Re: GtkBuilder Public API - Last call

[Johan Dahlin <johan gnome org>]

Steve Frécinaux wrote:
> On Thu, 2007-06-14 at 10:41 -0300, Johan Dahlin wrote:
> 
>> Let's use this xml attributes for the signal tag;
>>
>>   name: signal name
>>   handler: handler to connect the signal to
>>   after: optional, boolean if True, set flags to G_CONNECT_AFTER
>>   swapped: optional, boolean if True, set flags to G_CONNECT_SWAPPED
>>   object: optional, if set use g_signal_connect_object
> 
> I still don't understand how "swapped" is relevant in the XML context
> instead of in the C code actually connecting the handler. It looks like
> implementation detail to me, that should not be enforced by the XML
> file... The same applies for "after" and "object".
> 
> Do someone has a real-life example for when it is useful ?

It's the same use case as g_signal_connect_after, it's occasionally useful
to make sure that a handler is executed after all other handlers.

For instance you might want to play a movie which is draw on a drawing area,
but only start the playback after it's realized.

Johan