gnus-notifications: add actions support

[gnus] / lisp / gnus-cite.el

diff --git a/lisp/gnus-cite.el b/lisp/gnus-cite.el
index 7419ced..d107dfa 100644 (file)
--- a/lisp/gnus-cite.el
+++ b/lisp/gnus-cite.el
@@ -1,7 +1,6 @@
 ;;; gnus-cite.el --- parse citations in articles for Gnus
 
-;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
-;;   2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2012 Free Software Foundation, Inc.
 
 ;; Author: Per Abhiddenware
 
@@ -510,16 +509,22 @@ Lines matching `gnus-cite-attribution-suffix' and perhaps
          (if (and (equal (cdadr m) "")
                   (equal (cdar m) (cdaddr m))
                   (goto-char (caadr m))
+                  (looking-at "[ \t]*$")
                   (forward-line 1)
                   (= (point) (caaddr m)))
              (setcdr m (cdddr m))
            (setq m (cdr m))))
        marks))))
 
-(defun gnus-article-fill-cited-article (&optional force width)
+(defun gnus-article-fill-cited-long-lines ()
+  (gnus-article-fill-cited-article nil t))
+
+(defun gnus-article-fill-cited-article (&optional width long-lines)
   "Do word wrapping in the current article.
-If WIDTH (the numerical prefix), use that text width when filling."
-  (interactive (list t current-prefix-arg))
+If WIDTH (the numerical prefix), use that text width when
+filling.  If LONG-LINES, only fill sections that have lines
+longer than the frame width."
+  (interactive "P")
   (with-current-buffer gnus-article-buffer
     (let ((buffer-read-only nil)
          (inhibit-point-motion-hooks t)
@@ -535,8 +540,24 @@ If WIDTH (the numerical prefix), use that text width when filling."
                (fill-prefix
                 (if (string= (cdar marks) "") ""
                   (concat (cdar marks) " ")))
+               (do-fill (not long-lines))
                use-hard-newlines)
-           (fill-region (point-min) (point-max)))
+           (unless do-fill
+             (setq do-fill (gnus-article-foldable-buffer (cdar marks))))
+           ;; Note: the XEmacs version of `fill-region' inserts a newline
+           ;; unless the region ends with a newline.
+           (when do-fill
+             (if (not long-lines)
+                 (fill-region (point-min) (point-max))
+               (goto-char (point-min))
+               (while (not (eobp))
+                 (end-of-line)
+                 (when (prog1
+                           (> (current-column) (window-width))
+                         (forward-line 1))
+                   (save-restriction
+                     (narrow-to-region (line-beginning-position 0) (point))
+                     (fill-region (point-min) (point-max))))))))
          (set-marker (caar marks) nil)
          (setq marks (cdr marks)))
        (when marks
@@ -548,23 +569,28 @@ If WIDTH (the numerical prefix), use that text width when filling."
              gnus-cite-loose-attribution-alist nil
              gnus-cite-article nil)))))
 
-(defun gnus-article-natural-long-line-p ()
-  "Return true if the current line is long, and it's natural text."
-  (save-excursion
-    (beginning-of-line)
-    (and
-     ;; The line is long.
-     (> (- (line-end-position) (line-beginning-position))
-       (frame-width))
-     ;; It doesn't start with spaces.
-     (not (looking-at "    "))
-     ;; Not cited text.
-     (let ((line-number (1+ (count-lines (point-min) (point))))
-          citep)
-       (dolist (elem gnus-cite-prefix-alist)
-        (when (member line-number (cdr elem))
-          (setq citep t)))
-       (not citep)))))
+(defun gnus-article-foldable-buffer (prefix)
+  (let ((do-fill nil)
+       columns)
+    (goto-char (point-min))
+    (while (not (eobp))
+      (unless (> (length prefix) (- (point-max) (point)))
+       (forward-char (length prefix)))
+      (skip-chars-forward " \t")
+      (unless (eolp)
+       (let ((elem (assq (current-column) columns)))
+         (unless elem
+           (setq elem (cons (current-column) 0))
+           (push elem columns))
+         (setcdr elem (1+ (cdr elem)))))
+      (end-of-line)
+      (when (> (current-column) (window-width))
+       (setq do-fill t))
+      (forward-line 1))
+    (and do-fill
+        ;; We know know that there are long lines here, but does this look
+        ;; like code?  Check for ragged edges on the left.
+        (< (length columns) 3))))
 
 (defun gnus-article-hide-citation (&optional arg force)
   "Toggle hiding of all cited text except attribution lines.
@@ -1138,18 +1164,6 @@ See also the documentation for `gnus-article-highlight-citation'."
     (while vars
       (make-local-variable (pop vars)))))
 
-(defun gnus-cited-line-p ()
-  "Say whether the current line is a cited line."
-  (save-excursion
-    (beginning-of-line)
-    (let ((found nil))
-      (dolist (prefix (mapcar 'car gnus-cite-prefix-alist))
-       (when (string= (buffer-substring (point) (+ (length prefix) (point)))
-                      prefix)
-         (setq found t)))
-      found)))
-
-
 ;; Highlighting of different citation levels in message-mode.
 ;; - message-cite-prefix will be overridden if this is enabled.
 
@@ -1199,13 +1213,8 @@ Returns nil if there is no such line before LIMIT, t otherwise."
     (autoload 'font-lock-set-defaults "font-lock")))
 
 (define-minor-mode gnus-message-citation-mode
-  "Toggle `gnus-message-citation-mode' in current buffer.
-This buffer local minor mode provides additional font-lock support for
-nested citations.
-With prefix ARG, turn `gnus-message-citation-mode' on if and only if ARG
-is positive.
-Automatically turn `font-lock-mode' on when `gnus-message-citation-mode'
-is turned on."
+  "Minor mode providing more font-lock support for nested citations.
+When enabled, it automatically turns on `font-lock-mode'."
   nil ;; init-value
   "" ;; lighter
   nil ;; keymap