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;;; jabber-margin-prompts.el --- Show user prompts in Emacs' margins -*- lexical-binding: t; -*-
;; Copyright (C) 2015 Tom Willemse
;; Author: Tom Willemse <tom@ryuslash.org>
;; Keywords:
;; This program 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.
;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;
;;; Code:
(require 'jabber-chat)
(require 'jabber-muc)
(defvar jmp--longest-prompt 0)
(make-variable-buffer-local 'jmp--longest-prompt)
(defun jmp--update-margins (prompt-length)
"Increase left margin width if PROMPT-LENGTH requires it."
(when (> prompt-length jmp--longest-prompt)
(let ((window (get-buffer-window (current-buffer))))
(when (equal window (selected-window))
(set-window-margins window prompt-length))
(setq left-margin-width prompt-length
jmp--longest-prompt prompt-length))))
(defun jmp-chat-self-prompt (timestamp delayed dont-print-nick-p)
"Print prompt for sent message.
TIMESTAMP is the timestamp to print, or nil for now.
If DELAYED is true, print long timestamp
\(`jabber-chat-delayed-time-format' as opposed to
`jabber-chat-time-format').
If DONT-PRINT-NICK-P is true, don't include nickname."
(let* ((state-data (fsm-get-state-data jabber-buffer-connection))
(username (plist-get state-data :username))
(server (plist-get state-data :server))
(resource (plist-get state-data :resource))
(nickname username)
(prompt (format-spec jabber-chat-local-prompt-format
(list
(cons ?t (format-time-string
(if delayed
jabber-chat-delayed-time-format
jabber-chat-time-format)
timestamp))
(cons ?n (if dont-print-nick-p "" nickname))
(cons ?u username)
(cons ?r resource)
(cons ?j (concat username "@" server))))))
(insert (jabber-propertize
" "
'display (list '(margin left-margin) prompt)
'face 'jabber-chat-prompt-local
'help-echo
(concat (format-time-string "On %Y-%m-%d %H:%M:%S" timestamp) " from you")))
(jmp--update-margins (length prompt))))
(defun jmp-chat-print-prompt (xml-data timestamp delayed dont-print-nick-p)
"Print prompt for received message in XML-DATA.
TIMESTAMP is the timestamp to print, or nil to get it
from a jabber:x:delay element.
If DELAYED is true, print long timestamp
\(`jabber-chat-delayed-time-format' as opposed to
`jabber-chat-time-format').
If DONT-PRINT-NICK-P is true, don't include nickname."
(let* ((from (jabber-xml-get-attribute xml-data 'from))
(timestamp (or timestamp
(car (delq nil (mapcar 'jabber-x-delay (jabber-xml-get-children xml-data 'x))))))
(prompt (format-spec jabber-chat-foreign-prompt-format
(list
(cons ?t (format-time-string
(if delayed
jabber-chat-delayed-time-format
jabber-chat-time-format)
timestamp))
(cons ?n (if dont-print-nick-p "" (jabber-jid-displayname from)))
(cons ?u (or (jabber-jid-username from) from))
(cons ?r (jabber-jid-resource from))
(cons ?j (jabber-jid-user from))))))
(insert (jabber-propertize
" "
'display (list '(margin left-margin) prompt)
'face 'jabber-chat-prompt-foreign
'help-echo
(concat (format-time-string "On %Y-%m-%d %H:%M:%S" timestamp) " from " from)))
(jmp--update-margins (length prompt))))
(defun jmp-muc-print-prompt (xml-data &optional local dont-print-nick-p)
"Print MUC prompt for message in XML-DATA."
(let* ((nick (jabber-jid-resource (jabber-xml-get-attribute xml-data 'from)))
(timestamp (car (delq nil (mapcar 'jabber-x-delay (jabber-xml-get-children xml-data 'x)))))
(prompt (format-spec jabber-groupchat-prompt-format
(list
(cons ?t (format-time-string
(if timestamp
jabber-chat-delayed-time-format
jabber-chat-time-format)
timestamp))
(cons ?n (if dont-print-nick-p "" nick))
(cons ?u nick)
(cons ?r nick)
(cons ?j (concat jabber-group "/" nick))))))
(if (stringp nick)
(insert (jabber-propertize
" "
'display (list '(margin left-margin) prompt)
'face (if local ;Message from you.
(if jabber-muc-colorize-local ;; If colorization enable...
;; ...colorize nick
(list ':foreground (jabber-muc-nick-get-color nick))
;; otherwise, use default face.
'jabber-chat-prompt-local)
;; Message from other participant.
(if jabber-muc-colorize-foreign ;If colorization enable...
;; ... colorize nick
(list ':foreground (jabber-muc-nick-get-color nick))
;; otherwise, use default face.
'jabber-chat-prompt-foreign))
'help-echo (concat (format-time-string "On %Y-%m-%d %H:%M:%S" timestamp) " from " nick " in " jabber-group)))
(jabber-muc-system-prompt))
(jmp--update-margins (length prompt))))
;;;###autoload
(define-minor-mode jabber-margin-prompts-mode
"Show jabber prompts in the margins."
:global t
(if jabber-margin-prompts-mode
(progn
(add-function :override (symbol-function 'jabber-chat-self-prompt) #'jmp-chat-self-prompt)
(add-function :override (symbol-function 'jabber-chat-print-prompt) #'jmp-chat-print-prompt)
(add-function :override (symbol-function 'jabber-muc-print-prompt) #'jmp-muc-print-prompt))
(remove-function (symbol-function 'jabber-chat-self-prompt) #'jmp-chat-self-prompt)
(remove-function (symbol-function 'jabber-chat-print-prompt) #'jmp-chat-print-prompt)
(remove-function (symbol-function 'jabber-muc-print-prompt) #'jmp-muc-print-prompt)))
(provide 'jabber-margin-prompts)
;;; jabber-margin-prompts.el ends here
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