static GdkFilterReturn
egg_tray_icon_manager_filter (GdkXEvent *xevent, GdkEvent *event, gpointer user_data)
{
EggTrayIcon *icon = user_data;
XEvent *xev = (XEvent *)xevent;
if (xev->xany.type == ClientMessage &&
xev->xclient.message_type == icon->manager_atom &&
xev->xclient.data.l[1] == icon->selection_atom)
{
egg_tray_icon_update_manager_window (icon, TRUE);
}
else if (xev->xany.window == icon->manager_window)
{
if (xev->xany.type == PropertyNotify &&
xev->xproperty.atom == icon->orientation_atom)
{
egg_tray_icon_get_orientation_property (icon);
}
if (xev->xany.type == DestroyNotify)
{
egg_tray_icon_manager_window_destroyed (icon);
}
}
return GDK_FILTER_CONTINUE;
}
static void
egg_tray_icon_update_manager_window (EggTrayIcon *icon,
gboolean dock_if_realized)
{
Display *xdisplay;
if (icon->manager_window != None)
return;
#if GTK_CHECK_VERSION(2,1,0)
xdisplay = GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon)));
#else
xdisplay = gdk_display;
#endif
XGrabServer (xdisplay);
icon->manager_window = XGetSelectionOwner (xdisplay,
icon->selection_atom);
if (icon->manager_window != None)
XSelectInput (xdisplay,
icon->manager_window, StructureNotifyMask|PropertyChangeMask);
XUngrabServer (xdisplay);
XFlush (xdisplay);
if (icon->manager_window != None)
{
GdkWindow *gdkwin;
#if GTK_CHECK_VERSION(2,1,0)
gdkwin = gdk_window_lookup_for_display (gtk_widget_get_display (GTK_WIDGET (icon)),
icon->manager_window);
#else
gdkwin = gdk_window_lookup (icon->manager_window);
#endif
gdk_window_add_filter (gdkwin, egg_tray_icon_manager_filter, icon);
if (dock_if_realized && GTK_WIDGET_REALIZED (GTK_WIDGET (icon)))
egg_tray_icon_send_dock_request (icon);
egg_tray_icon_get_orientation_property (icon);
}
}
static void
egg_tray_icon_update_manager_window (EggTrayIcon *icon)
{
Display *xdisplay;
xdisplay = GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon)));
if (icon->manager_window != None)
{
GdkWindow *gdkwin;
gdkwin = gdk_window_lookup_for_display (gtk_widget_get_display (GTK_WIDGET (icon)),
icon->manager_window);
gdk_window_remove_filter (gdkwin, egg_tray_icon_manager_filter, icon);
}
XGrabServer (xdisplay);
icon->manager_window = XGetSelectionOwner (xdisplay,
icon->selection_atom);
if (icon->manager_window != None)
XSelectInput (xdisplay,
icon->manager_window, StructureNotifyMask|PropertyChangeMask);
XUngrabServer (xdisplay);
XFlush (xdisplay);
if (icon->manager_window != None)
{
GdkWindow *gdkwin;
gdkwin = gdk_window_lookup_for_display (gtk_widget_get_display (GTK_WIDGET (icon)),
icon->manager_window);
gdk_window_add_filter (gdkwin, egg_tray_icon_manager_filter, icon);
/* Send a request that we'd like to dock */
egg_tray_icon_send_dock_request (icon);
egg_tray_icon_get_orientation_property (icon);
}
}
