apps/nsplugins/viewer/xtevents.cpp

   1 /*
   2   Copyright (c) 2007 Lubos Lunak <l.lunak@suse.cz>
   3
   4   This program is free software; you can redistribute it and/or modify
   5   it under the terms of the GNU General Public License as published by
   6   the Free Software Foundation; either version 2 of the License, or
   7   (at your option) any later version.
   8
   9   This program is distributed in the hope that it will be useful,
  10   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12   GNU General Public License for more details.
  13
  14   You should have received a copy of the GNU General Public License
  15   along with this program; if not, write to the Free Software
  16   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17
  18 */
  19
  20 #include "xtevents.h"
  21
  22 #include <fixx11h.h>
  23
  24 #include <kapplication.h>
  25 #include <QX11Info>
  26
  27 XtEvents::XtEvents()
  28     {
  29     XtToolkitInitialize();
  30     context = XtCreateApplicationContext();
  31     int argc = qApp->argc();
  32     XtDisplayInitialize( context, QX11Info::display(), qAppName().toLatin1(), QX11Info::appClass(),
  33         NULL, 0, &argc, qApp->argv());
  34     connect( &timer, SIGNAL( timeout()), SLOT( idleProcess()));
  35     kapp->installX11EventFilter( this );
  36     // No way to find out when to process Xt events, so poll :(
  37     timer.start( 10 );
  38     }
  39
  40 XtEvents::~XtEvents()
  41     {
  42     }
  43
  44 bool XtEvents::x11Event( XEvent* e )
  45     {
  46     return XtDispatchEvent( e );
  47     }
  48
  49 void XtEvents::idleProcess()
  50     {
  51     for(;;)
  52         {
  53         XtInputMask mask = XtAppPending( context );
  54         mask &= ~XtIMXEvent; // these are processed in x11Event()
  55         if( mask == 0 )
  56             break;
  57         // TODO protect from zero timers starving everything
  58         XtAppProcessEvent( context, mask );
  59         }
  60     }
  61
  62 #include "xtevents.moc"