Synch up with main trunk, and prepare the release 2.12.0.
[elisp/wanderlust.git] / wl / wl-message.el
index ac3802a..1592ddc 100644 (file)
 
 (defvar wl-message-buffer nil) ; message buffer.
 
-(defvar wl-message-buffer-cur-summary-buffer nil)
 (defvar wl-message-buffer-cur-folder nil)
 (defvar wl-message-buffer-cur-number nil)
-(defvar wl-message-buffer-cur-flag nil)
+(defvar wl-message-buffer-cur-display-type nil)
 (defvar wl-message-buffer-cur-summary-buffer nil)
+(defvar wl-message-buffer-require-all-header nil)
 (defvar wl-message-buffer-original-buffer nil) ; original buffer.
-(defvar wl-message-buffer-all-header-flag nil)
 (defvar wl-message-buffer-mode-line-formatter nil)
+(defvar wl-message-buffer-flag-indicator nil)
 
 (make-variable-buffer-local 'wl-message-buffer-cur-folder)
 (make-variable-buffer-local 'wl-message-buffer-cur-number)
-(make-variable-buffer-local 'wl-message-buffer-cur-flag)
+(make-variable-buffer-local 'wl-message-buffer-cur-display-type)
 (make-variable-buffer-local 'wl-message-buffer-cur-summary-buffer)
+(make-variable-buffer-local 'wl-message-buffer-require-all-header)
 (make-variable-buffer-local 'wl-message-buffer-original-buffer)
-(make-variable-buffer-local 'wl-message-buffer-all-header-flag)
 (make-variable-buffer-local 'wl-message-buffer-mode-line-formatter)
+(make-variable-buffer-local 'wl-message-buffer-flag-indicator)
 
 (defvar wl-fixed-window-configuration nil)
 
@@ -117,7 +118,7 @@ With association ((\"folder\" message \"message-id\") . cache-buffer).")
   "A major mode for original message buffer."
   (setq major-mode 'wl-original-message-mode)
   (setq buffer-read-only t)
-  (elmo-set-buffer-multibyte nil)
+  (set-buffer-multibyte nil)
   (setq mode-name "Wanderlust original message"))
 
 (defun wl-original-message-buffer-get (name)
@@ -337,15 +338,18 @@ Returns non-nil if bottom of message."
   (setq mode-name "Message"))
 
 (defun wl-message-exit ()
-  "Move to summary buffer."
+  "Move to summary buffer or mother buffer."
   (interactive)
-  (let (summary-buf summary-win)
-    (if (setq summary-buf wl-message-buffer-cur-summary-buffer)
-       (if (setq summary-win (get-buffer-window summary-buf))
-           (select-window summary-win)
-         (switch-to-buffer summary-buf)
-         (wl-message-select-buffer wl-message-buffer)
-         (select-window (get-buffer-window summary-buf))))
+  (let (summary-buf summary-win mother-buffer)
+    (cond ((setq summary-buf wl-message-buffer-cur-summary-buffer)
+          (if (setq summary-win (get-buffer-window summary-buf))
+              (select-window summary-win)
+            (switch-to-buffer summary-buf)
+            (wl-message-select-buffer wl-message-buffer)
+            (select-window (get-buffer-window summary-buf))))
+         ((setq mother-buffer mime-mother-buffer)
+          (kill-buffer (current-buffer))
+          (switch-to-buffer mother-buffer)))
     (run-hooks 'wl-message-exit-hook)))
 
 (defun wl-message-toggle-disp-summary ()
@@ -414,22 +418,52 @@ Returns non-nil if bottom of message."
               (nth 3 entry) (match-string (nth 4 entry))))
            (goto-char end)))))))
 
-(defun wl-message-redisplay (folder number flag &optional force-reload)
+;; display-type object definition.
+(defun wl-message-make-display-type (mime header)
+  (let (symbol)
+    (prog1
+       (setq symbol (intern (format "%s-%s-header" mime header)))
+      (put symbol
+          'wl-message-display-type
+          (list :mime mime :header header)))))
+
+(defun wl-message-display-type-property (display-type prop)
+  (plist-get (get display-type 'wl-message-display-type) prop))
+
+(defun wl-message-mime-analysis-p (display-type &optional header-or-body)
+  (let ((mode (wl-message-display-type-property display-type :mime)))
+    (case header-or-body
+      (header
+       (memq mode '(mime header-only)))
+      (t
+       (eq mode 'mime)))))
+
+(defun wl-message-display-all-header-p (display-type)
+  (eq (wl-message-display-type-property display-type :header) 'all))
+
+(defun wl-message-buffer-display-type (&optional message-buffer)
+  (if message-buffer
+      (with-current-buffer message-buffer
+       wl-message-buffer-cur-display-type)
+    wl-message-buffer-cur-display-type))
+
+(defun wl-message-redisplay (folder number display-type &optional force-reload)
   (let* ((default-mime-charset wl-mime-charset)
         (buffer-read-only nil)
         (summary-buf (current-buffer))
         message-buf
         strategy entity
         cache-used
-        summary-win delim)
+        summary-win delim flags)
     (setq buffer-read-only nil)
     (setq cache-used (wl-message-buffer-display
-                     folder number flag force-reload))
+                     folder number display-type force-reload))
     (setq wl-message-buffer (car cache-used))
     (setq message-buf wl-message-buffer)
     (wl-message-select-buffer wl-message-buffer)
 
     (set-buffer message-buf)
+    (wl-deactivate-region)
     (make-local-variable 'truncate-partial-width-windows)
     (setq truncate-partial-width-windows nil)
     (setq truncate-lines wl-message-truncate-lines)
@@ -437,6 +471,33 @@ Returns non-nil if bottom of message."
     (setq wl-message-buffer-cur-summary-buffer summary-buf)
     (setq wl-message-buffer-cur-folder (elmo-folder-name-internal folder))
     (setq wl-message-buffer-cur-number number)
+    (setq wl-message-buffer-flag-indicator
+         (if (setq flags (elmo-get-global-flags (elmo-message-flags
+                                                 folder number)))
+             (let ((fl wl-summary-flag-alist)
+                   flag-strings flag-string face)
+               (while fl
+                 (when (memq (car (car fl)) flags)
+                   (setq flag-string (capitalize
+                                      (symbol-name (car (car fl))))
+                         flags (delq (car (car fl)) flags))
+                   (when (facep (setq face
+                                      (intern
+                                       (format
+                                        "wl-highlight-summary-%s-flag-face"
+                                        (car (car fl))))))
+                     (put-text-property 0 (length flag-string)
+                                        'face face flag-string))
+                   (setq flag-strings (nconc flag-strings
+                                             (list flag-string))))
+                 (setq fl (cdr fl)))
+               (setq flag-strings
+                     (nconc flag-strings
+                            (mapcar (lambda (flag)
+                                      (capitalize (symbol-name flag)))
+                                    flags)))
+               (concat " (" (mapconcat 'identity flag-strings ", ") ")"))
+           ""))
     (wl-line-formatter-setup
      wl-message-buffer-mode-line-formatter
      wl-message-mode-line-format
@@ -452,7 +513,8 @@ Returns non-nil if bottom of message."
     (when (re-search-forward "^$" nil t)
       (wl-message-add-buttons-to-header (point-min) (point))
       (wl-message-add-buttons-to-body (point) (point-max)))
-    (when wl-message-use-header-narrowing
+    (when (and wl-message-use-header-narrowing
+              (not (wl-message-display-all-header-p display-type)))
       (wl-message-header-narrowing))
     (goto-char (point-min))
     (ignore-errors (run-hooks 'wl-message-redisplay-hook))
@@ -466,7 +528,7 @@ Returns non-nil if bottom of message."
     cache-used))
 
 ;; Use message buffer cache.
-(defun wl-message-buffer-display (folder number flag
+(defun wl-message-buffer-display (folder number display-type
                                         &optional force-reload unread)
   (let* ((msg-id (ignore-errors (elmo-message-field folder number
                                                    'message-id)))
@@ -489,7 +551,7 @@ Returns non-nil if bottom of message."
            (widen)
            (goto-char (point-min))
            (ignore-errors (wl-message-narrow-to-page))
-           (unless (eq wl-message-buffer-cur-flag flag)
+           (unless (eq wl-message-buffer-cur-display-type display-type)
              (setq read t))))
       ;; delete tail and add new to the top.
       (setq hit (wl-message-buffer-cache-add (list fname number msg-id)))
@@ -500,9 +562,9 @@ Returns non-nil if bottom of message."
              (set-buffer hit)
              (setq
               cache-used
-              (wl-message-display-internal folder number flag
+              (wl-message-display-internal folder number display-type
                                            force-reload unread))
-             (setq wl-message-buffer-cur-flag flag))
+             (setq wl-message-buffer-cur-display-type display-type))
          (quit
           (wl-message-buffer-cache-delete)
           (error "Display message %s/%s is quitted" fname number))
@@ -512,34 +574,39 @@ Returns non-nil if bottom of message."
           nil))) ;; will not be used
     (cons hit cache-used)))
 
-(defun wl-message-display-internal (folder number flag
+(defun wl-message-display-internal (folder number display-type
                                           &optional force-reload unread)
   (let ((default-mime-charset wl-mime-charset)
        (elmo-mime-charset wl-mime-charset))
-    (setq wl-message-buffer-all-header-flag (eq flag 'all-header))
+    (setq wl-message-buffer-require-all-header
+         (wl-message-display-all-header-p display-type))
     (prog1
-       (if (eq flag 'as-is)
-           (let (wl-highlight-x-face-function)
-             (prog1 (elmo-mime-display-as-is folder number
-                                             (current-buffer)
-                                             (wl-message-get-original-buffer)
-                                             'wl-original-message-mode
-                                             force-reload
-                                             unread
-                                             (wl-message-define-keymap))
-               (let (buffer-read-only)
-                 (wl-highlight-message (point-min) (point-max) t))))
-         (elmo-mime-message-display folder number
-                                    (current-buffer)
-                                    (wl-message-get-original-buffer)
-                                    'wl-original-message-mode
-                                    force-reload
-                                    unread
-                                    (wl-message-define-keymap)))
+       (if (wl-message-mime-analysis-p display-type)
+           (elmo-mime-message-display folder number
+                                      (current-buffer)
+                                      (wl-message-get-original-buffer)
+                                      'wl-original-message-mode
+                                      force-reload
+                                      unread
+                                      (wl-message-define-keymap))
+         (let* ((elmo-mime-display-header-analysis
+                 (wl-message-mime-analysis-p display-type 'header))
+                (wl-highlight-x-face-function
+                 (and elmo-mime-display-header-analysis
+                      wl-highlight-x-face-function)))
+           (prog1 (elmo-mime-display-as-is folder number
+                                           (current-buffer)
+                                           (wl-message-get-original-buffer)
+                                           'wl-original-message-mode
+                                           force-reload
+                                           unread
+                                           (wl-message-define-keymap))
+             (let (buffer-read-only)
+               (wl-highlight-message (point-min) (point-max) t)))))
       (run-hooks 'wl-message-display-internal-hook)
       (setq buffer-read-only t))))
 
-(defsubst wl-message-buffer-prefetch-p (folder &optional number)
+(defun wl-message-buffer-prefetch-p (folder &optional number)
   (and (or (not number)
           (elmo-message-file-p folder number)
           (let ((size (elmo-message-field folder number 'size)))
@@ -651,6 +718,9 @@ Returns non-nil if bottom of message."
                   (key (list (elmo-folder-name-internal folder)
                              number message-id))
                   (hit (wl-message-buffer-cache-hit key))
+                  (display-type (wl-message-make-display-type
+                                 wl-summary-buffer-display-mime-mode
+                                 wl-summary-buffer-display-header-mode))
                   result time1 time2 sec micro)
              (when wl-message-buffer-prefetch-debug
                (message "%d: count %d, hit %s" number count (buffer-name hit)))
@@ -668,7 +738,7 @@ Returns non-nil if bottom of message."
                  (setq time1 (current-time))
                  (message "Prefetching %d..." number))
                (setq result (wl-message-buffer-display
-                             folder number 'mime nil 'unread))
+                             folder number display-type nil 'unread))
                (when wl-message-buffer-prefetch-debug
                  (setq time2 (current-time))
                  (setq sec  (- (nth 1 time2)(nth 1 time1)))
@@ -831,7 +901,7 @@ Returns non-nil if bottom of message."
     (select-window (posn-window (event-start event)))
     (let* ((win (selected-window))
           (wpos (window-start win))
-          (pos (posn-point (event-start event)))
+          (pos (mouse-set-point event))
           (ovs (overlays-in (1- pos) (1+ pos)))        ;; Uum...
           ov)
       (while (and ovs (not (overlayp ov)))