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/* ------------------------------------------------------------------------- */
/* */
/* 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( 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();
}
/* --------------------------------- 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() ) );
}
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