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
@@ -1,45 +1,245 @@
 // opie-console includes
 #include "emulation_widget.h"
 #include "common.h"
 #include "widget_layer.h"
 #include "profile.h"
 
 // qt includes
 #include <qwidget.h>
 #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
 // ////////////////////
 
 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
@@ -2,24 +2,25 @@
 #include "widget_layer.h"
 #include "profile.h"
 #include "common.h"
 
 // qt includes
 #include <qwidget.h>
 #include <qpainter.h>
 #include <qstring.h>
 #include <qarray.h>
 #include <qrect.h>
 
 
+
 /**
  * EmulationWidget
  * simple implementation of EmulationLayer
  * (doesn't support scrollbar, history, etc, yet)
  */
 class EmulationWidget : public WidgetLayer
 { Q_OBJECT
 
 public:
 
     /**
      * constructor
@@ -31,50 +32,81 @@ public:
 
     /**
      * 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 ) {};
+    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)
      */
     virtual void setScroll( int cursor, int slines );
 
     /**
      * scrolls (not yet implemented)
      * @param int value, scroll by this value
      */
     virtual void scroll( int value );
 
 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
      * @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;
 };