Re: Gtk::Notebook memory management quirks

[Murray Cumming <murrayc murrayc com>]

On Wed, 2008-07-23 at 12:12 +0200, Julien Langer wrote:
> 2008/7/23 Murray Cumming <murrayc murrayc com>:
>         
>         I don't think that the builder should delete widgets. Do you
>         have a
>         simple-as-possible compileable test case that shows this? If
>         so, could
>         you please add it to bugzilla?
>         
> 
> I load the widgets that are displayed on the notebook tab from a
> GtkBuilder file.
> Multiple tabs can be opened, so I need to create a new GtkBuilder for
> each tab. (I didn't find another way to replicate the widgets created
> by the GtkBuilder).
> Each of these GtkBuilder files has a VBox with the notebook contents
> which is then added to the notebook as the child widget.
> Once the tab is closed I release the last reference to the
> RefPtr<GtkBuilder> (Of course I need to make sure that no one else
> also holds a reference to the same GtkBuilder). The GtkBuilder will
> then release the VBox.

Again, I don't think that's true, or that it should be true. Do you have
a simple-as-possible compileable test case that shows this?

> I first thought that the VBox is released by the notebook but then I
> realized that it's the GtkBuilder of course.
> 
> It's all a big hack of course but as I said earlier I didn't find
> another clever way to replicate widgets that come from a GtkBuilder
> (I'd need something like a clone factory with the GtkBuilder providing
> the examplar objects but as far as I know widgets can't be copied or
> cloned)


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