- GdkEvent event;
- GtkWidget *event_widget;
-
- if ((xevent.xany.window == GDK_WINDOW_XWINDOW (pizza->bin_window)) )
- gtk_pizza_filter (&xevent, &event, pizza);
-
- if (xevent.type == Expose)
- {
- event.expose.window = gdk_window_lookup (xevent.xany.window);
- gdk_window_get_user_data (event.expose.window,
- (gpointer *)&event_widget);
-
- if (event_widget)
- {
- event.expose.type = GDK_EXPOSE;
- event.expose.area.x = xevent.xexpose.x;
- event.expose.area.y = xevent.xexpose.y;
- event.expose.area.width = xevent.xexpose.width;
- event.expose.area.height = xevent.xexpose.height;
- event.expose.count = xevent.xexpose.count;
-
- gdk_window_ref (event.expose.window);
- gtk_widget_event (event_widget, &event);
- gdk_window_unref (event.expose.window);
- }
- }
- }
-#endif /* __WXGTK20__/!__WXGTK20__ */
-}
-
-
-#ifndef __WXGTK20__
-/* The main event filter. Actually, we probably don't really need
- * to install this as a filter at all, since we are calling it
- * directly above in the expose-handling hack. But in case scrollbars
- * are fixed up in some manner...
- *
- * This routine identifies expose events that are generated when
- * we've temporarily moved the bin_window_origin, and translates
- * them or discards them, depending on whether we are obscured
- * or not.
- */
-static GdkFilterReturn
-gtk_pizza_filter (GdkXEvent *gdk_xevent,
- GdkEvent *event,
- gpointer data)
-{
- XEvent *xevent;
- GtkPizza *pizza;
-
- xevent = (XEvent *)gdk_xevent;
-
- pizza = GTK_PIZZA (data);
-
- if (!pizza->use_filter)
- return GDK_FILTER_CONTINUE;
-
- switch (xevent->type)
- {
- case Expose:
- if (xevent->xexpose.serial == pizza->configure_serial)
- {
- xevent->xexpose.x += pizza->scroll_x;
- xevent->xexpose.y += pizza->scroll_y;
- }
- break;
-
- case ConfigureNotify:
- {
- pizza->configure_serial = xevent->xconfigure.serial;
- pizza->scroll_x = xevent->xconfigure.x;
- pizza->scroll_y = xevent->xconfigure.y;
- }
- break;
- }
-
- return GDK_FILTER_CONTINUE;
-}
-
-/* Although GDK does have a GDK_VISIBILITY_NOTIFY event,
- * there is no corresponding event in GTK, so we have
- * to get the events from a filter
- */
-static GdkFilterReturn
-gtk_pizza_main_filter (GdkXEvent *gdk_xevent,
- GdkEvent *event,
- gpointer data)
-{
- XEvent *xevent;
- GtkPizza *pizza;
-
- xevent = (XEvent *)gdk_xevent;
- pizza = GTK_PIZZA (data);
-
- if (!pizza->use_filter)
- return GDK_FILTER_CONTINUE;
-
- if (xevent->type == VisibilityNotify)
- {
- switch (xevent->xvisibility.state)
- {
- case VisibilityFullyObscured:
- pizza->visibility = GDK_VISIBILITY_FULLY_OBSCURED;
- break;
-
- case VisibilityPartiallyObscured:
- pizza->visibility = GDK_VISIBILITY_PARTIAL;
- break;
-
- case VisibilityUnobscured:
- pizza->visibility = GDK_VISIBILITY_UNOBSCURED;
- break;
- }
-
- return GDK_FILTER_REMOVE;