[sugar] keyboard bindings for buttons and palettes

Marco Pesenti Gritti mpgritti at gmail.com
Tue Feb 26 09:35:22 EST 2008


On Tue, Feb 26, 2008 at 8:06 AM, Tomeu Vizoso <tomeu at tomeuvizoso.net> wrote:
> Hi,
>
>  have been thinking a bit about the best way to add key bindings
>  (accelerators) to activities and the shell, and have come up with a
>  proof of concept patch at:
>
>  http://tomeuvizoso.net/~tomeu/accelerators.patch
>
>  For adding a Ctrl-B accelerator to the Back button in browse, we would
>  need to change the code in the following way:
>
>  -        self._back = ToolButton('go-previous-paired')
>  -        self._back.set_tooltip(_('Back'))
>  +        self._back = ToolButton('go-previous-paired', _('Back'), _('<Ctrl>B'))


I think we should use gobject properties here (which will still allow
to pass them to the constructor).


>  The good:
>
>  - The labels and accelerators are set at the same time so they will
>  appear related when translating. Every language team can set its own
>  policy regarding accelerators.

I'm not sure translatable accellerators are a good idea. I see the
advantages, but it also means you are "screwed" if you switch
language. Eben?

>  The bad:
>
>  - Every widget will have to listen for 'hierarchy-changed' in order to
>  set the accelerator for the group of its top level window.
>
>  Can anybody think of a better way to do this? If not, I'll come with a
>  more refined patch and will ask for review. I think accelerators can
>  improve usability quite a bit.

Nothing short of adding this functionality to gtk.

We have already a bit of duplicated code between the ToolItems,
perhaps we can figure out a way to avoid duplication which doesn't
require inheritance.

Marco


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