Message-ID: <3F03DFD1.9070003 at lix.polytechnique.fr>
Date: Thu, 03 Jul 2003 09:48:33 +0200
From: Benjamin Monate <monate at lix.polytechnique.fr>
MIME-Version: 1.0
To: stalkern2 at tin.it
Cc: lablgtk at kaba.or.jp
Subject: Re: offscreen backing pixmap: C/gtk to ocaml/lablgtk translation?
References: <200307030947.41209.stalkern2 at tin.it>
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Hello,


> /* Create a new backing pixmap of the appropriate size */
> static gint
> configure_event (GtkWidget *widget, GdkEventConfigure *event)
> {
>   if (pixmap) 
> /*(*-->a match for a option ref in Ocaml*)*/
>     gdk_pixmap_unref(pixmap); 
> /*(*-->???*)*/
> 
>   pixmap = gdk_pixmap_new(widget->window,
>                           widget->allocation.width,
>                           widget->allocation.height,
>                           -1);
> /*(*-->Gdk.Pixmap #create args*)*/

Do not worry about gdk_pixmap_unref.
The OCaml Garbage collector will do this automatically.

Just use something like :

pixmap := Some (Gdk.Pixmap #create args )

Cheers,
Benjamin