- x = 0;
- y = 0;
- w = widget->allocation.width - 2*border;
- h = widget->allocation.height - 2*border;
-
- if (dx > 0)
- {
- if (gravity_works)
- {
- gdk_window_resize (pizza->bin_window,
- w + dx,
- h);
- gdk_window_move (pizza->bin_window, x-dx, y);
- gdk_window_move_resize (pizza->bin_window, x, y, w, h );
- }
- else
- {
- /* FIXME */
- }
-
- gtk_pizza_expose_area (pizza,
- MAX ((gint)w - dx, 0),
- 0,
- MIN (dx, w),
- h);
- }
- else if (dx < 0)
- {
- if (gravity_works)
- {
- gdk_window_move_resize (pizza->bin_window,
- x + dx,
- y,
- w - dx,
- h);
- gdk_window_move (pizza->bin_window, x, y);
- gdk_window_resize (pizza->bin_window, w, h );
- }
- else
- {
- /* FIXME */
- }
-
- gtk_pizza_expose_area (pizza,
- 0,
- 0,
- MIN (-dx, w),
- h);
- }
-
- if (dy > 0)
- {
- if (gravity_works)
- {
- gdk_window_resize (pizza->bin_window, w, h + dy);
- gdk_window_move (pizza->bin_window, x, y-dy);
- gdk_window_move_resize (pizza->bin_window,
- x, y, w, h );
- }
- else
- {
- /* FIXME */
- }
-
- gtk_pizza_expose_area (pizza,
- 0,
- MAX ((gint)h - dy, 0),
- w,
- MIN (dy, h));
- }
- else if (dy < 0)
- {
- if (gravity_works)
- {
- gdk_window_move_resize (pizza->bin_window,
- x, y+dy, w, h - dy );
- gdk_window_move (pizza->bin_window, x, y);
- gdk_window_resize (pizza->bin_window, w, h );
- }
- else
- {
- /* FIXME */
- }
- gtk_pizza_expose_area (pizza,
- 0,
- 0,
- w,
- MIN (-dy, (gint)h));
- }
-
- gtk_pizza_position_children (pizza);
-
- /* We have to make sure that all exposes from this scroll get
- * processed before we scroll again, or the expose events will
- * have invalid coordinates.
- *
- * We also do expose events for other windows, since otherwise
- * their updating will fall behind the scrolling
- *
- * This also avoids a problem in pre-1.0 GTK where filters don't
- * have access to configure events that were compressed.
- */
-
- gdk_flush();
- while (XCheckIfEvent(GDK_WINDOW_XDISPLAY (pizza->bin_window),
- &xevent,
- gtk_pizza_expose_predicate,
- (XPointer)&GDK_WINDOW_XWINDOW (pizza->bin_window)))
- {
- GdkEvent event;
- GtkWidget *event_widget;
-
- if ((xevent.xany.window == GDK_WINDOW_XWINDOW (pizza->bin_window)) &&
- (gtk_pizza_filter (&xevent, &event, pizza) == GDK_FILTER_REMOVE))
- continue;
-
- 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);
- }
- }
- }