-;;; wl-message.el -- Message displaying modules for Wanderlust.
+;;; wl-message.el --- Message displaying modules for Wanderlust.
;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
;;
;;; Commentary:
-;;
+;;
;;; Code:
-;;
+;;
+(eval-when-compile (require 'cl))
+(eval-when-compile (require 'static))
(require 'wl-vars)
(require 'wl-highlight)
+(require 'elmo)
+(require 'elmo-mime)
+(require 'timer)
(eval-when-compile
- (if wl-use-semi
- (progn
- (require 'wl-mime)
- (require 'mime-view)
- (require 'mmelmo-imap4))
- (require 'tm-wl))
+ (require 'wl-mime)
+ (require 'mime-view)
(defalias-maybe 'event-window 'ignore)
(defalias-maybe 'posn-window 'ignore)
(defalias-maybe 'event-start 'ignore)
- (defalias-maybe 'mime-open-entity 'ignore))
+ (defalias-maybe 'mime-open-entity 'ignore)
+ (defalias-maybe 'itimer-function 'ignore)
+ (defalias-maybe 'delete-itimer 'ignore)
+ (defvar-maybe itimer-list))
-(defvar wl-original-buf-name "*Message*")
-(defvar wl-message-buf-name "Message")
-(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-prefetch-get-next-function
+ 'wl-summary-default-get-next-msg)
-(defvar wl-original-buffer-cur-folder nil)
-(defvar wl-original-buffer-cur-number nil)
-(defvar wl-original-buffer-cur-msgdb nil)
+(defvar wl-message-buffer-prefetch-debug nil)
-(defvar mmelmo-imap4-skipped-parts)
+(defvar wl-message-buffer nil) ; message buffer.
+
+(defvar wl-message-buffer-cur-folder nil)
+(defvar wl-message-buffer-cur-number 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-mode-line-formatter nil)
+(defvar wl-message-buffer-flag-indicator nil)
+(defvar wl-message-buffer-mime-entity 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-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-mode-line-formatter)
+(make-variable-buffer-local 'wl-message-buffer-flag-indicator)
+(make-variable-buffer-local 'wl-message-buffer-mime-entity)
(defvar wl-fixed-window-configuration nil)
+(defvar wl-message-buffer-cache-size 10) ; At least 1.
+
+;;; Message buffer cache.
+
+(defvar wl-message-buffer-cache nil
+ "Message cache. (old ... new) order alist.
+With association ((\"folder\" message \"message-id\") . cache-buffer).")
+
+(defmacro wl-message-buffer-cache-buffer-get (entry)
+ `(cdr ,entry))
+
+(defmacro wl-message-buffer-cache-folder-get (entry)
+ `(car (car ,entry)))
+
+(defmacro wl-message-buffer-cache-message-get (entry)
+ `(cdr (car ,entry)))
+
+(defmacro wl-message-buffer-cache-entry-make (key buf)
+ `(cons ,key ,buf))
+
+(defmacro wl-message-buffer-cache-hit (key)
+ "Return value assosiated with key."
+ `(wl-message-buffer-cache-buffer-get
+ (assoc ,key wl-message-buffer-cache)))
+
+(defun wl-message-buffer-cache-sort (entry)
+ "Move ENTRY to the top of `wl-message-buffer-cache'."
+ (setq wl-message-buffer-cache
+ (cons entry (delete entry wl-message-buffer-cache))))
+;;; (let* ((pointer (cons nil wl-message-buffer-cache))
+;;; (top pointer))
+;;; (while (cdr pointer)
+;;; (if (equal (car (cdr pointer)) entry)
+;;; (setcdr pointer (cdr (cdr pointer)))
+;;; (setq pointer (cdr pointer))))
+;;; (setcdr pointer (list entry))
+;;; (setq wl-message-buffer-cache (cdr top))))
+
+(defconst wl-original-message-buffer-name " *Original*")
+
+(defun wl-original-message-mode ()
+ "A major mode for original message buffer."
+ (setq major-mode 'wl-original-message-mode)
+ (setq buffer-read-only t)
+ (set-buffer-multibyte nil)
+ (setq mode-name "Wanderlust original message"))
+
+(defun wl-original-message-buffer-get (name)
+ "Get original message buffer for NAME.
+If original message buffer already exists, it is re-used."
+ (let* ((name (concat wl-original-message-buffer-name name))
+ (buffer (get-buffer name)))
+ (unless (and buffer (buffer-live-p buffer))
+ (with-current-buffer (setq buffer (get-buffer-create name))
+ (wl-original-message-mode)))
+ buffer))
+
+(defun wl-message-buffer-create ()
+ "Create a new message buffer."
+ (let* ((buffer (generate-new-buffer wl-message-buffer-name))
+ (name (buffer-name buffer)))
+ (with-current-buffer buffer
+ (setq wl-message-buffer-original-buffer
+ (wl-original-message-buffer-get name))
+ (when wl-message-use-header-narrowing
+ (wl-message-header-narrowing-setup))
+ (run-hooks 'wl-message-buffer-created-hook))
+ buffer))
+
+(defun wl-message-buffer-cache-add (key)
+ "Add (KEY . buf) to the top of `wl-message-buffer-cache'.
+Return its cache buffer."
+ (let ((len (length wl-message-buffer-cache))
+ (buf nil))
+ (if (< len wl-message-buffer-cache-size)
+ (setq buf (wl-message-buffer-create))
+ (let ((entry (nth (1- len) wl-message-buffer-cache)))
+ (if (buffer-live-p
+ (setq buf (wl-message-buffer-cache-buffer-get entry)))
+ (setcdr (nthcdr (- len 2) wl-message-buffer-cache) nil)
+ (setq wl-message-buffer-cache (delq entry wl-message-buffer-cache))
+ (setq buf (wl-message-buffer-create)))))
+ (setq wl-message-buffer-cache
+ (cons (wl-message-buffer-cache-entry-make key buf)
+ wl-message-buffer-cache))
+ buf))
+
+(defun wl-message-buffer-cache-delete (&optional key)
+ "Delete the most recent cache entry"
+ (if key
+ (setq wl-message-buffer-cache
+ (delq (assoc key wl-message-buffer-cache)
+ wl-message-buffer-cache))
+ (let ((buf (wl-message-buffer-cache-buffer-get
+ (car wl-message-buffer-cache))))
+ (setq wl-message-buffer-cache
+ (nconc (cdr wl-message-buffer-cache)
+ (list (wl-message-buffer-cache-entry-make nil buf)))))))
+
+(defun wl-message-buffer-cache-clean-up ()
+ "A function to flush all decoded messages in cache list."
+ (interactive)
+ (if (and (eq major-mode 'wl-summary-mode)
+ wl-message-buffer
+ (get-buffer-window wl-message-buffer))
+ (delete-window (get-buffer-window wl-message-buffer)))
+ (wl-kill-buffers (regexp-quote wl-message-buffer-name))
+ (setq wl-message-buffer-cache nil))
+
+;;; Message buffer handling from summary buffer.
+
(defun wl-message-buffer-window ()
- (let* ((mes-buf (concat "^" (default-value 'wl-message-buf-name)))
- (start-win (selected-window))
+ "Get message buffer window if any."
+ (let* ((start-win (selected-window))
(cur-win start-win))
(catch 'found
(while (progn
(setq cur-win (next-window cur-win))
- (if (string-match mes-buf (buffer-name (window-buffer cur-win)))
- (throw 'found cur-win))
+ (with-current-buffer (window-buffer cur-win)
+ (if (or (eq major-mode 'wl-message-mode)
+ (eq major-mode 'mime-view-mode))
+ (throw 'found cur-win)))
(not (eq cur-win start-win)))))))
-(defun wl-select-buffer (buffer)
- (let ((gbw (or (get-buffer-window buffer)
- (wl-message-buffer-window)))
+(defun wl-message-select-buffer (buffer)
+ "Select BUFFER as a message buffer."
+ (let ((window (get-buffer-window buffer))
(sum (car wl-message-window-size))
(mes (cdr wl-message-window-size))
whi)
- (when (and gbw
- (not (eq (save-excursion (set-buffer (window-buffer gbw))
- wl-message-buffer-cur-summary-buffer)
+ (when (and window
+ (not (eq (with-current-buffer (window-buffer window)
+ wl-message-buffer-cur-summary-buffer)
(current-buffer))))
- (delete-window gbw)
+ (delete-window window)
(run-hooks 'wl-message-window-deleted-hook)
- (setq gbw nil))
- (if gbw
- (select-window gbw)
-;;; (if (or (null mes)
-;;; wl-stay-folder-window)
-;;; (delete-other-windows))
+ (setq window nil))
+ (if window
+ (select-window window)
(when wl-fixed-window-configuration
- (delete-other-windows)
- (and wl-stay-folder-window
- (wl-summary-toggle-disp-folder)))
- (setq whi (1- (window-height)))
- (if mes
- (progn
- (let ((total (+ sum mes)))
- (setq sum (max window-min-height (/ (* whi sum) total)))
- (setq mes (max window-min-height (/ (* whi mes) total))))
- (if (< whi (+ sum mes))
- (enlarge-window (- (+ sum mes) whi)))))
- (split-window (get-buffer-window (current-buffer)) sum)
- (other-window 1))
+ (delete-other-windows)
+ (and wl-stay-folder-window
+ (wl-summary-toggle-disp-folder)))
+ ;; There's no buffer window. Search for message window and snatch it.
+ (if (setq window (wl-message-buffer-window))
+ (select-window window)
+ (setq whi (1- (window-height)))
+ (if mes
+ (progn
+ (let ((total (+ sum mes)))
+ (setq sum (max window-min-height (/ (* whi sum) total)))
+ (setq mes (max window-min-height (/ (* whi mes) total))))
+ (if (< whi (+ sum mes))
+ (enlarge-window (- (+ sum mes) whi)))))
+ (split-window (get-buffer-window (current-buffer)) sum)
+ (other-window 1)))
(switch-to-buffer buffer)))
-;;
-;; called by wl-summary-mode buffer
-;;
-(defvar wl-message-func-called-hook nil)
-
-(defun wl-message-scroll-down (amount)
- (let ((view-message-buffer (get-buffer-create wl-message-buf-name))
- (cur-buf (current-buffer)))
- (wl-select-buffer view-message-buffer)
- (if (bobp)
- ()
- (scroll-down))
- (select-window (get-buffer-window cur-buf))))
-
-(defun wl-message-scroll-up (amount)
- (let ((view-message-buffer (get-buffer-create wl-message-buf-name))
- (cur-buf (current-buffer)))
- (wl-select-buffer view-message-buffer)
- (save-excursion
- (save-restriction
- (widen)
- (forward-page 1)
- (if (pos-visible-in-window-p (point))
- (wl-message-narrow-to-page 1)))) ; Go to next page.
- (if (eobp)
- ()
- (scroll-up))
- (select-window (get-buffer-window cur-buf))))
-
-(defun wl-message-follow-current-entity (buffer)
- "Follow to current message."
- (wl-draft-reply (wl-message-get-original-buffer)
- nil wl-message-buffer-cur-summary-buffer) ; reply to all
- (let ((mail-reply-buffer buffer))
- (wl-draft-yank-from-mail-reply-buffer nil)))
-
-(defun wl-message-original-mode ()
- (setq major-mode 'wl-message-original-mode)
- (setq mode-name "Original")
- (setq buffer-read-only t)
- (if (fboundp 'set-buffer-file-coding-system)
- (set-buffer-file-coding-system wl-cs-noconv)))
-
-(defun wl-message-mode ()
- (interactive)
- (setq major-mode 'wl-message-mode)
- (setq buffer-read-only t)
- (setq mode-name "Message"))
-
-(defun wl-message-get-buffer-create ()
- (let ((buf-name wl-message-buf-name))
- (or (get-buffer buf-name)
- (save-excursion
- (set-buffer (get-buffer-create buf-name))
- (wl-message-mode)
- (run-hooks 'wl-message-buffer-created-hook)
- (get-buffer buf-name)))))
-
-(defun wl-message-original-get-buffer-create ()
- (or (get-buffer wl-original-buf-name)
- (save-excursion
- (set-buffer (get-buffer-create wl-original-buf-name))
- (wl-message-original-mode)
- (get-buffer wl-original-buf-name))))
-
-(defun wl-message-exit ()
- (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-select-buffer wl-message-buf-name)
- (select-window (get-buffer-window summary-buf))))
- (run-hooks 'wl-message-exit-hook)))
-
-(defvar wl-message-mode-map nil)
-(if wl-message-mode-map
- ()
- (setq wl-message-mode-map (make-sparse-keymap))
- (define-key wl-message-mode-map "q" 'wl-message-exit)
- (define-key wl-message-mode-map "n" 'wl-message-exit)
- (define-key wl-message-mode-map "p" 'wl-message-exit))
-
-(defun wl-message-decode (outbuf inbuf flag)
- (cond
- ((eq flag 'all-header)
- (save-excursion
- (set-buffer inbuf)
- (let ((buffer-read-only nil))
- (decode-mime-charset-region (point-min)
- (save-excursion
- (goto-char (point-min))
- (re-search-forward "^$" nil t)
- (point))
- wl-mime-charset)))
- (wl-message-decode-with-all-header outbuf inbuf))
- ((eq flag 'no-mime)
- (save-excursion
- (set-buffer inbuf)
- (let ((buffer-read-only nil))
- (save-excursion
- (set-buffer outbuf)
- (elmo-set-buffer-multibyte nil))
- (copy-to-buffer outbuf (point-min) (point-max))
- (set-buffer outbuf)
- (use-local-map wl-message-mode-map)
- (elmo-set-buffer-multibyte default-enable-multibyte-characters)
-;;; (decode-mime-charset-region (point-min) (point-max) wl-mime-charset)
- ;; we can call decode-coding-region() directly, because multibyte flag is t.
- (decode-coding-region (point-min) (point-max) wl-cs-autoconv)
- (wl-highlight-message (point-min)
- (save-excursion
- (goto-char (point-min))
- (re-search-forward "^$" nil t)) nil))))
- (t ; normal
- (save-excursion
- (set-buffer inbuf)
- (let ((buffer-read-only nil))
- (decode-mime-charset-region (point-min)
- (save-excursion
- (goto-char (point-min))
- (re-search-forward "^$" nil t)
- (point))
- wl-mime-charset)))
- (wl-message-decode-mode outbuf inbuf))))
-
-(defun wl-message-prev-page (&optional lines)
- "Scroll down this message. Returns non-nil if top of message."
- (interactive)
- (let ((cur-buf (current-buffer))
- (view-message-buffer (get-buffer-create wl-message-buf-name))
- ret-val)
- (wl-select-buffer view-message-buffer)
- (move-to-window-line 0)
- (if (and wl-break-pages
- (bobp)
- (not (save-restriction (widen) (bobp))))
- (progn
- (wl-message-narrow-to-page -1)
- (goto-char (point-max))
- (recenter -1))
- (if (not (bobp))
- (scroll-down lines)
- (setq ret-val t)))
- (select-window (get-buffer-window cur-buf))
- ret-val))
-
-(static-if (fboundp 'luna-make-entity)
- (defsubst wl-message-make-mime-entity (backend number backend folder msgdb)
- (luna-make-entity (mm-expand-class-name 'elmo)
- :location (get-buffer-create
- (concat mmelmo-entity-buffer-name "0"))
- :imap (eq backend 'elmo-imap4)
- :folder folder
- :number number
- :msgdb msgdb :size 0))
- (defsubst wl-message-make-mime-entity (backend number backend folder msgdb)
- (mime-open-entity backend (list folder number msgdb nil))))
-
-(defun wl-message-next-page (&optional lines)
- "Scroll up this message. Returns non-nil if bottom of message."
- (interactive)
- (let ((cur-buf (current-buffer))
- (view-message-buffer (get-buffer-create wl-message-buf-name))
- ret-val)
- (wl-select-buffer view-message-buffer)
- (move-to-window-line -1)
- (if (save-excursion
- (end-of-line)
- (and (pos-visible-in-window-p)
- (eobp)))
- (if (or (null wl-break-pages)
- (save-excursion
- (save-restriction
- (widen) (forward-line) (eobp))))
- (setq ret-val t)
- (wl-message-narrow-to-page 1)
- (setq ret-val nil))
- (condition-case ()
- (static-if (boundp 'window-pixel-scroll-increment)
- ;; XEmacs 21.2.20 and later.
- (let (window-pixel-scroll-increment)
- (scroll-up lines))
- (scroll-up lines))
- (end-of-buffer
- (goto-char (point-max))))
- (setq ret-val nil))
- (select-window (get-buffer-window cur-buf))
- ret-val
- ))
-
(defun wl-message-narrow-to-page (&optional arg)
+ "Narrow to page.
+If ARG is specified, narrow to ARGth page."
(interactive "P")
(setq arg (if arg (prefix-numeric-value arg) 0))
(save-excursion
(condition-case ()
- (forward-page -1) ; Beginning of current page.
+ (forward-page -1) ; Beginning of current page.
(beginning-of-buffer
(goto-char (point-min))))
(forward-char 1) ; for compatibility with emacs-19.28 and emacs-19.29
(widen)
(cond
- ((> arg 0) (forward-page arg))
+ ((> arg 0) (forward-page arg))
((< arg 0) (forward-page (1- arg))))
(forward-page)
(if wl-break-pages
(forward-page -1)
(if (and (eolp) (not (bobp)))
(forward-line))
- (point)))) ))
+ (point))))))
+
+(defun wl-message-prev-page (&optional lines)
+ "Scroll down current message by LINES.
+Returns non-nil if top of message."
+ (interactive)
+ (let (top real-top)
+ (save-selected-window
+ (unless (eq major-mode 'mime-view-mode)
+ (when (buffer-live-p wl-message-buffer)
+ (wl-message-select-buffer wl-message-buffer)))
+ (move-to-window-line 0)
+ (if (and wl-break-pages
+ (bobp)
+ (not (setq real-top (save-restriction (widen) (bobp)))))
+ (progn
+ (wl-message-narrow-to-page -1)
+ (goto-char (point-max))
+ (recenter))
+ (if (not (bobp))
+ (condition-case nil
+ (scroll-down (or lines wl-message-scroll-amount))
+ (error))
+ (setq top t)))
+ (if real-top
+ (let ((f (assq (mime-preview-original-major-mode)
+ mime-preview-over-to-previous-method-alist)))
+ (if f (funcall (cdr f))))))
+ top))
+
+(defun wl-message-next-page (&optional lines)
+ "Scroll up current message by LINES.
+Returns non-nil if bottom of message."
+ (interactive)
+ (let (bottom)
+ (save-selected-window
+ (unless (eq major-mode 'mime-view-mode)
+ (when (buffer-live-p wl-message-buffer)
+ (wl-message-select-buffer wl-message-buffer)))
+ (move-to-window-line -1)
+ (if (save-excursion
+ (end-of-line)
+ (and (pos-visible-in-window-p)
+ (eobp)))
+ (if (or (null wl-break-pages)
+ (save-excursion
+ (save-restriction
+ (widen) (forward-line) (eobp))))
+ (setq bottom t)
+ (wl-message-narrow-to-page 1)
+ (setq bottom nil))
+ (condition-case ()
+ (static-if (boundp 'window-pixel-scroll-increment)
+ ;; XEmacs 21.2.20 and later.
+ (let (window-pixel-scroll-increment)
+ (scroll-up (or lines wl-message-scroll-amount)))
+ (scroll-up (or lines wl-message-scroll-amount)))
+ (end-of-buffer
+ (goto-char (point-max))))
+ (setq bottom nil))
+ (if (eobp)
+ (let ((f (assq (mime-preview-original-major-mode)
+ mime-preview-over-to-next-method-alist)))
+ (if f (funcall (cdr f))))))
+ bottom))
+
+
+(defun wl-message-follow-current-entity (buffer)
+ "Follow to current message."
+ (wl-draft-reply (wl-message-get-original-buffer)
+ nil wl-message-buffer-cur-summary-buffer) ; reply to all
+ (let ((mail-reply-buffer buffer))
+ (wl-draft-yank-from-mail-reply-buffer nil)))
+
+;;
+
+(defun wl-message-mode ()
+ "A major mode for message displaying."
+ (interactive)
+ (setq major-mode 'wl-message-mode)
+ (setq buffer-read-only t)
+ (setq mode-name "Message"))
+
+(defun wl-message-exit ()
+ "Move to summary buffer or mother buffer."
+ (interactive)
+ (let (summary-buf summary-win mother-buffer)
+ (cond ((setq summary-buf wl-message-buffer-cur-summary-buffer)
+ (unless (buffer-live-p summary-buf)
+ (error "Summary buffer not found: %s"
+ wl-message-buffer-cur-folder))
+ (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))
+ (when (buffer-live-p mother-buffer)
+ (switch-to-buffer mother-buffer))))
+ (run-hooks 'wl-message-exit-hook)))
(defun wl-message-toggle-disp-summary ()
(interactive)
(if (setq summary-win (get-buffer-window summary-buf))
(delete-window summary-win)
(switch-to-buffer summary-buf)
- (wl-select-buffer wl-message-buf-name))
+ (wl-message-select-buffer wl-message-buffer))
(wl-summary-goto-folder-subr wl-message-buffer-cur-folder 'no-sync
nil nil t)
- ; no summary-buf
+ ; no summary-buf
(let ((sum-buf (current-buffer)))
- (wl-select-buffer wl-message-buf-name)
+ (wl-message-select-buffer wl-message-buffer)
(setq wl-message-buffer-cur-summary-buffer sum-buf)))))
-(defun wl-message-normal-get-original-buffer ()
- (let ((ret-val (get-buffer wl-original-buf-name)))
- (if (not ret-val)
- (save-excursion
- (set-buffer (setq ret-val
- (get-buffer-create wl-original-buf-name)))
- (wl-message-original-mode)))
- ret-val))
-
-
-(if wl-use-semi
- (defalias 'wl-message-get-original-buffer
- 'mmelmo-get-original-buffer)
- (defalias 'wl-message-get-original-buffer
- 'wl-message-normal-get-original-buffer))
+(defun wl-message-get-original-buffer ()
+ "Get original buffer for current message buffer."
+ (if (buffer-live-p wl-message-buffer-original-buffer)
+ wl-message-buffer-original-buffer
+ (wl-original-message-buffer-get (buffer-name (current-buffer)))))
-(defvar wl-message-redisplay-func 'wl-normal-message-redisplay)
-(defvar wl-message-cache-used nil) ;whether cache is used or not.
-
-(defun wl-message-redisplay (folder number flag msgdb &optional force-reload)
- (let ((default-mime-charset wl-mime-charset)
- (buffer-read-only nil))
- (setq wl-message-cache-used nil)
- (if wl-message-redisplay-func
- (funcall wl-message-redisplay-func
- folder number flag msgdb force-reload))))
-
-;; nil means don't fetch all.
-(defun wl-message-decide-backend (folder number message-id size)
- (let ((dont-do-that (and
- (not (setq wl-message-cache-used
- (or
- (elmo-buffer-cache-hit
- (list folder number message-id))
- (elmo-cache-exists-p message-id
- folder number))))
- (integerp size)
- (not (elmo-local-file-p folder number))
- wl-fetch-confirm-threshold
- (>= size wl-fetch-confirm-threshold)
- (not (y-or-n-p
- (format "Fetch entire message? (%dbytes)"
- size))))))
- (message "")
- (cond ((and dont-do-that
- (eq (elmo-folder-number-get-type folder number) 'imap4)
- (not (and (elmo-use-cache-p folder number)
- (elmo-cache-exists-p message-id folder number))))
- 'elmo-imap4)
- (t (if (not dont-do-that) 'elmo)))))
-
-(defmacro wl-message-original-buffer-folder ()
- wl-original-buffer-cur-folder)
-
-(defmacro wl-message-original-buffer-number ()
- wl-original-buffer-cur-number)
-
-(defun wl-message-set-original-buffer-information (folder number)
- (when (or (not (string= folder (or wl-original-buffer-cur-folder "")))
- (not (eq number (or wl-original-buffer-cur-number 0))))
- (setq wl-original-buffer-cur-folder folder)
- (setq wl-original-buffer-cur-number number)))
-
-;; Works on FLIM-1.9.0/SEMI-1.8.2 or later (maybe).
-(defun wl-mmelmo-message-redisplay (folder number flag msgdb
- &optional force-reload)
- (let* ((cur-buf (current-buffer))
- (view-message-buffer (wl-message-get-buffer-create))
- (message-id (cdr (assq number
- (elmo-msgdb-get-number-alist msgdb))))
- (size (elmo-msgdb-overview-entity-get-size
- (elmo-msgdb-overview-get-entity number msgdb)))
- (backend (wl-message-decide-backend folder number message-id size))
- cur-entity ret-val header-end real-fld-num summary-win)
- (require 'mmelmo)
- (wl-select-buffer view-message-buffer)
- (set-buffer view-message-buffer)
- (unwind-protect
- (progn
- (setq wl-message-buffer-cur-summary-buffer cur-buf)
- (setq wl-message-buffer-cur-folder folder)
- (setq wl-message-buffer-cur-number number)
- (setq buffer-read-only nil)
- (erase-buffer)
- (if backend
- (let (mime-display-header-hook ;; bind to nil...
- (wl-message-ignored-field-list
- (if (eq flag 'all-header)
- nil
- wl-message-ignored-field-list))
- (mmelmo-force-reload force-reload)
- (mmelmo-imap4-threshold wl-fetch-confirm-threshold))
- (setq real-fld-num (elmo-get-real-folder-number
- folder number))
- (setq cur-entity
- (wl-message-make-mime-entity
- backend
- (if (eq backend 'elmo-imap4)
- (cdr real-fld-num)
- number)
- backend
- (if (eq backend 'elmo-imap4)
- (car real-fld-num)
- folder)
- msgdb))
- (setq mmelmo-imap4-skipped-parts nil)
- ;; mime-display-message sets buffer-read-only variable as t.
- ;; which makes buffer read-only status confused...
- (mime-display-message cur-entity view-message-buffer
- nil nil 'mmelmo-original-mode)
- (if mmelmo-imap4-skipped-parts
- (progn
- (message "Skipped fetching of %s."
- (mapconcat
- (lambda (x)
- (format "[%s]" x))
- mmelmo-imap4-skipped-parts ","))))
- (if (and (eq backend 'elmo-imap4)
- (null mmelmo-imap4-skipped-parts))
- (message "No required part was skipped."))
- (setq ret-val (not (eq backend 'elmo-imap4))))
- (message "Skipped fetching.")
- (setq ret-val nil)))
- (setq buffer-read-only nil)
- (wl-message-set-original-buffer-information folder number)
- (wl-message-overload-functions)
- ;; highlight body
- (when wl-highlight-body-too
- (wl-highlight-body))
- (condition-case ()
- (wl-message-narrow-to-page)
- (error nil));; ignore errors.
- (setq mode-line-buffer-identification
- (format "Wanderlust: << %s / %s >>"
- (if (memq 'modeline wl-use-folder-petname)
- (wl-folder-get-petname folder)
- folder) number))
- (goto-char (point-min))
- (unwind-protect
- (save-excursion
- (run-hooks 'wl-message-redisplay-hook))
- ;; go back to summary mode
- (set-buffer-modified-p nil)
- (setq buffer-read-only t)
- (set-buffer cur-buf)
- (setq summary-win (get-buffer-window cur-buf))
- (if (window-live-p summary-win)
- (select-window summary-win))))
- ret-val
- ))
-
-(defun wl-normal-message-redisplay (folder number flag msgdb
- &optional force-reload)
- (interactive)
- (let* ((cur-buf (current-buffer))
- (original-message-buffer (wl-message-get-original-buffer))
- (view-message-buffer (wl-message-get-buffer-create))
- (message-id (cdr (assq number
- (elmo-msgdb-get-number-alist msgdb))))
- (size (elmo-msgdb-overview-entity-get-size
- (elmo-msgdb-overview-get-entity number msgdb)))
- header-end ret-val summary-win)
- (wl-select-buffer view-message-buffer)
- (unwind-protect
+(defun wl-message-add-buttons-to-body (start end)
+ (save-excursion
+ (save-restriction
+ (narrow-to-region start end)
+ (let ((case-fold-search t)
+ (alist wl-message-body-button-alist)
+ entry)
+ (while alist
+ (setq entry (car alist)
+ alist (cdr alist))
+ (goto-char (point-min))
+ (while (re-search-forward (car entry) (+ (point) (nth 4 entry)) t)
+ (unless (get-text-property (point) 'keymap)
+ (wl-message-add-button
+ (match-beginning (nth 1 entry))
+ (match-end (nth 1 entry))
+ (nth 2 entry)
+ (match-string (nth 3 entry))))))))))
+
+(defun wl-message-add-buttons-to-header (start end)
+ (save-excursion
+ (save-restriction
+ (narrow-to-region start end)
+ (let ((case-fold-search t)
+ (alist wl-message-header-button-alist)
+ entry)
+ (while alist
+ (setq entry (car alist)
+ alist (cdr alist))
+ (goto-char (point-min))
+ (while (re-search-forward (car entry) nil t)
+ (setq start (match-beginning 0)
+ end (if (re-search-forward "^[^ \t]" nil t)
+ (match-beginning 0)
+ (point-max)))
+ (goto-char start)
+ (while (re-search-forward (nth 1 entry) end t)
+ (wl-message-add-button
+ (match-beginning (nth 2 entry))
+ (match-end (nth 2 entry))
+ (nth 3 entry) (match-string (nth 4 entry))))
+ (goto-char end)))))))
+
+;; 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-display-no-merge-p (display-type)
+ (eq (wl-message-display-type-property display-type :mime) 'no-merge))
+
+(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-flag-indicator (flags)
+ (let ((flags (elmo-get-global-flags flags)))
+ (if (null flags)
+ ""
+ (concat
+ " ("
+ (mapconcat
+ (lambda (flag)
+ (let ((indicator (capitalize (symbol-name flag)))
+ face)
+ (when (and (assq flag wl-summary-flag-alist)
+ (facep
+ (setq face (intern
+ (format "wl-highlight-summary-%s-flag-face"
+ flag)))))
+ (put-text-property 0 (length indicator) 'face face indicator))
+ indicator))
+ (sort flags
+ (lambda (l r)
+ (> (length (memq (assq l wl-summary-flag-alist)
+ wl-summary-flag-alist))
+ (length (memq (assq r wl-summary-flag-alist)
+ wl-summary-flag-alist)))))
+ ", ")
+ ")"))))
+
+(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 entity summary-win flags)
+ (setq buffer-read-only nil)
+ (setq wl-message-buffer (wl-message-buffer-display
+ folder number display-type force-reload))
+ (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)
+ (setq buffer-read-only nil)
+ (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
+ (wl-message-flag-indicator (elmo-message-flags folder number)))
+ (wl-line-formatter-setup
+ wl-message-buffer-mode-line-formatter
+ wl-message-mode-line-format
+ wl-message-mode-line-format-spec-alist)
+ (setq mode-line-buffer-identification
+ (funcall wl-message-buffer-mode-line-formatter))
+;;; ;; highlight body
+;;; (when wl-highlight-body-too
+;;; (wl-highlight-body))
+ (ignore-errors (wl-message-narrow-to-page))
+ (goto-char (point-min))
+ (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 (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))
+ ;; go back to summary mode
+ (set-buffer-modified-p nil)
+ (setq buffer-read-only t)
+ (set-buffer summary-buf)
+ (setq summary-win (get-buffer-window summary-buf))
+ (if (window-live-p summary-win)
+ (select-window summary-win))))
+
+;; Use message buffer cache.
+(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)))
+ (fname (elmo-folder-name-internal folder))
+ (hit (wl-message-buffer-cache-hit (list fname number msg-id)))
+ (redisplay nil)
+ entity)
+ (when (and hit (not (buffer-live-p hit)))
+ (wl-message-buffer-cache-delete (list fname number msg-id))
+ (setq hit nil))
+ (if hit
(progn
- (setq wl-message-buffer-cur-summary-buffer cur-buf)
- (setq wl-message-buffer-cur-folder folder)
- (setq wl-message-buffer-cur-number number)
- (setq buffer-read-only nil)
- (erase-buffer)
- (if (or (eq (elmo-folder-number-get-type folder number) 'localdir)
- (not (and (integerp size)
- wl-fetch-confirm-threshold
- (>= size wl-fetch-confirm-threshold)
- (not (elmo-cache-exists-p message-id
- folder number))
- (not (y-or-n-p
- (format "Fetch entire message? (%dbytes)"
- size))))))
- (progn
- (save-excursion
- (set-buffer original-message-buffer)
- (let ((buffer-read-only nil))
- (elmo-read-msg-with-buffer-cache
- folder number original-message-buffer msgdb force-reload)))
- ;; decode MIME message.
- (wl-message-decode
- view-message-buffer
- original-message-buffer flag)
- (setq ret-val t))
- (save-excursion
- (set-buffer view-message-buffer)
- (insert "\n\n"))))
- (setq buffer-read-only nil)
- (wl-message-set-original-buffer-information folder number)
- (wl-message-overload-functions)
- ;; highlight body
- (and wl-highlight-body-too (wl-highlight-body))
- (condition-case ()
- (wl-message-narrow-to-page)
- (error nil)) ; ignore errors.
- (setq mode-line-buffer-identification
- (format "Wanderlust: << %s / %s >>"
- (if (memq 'modeline wl-use-folder-petname)
- (wl-folder-get-petname folder)
- folder)
- number))
- (goto-char (point-min))
- (unwind-protect
- (run-hooks 'wl-message-redisplay-hook)
- ;; go back to summary mode
- (set-buffer-modified-p nil)
- (setq buffer-read-only t)
- (set-buffer cur-buf)
- (setq summary-win (get-buffer-window cur-buf))
- (if (window-live-p summary-win)
- (select-window summary-win)))
- ret-val
- )))
+ ;; move hit to the top.
+ (wl-message-buffer-cache-sort
+ (wl-message-buffer-cache-entry-make (list fname number msg-id) hit))
+ (with-current-buffer hit
+ ;; Rewind to the top page
+ (widen)
+ (goto-char (point-min))
+ (ignore-errors (wl-message-narrow-to-page))
+ (setq entity wl-message-buffer-mime-entity)
+ (unless (eq wl-message-buffer-cur-display-type display-type)
+ (setq redisplay t))))
+ ;; delete tail and add new to the top.
+ (setq hit (wl-message-buffer-cache-add (list fname number msg-id)))
+ (setq redisplay t))
+ (when (or force-reload redisplay)
+ (condition-case err
+ (with-current-buffer hit
+ (when (or force-reload
+ (null entity)
+ (not (elmo-mime-entity-display-p
+ entity
+ (if (wl-message-mime-analysis-p display-type)
+ 'mime
+ 'as-is)))
+ (if (wl-message-display-no-merge-p display-type)
+ (elmo-mime-entity-reassembled-p entity)
+ (elmo-mime-entity-fragment-p entity)))
+ (setq entity (elmo-message-mime-entity
+ folder
+ number
+ (wl-message-get-original-buffer)
+ (and wl-message-auto-reassemble-message/partial
+ (not (wl-message-display-no-merge-p
+ display-type)))
+ force-reload
+ unread
+ (not (wl-message-mime-analysis-p display-type)))))
+ (unless entity
+ (error "Cannot display message %s/%s" fname number))
+ (wl-message-display-internal entity display-type))
+ (quit
+ (wl-message-buffer-cache-delete)
+ (error "Display message %s/%s is quitted" fname number))
+ (error
+ (wl-message-buffer-cache-delete)
+ (signal (car err) (cdr err))
+ nil))) ;; will not be used
+ hit))
+
+(defun wl-message-display-internal (entity display-type)
+ (let ((default-mime-charset wl-mime-charset)
+ (elmo-mime-charset wl-mime-charset)
+ (wl-message-buffer-require-all-header
+ (wl-message-display-all-header-p display-type)))
+ (if (wl-message-mime-analysis-p display-type)
+ (elmo-mime-entity-display entity
+ (current-buffer)
+ 'wl-original-message-mode
+ (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)))
+ (elmo-mime-entity-display-as-is entity
+ (current-buffer)
+ 'wl-original-message-mode
+ (wl-message-define-keymap))
+ (let (buffer-read-only)
+ (wl-highlight-message (point-min) (point-max) t))))
+ (setq wl-message-buffer-cur-display-type display-type
+ wl-message-buffer-mime-entity entity)
+ (run-hooks 'wl-message-display-internal-hook)
+ (setq buffer-read-only t)))
+
+(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)))
+ (not (and (integerp size)
+ wl-message-buffer-prefetch-threshold
+ (>= size wl-message-buffer-prefetch-threshold)))))
+ (or (not number)
+ (elmo-folder-plugged-p folder)
+ (elmo-file-cache-exists-p
+ (elmo-message-field folder number 'message-id)))
+ (or (cond
+ ((eq wl-message-buffer-prefetch-folder-type-list t)
+ t)
+ ((and number wl-message-buffer-prefetch-folder-type-list)
+ (memq (elmo-folder-type-internal
+ (elmo-message-folder folder number))
+ wl-message-buffer-prefetch-folder-type-list))
+ (wl-message-buffer-prefetch-folder-type-list
+ (let ((list wl-message-buffer-prefetch-folder-type-list)
+ type)
+ (catch 'done
+ (while (setq type (pop list))
+ (if (elmo-folder-contains-type folder type)
+ (throw 'done t)))))))
+ (cond
+ ((consp wl-message-buffer-prefetch-folder-list)
+ (wl-string-match-member (elmo-folder-name-internal folder)
+ wl-message-buffer-prefetch-folder-list))
+ (t wl-message-buffer-prefetch-folder-list)))))
+
+(defsubst wl-message-buffer-prefetch-clear-timer ()
+;;; cannot use for the bug of fsf-compat package (1.09).
+;;; (cancel-function-timers 'wl-message-buffer-prefetch-subr)
+ (if (fboundp 'run-with-idle-timer)
+ (if (featurep 'xemacs)
+ (let ((p itimer-list))
+ (while (car p)
+ (if (eq 'wl-message-buffer-prefetch-subr
+ (itimer-function (car p)))
+ (delete-itimer (car p)))
+ (setq p (cdr p))))
+ ;; FSF Emacs is correct
+ (cancel-function-timers 'wl-message-buffer-prefetch-subr))))
+
+(defsubst wl-message-buffer-prefetch-set-timer (folder number count
+ summary charset)
+ (if (not (fboundp 'run-with-idle-timer))
+ (when (sit-for wl-message-buffer-prefetch-idle-time)
+ (wl-message-buffer-prefetch-subr
+ folder number count summary charset))
+ (run-with-idle-timer
+ wl-message-buffer-prefetch-idle-time
+ nil
+ 'wl-message-buffer-prefetch-subr
+ folder number count summary charset)))
+
+(defvar wl-message-buffer-prefetch-move-spec-alist nil)
+
+(defun wl-message-buffer-prefetch-get-next (folder number summary)
+ (if (buffer-live-p summary)
+ (with-current-buffer summary
+ (let ((wl-summary-move-spec-alist
+ (or wl-message-buffer-prefetch-move-spec-alist
+ wl-summary-move-spec-alist))
+ (next number))
+ (while (and (setq next (funcall
+ wl-message-buffer-prefetch-get-next-function
+ next))
+ (not (wl-message-buffer-prefetch-p folder next))))
+ next))))
+
+(defun wl-message-buffer-prefetch (folder number count
+ &optional summary charset)
+ (let* ((summary (or summary (get-buffer wl-summary-buffer-name)))
+ (num number))
+ (when (and (> count 0)
+ (wl-message-buffer-prefetch-p folder))
+ (unless (wl-message-buffer-prefetch-p folder number)
+ (setq num
+ (wl-message-buffer-prefetch-get-next folder number summary)))
+ (when num
+ (wl-message-buffer-prefetch-clear-timer)
+ (wl-message-buffer-prefetch-set-timer
+ folder num count summary charset)))))
+
+(defun wl-message-buffer-prefetch-next (folder number count
+ &optional summary charset)
+ (let* ((summary (or summary (get-buffer wl-summary-buffer-name)))
+ next)
+ (when (and (> count 0)
+ (wl-message-buffer-prefetch-p folder))
+ (setq next (wl-message-buffer-prefetch-get-next folder number summary))
+ (when next
+ (wl-message-buffer-prefetch-clear-timer)
+ (wl-message-buffer-prefetch-set-timer
+ folder next count summary charset)))))
+
+(defun wl-message-buffer-prefetch-subr (folder number count summary charset)
+ (if (buffer-live-p summary)
+ (with-current-buffer summary
+ (if (and number
+ (numberp count)
+ (>= (setq count (- count 1)) 0)
+ (string= (elmo-folder-name-internal folder)
+ (wl-summary-buffer-folder-name)))
+ (let* ((wl-mime-charset charset)
+ (default-mime-charset charset)
+ (message-id (elmo-message-field folder number 'message-id))
+ (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))
+ time1 time2 sec micro)
+ (when wl-message-buffer-prefetch-debug
+ (message "%d: count %d, hit %s" number count (buffer-name hit)))
+ (if (and hit (buffer-live-p hit))
+ (progn
+ (wl-message-buffer-cache-sort
+ (wl-message-buffer-cache-entry-make key hit))
+ (wl-message-buffer-prefetch-subr
+ folder
+ (wl-message-buffer-prefetch-get-next
+ folder number summary)
+ count summary charset))
+ ;; prefetching
+ (when wl-message-buffer-prefetch-debug
+ (setq time1 (current-time))
+ (message "Prefetching %d..." number))
+ (wl-message-buffer-display folder number
+ display-type nil 'unread)
+ (when (elmo-message-use-cache-p folder number)
+ (elmo-message-set-cached folder number t))
+ (when wl-message-buffer-prefetch-debug
+ (setq time2 (current-time))
+ (setq sec (- (nth 1 time2)(nth 1 time1)))
+ (setq micro (- (nth 2 time2)(nth 2 time1)))
+ (setq micro (+ micro (* 1000000 sec)))
+ (message "Prefetching %d...done(%f msec)."
+ number
+ (/ micro 1000.0))
+ (sit-for 0))
+ ;; set next prefetch
+ (wl-message-buffer-prefetch-set-timer
+ folder
+ (wl-message-buffer-prefetch-get-next
+ folder number summary)
+ count summary charset)
+ (sit-for 0)
+ ;; success prefetch
+ )))
+ ;; finish prefetch
+ (when wl-message-buffer-prefetch-debug
+ (message "Buffer Cached Messages: %s"
+ (mapconcat
+
+ (lambda (cache)
+ (if (numberp (nth 1 (car cache)))
+ (if (string=
+ (nth 0 (car cache))
+ (elmo-folder-name-internal folder))
+ (format "%d"
+ (nth 1 (car cache)))
+ (format "*%d" (nth 1 (car cache))))
+ "-"))
+ wl-message-buffer-cache " "))) )))
(defvar wl-message-button-map (make-sparse-keymap))
(if (wl-summary-jump-to-msg-by-message-id data)
(wl-summary-redisplay)))
-(defun wl-message-refer-article-or-url (e)
- "Read article specified by message-id around point.
-If failed, attempt to execute button-dispatcher."
- (interactive "e")
- (let ((window (get-buffer-window (current-buffer)))
- mouse-window point beg end msg-id)
- (unwind-protect
- (progn
- (mouse-set-point e)
- (setq mouse-window (get-buffer-window (current-buffer)))
- (setq point (point))
- (setq beg (save-excursion (beginning-of-line) (point)))
- (setq end (save-excursion (end-of-line) (point)))
- (search-forward ">" end t) ;Move point to end of "<....>".
- (if (and (re-search-backward "\\(<[^<> \t\n]+@[^<> \t\n]+>\\)"
- beg t)
- (not (string-match "mailto:"
- (setq msg-id (wl-match-buffer 1)))))
- (progn
- (goto-char point)
- (switch-to-buffer-other-window
- wl-message-buffer-cur-summary-buffer)
- (if (wl-summary-jump-to-msg-by-message-id msg-id)
- (wl-summary-redisplay)))
- (wl-message-button-dispatcher-internal e)))
- (if (eq mouse-window (get-buffer-window (current-buffer)))
- (select-window window)))))
-
(defun wl-message-uu-substring (buf outbuf &optional first last)
- (save-excursion
- (set-buffer buf)
+ (with-current-buffer buf
(search-forward "\n\n")
(let ((sp (point))
ep filename case-fold-search)
(setq filename (buffer-substring (match-beginning 1)(match-end 1)))
(throw 'done nil)))
(re-search-forward "^M.*$" nil t)) ; uuencoded string
- (beginning-of-line)
- (setq sp (point))
+ (setq sp (point-at-bol))
(goto-char (point-max))
(if last
(re-search-backward "^end" sp t)
(re-search-backward "^M.*$" sp t)) ; uuencoded string
(forward-line 1)
(setq ep (point))
- (set-buffer outbuf)
- (goto-char (point-max))
- (insert-buffer-substring buf sp ep)
- (set-buffer buf)
+ (with-current-buffer outbuf
+ (goto-char (point-max))
+ (insert-buffer-substring buf sp ep))
filename))))
+;;; Header narrowing courtesy of Hideyuki Shirai.
+(defun wl-message-header-narrowing ()
+ "Narrowing headers."
+ (unless (eq this-command 'wl-summary-redisplay-all-header)
+ (save-excursion
+ (save-restriction
+ (goto-char (point-min))
+ (if (re-search-forward "^$" nil t)
+ (beginning-of-line)
+ (goto-char (point-max)))
+ (narrow-to-region (point-min) (point))
+ (let ((fields wl-message-header-narrowing-fields))
+ (while fields
+ (wl-message-header-narrowing-1 (concat "^" (car fields) ":"))
+ (setq fields (cdr fields))))))))
+
+(defvar wl-message-header-narrowing-map (make-sparse-keymap))
+(define-key wl-message-header-narrowing-map [mouse-2]
+ 'wl-message-header-narrowing-again-at-mouse)
+
+(defvar wl-message-header-narrowing-widen-map (make-sparse-keymap))
+(define-key wl-message-header-narrowing-widen-map [mouse-2]
+ 'wl-message-header-narrowing-widen-at-mouse)
+
+(defun wl-message-header-narrowing-again-at-mouse (event)
+ (interactive "e")
+ (save-window-excursion
+ (save-excursion
+ (mouse-set-point event)
+ (wl-message-header-narrowing))))
+
+(defun wl-message-header-narrowing-1 (hregexp)
+ (let ((case-fold-search t)
+ ov start end)
+ (goto-char (point-min))
+ (while (re-search-forward hregexp nil t)
+ (setq start (match-beginning 0))
+ (forward-line 1)
+ (setq end (progn (while (looking-at "^[ \t]") (forward-line))
+ (forward-line -1)
+ (line-end-position)))
+ (if (<= (count-lines start end) wl-message-header-narrowing-lines)
+ (forward-line 1)
+ (goto-char start)
+ (forward-line (1- wl-message-header-narrowing-lines))
+ (end-of-line)
+ (setq start (point))
+ (unless (eq (get-char-property start 'invisible)
+ 'wl-message-header-narrowing)
+ (setq ov (or
+ (let ((ovs (overlays-at start))
+ ov)
+ (while (and ovs (not (overlayp ov)))
+ (if (overlay-get (car ovs)
+ 'wl-message-header-narrowing)
+ (setq ov (car ovs)))
+ (setq ovs (cdr ovs)))
+ ov)
+ (make-overlay start end)))
+ (overlay-put ov 'wl-message-header-narrowing t)
+ (overlay-put ov 'evaporate t)
+ (overlay-put ov 'invisible 'wl-message-header-narrowing)
+ (overlay-put ov 'after-string
+ wl-message-header-narrowing-string))))))
+
+(defun wl-message-header-narrowing-widen-at-mouse (event)
+ (interactive "e")
+ (save-selected-window
+ (select-window (posn-window (event-start event)))
+ (let* ((win (selected-window))
+ (wpos (window-start win))
+ (pos (mouse-set-point event))
+ (ovs (overlays-in (1- pos) (1+ pos))) ;; Uum...
+ ov)
+ (while (and ovs (not (overlayp ov)))
+ (when (overlay-get (car ovs) 'wl-message-header-narrowing)
+ (setq ov (car ovs)))
+ (setq ovs (cdr ovs)))
+ (when (overlayp ov)
+ (overlay-put ov 'face 'wl-message-header-narrowing-face)
+ (overlay-put ov 'local-map wl-message-header-narrowing-map)
+ (overlay-put ov 'invisible nil)
+ (overlay-put ov 'after-string nil))
+ (set-window-start win wpos))))
+
+(defun wl-message-header-narrowing-setup ()
+ (when (boundp 'line-move-ignore-invisible)
+ (set (make-local-variable 'line-move-ignore-invisible) t))
+ (set-text-properties 0 (length wl-message-header-narrowing-string)
+ `(face
+ wl-message-header-narrowing-face
+ keymap
+ ,wl-message-header-narrowing-widen-map)
+ wl-message-header-narrowing-string))
+
+(defun wl-message-header-narrowing-toggle ()
+ "Toggle header narrowing."
+ (interactive)
+ (when wl-message-use-header-narrowing
+ (save-excursion
+ (goto-char (point-min))
+ (if (re-search-forward "^$" nil t)
+ (beginning-of-line)
+ (goto-char (point-max)))
+ (let ((ovs (overlays-in (point-min) (point)))
+ ov hn-ovs)
+ (while (setq ov (car ovs))
+ (when (overlay-get ov 'wl-message-header-narrowing)
+ (setq hn-ovs (cons ov hn-ovs)))
+ (setq ovs (cdr ovs)))
+ (if hn-ovs
+ (while hn-ovs
+ (delete-overlay (car hn-ovs))
+ (setq hn-ovs (cdr hn-ovs)))
+ (wl-message-header-narrowing))))))
+
(require 'product)
(product-provide (provide 'wl-message) (require 'wl-version))
projects / elisp / wanderlust.git / blobdiff