Re: grab_default doesn't seem to grab.

[Cowley Harris <warewolfe gmail com>]

Thank to Chris for checking and confirming.

As I came across this while working on updating the Gtk2-perl tutorial
I'm just going to remove mention of this bug/feature in examples and
note this confusing behaviour when I get to the function's specific
section in the documentation.

2009/5/30 csincock-gmail <csincock gmail com>:
> perhaps this 'fix' from 1999 is causing the problem
> http://mail.gnome.org/archives/gtk-app-devel-list/1999-January/msg00134.html
>
> anyway I ran your script and it doesn't work for me either.
> also it seems that gtk is lying about the whole situation.
> I added print statements:
> print STDERR $close_button->has_default;
> print STDERR $close_button->receives_default;
> and it reports them both as true.
>
> what's more, calling $window->activate_default after the window is realised
> successfully sends a 'activate' signal to the close button, but neither
> buttons clicked handler is called (I guess cos 'activation' is
> different than clicking if the activate is triggered programatically).
>
> Also, if both buttons have $button->can_focus(FALSE)
> then the enter key seems to succesfully invoke the close buttons activate
> signal handler and it's clicked signal handler.
>
> perhaps having 'focus' support and a 'default' support are
> mutually exclusive in the situation where multiple widgets
> accept an enter key when focused?
>
> I think the only way you'll get it to work is by also playing
> around with the focus.
>
> having said that, perhaps just focusing the close button is the way
> to go. alternatively you could also add a key event handler to the toplevel
> widget to intercept the enter key and call window->activate if you also
> connected your close handler to 'activate'.
>
> I agree with you that the behaviour is not what the docs would seem
> to indicate, but because of the interactions of focus handling etc,
> I wouldn't be surprised if anybody in the world could say how it is
> really "meant" to work. If you collated all the hundreds of single-liner
> comments in the docs for the various focus and 'default' related features,
> you'd probably find plenty of contradictions.
>
> cheers
> > Date: Fri, 29 May 2009 14:27:55 +0200
> > From: Cowley Harris <warewolfe gmail com>
> > Subject: grab_default doesn't seem to grab.
>
> > Trying to understand why grab_default doesn't seem to work like the
> > way I interpreted the documentation.
> > Can somebody run this script and see if the issue is explicable ?
>
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