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bug#42957: 28.0.50; Tool bar button click doesn't update the tool bar im
From: |
Lars Ingebrigtsen |
Subject: |
bug#42957: 28.0.50; Tool bar button click doesn't update the tool bar immediately |
Date: |
Fri, 16 Oct 2020 11:10:24 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Mauro Aranda <maurooaranda@gmail.com> writes:
> 4. Now click the foo-refresh button. I expected the button to get
> disabled immediately, but that doesn't happen.
> 5. Click in the buffer, and the button will be disabled.
Yup; this problem is still present on the trunk.
> Could Emacs update the tool bar immediately when the user clicks on a
> tool bar button? Or am I forced (no pun intended) to use
> `force-mode-line-update' in the commands that may alter the
> enable/disable state of the tool bar buttons, even when the commands
> run because of a tool bar button click?
I don't know, but if Emacs can't do that, then this should be
documented, at least. This is documented in other context, like:
--
The menu bar does not recalculate which items are enabled every time you
look at a menu. This is because the X toolkit requires the whole tree
of menus in advance. To force recalculation of the menu bar, call
@code{force-mode-line-update} (@pxref{Mode Line Format}).
--
But not in the tool bar sections, as far as I can see. But I guess if
the menu bar doesn't update automatically on enabling, then it would
perhaps be surprising that tool bars do.
So I think we should just document this quirk? Any opinions?
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
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Lars Ingebrigtsen <=