Re: Re: gtk.Window() and accelerator

Am Donnerstag, den 16.12.2004, 21:02 +0300 schrieb Eugene Morozov:
> Marcus Habermehl wrote:
> > Am Donnerstag, den 16.12.2004, 08:26 +0300 schrieb Eugene Morozov:
> > 
> >>Marcus Habermehl wrote:
> >>
> >>>Hi.
> >>>
> >>>I want to add an accelerator to my gtk.Window().
> >>>
> >>>After I read the pygtk reference several hours I meant this is the right
> >>>way.
> >>>
> >>
> >>I use the following code:
> >>
> >>   accelgroup = gtk.AccelGroup()
> >>   key, modifier = gtk.accelerator_parse('<Alt>%d' % i)
> >>   accelgroup.connect_group(key, modifier, gtk.ACCEL_VISIBLE, 
> >>                            lambda a,b,c,d,i=i: self.assess_quality(i))
> >>   recall_card_window.add_accel_group(accelgroup)
> >>
> >>Don't know whether it's right or wrong, but it works.
> > 
> > 
> > Thanks! I've modified your example a little bit.
> > 
> > def Quit(*args):
> >     gtk.main_quit()
> > 
> > accelgroup = gtk.AccelGroup()
> > key, modifier = gtk.accelerator_parse('<Control>q')
> > accesgroup.connect_group(key, modifier, gtk.ACCEL_VISIBLE, Quit)
> > window1.add_accel_group(accelgroup)
> 
> Please, remember that callbacks assigned in connect_group must return 
> True.  Otherwise GTK+ will segfault sooner or later.  It is probably 
> irrelevant to this example as it only calls gtk.main_quit(), but if you 
> want to do other things in callback it must return some value.

Is the "i" the returning value in your example?

Because there are some things in your example that I not understand.

key, modifier = gtk.accelerator_parse('<Alt>%d' % i)

Why %d instead d and what is % i? 

accelgroup.connect_group(key, modifier, gtk.ACCEL_VISIBLE, lambda a,b,c,d,i=i: 
self.assess_quality(i))

Are a,b,c,d,i widgets in your script? And why =i? I supposing
self.assess_quality(i) is a function from you that returns the needed
value for GTK+. I'm right?

Marcus

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