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[Emacs-diffs] /srv/bzr/emacs/trunk r112647: Use octave-help-mode for the
From: |
Leo Liu |
Subject: |
[Emacs-diffs] /srv/bzr/emacs/trunk r112647: Use octave-help-mode for the Octave Help buffer |
Date: |
Tue, 21 May 2013 06:52:40 +0800 |
User-agent: |
Bazaar (2.6b2) |
------------------------------------------------------------
revno: 112647
committer: Leo Liu <address@hidden>
branch nick: trunk
timestamp: Tue 2013-05-21 06:52:40 +0800
message:
Use octave-help-mode for the Octave Help buffer
modified:
lisp/ChangeLog
lisp/progmodes/octave.el
=== modified file 'lisp/ChangeLog'
--- a/lisp/ChangeLog 2013-05-20 07:45:58 +0000
+++ b/lisp/ChangeLog 2013-05-20 22:52:40 +0000
@@ -1,3 +1,10 @@
+2013-05-20 Leo Liu <address@hidden>
+
+ * progmodes/octave.el (octave-help-mode-map)
+ (octave-help-mode-finish-hook): New variables.
+ (octave-help-mode, octave-help-mode-finish): New functions.
+ (octave-help): Use octave-help-mode.
+
2013-05-20 Glenn Morris <address@hidden>
* format-spec.el (format-spec): Allow spec chars with nil. (Bug#14420)
=== modified file 'lisp/progmodes/octave.el'
--- a/lisp/progmodes/octave.el 2013-05-18 03:17:35 +0000
+++ b/lisp/progmodes/octave.el 2013-05-20 22:52:40 +0000
@@ -1587,14 +1587,54 @@
(octave-help
(buffer-substring (button-start b) (button-end b)))))
-(defvar help-xref-following)
+(defvar octave-help-mode-map
+ (let ((map (make-sparse-keymap)))
+ (define-key map "\M-." 'octave-find-definition)
+ (define-key map "\C-hd" 'octave-help)
+ map))
+
+(define-derived-mode octave-help-mode help-mode "OctHelp"
+ "Major mode for displaying Octave documentation."
+ :abbrev-table nil
+ :syntax-table octave-mode-syntax-table
+ (eval-and-compile (require 'help-mode))
+ ;; Mostly stolen from `help-make-xrefs'.
+ (let ((inhibit-read-only t))
+ (setq-local info-lookup-mode 'octave-mode)
+ ;; Delete extraneous newlines at the end of the docstring
+ (goto-char (point-max))
+ (while (and (not (bobp)) (bolp))
+ (delete-char -1))
+ (insert "\n")
+ (when (or help-xref-stack help-xref-forward-stack)
+ (insert "\n"))
+ (when help-xref-stack
+ (help-insert-xref-button help-back-label 'help-back
+ (current-buffer)))
+ (when help-xref-forward-stack
+ (when help-xref-stack
+ (insert "\t"))
+ (help-insert-xref-button help-forward-label 'help-forward
+ (current-buffer)))
+ (when (or help-xref-stack help-xref-forward-stack)
+ (insert "\n"))))
+
+(defvar octave-help-mode-finish-hook nil
+ "Octave specific hook for `temp-buffer-show-hook'.")
+
+(defun octave-help-mode-finish ()
+ (when (eq major-mode 'octave-help-mode)
+ (run-hooks 'octave-help-mode-finish-hook)))
+
+(add-hook 'temp-buffer-show-hook 'octave-help-mode-finish)
(defun octave-help (fn)
"Display the documentation of FN."
(interactive (list (octave-completing-read)))
(inferior-octave-send-list-and-digest
(list (format "help \"%s\"\n" fn)))
- (let ((lines inferior-octave-output-list))
+ (let ((lines inferior-octave-output-list)
+ (inhibit-read-only t))
(when (string-match "error: \\(.*\\)$" (car lines))
(error "%s" (match-string 1 (car lines))))
(with-help-window octave-help-buffer
@@ -1605,7 +1645,6 @@
(let ((help-xref-following t))
(help-setup-xref (list 'octave-help fn)
(called-interactively-p 'interactive)))
- (setq-local info-lookup-mode 'octave-mode)
;; Note: can be turned off by suppress_verbose_help_message.
;;
;; Remove boring trailing text: Additional help for built-in functions
@@ -1631,7 +1670,8 @@
(while (re-search-forward "\\_<\\(?:\\sw\\|\\s_\\)+\\_>" nil t)
(make-text-button (match-beginning 0)
(match-end 0)
- :type 'octave-help-function))))))))
+ :type 'octave-help-function))))
+ (octave-help-mode)))))
(defcustom octave-source-directories nil
"A list of directories for Octave sources.
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