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/*
* Copyright (c) 2003 Lubos Lunak <l.lunak@kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "krandrpassivepopup.h"
#include <kapplication.h>
// this class is just like KPassivePopup, but it keeps track of the widget
// it's supposed to be positioned next to, and adjust its position if that
// widgets moves (needed because after a resolution switch Kicker will
// reposition itself, causing normal KPassivePopup to stay at weird places)
KRandrPassivePopup::KRandrPassivePopup( QWidget *parent, const char *name, WFlags f )
: KPassivePopup( parent, name, f )
{
connect( &update_timer, SIGNAL( timeout()), SLOT( slotPositionSelf()));
}
KRandrPassivePopup* KRandrPassivePopup::message( const QString &caption, const QString &text,
const QPixmap &icon, QWidget *parent, const char *name, int timeout )
{
KRandrPassivePopup *pop = new KRandrPassivePopup( parent, name );
pop->setAutoDelete( true );
pop->setView( caption, text, icon );
pop->setTimeout( timeout );
pop->show();
pop->startWatchingWidget( parent );
return pop;
}
void KRandrPassivePopup::startWatchingWidget( QWidget* widget_P )
{
static Atom wm_state = XInternAtom( qt_xdisplay() , "WM_STATE", False );
Window win = widget_P->winId();
bool x11_events = false;
for(;;)
{
Window root, parent;
Window* children;
unsigned int nchildren;
XQueryTree( qt_xdisplay(), win, &root, &parent, &children, &nchildren );
if( children != NULL )
XFree( children );
if( win == root ) // huh?
break;
win = parent;
QWidget* widget = QWidget::find( win );
if( widget != NULL )
{
widget->installEventFilter( this );
watched_widgets.append( widget );
}
else
{
XWindowAttributes attrs;
XGetWindowAttributes( qt_xdisplay(), win, &attrs );
XSelectInput( qt_xdisplay(), win, attrs.your_event_mask | StructureNotifyMask );
watched_windows.append( win );
x11_events = true;
}
Atom type;
int format;
unsigned long nitems, after;
unsigned char* data;
if( XGetWindowProperty( qt_xdisplay(), win, wm_state, 0, 0, False, AnyPropertyType,
&type, &format, &nitems, &after, &data ) == Success )
{
if( data != NULL )
XFree( data );
if( type != None ) // toplevel window
break;
}
}
if( x11_events )
kapp->installX11EventFilter( this );
}
bool KRandrPassivePopup::eventFilter( QObject* o, QEvent* e )
{
if( e->type() == QEvent::Move && o->isWidgetType()
&& watched_widgets.contains( static_cast< QWidget* >( o )))
QTimer::singleShot( 0, this, SLOT( slotPositionSelf()));
return false;
}
bool KRandrPassivePopup::x11Event( XEvent* e )
{
if( e->type == ConfigureNotify && watched_windows.contains( e->xconfigure.window ))
{
if( !update_timer.isActive())
update_timer.start( 10, true );
return false;
}
return KPassivePopup::x11Event( e );
}
void KRandrPassivePopup::slotPositionSelf()
{
positionSelf();
}
#include "krandrpassivepopup.moc"
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