dynwind fixes

[bpt/emacs.git] / lisp / ruler-mode.el

diff --git a/lisp/ruler-mode.el b/lisp/ruler-mode.el
index 533a428..de31f2e 100644 (file)
--- a/lisp/ruler-mode.el
+++ b/lisp/ruler-mode.el
@@ -1,7 +1,6 @@
 ;;; ruler-mode.el --- display a ruler in the header line
 
-;; Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007,
-;;   2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+;; Copyright (C) 2001-2014 Free Software Foundation, Inc.
 
 ;; Author: David Ponce <david@dponce.com>
 ;; Maintainer: David Ponce <david@dponce.com>
@@ -138,8 +137,8 @@ or remove a tab stop.  \\[ruler-mode-toggle-show-tab-stops] or
                     (format "Invalid character value: %S" value))
         widget))))
 
-(defcustom ruler-mode-fill-column-char (if (char-displayable-p ?¶)
-                                           ?\¶
+(defcustom ruler-mode-fill-column-char (if (char-displayable-p ?¶)
+                                           ?\¶
                                          ?\|)
   "Character used at the `fill-column' location."
   :group 'ruler-mode
@@ -164,8 +163,8 @@ or remove a tab stop.  \\[ruler-mode-toggle-show-tab-stops] or
           (integer :tag "Integer char value"
                    :validate ruler-mode-character-validate)))
 
-(defcustom ruler-mode-current-column-char (if (char-displayable-p ?¦)
-                                              ?\¦
+(defcustom ruler-mode-current-column-char (if (char-displayable-p ?¦)
+                                              ?\¦
                                             ?\@)
   "Character used at the `current-column' location."
   :group 'ruler-mode
@@ -307,7 +306,6 @@ or remove a tab stop.  \\[ruler-mode-toggle-show-tab-stops] or
   "Return a column number relative to the selected window.
 N is a column number relative to selected frame."
   (- n
-     (car (window-edges))
      (or (car (window-margins)) 0)
      (fringe-columns 'left)
      (scroll-bar-columns 'left)))
@@ -322,7 +320,7 @@ START-EVENT is the mouse click event."
     (when (eq start end) ;; mouse click
       (save-selected-window
         (select-window (posn-window start))
-        (setq col (- (car (posn-col-row start)) (car (window-edges))
+        (setq col (- (car (posn-col-row start))
                      (scroll-bar-columns 'left))
               w   (- (ruler-mode-full-window-width)
                      (scroll-bar-columns 'left)
@@ -344,7 +342,7 @@ START-EVENT is the mouse click event."
     (when (eq start end) ;; mouse click
       (save-selected-window
         (select-window (posn-window start))
-        (setq col (- (car (posn-col-row start)) (car (window-edges))
+        (setq col (- (car (posn-col-row start))
                      (scroll-bar-columns 'left))
               w   (- (ruler-mode-full-window-width)
                      (scroll-bar-columns 'left)
@@ -478,8 +476,9 @@ START-EVENT is the mouse click event."
                (not (member ts tab-stop-list))
                (progn
                  (message "Tab stop set to %d" ts)
-                 (setq tab-stop-list (sort (cons ts tab-stop-list)
-                                           #'<)))))))))
+                 (when (null tab-stop-list)
+                   (setq tab-stop-list (indent-accumulate-tab-stops (1- ts))))
+                 (setq tab-stop-list (sort (cons ts tab-stop-list) #'<)))))))))
 
 (defun ruler-mode-mouse-del-tab-stop (start-event)
   "Delete tab stop at the graduation where the mouse pointer is on.
@@ -568,8 +567,10 @@ format first."
 
 ;;;###autoload
 (define-minor-mode ruler-mode
-  "Toggle Ruler mode.
-In Ruler mode, Emacs displays a ruler in the header line."
+  "Toggle display of ruler in header line (Ruler mode).
+With a prefix argument ARG, enable Ruler mode if ARG is positive,
+and disable it otherwise.  If called from Lisp, enable the mode
+if ARG is omitted or nil."
   nil nil
   ruler-mode-map
   :group 'ruler-mode
@@ -753,7 +754,7 @@ Optional argument PROPS specifies other text properties to apply."
          i (1+ i) 'help-echo ruler-mode-fill-column-help-echo
          ruler))
        ;; Show the `tab-stop-list' markers.
-       ((and ruler-mode-show-tab-stops (member j tab-stop-list))
+       ((and ruler-mode-show-tab-stops (= j (indent-next-tab-stop (1- j))))
         (aset ruler i ruler-mode-tab-stop-char)
         (put-text-property
          i (1+ i) 'face 'ruler-mode-tab-stop
@@ -773,7 +774,7 @@ Optional argument PROPS specifies other text properties to apply."
 (provide 'ruler-mode)
 
 ;; Local Variables:
-;; coding: iso-latin-1
+;; coding: utf-8
 ;; End:
 
 ;;; ruler-mode.el ends here