wrote first incarnation of widget_layer.cpp.

edited widget_layer.h accordingly.

3 files changed, 246 insertions, 19 deletions

diff --git a/noncore/apps/opie-console/opie-console.pro b/noncore/apps/opie-console/opie-console.pro
index 831ca34..5c2d04e 100644
--- a/noncore/apps/opie-console/opie-console.pro
+++ b/noncore/apps/opie-console/opie-console.pro
@@ -23,3 +23,4 @@ HEADERS      = io_layer.h io_serial.h \
                screen.h \
-               keytrans.h
+               keytrans.h \
+               widget_layer.h
 
@@ -42,3 +43,4 @@ SOURCES      = io_layer.cpp io_serial.cpp \
                screen.cpp \
-               keytrans.cpp
+               keytrans.cpp \
+               widget_layer.cpp
    
diff --git a/noncore/apps/opie-console/widget_layer.cpp b/noncore/apps/opie-console/widget_layer.cpp
new file mode 100644
index 0000000..28227e4
--- a/dev/null
+++ b/noncore/apps/opie-console/widget_layer.cpp
@@ -0,0 +1,155 @@
+/* ------------------------------------------------------------------------- */
+/*                                                                           */
+/*  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"
+
+
+#define loc(X,Y) ((Y)*m_columns+(X))
+
+
+WidgetLayer::WidgetLayer( QObject *parent, const char *name  ) : QObject( 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;
+        
+        m_image = QArray<Character>();
+}
+
+WidgetLayer::~WidgetLayer()
+{
+        // clean up!
+}
+
+/* --------------------------------- audio ---------------------------------- */
+
+void WidgetLayer::bell()
+{
+        QApplication::beep();
+}
+
+
+/* --------------------------------- screen --------------------------------- */
+
+
+void WidgetLayer::propagateSize()
+{
+        QArray<Character> oldimage = m_image;
+        int oldlines = m_lines;
+        int oldcolumns = m_columns;
+        
+        makeImage();
+        
+        // copy old image, to reduce flicker
+        if ( oldimage )
+        {
+                //FIXME: is it possible to do this with QArray.dublicate()?
+                
+                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 ) );
+                }
+                //free( oldimage );
+        }
+        else
+                clearImage();
+        
+        m_resizing = true;
+        emit imageSizeChanged( m_lines, m_columns );
+        m_resizing = false;
+}
+
+void WidgetLayer::makeImage()
+{
+        calcGeometry();
+        m_image = QArray<Character>();
+        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() ) );
+}
diff --git a/noncore/apps/opie-console/widget_layer.h b/noncore/apps/opie-console/widget_layer.h
index cf2a1e5..3cdd6aa 100644
--- a/noncore/apps/opie-console/widget_layer.h
+++ b/noncore/apps/opie-console/widget_layer.h
@@ -1,2 +1,2 @@
-
+/* -------------------------------------------------------------------------- */
 /*                                                                            */
@@ -12,7 +12,21 @@
 
+#ifndef WIDGET_LAYER_H
+#define WIDGET_LAYER_H
+
+// qt includes
+#include <qapplication.h>
+#include <qtimer.h>
+#include <qkeycode.h>
+#include <qclipboard.h>
+
+
+// opie-console includes
+#include "session.h"
+#include "common.h"
 
 class WidgetLayer : public QObject
-{ QObject
+{ Q_OBJECT
 
 public:
+
         /**
@@ -20,3 +34,3 @@ public:
          */
-        WidgetLayer();
+        WidgetLayer( QObject *parent=0, const char *name=0 );
 
@@ -27,2 +41,3 @@ public:
 
+public:
         /**
@@ -45,13 +60,17 @@ public:
          */
-                int columns(){ return m_columns }
+                int columns(){ return m_columns; }
 
         /**
-         * copy selection into clipboard, etc
+         * insert current selection (currently this is only the clipboard)
          */
-        void emitSelection();
+        void insertSelection();
 
         /**
+         * insert text
+         */
+        void insertText( QString text );
+        /**
          * set selection (clipboard) to text
          */
-        void setSelection( QString &text )
+        void setSelection( const QString &text );
 
@@ -68,3 +87,3 @@ signals:
          */
-        keyPressed( QKeyEvent *e );
+        void keyPressed( QKeyEvent *e );
 
@@ -76,3 +95,3 @@ signals:
          */
-        mousePressed( int button, int x, int y );
+        void mousePressed( int button, int x, int y );
 
@@ -81,3 +100,3 @@ signals:
          */
-        imageSizeChanged( int lines, int columns );
+        void imageSizeChanged( int lines, int columns );
 
@@ -86,3 +105,3 @@ signals:
          */
-        historyCursorChanged( int value );
+        void historyCursorChanged( int value );
 
@@ -96,3 +115,3 @@ signals:
          */
-        void selectionBegin( const int x, const int y )
+        void selectionBegin( const int x, const int y );
 
@@ -100,3 +119,3 @@ signals:
          * selection extended
-         *  (from begin s.a. to x, y)
+         *  (from begin (s.a.) to x, y)
          */
@@ -110,3 +129,31 @@ signals:
 
-slots:
+
+
+// protected methods
+protected:
+        
+        // image operations
+
+        /**
+         * changes image, to suit new size
+         * TODO: find meaningful name!
+         */
+        void propagateSize();
+
+        /**
+         *
+         */
+        virtual void calcGeometry();
+
+        /**
+         * makes an empty image
+         */
+        void makeImage();
+
+        /**
+         * clears the image
+         */
+        void clearImage();
+        
+protected slots:
         
@@ -115,3 +162,4 @@ slots:
          */
-        onClearSelection();
+        void onClearSelection();
+
 
@@ -123,8 +171,30 @@ protected:
          */
-        Session m_session;
+        Session *m_session;
+
+        /**
+         * current character image
+         */
+        QArray<Character> m_image;
 
         /**
-         * other misc vars
+         * lines count
          */
+        int m_lines;
 
+        /**
+         * columns count
+         */
+        int m_columns;
+
+        /**
+         * clipboard
+         */
+        QClipboard* m_clipboard;
+
+        /**
+         * whether widget was resized 
+         */
+        bool m_resizing;
 };
+
+#endif // WIDGET_LAYER_H