From 4fd1058baf2f44f302bb60503d1bce6b72b5c1e9 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Sun, 21 Jul 2013 01:06:30 +0200
Subject: Extended persistent marks

---
 wl | 64 ++++++++++++++++++++++++++++++++++++++++++----------------------
 1 file changed, 42 insertions(+), 22 deletions(-)

diff --git a/wl b/wl
index 49a001f..8db1e06 100644
--- a/wl
+++ b/wl
@@ -1,4 +1,5 @@
 (setq frame-title-format '("" "Wanderlust"))
+(setq icon-title-format '("" "Wanderlust"))
 
 (setq elmo-imap4-default-server "mail.universe-factory.net"
       elmo-imap4-default-user "mschiffer@universe-factory.net"
@@ -32,46 +33,65 @@
 
 (setq elmo-folder-update-threshold nil)
 
+(column-number-mode t)
+(show-paren-mode t)
+
 (defadvice wl-summary-mode (after wl-summary-mode-nobidi)
   (setq bidi-display-reordering nil))
 (ad-activate 'wl-summary-mode)
 
-;; (defun wl-summary-update-persistent-mark (number)
-;;   (wl-summary-rescan-message number)
-;;   t)
 
-;; (defun wl-summary-persistent-mark-invalid-p () t)
+(defun extended-persistent-mark-string (status)
+  (let ((flags (elmo-message-status-flags status))
+	(cached (elmo-message-status-cached-p status)))
+    (concat
+     (cond ((memq 'killed flags) "X")
+	   ((memq 'flag flags) "$")
+	   ((memq 'new flags) "N")
+	   ((memq 'unread flags) "u")
+	   (t " "))
+     (if (memq 'answered flags) wl-summary-answered-cached-mark " ")
+     (if (memq 'forwarded flags) "f" " "))))
+(defun extended-persistent-mark ()
+  (extended-persistent-mark-string wl-status))
 
-;; (defun extended-persistent-mark ()
-;;   (let ((flags (elmo-message-status-flags wl-status))
-;; 	(cached (elmo-message-status-cached-p wl-status)))
-;;     (concat
-;;      (cond ((memq 'killed flags) "X")
-;; 	   ((memq 'flag flags) "$")
-;; 	   ((memq 'new flags) "N")
-;; 	   ((memq 'unread flags) "u")
-;; 	   (t " "))
-;;      (if (memq 'answered flags) wl-summary-answered-cached-mark " ")
-;;      (if (memq 'forwarded flags) "f" " "))))
-(defun extended-persistent-mark () (or wl-persistent-mark " "))
-;;(defun extended-persistent-mark () " ")
+(defun wl-summary-update-persistent-mark (&optional number)
+  "Synch up persistent mark of current line with msgdb's.
+Return non-nil if the mark is updated"
+  (interactive)
+  (let ((status (wl-summary-message-status number)))
+    (prog1
+	(save-excursion
+	  (move-to-column 9)
+	  (let ((inhibit-read-only t)
+		(buffer-read-only nil)
+		(mark (buffer-substring (- (point) 3) (point)))
+		(new-mark (extended-persistent-mark-string status)))
+	    (prog1
+		(unless (string= new-mark mark)
+		  (delete-char -3)
+		  (insert new-mark)
+		  (wl-summary-set-message-modified)
+		  t)
+	      (wl-summary-validate-persistent-mark (point-at-bol)
+						   (point-at-eol)))))
+      (when wl-summary-highlight
+	(wl-highlight-summary-current-line number status))
+      (set-buffer-modified-p nil))))
 
 (add-to-list 'wl-summary-line-format-spec-alist '(?X (extended-persistent-mark)))
 (setq wl-summary-line-format "%n%T%X %Y/%M/%D (%W) %h:%m %t%[%25(%c %f%) %] %s")
 
-(defadvice wl-message-buffer-display (before wl-message-buffer-display-unread)
+(defadvice wl-message-buffer-display (before wl-message-buffer-display-unread activate)
   (setq unread t))
-(ad-activate 'wl-message-buffer-display)
-
 
 (defadvice elmo-folder-unset-flag (before elmo-folder-unset-flag-nounread (folder numbers flag
 										  &optional is-local))
   (when (eq flag 'unread) (setq flag 'new)))
 
-(defadvice wl-summary-redisplay-internal (around wl-summary-redisplay-internal-unread)
+(defadvice wl-summary-redisplay-internal (around wl-summary-redisplay-internal-unread activate)
   (unwind-protect
       (progn
 	(ad-activate 'elmo-folder-unset-flag)
 	ad-do-it)
     (ad-deactivate 'elmo-folder-unset-flag)))
-(ad-activate 'wl-summary-redisplay-internal)
-- 
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