Mercurial > hg > easyhg-kdiff3
view kdiff3/src/difftextwindow.cpp @ 53:32d5cbf9db71
Corrections for 0.9.81:
- Fix for configure --enable-final
- Bugfixes
- First steps towards internationalisation
author | joachim99 |
---|---|
date | Tue, 20 Jan 2004 20:19:59 +0000 |
parents | c59d5a3a8ff3 |
children | 8af4bb9d9a5a |
line wrap: on
line source
/*************************************************************************** difftextwindow.cpp - description ------------------- begin : Mon Apr 8 2002 copyright : (C) 2002 by Joachim Eibl email : joachim.eibl@gmx.de ***************************************************************************/ /*************************************************************************** * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * ***************************************************************************/ #include <iostream> #include "diff.h" #include "merger.h" #include <qpainter.h> #include <assert.h> #include <qpixmap.h> #include <qstatusbar.h> #include <qapplication.h> #include <qtooltip.h> #include <qfont.h> #include <optiondialog.h> #include <math.h> #include <qdragobject.h> #include <klocale.h> #undef leftInfoWidth #define leftInfoWidth (4+m_lineNumberWidth) // Nr of information columns on left side DiffTextWindow::DiffTextWindow( QWidget* pParent, QStatusBar* pStatusBar, OptionDialog* pOptionDialog ) : QWidget(pParent, 0, WRepaintNoErase) { setFocusPolicy( QWidget::ClickFocus ); setAcceptDrops( true ); m_pOptionDialog = pOptionDialog; init( 0, 0, 0, 0, 0, false ); setBackgroundMode( PaletteBase ); setMinimumSize(QSize(20,20)); m_pStatusBar = pStatusBar; m_bPaintingAllowed = true; setFont(m_pOptionDialog->m_font); } void DiffTextWindow::init( const QString& filename, LineData* pLineData, int size, const Diff3LineVector* pDiff3LineVector, int winIdx, bool bTriple ) { m_filename = filename; m_pLineData = pLineData; m_size = size; m_pDiff3LineVector = pDiff3LineVector; m_winIdx = winIdx; m_firstLine = 0; m_oldFirstLine = -1; m_firstColumn = 0; m_oldFirstColumn = -1; m_bTriple = bTriple; m_scrollDeltaX=0; m_scrollDeltaY=0; m_bMyUpdate = false; m_fastSelectorLine1 = 0; m_fastSelectorNofLines = 0; m_lineNumberWidth = 0; selection.reset(); selection.oldFirstLine = -1; // reset is not enough here. selection.oldLastLine = -1; selection.lastLine = -1; QToolTip::remove(this); QToolTip::add( this, QRect( 0,0, 1024, fontMetrics().height() ), m_filename ); update(); } void DiffTextWindow::setPaintingAllowed( bool bAllowPainting ) { if (m_bPaintingAllowed != bAllowPainting) { m_bPaintingAllowed = bAllowPainting; if ( m_bPaintingAllowed ) update(); } } void DiffTextWindow::dragEnterEvent( QDragEnterEvent* e ) { e->accept( QUriDrag::canDecode(e) || QTextDrag::canDecode(e) ); // Note that the corresponding drop is handled in KDiff3App::eventFilter(). } void DiffTextWindow::setFirstLine(int firstLine) { m_firstLine = max2(0,firstLine); myUpdate(0); // Immediately } void DiffTextWindow::setFirstColumn(int firstCol) { m_firstColumn = max2(0,firstCol); myUpdate(0); // Immediately } int DiffTextWindow::getNofColumns() { int nofColumns = 0; for( int i = 0; i< m_size; ++i ) { if ( m_pLineData[i].width() > nofColumns ) nofColumns = m_pLineData[i].width(); } return nofColumns; } int DiffTextWindow::getNofLines() { return m_pDiff3LineVector->size(); } /** Returns a line number where the linerange [line, line+nofLines] can be displayed best. If it fits into the currently visible range then the returned value is the current firstLine. */ int getBestFirstLine( int line, int nofLines, int firstLine, int visibleLines ) { int newFirstLine = firstLine; if ( line < firstLine || line + nofLines + 2 > firstLine + visibleLines ) { if ( nofLines > visibleLines || nofLines <= ( 2*visibleLines / 3 - 1) ) newFirstLine = line - visibleLines/3; else newFirstLine = line - (visibleLines - nofLines); } return newFirstLine; } void DiffTextWindow::setFastSelectorRange( int line1, int nofLines ) { m_fastSelectorLine1 = line1; m_fastSelectorNofLines = nofLines; if ( isVisible() ) { int newFirstLine = getBestFirstLine( line1, nofLines, m_firstLine, getNofVisibleLines() ); if ( newFirstLine != m_firstLine ) { scroll( 0, newFirstLine - m_firstLine ); } update(); } } static void showStatusLine(int line, int winIdx, const QString& filename, const Diff3LineVector& d3lv, QStatusBar* sb) { int l=0; const Diff3Line* pD3l = d3lv[line]; if(line >= 0 && line<(int)d3lv.size() && pD3l != 0 ) { if ( winIdx==1 ) l = pD3l->lineA; else if ( winIdx==2 ) l = pD3l->lineB; else if ( winIdx==3 ) l = pD3l->lineC; else assert(false); QString s; if ( l!=-1 ) s.sprintf("File %s: Line %d", filename.ascii(), l+1 ); else s.sprintf("File %s: Line not available", filename.ascii() ); if (sb!=0) sb->message(s); } } void DiffTextWindow::mousePressEvent ( QMouseEvent* e ) { if ( e->button() == LeftButton ) { int line; int pos; convertToLinePos( e->x(), e->y(), line, pos ); if ( pos < m_firstColumn ) { emit setFastSelectorLine( line ); selection.firstLine = -1; // Disable current selection } else { // Selection resetSelection(); selection.start( line, pos ); selection.end( line, pos ); showStatusLine( line, m_winIdx, m_filename, *m_pDiff3LineVector, m_pStatusBar ); } } } bool isCTokenChar( char c ) { return (c=='_') || ( c>='A' && c<='Z' ) || ( c>='a' && c<='z' ) || (c>='0' && c<='9'); } /// Calculate where a token starts and ends, given the x-position on screen. void calcTokenPos( const char* p, int size, int posOnScreen, int& pos1, int& pos2 ) { // Cursor conversions that consider g_tabSize int pos = convertToPosInText( p, size, max2( 0, posOnScreen ) ); if ( pos>=size ) { pos1=size; pos2=size; return; } pos1 = pos; pos2 = pos+1; if( isCTokenChar( p[pos1] ) ) { while( pos1>=0 && isCTokenChar( p[pos1] ) ) --pos1; ++pos1; while( pos2<size && isCTokenChar( p[pos2] ) ) ++pos2; } } void DiffTextWindow::mouseDoubleClickEvent( QMouseEvent* e ) { if ( e->button() == LeftButton ) { int line; int pos; convertToLinePos( e->x(), e->y(), line, pos ); // Get the string data of the current line QCString s = getString( line ); if ( ! s.isEmpty() ) { int pos1, pos2; calcTokenPos( s, s.length(), pos, pos1, pos2 ); resetSelection(); selection.start( line, convertToPosOnScreen( s, pos1 ) ); selection.end( line, convertToPosOnScreen( s, pos2 ) ); update(); // emit selectionEnd() happens in the mouseReleaseEvent. showStatusLine( line, m_winIdx, m_filename, *m_pDiff3LineVector, m_pStatusBar ); } } } void DiffTextWindow::mouseReleaseEvent ( QMouseEvent * /*e*/ ) { //if ( e->button() == LeftButton ) { killTimers(); if (selection.firstLine != -1 ) { emit selectionEnd(); } } m_scrollDeltaX=0; m_scrollDeltaY=0; } void DiffTextWindow::mouseMoveEvent ( QMouseEvent * e ) { int line; int pos; convertToLinePos( e->x(), e->y(), line, pos ); if (selection.firstLine != -1 ) { selection.end( line, pos ); myUpdate(0); showStatusLine( line, m_winIdx, m_filename, *m_pDiff3LineVector, m_pStatusBar ); // Scroll because mouse moved out of the window const QFontMetrics& fm = fontMetrics(); int fontHeight = fm.height(); int fontWidth = fm.width('W'); int topLineYOffset = fontHeight + 3; int deltaX=0; int deltaY=0; if ( e->x() < leftInfoWidth*fontWidth ) deltaX=-1; if ( e->x() > width() ) deltaX=+1; if ( e->y() < topLineYOffset ) deltaY=-1; if ( e->y() > height() ) deltaY=+1; m_scrollDeltaX = deltaX; m_scrollDeltaY = deltaY; if ( deltaX != 0 || deltaY!= 0) { emit scroll( deltaX, deltaY ); } } } void DiffTextWindow::myUpdate(int afterMilliSecs) { killTimers(); m_bMyUpdate = true; startTimer( afterMilliSecs ); } void DiffTextWindow::timerEvent(QTimerEvent*) { killTimers(); if ( m_bMyUpdate ) { paintEvent( 0 ); m_bMyUpdate = false; } if ( m_scrollDeltaX != 0 || m_scrollDeltaY != 0 ) { selection.end( selection.lastLine + m_scrollDeltaY, selection.lastPos + m_scrollDeltaX ); emit scroll( m_scrollDeltaX, m_scrollDeltaY ); killTimers(); startTimer(50); } } void DiffTextWindow::resetSelection() { selection.reset(); update(); } void DiffTextWindow::convertToLinePos( int x, int y, int& line, int& pos ) { const QFontMetrics& fm = fontMetrics(); int fontHeight = fm.height(); int fontWidth = fm.width('W'); int xOffset = (leftInfoWidth-m_firstColumn)*fontWidth; int topLineYOffset = fontHeight + 3; int yOffset = topLineYOffset - m_firstLine * fontHeight; line = ( y - yOffset ) / fontHeight; pos = ( x - xOffset ) / fontWidth; } int Selection::firstPosInLine(int l) { assert( firstLine != -1 ); int l1 = firstLine; int l2 = lastLine; int p1 = firstPos; int p2 = lastPos; if ( l1>l2 ){ std::swap(l1,l2); std::swap(p1,p2); } if ( l1==l2 && p1>p2 ){ std::swap(p1,p2); } if ( l==l1 ) return p1; return 0; } int Selection::lastPosInLine(int l) { assert( firstLine != -1 ); int l1 = firstLine; int l2 = lastLine; int p1 = firstPos; int p2 = lastPos; if ( l1>l2 ){ std::swap(l1,l2); std::swap(p1,p2); } if ( l1==l2 && p1>p2 ){ std::swap(p1,p2); } if ( l==l2 ) return p2; return INT_MAX; } bool Selection::within( int l, int p ) { if ( firstLine == -1 ) return false; int l1 = firstLine; int l2 = lastLine; int p1 = firstPos; int p2 = lastPos; if ( l1>l2 ){ std::swap(l1,l2); std::swap(p1,p2); } if ( l1==l2 && p1>p2 ){ std::swap(p1,p2); } if( l1 <= l && l <= l2 ) { if ( l1==l2 ) return p>=p1 && p<p2; if ( l==l1 ) return p>=p1; if ( l==l2 ) return p<p2; return true; } return false; } bool Selection::lineWithin( int l ) { if ( firstLine == -1 ) return false; int l1 = firstLine; int l2 = lastLine; if ( l1>l2 ){ std::swap(l1,l2); } return ( l1 <= l && l <= l2 ); } void DiffTextWindow::writeLine( QPainter& p, const LineData* pld, const DiffList* pLineDiff1, const DiffList* pLineDiff2, int line, int whatChanged, int whatChanged2, int srcLineNr ) { QFont normalFont = font(); QFont diffFont = normalFont; diffFont.setItalic( m_pOptionDialog->m_bItalicForDeltas ); const QFontMetrics& fm = fontMetrics(); int fontHeight = fm.height(); int fontAscent = fm.ascent(); int fontDescent = fm.descent(); int fontWidth = fm.width('W'); int topLineYOffset = fontHeight + 3; int xOffset = (leftInfoWidth - m_firstColumn)*fontWidth; int yOffset = (line-m_firstLine) * fontHeight + topLineYOffset; QRect lineRect( 0, yOffset, width(), fontHeight ); if ( ! m_invalidRect.intersects( lineRect ) ) return; int fastSelectorLine2 = m_fastSelectorLine1+m_fastSelectorNofLines - 1; bool bFastSelectionRange = (line>=m_fastSelectorLine1 && line<= fastSelectorLine2 ); QColor bgColor = m_pOptionDialog->m_bgColor; QColor diffBgColor = m_pOptionDialog->m_diffBgColor; if ( bFastSelectionRange ) { bgColor = m_pOptionDialog->m_currentRangeBgColor; diffBgColor = m_pOptionDialog->m_currentRangeDiffBgColor; } // QRect winRect = rect(); //p.window(); if ( yOffset+fontHeight<0 || height() + fontHeight < yOffset ) return; int changed = whatChanged; if ( pLineDiff1 != 0 ) changed |= 1; if ( pLineDiff2 != 0 ) changed |= 2; QColor c = m_pOptionDialog->m_fgColor; if ( changed == 2 ) { c = m_cDiff2; } else if ( changed == 1 ) { c = m_cDiff1; } else if ( changed == 3 ) { c = m_cDiffBoth; } p.fillRect( leftInfoWidth*fontWidth, yOffset, width(), fontHeight, bgColor ); if (pld!=0) { // First calculate the "changed" information for each character. int i=0; std::vector<UINT8> charChanged( pld->size ); if ( pLineDiff1!=0 || pLineDiff2 != 0 ) { Merger merger( pLineDiff1, pLineDiff2 ); while( ! merger.isEndReached() && i<pld->size ) { if ( i < pld->size ) { charChanged[i] = merger.whatChanged(); ++i; } merger.next(); } } QCString s=" "; // Convert tabs int outPos = 0; for( i=0; i<pld->size; ++i ) { int spaces = 1; if ( pld->pLine[i]=='\t' ) { spaces = tabber( outPos, g_tabSize ); s[0] = ' '; } else { s[0] = pld->pLine[i]; } QColor c = m_pOptionDialog->m_fgColor; int cchanged = charChanged[i] | whatChanged; if ( cchanged == 2 ) { c = m_cDiff2; } else if ( cchanged == 1 ) { c = m_cDiff1; } else if ( cchanged == 3 ) { c = m_cDiffBoth; } if ( c!=m_pOptionDialog->m_fgColor && whatChanged2==0 && !m_pOptionDialog->m_bShowWhiteSpace ) { // The user doesn't want to see highlighted white space. c = m_pOptionDialog->m_fgColor; } QRect outRect( xOffset + fontWidth*outPos, yOffset, fontWidth*spaces, fontHeight ); if ( m_invalidRect.intersects( outRect ) ) { if( !selection.within( line, outPos ) ) { if( c!=m_pOptionDialog->m_fgColor ) { QColor lightc = diffBgColor; p.fillRect( xOffset + fontWidth*outPos, yOffset, fontWidth*spaces, fontHeight, lightc ); p.setFont(diffFont); } p.setPen( c ); if ( s[0]==' ' && c!=m_pOptionDialog->m_fgColor && charChanged[i]!=0 ) { if ( m_pOptionDialog->m_bShowWhiteSpaceCharacters && m_pOptionDialog->m_bShowWhiteSpace) { p.fillRect( xOffset + fontWidth*outPos, yOffset+fontAscent, fontWidth*spaces-1, fontDescent+1, c ); } } else { p.drawText( xOffset + fontWidth*outPos, yOffset + fontAscent, decodeString(s,m_pOptionDialog) ); } p.setFont(normalFont); } else { p.fillRect( xOffset + fontWidth*outPos, yOffset, fontWidth*(spaces), fontHeight, colorGroup().highlight() ); p.setPen( colorGroup().highlightedText() ); p.drawText( xOffset + fontWidth*outPos, yOffset + fontAscent, decodeString(s,m_pOptionDialog) ); selection.bSelectionContainsData = true; } } outPos += spaces; } if( selection.lineWithin( line ) && selection.lineWithin( line+1 ) ) { p.fillRect( xOffset + fontWidth*outPos, yOffset, width(), fontHeight, colorGroup().highlight() ); } } p.fillRect( 0, yOffset, leftInfoWidth*fontWidth, fontHeight, m_pOptionDialog->m_bgColor ); xOffset = (m_lineNumberWidth+2)*fontWidth; int xLeft = m_lineNumberWidth*fontWidth; p.setPen( m_pOptionDialog->m_fgColor ); if ( pld!=0 ) { if ( m_pOptionDialog->m_bShowLineNumbers ) { QString num; num.sprintf( "%0*d", m_lineNumberWidth, srcLineNr); p.drawText( 0, yOffset + fontAscent, num ); //p.drawLine( xLeft -1, yOffset, xLeft -1, yOffset+fontHeight-1 ); } p.drawLine( xOffset +1, yOffset, xOffset +1, yOffset+fontHeight-1 ); } if ( c!=m_pOptionDialog->m_fgColor && whatChanged2==0 )//&& whatChanged==0 ) { if ( m_pOptionDialog->m_bShowWhiteSpace ) { p.setBrushOrigin(0,0); p.fillRect( xLeft, yOffset, fontWidth*2-1, fontHeight, QBrush(c,Dense5Pattern) ); } } else { p.fillRect( xLeft, yOffset, fontWidth*2-1, fontHeight, c==m_pOptionDialog->m_fgColor ? bgColor : c ); } if ( bFastSelectionRange ) { p.fillRect( xOffset + fontWidth-1, yOffset, 3, fontHeight, m_pOptionDialog->m_fgColor ); /* p.drawLine( xOffset + fontWidth-1, yOffset, xOffset + fontWidth-1, yOffset+fontHeight-1 ); if ( line == m_fastSelectorLine1 ) { p.drawLine( xOffset + fontWidth-1, yOffset, xOffset + fontWidth+2, yOffset ); } if ( line == fastSelectorLine2 ) { p.drawLine( xOffset + fontWidth-1, yOffset+fontHeight-1, xOffset + fontWidth+2, yOffset+fontHeight-1 ); }*/ } } void DiffTextWindow::paintEvent( QPaintEvent* e ) { if ( m_pDiff3LineVector==0 || ! m_bPaintingAllowed ) return; m_lineNumberWidth = m_pOptionDialog->m_bShowLineNumbers ? (int)log10((double)m_size)+1 : 0; if (e!=0) { m_invalidRect |= e->rect(); } if ( m_winIdx==1 ) { m_cThis = m_pOptionDialog->m_colorA; m_cDiff1 = m_pOptionDialog->m_colorB; m_cDiff2 = m_pOptionDialog->m_colorC; } if ( m_winIdx==2 ) { m_cThis = m_pOptionDialog->m_colorB; m_cDiff1 = m_pOptionDialog->m_colorC; m_cDiff2 = m_pOptionDialog->m_colorA; } if ( m_winIdx==3 ) { m_cThis = m_pOptionDialog->m_colorC; m_cDiff1 = m_pOptionDialog->m_colorA; m_cDiff2 = m_pOptionDialog->m_colorB; } m_cDiffBoth = m_pOptionDialog->m_colorForConflict; // Conflict color bool bOldSelectionContainsData = selection.bSelectionContainsData; selection.bSelectionContainsData = false; int fontHeight = fontMetrics().height(); int fontAscent = fontMetrics().ascent(); // int fontDescent = fontMetrics().descent(); int fontWidth = fontMetrics().width('W'); int topLineYOffset = fontHeight + 3; int xOffset = leftInfoWidth * fontWidth; int firstLineToDraw = 0; int lastLineToDraw = (height() - topLineYOffset ) / fontHeight; if ( abs(m_oldFirstLine - m_firstLine)>=lastLineToDraw ) { m_oldFirstLine = -1; m_invalidRect |= QRect( 0, topLineYOffset, width(), height() ); } if ( m_oldFirstLine != -1 && m_oldFirstLine != m_firstLine ) { int deltaY = fontHeight * ( m_oldFirstLine - m_firstLine ); if ( deltaY > 0 ) { // Move down bitBlt( this, 0, deltaY + topLineYOffset /*dy*/, this, 0, topLineYOffset /*sy*/, width(), height()- (deltaY + topLineYOffset), CopyROP, true); lastLineToDraw = firstLineToDraw + ( m_oldFirstLine - m_firstLine); m_invalidRect |= QRect( 0, topLineYOffset, width(), deltaY ); } else { // Move up bitBlt( this, 0, topLineYOffset /*dy*/, this, 0, -deltaY+topLineYOffset /*sy*/, width(), height()-(-deltaY+topLineYOffset), CopyROP, true); firstLineToDraw = lastLineToDraw + ( m_oldFirstLine - m_firstLine); m_invalidRect |= QRect( 0, height()+deltaY, width(), -deltaY ); } } if ( m_oldFirstColumn != -1 && m_oldFirstColumn != m_firstColumn ) { int deltaX = fontWidth * ( m_oldFirstColumn - m_firstColumn ); if ( deltaX > 0 ) { // Move right, scroll left bitBlt( this, deltaX+xOffset, topLineYOffset, this, xOffset, topLineYOffset, width(), height(), CopyROP, true); m_invalidRect |= QRect( xOffset, topLineYOffset, deltaX, height() - topLineYOffset ); } else { // Move left, scroll right bitBlt( this, xOffset, topLineYOffset, this, xOffset-deltaX, topLineYOffset, width()-(xOffset-deltaX), height()-topLineYOffset, CopyROP, true); m_invalidRect |= QRect( width() + deltaX, topLineYOffset, -deltaX, height() - topLineYOffset ); } } if ( selection.oldLastLine != -1 ) { int lastLine; int firstLine; if ( selection.oldFirstLine != -1 ) { firstLine = min3( selection.oldFirstLine, selection.lastLine, selection.oldLastLine ); lastLine = max3( selection.oldFirstLine, selection.lastLine, selection.oldLastLine ); } else { firstLine = min2( selection.lastLine, selection.oldLastLine ); lastLine = max2( selection.lastLine, selection.oldLastLine ); } int y1 = topLineYOffset + ( firstLine - m_firstLine ) * fontHeight; int y2 = min2( height(), topLineYOffset + ( lastLine - m_firstLine +1 ) * fontHeight ); if ( y1<height() && y2>topLineYOffset ) { m_invalidRect |= QRect( 0, y1, width(), y2-y1 ); } } if ( m_invalidRect.isEmpty() ) return; QPainter painter(this); //QPainter& p=painter; QPixmap pixmap( m_invalidRect.size() ); QPainter p( &pixmap ); p.translate( -m_invalidRect.x(), -m_invalidRect.y() ); p.fillRect( m_invalidRect, m_pOptionDialog->m_bgColor ); firstLineToDraw += m_firstLine; lastLineToDraw += m_firstLine; p.setFont( font() ); p.setPen( m_cThis ); if( m_invalidRect.intersects( QRect(0,0,width(), topLineYOffset ) ) || m_firstLine != m_oldFirstLine ) { int l=-1; for ( int i = m_firstLine; i<(int)m_pDiff3LineVector->size(); ++i ) { const Diff3Line* d3l = (*m_pDiff3LineVector)[i]; if ( m_winIdx==1 ) l=d3l->lineA; else if ( m_winIdx==2 ) l=d3l->lineB; else if ( m_winIdx==3 ) l=d3l->lineC; else assert(false); if (l!=-1) break; } const char* winId = ( m_winIdx==1 ? (m_bTriple?"A (Base)":"A") : ( m_winIdx==2 ? "B" : "C" ) ); QString s = QString(" ")+ winId + " : " + m_filename + " : "; if ( l!=-1 ) s += i18n("Topline %1").arg( l+1 ); else s += i18n("End"); if (hasFocus()) { painter.fillRect( 0, 0, width(), topLineYOffset, m_cThis ); painter.setPen( m_pOptionDialog->m_bgColor ); painter.drawText( 0, fontAscent+1, s ); } else { painter.fillRect( 0, 0, width(), topLineYOffset, m_pOptionDialog->m_bgColor ); painter.setPen( m_cThis ); painter.drawLine( 0, fontHeight + 2, width(), fontHeight + 2 ); painter.drawText( 0, fontAscent+1, s ); } } int lastVisibleLine = min2( m_firstLine + getNofVisibleLines()+2, (int)m_pDiff3LineVector->size() ); for ( int line = m_firstLine; line<lastVisibleLine; ++line ) { const Diff3Line* d3l = (*m_pDiff3LineVector)[line]; DiffList* pFineDiff1; DiffList* pFineDiff2; int changed=0; int changed2=0; int lineIdx; getLineInfo( *d3l, lineIdx, pFineDiff1, pFineDiff2, changed, changed2 ); writeLine( p, // QPainter lineIdx == -1 ? 0 : &m_pLineData[lineIdx], // Text in this line pFineDiff1, pFineDiff2, line, // Line on the screen changed, changed2, lineIdx+1 ); } // p.drawLine( m_invalidRect.x(), m_invalidRect.y(), m_invalidRect.right(), m_invalidRect.bottom() ); p.end(); painter.setClipRect ( 0, topLineYOffset, width(), height()-topLineYOffset ); painter.drawPixmap( m_invalidRect.x(), m_invalidRect.y(), pixmap ); m_oldFirstLine = m_firstLine; m_oldFirstColumn = m_firstColumn; m_invalidRect = QRect(0,0,0,0); selection.oldLastLine = -1; if ( selection.oldFirstLine !=-1 ) selection.oldFirstLine = -1; if( !bOldSelectionContainsData && selection.bSelectionContainsData ) emit newSelection(); } QCString DiffTextWindow::getString( int line ) { const Diff3Line* d3l = (*m_pDiff3LineVector)[line]; DiffList* pFineDiff1; DiffList* pFineDiff2; int changed=0; int changed2=0; int lineIdx; getLineInfo( *d3l, lineIdx, pFineDiff1, pFineDiff2, changed, changed2 ); if (lineIdx==-1) return QCString(); else { LineData* ld = &m_pLineData[lineIdx]; return QCString( ld->pLine, ld->size + 1 ); } return QCString(); } void DiffTextWindow::getLineInfo( const Diff3Line& d, int& lineIdx, DiffList*& pFineDiff1, DiffList*& pFineDiff2, // return values int& changed, int& changed2 ) { changed=0; changed2=0; bool bAEqB = d.bAEqB || ( d.bWhiteLineA && d.bWhiteLineB ); bool bAEqC = d.bAEqC || ( d.bWhiteLineA && d.bWhiteLineC ); bool bBEqC = d.bBEqC || ( d.bWhiteLineB && d.bWhiteLineC ); if ( m_winIdx == 1 ) { lineIdx=d.lineA; pFineDiff1=d.pFineAB; pFineDiff2=d.pFineCA; changed |= ((d.lineB==-1)!=(lineIdx==-1) ? 1 : 0) + ((d.lineC==-1)!=(lineIdx==-1) && m_bTriple ? 2 : 0); changed2 |= ( bAEqB ? 0 : 1 ) + (bAEqC || !m_bTriple ? 0 : 2); } else if ( m_winIdx == 2 ) { lineIdx=d.lineB; pFineDiff1=d.pFineBC; pFineDiff2=d.pFineAB; changed |= ((d.lineC==-1)!=(lineIdx==-1) && m_bTriple ? 1 : 0) + ((d.lineA==-1)!=(lineIdx==-1) ? 2 : 0); changed2 |= ( bBEqC || !m_bTriple ? 0 : 1 ) + (bAEqB ? 0 : 2); } else if ( m_winIdx == 3 ) { lineIdx=d.lineC; pFineDiff1=d.pFineCA; pFineDiff2=d.pFineBC; changed |= ((d.lineA==-1)!=(lineIdx==-1) ? 1 : 0) + ((d.lineB==-1)!=(lineIdx==-1) ? 2 : 0); changed2 |= ( bAEqC ? 0 : 1 ) + (bBEqC ? 0 : 2); } else assert(false); } void DiffTextWindow::resizeEvent( QResizeEvent* e ) { QSize s = e->size(); QFontMetrics fm = fontMetrics(); int visibleLines = s.height()/fm.height()-2; int visibleColumns = s.width()/fm.width('W')-leftInfoWidth; emit resizeSignal( visibleColumns, visibleLines ); QWidget::resizeEvent(e); } int DiffTextWindow::getNofVisibleLines() { QFontMetrics fm = fontMetrics(); int fmh = fm.height(); int h = height(); return h/fmh -2;//height()/fm.height()-2; } int DiffTextWindow::getNofVisibleColumns() { QFontMetrics fm = fontMetrics(); return width()/fm.width('W')-leftInfoWidth; } QString DiffTextWindow::getSelection() { QString selectionString; int line=0; int lineIdx=0; int it; for( it=0; it<(int)m_pDiff3LineVector->size(); ++it ) { const Diff3Line* d = (*m_pDiff3LineVector)[it]; if ( m_winIdx == 1 ) { lineIdx=d->lineA; } else if ( m_winIdx == 2 ) { lineIdx=d->lineB; } else if ( m_winIdx == 3 ) { lineIdx=d->lineC; } else assert(false); if( lineIdx != -1 ) { const char* pLine = m_pLineData[lineIdx].pLine; int size = m_pLineData[lineIdx].size; // Consider tabs int outPos = 0; for( int i=0; i<size; ++i ) { int spaces = 1; if ( pLine[i]=='\t' ) { spaces = tabber( outPos, g_tabSize ); } if( selection.within( line, outPos ) ) { selectionString += pLine[i]; } outPos += spaces; } if( selection.within( line, outPos ) ) { #ifdef _WIN32 selectionString += '\r'; #endif selectionString += '\n'; } } ++line; } return selectionString; } bool DiffTextWindow::findString( const QCString& s, int& d3vLine, int& posInLine, bool bDirDown, bool bCaseSensitive ) { int it = d3vLine; int endIt = bDirDown ? (int)m_pDiff3LineVector->size() : -1; int step = bDirDown ? 1 : -1; int startPos = posInLine; for( ; it!=endIt; it+=step ) { QCString line = getString( it ); if ( !line.isEmpty() ) { int pos = line.find( s, startPos, bCaseSensitive ); if ( pos != -1 ) { d3vLine = it; posInLine = pos; return true; } startPos = 0; } } return false; } void DiffTextWindow::setSelection( int firstLine, int startPos, int lastLine, int endPos ) { selection.reset(); selection.start( firstLine, convertToPosOnScreen( getString(firstLine), startPos ) ); selection.end( lastLine, convertToPosOnScreen( getString(lastLine), endPos ) ); update(); } #include <qtextcodec.h> QString decodeString( const char*s , OptionDialog* pOptions ) { if ( pOptions->m_bStringEncoding ) { QTextCodec* c = QTextCodec::codecForLocale(); if (c!=0) return c->toUnicode( s ); else return QString(s); } else return QString(s); }