wrote first incarnation of widget_layer.cpp.

edited widget_layer.h accordingly.

1 files changed, 155 insertions, 0 deletions

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() ) );
+}