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[Emacs-diffs] /srv/bzr/emacs/trunk r101182: Fix some bugs. New version 1


From: Vinicius Jose Latorre
Subject: [Emacs-diffs] /srv/bzr/emacs/trunk r101182: Fix some bugs. New version 13.1.
Date: Tue, 24 Aug 2010 23:27:58 -0300
User-agent: Bazaar (2.0.3)

------------------------------------------------------------
revno: 101182
committer: Vinicius Jose Latorre  <address@hidden
branch nick: trunk
timestamp: Tue 2010-08-24 23:27:58 -0300
message:
  Fix some bugs.  New version 13.1.
modified:
  lisp/ChangeLog
  lisp/whitespace.el
=== modified file 'lisp/ChangeLog'
--- a/lisp/ChangeLog    2010-08-24 21:36:33 +0000
+++ b/lisp/ChangeLog    2010-08-25 02:27:58 +0000
@@ -1,3 +1,22 @@
+2010-08-24  Vinicius Jose Latorre  <address@hidden>
+
+       * whitespace.el: Allow cleaning up blanks without blank
+       visualization (Bug#6651).  Adjust help window for
+       whitespace-toggle-options (Bug#6479).  Allow to use fill-column
+       instead of whitespace-line-column (from EmacsWiki).  New version
+       13.1.
+       (whitespace-style): Added new value 'face.  Adjust docstring.
+       (whitespace-space, whitespace-hspace, whitespace-tab): Adjust
+       foreground property face.
+       (whitespace-line-column): Adjust docstring and type declaration.
+       (whitespace-style-value-list, whitespace-toggle-option-alist)
+       (whitespace-help-text): Adjust const initialization.
+       (whitespace-toggle-options, global-whitespace-toggle-options):
+       Adjust docstring.
+       (whitespace-display-window, whitespace-interactive-char)
+       (whitespace-style-face-p, whitespace-color-on): Adjust code.
+       (whitespace-help-scroll): New fun.
+
 2010-08-24  Chong Yidong  <address@hidden>
 
        * emacs-lisp/package.el (list-packages): Alias for
@@ -164,7 +183,7 @@
        (whitespace-post-command-hook, whitespace-display-char-on):
        Adjust code.
        (whitespace-looking-back, whitespace-buffer-changed): New funs.
-       (whitespace-space-regexp, whitespace-tab-regexp): Eliminate funs.
+       (whitespace-space-regexp, whitespace-tab-regexp): Fun eliminated.
 
 2010-08-19  Stefan Monnier  <address@hidden>
 

=== modified file 'lisp/whitespace.el'
--- a/lisp/whitespace.el        2010-08-22 20:02:16 +0000
+++ b/lisp/whitespace.el        2010-08-25 02:27:58 +0000
@@ -6,7 +6,7 @@
 ;; Author: Vinicius Jose Latorre <address@hidden>
 ;; Maintainer: Vinicius Jose Latorre <address@hidden>
 ;; Keywords: data, wp
-;; Version: 13.0
+;; Version: 13.1
 ;; X-URL: http://www.emacswiki.org/cgi-bin/wiki/ViniciusJoseLatorre
 
 ;; This file is part of GNU Emacs.
@@ -382,19 +382,28 @@
 
 
 (defcustom whitespace-style
-  '(tabs spaces trailing lines space-before-tab newline
-        indentation empty space-after-tab
-        space-mark tab-mark newline-mark)
+  '(face
+    tabs spaces trailing lines space-before-tab newline
+    indentation empty space-after-tab
+    space-mark tab-mark newline-mark)
   "Specify which kind of blank is visualized.
 
 It's a list containing some or all of the following values:
 
+   face                        enable all visualization via faces (see below).
+
    trailing            trailing blanks are visualized via faces.
+                       It has effect only if `face' (see above)
+                       is present in `whitespace-style'.
 
    tabs                        TABs are visualized via faces.
+                       It has effect only if `face' (see above)
+                       is present in `whitespace-style'.
 
    spaces              SPACEs and HARD SPACEs are visualized via
                        faces.
+                       It has effect only if `face' (see above)
+                       is present in `whitespace-style'.
 
    lines               lines which have columns beyond
                        `whitespace-line-column' are highlighted via
@@ -402,6 +411,8 @@
                        Whole line is highlighted.
                        It has precedence over `lines-tail' (see
                        below).
+                       It has effect only if `face' (see above)
+                       is present in `whitespace-style'.
 
    lines-tail          lines which have columns beyond
                        `whitespace-line-column' are highlighted via
@@ -409,45 +420,69 @@
                        But only the part of line which goes
                        beyond `whitespace-line-column' column.
                        It has effect only if `lines' (see above)
-                       is not present in `whitespace-style'.
+                       is not present in `whitespace-style'
+                       and if `face' (see above) is present in
+                       `whitespace-style'.
 
    newline             NEWLINEs are visualized via faces.
+                       It has effect only if `face' (see above)
+                       is present in `whitespace-style'.
 
    empty               empty lines at beginning and/or end of buffer
                        are visualized via faces.
+                       It has effect only if `face' (see above)
+                       is present in `whitespace-style'.
 
    indentation::tab    8 or more SPACEs at beginning of line are
                        visualized via faces.
+                       It has effect only if `face' (see above)
+                       is present in `whitespace-style'.
 
    indentation::space  TABs at beginning of line are visualized via
                        faces.
+                       It has effect only if `face' (see above)
+                       is present in `whitespace-style'.
 
    indentation         8 or more SPACEs at beginning of line are
                        visualized, if `indent-tabs-mode' (which see)
                        is non-nil; otherwise, TABs at beginning of
                        line are visualized via faces.
+                       It has effect only if `face' (see above)
+                       is present in `whitespace-style'.
 
    space-after-tab::tab                8 or more SPACEs after a TAB are
                                visualized via faces.
+                               It has effect only if `face' (see above)
+                               is present in `whitespace-style'.
 
    space-after-tab::space      TABs are visualized when 8 or more
                                SPACEs occur after a TAB, via faces.
+                               It has effect only if `face' (see above)
+                               is present in `whitespace-style'.
 
    space-after-tab             8 or more SPACEs after a TAB are
                                visualized, if `indent-tabs-mode'
                                (which see) is non-nil; otherwise,
                                the TABs are visualized via faces.
+                               It has effect only if `face' (see above)
+                               is present in `whitespace-style'.
 
    space-before-tab::tab       SPACEs before TAB are visualized via
                                faces.
+                               It has effect only if `face' (see above)
+                               is present in `whitespace-style'.
 
    space-before-tab::space     TABs are visualized when SPACEs occur
                                before TAB, via faces.
+                               It has effect only if `face' (see above)
+                               is present in `whitespace-style'.
 
    space-before-tab            SPACEs before TAB are visualized, if
                                `indent-tabs-mode' (which see) is
                                non-nil; otherwise, the TABs are
                                visualized via faces.
+                               It has effect only if `face' (see above)
+                               is present in `whitespace-style'.
 
    space-mark          SPACEs and HARD SPACEs are visualized via
                        display table.
@@ -486,6 +521,11 @@
 included in `whitespace-style' list, the indentation value is
 evaluated instead of indentation::space value.
 
+One reason for not visualize spaces via faces (if `face' is not
+included in `whitespace-style') is to use exclusively for
+cleanning up a buffer.  See `whitespace-cleanup' and
+`whitespace-cleanup-region' for documentation.
+
 See also `whitespace-display-mappings' for documentation."
   :type '(repeat :tag "Kind of Blank"
                 (choice :tag "Kind of Blank Face"
@@ -521,9 +561,9 @@
 
 (defface whitespace-space
   '((((class color) (background dark))
-     (:background "grey20"      :foreground "aquamarine3"))
+     (:background "grey20"      :foreground "darkgray"))
     (((class color) (background light))
-     (:background "LightYellow" :foreground "aquamarine3"))
+     (:background "LightYellow" :foreground "lightgray"))
     (t (:inverse-video t)))
   "Face used to visualize SPACE."
   :group 'whitespace)
@@ -539,9 +579,9 @@
 
 (defface whitespace-hspace             ; 'nobreak-space
   '((((class color) (background dark))
-     (:background "grey24"        :foreground "aquamarine3"))
+     (:background "grey24"        :foreground "darkgray"))
     (((class color) (background light))
-     (:background "LemonChiffon3" :foreground "aquamarine3"))
+     (:background "LemonChiffon3" :foreground "lightgray"))
     (t (:inverse-video t)))
   "Face used to visualize HARD SPACE."
   :group 'whitespace)
@@ -557,9 +597,9 @@
 
 (defface whitespace-tab
   '((((class color) (background dark))
-     (:background "grey22" :foreground "aquamarine3"))
+     (:background "grey22" :foreground "darkgray"))
     (((class color) (background light))
-     (:background "beige"  :foreground "aquamarine3"))
+     (:background "beige"  :foreground "lightgray"))
     (t (:inverse-video t)))
   "Face used to visualize TAB."
   :group 'whitespace)
@@ -866,8 +906,13 @@
 (defcustom whitespace-line-column 80
   "Specify column beyond which the line is highlighted.
 
+It must be an integer or nil.  If nil, the `fill-column' variable value is
+used.
+
 Used when `whitespace-style' includes `lines' or `lines-tail'."
-  :type '(integer :tag "Line Length")
+  :type '(choice :tag "Line Length Limit"
+                (integer :tag "Line Length")
+                (const :tag "Use fill-column" nil))
   :group 'whitespace)
 
 
@@ -1151,7 +1196,8 @@
 
 
 (defconst whitespace-style-value-list
-  '(tabs
+  '(face
+    tabs
     spaces
     trailing
     lines
@@ -1176,7 +1222,8 @@
 
 
 (defconst whitespace-toggle-option-alist
-  '((?t    . tabs)
+  '((?f    . face)
+    (?t    . tabs)
     (?s    . spaces)
     (?r    . trailing)
     (?l    . lines)
@@ -1256,6 +1303,7 @@
 
   CHAR MEANING
   (VIA FACES)
+   f   toggle face visualization
    t   toggle TAB visualization
    s   toggle SPACE and HARD SPACE visualization
    r   toggle trailing blanks visualization
@@ -1284,6 +1332,7 @@
 Non-interactively, ARG should be a symbol or a list of symbols.
 The valid symbols are:
 
+   face                        toggle face visualization
    tabs                        toggle TAB visualization
    spaces              toggle SPACE and HARD SPACE visualization
    trailing            toggle trailing blanks visualization
@@ -1333,6 +1382,7 @@
 
   CHAR MEANING
   (VIA FACES)
+   f   toggle face visualization
    t   toggle TAB visualization
    s   toggle SPACE and HARD SPACE visualization
    r   toggle trailing blanks visualization
@@ -1361,6 +1411,7 @@
 Non-interactively, ARG should be a symbol or a list of symbols.
 The valid symbols are:
 
+   face                        toggle face visualization
    tabs                        toggle TAB visualization
    spaces              toggle SPACE and HARD SPACE visualization
    trailing            toggle trailing blanks visualization
@@ -1890,9 +1941,10 @@
 
 (defconst whitespace-help-text
   "\
- Whitespace Toggle Options
-
- FACES
+ Whitespace Toggle Options                  | scroll up  :  SPC   or > |
+                                            | scroll down:  M-SPC or < |
+ FACES                                      \\__________________________/
+ []  f   - toggle face visualization
  []  t   - toggle TAB visualization
  []  s   - toggle SPACE and HARD SPACE visualization
  []  r   - toggle trailing blanks visualization
@@ -1966,15 +2018,13 @@
   "Display BUFFER in a new window."
   (goto-char (point-min))
   (set-buffer-modified-p nil)
-  (let ((size (- (window-height)
-                (max window-min-height
-                     (1+ (count-lines (point-min)
-                                      (point-max)))))))
-    (when (<= size 0)
-      (kill-buffer buffer)
-      (error "Frame height is too small; \
+  (when (< (window-height) (* 2 window-min-height))
+    (kill-buffer buffer)
+    (error "Window height is too small; \
 can't split window to display whitespace toggle options"))
-    (set-window-buffer (split-window nil size) buffer)))
+  (let ((win (split-window)))
+    (set-window-buffer win buffer)
+    (shrink-window-if-larger-than-buffer win)))
 
 
 (defun whitespace-kill-buffer (buffer-name)
@@ -1990,6 +2040,24 @@
   (whitespace-kill-buffer whitespace-help-buffer-name))
 
 
+(defun whitespace-help-scroll (&optional up)
+  "Scroll help window, if it exists.
+
+If UP is non-nil, scroll up; otherwise, scroll down."
+  (condition-case data-help
+      (let ((buffer (get-buffer whitespace-help-buffer-name)))
+       (if buffer
+           (with-selected-window (get-buffer-window buffer)
+             (if up
+                 (scroll-up 3)
+               (scroll-down 3)))
+         (ding)))
+    ;; handler
+    ((error)
+     ;; just ignore error
+     )))
+
+
 (defun whitespace-interactive-char (local-p)
   "Interactive function to read a char and return a symbol.
 
@@ -2000,6 +2068,7 @@
 
   CHAR MEANING
   (VIA FACES)
+   f   toggle face visualization
    t   toggle TAB visualization
    s   toggle SPACE and HARD SPACE visualization
    r   toggle trailing blanks visualization
@@ -2049,9 +2118,13 @@
                         (cdr
                          (assq ch whitespace-toggle-option-alist)))))
              ;; while body
-             (if (eq ch ?\?)
-                 (whitespace-help-on style)
-               (ding)))
+             (cond
+              ((eq ch ?\?)   (whitespace-help-on style))
+              ((eq ch ?\ )   (whitespace-help-scroll t))
+              ((eq ch ?\M- ) (whitespace-help-scroll))
+              ((eq ch ?>)    (whitespace-help-scroll t))
+              ((eq ch ?<)    (whitespace-help-scroll))
+              (t             (ding))))
            (whitespace-help-off)
            (message " "))              ; clean echo area
        ;; handler
@@ -2130,22 +2203,23 @@
 
 (defun whitespace-style-face-p ()
   "Return t if there is some visualization via face."
-  (or (memq 'tabs                    whitespace-active-style)
-      (memq 'spaces                  whitespace-active-style)
-      (memq 'trailing                whitespace-active-style)
-      (memq 'lines                   whitespace-active-style)
-      (memq 'lines-tail              whitespace-active-style)
-      (memq 'newline                 whitespace-active-style)
-      (memq 'empty                   whitespace-active-style)
-      (memq 'indentation             whitespace-active-style)
-      (memq 'indentation::tab        whitespace-active-style)
-      (memq 'indentation::space      whitespace-active-style)
-      (memq 'space-after-tab         whitespace-active-style)
-      (memq 'space-after-tab::tab    whitespace-active-style)
-      (memq 'space-after-tab::space  whitespace-active-style)
-      (memq 'space-before-tab        whitespace-active-style)
-      (memq 'space-before-tab::tab   whitespace-active-style)
-      (memq 'space-before-tab::space whitespace-active-style)))
+  (and (memq 'face whitespace-active-style)
+       (or (memq 'tabs                    whitespace-active-style)
+          (memq 'spaces                  whitespace-active-style)
+          (memq 'trailing                whitespace-active-style)
+          (memq 'lines                   whitespace-active-style)
+          (memq 'lines-tail              whitespace-active-style)
+          (memq 'newline                 whitespace-active-style)
+          (memq 'empty                   whitespace-active-style)
+          (memq 'indentation             whitespace-active-style)
+          (memq 'indentation::tab        whitespace-active-style)
+          (memq 'indentation::space      whitespace-active-style)
+          (memq 'space-after-tab         whitespace-active-style)
+          (memq 'space-after-tab::tab    whitespace-active-style)
+          (memq 'space-after-tab::space  whitespace-active-style)
+          (memq 'space-before-tab        whitespace-active-style)
+          (memq 'space-before-tab::tab   whitespace-active-style)
+          (memq 'space-before-tab::space whitespace-active-style))))
 
 
 (defun whitespace-color-on ()
@@ -2203,14 +2277,16 @@
        (list
        ;; Show "long" lines
        (list
-        (format
-         "^\\([^\t\n]\\{%s\\}\\|[^\t\n]\\{0,%s\\}\t\\)\\{%d\\}%s\\(.+\\)$"
-         whitespace-tab-width (1- whitespace-tab-width)
-         (/ whitespace-line-column whitespace-tab-width)
-         (let ((rem (% whitespace-line-column whitespace-tab-width)))
-           (if (zerop rem)
-               ""
-             (format ".\\{%d\\}" rem))))
+        (let ((line-column (or whitespace-line-column fill-column)))
+          (format
+           "^\\([^\t\n]\\{%s\\}\\|[^\t\n]\\{0,%s\\}\t\\)\\{%d\\}%s\\(.+\\)$"
+           whitespace-tab-width
+           (1- whitespace-tab-width)
+           (/ line-column whitespace-tab-width)
+           (let ((rem (% line-column whitespace-tab-width)))
+             (if (zerop rem)
+                 ""
+               (format ".\\{%d\\}" rem)))))
         (if (memq 'lines whitespace-active-style)
             0                          ; whole line
           2)                           ; line tail


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