] != '\'' ) { + s += doc[pos]; + pos++; + } + eat(doc, length, pos, '\''); + } else { + static TQString term = TQString::fromLatin1("/>"); + while ( pos < length + && doc[pos] != '>' + && !hasPrefix(doc, length, pos, term) + && doc[pos] != '<' + && doc[pos] != '=' + && !doc[pos].isSpace() ) + { + if ( doc[pos] == '&' ) { + s += parseHTMLSpecialChar( doc, length, pos ); + } else { + s += doc[pos]; + pos++; + } + } + if (lower) + s = s.lower(); + } + return s; +} + +TQChar TQTextDocument::parseChar(const TQChar* doc, int length, int& pos, TQStyleSheetItem::WhiteSpaceMode wsm ) +{ + if ( pos >= length ) + return TQChar::null; + + TQChar c = doc[pos++]; + + if (c == '<' ) + return TQChar::null; + + if ( c.isSpace() && c != TQChar::nbsp ) { + if ( wsm == TQStyleSheetItem::WhiteSpacePre ) { + if ( c == '\n' ) + return TQChar_linesep; + else + return c; + } else { // non-pre mode: collapse whitespace except nbsp + while ( pos< length && + doc[pos].isSpace() && doc[pos] != TQChar::nbsp ) + pos++; + return ' '; + } + } + else if ( c == '&' ) + return parseHTMLSpecialChar( doc, length, --pos ); + else + return c; +} + +TQString TQTextDocument::parseOpenTag(const TQChar* doc, int length, int& pos, + TQMap<TQString, TQString> &attr, bool& emptyTag) +{ + emptyTag = FALSE; + pos++; + if ( hasPrefix(doc, length, pos, '!') ) { + if ( hasPrefix( doc, length, pos+1, "--")) { + pos += 3; + // eat comments + TQString pref = TQString::fromLatin1("-->"); + while ( !hasPrefix(doc, length, pos, pref ) && pos < length ) + pos++; + if ( hasPrefix(doc, length, pos, pref ) ) { + pos += 3; + eatSpace(doc, length, pos, TRUE); + } + emptyTag = TRUE; + return TQString::null; + } + else { + // eat strange internal tags + while ( !hasPrefix(doc, length, pos, '>') && pos < length ) + pos++; + if ( hasPrefix(doc, length, pos, '>') ) { + pos++; + eatSpace(doc, length, pos, TRUE); + } + return TQString::null; + } + } + + TQString tag = parseWord(doc, length, pos ); + eatSpace(doc, length, pos, TRUE); + static TQString term = TQString::fromLatin1("/>"); + static TQString s_TRUE = TQString::fromLatin1("TRUE"); + + while (doc[pos] != '>' && ! (emptyTag = hasPrefix(doc, length, pos, term) )) { + TQString key = parseWord(doc, length, pos ); + eatSpace(doc, length, pos, TRUE); + if ( key.isEmpty()) { + // error recovery + while ( pos < length && doc[pos] != '>' ) + pos++; + break; + } + TQString value; + if (hasPrefix(doc, length, pos, '=') ){ + pos++; + eatSpace(doc, length, pos); + value = parseWord(doc, length, pos, FALSE); + } + else + value = s_TRUE; + attr.insert(key.lower(), value ); + eatSpace(doc, length, pos, TRUE); + } + + if (emptyTag) { + eat(doc, length, pos, '/'); + eat(doc, length, pos, '>'); + } + else + eat(doc, length, pos, '>'); + + return tag; +} + +TQString TQTextDocument::parseCloseTag( const TQChar* doc, int length, int& pos ) +{ + pos++; + pos++; + TQString tag = parseWord(doc, length, pos ); + eatSpace(doc, length, pos, TRUE); + eat(doc, length, pos, '>'); + return tag; +} + +TQTextFlow::TQTextFlow() +{ + w = pagesize = 0; +} + +TQTextFlow::~TQTextFlow() +{ + clear(); +} + +void TQTextFlow::clear() +{ +#ifndef QT_NO_TEXTCUSTOMITEM + leftItems.setAutoDelete( TRUE ); + rightItems.setAutoDelete( TRUE ); + leftItems.clear(); + rightItems.clear(); + leftItems.setAutoDelete( FALSE ); + rightItems.setAutoDelete( FALSE ); +#endif +} + +void TQTextFlow::setWidth( int width ) +{ + w = width; +} + +int TQTextFlow::adjustLMargin( int yp, int, int margin, int space ) +{ +#ifndef QT_NO_TEXTCUSTOMITEM + for ( TQTextCustomItem* item = leftItems.first(); item; item = leftItems.next() ) { + if ( item->ypos == -1 ) + continue; + if ( yp >= item->ypos && yp < item->ypos + item->height ) + margin = TQMAX( margin, item->xpos + item->width + space ); + } +#endif + return margin; +} + +int TQTextFlow::adjustRMargin( int yp, int, int margin, int space ) +{ +#ifndef QT_NO_TEXTCUSTOMITEM + for ( TQTextCustomItem* item = rightItems.first(); item; item = rightItems.next() ) { + if ( item->ypos == -1 ) + continue; + if ( yp >= item->ypos && yp < item->ypos + item->height ) + margin = TQMAX( margin, w - item->xpos - space ); + } +#endif + return margin; +} + + +int TQTextFlow::adjustFlow( int y, int /*w*/, int h ) +{ + if ( pagesize > 0 ) { // check pages + int yinpage = y % pagesize; + if ( yinpage <= border_tolerance ) + return border_tolerance - yinpage; + else + if ( yinpage + h > pagesize - border_tolerance ) + return ( pagesize - yinpage ) + border_tolerance; + } + return 0; +} + +#ifndef QT_NO_TEXTCUSTOMITEM +void TQTextFlow::unregisterFloatingItem( TQTextCustomItem* item ) +{ + leftItems.removeRef( item ); + rightItems.removeRef( item ); +} + +void TQTextFlow::registerFloatingItem( TQTextCustomItem* item ) +{ + if ( item->placement() == TQTextCustomItem::PlaceRight ) { + if ( !rightItems.contains( item ) ) + rightItems.append( item ); + } else if ( item->placement() == TQTextCustomItem::PlaceLeft && + !leftItems.contains( item ) ) { + leftItems.append( item ); + } +} +#endif // QT_NO_TEXTCUSTOMITEM + +TQRect TQTextFlow::boundingRect() const +{ + TQRect br; +#ifndef QT_NO_TEXTCUSTOMITEM + TQPtrListIterator<TQTextCustomItem> l( leftItems ); + while( l.current() ) { + br = br.unite( l.current()->geometry() ); + ++l; + } + TQPtrListIterator<TQTextCustomItem> r( rightItems ); + while( r.current() ) { + br = br.unite( r.current()->geometry() ); + ++r; + } +#endif + return br; +} + + +void TQTextFlow::drawFloatingItems( TQPainter* p, int cx, int cy, int cw, int ch, const TQColorGroup& cg, bool selected ) +{ +#ifndef QT_NO_TEXTCUSTOMITEM + TQTextCustomItem *item; + for ( item = leftItems.first(); item; item = leftItems.next() ) { + if ( item->xpos == -1 || item->ypos == -1 ) + continue; + item->draw( p, item->xpos, item->ypos, cx, cy, cw, ch, cg, selected ); + } + + for ( item = rightItems.first(); item; item = rightItems.next() ) { + if ( item->xpos == -1 || item->ypos == -1 ) + continue; + item->draw( p, item->xpos, item->ypos, cx, cy, cw, ch, cg, selected ); + } +#endif +} + +// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +#ifndef QT_NO_TEXTCUSTOMITEM +void TQTextCustomItem::pageBreak( int /*y*/ , TQTextFlow* /*flow*/ ) +{ +} +#endif + +#ifndef QT_NO_TEXTCUSTOMITEM +TQTextTable::TQTextTable( TQTextDocument *p, const TQMap<TQString, TQString> & attr ) + : TQTextCustomItem( p ) +{ + cells.setAutoDelete( FALSE ); + cellspacing = 2; + if ( attr.contains("cellspacing") ) + cellspacing = attr["cellspacing"].toInt(); + cellpadding = 1; + if ( attr.contains("cellpadding") ) + cellpadding = attr["cellpadding"].toInt(); + border = innerborder = 0; + if ( attr.contains("border" ) ) { + TQString s( attr["border"] ); + if ( s == "TRUE" ) + border = 1; + else + border = attr["border"].toInt(); + } + us_b = border; + + innerborder = us_ib = border ? 1 : 0; + + if ( border ) + cellspacing += 2; + + us_ib = innerborder; + us_cs = cellspacing; + us_cp = cellpadding; + outerborder = cellspacing + border; + us_ob = outerborder; + layout = new TQGridLayout( 1, 1, cellspacing ); + + fixwidth = 0; + stretch = 0; + if ( attr.contains("width") ) { + bool b; + TQString s( attr["width"] ); + int w = s.toInt( &b ); + if ( b ) { + fixwidth = w; + } else { + s = s.stripWhiteSpace(); + if ( s.length() > 1 && s[ (int)s.length()-1 ] == '%' ) + stretch = s.left( s.length()-1).toInt(); + } + } + us_fixwidth = fixwidth; + + place = PlaceInline; + if ( attr["align"] == "left" ) + place = PlaceLeft; + else if ( attr["align"] == "right" ) + place = PlaceRight; + cachewidth = 0; + attributes = attr; + pageBreakFor = -1; +} + +TQTextTable::~TQTextTable() +{ + delete layout; +} + +TQString TQTextTable::richText() const +{ + TQString s; + s = "<table "; + TQMap<TQString, TQString>::ConstIterator it = attributes.begin(); + for ( ; it != attributes.end(); ++it ) + s += it.key() + "=" + *it + " "; + s += ">\n"; + + int lastRow = -1; + bool needEnd = FALSE; + TQPtrListIterator<TQTextTableCell> it2( cells ); + while ( it2.current() ) { + TQTextTableCell *cell = it2.current(); + ++it2; + if ( lastRow != cell->row() ) { + if ( lastRow != -1 ) + s += "</tr>\n"; + s += "<tr>"; + lastRow = cell->row(); + needEnd = TRUE; + } + s += "<td"; + it = cell->attributes.begin(); + for ( ; it != cell->attributes.end(); ++it ) + s += " " + it.key() + "=" + *it; + s += ">"; + s += cell->richText()->richText(); + s += "</td>"; + } + if ( needEnd ) + s += "</tr>\n"; + s += "</table>\n"; + return s; +} + +void TQTextTable::setParagraph(TQTextParagraph *p) +{ + for ( TQTextTableCell* cell = cells.first(); cell; cell = cells.next() ) + cell->richText()->parentPar = p; + TQTextCustomItem::setParagraph(p); +} + +void TQTextTable::adjustToPainter( TQPainter* p ) +{ + cellspacing = scale( us_cs, p ); + cellpadding = scale( us_cp, p ); + border = scale( us_b , p ); + innerborder = scale( us_ib, p ); + outerborder = scale( us_ob ,p ); + fixwidth = scale( us_fixwidth, p); + width = 0; + cachewidth = 0; + for ( TQTextTableCell* cell = cells.first(); cell; cell = cells.next() ) + cell->adjustToPainter( p ); +} + +void TQTextTable::adjustCells( int y , int shift ) +{ + TQPtrListIterator<TQTextTableCell> it( cells ); + TQTextTableCell* cell; + bool enlarge = FALSE; + while ( ( cell = it.current() ) ) { + ++it; + TQRect r = cell->geometry(); + if ( y <= r.top() ) { + r.moveBy(0, shift ); + cell->setGeometry( r ); + enlarge = TRUE; + } else if ( y <= r.bottom() ) { + r.rBottom() += shift; + cell->setGeometry( r ); + enlarge = TRUE; + } + } + if ( enlarge ) + height += shift; +} + +void TQTextTable::pageBreak( int yt, TQTextFlow* flow ) +{ + if ( flow->pageSize() <= 0 ) + return; + if ( layout && pageBreakFor > 0 && pageBreakFor != yt ) { + layout->invalidate(); + int h = layout->heightForWidth( width-2*outerborder ); + layout->setGeometry( TQRect(0, 0, width-2*outerborder, h) ); + height = layout->geometry().height()+2*outerborder; + } + pageBreakFor = yt; + TQPtrListIterator<TQTextTableCell> it( cells ); + TQTextTableCell* cell; + while ( ( cell = it.current() ) ) { + ++it; + int y = yt + outerborder + cell->geometry().y(); + int shift = flow->adjustFlow( y - cellspacing, width, cell->richText()->height() + 2*cellspacing ); + adjustCells( y - outerborder - yt, shift ); + } +} + + +void TQTextTable::draw(TQPainter* p, int x, int y, int cx, int cy, int cw, int ch, const TQColorGroup& cg, bool selected ) +{ + if ( placement() != PlaceInline ) { + x = xpos; + y = ypos; + } + + for (TQTextTableCell* cell = cells.first(); cell; cell = cells.next() ) { + if ( cx < 0 && cy < 0 || + TQRect( cx, cy, cw, ch ).intersects( TQRect( x + outerborder + cell->geometry().x(), + y + outerborder + cell->geometry().y(), + cell->geometry().width(), cell->geometry().height() ) ) ) { + cell->draw( p, x+outerborder, y+outerborder, cx, cy, cw, ch, cg, selected ); + if ( border ) { + TQRect r( x+outerborder+cell->geometry().x() - innerborder, + y+outerborder+cell->geometry().y() - innerborder, + cell->geometry().width() + 2 * innerborder, + cell->geometry().height() + 2 * innerborder ); + if ( is_printer( p ) ) { + TQPen oldPen = p->pen(); + TQRect r2 = r; + r2.addCoords( innerborder/2, innerborder/2, -innerborder/2, -innerborder/2 ); + p->setPen( TQPen( cg.text(), innerborder ) ); + p->drawRect( r2 ); + p->setPen( oldPen ); + } else { + int s = TQMAX( cellspacing-2*innerborder, 0); + if ( s ) { + p->fillRect( r.left()-s, r.top(), s+1, r.height(), cg.button() ); + p->fillRect( r.right(), r.top(), s+1, r.height(), cg.button() ); + p->fillRect( r.left()-s, r.top()-s, r.width()+2*s, s, cg.button() ); + p->fillRect( r.left()-s, r.bottom(), r.width()+2*s, s, cg.button() ); + } + qDrawShadePanel( p, r, cg, TRUE, innerborder ); + } + } + } + } + if ( border ) { + TQRect r ( x, y, width, height ); + if ( is_printer( p ) ) { + TQRect r2 = r; + r2.addCoords( border/2, border/2, -border/2, -border/2 ); + TQPen oldPen = p->pen(); + p->setPen( TQPen( cg.text(), border ) ); + p->drawRect( r2 ); + p->setPen( oldPen ); + } else { + int s = border+TQMAX( cellspacing-2*innerborder, 0); + if ( s ) { + p->fillRect( r.left(), r.top(), s, r.height(), cg.button() ); + p->fillRect( r.right()-s, r.top(), s, r.height(), cg.button() ); + p->fillRect( r.left(), r.top(), r.width(), s, cg.button() ); + p->fillRect( r.left(), r.bottom()-s, r.width(), s, cg.button() ); + } + qDrawShadePanel( p, r, cg, FALSE, border ); + } + } + +} + +int TQTextTable::minimumWidth() const +{ + return fixwidth ? fixwidth : ((layout ? layout->minimumSize().width() : 0) + 2 * outerborder); +} + +void TQTextTable::resize( int nwidth ) +{ + if ( fixwidth && cachewidth != 0 ) + return; + if ( nwidth == cachewidth ) + return; + + + cachewidth = nwidth; + int w = nwidth; + + format( w ); + + if ( stretch ) + nwidth = nwidth * stretch / 100; + + width = nwidth; + layout->invalidate(); + int shw = layout->sizeHint().width() + 2*outerborder; + int mw = layout->minimumSize().width() + 2*outerborder; + if ( stretch ) + width = TQMAX( mw, nwidth ); + else + width = TQMAX( mw, TQMIN( nwidth, shw ) ); + + if ( fixwidth ) + width = fixwidth; + + layout->invalidate(); + mw = layout->minimumSize().width() + 2*outerborder; + width = TQMAX( width, mw ); + + int h = layout->heightForWidth( width-2*outerborder ); + layout->setGeometry( TQRect(0, 0, width-2*outerborder, h) ); + height = layout->geometry().height()+2*outerborder; +} + +void TQTextTable::format( int w ) +{ + for ( int i = 0; i < (int)cells.count(); ++i ) { + TQTextTableCell *cell = cells.at( i ); + TQRect r = cell->geometry(); + r.setWidth( w - 2*outerborder ); + cell->setGeometry( r ); + } +} + +void TQTextTable::addCell( TQTextTableCell* cell ) +{ + cells.append( cell ); + layout->addMultiCell( cell, cell->row(), cell->row() + cell->rowspan()-1, + cell->column(), cell->column() + cell->colspan()-1 ); +} + +bool TQTextTable::enter( TQTextCursor *c, TQTextDocument *&doc, TQTextParagraph *¶g, int &idx, int &ox, int &oy, bool atEnd ) +{ + currCell.remove( c ); + if ( !atEnd ) + return next( c, doc, parag, idx, ox, oy ); + currCell.insert( c, cells.count() ); + return prev( c, doc, parag, idx, ox, oy ); +} + +bool TQTextTable::enterAt( TQTextCursor *c, TQTextDocument *&doc, TQTextParagraph *¶g, int &idx, int &ox, int &oy, const TQPoint &pos ) +{ + currCell.remove( c ); + int lastCell = -1; + int lastY = -1; + int i; + for ( i = 0; i < (int)cells.count(); ++i ) { + TQTextTableCell *cell = cells.at( i ); + if ( !cell ) + continue; + TQRect r( cell->geometry().x(), + cell->geometry().y(), + cell->geometry().width() + 2 * innerborder + 2 * outerborder, + cell->geometry().height() + 2 * innerborder + 2 * outerborder ); + + if ( r.left() <= pos.x() && r.right() >= pos.x() ) { + if ( cell->geometry().y() > lastY ) { + lastCell = i; + lastY = cell->geometry().y(); + } + if ( r.top() <= pos.y() && r.bottom() >= pos.y() ) { + currCell.insert( c, i ); + break; + } + } + } + if ( i == (int) cells.count() ) + return FALSE; // no cell found + + if ( currCell.find( c ) == currCell.end() ) { + if ( lastY != -1 ) + currCell.insert( c, lastCell ); + else + return FALSE; + } + + TQTextTableCell *cell = cells.at( *currCell.find( c ) ); + if ( !cell ) + return FALSE; + doc = cell->richText(); + parag = doc->firstParagraph(); + idx = 0; + ox += cell->geometry().x() + cell->horizontalAlignmentOffset() + outerborder + parent->x(); + oy += cell->geometry().y() + cell->verticalAlignmentOffset() + outerborder; + return TRUE; +} + +bool TQTextTable::next( TQTextCursor *c, TQTextDocument *&doc, TQTextParagraph *¶g, int &idx, int &ox, int &oy ) +{ + int cc = -1; + if ( currCell.find( c ) != currCell.end() ) + cc = *currCell.find( c ); + if ( cc > (int)cells.count() - 1 || cc < 0 ) + cc = -1; + currCell.remove( c ); + currCell.insert( c, ++cc ); + if ( cc >= (int)cells.count() ) { + currCell.insert( c, 0 ); + TQTextCustomItem::next( c, doc, parag, idx, ox, oy ); + TQTextTableCell *cell = cells.first(); + if ( !cell ) + return FALSE; + doc = cell->richText(); + idx = -1; + return TRUE; + } + + if ( currCell.find( c ) == currCell.end() ) + return FALSE; + TQTextTableCell *cell = cells.at( *currCell.find( c ) ); + if ( !cell ) + return FALSE; + doc = cell->richText(); + parag = doc->firstParagraph(); + idx = 0; + ox += cell->geometry().x() + cell->horizontalAlignmentOffset() + outerborder + parent->x(); + oy += cell->geometry().y() + cell->verticalAlignmentOffset() + outerborder; + return TRUE; +} + +bool TQTextTable::prev( TQTextCursor *c, TQTextDocument *&doc, TQTextParagraph *¶g, int &idx, int &ox, int &oy ) +{ + int cc = -1; + if ( currCell.find( c ) != currCell.end() ) + cc = *currCell.find( c ); + if ( cc > (int)cells.count() - 1 || cc < 0 ) + cc = cells.count(); + currCell.remove( c ); + currCell.insert( c, --cc ); + if ( cc < 0 ) { + currCell.insert( c, 0 ); + TQTextCustomItem::prev( c, doc, parag, idx, ox, oy ); + TQTextTableCell *cell = cells.first(); + if ( !cell ) + return FALSE; + doc = cell->richText(); + idx = -1; + return TRUE; + } + + if ( currCell.find( c ) == currCell.end() ) + return FALSE; + TQTextTableCell *cell = cells.at( *currCell.find( c ) ); + if ( !cell ) + return FALSE; + doc = cell->richText(); + parag = doc->lastParagraph(); + idx = parag->length() - 1; + ox += cell->geometry().x() + cell->horizontalAlignmentOffset() + outerborder + parent->x(); + oy += cell->geometry().y() + cell->verticalAlignmentOffset() + outerborder; + return TRUE; +} + +bool TQTextTable::down( TQTextCursor *c, TQTextDocument *&doc, TQTextParagraph *¶g, int &idx, int &ox, int &oy ) +{ + if ( currCell.find( c ) == currCell.end() ) + return FALSE; + TQTextTableCell *cell = cells.at( *currCell.find( c ) ); + if ( cell->row_ == layout->numRows() - 1 ) { + currCell.insert( c, 0 ); + TQTextCustomItem::down( c, doc, parag, idx, ox, oy ); + TQTextTableCell *cell = cells.first(); + if ( !cell ) + return FALSE; + doc = cell->richText(); + idx = -1; + return TRUE; + } + + int oldRow = cell->row_; + int oldCol = cell->col_; + if ( currCell.find( c ) == currCell.end() ) + return FALSE; + int cc = *currCell.find( c ); + for ( int i = cc; i < (int)cells.count(); ++i ) { + cell = cells.at( i ); + if ( cell->row_ > oldRow && cell->col_ == oldCol ) { + currCell.insert( c, i ); + break; + } + } + doc = cell->richText(); + if ( !cell ) + return FALSE; + parag = doc->firstParagraph(); + idx = 0; + ox += cell->geometry().x() + cell->horizontalAlignmentOffset() + outerborder + parent->x(); + oy += cell->geometry().y() + cell->verticalAlignmentOffset() + outerborder; + return TRUE; +} + +bool TQTextTable::up( TQTextCursor *c, TQTextDocument *&doc, TQTextParagraph *¶g, int &idx, int &ox, int &oy ) +{ + if ( currCell.find( c ) == currCell.end() ) + return FALSE; + TQTextTableCell *cell = cells.at( *currCell.find( c ) ); + if ( cell->row_ == 0 ) { + currCell.insert( c, 0 ); + TQTextCustomItem::up( c, doc, parag, idx, ox, oy ); + TQTextTableCell *cell = cells.first(); + if ( !cell ) + return FALSE; + doc = cell->richText(); + idx = -1; + return TRUE; + } + + int oldRow = cell->row_; + int oldCol = cell->col_; + if ( currCell.find( c ) == currCell.end() ) + return FALSE; + int cc = *currCell.find( c ); + for ( int i = cc; i >= 0; --i ) { + cell = cells.at( i ); + if ( cell->row_ < oldRow && cell->col_ == oldCol ) { + currCell.insert( c, i ); + break; + } + } + doc = cell->richText(); + if ( !cell ) + return FALSE; + parag = doc->lastParagraph(); + idx = parag->length() - 1; + ox += cell->geometry().x() + cell->horizontalAlignmentOffset() + outerborder + parent->x(); + oy += cell->geometry().y() + cell->verticalAlignmentOffset() + outerborder; + return TRUE; +} + +TQTextTableCell::TQTextTableCell( TQTextTable* table, + int row, int column, + const TQMap<TQString, TQString> &attr, + const TQStyleSheetItem* /*style*/, // ### use them + const TQTextFormat& fmt, const TQString& context, + TQMimeSourceFactory &factory, TQStyleSheet *sheet, + const TQString& doc) +{ + cached_width = -1; + cached_sizehint = -1; + + maxw = TQWIDGETSIZE_MAX; + minw = 0; + + parent = table; + row_ = row; + col_ = column; + stretch_ = 0; + richtext = new TQTextDocument( table->parent ); + richtext->formatCollection()->setPaintDevice( table->parent->formatCollection()->paintDevice() ); + richtext->bodyText = fmt.color(); + richtext->setTableCell( this ); + TQString a = *attr.find( "align" ); + if ( !a.isEmpty() ) { + a = a.lower(); + if ( a == "left" ) + richtext->setAlignment( TQt::AlignLeft ); + else if ( a == "center" ) + richtext->setAlignment( TQt::AlignHCenter ); + else if ( a == "right" ) + richtext->setAlignment( TQt::AlignRight ); + } + align = 0; + TQString va = *attr.find( "valign" ); + if ( !va.isEmpty() ) { + va = va.lower(); + if ( va == "top" ) + align |= TQt::AlignTop; + else if ( va == "center" || va == "middle" ) + align |= TQt::AlignVCenter; + else if ( va == "bottom" ) + align |= TQt::AlignBottom; + } + richtext->setFormatter( table->parent->formatter() ); + richtext->setUseFormatCollection( table->parent->useFormatCollection() ); + richtext->setMimeSourceFactory( &factory ); + richtext->setStyleSheet( sheet ); + richtext->setRichText( doc, context, &fmt ); + rowspan_ = 1; + colspan_ = 1; + if ( attr.contains("colspan") ) + colspan_ = attr["colspan"].toInt(); + if ( attr.contains("rowspan") ) + rowspan_ = attr["rowspan"].toInt(); + + background = 0; + if ( attr.contains("bgcolor") ) { + background = new TQBrush(TQColor( attr["bgcolor"] )); + } + + + hasFixedWidth = FALSE; + if ( attr.contains("width") ) { + bool b; + TQString s( attr["width"] ); + int w = s.toInt( &b ); + if ( b ) { + maxw = w; + minw = maxw; + hasFixedWidth = TRUE; + } else { + s = s.stripWhiteSpace(); + if ( s.length() > 1 && s[ (int)s.length()-1 ] == '%' ) + stretch_ = s.left( s.length()-1).toInt(); + } + } + + attributes = attr; + + parent->addCell( this ); +} + +TQTextTableCell::~TQTextTableCell() +{ + delete background; + background = 0; + delete richtext; + richtext = 0; +} + +TQSize TQTextTableCell::sizeHint() const +{ + int extra = 2 * ( parent->innerborder + parent->cellpadding + border_tolerance); + int used = richtext->widthUsed() + extra; + + if (stretch_ ) { + int w = parent->width * stretch_ / 100 - 2*parent->cellspacing - 2*parent->cellpadding; + return TQSize( TQMIN( w, maxw ), 0 ).expandedTo( minimumSize() ); + } + + return TQSize( used, 0 ).expandedTo( minimumSize() ); +} + +TQSize TQTextTableCell::minimumSize() const +{ + int extra = 2 * ( parent->innerborder + parent->cellpadding + border_tolerance); + return TQSize( TQMAX( richtext->minimumWidth() + extra, minw), 0 ); +} + +TQSize TQTextTableCell::maximumSize() const +{ + return TQSize( maxw, TQWIDGETSIZE_MAX ); +} + +TQSizePolicy::ExpandData TQTextTableCell::expanding() const +{ + return TQSizePolicy::BothDirections; +} + +bool TQTextTableCell::isEmpty() const +{ + return FALSE; +} +void TQTextTableCell::setGeometry( const TQRect& r ) +{ + int extra = 2 * ( parent->innerborder + parent->cellpadding ); + if ( r.width() != cached_width ) + richtext->doLayout( TQTextFormat::painter(), r.width() - extra ); + cached_width = r.width(); + geom = r; +} + +TQRect TQTextTableCell::geometry() const +{ + return geom; +} + +bool TQTextTableCell::hasHeightForWidth() const +{ + return TRUE; +} + +int TQTextTableCell::heightForWidth( int w ) const +{ + int extra = 2 * ( parent->innerborder + parent->cellpadding ); + w = TQMAX( minw, w ); + + if ( cached_width != w ) { + TQTextTableCell* that = (TQTextTableCell*) this; + that->richtext->doLayout( TQTextFormat::painter(), w - extra ); + that->cached_width = w; + } + return richtext->height() + extra; +} + +void TQTextTableCell::adjustToPainter( TQPainter* p ) +{ + TQTextParagraph *parag = richtext->firstParagraph(); + while ( parag ) { + parag->adjustToPainter( p ); + parag = parag->next(); + } +} + +int TQTextTableCell::horizontalAlignmentOffset() const +{ + return parent->cellpadding; +} + +int TQTextTableCell::verticalAlignmentOffset() const +{ + if ( (align & TQt::AlignVCenter ) == TQt::AlignVCenter ) + return ( geom.height() - richtext->height() ) / 2; + else if ( ( align & TQt::AlignBottom ) == TQt::AlignBottom ) + return geom.height() - parent->cellpadding - richtext->height() ; + return parent->cellpadding; +} + +void TQTextTableCell::draw( TQPainter* p, int x, int y, int cx, int cy, int cw, int ch, const TQColorGroup& cg, bool ) +{ + if ( cached_width != geom.width() ) { + int extra = 2 * ( parent->innerborder + parent->cellpadding ); + richtext->doLayout( p, geom.width() - extra ); + cached_width = geom.width(); + } + TQColorGroup g( cg ); + if ( background ) + g.setBrush( TQColorGroup::Base, *background ); + else if ( richtext->paper() ) + g.setBrush( TQColorGroup::Base, *richtext->paper() ); + + p->save(); + p->translate( x + geom.x(), y + geom.y() ); + if ( background ) + p->fillRect( 0, 0, geom.width(), geom.height(), *background ); + else if ( richtext->paper() ) + p->fillRect( 0, 0, geom.width(), geom.height(), *richtext->paper() ); + + p->translate( horizontalAlignmentOffset(), verticalAlignmentOffset() ); + + TQRegion r; + if ( cx >= 0 && cy >= 0 ) + richtext->draw( p, cx - ( x + horizontalAlignmentOffset() + geom.x() ), + cy - ( y + geom.y() + verticalAlignmentOffset() ), + cw, ch, g, FALSE, FALSE, 0 ); + else + richtext->draw( p, -1, -1, -1, -1, g, FALSE, FALSE, 0 ); + + p->restore(); +} +#endif + +#endif //QT_NO_RICHTEXT |