• Tim Janik's avatar
    reworked the redrawing heuristics somewhat, this fixed a bunch of existing · d7bd87f2
    Tim Janik authored
    Tue Jan 12 13:47:07 1999  Tim Janik  <timj@gtk.org>
    
            * reworked the redrawing heuristics somewhat, this fixed a bunch of
            existing redrawing problems and majorly reduces overall redrawing needs
            during normal operation. basically we now only queue redraws when
            neccessary and much rely on the draw_area coalescing code in gtkwidget.c
            to optimize the queued portions. widgets will now upon reallocation only
            get redrawed if their allocation has changed. upon hide/show only the
            area allocated by the child will be queued for the parent, this has the
            side effect that parents which change their appearance in dependance on
            the numer of visible children have to keep track of their children's
            visiblity and eventually fully redraw themselves. this is a minor
            constrain with great benefits in terms of redraw reduction, and only got
            triggered by the noteb...
    d7bd87f2
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