From: Christian Seberino <[EMAIL PROTECTED]> > > Paul > > It is slowly becoming clearer thanks to you. We can draw > on a pixmap which is associated with a window which > is part of a drawing area. > > Configure/Expose events that *just* modify pixmaps work > great. I assume at the end of one of those callbacks > that some hidden routine says, "OK, now we need > to DISPLAY this pixmap on the window" and does it??? > > The reason I am asking is that I made one of these callbacks > be called at other times when a configure/expose event > was NOT fired -- with gtk_idle_add. Drawing on a pixmap > does NOT automagically change what is seen on GUI right??? > How can I make these changes appear then (outside of a > configure/expose event)??
Connect to the configure event of the widget, and in the event handler do gdk_draw_pixmap() (gdk_draw_drawable() in 2.0) to blit the pixmap to the window. That's what the expose event is for. Ron Steinke _______________________________________________ gtk-list mailing list [EMAIL PROTECTED] http://mail.gnome.org/mailman/listinfo/gtk-list
