From: Lyle Johnson <lyle@...>
Date: 2002-08-01T02:19:25+09:00
Subject: Re: FXRuby: how do you capture a canvas resize?

Paul E.C. Melis wrote:

> I'm building a small drawing application by hacking the Scribble example
> included in FXRuby. But I can't seem to figure out how you can respond to
> resize events. Basically, whenever the window is resized (and therefore the
> drawing canvas on it) I want to know about it, so I can store the canvas's
> new size in pixels.

You want to catch the SEL_CONFIGURE message:

     @canvas.connect(SEL_CONFIGURE) do |sender, sel, evt|
       puts "New canvas size: #{sender.width} x #{sender.height} pixels"
     end

Hope this helps,

Lyle