Re: gdk_pixmap_unref in perl-GTK?

[Paolo Molaro <lupus ximian com>]

On 02/11/01 Michael Ivanov wrote:
> > The pixmap is automatically unref()ed when it isn't used anymore, you
> > should not need to unref it explicitly from perl code.
> >
> >     undef $pixmap;
> Well, maybe I'm overcomplicating things.... But still: gdk_pixmap_unref
> is mentioned in gtk-perl code the once: in bg_pixmap function, when
> the background pixmap is changed. As I understand, to remove pixmap on
> server side one has either to unref it explicitely via XFreePixmap() or
> to disconnect from X-server. I create a pixmap with 'new Gtk::Gdk::Pixmap()'
> which is mapped to gdk_pixmap_new(). XFreePixmap() is called only from
> gdk_pixmap_unref() (at least in gtk+ 1.2.6). I didn't find a destructor for
> gdk pixmap in .xs files and gdk_pixmap_unref() in perl-gtk is called only from
> bg_pixmap.

DESTROY methods for boxed types are implemented in build/boxed.xsh.
But you where right, gkd_window_unref() was called on pixmaps instead
of gdk_pixmap_unref(). Fixed in cvs.

> > Should do the right thing when you are done with it (or just let perl do it
> > if it's a my var that goes out of scope...). If you think there is some
> > kind of memory leak, please post more details.
> How one can check, which pixmaps exist in X server? Is there a utility to
> list an X-server internal objects?

I don't think there is a way to do that.

Thanks,
        lupus

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