Hi, On Fri, 2008-05-09 at 12:53 +0200, Nicolás Serrano Martínez Santos wrote: > Thanks! Now it works as it will be expected. I didn't notice that > signal in the API before... GimpPreviewArea is derived from GtkDrawingArea. It inherits all functions and signals from its parent classes, including GtkWidget::size-allocate. Sven