/* histmap_get is relatively expensive, run it only when we really need it
and with lower priority than pixbuf_renderer
FIXME: this does not work for fullscreen*/
-#if GTK_CHECK_VERSION(2,20,0)
if (gtk_widget_is_drawable(phd->drawing_area))
-#else
- if (GTK_WIDGET_DRAWABLE(phd->drawing_area))
-#endif
{
if (!phd->idle_id)
{