Re: Language bindings and popup_menu and show_help signals

[Murray Cumming <murrayc murrayc com>]

On Fri, 2006-04-14 at 09:50 -0400, Owen Taylor wrote:
> G_SIGNAL_ACTION just means "this signal can be emitted via
> g_signal_emit() directly - it doesn't need a wrapper function"
> 
> It could be:
> 
>  - A keybinding signal handled by the widget internally - there should
>    not be any way of overriding the handler for such a signal or
>    for connecting to them.
> 
>  - A keybinding signal that has to be handled by derived widgets.
>    Overriding these is necessary, connection is often also useful.
>  
>  - Not a keybinding signal at all.
> 
> Please don't bind all keybinding signals. You are just asking for
> problems (as you discovered) if you bind them, and, perhaps worse,
> they pollute the API and confuse users... 

Yes, we greatly improved the gtkmm API when we removed these at gtkmm
version 2.4.

>  see for instance,
> GtkTextView::move-cursor... users think they are change notification
> and get confused when they don't always get called.
> 
> I think you have to figure out ad-hoc what signals need to be bound
> for connection/overriding and when it isn't clear from the docs, file
> bugs.

OK, thanks, I feel we are almost there:
http://bugzilla.gnome.org/show_bug.cgi?id=339205

-- 
Murray Cumming
murrayc murrayc com
www.murrayc.com
www.openismus.com