* Is it possible to have a global minor mode disabled whenever a certain major mode is enabled?
@ 2010-07-14 11:06 James Gregory
2010-07-19 18:42 ` Aidan Gauland
0 siblings, 1 reply; 2+ messages in thread
From: James Gregory @ 2010-07-14 11:06 UTC (permalink / raw)
To: help-gnu-emacs
I have a global minor mode (highlight-symbol) that conflicts with a
major mode (js2-mode). I have seen an alternative implementation of
highlight symbol that doesn't conflict, but it has some issues of its
own. I would rather just disable highlight-symbol whenever js2-mode is
loaded, but I can't work out how to do this.
I have some code like this in my init files:
;make it a global mode, and switch it on
(defun highlight-symbol-mode-on ()
"Turn on function `highlight-symbol-mode'."
(highlight-symbol-mode 1))
(defun highlight-symbol-mode-off ()
"Turn off function `highlight-symbol-mode'."
(highlight-symbol-mode -1))
(define-globalized-minor-mode global-highlight-symbol-mode
highlight-symbol-mode highlight-symbol-mode-on)
(global-highlight-symbol-mode 1)
(add-hook 'js2-mode-hook 'highlight-symbol-mode-off)
///
But though the hook at the end is called, highlight-symbol is still
switched on in js2-mode buffers. I guess this might be because the
global minor mode is enabled after js2-mode has already loaded? Or
some other load-order issue.
Thanks,
James
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Is it possible to have a global minor mode disabled whenever a certain major mode is enabled?
2010-07-14 11:06 Is it possible to have a global minor mode disabled whenever a certain major mode is enabled? James Gregory
@ 2010-07-19 18:42 ` Aidan Gauland
0 siblings, 0 replies; 2+ messages in thread
From: Aidan Gauland @ 2010-07-19 18:42 UTC (permalink / raw)
To: help-gnu-emacs
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James Gregory wrote:
> I have a global minor mode (highlight-symbol) that conflicts with a
> major mode (js2-mode). I have seen an alternative implementation of
> highlight symbol that doesn't conflict, but it has some issues of its
> own. I would rather just disable highlight-symbol whenever js2-mode is
> loaded, but I can't work out how to do this.
>
> I have some code like this in my init files:
>
> [snip]
>
> But though the hook at the end is called, highlight-symbol is still
> switched on in js2-mode buffers. I guess this might be because the
> global minor mode is enabled after js2-mode has already loaded? Or
> some other load-order issue.
According to the Emacs manual, major-mode hooks are run as the *last* step of
initialisation, so I'm not sure why this isn't working for you. I have an
idea that may or may not be helpful: if highlight-symbol can run hooks, have
it detect the major mode of the current buffer and disable itself. If that
doesn't work, then, as a rather crude hack, you could have your js2-mode hook
run after a short delay, but that would be unreliable, as it's time dependent.
HTH,
Aidan
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