mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-14 09:39:42 +00:00
86 lines
3.1 KiB
EmacsLisp
86 lines
3.1 KiB
EmacsLisp
;;; mh-buffers.el --- MH-E buffer constants and utilities
|
||
|
||
;; Copyright (C) 1993, 1995, 1997, 2000-2013 Free Software Foundation,
|
||
;; Inc.
|
||
|
||
;; Author: Bill Wohler <wohler@newt.com>
|
||
;; Maintainer: Bill Wohler <wohler@newt.com>
|
||
;; Keywords: mail
|
||
;; See: mh-e.el
|
||
|
||
;; This file is part of GNU Emacs.
|
||
|
||
;; GNU Emacs is free software: you can redistribute it and/or modify
|
||
;; it under the terms of the GNU General Public License as published by
|
||
;; the Free Software Foundation, either version 3 of the License, or
|
||
;; (at your option) any later version.
|
||
|
||
;; GNU Emacs is distributed in the hope that it will be useful,
|
||
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
;; GNU General Public License for more details.
|
||
|
||
;; You should have received a copy of the GNU General Public License
|
||
;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
|
||
|
||
;;; Commentary:
|
||
|
||
;;; Change Log:
|
||
|
||
;;; Code:
|
||
|
||
;; The names of ephemeral buffers have a " *mh-" prefix (so that they
|
||
;; are hidden and can be programmatically removed in mh-quit), and the
|
||
;; variable names have the form mh-temp-.*-buffer.
|
||
(defconst mh-temp-buffer " *mh-temp*") ;scratch
|
||
(defconst mh-temp-checksum-buffer " *mh-checksum*")
|
||
(defconst mh-temp-fetch-buffer " *mh-fetch*") ;wget/curl/fetch output
|
||
(defconst mh-temp-index-buffer " *mh-index*")
|
||
|
||
;; The names of MH-E buffers that are not ephemeral and can be used by
|
||
;; the user (and deleted by the user when no longer needed) have a
|
||
;; "*MH-E " prefix (so they can be programmatically removed in
|
||
;; mh-quit), and the variable names have the form mh-.*-buffer.
|
||
;; Temporary buffers for search results
|
||
(defconst mh-aliases-buffer "*MH-E Aliases*") ;alias lookups
|
||
(defconst mh-folders-buffer "*MH-E Folders*") ;folder list
|
||
(defconst mh-help-buffer "*MH-E Help*") ;quick help
|
||
(defconst mh-info-buffer "*MH-E Info*") ;version information buffer
|
||
(defconst mh-log-buffer "*MH-E Log*") ;output of MH commands and so on
|
||
(defconst mh-mail-delivery-buffer "*MH-E Mail Delivery*") ;mail delivery log
|
||
(defconst mh-recipients-buffer "*MH-E Recipients*") ;killed when draft sent
|
||
(defconst mh-sequences-buffer "*MH-E Sequences*") ;sequences list
|
||
|
||
(defvar mh-log-buffer-lines 100
|
||
"Number of lines to keep in `mh-log-buffer'.")
|
||
|
||
|
||
|
||
(defun mh-truncate-log-buffer ()
|
||
"If `mh-log-buffer' is too big then truncate it.
|
||
If the number of lines in `mh-log-buffer' exceeds
|
||
`mh-log-buffer-lines' then keep only the last
|
||
`mh-log-buffer-lines'. As a side effect the point is set to the
|
||
end of the log buffer.
|
||
|
||
The function returns the size of the final size of the log buffer."
|
||
(with-current-buffer (get-buffer-create mh-log-buffer)
|
||
(goto-char (point-max))
|
||
(save-excursion
|
||
(when (equal (forward-line (- mh-log-buffer-lines)) 0)
|
||
(delete-region (point-min) (point))))
|
||
(unless (or (bobp)
|
||
(save-excursion
|
||
(and (equal (forward-line -1) 0) (equal (char-after) ? ))))
|
||
(insert "\n \n"))
|
||
(buffer-size)))
|
||
|
||
(provide 'mh-buffers)
|
||
|
||
;; Local Variables:
|
||
;; indent-tabs-mode: nil
|
||
;; sentence-end-double-space: nil
|
||
;; End:
|
||
|
||
;;; mh-buffers.el ends here
|