projects / config.git / blame
| Commit | Line | Data |
|---|---|---|
| 53e6db90 DC |
1 | ;; jabber-truncate.el - cleanup top lines in chatbuffers -*- lexical-binding: t; -*- |
| 2 | ||
| 3 | ;; Copyright (C) 2007 - Kirill A. Korinskiy - catap@catap.ru | |
| 4 | ||
| 5 | ;; This file is a part of jabber.el. | |
| 6 | ||
| 7 | ;; This program is free software; you can redistribute it and/or modify | |
| 8 | ;; it under the terms of the GNU General Public License as published by | |
| 9 | ;; the Free Software Foundation; either version 2 of the License, or | |
| 10 | ;; (at your option) any later version. | |
| 11 | ||
| 12 | ;; This program is distributed in the hope that it will be useful, | |
| 13 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | ;; GNU General Public License for more details. | |
| 16 | ||
| 17 | ;; You should have received a copy of the GNU General Public License | |
| 18 | ;; along with this program; if not, write to the Free Software | |
| 19 | ;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 20 | ||
| 21 | (require 'jabber-chat) | |
| 22 | (require 'jabber-alert) | |
| 23 | ||
| 24 | (require 'cl-lib) | |
| 25 | ||
| 26 | (defvar jabber-log-lines-to-keep 1000 | |
| 27 | "Maximum number of lines in chat buffer.") | |
| 28 | ||
| 29 | (defun jabber-truncate-top (buffer &optional ewoc) | |
| 30 | "Clean old history from a chat BUFFER. | |
| 31 | Optional EWOC is ewoc-widget to work. Default is | |
| 32 | `jabber-chat-ewoc'. `jabber-log-lines-to-keep' specifies the | |
| 33 | number of lines to keep. | |
| 34 | ||
| 35 | Note that this might interfere with | |
| 36 | `jabber-chat-display-more-backlog': you ask for more history, you | |
| 37 | get it, and then it just gets deleted." | |
| 38 | (interactive) | |
| 39 | (let* ((inhibit-read-only t) | |
| 40 | (work-ewoc (if ewoc ewoc jabber-chat-ewoc)) | |
| 41 | (delete-before | |
| 42 | ;; go back one node, to make this function "idempotent" | |
| 43 | (ewoc-prev | |
| 44 | work-ewoc | |
| 45 | (ewoc-locate work-ewoc | |
| 46 | (save-excursion | |
| 47 | (set-buffer buffer) | |
| 48 | (goto-char (point-max)) | |
| 49 | (forward-line (- jabber-log-lines-to-keep)) | |
| 50 | (point)))))) | |
| 51 | (while delete-before | |
| 52 | (setq delete-before | |
| 53 | (prog1 | |
| 54 | (ewoc-prev work-ewoc delete-before) | |
| 55 | (ewoc-delete work-ewoc delete-before)))))) | |
| 56 | ||
| 57 | (defun jabber-truncate-muc (nick group buffer text proposed-alert) | |
| 58 | "Clean old history from MUC buffers. | |
| 59 | `jabber-log-lines-to-keep' specifies the number of lines to | |
| 60 | keep." | |
| 61 | (jabber-truncate-top buffer)) | |
| 62 | ||
| 63 | (defun jabber-truncate-chat (from buffer text proposed-alert) | |
| 64 | "Clean old history from chat buffers. | |
| 65 | `jabber-log-lines-to-keep' specifies the number of lines to | |
| 66 | keep. | |
| 67 | ||
| 68 | Note that this might interfer with | |
| 69 | `jabber-chat-display-more-backlog': you ask for more history, you | |
| 70 | get it, and then it just gets deleted." | |
| 71 | (jabber-truncate-top buffer)) | |
| 72 | ||
| 73 | (provide 'jabber-truncate) | |
| 74 | ||
| 75 | ;; arch-tag: 3d1e3428-f598-11db-a314-000a95c2fcd0 |