GdkVisual *visual = gdk_x11_screen_lookup_visual(screen, xvinfo->visualid);
GdkColormap *cmap = gdk_colormap_new(visual, FALSE);
gtk_widget_set_colormap(widget, cmap);
+ g_object_unref(cmap);
+ XFree(xvinfo);
/* Disable GTK double buffering */
gtk_widget_set_double_buffered(widget, FALSE);