Commit c68997cf authored by Paul Reilly's avatar Paul Reilly
Browse files

Add support for save-buffer.

parent 4c565c5c
......@@ -854,7 +854,7 @@ If `pmail-display-summary' is non-nil, make a summary for this PMAIL file."
;; Use find-buffer-visiting, not get-file-buffer, for those users
;; who have find-file-visit-truename set to t.
(existed (find-buffer-visiting file-name))
run-mail-hook msg-shown)
run-mail-hook mail-buf msg-shown)
;; Determine if an existing mail file has been changed behind the
;; scene...
(if (and existed (not (verify-visited-file-modtime existed)))
......@@ -882,12 +882,14 @@ If `pmail-display-summary' is non-nil, make a summary for this PMAIL file."
(goto-char (point-max))
(setq mail-buf pmail-buffer)
;; Show the first unread message and process summary mode.
;; Only get new mail when there is not a file name argument.
(unless file-name-arg
(set-buffer mail-buf)
(pmail-show-message-maybe (pmail-first-unseen-message))
(if pmail-display-summary (pmail-summary))
......@@ -1322,12 +1324,52 @@ Instead, these commands are available:
(setq mode-line-modified "--")
(use-local-map pmail-mode-map)
(set-syntax-table text-mode-syntax-table)
(setq local-abbrev-table text-mode-abbrev-table))
(setq local-abbrev-table text-mode-abbrev-table)
;; First attempt at adding hook functions to support buffer swapping...
(add-hook 'write-region-annotate-functions 'pmail-write-region-annotate nil t)
(add-hook 'kill-buffer-hook 'pmail-mode-kill-buffer-hook nil t)
(add-hook 'change-major-mode-hook 'pmail-change-major-mode-hook nil t))
(defun pmail-generate-viewer-buffer ()
"Return a newly created buffer suitable for viewing messages."
(let ((suffix (file-name-nondirectory (or buffer-file-name (buffer-name)))))
(generate-new-buffer (format " *message-viewer %s*" suffix))))
"Return a reusable buffer suitable for viewing messages.
Create the buffer if necessary."
(let* ((suffix (file-name-nondirectory (or buffer-file-name (buffer-name))))
(name (format " *message-viewer %s*" suffix))
(buf (get-buffer name)))
(unless buf
(generate-new-buffer name))))
;; Used in write-region-annotate-functions to write Pmail files out
;; correctly.
(defun pmail-write-region-annotate (start end)
;; When called from write-file (and auto-save), `start' is nil.
;; When called from M-x write-region, we assume the user wants to save
;; (part of) the inbox, not the message display data.
(unless (or start (not pmail-buffers-swapped-p))
(set-buffer pmail-view-buffer)
(defun pmail-change-major-mode-hook ()
;; Bring the actual Pmail messages back into the main buffer.
(when (pmail-buffers-swapped-p)
(buffer-swap-text pmail-view-buffer)))
;; Throw away the summary.
;;(when (buffer-live-p pmail-view-buffer) (kill-buffer pmail-view-buffer)))
(defun pmail-buffers-swapped-p ()
"Return non-nil if the message collection is in `pmail-view-buffer'."
;; We need to be careful to keep track of which buffer holds the
;; message collection, since we swap the collection the view of the
;; current message back and forth. This model is based on Stefan
;; Monnier's solution for tar-mode.
(and (buffer-live-p pmail-view-buffer)
(> (buffer-size pmail-view-buffer) (buffer-size))))
(defun pmail-mode-kill-buffer-hook ()
(if (buffer-live-p pmail-view-buffer) (kill-buffer pmail-view-buffer)))
;; Set up the permanent locals associated with an Pmail file.
(defun pmail-perm-variables ()
......@@ -1346,6 +1388,7 @@ Instead, these commands are available:
(make-local-variable 'pmail-summary-vector)
(make-local-variable 'pmail-current-message)
(make-local-variable 'pmail-total-messages)
(setq pmail-total-messages 0)
(make-local-variable 'pmail-overlay-list)
(setq pmail-overlay-list nil)
(make-local-variable 'pmail-message-vector)
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