On 10.10.2011 10:12, MacArthur, Ian (SELEX GALILEO, UK) wrote: > >> The custom dialog paints itself on top of the main app window >> which has a plot of a function on it drawn on an Fltk_Gl_Window. >> >> See the snapshots here; >> http://www.hyperscope.net/fltk.html >> >> But when it first pops up it's blank for about 2 seconds and >> then the controls get drawn (the input line and the two buttons). >> >> I don't understand why the pop up window is so slow to paint >> itself, seems it should just be immediate. > > This is probably something to do with the strucure of your application, > so we can't really help as we can not reproduce your problem. > > What I suggest you do is produce a minimal, compileable, example that > exhibits the fault and post it here (or on your website) for others to > examine and see if we can see what the underlying issue is. > > You can probably pick up one of the simple GL examples on Greg's website > (http://www.seriss.com/people/erco/fltk/#OpenGlSimpleWidgets) and just > modify that to include a version of your dialog, and see if that > exhibits the same slowness...
Good idea, but maybe it would be easier to add some output statements to the draw() methods of the two windows to see if/when they are called. Maybe you (Marko) need to add fflush(stdout) or something to flush the output buffers immediately. This could help finding where the delay is. Albrecht _______________________________________________ fltk mailing list [email protected] http://lists.easysw.com/mailman/listinfo/fltk
