76 lines
2.7 KiB
EmacsLisp
76 lines
2.7 KiB
EmacsLisp
;; jabber-truncate.el - cleanup top lines in chatbuffers
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;; Copyright (C) 2007 - Kirill A. Korinskiy - catap@catap.ru
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;; This file is a part of jabber.el.
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program; if not, write to the Free Software
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;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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(require 'jabber-chat)
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(require 'jabber-alert)
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(require 'cl)
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(defvar jabber-log-lines-to-keep 1000
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"Maximum number of lines in chat buffer")
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(defun jabber-truncate-top (buffer &optional ewoc)
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"Clean old history from a chat BUFFER.
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Optional EWOC is ewoc-widget to work. Default is jabber-chat-ewoc
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`jabber-log-lines-to-keep' specifies the number of lines to
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keep.
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Note that this might interfer with
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`jabber-chat-display-more-backlog': you ask for more history, you
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get it, and then it just gets deleted."
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(interactive)
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(let* ((inhibit-read-only t)
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(work-ewoc (if ewoc ewoc jabber-chat-ewoc))
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(delete-before
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;; go back one node, to make this function "idempotent"
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(ewoc-prev
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work-ewoc
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(ewoc-locate work-ewoc
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(save-excursion
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(set-buffer buffer)
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(goto-char (point-max))
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(forward-line (- jabber-log-lines-to-keep))
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(point))))))
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(while delete-before
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(setq delete-before
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(prog1
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(ewoc-prev work-ewoc delete-before)
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(ewoc-delete work-ewoc delete-before))))))
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(defun jabber-truncate-muc (nick group buffer text proposed-alert)
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"Clean old history from MUC buffers.
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`jabber-log-lines-to-keep' specifies the number of lines to
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keep."
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(jabber-truncate-top buffer))
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(defun jabber-truncate-chat (from buffer text proposed-alert)
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"Clean old history from chat buffers.
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`jabber-log-lines-to-keep' specifies the number of lines to
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keep.
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Note that this might interfer with
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`jabber-chat-display-more-backlog': you ask for more history, you
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get it, and then it just gets deleted."
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(jabber-truncate-top buffer))
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(provide 'jabber-truncate)
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;; arch-tag: 3d1e3428-f598-11db-a314-000a95c2fcd0
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