[fpc-pascal]RE: force redraw on hscale

Marc Santhoff M.Santhoff at t-online.de
Tue Apr 27 19:06:12 CEST 2004

Am Di, den 27.04.2004 schrieb Jeff Pohlmeyer um 07:58:
> > My question: how can I force a redraw on selected 
> > widgets or the whole window when needed?
> Maybe this will help:
>   procedure UpdateWidget(w:pGtkWidget);
>   var
>     update_rect: tGdkRectangle;
>   begin
>     update_rect.x:=0;
>     update_rect.y:=0;
>     update_rect.width:=w^.allocation.width;
>     update_rect.height:=w^.allocation.height;
>     gtk_widget_draw(w, @update_rect);
>   end;

More information on the problem:

The color update is not drawn until the window is forced to redraw!

A testing program written in C to be sure it's not a fault of the pascal
binding teached me that.

Now I'll try a forced resize and hope to get no flickering.


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