diff options
Diffstat (limited to 'lisp/emacs-lisp/easy-mmode.el')
| -rw-r--r-- | lisp/emacs-lisp/easy-mmode.el | 61 |
1 files changed, 36 insertions, 25 deletions
diff --git a/lisp/emacs-lisp/easy-mmode.el b/lisp/emacs-lisp/easy-mmode.el index 166c093f37b..ed10080cc35 100644 --- a/lisp/emacs-lisp/easy-mmode.el +++ b/lisp/emacs-lisp/easy-mmode.el @@ -296,6 +296,12 @@ the mode if ARG is omitted or nil, and toggle it if ARG is `toggle'. ;; up-to-here. :autoload-end + (defvar ,hook nil + ,(format "Hook run after entering or leaving `%s'. +No problems result if this variable is not bound. +`add-hook' automatically binds it. (This is true for all hook variables.)" + mode)) + ;; Define the minor-mode keymap. ,(unless (symbolp keymap) ;nil is also a symbol. `(defvar ,keymap-sym @@ -341,9 +347,14 @@ If MODE's set-up depends on the major mode in effect when it was enabled, then disabling and reenabling MODE should make MODE work correctly with the current major mode. This is important to prevent problems with derived modes, that is, major modes that -call another major mode in their body." +call another major mode in their body. + +When a major mode is initialized, MODE is actually turned on just +after running the major mode's hook. However, MODE is not turned +on if the hook has explicitly disabled it." (declare (doc-string 2)) (let* ((global-mode-name (symbol-name global-mode)) + (mode-name (symbol-name mode)) (pretty-name (easy-mmode-pretty-mode-name mode)) (pretty-global-name (easy-mmode-pretty-mode-name global-mode)) (group nil) @@ -354,6 +365,8 @@ call another major mode in their body." (MODE-check-buffers (intern (concat global-mode-name "-check-buffers"))) (MODE-cmhh (intern (concat global-mode-name "-cmhh"))) + (minor-MODE-hook (intern (concat mode-name "-hook"))) + (MODE-set-explicitly (intern (concat mode-name "-set-explicitly"))) (MODE-major-mode (intern (concat (symbol-name mode) "-major-mode"))) keyw) @@ -397,13 +410,9 @@ See `%s' for more information on %s." (progn (add-hook 'after-change-major-mode-hook ',MODE-enable-in-buffers) - (add-hook 'change-major-mode-after-body-hook - ',MODE-enable-in-buffers) (add-hook 'find-file-hook ',MODE-check-buffers) (add-hook 'change-major-mode-hook ',MODE-cmhh)) (remove-hook 'after-change-major-mode-hook ',MODE-enable-in-buffers) - (remove-hook 'change-major-mode-after-body-hook - ',MODE-enable-in-buffers) (remove-hook 'find-file-hook ',MODE-check-buffers) (remove-hook 'change-major-mode-hook ',MODE-cmhh)) @@ -416,6 +425,17 @@ See `%s' for more information on %s." ;; up-to-here. :autoload-end + ;; MODE-set-explicitly is set in MODE-set-explicitly and cleared by + ;; kill-all-local-variables. + (defvar-local ,MODE-set-explicitly nil) + (defun ,MODE-set-explicitly () + (setq ,MODE-set-explicitly t)) + (put ',MODE-set-explicitly 'definition-name ',global-mode) + + ;; A function which checks whether MODE has been disabled in the major + ;; mode hook which has just been run. + (add-hook ',minor-MODE-hook ',MODE-set-explicitly) + ;; List of buffers left to process. (defvar ,MODE-buffers nil) @@ -424,14 +444,14 @@ See `%s' for more information on %s." (dolist (buf ,MODE-buffers) (when (buffer-live-p buf) (with-current-buffer buf - (unless (eq ,MODE-major-mode major-mode) - (if ,mode - (progn - (,mode -1) - (,turn-on) - (setq ,MODE-major-mode major-mode)) - (,turn-on) - (setq ,MODE-major-mode major-mode))))))) + (unless ,MODE-set-explicitly + (unless (eq ,MODE-major-mode major-mode) + (if ,mode + (progn + (,mode -1) + (,turn-on)) + (,turn-on)))) + (setq ,MODE-major-mode major-mode))))) (put ',MODE-enable-in-buffers 'definition-name ',global-mode) (defun ,MODE-check-buffers () @@ -450,18 +470,9 @@ See `%s' for more information on %s." ;;; easy-mmode-defmap ;;; -(eval-and-compile - (if (fboundp 'set-keymap-parents) - (defalias 'easy-mmode-set-keymap-parents 'set-keymap-parents) - (defun easy-mmode-set-keymap-parents (m parents) - (set-keymap-parent - m - (cond - ((not (consp parents)) parents) - ((not (cdr parents)) (car parents)) - (t (let ((m (copy-keymap (pop parents)))) - (easy-mmode-set-keymap-parents m parents) - m))))))) +(defun easy-mmode-set-keymap-parents (m parents) + (set-keymap-parent + m (if (cdr parents) (make-composed-keymap parents) (car parents)))) ;;;###autoload (defun easy-mmode-define-keymap (bs &optional name m args) |