[Usability]Re: HIG suggestion- alt+<num> shortcuts for tabbed/MD interfaces

[Michael Toomim <toomim uclink4 berkeley edu>]

Luis Villa wrote:

> > In the meantime, the gtk-2.0 notebook widget does implement
> > Ctrl+PgUp/PgDn for flipping between tabs, so applications that are using
> > that but breaking those keybindings need to sort themselves out :)
>
> AFAICT, this only works when the tab widget is focused, which means (at
> minimum) a whole bunch of keystrokes[1] and/or a mouseclick before these
> are usable, as compared to ctl+<num>, which has (in the past) worked
> without focus and hence with only one keycombo press. _much_ more
> efficient.

Can you explain this a little more?  I don't understand how 
C-pgup/pgdown requires a widget to be focused, but A-# doesn't.