Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 118 insertions, 0 deletions

diff --git a/kcontrol/randr/krandrpassivepopup.cpp b/kcontrol/randr/krandrpassivepopup.cpp
new file mode 100644
index 000000000..858014014
--- /dev/null
+++ b/kcontrol/randr/krandrpassivepopup.cpp
@@ -0,0 +1,118 @@
+/* 
+ * 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"