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Date: Wed, 06 Nov 2002 00:58:00 -0000
To: Daniel Skarda <0rfelyus@ucw.cz>,Marius Vollmer <mvo@zagadka.ping.de>
From: Stan Pinte <alto_stan@wanadoo.be>
Subject: Re: implementing guile-gtk drag & drop...
Cc: Stanislas Pinte <alto_stan@wanadoo.be>,
 guile-gtk <guile-gtk@sources.redhat.com>,David Pirotte <david@altosw.be>
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 <87d6pmd7a3.fsf@zagadka.ping.de>
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At 01:26 6-11-2002 +0100, Daniel Skarda wrote:
>Hello,
>
>   last few hours I played with guile-gtk and drag'n'drop and I wrote bindings
>for dnd functions. I was able to to write working scheme sibling of testdnd.c.
>
>   The biggest problem was GtkSelectionData - a Gtk structure without 
> "classic"
>reference counting,

do you know where I can find a good explanation of the reference counting 
strategies, in GTK?

Because I don't understand what is the problem...(blame my very poor 
knowledge of guile-gtk and gtk)

thanks,

Stan.

>moreover it is parameter of many gtk callbacks and dnd
>stopped working when I use gtk_selection_data_copy/free :-(
>
>   My (temporal) solution is little bit unsafe - or it is save until you copy
>signal-data outside of signal handler and use it later. I guess this is very
>unlikely but guile-gtk should be adjusted to handle such wild code
>(unfortunately, this GtkSelectionData "feature" was not improved in Gtk+ 
>2.0 :-(
>
>   I post my patch once I clean up my code.
>
>0.