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/****************************************************************************
KHotKeys
Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org>
Distributed under the terms of the GNU General Public License version 2.
****************************************************************************/
#define _WINDOWSELECTOR_CPP_
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "windowselector.h"
#include "voices.h"
#include <tqcursor.h>
#include <kdebug.h>
#include <tdeapplication.h>
#include <X11/Xlib.h>
#include <fixx11h.h>
namespace KHotKeys
{
WindowSelector::WindowSelector( TQObject* receiver_P, const char* slot_P )
{
connect( this, TQ_SIGNAL( selected_signal( WId )), receiver_P, slot_P );
}
void WindowSelector::select()
{
kapp->desktop()->grabMouse( TQCursor( TQt::crossCursor ));
kapp->installX11EventFilter( this );
}
bool WindowSelector::x11Event( XEvent* e )
{
if( e->type != ButtonPress )
return false;
kapp->desktop()->releaseMouse();
if( e->xbutton.button == Button1 )
{
WId window = findRealWindow( e->xbutton.subwindow );
if( window )
selected_signal( window );
}
delete this;
return true;
}
WId WindowSelector::findRealWindow( WId w, int depth )
{
if( depth > 5 )
return None;
static Atom wm_state = XInternAtom( tqt_xdisplay(), "WM_STATE", False );
Atom type;
int format;
unsigned long nitems, after;
unsigned char* prop;
if( XGetWindowProperty( tqt_xdisplay(), w, wm_state, 0, 0, False, AnyPropertyType,
&type, &format, &nitems, &after, &prop ) == Success )
{
if( prop != NULL )
XFree( prop );
if( type != None )
return w;
}
Window root, parent;
Window* children;
unsigned int nchildren;
Window ret = None;
if( XQueryTree( tqt_xdisplay(), w, &root, &parent, &children, &nchildren ) != 0 )
{
for( unsigned int i = 0;
i < nchildren && ret == None;
++i )
ret = findRealWindow( children[ i ], depth + 1 );
if( children != NULL )
XFree( children );
}
return ret;
}
} // namespace KHotKeys
#include "windowselector.moc"
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