Re: configure event in children

[Krzesimir Nowak <qdlacz gmail com>]

On Mon, 2009-04-20 at 15:10 +1000, Andreas Bauer wrote:
> Hi all,
> 
> I have a window with a notebook.  Each page in turn has a vbox, an
> eventbox and a socket (in that descending order) attached to it.
> 
> I'd like to connect a function to a configure_event for any of the
> children of the notebook, or if that's too difficult, at least have it
> connected to the notebook itself.
> 
> I tried, in the top-level window:
> 
>   add_events(Gdk::STRUCTURE_MASK | Gdk::SUBSTRUCTURE_MASK);
> 
> to make the window's children receive configure_events, and then added
> to the children (here, to the notebook):
> 
>   notebook.add_events(Gdk::SUBSTRUCTURE_MASK);
>   notebook.signal_configure_event().
>     connect_notify(sigc::mem_fun(*this, &EditorWin::on_my_configure_event));
> 
> But this somehow doesn't seem to work.  The function is never called
> when I resize the window and in turn the notebook.  I'm sure I'm just
> not setting the right signals, or something, but I can't seem to work
> it out.
> 
> Any ideas on how this is done?
> 
> Many thanks,
> 
> Andreas.
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http://gtkmm.org/docs/gtkmm-2.4/docs/tutorial/html/sec-xeventsignals.html

I suppose that especially "Signal Handler sequence" is important for
you.

Krzesimir Nowak