joachim99@8: /***************************************************************************
joachim99@8:                           difftextwindow.cpp  -  description
joachim99@8:                              -------------------
joachim99@8:     begin                : Mon Apr 8 2002
joachim99@58:     copyright            : (C) 2002-2004 by Joachim Eibl
joachim99@8:     email                : joachim.eibl@gmx.de
joachim99@8:  ***************************************************************************/
joachim99@8: 
joachim99@8: /***************************************************************************
joachim99@8:  *                                                                         *
joachim99@8:  *   This program is free software; you can redistribute it and/or modify  *
joachim99@8:  *   it under the terms of the GNU General Public License as published by  *
joachim99@8:  *   the Free Software Foundation; either version 2 of the License, or     *
joachim99@8:  *   (at your option) any later version.                                   *
joachim99@8:  *                                                                         *
joachim99@8:  ***************************************************************************/
joachim99@8: 
joachim99@8: #include <iostream>
joachim99@8: #include "diff.h"
joachim99@8: #include "merger.h"
joachim99@8: #include <qpainter.h>
joachim99@8: #include <assert.h>
joachim99@8: #include <qpixmap.h>
joachim99@8: #include <qstatusbar.h>
joachim99@8: #include <qapplication.h>
joachim99@8: #include <qtooltip.h>
joachim99@8: #include <qfont.h>
joachim99@8: #include <optiondialog.h>
joachim99@8: #include <math.h>
joachim99@8: #include <qdragobject.h>
joachim99@51: #include <klocale.h>
joachim99@8: 
joachim99@53: #undef leftInfoWidth
joachim99@8: #define leftInfoWidth (4+m_lineNumberWidth)   // Nr of information columns on left side
joachim99@8: 
joachim99@8: 
joachim99@8: DiffTextWindow::DiffTextWindow(
joachim99@8:    QWidget* pParent,
joachim99@8:    QStatusBar* pStatusBar,
joachim99@8:    OptionDialog* pOptionDialog
joachim99@8:    )
joachim99@8: : QWidget(pParent, 0, WRepaintNoErase)
joachim99@8: {
joachim99@8:    setFocusPolicy( QWidget::ClickFocus );
joachim99@8:    setAcceptDrops( true );
joachim99@8: 
joachim99@8:    m_pOptionDialog = pOptionDialog;
joachim99@8:    init( 0, 0, 0, 0, 0, false );
joachim99@8: 
joachim99@8:    setBackgroundMode( PaletteBase );
joachim99@8:    setMinimumSize(QSize(20,20));
joachim99@8: 
joachim99@8:    m_pStatusBar = pStatusBar;
joachim99@8:    m_bPaintingAllowed = true;
joachim99@27: 
joachim99@27:    setFont(m_pOptionDialog->m_font);
joachim99@8: }
joachim99@8: 
joachim99@8: 
joachim99@8: void DiffTextWindow::init(
joachim99@8:    const QString& filename,
joachim99@58:    const LineData* pLineData,
joachim99@8:    int size,
joachim99@8:    const Diff3LineVector* pDiff3LineVector,
joachim99@8:    int winIdx,
joachim99@8:    bool bTriple
joachim99@8:    )
joachim99@8: {
joachim99@8:    m_filename = filename;
joachim99@8:    m_pLineData = pLineData;
joachim99@8:    m_size = size;
joachim99@8:    m_pDiff3LineVector = pDiff3LineVector;
joachim99@8:    m_winIdx = winIdx;
joachim99@8: 
joachim99@8:    m_firstLine = 0;
joachim99@8:    m_oldFirstLine = -1;
joachim99@8:    m_firstColumn = 0;
joachim99@8:    m_oldFirstColumn = -1;
joachim99@8:    m_bTriple = bTriple;
joachim99@8:    m_scrollDeltaX=0;
joachim99@8:    m_scrollDeltaY=0;
joachim99@8:    m_bMyUpdate = false;
joachim99@8:    m_fastSelectorLine1 = 0;
joachim99@8:    m_fastSelectorNofLines = 0;
joachim99@8:    m_lineNumberWidth = 0;
joachim99@8:    selection.reset();
joachim99@8:    selection.oldFirstLine = -1; // reset is not enough here.
joachim99@8:    selection.oldLastLine = -1;
joachim99@8:    selection.lastLine = -1;
joachim99@8: 
joachim99@8:    QToolTip::remove(this);
joachim99@8:    QToolTip::add( this, QRect( 0,0, 1024, fontMetrics().height() ), m_filename );
joachim99@8:    update();
joachim99@8: }
joachim99@8: 
joachim99@8: void DiffTextWindow::setPaintingAllowed( bool bAllowPainting )
joachim99@8: {
joachim99@8:    if (m_bPaintingAllowed != bAllowPainting)
joachim99@8:    {
joachim99@8:       m_bPaintingAllowed = bAllowPainting;
joachim99@8:       if ( m_bPaintingAllowed ) update();
joachim99@8:    }
joachim99@8: }
joachim99@8: 
joachim99@8: void DiffTextWindow::dragEnterEvent( QDragEnterEvent* e )
joachim99@8: {
joachim99@8:    e->accept( QUriDrag::canDecode(e) || QTextDrag::canDecode(e) );
joachim99@8:    // Note that the corresponding drop is handled in KDiff3App::eventFilter().
joachim99@8: }
joachim99@8: 
joachim99@8: void DiffTextWindow::setFirstLine(int firstLine)
joachim99@8: {
joachim99@8:    m_firstLine = max2(0,firstLine);
joachim99@8:    myUpdate(0); // Immediately
joachim99@8: }
joachim99@8: 
joachim99@8: void DiffTextWindow::setFirstColumn(int firstCol)
joachim99@8: {
joachim99@8:    m_firstColumn = max2(0,firstCol);
joachim99@8:    myUpdate(0); // Immediately
joachim99@8: }
joachim99@8: 
joachim99@8: int DiffTextWindow::getNofColumns()
joachim99@8: {
joachim99@8:    int nofColumns = 0;
joachim99@8:    for( int i = 0; i< m_size; ++i )
joachim99@8:    {
joachim99@8:       if ( m_pLineData[i].width() > nofColumns )
joachim99@8:          nofColumns = m_pLineData[i].width();
joachim99@8:    }
joachim99@8:    return nofColumns;
joachim99@8: }
joachim99@8: 
joachim99@8: int DiffTextWindow::getNofLines()
joachim99@8: {
joachim99@8:    return m_pDiff3LineVector->size();
joachim99@8: }
joachim99@8: 
joachim99@8: /** Returns a line number where the linerange [line, line+nofLines] can
joachim99@8:     be displayed best. If it fits into the currently visible range then
joachim99@8:     the returned value is the current firstLine.
joachim99@8: */
joachim99@8: int getBestFirstLine( int line, int nofLines, int firstLine, int visibleLines )
joachim99@8: {
joachim99@8:    int newFirstLine = firstLine;
joachim99@8:    if ( line < firstLine  ||  line + nofLines + 2 > firstLine + visibleLines )
joachim99@8:    {
joachim99@8:       if ( nofLines > visibleLines || nofLines <= ( 2*visibleLines / 3 - 1)  )
joachim99@8:          newFirstLine = line - visibleLines/3;
joachim99@8:       else
joachim99@8:          newFirstLine = line - (visibleLines - nofLines);
joachim99@8:    }
joachim99@8: 
joachim99@8:    return newFirstLine;
joachim99@8: }
joachim99@8: 
joachim99@8: 
joachim99@8: void DiffTextWindow::setFastSelectorRange( int line1, int nofLines )
joachim99@8: {
joachim99@8:    m_fastSelectorLine1 = line1;
joachim99@8:    m_fastSelectorNofLines = nofLines;
joachim99@8: 
joachim99@8:    if ( isVisible() )
joachim99@8:    {
joachim99@8:       int newFirstLine = getBestFirstLine( line1, nofLines, m_firstLine, getNofVisibleLines() );
joachim99@8:       if ( newFirstLine != m_firstLine )
joachim99@8:       {
joachim99@8:          scroll( 0, newFirstLine - m_firstLine );
joachim99@8:       }
joachim99@8: 
joachim99@8:       update();
joachim99@8:    }
joachim99@8: }
joachim99@8: 
joachim99@8: 
joachim99@8: static void showStatusLine(int line, int winIdx, const QString& filename, const Diff3LineVector& d3lv, QStatusBar* sb)
joachim99@8: {
joachim99@8:    int l=0;
joachim99@8:    const Diff3Line* pD3l = d3lv[line];
joachim99@8:    if(line >= 0 && line<(int)d3lv.size() && pD3l != 0 )
joachim99@8:    {
joachim99@8:       if      ( winIdx==1 ) l = pD3l->lineA;
joachim99@8:       else if ( winIdx==2 ) l = pD3l->lineB;
joachim99@8:       else if ( winIdx==3 ) l = pD3l->lineC;
joachim99@8:       else assert(false);
joachim99@8: 
joachim99@8:       QString s;
joachim99@8:       if ( l!=-1 )
joachim99@8:          s.sprintf("File %s: Line %d", filename.ascii(), l+1 );
joachim99@8:       else
joachim99@8:          s.sprintf("File %s: Line not available", filename.ascii() );
joachim99@8:       if (sb!=0) sb->message(s);
joachim99@8:    }
joachim99@8: }
joachim99@8: 
joachim99@8: 
joachim99@8: void DiffTextWindow::mousePressEvent ( QMouseEvent* e )
joachim99@8: {
joachim99@8:    if ( e->button() == LeftButton )
joachim99@8:    {
joachim99@8:       int line;
joachim99@8:       int pos;
joachim99@8:       convertToLinePos( e->x(), e->y(), line, pos );
joachim99@8:       if ( pos < m_firstColumn )
joachim99@8:       {
joachim99@8:          emit setFastSelectorLine( line );
joachim99@8:          selection.firstLine = -1;     // Disable current selection
joachim99@8:       }
joachim99@8:       else
joachim99@8:       {  // Selection
joachim99@8:          resetSelection();
joachim99@8:          selection.start( line, pos );
joachim99@8:          selection.end( line, pos );
joachim99@8: 
joachim99@8:          showStatusLine( line, m_winIdx, m_filename, *m_pDiff3LineVector, m_pStatusBar );
joachim99@8:       }
joachim99@8:    }
joachim99@8: }
joachim99@8: 
joachim99@8: bool isCTokenChar( char c )
joachim99@8: {
joachim99@8:    return (c=='_')  ||
joachim99@8:           ( c>='A' && c<='Z' ) || ( c>='a' && c<='z' ) ||
joachim99@8:           (c>='0' && c<='9');
joachim99@8: }
joachim99@8: 
joachim99@8: /// Calculate where a token starts and ends, given the x-position on screen.
joachim99@8: void calcTokenPos( const char* p, int size, int posOnScreen, int& pos1, int& pos2 )
joachim99@8: {
joachim99@8:    // Cursor conversions that consider g_tabSize
joachim99@8:    int pos = convertToPosInText( p, size, max2( 0, posOnScreen ) );
joachim99@8:    if ( pos>=size )
joachim99@8:    {
joachim99@8:       pos1=size;
joachim99@8:       pos2=size;
joachim99@8:       return;
joachim99@8:    }
joachim99@8: 
joachim99@8:    pos1 = pos;
joachim99@8:    pos2 = pos+1;
joachim99@8: 
joachim99@8:    if( isCTokenChar( p[pos1] ) )
joachim99@8:    {
joachim99@8:       while( pos1>=0 && isCTokenChar( p[pos1] ) )
joachim99@8:          --pos1;
joachim99@8:       ++pos1;
joachim99@8: 
joachim99@8:       while( pos2<size && isCTokenChar( p[pos2] ) )
joachim99@8:          ++pos2;
joachim99@8:    }
joachim99@8: }
joachim99@8: 
joachim99@8: void DiffTextWindow::mouseDoubleClickEvent( QMouseEvent* e )
joachim99@8: {
joachim99@8:    if ( e->button() == LeftButton )
joachim99@8:    {
joachim99@8:       int line;
joachim99@8:       int pos;
joachim99@8:       convertToLinePos( e->x(), e->y(), line, pos );
joachim99@8: 
joachim99@8:       // Get the string data of the current line
joachim99@8:       QCString s = getString( line );
joachim99@8: 
joachim99@8:       if ( ! s.isEmpty() )
joachim99@8:       {
joachim99@8:          int pos1, pos2;
joachim99@8:          calcTokenPos( s, s.length(), pos, pos1, pos2 );
joachim99@8: 
joachim99@8:          resetSelection();
joachim99@8:          selection.start( line, convertToPosOnScreen( s, pos1 ) );
joachim99@8:          selection.end( line, convertToPosOnScreen( s, pos2 ) );
joachim99@8:          update();
joachim99@8:          // emit selectionEnd() happens in the mouseReleaseEvent.
joachim99@8:          showStatusLine( line, m_winIdx, m_filename, *m_pDiff3LineVector, m_pStatusBar );
joachim99@8:       }
joachim99@8:    }
joachim99@8: }
joachim99@8: 
joachim99@8: void DiffTextWindow::mouseReleaseEvent ( QMouseEvent * /*e*/ )
joachim99@8: {
joachim99@8:    //if ( e->button() == LeftButton )
joachim99@8:    {
joachim99@8:       killTimers();
joachim99@8:       if (selection.firstLine != -1 )
joachim99@8:       {
joachim99@8:          emit selectionEnd();
joachim99@8:       }
joachim99@8:    }
joachim99@8:    m_scrollDeltaX=0;
joachim99@8:    m_scrollDeltaY=0;
joachim99@8: }
joachim99@8: 
joachim99@8: void DiffTextWindow::mouseMoveEvent ( QMouseEvent * e )
joachim99@8: {
joachim99@8:    int line;
joachim99@8:    int pos;
joachim99@8:    convertToLinePos( e->x(), e->y(), line, pos );
joachim99@8:    if (selection.firstLine != -1 )
joachim99@8:    {
joachim99@8:       selection.end( line, pos );
joachim99@8:       myUpdate(0);
joachim99@8: 
joachim99@8:       showStatusLine( line, m_winIdx, m_filename, *m_pDiff3LineVector, m_pStatusBar );
joachim99@8: 
joachim99@8:       // Scroll because mouse moved out of the window
joachim99@8:       const QFontMetrics& fm = fontMetrics();
joachim99@8:       int fontHeight = fm.height();
joachim99@8:       int fontWidth = fm.width('W');
joachim99@8:       int topLineYOffset = fontHeight + 3;
joachim99@8:       int deltaX=0;
joachim99@8:       int deltaY=0;
joachim99@8:       if ( e->x() < leftInfoWidth*fontWidth )       deltaX=-1;
joachim99@8:       if ( e->x() > width()     )       deltaX=+1;
joachim99@8:       if ( e->y() < topLineYOffset )    deltaY=-1;
joachim99@8:       if ( e->y() > height() )          deltaY=+1;
joachim99@8:       m_scrollDeltaX = deltaX;
joachim99@8:       m_scrollDeltaY = deltaY;
joachim99@8:       if ( deltaX != 0 || deltaY!= 0)
joachim99@8:       {
joachim99@8:          emit scroll( deltaX, deltaY );
joachim99@8:       }
joachim99@8:    }
joachim99@8: }
joachim99@8: 
joachim99@8: 
joachim99@8: void DiffTextWindow::myUpdate(int afterMilliSecs)
joachim99@8: {
joachim99@8:    killTimers();
joachim99@8:    m_bMyUpdate = true;
joachim99@8:    startTimer( afterMilliSecs );
joachim99@8: }
joachim99@8: 
joachim99@8: void DiffTextWindow::timerEvent(QTimerEvent*)
joachim99@8: {
joachim99@8:    killTimers();
joachim99@8: 
joachim99@8:    if ( m_bMyUpdate )
joachim99@8:    {
joachim99@8:       paintEvent( 0 );
joachim99@8:       m_bMyUpdate = false;
joachim99@8:    }
joachim99@8: 
joachim99@8:    if ( m_scrollDeltaX != 0 || m_scrollDeltaY != 0 )
joachim99@8:    {
joachim99@8:       selection.end( selection.lastLine + m_scrollDeltaY, selection.lastPos +  m_scrollDeltaX );
joachim99@8:       emit scroll( m_scrollDeltaX, m_scrollDeltaY );
joachim99@8:       killTimers();
joachim99@8:       startTimer(50);
joachim99@8:    }
joachim99@8: }
joachim99@8: 
joachim99@8: void DiffTextWindow::resetSelection()
joachim99@8: {
joachim99@8:    selection.reset();
joachim99@8:    update();
joachim99@8: }
joachim99@8: 
joachim99@8: void DiffTextWindow::convertToLinePos( int x, int y, int& line, int& pos )
joachim99@8: {
joachim99@8:    const QFontMetrics& fm = fontMetrics();
joachim99@8:    int fontHeight = fm.height();
joachim99@8:    int fontWidth = fm.width('W');
joachim99@8:    int xOffset = (leftInfoWidth-m_firstColumn)*fontWidth;
joachim99@8: 
joachim99@8:    int topLineYOffset = fontHeight + 3;
joachim99@8: 
joachim99@8:    int yOffset = topLineYOffset - m_firstLine * fontHeight;
joachim99@8: 
joachim99@8:    line = ( y - yOffset ) / fontHeight;
joachim99@8:    pos  = ( x - xOffset ) / fontWidth;
joachim99@8: }
joachim99@8: 
joachim99@8: int Selection::firstPosInLine(int l)
joachim99@8: {
joachim99@8:    assert( firstLine != -1 );
joachim99@8: 
joachim99@8:    int l1 = firstLine;
joachim99@8:    int l2 = lastLine;
joachim99@8:    int p1 = firstPos;
joachim99@8:    int p2 = lastPos;
joachim99@8:    if ( l1>l2 ){ std::swap(l1,l2); std::swap(p1,p2); }
joachim99@8:    if ( l1==l2 && p1>p2 ){ std::swap(p1,p2); }
joachim99@8: 
joachim99@8:    if ( l==l1 )
joachim99@8:       return p1;
joachim99@8:    return 0;
joachim99@8: }
joachim99@8: 
joachim99@8: int Selection::lastPosInLine(int l)
joachim99@8: {
joachim99@8:    assert( firstLine != -1 );
joachim99@8: 
joachim99@8:    int l1 = firstLine;
joachim99@8:    int l2 = lastLine;
joachim99@8:    int p1 = firstPos;
joachim99@8:    int p2 = lastPos;
joachim99@8: 
joachim99@8:    if ( l1>l2 ){ std::swap(l1,l2); std::swap(p1,p2); }
joachim99@8:    if ( l1==l2 && p1>p2 ){ std::swap(p1,p2); }
joachim99@8: 
joachim99@8:    if ( l==l2 )
joachim99@8:       return p2;
joachim99@8:    return INT_MAX;
joachim99@8: }
joachim99@8: 
joachim99@8: bool Selection::within( int l, int p )
joachim99@8: {
joachim99@8:    if ( firstLine == -1 ) return false;
joachim99@8:    int l1 = firstLine;
joachim99@8:    int l2 = lastLine;
joachim99@8:    int p1 = firstPos;
joachim99@8:    int p2 = lastPos;
joachim99@8:    if ( l1>l2 ){ std::swap(l1,l2); std::swap(p1,p2); }
joachim99@8:    if ( l1==l2 && p1>p2 ){ std::swap(p1,p2); }
joachim99@8:    if( l1 <= l && l <= l2 )
joachim99@8:    {
joachim99@8:       if ( l1==l2 )
joachim99@8:          return p>=p1 && p<p2;
joachim99@8:       if ( l==l1 )
joachim99@8:          return p>=p1;
joachim99@8:       if ( l==l2 )
joachim99@8:          return p<p2;
joachim99@8:       return true;
joachim99@8:    }
joachim99@8:    return false;
joachim99@8: }
joachim99@8: 
joachim99@8: bool Selection::lineWithin( int l )
joachim99@8: {
joachim99@8:    if ( firstLine == -1 ) return false;
joachim99@8:    int l1 = firstLine;
joachim99@8:    int l2 = lastLine;
joachim99@8: 
joachim99@8:    if ( l1>l2 ){ std::swap(l1,l2); }
joachim99@8: 
joachim99@8:    return ( l1 <= l && l <= l2 );
joachim99@8: }
joachim99@8: 
joachim99@8: void DiffTextWindow::writeLine(
joachim99@8:    QPainter& p,
joachim99@8:    const LineData* pld,
joachim99@8:    const DiffList* pLineDiff1,
joachim99@8:    const DiffList* pLineDiff2,
joachim99@8:    int line,
joachim99@8:    int whatChanged,
joachim99@8:    int whatChanged2,
joachim99@8:    int srcLineNr
joachim99@8:    )
joachim99@8: {
joachim99@8:    QFont normalFont = font();
joachim99@8:    QFont diffFont = normalFont;
joachim99@8:    diffFont.setItalic( m_pOptionDialog->m_bItalicForDeltas );
joachim99@8:    const QFontMetrics& fm = fontMetrics();
joachim99@8:    int fontHeight = fm.height();
joachim99@8:    int fontAscent = fm.ascent();
joachim99@8:    int fontDescent = fm.descent();
joachim99@8:    int fontWidth = fm.width('W');
joachim99@8:    int topLineYOffset = fontHeight + 3;
joachim99@8: 
joachim99@8:    int xOffset = (leftInfoWidth - m_firstColumn)*fontWidth;
joachim99@8:    int yOffset = (line-m_firstLine) * fontHeight + topLineYOffset;
joachim99@8: 
joachim99@8:    QRect lineRect( 0, yOffset, width(), fontHeight );
joachim99@8:    if ( ! m_invalidRect.intersects( lineRect ) )
joachim99@8:       return;
joachim99@8: 
joachim99@8:    int fastSelectorLine2 = m_fastSelectorLine1+m_fastSelectorNofLines - 1;
joachim99@8:    bool bFastSelectionRange = (line>=m_fastSelectorLine1 && line<= fastSelectorLine2 );
joachim99@8:    QColor bgColor = m_pOptionDialog->m_bgColor;
joachim99@8:    QColor diffBgColor = m_pOptionDialog->m_diffBgColor;
joachim99@8: 
joachim99@8:    if ( bFastSelectionRange )
joachim99@8:    {
joachim99@8:       bgColor = m_pOptionDialog->m_currentRangeBgColor;
joachim99@8:       diffBgColor = m_pOptionDialog->m_currentRangeDiffBgColor;
joachim99@8:    }
joachim99@8: 
joachim99@8: //   QRect winRect = rect(); //p.window();
joachim99@8:    if ( yOffset+fontHeight<0  ||  height() + fontHeight < yOffset )
joachim99@8:       return;
joachim99@8: 
joachim99@8:    int changed = whatChanged;
joachim99@8:    if ( pLineDiff1 != 0 ) changed |= 1;
joachim99@8:    if ( pLineDiff2 != 0 ) changed |= 2;
joachim99@8: 
joachim99@8:    QColor c = m_pOptionDialog->m_fgColor;
joachim99@8:    if ( changed == 2 ) {
joachim99@8:       c = m_cDiff2;
joachim99@8:    } else if ( changed == 1 ) {
joachim99@8:       c = m_cDiff1;
joachim99@8:    } else if ( changed == 3 ) {
joachim99@8:       c = m_cDiffBoth;
joachim99@8:    }
joachim99@8: 
joachim99@8:    p.fillRect( leftInfoWidth*fontWidth, yOffset, width(), fontHeight, bgColor );
joachim99@51: 
joachim99@8:    if (pld!=0)
joachim99@8:    {
joachim99@8:       // First calculate the "changed" information for each character.
joachim99@8:       int i=0;
joachim99@8:       std::vector<UINT8> charChanged( pld->size );
joachim99@8:       if ( pLineDiff1!=0 || pLineDiff2 != 0 )
joachim99@8:       {
joachim99@8:          Merger merger( pLineDiff1, pLineDiff2 );
joachim99@8:          while( ! merger.isEndReached() &&  i<pld->size )
joachim99@8:          {
joachim99@8:             if ( i < pld->size )
joachim99@8:             {
joachim99@8:                charChanged[i] = merger.whatChanged();
joachim99@8:                ++i;
joachim99@8:             }
joachim99@8:             merger.next();
joachim99@8:          }
joachim99@8:       }
joachim99@8: 
joachim99@8:       QCString s=" ";
joachim99@8:       // Convert tabs
joachim99@8:       int outPos = 0;
joachim99@8:       for( i=0; i<pld->size; ++i )
joachim99@8:       {
joachim99@8:          int spaces = 1;
joachim99@8: 
joachim99@8:          if ( pld->pLine[i]=='\t' )
joachim99@8:          {
joachim99@8:             spaces = tabber( outPos, g_tabSize );
joachim99@8:             s[0] = ' ';
joachim99@8:          }
joachim99@8:          else
joachim99@8:          {
joachim99@8:             s[0] = pld->pLine[i];
joachim99@8:          }
joachim99@8: 
joachim99@8:          QColor c = m_pOptionDialog->m_fgColor;
joachim99@8:          int cchanged = charChanged[i] | whatChanged;
joachim99@8: 
joachim99@8:          if ( cchanged == 2 ) {
joachim99@8:             c = m_cDiff2;
joachim99@8:          } else if ( cchanged == 1 ) {
joachim99@8:             c = m_cDiff1;
joachim99@8:          } else if ( cchanged == 3 ) {
joachim99@8:             c = m_cDiffBoth;
joachim99@8:          }
joachim99@8: 
joachim99@51:          if ( c!=m_pOptionDialog->m_fgColor && whatChanged2==0 && !m_pOptionDialog->m_bShowWhiteSpace )
joachim99@51:          {
joachim99@51:             // The user doesn't want to see highlighted white space.
joachim99@51:             c = m_pOptionDialog->m_fgColor;
joachim99@51:          }
joachim99@51: 
joachim99@8:          QRect outRect( xOffset + fontWidth*outPos, yOffset, fontWidth*spaces, fontHeight );
joachim99@8:          if ( m_invalidRect.intersects( outRect ) )
joachim99@8:          {
joachim99@8:             if( !selection.within( line, outPos ) )
joachim99@8:             {
joachim99@51: 
joachim99@8:                if( c!=m_pOptionDialog->m_fgColor )
joachim99@8:                {
joachim99@8:                   QColor lightc = diffBgColor;
joachim99@8:                   p.fillRect( xOffset + fontWidth*outPos, yOffset,
joachim99@8:                            fontWidth*spaces, fontHeight, lightc );
joachim99@8:                   p.setFont(diffFont);
joachim99@8:                }
joachim99@8: 
joachim99@8:                p.setPen( c );
joachim99@8:                if ( s[0]==' '  &&  c!=m_pOptionDialog->m_fgColor  &&  charChanged[i]!=0 )
joachim99@8:                {
joachim99@51:                   if ( m_pOptionDialog->m_bShowWhiteSpaceCharacters && m_pOptionDialog->m_bShowWhiteSpace)
joachim99@8:                   {
joachim99@8:                      p.fillRect( xOffset + fontWidth*outPos, yOffset+fontAscent,
joachim99@8:                                  fontWidth*spaces-1, fontDescent+1, c );
joachim99@8:                   }
joachim99@8:                }
joachim99@8:                else
joachim99@8:                {
joachim99@51:                   p.drawText( xOffset + fontWidth*outPos, yOffset + fontAscent, decodeString(s,m_pOptionDialog) );
joachim99@8:                }
joachim99@8:                p.setFont(normalFont);
joachim99@8:             }
joachim99@8:             else
joachim99@8:             {
joachim99@8: 
joachim99@8:                p.fillRect( xOffset + fontWidth*outPos, yOffset,
joachim99@8:                            fontWidth*(spaces), fontHeight, colorGroup().highlight() );
joachim99@8: 
joachim99@8:                p.setPen( colorGroup().highlightedText() );
joachim99@51:                p.drawText( xOffset + fontWidth*outPos, yOffset + fontAscent, decodeString(s,m_pOptionDialog) );
joachim99@8: 
joachim99@8:                selection.bSelectionContainsData = true;
joachim99@8:             }
joachim99@8:          }
joachim99@8: 
joachim99@8:          outPos += spaces;
joachim99@8:       }
joachim99@8: 
joachim99@8:       if( selection.lineWithin( line ) && selection.lineWithin( line+1 ) )
joachim99@8:       {
joachim99@8:          p.fillRect( xOffset + fontWidth*outPos, yOffset,
joachim99@8:                      width(), fontHeight, colorGroup().highlight() );
joachim99@8:       }
joachim99@8:    }
joachim99@8: 
joachim99@8:    p.fillRect( 0, yOffset, leftInfoWidth*fontWidth, fontHeight, m_pOptionDialog->m_bgColor );
joachim99@8: 
joachim99@8:    xOffset = (m_lineNumberWidth+2)*fontWidth;
joachim99@8:    int xLeft =   m_lineNumberWidth*fontWidth;
joachim99@8:    p.setPen( m_pOptionDialog->m_fgColor );
joachim99@8:    if ( pld!=0 )
joachim99@8:    {
joachim99@8:       if ( m_pOptionDialog->m_bShowLineNumbers )
joachim99@8:       {
joachim99@8:          QString num;
joachim99@8:          num.sprintf( "%0*d", m_lineNumberWidth, srcLineNr);
joachim99@8:          p.drawText( 0, yOffset + fontAscent, num );
joachim99@8:          //p.drawLine( xLeft -1, yOffset, xLeft -1, yOffset+fontHeight-1 );
joachim99@8:       }
joachim99@8:       p.drawLine( xOffset +1, yOffset, xOffset +1, yOffset+fontHeight-1 );
joachim99@8:    }
joachim99@8:    if ( c!=m_pOptionDialog->m_fgColor && whatChanged2==0 )//&& whatChanged==0 )
joachim99@8:    {
joachim99@51:       if ( m_pOptionDialog->m_bShowWhiteSpace )
joachim99@51:       {
joachim99@51:          p.setBrushOrigin(0,0);
joachim99@51:          p.fillRect( xLeft, yOffset, fontWidth*2-1, fontHeight, QBrush(c,Dense5Pattern) );
joachim99@51:       }
joachim99@8:    }
joachim99@8:    else
joachim99@8:    {
joachim99@8:       p.fillRect( xLeft, yOffset, fontWidth*2-1, fontHeight, c==m_pOptionDialog->m_fgColor ? bgColor : c );
joachim99@8:    }
joachim99@8: 
joachim99@8:    if ( bFastSelectionRange )
joachim99@8:    {
joachim99@8:       p.fillRect( xOffset + fontWidth-1, yOffset, 3, fontHeight, m_pOptionDialog->m_fgColor );
joachim99@8: /*      p.drawLine( xOffset + fontWidth-1, yOffset, xOffset + fontWidth-1, yOffset+fontHeight-1 );
joachim99@8:       if ( line == m_fastSelectorLine1 )
joachim99@8:       {
joachim99@8:          p.drawLine( xOffset + fontWidth-1, yOffset, xOffset + fontWidth+2, yOffset );
joachim99@8:       }
joachim99@8:       if ( line == fastSelectorLine2 )
joachim99@8:       {
joachim99@8:          p.drawLine( xOffset + fontWidth-1, yOffset+fontHeight-1, xOffset + fontWidth+2, yOffset+fontHeight-1 );
joachim99@8:       }*/
joachim99@8:    }
joachim99@8: }
joachim99@8: 
joachim99@8: void DiffTextWindow::paintEvent( QPaintEvent* e )
joachim99@8: {
joachim99@8:    if ( m_pDiff3LineVector==0 || ! m_bPaintingAllowed ) return;
joachim99@8: 
joachim99@8:    m_lineNumberWidth =  m_pOptionDialog->m_bShowLineNumbers ? (int)log10((double)m_size)+1 : 0;
joachim99@8: 
joachim99@8:    if (e!=0)
joachim99@8:    {
joachim99@8:       m_invalidRect |= e->rect();
joachim99@8:    }
joachim99@8: 
joachim99@8:    if ( m_winIdx==1 )
joachim99@8:    {
joachim99@8:       m_cThis = m_pOptionDialog->m_colorA;
joachim99@8:       m_cDiff1 = m_pOptionDialog->m_colorB;
joachim99@8:       m_cDiff2 = m_pOptionDialog->m_colorC;
joachim99@8:    }
joachim99@8:    if ( m_winIdx==2 )
joachim99@8:    {
joachim99@8:       m_cThis = m_pOptionDialog->m_colorB;
joachim99@8:       m_cDiff1 = m_pOptionDialog->m_colorC;
joachim99@8:       m_cDiff2 = m_pOptionDialog->m_colorA;
joachim99@8:    }
joachim99@8:    if ( m_winIdx==3 )
joachim99@8:    {
joachim99@8:       m_cThis = m_pOptionDialog->m_colorC;
joachim99@8:       m_cDiff1 = m_pOptionDialog->m_colorA;
joachim99@8:       m_cDiff2 = m_pOptionDialog->m_colorB;
joachim99@8:    }
joachim99@8:    m_cDiffBoth = m_pOptionDialog->m_colorForConflict;  // Conflict color
joachim99@8: 
joachim99@8:    bool bOldSelectionContainsData = selection.bSelectionContainsData;
joachim99@8:    selection.bSelectionContainsData = false;
joachim99@8: 
joachim99@8:    int fontHeight = fontMetrics().height();
joachim99@8:    int fontAscent = fontMetrics().ascent();
joachim99@8: //   int fontDescent = fontMetrics().descent();
joachim99@8:    int fontWidth = fontMetrics().width('W');
joachim99@8: 
joachim99@8:    int topLineYOffset = fontHeight + 3;
joachim99@8:    int xOffset = leftInfoWidth * fontWidth;
joachim99@8: 
joachim99@8:    int firstLineToDraw = 0;
joachim99@8:    int lastLineToDraw = (height() - topLineYOffset ) / fontHeight;
joachim99@8:    if ( abs(m_oldFirstLine - m_firstLine)>=lastLineToDraw )
joachim99@8:    {
joachim99@8:       m_oldFirstLine = -1;
joachim99@8:       m_invalidRect |= QRect( 0, topLineYOffset, width(), height() );
joachim99@8:    }
joachim99@8: 
joachim99@8:    if ( m_oldFirstLine != -1 && m_oldFirstLine != m_firstLine )
joachim99@8:    {
joachim99@8:       int deltaY = fontHeight * ( m_oldFirstLine - m_firstLine );
joachim99@8:       if ( deltaY > 0 )
joachim99@8:       {  // Move down
joachim99@8:          bitBlt( this, 0, deltaY + topLineYOffset /*dy*/, this, 0, topLineYOffset /*sy*/, width(), height()- (deltaY + topLineYOffset), CopyROP, true);
joachim99@8:          lastLineToDraw = firstLineToDraw + ( m_oldFirstLine - m_firstLine);
joachim99@8:          m_invalidRect |= QRect( 0, topLineYOffset, width(), deltaY );
joachim99@8:       }
joachim99@8:       else
joachim99@8:       {  // Move up
joachim99@8:          bitBlt( this, 0, topLineYOffset /*dy*/, this, 0, -deltaY+topLineYOffset /*sy*/, width(), height()-(-deltaY+topLineYOffset), CopyROP, true);
joachim99@8:          firstLineToDraw = lastLineToDraw + ( m_oldFirstLine - m_firstLine);
joachim99@8:          m_invalidRect |= QRect( 0, height()+deltaY, width(), -deltaY );
joachim99@8:       }
joachim99@8:    }
joachim99@8: 
joachim99@8:    if ( m_oldFirstColumn != -1  && m_oldFirstColumn != m_firstColumn )
joachim99@8:    {
joachim99@8:       int deltaX = fontWidth * ( m_oldFirstColumn - m_firstColumn );
joachim99@8:       if ( deltaX > 0 )
joachim99@8:       {  // Move right, scroll left
joachim99@8:          bitBlt( this, deltaX+xOffset, topLineYOffset, this, xOffset, topLineYOffset, width(), height(), CopyROP, true);
joachim99@8:          m_invalidRect |=
joachim99@8:             QRect( xOffset, topLineYOffset, deltaX, height() - topLineYOffset );
joachim99@8:       }
joachim99@8:       else
joachim99@8:       {  // Move left, scroll right
joachim99@8:          bitBlt( this, xOffset, topLineYOffset, this, xOffset-deltaX, topLineYOffset, width()-(xOffset-deltaX), height()-topLineYOffset, CopyROP, true);
joachim99@8:          m_invalidRect |=
joachim99@8:             QRect( width() + deltaX, topLineYOffset, -deltaX, height() - topLineYOffset );
joachim99@8:       }
joachim99@8:    }
joachim99@8: 
joachim99@8:    if ( selection.oldLastLine != -1 )
joachim99@8:    {
joachim99@8:       int lastLine;
joachim99@8:       int firstLine;
joachim99@8:       if ( selection.oldFirstLine != -1 )
joachim99@8:       {
joachim99@8:          firstLine = min3( selection.oldFirstLine, selection.lastLine, selection.oldLastLine );
joachim99@8:          lastLine = max3( selection.oldFirstLine, selection.lastLine, selection.oldLastLine );
joachim99@8:       }
joachim99@8:       else
joachim99@8:       {
joachim99@8:          firstLine = min2( selection.lastLine, selection.oldLastLine );
joachim99@8:          lastLine = max2( selection.lastLine, selection.oldLastLine );
joachim99@8:       }
joachim99@8:       int y1 = topLineYOffset + ( firstLine - m_firstLine  ) * fontHeight;
joachim99@8:       int y2 = min2( height(),
joachim99@8:                      topLineYOffset + ( lastLine  - m_firstLine +1 ) * fontHeight );
joachim99@8: 
joachim99@8:       if ( y1<height() && y2>topLineYOffset )
joachim99@8:       {
joachim99@8:          m_invalidRect |= QRect( 0, y1, width(), y2-y1 );
joachim99@8:       }
joachim99@8:    }
joachim99@8: 
joachim99@8:    if ( m_invalidRect.isEmpty() )
joachim99@8:       return;
joachim99@8: 
joachim99@8:    QPainter painter(this);
joachim99@8:    //QPainter& p=painter;
joachim99@8:    QPixmap pixmap( m_invalidRect.size() );
joachim99@8:    QPainter p( &pixmap );
joachim99@8:    p.translate( -m_invalidRect.x(), -m_invalidRect.y() );
joachim99@8: 
joachim99@8:    p.fillRect( m_invalidRect, m_pOptionDialog->m_bgColor );
joachim99@8: 
joachim99@8:    firstLineToDraw += m_firstLine;
joachim99@8:    lastLineToDraw += m_firstLine;
joachim99@8: 
joachim99@8:    p.setFont( font() );
joachim99@8: 
joachim99@8:    p.setPen( m_cThis );
joachim99@8:    if( m_invalidRect.intersects( QRect(0,0,width(), topLineYOffset ) )
joachim99@8:       || m_firstLine != m_oldFirstLine )
joachim99@8:    {
joachim99@8:       int l=-1;
joachim99@8:       for ( int i = m_firstLine; i<(int)m_pDiff3LineVector->size(); ++i )
joachim99@8:       {
joachim99@8:          const Diff3Line* d3l = (*m_pDiff3LineVector)[i];
joachim99@8:          if      ( m_winIdx==1 ) l=d3l->lineA;
joachim99@8:          else if ( m_winIdx==2 ) l=d3l->lineB;
joachim99@8:          else if ( m_winIdx==3 ) l=d3l->lineC;
joachim99@8:          else assert(false);
joachim99@8:          if (l!=-1) break;
joachim99@8:       }
joachim99@8: 
joachim99@8:       const char* winId = (   m_winIdx==1 ? (m_bTriple?"A (Base)":"A") :
joachim99@8:                             ( m_winIdx==2 ? "B" : "C" ) );
joachim99@8: 
joachim99@51:       QString s = QString(" ")+ winId + " : " + m_filename + " : ";
joachim99@8:       if ( l!=-1 )
joachim99@51:          s += i18n("Topline %1").arg( l+1 );
joachim99@8:       else
joachim99@51:          s += i18n("End");
joachim99@8: 
joachim99@8:       if (hasFocus())
joachim99@8:       {
joachim99@8:          painter.fillRect( 0, 0, width(), topLineYOffset, m_cThis );
joachim99@8:          painter.setPen( m_pOptionDialog->m_bgColor );
joachim99@8:          painter.drawText( 0, fontAscent+1, s );
joachim99@8:       }
joachim99@8:       else
joachim99@8:       {
joachim99@8:          painter.fillRect( 0, 0, width(), topLineYOffset, m_pOptionDialog->m_bgColor );
joachim99@8:          painter.setPen( m_cThis );
joachim99@8:          painter.drawLine( 0, fontHeight + 2, width(), fontHeight + 2 );
joachim99@8:          painter.drawText( 0, fontAscent+1, s );
joachim99@8:       }
joachim99@8:    }
joachim99@8: 
joachim99@8:    int lastVisibleLine = min2( m_firstLine + getNofVisibleLines()+2, (int)m_pDiff3LineVector->size() );
joachim99@8: 
joachim99@8:    for ( int line = m_firstLine; line<lastVisibleLine; ++line )
joachim99@8:    {
joachim99@8:       const Diff3Line* d3l = (*m_pDiff3LineVector)[line];
joachim99@8:       DiffList* pFineDiff1;
joachim99@8:       DiffList* pFineDiff2;
joachim99@8:       int changed=0;
joachim99@8:       int changed2=0;
joachim99@8:       int lineIdx;
joachim99@8: 
joachim99@8:       getLineInfo( *d3l, lineIdx, pFineDiff1, pFineDiff2, changed, changed2 );
joachim99@8: 
joachim99@8:       writeLine(
joachim99@8:          p,                         // QPainter
joachim99@8:          lineIdx == -1 ? 0 : &m_pLineData[lineIdx],     // Text in this line
joachim99@8:          pFineDiff1,
joachim99@8:          pFineDiff2,
joachim99@8:          line,                      // Line on the screen
joachim99@8:          changed,
joachim99@8:          changed2,
joachim99@8:          lineIdx+1
joachim99@8:          );
joachim99@8:    }
joachim99@8:    
joachim99@8:    // p.drawLine( m_invalidRect.x(), m_invalidRect.y(), m_invalidRect.right(), m_invalidRect.bottom() );
joachim99@8:    p.end();
joachim99@8: 
joachim99@8:    painter.setClipRect ( 0, topLineYOffset, width(), height()-topLineYOffset );
joachim99@8: 
joachim99@8:    painter.drawPixmap( m_invalidRect.x(), m_invalidRect.y(), pixmap );
joachim99@8: 
joachim99@8:    m_oldFirstLine = m_firstLine;
joachim99@8:    m_oldFirstColumn = m_firstColumn;
joachim99@8:    m_invalidRect = QRect(0,0,0,0);
joachim99@8:    selection.oldLastLine = -1;
joachim99@8:    if ( selection.oldFirstLine !=-1 )
joachim99@8:       selection.oldFirstLine = -1;
joachim99@8:    if( !bOldSelectionContainsData  &&  selection.bSelectionContainsData )
joachim99@8:       emit newSelection();
joachim99@8: 
joachim99@8: }
joachim99@8: 
joachim99@8: QCString DiffTextWindow::getString( int line )
joachim99@8: {
joachim99@8:    const Diff3Line* d3l = (*m_pDiff3LineVector)[line];
joachim99@8:    DiffList* pFineDiff1;
joachim99@8:    DiffList* pFineDiff2;
joachim99@8:    int changed=0;
joachim99@8:    int changed2=0;
joachim99@8:    int lineIdx;
joachim99@8:    getLineInfo( *d3l, lineIdx, pFineDiff1, pFineDiff2, changed, changed2 );
joachim99@8: 
joachim99@8:    if (lineIdx==-1) return QCString();
joachim99@8:    else
joachim99@8:    {
joachim99@58:       const LineData* ld = &m_pLineData[lineIdx];
joachim99@8:       return QCString( ld->pLine, ld->size + 1 );
joachim99@8:    }
joachim99@8:    return QCString();
joachim99@8: }
joachim99@8: 
joachim99@8: 
joachim99@8: void DiffTextWindow::getLineInfo(
joachim99@8:    const Diff3Line& d,
joachim99@8:    int& lineIdx,
joachim99@8:    DiffList*& pFineDiff1, DiffList*& pFineDiff2,   // return values
joachim99@8:    int& changed, int& changed2
joachim99@8:    )
joachim99@8: {
joachim99@8:    changed=0;
joachim99@8:    changed2=0;
joachim99@8:    bool bAEqB = d.bAEqB || ( d.bWhiteLineA && d.bWhiteLineB );
joachim99@8:    bool bAEqC = d.bAEqC || ( d.bWhiteLineA && d.bWhiteLineC );
joachim99@8:    bool bBEqC = d.bBEqC || ( d.bWhiteLineB && d.bWhiteLineC );
joachim99@8:    if      ( m_winIdx == 1 ) {
joachim99@8:       lineIdx=d.lineA;
joachim99@8:       pFineDiff1=d.pFineAB;
joachim99@8:       pFineDiff2=d.pFineCA;
joachim99@8:       changed |= ((d.lineB==-1)!=(lineIdx==-1) ? 1 : 0) +
joachim99@8:                  ((d.lineC==-1)!=(lineIdx==-1) && m_bTriple ? 2 : 0);
joachim99@8:       changed2 |= ( bAEqB ? 0 : 1 ) + (bAEqC || !m_bTriple ? 0 : 2);
joachim99@8:    }
joachim99@8:    else if ( m_winIdx == 2 ) {
joachim99@8:       lineIdx=d.lineB;
joachim99@8:       pFineDiff1=d.pFineBC;
joachim99@8:       pFineDiff2=d.pFineAB;
joachim99@8:       changed |= ((d.lineC==-1)!=(lineIdx==-1) && m_bTriple ? 1 : 0) +
joachim99@8:                  ((d.lineA==-1)!=(lineIdx==-1) ? 2 : 0);
joachim99@8:       changed2 |= ( bBEqC || !m_bTriple ? 0 : 1 ) + (bAEqB ? 0 : 2);
joachim99@8:    }
joachim99@8:    else if ( m_winIdx == 3 ) {
joachim99@8:       lineIdx=d.lineC;
joachim99@8:       pFineDiff1=d.pFineCA;
joachim99@8:       pFineDiff2=d.pFineBC;
joachim99@8:       changed |= ((d.lineA==-1)!=(lineIdx==-1) ? 1 : 0) +
joachim99@8:                  ((d.lineB==-1)!=(lineIdx==-1) ? 2 : 0);
joachim99@8:       changed2 |= ( bAEqC ? 0 : 1 ) + (bBEqC ? 0 : 2);
joachim99@8:    }
joachim99@8:    else assert(false);
joachim99@8: }
joachim99@8: 
joachim99@8: 
joachim99@8: 
joachim99@8: void DiffTextWindow::resizeEvent( QResizeEvent* e )
joachim99@8: {
joachim99@8:    QSize s = e->size();
joachim99@8:    QFontMetrics fm = fontMetrics();
joachim99@8:    int visibleLines = s.height()/fm.height()-2;
joachim99@8:    int visibleColumns = s.width()/fm.width('W')-leftInfoWidth;
joachim99@8:    emit resizeSignal( visibleColumns, visibleLines );
joachim99@8:    QWidget::resizeEvent(e);
joachim99@8: }
joachim99@8: 
joachim99@8: int DiffTextWindow::getNofVisibleLines()
joachim99@8: {
joachim99@8:    QFontMetrics fm = fontMetrics();
joachim99@8:    int fmh = fm.height();
joachim99@8:    int h = height();
joachim99@8:    return h/fmh -2;//height()/fm.height()-2;
joachim99@8: }
joachim99@8: 
joachim99@8: int DiffTextWindow::getNofVisibleColumns()
joachim99@8: {
joachim99@8:    QFontMetrics fm = fontMetrics();
joachim99@8:    return width()/fm.width('W')-leftInfoWidth;
joachim99@8: }
joachim99@8: 
joachim99@8: QString DiffTextWindow::getSelection()
joachim99@8: {
joachim99@8:    QString selectionString;
joachim99@8: 
joachim99@8:    int line=0;
joachim99@8:    int lineIdx=0;
joachim99@8: 
joachim99@8:    int it;
joachim99@8:    for( it=0; it<(int)m_pDiff3LineVector->size(); ++it )
joachim99@8:    {
joachim99@8:       const Diff3Line* d = (*m_pDiff3LineVector)[it];
joachim99@8:       if      ( m_winIdx == 1 ) {    lineIdx=d->lineA;     }
joachim99@8:       else if ( m_winIdx == 2 ) {    lineIdx=d->lineB;     }
joachim99@8:       else if ( m_winIdx == 3 ) {    lineIdx=d->lineC;     }
joachim99@8:       else assert(false);
joachim99@8: 
joachim99@8:       if( lineIdx != -1 )
joachim99@8:       {
joachim99@8:          const char* pLine = m_pLineData[lineIdx].pLine;
joachim99@8:          int size = m_pLineData[lineIdx].size;
joachim99@8: 
joachim99@8:          // Consider tabs
joachim99@8:          int outPos = 0;
joachim99@8:          for( int i=0; i<size; ++i )
joachim99@8:          {
joachim99@8:             int spaces = 1;
joachim99@8:             if ( pLine[i]=='\t' )
joachim99@8:             {
joachim99@8:                spaces = tabber( outPos, g_tabSize );
joachim99@8:             }
joachim99@8: 
joachim99@8:             if( selection.within( line, outPos ) )
joachim99@8:             {
joachim99@58:                char buf[2];
joachim99@58:                buf[0] = pLine[i];
joachim99@58:                buf[1] = '\0';
joachim99@58:                selectionString += decodeString( buf, m_pOptionDialog );
joachim99@8:             }
joachim99@8: 
joachim99@8:             outPos += spaces;
joachim99@8:          }
joachim99@8: 
joachim99@8:          if( selection.within( line, outPos ) )
joachim99@8:          {
joachim99@8:             #ifdef _WIN32
joachim99@8:             selectionString += '\r';
joachim99@8:             #endif
joachim99@8:             selectionString += '\n';
joachim99@8:          }
joachim99@8:       }
joachim99@8: 
joachim99@8:       ++line;
joachim99@8:    }
joachim99@8: 
joachim99@8:    return selectionString;
joachim99@8: }
joachim99@8: 
joachim99@8: bool DiffTextWindow::findString( const QCString& s, int& d3vLine, int& posInLine, bool bDirDown, bool bCaseSensitive )
joachim99@8: {
joachim99@8:    int it = d3vLine;
joachim99@8:    int endIt = bDirDown ? (int)m_pDiff3LineVector->size() : -1;
joachim99@8:    int step =  bDirDown ? 1 : -1;
joachim99@8:    int startPos = posInLine;
joachim99@8: 
joachim99@8:    for( ; it!=endIt; it+=step )
joachim99@8:    {
joachim99@8:       QCString line = getString( it );
joachim99@8:       if ( !line.isEmpty() )
joachim99@8:       {
joachim99@8:          int pos = line.find( s, startPos, bCaseSensitive );
joachim99@8:          if ( pos != -1 )
joachim99@8:          {
joachim99@8:             d3vLine = it;
joachim99@8:             posInLine = pos;
joachim99@8:             return true;
joachim99@8:          }
joachim99@8: 
joachim99@8:          startPos = 0;         
joachim99@8:       }
joachim99@8:    }
joachim99@8:    return false;
joachim99@8: }
joachim99@8: 
joachim99@8: void DiffTextWindow::setSelection( int firstLine, int startPos, int lastLine, int endPos )
joachim99@8: {
joachim99@8:    selection.reset();
joachim99@8:    selection.start( firstLine, convertToPosOnScreen( getString(firstLine), startPos ) );
joachim99@8:    selection.end( lastLine, convertToPosOnScreen( getString(lastLine), endPos ) );
joachim99@8:    update();
joachim99@8: }
joachim99@51: 
joachim99@51: 
joachim99@51: #include <qtextcodec.h>
joachim99@51: 
joachim99@51: QString decodeString( const char*s , OptionDialog* pOptions )
joachim99@51: {
joachim99@51:    if ( pOptions->m_bStringEncoding )
joachim99@51:    {
joachim99@51:       QTextCodec* c = QTextCodec::codecForLocale();
joachim99@51:       if (c!=0)
joachim99@51:          return c->toUnicode( s );
joachim99@51:       else
joachim99@51:          return QString(s);
joachim99@51:    }
joachim99@51:    else
joachim99@51:       return QString(s);
joachim99@51: }
joachim99@58: 
joachim99@58: QCString encodeString( const QString& s , OptionDialog* pOptions )
joachim99@58: {
joachim99@58:    if ( pOptions->m_bStringEncoding )
joachim99@58:    {
joachim99@58:       QTextCodec* c = QTextCodec::codecForLocale();
joachim99@58:       if (c!=0)
joachim99@58:          return c->fromUnicode( s );
joachim99@58:       else
joachim99@58:          return QCString( s.ascii() );
joachim99@58:    }
joachim99@58:    else
joachim99@58:       return QCString( s.ascii() );
joachim99@58: }