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[Emacs-diffs] /srv/bzr/emacs/emacs-24 r107929: picture.el small cleanup


From: Glenn Morris
Subject: [Emacs-diffs] /srv/bzr/emacs/emacs-24 r107929: picture.el small cleanup
Date: Fri, 02 Nov 2012 02:22:28 -0000
User-agent: Bazaar (2.5.0)

------------------------------------------------------------
revno: 107929
committer: Glenn Morris <address@hidden>
branch nick: trunk
timestamp: Mon 2012-04-16 14:53:06 -0400
message:
  picture.el small cleanup
  
  * lisp/textmodes/picture.el (picture-desired-column)
  (picture-update-desired-column): Convert comments to doc-strings.
  (picture-substitute): Remove function.
  (picture-mode-map): Initialize in the defvar.
modified:
  lisp/ChangeLog
  lisp/textmodes/picture.el
=== modified file 'lisp/ChangeLog'
--- a/lisp/ChangeLog    2012-04-16 18:46:46 +0000
+++ b/lisp/ChangeLog    2012-04-16 18:53:06 +0000
@@ -1,5 +1,10 @@
 2012-04-16  Glenn Morris  <address@hidden>
 
+       * textmodes/picture.el (picture-desired-column)
+       (picture-update-desired-column): Convert comments to doc-strings.
+       (picture-substitute): Remove function.
+       (picture-mode-map): Initialize in the defvar.
+
        * woman.el: Remove eval-after-load for tar-mode.
        * tar-mode.el (tar-mode-map): Add woman binding and menu entry.
        (woman-tar-extract-file): Autoload it.

=== modified file 'lisp/textmodes/picture.el'
--- a/lisp/textmodes/picture.el 2012-02-21 17:09:19 +0000
+++ b/lisp/textmodes/picture.el 2012-04-16 18:53:06 +0000
@@ -63,15 +63,17 @@
 
 ;; Picture Movement Commands
 
-;; When a cursor is on a wide-column character (e.g. Chinese,
-;; Japanese, Korean), this variable tells the desired current column
-;; which may be different from (current-column).
-(defvar picture-desired-column 0)
-
-;; If the value of picture-desired-column is far from the current
-;; column, or if the arg ADJUST-TO-CURRENT is non-nil, set it to the
-;; current column.   Return the current column.
+(defvar picture-desired-column 0
+  "Desired current column for Picture mode.
+When a cursor is on a wide-column character (e.g. Chinese,
+Japanese, Korean), this may may be different from `current-column'.")
+
+
 (defun picture-update-desired-column (adjust-to-current)
+  "Maybe update `picture-desired-column'.
+If the value of `picture-desired-column' is more than one column
+from `current-column', or if the argument ADJUST-TO-CURRENT is
+non-nil, set it to the current column.  Return `current-column'."
   (let ((current-column (current-column)))
     (if (or adjust-to-current
            (< picture-desired-column (1- current-column))
@@ -606,64 +608,61 @@
 
 (defalias 'picture-delete-char 'delete-char)
 
-(defvar picture-mode-map nil)
-
-(defun picture-substitute (oldfun newfun)
-  (define-key picture-mode-map (vector 'remap oldfun) newfun))
-
-(if (not picture-mode-map)
-    (progn
-      (setq picture-mode-map (make-keymap))
-      (picture-substitute 'self-insert-command 'picture-self-insert)
-      (picture-substitute 'completion-separator-self-insert-command
-                         'picture-self-insert)
-      (picture-substitute 'completion-separator-self-insert-autofilling
-                         'picture-self-insert)
-      (picture-substitute 'forward-char 'picture-forward-column)
-      (picture-substitute 'backward-char 'picture-backward-column)
-      (picture-substitute 'delete-char 'picture-clear-column)
-      ;; There are two possibilities for what is normally on DEL.
-      (picture-substitute 'backward-delete-char-untabify 
'picture-backward-clear-column)
-      (picture-substitute 'delete-backward-char 'picture-backward-clear-column)
-      (picture-substitute 'kill-line 'picture-clear-line)
-      (picture-substitute 'open-line 'picture-open-line)
-      (picture-substitute 'newline 'picture-newline)
-      (picture-substitute 'newline-and-indent 'picture-duplicate-line)
-      (picture-substitute 'next-line 'picture-move-down)
-      (picture-substitute 'previous-line 'picture-move-up)
-      (picture-substitute 'move-beginning-of-line 'picture-beginning-of-line)
-      (picture-substitute 'move-end-of-line 'picture-end-of-line)
-      (picture-substitute 'mouse-set-point 'picture-mouse-set-point)
-
-      (define-key picture-mode-map "\C-c\C-d" 'picture-delete-char)
-      (define-key picture-mode-map "\e\t" 'picture-toggle-tab-state)
-      (define-key picture-mode-map "\t" 'picture-tab)
-      (define-key picture-mode-map "\e\t" 'picture-tab-search)
-      (define-key picture-mode-map "\C-c\t" 'picture-set-tab-stops)
-      (define-key picture-mode-map "\C-c\C-k" 'picture-clear-rectangle)
-      (define-key picture-mode-map "\C-c\C-w" 
'picture-clear-rectangle-to-register)
-      (define-key picture-mode-map "\C-c\C-y" 'picture-yank-rectangle)
-      (define-key picture-mode-map "\C-c\C-x" 
'picture-yank-rectangle-from-register)
-      (define-key picture-mode-map "\C-c\C-r" 'picture-draw-rectangle)
-      (define-key picture-mode-map "\C-c\C-c" 'picture-mode-exit)
-      (define-key picture-mode-map "\C-c\C-f" 'picture-motion)
-      (define-key picture-mode-map "\C-c\C-b" 'picture-motion-reverse)
-      (define-key picture-mode-map "\C-c<" 'picture-movement-left)
-      (define-key picture-mode-map "\C-c>" 'picture-movement-right)
-      (define-key picture-mode-map "\C-c^" 'picture-movement-up)
-      (define-key picture-mode-map "\C-c." 'picture-movement-down)
-      (define-key picture-mode-map "\C-c`" 'picture-movement-nw)
-      (define-key picture-mode-map "\C-c'" 'picture-movement-ne)
-      (define-key picture-mode-map "\C-c/" 'picture-movement-sw)
-      (define-key picture-mode-map "\C-c\\" 'picture-movement-se)
-      (define-key picture-mode-map [(control ?c) left]  'picture-movement-left)
-      (define-key picture-mode-map [(control ?c) right] 
'picture-movement-right)
-      (define-key picture-mode-map [(control ?c) up]    'picture-movement-up)
-      (define-key picture-mode-map [(control ?c) down]  'picture-movement-down)
-      (define-key picture-mode-map [(control ?c) home]  'picture-movement-nw)
-      (define-key picture-mode-map [(control ?c) prior] 'picture-movement-ne)
-      (define-key picture-mode-map [(control ?c) end]   'picture-movement-sw)
-      (define-key picture-mode-map [(control ?c) next]  'picture-movement-se)))
+(defvar picture-mode-map
+  (let ((map (make-keymap)))
+    (define-key map [remap self-insert-command] 'picture-self-insert)
+    (define-key map [remap self-insert-command] 'picture-self-insert)
+    (define-key map [remap completion-separator-self-insert-command]
+      'picture-self-insert)
+    (define-key map [remap completion-separator-self-insert-autofilling]
+      'picture-self-insert)
+    (define-key map [remap forward-char] 'picture-forward-column)
+    (define-key map [remap backward-char] 'picture-backward-column)
+    (define-key map [remap delete-char] 'picture-clear-column)
+    ;; There are two possibilities for what is normally on DEL.
+    (define-key map [remap backward-delete-char-untabify]
+      'picture-backward-clear-column)
+    (define-key map [remap delete-backward-char] 
'picture-backward-clear-column)
+    (define-key map [remap kill-line] 'picture-clear-line)
+    (define-key map [remap open-line] 'picture-open-line)
+    (define-key map [remap newline] 'picture-newline)
+    (define-key map [remap newline-and-indent] 'picture-duplicate-line)
+    (define-key map [remap next-line] 'picture-move-down)
+    (define-key map [remap previous-line] 'picture-move-up)
+    (define-key map [remap move-beginning-of-line] 'picture-beginning-of-line)
+    (define-key map [remap move-end-of-line] 'picture-end-of-line)
+    (define-key map [remap mouse-set-point] 'picture-mouse-set-point)
+    (define-key map "\C-c\C-d" 'picture-delete-char)
+    (define-key map "\e\t" 'picture-toggle-tab-state)
+    (define-key map "\t" 'picture-tab)
+    (define-key map "\e\t" 'picture-tab-search)
+    (define-key map "\C-c\t" 'picture-set-tab-stops)
+    (define-key map "\C-c\C-k" 'picture-clear-rectangle)
+    (define-key map "\C-c\C-w" 'picture-clear-rectangle-to-register)
+    (define-key map "\C-c\C-y" 'picture-yank-rectangle)
+    (define-key map "\C-c\C-x" 'picture-yank-rectangle-from-register)
+    (define-key map "\C-c\C-r" 'picture-draw-rectangle)
+    (define-key map "\C-c\C-c" 'picture-mode-exit)
+    (define-key map "\C-c\C-f" 'picture-motion)
+    (define-key map "\C-c\C-b" 'picture-motion-reverse)
+    (define-key map "\C-c<" 'picture-movement-left)
+    (define-key map "\C-c>" 'picture-movement-right)
+    (define-key map "\C-c^" 'picture-movement-up)
+    (define-key map "\C-c." 'picture-movement-down)
+    (define-key map "\C-c`" 'picture-movement-nw)
+    (define-key map "\C-c'" 'picture-movement-ne)
+    (define-key map "\C-c/" 'picture-movement-sw)
+    (define-key map "\C-c\\" 'picture-movement-se)
+    (define-key map [(control ?c) left]  'picture-movement-left)
+    (define-key map [(control ?c) right] 'picture-movement-right)
+    (define-key map [(control ?c) up]    'picture-movement-up)
+    (define-key map [(control ?c) down]  'picture-movement-down)
+    (define-key map [(control ?c) home]  'picture-movement-nw)
+    (define-key map [(control ?c) prior] 'picture-movement-ne)
+    (define-key map [(control ?c) end]   'picture-movement-sw)
+    (define-key map [(control ?c) next]  'picture-movement-se)
+    map)
+  "Keymap used in `picture-mode'.")
 
 (defcustom picture-mode-hook nil
   "If non-nil, its value is called on entry to Picture mode.


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