message: screenCount -> QGuiApplication::screens()
diff: @@ -457,9 +457,11 @@ int LXCB::WindowIsFullscreen(WId win){
  int fscreen = -1;
  //qDebug() << "FALLBACK FULLSCREEN CHECK:";
  QRect geom = LXCB::WindowGeometry(win, false);
  - QDesktopWidget *desk = QApplication::desktop();
  - for(int i=0; i<desk->screenCount(); i++){
  - QRect sgeom = desk->screenGeometry(i);
  + QList<QScreen*> screens = QGuiApplication::screens();
  + QList<QScreen*>::const_iterator it;
  + int i = 0;
  + for(it = screens.constBegin(); it != screens.constEnd(); ++it, ++i) {
  + QRect sgeom = (*it)->availableGeometry();
  qDebug() << " -- Check Window Geom:" << sgeom << geom << this->WindowClass(win);
  if( sgeom.contains(geom.center()) ){
  //Allow a 1 pixel variation in "full-screen" detection
  