does not work... but committed to get things started

2 files changed, 81 insertions, 0 deletions

diff --git a/noncore/apps/opie-console/widget_layer.cpp b/noncore/apps/opie-console/widget_layer.cpp
index c00871f..3875a6e 100644
--- a/noncore/apps/opie-console/widget_layer.cpp
+++ b/noncore/apps/opie-console/widget_layer.cpp
@@ -1,170 +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 );
 
 }
 
 
 WidgetLayer::~WidgetLayer()
 {
         // clean up
         delete m_image;
 }
 
 /* --------------------------------- 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
+    if ( e->type() == QEvent::Wheel)  {
+        QApplication::sendEvent( m_scrollbar, e);
+    }
+
+#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
+    }
+    if ( e->type() == QEvent::Enter )  {
+        QObject::disconnect( (QObject*)cb, SIGNAL(dataChanged()),
+                             this, SLOT(onClearSelection()) );
+    }
+    if ( e->type() == QEvent::Leave )  {
+        QObject::connect( (QObject*)cb, SIGNAL(dataChanged()),
+                          this, SLOT(onClearSelection()) );
+    }
+    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 067f3da..1d96bf4 100644
--- a/noncore/apps/opie-console/widget_layer.h
+++ b/noncore/apps/opie-console/widget_layer.h
@@ -1,258 +1,260 @@
 /* -------------------------------------------------------------------------- */
 /*                                                                            */
 /* [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 );
 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