added sizeHint method, hopefully (dont really think so) fixes size problem

VS: ----------------------------------------------------------------------

4 files changed, 21 insertions, 1 deletions

diff --git a/noncore/apps/opie-console/emulation_widget.cpp b/noncore/apps/opie-console/emulation_widget.cpp
index e11c5e4..40199fa 100644
--- a/noncore/apps/opie-console/emulation_widget.cpp
+++ b/noncore/apps/opie-console/emulation_widget.cpp
@@ -1,248 +1,255 @@
 // 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 );
 
         // give reasonable defaults to m_columns, m_lines
         calcGeometry();
         
         // 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;
 }
 
 
+QSize EmulationWidget::calcSize( int cols, int lins ) const
+{
+    int frw = width() - contentsRect().width();
+    int frh = height() - contentsRect().height();
+    int scw = (scrollLoc == SCRNONE? 0 : m_scrollbar->width() );
+    return QSize( f_width * cols + 2 * rimX + frw + scw, f_height * lins + 2 * rimY + frh );
+}
 
 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 );
 
         for ( int y = 0; y < lins; ++y )
                 {int len;
                 const Character* lcl = &m_image[y * m_columns];
-                const Character* ext = &newimg[y * 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::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 e185534..5e20dc4 100644
--- a/noncore/apps/opie-console/emulation_widget.h
+++ b/noncore/apps/opie-console/emulation_widget.h
@@ -1,112 +1,114 @@
 // opie console includes
 #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
      * @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();
 
 
     /**
      * @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;
 };
diff --git a/noncore/apps/opie-console/widget_layer.cpp b/noncore/apps/opie-console/widget_layer.cpp
index e4b0ede..ac84f8b 100644
--- a/noncore/apps/opie-console/widget_layer.cpp
+++ b/noncore/apps/opie-console/widget_layer.cpp
@@ -1,243 +1,249 @@
 /* ------------------------------------------------------------------------- */
 /*                                                                           */
 /*  widget_layer.cpp          Widget Layer                                   */
 /*                                                                           */
 /*              opie developers <opie@handhelds.org>                         */
 /*                                                                           */
 /* ------------------------------------------------------------------------- */
 
 
 
 #include "widget_layer.h"
 
 #include <qclipboard.h>
 #include <qregexp.h>
 #include <qglobal.h>
 
 #include <string.h>
 //#include <
 
 #include "common.h"
 
 
 
 WidgetLayer::WidgetLayer( const Profile &config, QWidget *parent, const char *name  ) : QFrame( parent, name )
 {
         // get the clipboard
         m_clipboard = QApplication::clipboard();
         
         // when data on clipboard changes, clear selection
         QObject::connect( (QObject*) m_clipboard, SIGNAL( dataChanged() ),
                         (QObject*)this, SLOT( onClearSelection() ) );
 
         // initialize vars:
         m_lines = 1;
         m_columns = 1;
         m_resizing = false;
         
         // just for demonstrating
         //m_image = QArray<Character>( m_lines * m_columns ); 
         m_image = QArray<Character>( 1 );
         
         // we need to install an event filter,
         // to emit keypresses.
         qApp->installEventFilter( this );
 
 }
 
 
 WidgetLayer::~WidgetLayer()
 {
         // clean up
         delete m_image;
 }
 
 
+QSize WidgetLayer::sizeHint()
+{
+    return size();
+}
+
+
 /* --------------------------------- audio ---------------------------------- */
 
 void WidgetLayer::bell()
 {
         QApplication::beep();
 }
 
 bool WidgetLayer::eventFilter( QObject *obj, QEvent *e )
 {
     if ( (e->type() == QEvent::Accel ||
           e->type() == QEvent::AccelAvailable ) && qApp->focusWidget() == this )  {
         static_cast<QKeyEvent *>( e )->ignore();
         return true;
     }
     if ( obj != this /* when embedded */ && obj != parent() /* when standalone */ )
         return false; // not us
 
 #ifdef FAKE_CTRL_AND_ALT
     static bool control = false;
     static bool alt = false;
 //    qDebug(" Has a keyboard with no CTRL and ALT keys, but we fake it:");
     bool dele = false;
     if ( e->type() == QEvent::KeyPress || e->type() == QEvent::KeyRelease ) {
         QKeyEvent* ke = (QKeyEvent*)e;
         bool keydown = e->type() == QEvent::KeyPress || ke->isAutoRepeat();
         switch (ke->key()) {
           case Key_F9: // let this be "Control"
               control = keydown;
               e = new QKeyEvent(QEvent::KeyPress, Key_Control, 0, ke->state());
               dele=TRUE;
               break;
           case Key_F13: // let this be "Alt"
               alt = keydown;
               e = new QKeyEvent(QEvent::KeyPress, Key_Alt, 0, ke->state());
               dele=TRUE;
               break;
           default:
               if ( control ) {
                   int a = toupper(ke->ascii())-64;
                   if ( a >= 0 && a < ' ' ) {
                       e = new QKeyEvent(e->type(), ke->key(),
                                         a, ke->state()|ControlButton,
 QChar(a,0));
                       dele=TRUE;
                   }
               }
               if ( alt ) {
                   e = new QKeyEvent(e->type(), ke->key(),
                                     ke->ascii(), ke->state()|AltButton, ke->text());
                   dele=TRUE;
               }
         }
     }
 #endif
 
     if ( e->type() == QEvent::KeyPress )  {
         QKeyEvent* ke = (QKeyEvent*)e;
         //actSel=0; // Key stroke implies a screen update, so Widget won't
           // know where the current selection is.
 
 //     qDebug("key pressed is 0x%x",ke->key());
 
         if( ke->state() == ShiftButton && ke->key() == Key_Tab) { //lets hardcode this sucker
             insertText("\\"); // expose
         } else
             emit keyPressed( ke ); // expose
         ke->accept();
 #ifdef FAKE_CTRL_AND_ALT
         if ( dele ) delete e;
 #endif
         return true;               // stop the event
     }
     return QFrame::eventFilter( obj, e );
 }
 
 
 /* --------------------------------- screen --------------------------------- */
 
 
 void WidgetLayer::propagateSize()
 {
         QArray<Character> oldimage = m_image.copy();
         int oldlines = m_lines;
         int oldcolumns = m_columns;
         
         makeImage();
         
         // copy old image, to reduce flicker
         if ( ! oldimage.isEmpty() )
         {
                 int lins = QMIN( oldlines, m_lines );
                 int cols = QMIN( oldcolumns, m_columns );
                 for ( int lin = 0; lin < lins; ++lin )
                 {
                         memcpy( (void*) &m_image[m_columns*lin],
                                 (void*) &oldimage[oldcolumns*lin],
                                 cols*sizeof( Character ) );
                 }
         }
         else
                 clearImage();
         
         delete oldimage;
 
         m_resizing = true;
         emit imageSizeChanged( m_lines, m_columns );
         m_resizing = false;
 }
 
 void WidgetLayer::makeImage()
 {
         calcGeometry();
         m_image = QArray<Character>( m_columns * m_lines );
         clearImage();
 }
 
 void WidgetLayer::clearImage()
 {
         //should this belong here??
         for ( int y = 0; y < m_lines; y++ )
         for ( int x = 0; x < m_columns; x++ )
         {
                 m_image[loc(x,y)].c = 0xff; 
                 m_image[loc(x,y)].f = 0xff;
                 m_image[loc(x,y)].b = 0xff;
                 m_image[loc(x,y)].r = 0xff;
         }
 }
 
 /* --------------------------------- selection ------------------------------ */
 
 void WidgetLayer::pasteClipboard()
 {
         insertSelection();
 }
 
 
 void WidgetLayer::insertSelection()
 {
         QString text = QApplication::clipboard()->text();
         if ( ! text.isNull() )
         {
                 text.replace( QRegExp( "\n" ), "\r" );
                 insertText( text );
                 // selection should be unselected
                 emit selectionCleared();
         }
 }
 
 void WidgetLayer::insertText( QString text )
 {
         // text is inserted as key event
         QKeyEvent e( QEvent::KeyPress, 0, -1, 0, text);
         emit keyPressed( &e );
 }
 
 void WidgetLayer::onClearSelection()
 {
         emit selectionCleared();
 }
 
 void WidgetLayer::setSelection( const QString& text )
 {
         // why get the clipboard, we have it as instance var...
         QObject *m_clipboard = QApplication::clipboard();
 
         // we know, that cliboard changes, when we change clipboard
         QObject::disconnect( (QObject*) m_clipboard, SIGNAL( dataChanged() ),
                         (QObject*) this, SLOT( selectionCleared() ) );
         
         QApplication::clipboard()->setText( text );
 
         QObject::connect( (QObject*) m_clipboard, SIGNAL( dataChanged() ),
                         (QObject*) this, SLOT( selectionCleared() ) );
 }
 
 
 /////////
 // special font characters
 /////////
 unsigned short vt100_graphics[32] =
 { // 0/8     1/9    2/10    3/11    4/12    5/13    6/14    7/15
   0x0020, 0x25C6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0,
   0x00b1, 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c,
   0xF800, 0xF801, 0x2500, 0xF803, 0xF804, 0x251c, 0x2524, 0x2534,
   0x252c, 0x2502, 0x2264, 0x2265, 0x03C0, 0x2260, 0x00A3, 0x00b7
 };
 
diff --git a/noncore/apps/opie-console/widget_layer.h b/noncore/apps/opie-console/widget_layer.h
index 0c290f3..6812711 100644
--- a/noncore/apps/opie-console/widget_layer.h
+++ b/noncore/apps/opie-console/widget_layer.h
@@ -1,260 +1,265 @@
 /* -------------------------------------------------------------------------- */
 /*                                                                            */
 /* [widget_layer.h]         Widget Layer                                      */
 /*                                                                            */
 /* -------------------------------------------------------------------------- */
 
 // proposal of a widget Layer in opie-console
 //
 // fellow devels:
 //   just mail me (ibotty@web.de), what you additionally need from the main widget
 //   (or say in chat)
 
 #ifndef WIDGET_LAYER_H
 #define WIDGET_LAYER_H
 
 // qt includes
 #include <qapplication.h>
 #include <qframe.h>
 #include <qarray.h>
 #include <qtimer.h>
 #include <qkeycode.h>
 #include <qclipboard.h>
 
 
 // opie-console includes
 #include "session.h"
 #include "common.h"
 #include "profile.h"
 
 
 /*
  * given a pseudo location ( column, line ),
  * returns the actual index, in the QArray<Character>
  */
 #define loc(X,Y) ((Y)*m_columns+(X))
 
 
 
 extern unsigned short vt100_graphics[32];
 
 class WidgetLayer : public QFrame
 { Q_OBJECT
 
 public:
 
         /**
          * constructor
          * @param const Profile &config, the configuration for this widget
          * @param QWidget *parent, the parent widget
          * @param const char *name, the name of the widget, defaults to ""
          */
         WidgetLayer( const Profile& config, QWidget *parent=0, const char *name=0 );
 
         /**
          * destructor
          */
         virtual ~WidgetLayer();
 
 public:
         /**
          * sets the image
          * @param QArray<Character> const newimg, the new image
          * @param int lines, lines count of newimg
          * @param int columns, columns count of newimg
          */
         virtual void setImage( QArray<Character> const newimg, int lines, int colums ) = 0;
 
         /**
          * annoy the user
          */
         void bell();
 
         /**
          * @return int m_lines, the lines count
          */
                 int lines(){ return m_lines; }
 
         /**
          * @return int m_columns, the columns count
          */
                 int columns(){ return m_columns; }
 
         /**
          * insert current selection (currently this is only the clipboard)
          */
         void insertSelection();
 
         /**
          * insert text
          * @param QString text, the text to be inserted
          */
         void insertText( QString text );
 
         /**
          * set selection (clipboard) to text
          * @param const QString &text, the text to be selected
          */
         void setSelection( const QString &text );
 
         /**
          * paste content of clipboard
          */
         void pasteClipboard();
 
 
         /**
          * reload configuration
          * @param const Profile& config, the config to be used (may be the same as in constructor)
          */
         virtual void reloadConfig( const Profile& config ) = 0;
 
 
         /**
          * sets the scrollbar (if implemented by successor of this class)
          */
         virtual void setScroll( int cursor, int slines ) = 0;
 
         /**
          * scrolls (if implemented, by successor of this class)
          * @param int value, how much the widget should scroll up (positive value) or down (negative value)
          */
         virtual void scroll( int value ) = 0;
 
 
         virtual bool eventFilter( QObject *obj, QEvent *event );
+
+
+        QSize sizeHint();
+
+        virtual QSize calcSize( int cols, int lins ) const = 0;
 signals:
 
         /**
          * key was pressed
          */
         void keyPressed( QKeyEvent *e );
 
         /**
          * whenever Mouse selects something
          * @param int button, the button that us pressed :
                  *              0left Button
                  *              3Button released
          * @param int x, x position
          * @param int y, y position
          *
          * // numbering due to layout in old TEWidget
          */
         void mousePressed( int button, int x, int y );
 
         /**
          * size of image changed
          * @param int lines, line count of new size
          * @param int columns, column count of new size
          */
         void imageSizeChanged( int lines, int columns );
 
         /**
          * cursor in history changed
          * @param int value, value of history cursor
          */
         void historyCursorChanged( int value );
 
         /**
          * selection should be cleared
          */
         void selectionCleared();
 
         /**
          * selection begin
          * @param const int x, x position
          * @param const int y, y position
          */
         void selectionBegin( const int x, const int y );
 
         /**
          * selection extended
          *  (from begin (s.a.) to x, y)
          *  @param const int x, x position
          *  @param const int y, y position
          */
         void selectionExtended( const int x, const int y );
 
         /**
          * selection end
          * @param const bool lineBreakPreserve, preserve line breaks in selection
          */
         void selectionEnd( const bool lineBreakPreserve );
 
 
 
 // protected methods
 protected:
 
         // image operations
 
         /**
          * changes image, to suit new size
          * TODO: find meaningful name!
          */
         void propagateSize();
 
         /**
          *determines count of lines and columns
          */
         virtual void calcGeometry() = 0;
 
         /**
          * makes an empty image
          */
         void makeImage();
 
         /**
          * clears the image
          */
         void clearImage();
 
 protected slots:
 
         /**
          * clear selection
          */
         void onClearSelection();
 
 
 // protected vars
 protected:
 
         /**
          * current Session
          */
         Session *m_session;
 
         /**
          * current character image
          *
          * a Character at loc( column, line )
          * has the actual index:
          *  ix = line * m_columns + column;
          *
          * use loc( x, y ) macro to access.
          */
         QArray<Character> m_image;
 
         /**
          * lines count
          */
         int m_lines;
 
         /**
          * columns count
          */
         int m_columns;
 
         /**
          * clipboard
          */
         QClipboard* m_clipboard;
 
         /**
          * whether widget is resizing
          */
         bool m_resizing;
 };
 
 #endif // WIDGET_LAYER_H