Re: Equivalent to Xt translation manager (XtAppAddActions() etc.)?

[Toralf Lund <toralf procaptura com>]

Roel Vanhout wrote:

> I think he's trying to ask if there is a way in gtkmm to fire an event 
> when a certain sequence of keypresses, mousemovements and mouseclicks 
> is done by the user.

Exactly. I thought this was clear enough from the documentation 
paragraph I included...

> AFAIK the answer to that is 'no'.

To bad ;-(

So how are the high-level widget signals (like item selection, button 
press etc.) implemented, then? Via lots of explicit tests etc. in event 
handlers? In Xt those were also defined via the translation manager, I 
believe...

> cheers,
>
> roel
>
>
>
> Bob Caryl wrote:
>
> > What's your point?
> >
> > Toralf Lund wrote:
> >
> >  > Bob Caryl wrote:
> >  >
> >  >> Yes, see:  >> 
> > http://www.gtkmm.org/docs/gtkmm-2.4/docs/tutorial/html/apb.html#id2510543 
> >
> >  >>
> >  >
> >  >
> >  > Doesn't that page just describe the basic event mechanism as well as
> >  > high-level signals or callbacks? That's not quite the same thing as
> >  > using Xt translations. The translation manager is essentially a layer
> >  > above the event handling, but below widget callbacks/signals. It 
> > saves
> >  > you from from writing code for each event when you want to do a
> >  > certain action after a *sequence* of events. You can specify a 
> > handler
> >  > or callback for,  say, a keypress followed by a mouse button-click
> >  > followed by motion followed by mouse release followed by key release
> >  > via a single "translation" event. It may be seen as a way to define
> >  > your own highlevel callbacks/signals.
> >  >
> >  >>
> >  >>
> >  >>
> >  >> Toralf Lund wrote:
> >  >>
> >  >>> Does Gtkmm/Gtk/GDK have an equivalent to XtAppAddActions()/the Xt
> >  >>> translations manager?
> >  >>>
> >  >>> What the translation manager does is, and I quote,
> >  >>>
> >  >>>    The Xt translation manager calls an action routine when an event
> >  >>>    sequence matches an event specification in a widget translation
> >  >>>    table. In a translation table, actions are associated with event
> >  >>>    specifications. More than one event sequence can invoke the same
> >  >>>    action routine.
> >  >>>
> >  >>> [ from http://docs.hp.com/en/B1171-90145/ch03s04.html ]
> >  >>>
> >  >>> - Toralf
> >  >>>
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> >  >>>
> >  >>
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