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