added functionality to emulation_widget

2 files changed, 239 insertions, 7 deletions

diff --git a/noncore/apps/opie-console/emulation_widget.cpp b/noncore/apps/opie-console/emulation_widget.cpp
index a45db8c..5c3b2d2 100644
--- a/noncore/apps/opie-console/emulation_widget.cpp
+++ b/noncore/apps/opie-console/emulation_widget.cpp
@@ -9,30 +9,214 @@
 #include <qarray.h>
 #include <qstring.h>
 #include <qpainter.h>
 #include <qrect.h>
+#include <qscrollbar.h>
 
+#define rimX 0 // left/right rim width
+#define rimY 0 // top/bottom rim high
+
+#define SCRWIDTH 16 // width of scrollbar
 
 EmulationWidget::EmulationWidget( const Profile& config, QWidget *parent, const char* name ) : WidgetLayer( config, parent, name )
 {
 
+	// initialize font attributes 
+	QFontMetrics fm( font() );
+	f_height = fm.height();
+	f_width = fm.maxWidth();
+	f_ascent = fm.ascent();
+	
+	// initialize scrollbar related vars
+	m_scrollbar = new QScrollBar( this );
+	m_scrollbar->setCursor( arrowCursor );
+
+	// load config
+	reloadConfig( config );
+	
+	m_resizing = false;
+}
+
+void EmulationWidget::reloadConfig( const Profile& config )
+{
+  
+  // nothing yet
 }
 
 EmulationWidget::~EmulationWidget()
 {
+  //clean up
 }
 
+static QChar vt100extended(QChar c)
+{
+  switch (c.unicode())
+  {
+    case 0x25c6 : return  1;
+    case 0x2592 : return  2;
+    case 0x2409 : return  3;
+    case 0x240c : return  4;
+    case 0x240d : return  5;
+    case 0x240a : return  6;
+    case 0x00b0 : return  7;
+    case 0x00b1 : return  8;
+    case 0x2424 : return  9;
+    case 0x240b : return 10;
+    case 0x2518 : return 11;
+    case 0x2510 : return 12;
+    case 0x250c : return 13;
+    case 0x2514 : return 14;
+    case 0x253c : return 15;
+    case 0xf800 : return 16;
+    case 0xf801 : return 17;
+    case 0x2500 : return 18;
+    case 0xf803 : return 19;
+    case 0xf804 : return 20;
+    case 0x251c : return 21;
+    case 0x2524 : return 22;
+    case 0x2534 : return 23;
+    case 0x252c : return 24;
+    case 0x2502 : return 25;
+    case 0x2264 : return 26;
+    case 0x2265 : return 27;
+    case 0x03c0 : return 28;
+    case 0x2260 : return 29;
+    case 0x00a3 : return 30;
+    case 0x00b7 : return 31;
+  }
+  return c;
+}
 
-void setImage( QArray<Character> const newimg, int lines, int columns )
+
+
+void EmulationWidget::setImage( QArray<Character> const newimg, int lines, int columns )
 {
-} 
+	const QPixmap* pm = backgroundPixmap();
+	QPainter paint;
+
+	// dont allow updates, while drawing
+	setUpdatesEnabled( false );
+
+	paint.begin( this );
+	
+	QPoint tL = contentsRect().topLeft();
+	int tLx = tL.x();
+	int tLy = tL.y();
+//	hasBlinker = false;
+
+	int cf = -1;
+	int cb = -1;
+	int cr = -1;
+
+	int lins = QMIN( m_lines, QMAX( 0, lines ) );
+	int cols = QMIN( m_columns, QMAX( 0, columns ) );
+	QArray<QChar> disstrU = QArray<QChar>( cols );	
 
-void drawAttrString( QString& string, QPainter &paint, QRect rect, Character attr, bool usePixmap, bool clear )
+	for ( int y = 0; y < lins; ++y )
+	{	int len;
+		const Character* lcl = &m_image[y * m_columns];
+		const Character* ext = &newimg[y * 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::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 );
+	}
+    }
+    if ( color_table[attr.f].bold )
+	painter.setPen( QColor( 0x8F, 0x00, 0x00 ) );
+    else
+	painter.setPen( color_table[attr.f].color );
+    painter.drawText( rect.x(), rect.y() + f_ascent, string );
 
 }
-    
+
+
 ///////////////////////
 // scrollbar
 // ////////////////////
 
@@ -42,4 +226,20 @@ void EmulationWidget::scroll( int value )
 
 void EmulationWidget::setScroll( int cursor, int slines )
 {
 }
+
+
+static const ColorEntry color_table[TABLE_COLORS] =
+{
+    ColorEntry(QColor(0x00,0x00,0x00), 0, 0 ), ColorEntry( QColor(0xB2,0xB2,0xB2), 1, 0 ), // Dfore, Dback
+  ColorEntry(QColor(0x00,0x00,0x00), 0, 0 ), ColorEntry( QColor(0xB2,0x18,0x18), 0, 0 ), // Black, Red
+  ColorEntry(QColor(0x18,0xB2,0x18), 0, 0 ), ColorEntry( QColor(0xB2,0x68,0x18), 0, 0 ), // Green, Yellow
+  ColorEntry(QColor(0x18,0x18,0xB2), 0, 0 ), ColorEntry( QColor(0xB2,0x18,0xB2), 0, 0 ), // Blue,  Magenta
+  ColorEntry(QColor(0x18,0xB2,0xB2), 0, 0 ), ColorEntry( QColor(0xB2,0xB2,0xB2), 0, 0 ), // Cyan,  White
+  // intensiv
+  ColorEntry(QColor(0x00,0x00,0x00), 0, 1 ), ColorEntry( QColor(0xFF,0xFF,0xFF), 1, 0 ),
+  ColorEntry(QColor(0x68,0x68,0x68), 0, 0 ), ColorEntry( QColor(0xFF,0x54,0x54), 0, 0 ),
+  ColorEntry(QColor(0x54,0xFF,0x54), 0, 0 ), ColorEntry( QColor(0xFF,0xFF,0x54), 0, 0 ),
+  ColorEntry(QColor(0x54,0x54,0xFF), 0, 0 ), ColorEntry( QColor(0xB2,0x18,0xB2), 0, 0 ),
+  ColorEntry(QColor(0x54,0xFF,0xFF), 0, 0 ), ColorEntry( QColor(0xFF,0xFF,0xFF), 0, 0 )
+};
diff --git a/noncore/apps/opie-console/emulation_widget.h b/noncore/apps/opie-console/emulation_widget.h
index 56ea15f..e185534 100644
--- a/noncore/apps/opie-console/emulation_widget.h
+++ b/noncore/apps/opie-console/emulation_widget.h
@@ -10,8 +10,9 @@
 #include <qarray.h>
 #include <qrect.h>
 
 
+
 /**
  * EmulationWidget
  * simple implementation of EmulationLayer
  * (doesn't support scrollbar, history, etc, yet)
@@ -39,15 +40,15 @@ public:
      * @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 ) {};
+    virtual void setImage( QArray<Character> const newimg, int columns, int lines );
 
     /**
      * reloads configuration
      * @param const Profile& config, configuration
      */
-    virtual void reloadConfig( const Profile& config ) {};
+    virtual void reloadConfig( const Profile& config );
 
     /**
      * sets the scrollbar (not yet implemented)
      */
@@ -63,9 +64,15 @@ protected:
 
     /**
      * calculates current image bounds
      */
-    virtual void calcGeometry() {};
+    virtual void calcGeometry();
+
+
+    /**
+     * @param const ColorEntry* table, the new color table
+     */
+    void setColorTable( const ColorEntry table[] );
 
     /**
      * draws a String
      * @param QString& string, string to be drawn
@@ -76,5 +83,30 @@ protected:
      * @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;
 };