;;; mh-letter.el --- MH-Letter mode
-;; Copyright (C) 1993, 1995, 1997, 2000-2011 Free Software Foundation, Inc.
+;; Copyright (C) 1993, 1995, 1997, 2000-2013 Free Software Foundation,
+;; Inc.
;; Author: Bill Wohler <wohler@newt.com>
;; Maintainer: Bill Wohler <wohler@newt.com>
And each hook function should leave point and mark around the
citation text as modified.
-This is a normal hook, misnamed for historical reasons. It is
-semi-obsolete and is only used if `mail-citation-hook' is nil.")
+This is a normal hook, misnamed for historical reasons.
+It is obsolete and is only used if `mail-citation-hook' is nil.")
+(mh-make-obsolete-variable 'mh-yank-hooks 'mail-citation-hook "19.34")
\f
;;; MH-Letter Mode
;; Shush compiler.
-(defvar font-lock-defaults) ; XEmacs
+(mh-do-in-xemacs
+ (defvar font-lock-defaults))
;; Ensure new buffers won't get this mode if default major-mode is nil.
(put 'mh-letter-mode 'mode-class 'special)
(define-key mh-letter-mode-map [menu-bar mail] 'undefined)
(mh-do-in-xemacs (easy-menu-remove mail-menubar-menu))
(setq fill-column mh-letter-fill-column)
+ (add-hook 'completion-at-point-functions
+ 'mh-letter-completion-at-point nil 'local)
;; If text-mode-hook turned on auto-fill, tune it for messages
(when auto-fill-function
(make-local-variable 'auto-fill-function)
(message "No signature found")))))
(force-mode-line-update))
-(defun mh-letter-complete (arg)
+(defun mh-letter-completion-at-point ()
+ "Return the completion data at point for MH letters.
+This provides alias and folder completion in header fields according to
+`mh-letter-complete-function-alist' and falls back on
+`mh-letter-complete-function-alist' elsewhere."
+ (let ((func (and (mh-in-header-p)
+ (cdr (assoc (mh-letter-header-field-at-point)
+ mh-letter-complete-function-alist)))))
+ (if func
+ (or (funcall func) #'ignore)
+ mh-letter-complete-function)))
+
+;; TODO Now that completion-at-point performs the task of
+;; mh-letter-complete, perhaps mh-letter-complete along with
+;; mh-complete-word should be rewritten as a more general function for
+;; XEmacs, renamed to mh-completion-at-point, and moved to
+;; mh-compat.el.
+(defun-mh mh-letter-complete completion-at-point ()
"Perform completion on header field or word preceding point.
If the field contains addresses (for example, \"To:\" or \"Cc:\")
or folders (for example, \"Fcc:\") then this command will provide
alias completion. In the body of the message, this command runs
`mh-letter-complete-function' instead, which is set to
-`ispell-complete-word' by default. This command takes a prefix
-argument ARG that is passed to the
-`mh-letter-complete-function'."
- (interactive "P")
- (let ((func nil))
- (cond ((not (mh-in-header-p))
- (funcall mh-letter-complete-function arg))
- ((setq func (cdr (assoc (mh-letter-header-field-at-point)
- mh-letter-complete-function-alist)))
- (funcall func))
- (t (funcall mh-letter-complete-function arg)))))
+`ispell-complete-word' by default."
+ (interactive)
+ (let ((data (mh-letter-completion-at-point)))
+ (cond
+ ((functionp data) (funcall data))
+ ((consp data)
+ (let ((start (nth 0 data))
+ (end (nth 1 data))
+ (table (nth 2 data)))
+ (mh-complete-word (buffer-substring-no-properties start end)
+ table start end))))))
(defun mh-letter-complete-or-space (arg)
"Perform completion or insert space.
space is inserted; use a prefix argument ARG to specify more than
one space."
(interactive "p")
- (let ((func nil)
- (end-of-prev (save-excursion
+ (let ((end-of-prev (save-excursion
(goto-char (mh-beginning-of-word))
(mh-beginning-of-word -1))))
(cond ((not mh-compose-space-does-completion-flag)
(self-insert-command arg))
- ((not (mh-in-header-p)) (self-insert-command arg))
+ ;; FIXME: This > test is redundant now that all the completion
+ ;; functions do it anyway.
((> (point) end-of-prev) (self-insert-command arg))
- ((setq func (cdr (assoc (mh-letter-header-field-at-point)
- mh-letter-complete-function-alist)))
- (funcall func))
+ ((let ((mh-letter-complete-function nil))
+ (mh-letter-completion-at-point))
+ (mh-letter-complete))
(t (self-insert-command arg)))))
(defun mh-letter-confirm-address ()
the supercite flavors, the hook `mail-citation-hook' is ignored
and `mh-ins-buf-prefix' is not inserted."
(interactive)
- (if (and mh-sent-from-folder
- (with-current-buffer mh-sent-from-folder mh-show-buffer)
- (with-current-buffer mh-sent-from-folder
- (get-buffer mh-show-buffer))
- mh-sent-from-msg)
- (let ((to-point (point))
- (to-buffer (current-buffer)))
- (set-buffer mh-sent-from-folder)
- (if mh-delete-yanked-msg-window-flag
- (delete-windows-on mh-show-buffer))
- (set-buffer mh-show-buffer) ; Find displayed message
- (let* ((from-attr (mh-extract-from-attribution))
- (yank-region (mh-mark-active-p nil))
- (mh-ins-str
- (cond ((and yank-region
- (or (eq 'supercite mh-yank-behavior)
- (eq 'autosupercite mh-yank-behavior)
- (eq t mh-yank-behavior)))
- ;; supercite needs the full header
- (concat
- (buffer-substring (point-min) (mh-mail-header-end))
- "\n"
- (buffer-substring (region-beginning) (region-end))))
- (yank-region
- (buffer-substring (region-beginning) (region-end)))
- ((or (eq 'body mh-yank-behavior)
- (eq 'attribution mh-yank-behavior)
- (eq 'autoattrib mh-yank-behavior))
- (buffer-substring
- (save-excursion
- (goto-char (point-min))
- (mh-goto-header-end 1)
- (point))
- (point-max)))
- ((or (eq 'supercite mh-yank-behavior)
- (eq 'autosupercite mh-yank-behavior)
- (eq t mh-yank-behavior))
- (buffer-substring (point-min) (point-max)))
- (t
- (buffer-substring (point) (point-max))))))
- (set-buffer to-buffer)
- (save-restriction
- (narrow-to-region to-point to-point)
- (insert (mh-filter-out-non-text mh-ins-str))
- (goto-char (point-max)) ;Needed for sc-cite-original
- (push-mark) ;Needed for sc-cite-original
- (goto-char (point-min)) ;Needed for sc-cite-original
- (mh-insert-prefix-string mh-ins-buf-prefix)
- (when (or (eq 'attribution mh-yank-behavior)
- (eq 'autoattrib mh-yank-behavior))
- (insert from-attr)
- (mh-identity-insert-attribution-verb nil)
- (insert "\n\n"))
- ;; If the user has selected a region, he has already "edited" the
- ;; text, so leave the cursor at the end of the yanked text. In
- ;; either case, leave a mark at the opposite end of the included
- ;; text to make it easy to jump or delete to the other end of the
- ;; text.
- (push-mark)
- (goto-char (point-max))
- (if (null yank-region)
- (mh-exchange-point-and-mark-preserving-active-mark)))))
- (error "There is no current message")))
+ (let ((show-buffer))
+ (if (and mh-sent-from-folder
+ (with-current-buffer mh-sent-from-folder mh-show-buffer)
+ (setq show-buffer (with-current-buffer mh-sent-from-folder
+ (get-buffer mh-show-buffer)))
+ mh-sent-from-msg)
+ (let ((to-point (point))
+ (to-buffer (current-buffer)))
+ (if mh-delete-yanked-msg-window-flag
+ (with-current-buffer mh-sent-from-folder
+ (delete-windows-on show-buffer)))
+ ;; Find displayed message
+ (with-current-buffer show-buffer
+ (let* ((from-attr (mh-extract-from-attribution))
+ (yank-region (mh-mark-active-p nil))
+ (mh-ins-str
+ (cond ((and yank-region
+ (or (eq 'supercite mh-yank-behavior)
+ (eq 'autosupercite mh-yank-behavior)
+ (eq t mh-yank-behavior)))
+ ;; supercite needs the full header
+ (concat
+ (buffer-substring (point-min) (mh-mail-header-end))
+ "\n"
+ (buffer-substring (region-beginning) (region-end))))
+ (yank-region
+ (buffer-substring (region-beginning) (region-end)))
+ ((or (eq 'body mh-yank-behavior)
+ (eq 'attribution mh-yank-behavior)
+ (eq 'autoattrib mh-yank-behavior))
+ (buffer-substring
+ (save-excursion
+ (goto-char (point-min))
+ (mh-goto-header-end 1)
+ (point))
+ (point-max)))
+ ((or (eq 'supercite mh-yank-behavior)
+ (eq 'autosupercite mh-yank-behavior)
+ (eq t mh-yank-behavior))
+ (buffer-substring (point-min) (point-max)))
+ (t
+ (buffer-substring (point) (point-max))))))
+ (with-current-buffer to-buffer
+ (save-restriction
+ (narrow-to-region to-point to-point)
+ (insert (mh-filter-out-non-text mh-ins-str))
+ (goto-char (point-max)) ;Needed for sc-cite-original
+ (push-mark) ;Needed for sc-cite-original
+ (goto-char (point-min)) ;Needed for sc-cite-original
+ (mh-insert-prefix-string mh-ins-buf-prefix)
+ (when (or (eq 'attribution mh-yank-behavior)
+ (eq 'autoattrib mh-yank-behavior))
+ (insert from-attr)
+ (mh-identity-insert-attribution-verb nil)
+ (insert "\n\n"))
+ ;; If the user has selected a region, he has already "edited" the
+ ;; text, so leave the cursor at the end of the yanked text. In
+ ;; either case, leave a mark at the opposite end of the included
+ ;; text to make it easy to jump or delete to the other end of the
+ ;; text.
+ (push-mark)
+ (goto-char (point-max))
+ (if (null yank-region)
+ (mh-exchange-point-and-mark-preserving-active-mark)))))))
+ (error "There is no current message"))))
\f
(defun mh-folder-expand-at-point ()
"Do folder name completion in Fcc header field."
- (let* ((end (point))
- (beg (mh-beginning-of-word))
- (folder (buffer-substring-no-properties beg end))
- (leading-plus (and (> (length folder) 0) (equal (aref folder 0) ?+)))
- (choices (mapcar (lambda (x) (list x))
- (mh-folder-completion-function folder nil t))))
- (unless leading-plus
- (setq folder (concat "+" folder)))
- (mh-complete-word folder choices beg end)))
+ (let* ((beg (mh-beginning-of-word))
+ (end (save-excursion
+ (goto-char beg)
+ (mh-beginning-of-word -1))))
+ (when (>= end (point))
+ (list beg (if (fboundp 'completion-at-point) end (point))
+ #'mh-folder-completion-function))))
;;;###mh-autoload
(defun mh-complete-word (word choices begin end)
((stringp completion)
(if (equal word completion)
(with-output-to-temp-buffer completions-buffer
- (mh-display-completion-list (all-completions word choices)
- word))
+ (mh-display-completion-list
+ (all-completions word choices)
+ ;; The `common-substring' arg only works if it's a prefix.
+ (unless (and (functionp choices)
+ (let ((bounds
+ (funcall choices
+ word nil '(boundaries . ""))))
+ (and (eq 'boundaries (car-safe bounds))
+ (< 0 (cadr bounds)))))
+ word)))
(ignore-errors
(kill-buffer completions-buffer))
(delete-region begin end)
HCoop / bpt / emacs.git / blobdiff