On Dec 23, 2007 2:21 AM, Alwin Leerling <[EMAIL PROTECTED]> wrote:
> Tristan Van Berkom wrote:
> > On Dec 23, 2007 1:20 AM, Alwin Leerling <[EMAIL PROTECTED]
> > <mailto:[EMAIL PROTECTED]>> wrote:
> >
> > Hi,
> >
> > I'm slightly overwhelmed as to the whole reference counting issue.
> > Could
> > someone explain the though process or logic behind the reference
> > counting or direct me to some information where I can find the
> > correct
> > use. For example, in my code I set up my combo boxes on startup
> using
> > gtk_list_store_newv and gtk_combo_box_set_model. (Do I need to
> > unref the
> > list_store pointer at this stage?)
> >
> >
> > This is a question of how you interpret your application, think, do you
> > want to give the ownership of your data model to your view widget ?
> >
> This application is purely the gui part of my system. I have another
> application that does the actual work, so my gui is totally stateless.
> To my knowledge is it advantageous to give the ownership to the view
> widget as I don't have to keep variables laying around. If I need
> something like the store I can always request it from GTK.
> > Will you be having multiple list stores that you might want to keep
> > around and alternate the view ?
> >
> No, I initialise the stores on startup and just add/remove items from
> them.
> > If you unref your list store (passing ownership to the combo box), then
> > destroying (freeing) the combo box will take care of finalizing
> (freeing)
> > the list store.
> >
> Does this mean that I have to unref the store as soon as I have assigned
> it to the combo (gtk_combo_box_set_model) ?
Not really, all it means is that you probably /want/ to unref it after
passing it
to the combo, as opposed to simply leeking it or unreffing the store
yourself when you know its no longer needed.
Cheers,
-Tristan
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