+/**
+ * grits_viewer_queue_draw:
+ * @viewer: the viewer
+ *
+ * Causes the viewer to redraw the screen. This has the safe effect as
+ * gtk_widget_queue_draw, but is thread safe, and probably faster.
+ */
+void grits_viewer_queue_draw(GritsViewer *viewer)
+{
+ g_mutex_lock(&viewer->draw_lock);
+ if (!viewer->draw_source)
+ viewer->draw_source = g_idle_add_full(G_PRIORITY_HIGH,
+ _grits_viewer_queue_draw_cb, viewer, NULL);
+ g_mutex_unlock(&viewer->draw_lock);
+}
+