widget should now update properly

2 files changed, 48 insertions, 0 deletions

diff --git a/noncore/apps/opie-console/emulation_widget.cpp b/noncore/apps/opie-console/emulation_widget.cpp
index 40199fa..5a02fac 100644
--- a/noncore/apps/opie-console/emulation_widget.cpp
+++ b/noncore/apps/opie-console/emulation_widget.cpp
@@ -122,96 +122,142 @@ void EmulationWidget::setImage( QArray<Character> const newimg, int lines, int c
                 QArray<QChar> disstrU = QArray<QChar>( cols );
 
         for ( int y = 0; y < lins; ++y )
                 {int len;
                 const Character* lcl = &m_image[y * m_columns];
                 const Character* ext = &newimg[y * m_columns];
                 if ( ! m_resizing )
                 for ( int x = 0; x < cols; ++x )
                 {
                         // disable, till widget works, WITHOUT blinking
                         //hasBlinker |= ( ext[x].r & RE_BLINK );
                         
                         if ( ext[x] != lcl[x] )
                         {
                                 cr = ext[x].r;
                                 cb = ext[x].b;
                                 if ( ext[x].f != cf ) cf = ext[x].f;
                                 int lln = cols - x;
                                 disstrU[0] = vt100extended( ext[x+0].c );
                                 for ( len = 1; len < lln; ++len )
                                 {
                                         if ( ext[x+len].f != cf || ext[x+len].b != cb || ext[x+len].r != cr || ext[x+len] == lcl[x+len] )
                                                 break;
                                         disstrU[len] = vt100extended( ext[x+len].c );
                                 }
                                 QString unistr( disstrU, len );
                                 drawAttrString( unistr, paint, QRect( m_blX+tLx+f_width*x, m_bY+tLy+f_height*y, f_width*len, f_height ), ext[x], pm != NULL, true );
                                 x += len -1;
                         }
                 }
                 // make image become newimg
                 memcpy( (void*) lcl, (const void*) ext, cols*sizeof( Character ) );
         }
         drawFrame( &paint );
         paint.end();
         setUpdatesEnabled( true );
 
         /*if ( hasBlinker && !blinkT->isActive() )
                 blinkT->start(1000); //ms
         if ( ! hasBlinker && blinkT->isActive() )
         {
                 blinkT->stop();
                 blinking = false;
         }*/
 
         delete [] disstrU;
 }
 
+
+void EmulationWidget::paintEvent( QPaintEvent* pe )
+{
+    QPainter painter;
+    const QPixmap* pm = backgroundPixmap();
+    
+    painter.begin( this );
+    painter.setBackgroundMode( TransparentMode );
+
+    QRect rect = pe->rect().intersect( contentsRect() );
+    QPoint tL = contentsRect().topLeft();
+    int tLx = tL.x();
+    int tLy = tL.y();
+    
+    int lux = QMIN(m_columns-1, QMAX(0,(rect.left()   - tLx - m_blX ) / f_width));
+    int luy = QMIN(m_lines-1,   QMAX(0,(rect.top()    - tLy - m_bY  ) / f_height));
+    int rlx = QMIN(m_columns-1, QMAX(0,(rect.right()  - tLx - m_blX ) / f_width));
+    int rly = QMIN(m_lines-1,   QMAX(0,(rect.bottom() - tLy - m_bY  ) / f_height));
+    
+    QChar *disstrU = new QChar[m_columns];
+    for (int y = luy; y <= rly; y++)
+    for (int x = lux; x <= rlx; x++)
+    {
+        int len = 1;
+        disstrU[0] = vt100extended(m_image[loc(x,y)].c);
+        int cf = m_image[loc(x,y)].f;
+        int cb = m_image[loc(x,y)].b;
+        int cr = m_image[loc(x,y)].r;
+        while (x+len <= rlx &&
+               m_image[loc(x+len,y)].f == cf &&
+               m_image[loc(x+len,y)].b == cb &&
+               m_image[loc(x+len,y)].r == cr )
+        {
+            disstrU[len] = vt100extended(m_image[loc(x+len,y)].c);
+            len += 1;
+        }
+        QString unistr(disstrU,len);
+
+        drawAttrString( unistr, painter, QRect( m_blX+tLx+f_width*x,m_bY+tLy+f_height*y,f_width*len,f_height ), m_image[loc(x ,y )], pm != NULL, false );
+        x +=len -1;
+    }
+    delete [] disstrU;
+    drawFrame( &painter );
+    painter.end();
+}
+
 void EmulationWidget::calcGeometry()
 {
         m_scrollbar->resize(QApplication::style().scrollBarExtent().width(), contentsRect().height() );
 
         switch( scrollLoc )
         {
         case SCRNONE :
                 m_columns = ( contentsRect().width() -2 * rimX ) / f_width;
                 m_blX = ( contentsRect().width() - ( m_columns*f_width ) ) / 2;
                 m_brX = m_blX;
                 m_scrollbar->hide();
                 break;
         case SCRLEFT :
                 m_columns = ( contentsRect().width() - 2 * rimX - m_scrollbar->width() ) / f_width;
                 m_brX = ( contentsRect().width() - ( m_columns*f_width ) - m_scrollbar->width() ) / 2;
                 m_blX = m_brX + m_scrollbar->width();
                 m_scrollbar->move( contentsRect().topLeft() );
                 m_scrollbar->show();
                 break;
         case SCRIGHT:
                 m_columns = ( contentsRect().width()  - 2 * rimX - m_scrollbar->width() ) / f_width;
                 m_blX = ( contentsRect().width() - ( m_columns*f_width ) - m_scrollbar->width() ) / 2;
                 m_brX = m_blX;
                 m_scrollbar->move( contentsRect().topRight() - QPoint (m_scrollbar->width()-1,0 ) );
                 m_scrollbar->show();
                 break;
         }
         
         m_lines = ( contentsRect().height() - 2 * rimY ) / f_height;
         m_bY = ( contentsRect().height() - (m_lines * f_height ) ) / 2;
 }
 
 void EmulationWidget::drawAttrString( QString& string, QPainter &painter, QRect rect, Character attr, bool usePixmap, bool clear )    
 {
     if ( usePixmap && color_table[attr.b].transparent )
     {
         painter.setBackgroundMode( TransparentMode );
         if ( clear )
             erase( rect );
     }
     else
     {
         if ( blinking )
             painter.fillRect( rect, color_table[attr.b].color );
         else
         {
             painter.setBackgroundMode( OpaqueMode );
             painter.setBackgroundColor( color_table[attr.b].color );
diff --git a/noncore/apps/opie-console/emulation_widget.h b/noncore/apps/opie-console/emulation_widget.h
index 5e20dc4..d050681 100644
--- a/noncore/apps/opie-console/emulation_widget.h
+++ b/noncore/apps/opie-console/emulation_widget.h
@@ -25,90 +25,92 @@ public:
     /**
      * constructor
      * @param const Profile& config, the configuration
      * @param QWidget* parent, parent widget
      * @param const char* name, the name of the widget
      */
     EmulationWidget( const Profile& config, QWidget *parent=0, const char *name =0 );
 
     /**
      * destructor
      */
     ~EmulationWidget();
 
     /**
      * sets the image
      * @param QArray<Character> const newimg, the new image
      * @param int lines, lines of the new image
      * @param int columns, columns of the new image
      */
     virtual void setImage( QArray<Character> const newimg, int columns, int lines );
 
     /**
      * reloads configuration
      * @param const Profile& config, configuration
      */
     virtual void reloadConfig( const Profile& config );
 
     /**
      * sets the scrollbar (not yet implemented)
      */
     virtual void setScroll( int cursor, int slines );
 
     /**
      * scrolls (not yet implemented)
      * @param int value, scroll by this value
      */
     virtual void scroll( int value );
 
     virtual QSize calcSize( int cols, int lins ) const;
 
 protected:
 
     /**
      * calculates current image bounds
      */
     virtual void calcGeometry();
 
 
+    void paintEvent( QPaintEvent* event );
+
     /**
      * @param const ColorEntry* table, the new color table
      */
     void setColorTable( const ColorEntry table[] );
 
     /**
      * draws a String
      * @param QString& string, string to be drawn
      * @param QPainter& painter, painter, that should draw
      * @param QRect rect, rect to be drawn into
      * @param Character attr, attributes of Characters
      * @param bool usePixmap, if to use the background pixmap (currently not supported)
      * @param bool clear, if rect should be cleared
      */
     void drawAttrString( QString& string, QPainter& painter, QRect rect, Character attr, bool pm, bool clear );
 
 protected:
         
     enum ScrollLocation
       {
         SCRNONE,
         SCRLEFT,
         SCRIGHT
       };
 
         int f_height;
         int f_width;
         int f_ascent;
         int m_blX;
         int m_blY;
         int m_brX;
         
         int m_bY;
         int m_bX;
         QScrollBar* m_scrollbar;
 
         ScrollLocation scrollLoc;
 
         ColorEntry* color_table;
 
         bool blinking;
 };