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Re: org-mode and mode hooks.
From: |
Luc Teirlinck |
Subject: |
Re: org-mode and mode hooks. |
Date: |
Fri, 27 May 2005 20:58:48 -0500 (CDT) |
My original patch for font-lock.el had problems. It did not work well
for modes that only use font-lock for font-lock-face and it did not
work for modes with a non-standard font-lock-function. I now propose
to leave font-lock.el unchanged and to apply the patch below to
font-core.el instead.
I also propose a slightly changed second paragraph to the
`define-global-minor-mode' docstring. The revised patch to cwarn.el
is completely equivalent to my original. It just adapts the changes
to the revised `define-global-minor-mode' docstring.
Revised second paragraph of `define-global-minor-mode' docstring:
If the minor mode's set-up depends on the major mode, then enabling
the minor mode should store the value of the variable `major-mode' in
the variable MODE-stored-mode. This is used to catch bugs where MODE
is set up for the wrong mode. `define-global-minor-mode' provides
a defvar for MODE-stored-hook, with initial value nil, and makes it
automatically buffer-local. If MODE's set-up is independent of
the major mode, the value of the variable should stay nil.
New patches to font-core.el and cwarn.el:
===File ~/font-core-diff====================================
*** font-core.el 22 May 2005 16:46:07 -0500 1.28
--- font-core.el 27 May 2005 20:01:05 -0500
***************
*** 88,93 ****
--- 88,95 ----
It will be passed one argument, which is the current value of
`font-lock-mode'.")
+ ;; The mode for which font-lock was initialized, or nil if none.
+ (defvar font-lock-mode-stored-mode)
(define-minor-mode font-lock-mode
"Toggle Font Lock mode.
With arg, turn Font Lock mode off if and only if arg is a non-positive
***************
*** 156,162 ****
;; Arrange to unfontify this buffer if we change major mode later.
(if font-lock-mode
(add-hook 'change-major-mode-hook 'font-lock-change-mode nil t)
! (remove-hook 'change-major-mode-hook 'font-lock-change-mode t)))
;; Get rid of fontification for the old major mode.
;; We do this when changing major modes.
--- 158,165 ----
;; Arrange to unfontify this buffer if we change major mode later.
(if font-lock-mode
(add-hook 'change-major-mode-hook 'font-lock-change-mode nil t)
! (remove-hook 'change-major-mode-hook 'font-lock-change-mode t))
! (when font-lock-mode (setq font-lock-mode-stored-mode major-mode)))
;; Get rid of fontification for the old major mode.
;; We do this when changing major modes.
***************
*** 203,209 ****
(when (or font-lock-defaults
(and (boundp 'font-lock-keywords) font-lock-keywords)
(with-no-warnings
! (cdr (assq major-mode font-lock-defaults-alist))))
(font-lock-mode-internal mode)))
(defun turn-on-font-lock ()
--- 206,217 ----
(when (or font-lock-defaults
(and (boundp 'font-lock-keywords) font-lock-keywords)
(with-no-warnings
! (cdr (assq major-mode font-lock-defaults-alist)))
! (and (boundp 'font-lock-set-defaults)
! font-lock-set-defaults
! (not (eq font-lock-mode-stored-mode major-mode))))
! (unless (eq font-lock-mode-stored-mode major-mode)
! (setq font-lock-set-defaults nil))
(font-lock-mode-internal mode)))
(defun turn-on-font-lock ()
============================================================
===File ~/cwarn-diff========================================
*** cwarn.el 04 Apr 2005 07:03:09 -0500 1.9
--- cwarn.el 27 May 2005 20:03:24 -0500
***************
*** 184,189 ****
--- 184,190 ----
;;}}}
;;{{{ The modes
+ (defvar cwarn-mode-stored-mode)
;;;###autoload
(define-minor-mode cwarn-mode
"Minor mode that highlights suspicious C and C++ constructions.
***************
*** 195,201 ****
With ARG, turn CWarn mode on if and only if arg is positive."
:group 'cwarn :lighter cwarn-mode-text
(cwarn-font-lock-keywords cwarn-mode)
! (if font-lock-mode (font-lock-fontify-buffer)))
;;;###autoload
(defun turn-on-cwarn-mode ()
--- 196,203 ----
With ARG, turn CWarn mode on if and only if arg is positive."
:group 'cwarn :lighter cwarn-mode-text
(cwarn-font-lock-keywords cwarn-mode)
! (if font-lock-mode (font-lock-fontify-buffer))
! (when cwarn-mode (setq cwarn-mode-stored-mode major-mode)))
;;;###autoload
(defun turn-on-cwarn-mode ()
============================================================
- Re: org-mode and mode hooks., (continued)
- Re: org-mode and mode hooks., Luc Teirlinck, 2005/05/29
- Re: org-mode and mode hooks., Luc Teirlinck, 2005/05/29
- Re: org-mode and mode hooks., Luc Teirlinck, 2005/05/30
- Re: org-mode and mode hooks., Luc Teirlinck, 2005/05/30
- Re: org-mode and mode hooks., Luc Teirlinck, 2005/05/30
- Re: org-mode and mode hooks., Luc Teirlinck, 2005/05/29
- Re: org-mode and mode hooks., Luc Teirlinck, 2005/05/28
- Re: org-mode and mode hooks., Richard Stallman, 2005/05/29
- Re: org-mode and mode hooks., Luc Teirlinck, 2005/05/29
- Re: org-mode and mode hooks., Luc Teirlinck, 2005/05/29
- Re: org-mode and mode hooks.,
Luc Teirlinck <=
- Re: org-mode and mode hooks., Michael Mauger, 2005/05/27
- Re: org-mode and mode hooks., Luc Teirlinck, 2005/05/27
- Re: org-mode and mode hooks., Luc Teirlinck, 2005/05/27
- Re: org-mode and mode hooks., Stefan Monnier, 2005/05/27
- Re: org-mode and mode hooks., Luc Teirlinck, 2005/05/27
- Re: org-mode and mode hooks., Michael Mauger, 2005/05/31
- Re: org-mode and mode hooks., Luc Teirlinck, 2005/05/27
- Re: org-mode and mode hooks., Richard Stallman, 2005/05/28
- Re: org-mode and mode hooks., Luc Teirlinck, 2005/05/28
- Re: org-mode and mode hooks., Richard Stallman, 2005/05/26