diff options
Diffstat (limited to 'tqtinterface/qt4/src/kernel/tqtextlayout.cpp')
| -rw-r--r-- | tqtinterface/qt4/src/kernel/tqtextlayout.cpp | 818 |
1 files changed, 0 insertions, 818 deletions
diff --git a/tqtinterface/qt4/src/kernel/tqtextlayout.cpp b/tqtinterface/qt4/src/kernel/tqtextlayout.cpp deleted file mode 100644 index 6700470..0000000 --- a/tqtinterface/qt4/src/kernel/tqtextlayout.cpp +++ /dev/null @@ -1,818 +0,0 @@ -/**************************************************************************** -** -** ??? -** -** Copyright (C) 2005-2008 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 requirements 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 <tqtglobaldefines.h> -// Nasty, nasty horrid HACK to get access to QTextLine's private members -// This is TERRIBLE and I wish there was a way around it -// This is a good example of the new, broken & irritating Qt4 API, -// and the corresponding loss in functionality versus Qt3. -// See also tqrect.cpp -#define private protected -#include <Qt/qtextlayout.h> -#undef private - -#include "tqtextlayout_p.h" -#include "tqtextengine_p.h" - -#include <tqfont.h> -#include <tqapplication.h> -#include <tqpainter.h> - -#ifdef USE_QT4 -#include "private/qt4_qtextengine_p.h" -#endif // USE_QT4 - -#ifdef USE_QT4 - -TQTextItem::TQTextItem(int line, QTextEngine *e) : QTextLine(line, e) {} - -// TQt internal functions -// Do not modify unless you know what you are doing! -QTextEngine* TQTextItem::tqt_textEngine() const { - return eng; -} - -TQString TQTextItem::tqt_textString() const { - return eng->layoutData->string; -} - -void TQTextItem::tqt_tqdrawTextItem( TQPainter* p, int x, int y, const TQTextItem &ti, int textFlags ) const { - // [FIXME] This needs serious help--it ignores the selected font, font size, etc. - #warning TQTextItem::tqt_tqdrawTextItem( TQPainter* p, int x, int y, const TQTextItem &ti, int textFlags ) unimplemented - printf("[WARNING] TQTextItem::tqt_tqdrawTextItem( TQPainter* p, int x, int y, const TQTextItem &ti, int textFlags ) partially implemented\n\r"); - - // Cheat! - TQString textToPaint = ti.tqt_textString(); - p->save(); - p->setFont(eng->font()); - p->drawText( x, y, textToPaint, textToPaint.length()); -// p->drawText( x, y, TQString("BAD WOLF"), 8); - p->restore(); -} - -// End TQt internal functions - -// // [FIXME] -TQTextItem TQTextLayout::nextItem() { - tqtl_currentItem++; - - if ( tqtl_currentItem >= numItems() ) - return TQTextItem(); - -// d->tqshape( tqtl_currentItem ); - return TQTextItem( tqtl_currentItem, d ); -} - -TQTextItem TQTextLayout::currentItem() { - if ( tqtl_currentItem >= numItems() ) - return TQTextItem(); - -// d->tqshape( tqtl_currentItem ); - return TQTextItem( tqtl_currentItem, d ); -} - -bool TQTextItem::isRightToLeft() const -{ -// if (textDirection() == Qt::RightToLeft) { -// return true; -// } -// else { -// return false; -// } - printf("[WARNING] bool TQTextItem::isRightToLeft() const unimplemented\n\r"); - return false; -} - -bool TQTextItem::isObject() const -{ - printf("[WARNING] bool TQTextItem::isObject() const unimplemented\n\r"); - return false; -} - -bool TQTextItem::isSpace() const -{ - printf("[WARNING] bool TQTextItem::isSpace() const unimplemented\n\r"); - return false; -} - -bool TQTextItem::isTab() const -{ - printf("[WARNING] bool TQTextItem::isTab() const unimplemented\n\r"); - return false; -} - -int TQTextLayout::availableWidth() const -{ - return tqtl_lineWidth - tqtl_widthUsed; -} - -int TQTextItem::from() const -{ -// return engine->items[item].position; - return textStart(); - -// printf("[WARNING] int TQTextItem::from() const unimplemented\n\r"); -// return 0; -} - -int TQTextItem::length() const -{ -// return engine->length(item); - return textLength(); - -// printf("[WARNING] int TQTextItem::length() const unimplemented\n\r"); -// return 0; -} - -void TQTextLayout::beginLine( int width ) { - tqtl_widthUsed = 0; - tqtl_lineWidth = width; - QTextLine line = createLine(); - tqtl_currentItem = numItems() - 1; - line.setLineWidth(width); -} - -bool TQTextLayout::atEnd() const -{ - return tqtl_currentItem >= numItems(); -} - -int TQTextLayout::widthUsed() { - return tqtl_widthUsed; -} - -TQTextLayout::Result TQTextLayout::addCurrentItem() { - if (currentItem().isValid()) { - tqtl_widthUsed = currentItem().naturalTextWidth(); - } - else { - tqtl_widthUsed = 0; - } - tqtl_currentItem++; - printf("[WARNING] TextLayout::Result TQTextLayout::addCurrentItem() partially implemented -- some of its functionality has been moved to beginLine()\n\r"); - return Ok; -// return (tqtl_widthUsed <= tqtl_lineWidth || (tqtl_currentItem < d->items.size() && d->items[tqtl_currentItem].isSpace)) ? Ok : LineFull; -} - -TQTextLayout::Result TQTextLayout::endLine( int x, int y, int tqalignment, int *ascent, int *descent, int *lineLeft, int *lineRight ) -{ -// [FIXME] This crashes... -// QTextLine line = itemAt(tqtl_currentItem); -// line.setPosition(QPointF(x,y)); -// TQ_UNUSED(tqalignment); -// TQ_UNUSED(ascent); -// TQ_UNUSED(descent); -// TQ_UNUSED(lineLeft); -// TQ_UNUSED(lineRight); - - TQ_UNUSED(x); - TQ_UNUSED(y); - TQ_UNUSED(tqalignment); - TQ_UNUSED(ascent); - TQ_UNUSED(descent); - TQ_UNUSED(lineLeft); - TQ_UNUSED(lineRight); - // tqtl_currentItem must be dealt with here as well - printf("[WARNING] TQTextLayout::Result TQTextLayout::endLine( int x, int y, int tqalignment, int *ascent, int *descent, int *lineLeft, int *lineRight ) unimplemented\n\r"); - return Ok; -} - -void TQTextLayout::setDirection(TQChar::Direction dir) { - printf("[WARNING] void TQTextLayout::setDirection(TQChar::Direction dir) unimplemented\n\r"); -} - -#else // USE_QT4 - -TQRect TQTextItem::rect() const -{ - TQScriptItem& si = engine->items[item]; - return TQRect( si.x, si.y, si.width, si.ascent+si.descent ); -} - -int TQTextItem::x() const -{ - return engine->items[item].x; -} - -int TQTextItem::y() const -{ - return engine->items[item].y; -} - -int TQTextItem::width() const -{ - return engine->items[item].width; -} - -int TQTextItem::ascent() const -{ - return engine->items[item].ascent; -} - -int TQTextItem::descent() const -{ - return engine->items[item].descent; -} - -void TQTextItem::setWidth( int w ) -{ - engine->items[item].width = w; -} - -void TQTextItem::setAscent( int a ) -{ - engine->items[item].ascent = a; -} - -void TQTextItem::setDescent( int d ) -{ - engine->items[item].descent = d; -} - -int TQTextItem::from() const -{ - return engine->items[item].position; -} - -int TQTextItem::length() const -{ - return engine->length(item); -} - - -int TQTextItem::cursorToX( int *cPos, Edge edge ) const -{ - int pos = *cPos; - TQScriptItem *si = &engine->items[item]; - - engine->tqshape( item ); - advance_t *advances = engine->advances( si ); - GlyphAttributes *glyphAttributes = engine->glyphAttributes( si ); - unsigned short *logClusters = engine->logClusters( si ); - - int l = engine->length( item ); - if ( pos > l ) - pos = l; - if ( pos < 0 ) - pos = 0; - - int glyph_pos = pos == l ? si->num_glyphs : logClusters[pos]; - if ( edge == Trailing ) { - // trailing edge is leading edge of next cluster - while ( glyph_pos < si->num_glyphs && !glyphAttributes[glyph_pos].clusterStart ) - glyph_pos++; - } - - int x = 0; - bool reverse = engine->items[item].analysis.bidiLevel % 2; - - if ( reverse ) { - for ( int i = si->num_glyphs-1; i >= glyph_pos; i-- ) - x += advances[i]; - } else { - for ( int i = 0; i < glyph_pos; i++ ) - x += advances[i]; - } -// qDebug("cursorToX: pos=%d, gpos=%d x=%d", pos, glyph_pos, x ); - *cPos = pos; - return x; -} - -int TQTextItem::xToCursor( int x, CursorPosition cpos ) const -{ - TQScriptItem *si = &engine->items[item]; - engine->tqshape( item ); - advance_t *advances = engine->advances( si ); - unsigned short *logClusters = engine->logClusters( si ); - - int l = engine->length( item ); - bool reverse = si->analysis.bidiLevel % 2; - if ( x < 0 ) - return reverse ? l : 0; - - - if ( reverse ) { - int width = 0; - for ( int i = 0; i < si->num_glyphs; i++ ) { - width += advances[i]; - } - x = -x + width; - } - int cp_before = 0; - int cp_after = 0; - int x_before = 0; - int x_after = 0; - - int lastCluster = 0; - for ( int i = 1; i <= l; i++ ) { - int newCluster = i < l ? logClusters[i] : si->num_glyphs; - if ( newCluster != lastCluster ) { - // calculate cluster width - cp_before = cp_after; - x_before = x_after; - cp_after = i; - for ( int j = lastCluster; j < newCluster; j++ ) - x_after += advances[j]; - // qDebug("cluster boundary: lastCluster=%d, newCluster=%d, x_before=%d, x_after=%d", - // lastCluster, newCluster, x_before, x_after ); - if ( x_after > x ) - break; - lastCluster = newCluster; - } - } - - bool before = ( cpos == OnCharacters || (x - x_before) < (x_after - x) ); - -// qDebug("got cursor position for %d: %d/%d, x_ba=%d/%d using %d", -// x, cp_before,cp_after, x_before, x_after, before ? cp_before : cp_after ); - - return before ? cp_before : cp_after; - -} - - -bool TQTextItem::isRightToLeft() const -{ - return (engine->items[item].analysis.bidiLevel % 2); -} - -bool TQTextItem::isObject() const -{ - return engine->items[item].isObject; -} - -bool TQTextItem::isSpace() const -{ - return engine->items[item].isSpace; -} - -bool TQTextItem::isTab() const -{ - return engine->items[item].isTab; -} - -TQTextLayout::TQTextLayout() - :d(0) {} - -TQTextLayout::TQTextLayout( const TQString& string, TQPainter *p ) -{ - TQFontPrivate *f = p ? ( p->pfont ? p->pfont->d : p->cfont.d ) : TQApplication::font().d; - d = new TQTextEngine( (string.isNull() ? (const TQString&)TQString::tqfromLatin1("") : string), f ); -} - -TQTextLayout::TQTextLayout( const TQString& string, const TQFont& fnt ) -{ - d = new TQTextEngine( (string.isNull() ? (const TQString&)TQString::tqfromLatin1("") : string), fnt.d ); -} - -TQTextLayout::~TQTextLayout() -{ - delete d; -} - -void TQTextLayout::setText( const TQString& string, const TQFont& fnt ) -{ - delete d; - d = new TQTextEngine( (string.isNull() ? (const TQString&)TQString::tqfromLatin1("") : string), fnt.d ); -} - -/* add an additional item boundary eg. for style change */ -void TQTextLayout::setBoundary( int strPos ) -{ - if ( strPos <= 0 || strPos >= (int)d->string.length() ) - return; - - int itemToSplit = 0; - while ( itemToSplit < d->items.size() && d->items[itemToSplit].position <= strPos ) - itemToSplit++; - itemToSplit--; - if ( d->items[itemToSplit].position == strPos ) { - // already a split at the requested position - return; - } - d->splitItem( itemToSplit, strPos - d->items[itemToSplit].position ); -} - - -int TQTextLayout::numItems() const -{ - return d->items.size(); -} - -TQTextItem TQTextLayout::itemAt( int i ) const -{ - return TQTextItem( i, d ); -} - - -TQTextItem TQTextLayout::findItem( int strPos ) const -{ - if ( strPos == 0 && d->items.size() ) - return TQTextItem( 0, d ); - // ## TODO use bsearch - for ( int i = d->items.size()-1; i >= 0; --i ) { - if ( d->items[i].position < strPos ) - return TQTextItem( i, d ); - } - return TQTextItem(); -} - - -void TQTextLayout::beginLayout( TQTextLayout::LayoutMode m ) -{ - d->items.clear(); - TQTextEngine::Mode mode = TQTextEngine::Full; - if (m == NoBidi) - mode = TQTextEngine::NoBidi; - else if (m == SingleLine) - mode = TQTextEngine::SingleLine; - d->itemize( mode ); - d->currentItem = 0; - d->firstItemInLine = -1; -} - -void TQTextLayout::beginLine( int width ) -{ - d->lineWidth = width; - d->widthUsed = 0; - d->firstItemInLine = -1; -} - -bool TQTextLayout::atEnd() const -{ - return d->currentItem >= d->items.size(); -} - -TQTextItem TQTextLayout::nextItem() -{ - d->currentItem++; - - if ( d->currentItem >= d->items.size() ) - return TQTextItem(); - - d->tqshape( d->currentItem ); - return TQTextItem( d->currentItem, d ); -} - -TQTextItem TQTextLayout::currentItem() -{ - if ( d->currentItem >= d->items.size() ) - return TQTextItem(); - - d->tqshape( d->currentItem ); - return TQTextItem( d->currentItem, d ); -} - -/* ## maybe also currentItem() */ -void TQTextLayout::setLineWidth( int newWidth ) -{ - d->lineWidth = newWidth; -} - -int TQTextLayout::lineWidth() const -{ - return d->lineWidth; -} - -int TQTextLayout::widthUsed() const -{ - return d->widthUsed; -} - -int TQTextLayout::availableWidth() const -{ - return d->lineWidth - d->widthUsed; -} - - -/* returns true if completely added */ -TQTextLayout::Result TQTextLayout::addCurrentItem() -{ - if ( d->firstItemInLine == -1 ) - d->firstItemInLine = d->currentItem; - TQScriptItem ¤t = d->items[d->currentItem]; - d->tqshape( d->currentItem ); - d->widthUsed += current.width; -// qDebug("trying to add item %d with width %d, remaining %d", d->currentItem, current.width, d->lineWidth-d->widthUsed ); - - d->currentItem++; - - return (d->widthUsed <= d->lineWidth - || (d->currentItem < d->items.size() && d->items[d->currentItem].isSpace)) ? Ok : LineFull; -} - -TQTextLayout::Result TQTextLayout::endLine( int x, int y, int tqalignment, - int *ascent, int *descent, int *lineLeft, int *lineRight ) -{ - int available = d->lineWidth; - int numRuns = 0; - int numSpaceItems = 0; - TQ_UINT8 _levels[128]; - int _visual[128]; - TQ_UINT8 *levels = _levels; - int *visual = _visual; - int i; - TQTextLayout::Result result = LineEmpty; - -// qDebug("endLine x=%d, y=%d, first=%d, current=%d lw=%d wu=%d", x, y, d->firstItemInLine, d->currentItem, d->lineWidth, d->widthUsed ); - int width_nobreak_found = d->widthUsed; - if ( d->firstItemInLine == -1 ) - goto end; - - if ( !(tqalignment & (TQt::SingleLine|TQt::IncludeTrailingSpaces)) - && d->currentItem > d->firstItemInLine && d->items[d->currentItem-1].isSpace ) { - int i = d->currentItem-1; - while ( i > d->firstItemInLine && d->items[i].isSpace ) { - numSpaceItems++; - d->widthUsed -= d->items[i--].width; - } - } - - if ( (tqalignment & (TQt::WordBreak|TQt::BreakAnywhere)) && - d->widthUsed > d->lineWidth ) { - // find linebreak - - // even though we removed trailing spaces the line was too wide. We'll have to break at an earlier - // position. To not confuse the layouting below, reset the number of space items - numSpaceItems = 0; - - - bool breakany = tqalignment & TQt::BreakAnywhere; - - const TQCharAttributes *attrs = d->attributes(); - int w = 0; - int itemWidth = 0; - int breakItem = d->firstItemInLine; - int breakPosition = -1; -#if 0 - // we iterate backwards or forward depending on what we guess is closer - if ( d->widthUsed - d->lineWidth < d->lineWidth ) { - // backwards search should be faster - - } else -#endif - { - int tmpWidth = 0; - int swidth = 0; - // forward search is probably faster - for ( int i = d->firstItemInLine; i < d->currentItem; i++ ) { - const TQScriptItem *si = &d->items[i]; - int length = d->length( i ); - const TQCharAttributes *itemAttrs = attrs + si->position; - - advance_t *advances = d->advances( si ); - unsigned short *logClusters = d->logClusters( si ); - - int lastGlyph = 0; - int tmpItemWidth = 0; - -// qDebug("looking for break in item %d, isSpace=%d", i, si->isSpace ); - if(si->isSpace && !(tqalignment & (TQt::SingleLine|TQt::IncludeTrailingSpaces))) { - swidth += si->width; - } else { - tmpWidth += swidth; - swidth = 0; - for ( int pos = 0; pos < length; pos++ ) { -// qDebug("advance=%d, w=%d, tmpWidth=%d, softbreak=%d, whitespace=%d", -// *advances, w, tmpWidth, itemAttrs->softBreak, itemAttrs->whiteSpace ); - int glyph = logClusters[pos]; - if ( lastGlyph != glyph ) { - while ( lastGlyph < glyph ) - tmpItemWidth += advances[lastGlyph++]; - if ( breakPosition != -1 && w + tmpWidth + tmpItemWidth > d->lineWidth ) { -// qDebug("found break at w=%d, tmpWidth=%d, tmpItemWidth=%d", w, tmpWidth, tmpItemWidth); - d->widthUsed = w; - goto found; - } - } - if ( (itemAttrs->softBreak || - ( breakany && itemAttrs->charStop ) ) && - (i != d->firstItemInLine || pos != 0) ) { - if ( breakItem != i ) - itemWidth = 0; - if (itemAttrs->softBreak) - breakany = FALSE; - breakItem = i; - breakPosition = pos; -// qDebug("found possible break at item %d, position %d (absolute=%d), w=%d, tmpWidth=%d, tmpItemWidth=%d", breakItem, breakPosition, d->items[breakItem].position+breakPosition, w, tmpWidth, tmpItemWidth); - w += tmpWidth + tmpItemWidth; - itemWidth += tmpItemWidth; - tmpWidth = 0; - tmpItemWidth = 0; - } - itemAttrs++; - } - while ( lastGlyph < si->num_glyphs ) - tmpItemWidth += advances[lastGlyph++]; - tmpWidth += tmpItemWidth; - if ( w + tmpWidth > d->lineWidth ) { - d->widthUsed = w; - goto found; - } - } - } - } - - found: - // no valid break point found - if ( breakPosition == -1 ) { - d->widthUsed = width_nobreak_found; - goto nobreak; - } - -// qDebug("linebreak at item %d, position %d, wu=%d", breakItem, breakPosition, d->widthUsed ); - // split the line - if ( breakPosition > 0 ) { -// int length = d->length( breakItem ); - -// qDebug("splitting item, itemWidth=%d", itemWidth); - // not a full item, need to break - d->splitItem( breakItem, breakPosition ); - d->currentItem = breakItem+1; - } else { - d->currentItem = breakItem; - } - } - - result = Ok; - - nobreak: - // position the objects in the line - available -= d->widthUsed; - - numRuns = d->currentItem - d->firstItemInLine - numSpaceItems; - if ( numRuns > 127 ) { - levels = new TQ_UINT8[numRuns]; - visual = new int[numRuns]; - } - -// qDebug("reordering %d runs, numSpaceItems=%d", numRuns, numSpaceItems ); - for ( i = 0; i < numRuns; i++ ) { - levels[i] = d->items[i+d->firstItemInLine].analysis.bidiLevel; -// qDebug(" level = %d", d->items[i+d->firstItemInLine].analysis.bidiLevel ); - } - d->bidiReorder( numRuns, levels, visual ); - - end: - // ### FIXME - if ( tqalignment & TQt::AlignJustify ) { - // #### justify items - tqalignment = TQt::AlignAuto; - } - if ( (tqalignment & TQt::AlignHorizontal_Mask) == TQt::AlignAuto ) - tqalignment = TQt::AlignLeft; - if ( tqalignment & TQt::AlignRight ) - x += available; - else if ( tqalignment & TQt::AlignHCenter ) - x += available/2; - - - int asc = ascent ? *ascent : 0; - int desc = descent ? *descent : 0; - - for ( i = 0; i < numRuns; i++ ) { - TQScriptItem &si = d->items[d->firstItemInLine+visual[i]]; - asc = TQMAX( asc, si.ascent ); - desc = TQMAX( desc, si.descent ); - } - - int left = x; - for ( i = 0; i < numRuns; i++ ) { - TQScriptItem &si = d->items[d->firstItemInLine+visual[i]]; -// qDebug("positioning item %d with width %d (from=%d/length=%d) at %d", d->firstItemInLine+visual[i], si.width, si.position, -// d->length(d->firstItemInLine+visual[i]), x ); - si.x = x; - si.y = y + asc; - x += si.width; - } - int right = x; - - if ( numSpaceItems ) { - if ( d->items[d->firstItemInLine+numRuns].analysis.bidiLevel % 2 ) { - x = left; - for ( i = 0; i < numSpaceItems; i++ ) { - TQScriptItem &si = d->items[d->firstItemInLine + numRuns + i]; - x -= si.width; - si.x = x; - si.y = y + asc; - } - } else { - for ( i = 0; i < numSpaceItems; i++ ) { - TQScriptItem &si = d->items[d->firstItemInLine + numRuns + i]; - si.x = x; - si.y = y + asc; - x += si.width; - } - } - } - - if ( lineLeft ) - *lineLeft = left; - if ( lineRight ) - *lineRight = right; - if ( ascent ) - *ascent = asc; - if ( descent ) - *descent = desc; - - if (levels != _levels) - delete []levels; - if (visual != _visual) - delete []visual; - - return result; -} - -void TQTextLayout::endLayout() -{ - // nothing to do currently -} - - -int TQTextLayout::nextCursorPosition( int oldPos, CursorMode mode ) const -{ -// qDebug("looking for next cursor pos for %d", oldPos ); - const TQCharAttributes *attributes = d->attributes(); - int len = d->string.length(); - if ( oldPos >= len ) - return oldPos; - oldPos++; - if ( mode == SkipCharacters ) { - while ( oldPos < len && !attributes[oldPos].charStop ) - oldPos++; - } else { - while ( oldPos < len && !attributes[oldPos].wordStop && !attributes[oldPos-1].whiteSpace ) - oldPos++; - } -// qDebug(" -> %d", oldPos ); - return oldPos; -} - -int TQTextLayout::previousCursorPosition( int oldPos, CursorMode mode ) const -{ -// qDebug("looking for previous cursor pos for %d", oldPos ); - const TQCharAttributes *attributes = d->attributes(); - if ( oldPos <= 0 ) - return 0; - oldPos--; - if ( mode == SkipCharacters ) { - while ( oldPos && !attributes[oldPos].charStop ) - oldPos--; - } else { - while ( oldPos && !attributes[oldPos].wordStop && !attributes[oldPos-1].whiteSpace ) - oldPos--; - } -// qDebug(" -> %d", oldPos ); - return oldPos; -} - - -bool TQTextLayout::validCursorPosition( int pos ) const -{ - const TQCharAttributes *attributes = d->attributes(); - if ( pos < 0 || pos > (int)d->string.length() ) - return FALSE; - return attributes[pos].charStop; -} - -void TQTextLayout::setDirection(TQChar::Direction dir) -{ - d->direction = dir; -} - -#endif // USE_QT4
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