From: Mike Durham <mdurham@...>
Date: 2006-10-13T11:45:07+09:00
Subject: Re: need help on: Linux Gnome2 Glade Cairo callback problem

Kouhei Sutou wrote:
> Hi,
> 
> In <452da287$1_2@news.peopletelecom.com.au>
>   "need help on: Linux Gnome2 Glade Cairo callback problem" on Thu, 12 Oct 2006 10:10:05 +0900,
>   Mike Durham <mdurham@people.net.au> wrote:
> 
>> I have a Glade project main app window with a toolbar and 4 
>> 'drawingarea's, into which I draw some test images using Cairo.
>> After anywhere between 50 and 100 drawingarea updates I get the 
>> following message when clicking on a toolbar button.
>>
>> cairo_test_2.rb:147: warning: GRClosure invoking callback: already destroyed
> 
> I fixed this bug in CVS.
> 
> The following patch may solve this bug.
> 
> --- libglade2.rb	8 Jul 2006 16:45:15 -0000	1.13
> +++ libglade2.rb	12 Oct 2006 13:50:17 -0000	1.14
> @@ -40,6 +40,11 @@
>      end
>  
>      if signal_proc
> +      @sources ||= {}
> +      @sources[source.object_id] = source
> +      source.signal_connect("destroy") do |object|
> +        @sources.delete(object.object_id)
> +      end
>        case signal_proc.arity
>        when 0
>          sig_conn_proc.call(signal) {signal_proc.call}
> 
> 
> Thanks,
> --
> kou
> 

Thanks Kou, your patch fixed the problem perfectly. Just out of 
interest, where can I get libglade2.rb 1.14? I don't understand the CVS 
thing, where is it?.
Thanks again, Mike