gui.py 54 KB
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# Copyright 2010 Le Coz Florent <louiz@louiz.org>
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#
# This file is part of Poezio.
#
# Poezio 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, version 3 of the License.
#
# Poezio 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 Poezio.  If not, see <http://www.gnu.org/licenses/>.

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from gettext import (bindtextdomain, textdomain, bind_textdomain_codeset,
                     gettext as _)
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from os.path import isfile
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from time import sleep

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import os
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import re
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import sys
import shlex
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import curses
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import threading
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import webbrowser

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from datetime import datetime
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import common
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import theme
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import multiuserchat as muc
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from handler import Handler
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from config import config
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from tab import MucTab, InfoTab, PrivateTab, RosterInfoTab, ConversationTab
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from user import User
from room import Room
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from roster import Roster, RosterGroup
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from contact import Contact
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from message import Message
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from text_buffer import TextBuffer
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from keyboard import read_char
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from common import is_jid_the_same, jid_get_domain, jid_get_resource, is_jid
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from common import debug
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# http://xmpp.org/extensions/xep-0045.html#errorstatus
ERROR_AND_STATUS_CODES = {
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    '401': _('A password is required'),
    '403': _('You are banned from the room'),
    '404': _('The room does\'nt exist'),
    '405': _('Your are not allowed to create a new room'),
    '406': _('A reserved nick must be used'),
    '407': _('You are not in the member list'),
    '409': _('This nickname is already in use or has been reserved'),
    '503': _('The maximum number of users has been reached'),
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    }

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SHOW_NAME = {
    'dnd': _('busy'),
    'away': _('away'),
    'xa': _('not available'),
    'chat': _('chatty'),
    '': _('available')
    }
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resize_lock = threading.Lock()

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def doupdate():
    curses.doupdate()
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class Gui(object):
    """
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    User interface using ncurses
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    """
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    def __init__(self, xmpp):
        self.stdscr = curses.initscr()
        self.init_curses(self.stdscr)
        self.xmpp = xmpp
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        default_tab = InfoTab(self.stdscr, "Info") if self.xmpp.anon\
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            else RosterInfoTab(self.stdscr)
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        self.tabs = [default_tab]
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        self.roster = Roster()
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        # a unique buffer used to store global informations
        # that are displayed in almost all tabs, in an
        # information window.
        self.information_buffer = TextBuffer()
        self.information_win_size = 2 # Todo, get this from config
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        self.ignores = {}
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        self.resize_timer = None
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        self.commands = {
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            'help': (self.command_help, '\_o< KOIN KOIN KOIN'),
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            'join': (self.command_join, _("Usage: /join [room_name][@server][/nick] [password]\nJoin: Join the specified room. You can specify a nickname after a slash (/). If no nickname is specified, you will use the default_nick in the configuration file. You can omit the room name: you will then join the room you\'re looking at (useful if you were kicked). You can also provide a room_name without specifying a server, the server of the room you're currently in will be used. You can also provide a password to join the room.\nExamples:\n/join room@server.tld\n/join room@server.tld/John\n/join room2\n/join /me_again\n/join\n/join room@server.tld/my_nick password\n/join / password")),
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            'quit': (self.command_quit, _("Usage: /quit\nQuit: Just disconnect from the server and exit poezio.")),
            'exit': (self.command_quit, _("Usage: /exit\nExit: Just disconnect from the server and exit poezio.")),
            'next': (self.rotate_rooms_right, _("Usage: /next\nNext: Go to the next room.")),
            'n': (self.rotate_rooms_right, _("Usage: /n\nN: Go to the next room.")),
            'prev': (self.rotate_rooms_left, _("Usage: /prev\nPrev: Go to the previous room.")),
            'p': (self.rotate_rooms_left, _("Usage: /p\nP: Go to the previous room.")),
            'win': (self.command_win, _("Usage: /win <number>\nWin: Go to the specified room.")),
            'w': (self.command_win, _("Usage: /w <number>\nW: Go to the specified room.")),
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            'ignore': (self.command_ignore, _("Usage: /ignore <nickname> \nIgnore: Ignore a specified nickname.")),
            'unignore': (self.command_unignore, _("Usage: /unignore <nickname>\nUnignore: Remove the specified nickname from the ignore list.")),
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            'part': (self.command_part, _("Usage: /part [message]\n Part: disconnect from a room. You can specify an optional message.")),
            'show': (self.command_show, _("Usage: /show <availability> [status]\nShow: Change your availability and (optionaly) your status. The <availability> argument is one of \"avail, available, ok, here, chat, away, afk, dnd, busy, xa\" and the optional [message] argument will be your status message")),
            'away': (self.command_away, _("Usage: /away [message]\nAway: Sets your availability to away and (optional) sets your status message. This is equivalent to '/show away [message]'")),
            'busy': (self.command_busy, _("Usage: /busy [message]\nBusy: Sets your availability to busy and (optional) sets your status message. This is equivalent to '/show busy [message]'")),
            'avail': (self.command_avail, _("Usage: /avail [message]\nAvail: Sets your availability to available and (optional) sets your status message. This is equivalent to '/show available [message]'")),
            'available': (self.command_avail, _("Usage: /available [message]\nAvailable: Sets your availability to available and (optional) sets your status message. This is equivalent to '/show available [message]'")),
           'bookmark': (self.command_bookmark, _("Usage: /bookmark [roomname][/nick]\nBookmark: Bookmark the specified room (you will then auto-join it on each poezio start). This commands uses the same syntaxe as /join. Type /help join for syntaxe examples. Note that when typing \"/bookmark\" on its own, the room will be bookmarked with the nickname you\'re currently using in this room (instead of default_nick)")),
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            'unquery': (self.command_unquery, _("Usage: /unquery\nClose the private conversation window")),
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            'set': (self.command_set, _("Usage: /set <option> [value]\nSet: Sets the value to the option in your configuration file. You can, for example, change your default nickname by doing `/set default_nick toto` or your resource with `/set resource blabla`. You can also set an empty value (nothing) by providing no [value] after <option>.")),
            'kick': (self.command_kick, _("Usage: /kick <nick> [reason]\nKick: Kick the user with the specified nickname. You also can give an optional reason.")),
            'topic': (self.command_topic, _("Usage: /topic <subject> \nTopic: Change the subject of the room")),
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            'link': (self.command_link, _("Usage: /link [option] [number]\nLink: Interact with a link in the conversation. Available options are 'open', 'copy'. Open just opens the link in the browser if it's http://, Copy just copy the link in the clipboard. An optional number can be provided, it indicates which link to interact with.")),
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            'query': (self.command_query, _('Usage: /query <nick> [message]\nQuery: Open a private conversation with <nick>. This nick has to be present in the room you\'re currently in. If you specified a message after the nickname, it will immediately be sent to this user')),
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            'nick': (self.command_nick, _("Usage: /nick <nickname>\nNick: Change your nickname in the current room")),
            'say': (self.command_say, _('Usage: /say <message>\nSay: Just send the message. Useful if you want your message to begin with a "/"')),
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            'whois': (self.command_whois, _('Usage: /whois <nickname>\nWhois: Request many informations about the user.')),
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            'theme': (self.command_theme, _('Usage: /theme\nTheme: Reload the theme defined in the config file.')),
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            'recolor': (self.command_recolor, _('Usage: /recolor\nRecolor: Re-assign a color to all participants of the current room, based on the last time they talked. Use this if the participants currently talking have too many identical colors.')),
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            }

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        self.key_func = {
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            "KEY_PPAGE": self.scroll_page_up,
            "KEY_NPAGE": self.scroll_page_down,
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            "KEY_F(5)": self.rotate_rooms_left,
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            "^P": self.rotate_rooms_left,
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            "KEY_F(6)": self.rotate_rooms_right,
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            "KEY_F(7)": self.shrink_information_win,
            "KEY_F(8)": self.grow_information_win,
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            "^N": self.rotate_rooms_right,
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            "KEY_RESIZE": self.call_for_resize,
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            '^X': self.go_to_important_room,
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            '^V': self.move_separator,
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            }

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        # Add handlers
        self.xmpp.add_event_handler("session_start", self.on_connected)
        self.xmpp.add_event_handler("groupchat_presence", self.on_groupchat_presence)
        self.xmpp.add_event_handler("groupchat_message", self.on_groupchat_message)
        self.xmpp.add_event_handler("message", self.on_message)
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        self.xmpp.add_event_handler("got_online" , self.on_got_online)
        self.xmpp.add_event_handler("got_offline" , self.on_got_offline)
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        self.xmpp.add_event_handler("roster_update", self.on_roster_update)
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        # self.xmpp.add_event_handler("presence", self.on_presence)
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    def grow_information_win(self):
        """
        """
        if self.information_win_size == 14:
            return
        self.information_win_size += 1
        for tab in self.tabs:
            tab.on_info_win_size_changed(self.information_win_size, self.stdscr)
        self.refresh_window()

    def shrink_information_win(self):
        """
        """
        if self.information_win_size == 0:
            return
        self.information_win_size -= 1
        for tab in self.tabs:
            tab.on_info_win_size_changed(self.information_win_size, self.stdscr)
        self.refresh_window()
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    def on_got_offline(self, presence):
        jid = presence['from']
        contact = self.roster.get_contact_by_jid(jid.bare)
        if not contact:
            return
        contact.set_presence('unavailable')
        self.information('%s is not offline' % (contact.get_jid()), "Roster")

    def on_got_online(self, presence):
        jid = presence['from']
        contact = self.roster.get_contact_by_jid(jid.bare)
        if not contact:
            return
        status = presence['type']
        priority = presence.getPriority()
        contact.set_presence(status)
        contact.set_priority(priority)
        self.information("%s is now online (%s)" % (contact.get_jid(), status), "Roster")

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    def on_connected(self, event):
        """
        Called when we are connected and authenticated
        """
        self.information(_("Welcome on Poezio \o/!"))
        self.information(_("Your JID is %s") % self.xmpp.fulljid)

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        if not self.xmpp.anon:
            # request the roster
            self.xmpp.getRoster()
            # send initial presence
            self.xmpp.makePresence(pfrom=self.xmpp.jid).send()
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        rooms = config.get('rooms', '')
        if rooms == '' or not isinstance(rooms, str):
            return
        rooms = rooms.split(':')
        for room in rooms:
            args = room.split('/')
            if args[0] == '':
                return
            roomname = args[0]
            if len(args) == 2:
                nick = args[1]
            else:
                default = os.environ.get('USER') if os.environ.get('USER') else 'poezio'
                nick = config.get('default_nick', '')
                if nick == '':
                    nick = default
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            self.open_new_room(roomname, nick, False)
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            muc.join_groupchat(self.xmpp, roomname, nick)
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        # if not self.xmpp.anon:
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        # Todo: SEND VCARD
        return
        if config.get('jid', '') == '': # Don't send the vcard if we're not anonymous
            self.vcard_sender.start()   # because the user ALREADY has one on the server

    def on_groupchat_presence(self, presence):
        """
        Triggered whenever a presence stanza is received from a user in a multi-user chat room.
        Display the presence on the room window and update the
        presence information of the concerned user
        """
        from_nick = presence['from'].resource
        from_room = presence['from'].bare
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        room = self.get_room_by_name(from_room)
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        code = presence.find('{jabber:client}status')
        status_codes = set([s.attrib['code'] for s in presence.findall('{http://jabber.org/protocol/muc#user}x/{http://jabber.org/protocol/muc#user}status')])
        # Check if it's not an error presence.
        if presence['type'] == 'error':
            return self.room_error(presence, from_room)
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        if not room:
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            return
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        msg = None
        affiliation = presence['muc']['affiliation']
        show = presence['show']
        status = presence['status']
        role = presence['muc']['role']
        jid = presence['muc']['jid']
        typ = presence['type']
        if not room.joined:     # user in the room BEFORE us.
            # ignore redondant presence message, see bug #1509
            if from_nick not in [user.nick for user in room.users]:
                new_user = User(from_nick, affiliation, show, status, role)
                room.users.append(new_user)
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                if from_nick == room.own_nick:
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                    room.joined = True
                    new_user.color = theme.COLOR_OWN_NICK
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                    self.add_message_to_text_buffer(room, _("Your nickname is %s") % (from_nick))
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                    if '170' in status_codes:
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                        self.add_message_to_text_buffer(room, 'Warning: this room is publicly logged')
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        else:
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            change_nick = '303' in status_codes
            kick = '307' in status_codes and typ == 'unavailable'
            user = room.get_user_by_name(from_nick)
            # New user
            if not user:
                self.on_user_join(room, from_nick, affiliation, show, status, role, jid)
            # nick change
            elif change_nick:
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                self.on_user_nick_change(room, presence, user, from_nick, from_room)
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            # kick
            elif kick:
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                self.on_user_kicked(room, presence, user, from_nick)
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            # user quit
            elif typ == 'unavailable':
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                self.on_user_leave_groupchat(room, user, jid, status, from_nick, from_room)
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            # status change
            else:
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                self.on_user_change_status(room, user, from_nick, from_room, affiliation, role, show, status)
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        self.refresh_window()
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        doupdate()

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    def on_user_join(self, room, from_nick, affiliation, show, status, role, jid):
        """
        When a new user joins a groupchat
        """
        room.users.append(User(from_nick, affiliation,
                               show, status, role))
        hide_exit_join = config.get('hide_exit_join', -1)
        if hide_exit_join != 0:
            if not jid.full:
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                self.add_message_to_text_buffer(room, _('%(spec)s "[%(nick)s]" joined the room') % {'nick':from_nick.replace('"', '\\"'), 'spec':theme.CHAR_JOIN.replace('"', '\\"')}, colorized=True)
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            else:
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                self.add_message_to_text_buffer(room, _('%(spec)s "[%(nick)s]" "(%(jid)s)" joined the room') % {'spec':theme.CHAR_JOIN.replace('"', '\\"'), 'nick':from_nick.replace('"', '\\"'), 'jid':jid.full}, colorized=True)
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    def on_user_nick_change(self, room, presence, user, from_nick, from_room):
        new_nick = presence.find('{http://jabber.org/protocol/muc#user}x/{http://jabber.org/protocol/muc#user}item').attrib['nick']
        if user.nick == room.own_nick:
            room.own_nick = new_nick
            # also change our nick in all private discussion of this room
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            for _tab in self.tabs:
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                if isinstance(_tab, PrivateTab) and _tab.get_name().split('/', 1)[0] == room.name:
                    _tab.get_room().own_nick = new_nick
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        user.change_nick(new_nick)
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        self.add_message_to_text_buffer(room, _('"[%(old)s]" is now known as "[%(new)s]"') % {'old':from_nick.replace('"', '\\"'), 'new':new_nick.replace('"', '\\"')}, colorized=True)
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        # rename the private tabs if needed
        private_room = self.get_room_by_name('%s/%s' % (from_room, from_nick))
        if private_room:
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            self.add_message_to_text_buffer(private_room, _('"[%(old_nick)s]" is now known as "[%(new_nick)s]"') % {'old_nick':from_nick.replace('"', '\\"'), 'new_nick':new_nick.replace('"', '\\"')}, colorized=True)
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            new_jid = private_room.name.split('/', 1)[0]+'/'+new_nick
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            private_room.name = new_jid
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    def on_user_kicked(self, room, presence, user, from_nick):
        """
        When someone is kicked
        """
        room.users.remove(user)
        by = presence.find('{http://jabber.org/protocol/muc#user}x/{http://jabber.org/protocol/muc#user}item/{http://jabber.org/protocol/muc#user}actor')
        reason = presence.find('{http://jabber.org/protocol/muc#user}x/{http://jabber.org/protocol/muc#user}item/{http://jabber.org/protocol/muc#user}reason')
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        by = by.attrib['jid'] if by is not None else None
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        reason = reason.text if reason else ''
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        if from_nick == room.own_nick: # we are kicked
            room.disconnect()
            if by:
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                kick_msg = _('%(spec)s [You] have been kicked by "[%(by)s]"') % {'spec': theme.CHAR_KICK.replace('"', '\\"'), 'by':by}
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            else:
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                kick_msg = _('%(spec)s [You] have been kicked.') % {'spec':theme.CHAR_KICK.replace('"', '\\"')}
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            # try to auto-rejoin
            if config.get('autorejoin', 'false') == 'true':
                muc.join_groupchat(self.xmpp, room.name, room.own_nick)
        else:
            if by:
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                kick_msg = _('%(spec)s "[%(nick)s]" has been kicked by "[%(by)s]"') % {'spec':theme.CHAR_KICK.replace('"', '\\"'), 'nick':from_nick.replace('"', '\\"'), 'by':by.replace('"', '\\"')}
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            else:
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                kick_msg = _('%(spec)s "[%(nick)s]" has been kicked') % {'spec':theme.CHAR_KICK, 'nick':from_nick.replace('"', '\\"')}
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        if reason:
            kick_msg += _(' Reason: %(reason)s') % {'reason': reason}
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        self.add_message_to_text_buffer(room, kick_msg, colorized=True)
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    def on_user_leave_groupchat(self, room, user, jid, status, from_nick, from_room):
        """
        When an user leaves a groupchat
        """
        room.users.remove(user)
        hide_exit_join = config.get('hide_exit_join', -1) if config.get('hide_exit_join', -1) >= -1 else -1
        if hide_exit_join == -1 or user.has_talked_since(hide_exit_join):
            if not jid.full:
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                leave_msg = _('%(spec)s "[%(nick)s]" has left the room') % {'nick':from_nick.replace('"', '\\"'), 'spec':theme.CHAR_QUIT.replace('"', '\\"')}
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            else:
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                leave_msg = _('%(spec)s "[%(nick)s]" "(%(jid)s)" has left the room') % {'spec':theme.CHAR_QUIT.replace('"', '\\"'), 'nick':from_nick.replace('"', '\\"'), 'jid':jid.full.replace('"', '\\"')}
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            if status:
                leave_msg += ' (%s)' % status
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            self.add_message_to_text_buffer(room, leave_msg, colorized=True)
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        private_room = self.get_room_by_name('%s/%s' % (from_room, from_nick))
        if private_room:
            if not status:
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                self.add_message_to_text_buffer(private_room, _('%(spec)s "[%(nick)s]" has left the room') % {'nick':from_nick.replace('"', '\\"'), 'spec':theme.CHAR_QUIT.replace('"', '\\"')}, colorized=True)
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            else:
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                self.add_message_to_text_buffer(private_room, _('%(spec)s "[%(nick)s]" has left the room "(%(status)s)"') % {'nick':from_nick.replace('"', '\\"'), 'spec':theme.CHAR_QUIT, 'status': status.replace('"', '\\"')}, colorized=True)
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    def on_user_change_status(self, room, user, from_nick, from_room, affiliation, role, show, status):
        """
        When an user changes her status
        """
        # build the message
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        display_message = False # flag to know if something significant enough
        # to be displayed has changed
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        msg = _('"%s" changed: ')% from_nick.replace('"', '\\"')
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        if affiliation != user.affiliation:
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            msg += _('affiliation: %s, ') % affiliation
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            display_message = True
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        if role != user.role:
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            msg += _('role: %s, ') % role
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            display_message = True
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        if show != user.show and show in list(SHOW_NAME.keys()):
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            msg += _('show: %s, ') % SHOW_NAME[show]
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            display_message = True
        if status and status != user.status:
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            msg += _('status: %s, ') % status
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            display_message = True
        if not display_message:
            return
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        msg = msg[:-2] # remove the last ", "
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        hide_status_change = config.get('hide_status_change', -1) if config.get('hide_status_change', -1) >= -1 else -1
        if (hide_status_change == -1 or \
                user.has_talked_since(hide_status_change) or\
                user.nick == room.own_nick)\
                and\
                (affiliation != user.affiliation or\
                    role != user.role or\
                    show != user.show or\
                    status != user.status):
            # display the message in the room
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            self.add_message_to_text_buffer(room, msg, colorized=True)
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        private_room = self.get_room_by_name('%s/%s' % (from_room, from_nick))
        if private_room: # display the message in private
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            self.add_message_to_text_buffer(private_room, msg, colorized=True)
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        # finally, effectively change the user status
        user.update(affiliation, show, status, role)

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    def on_message(self, message):
        """
        When receiving private message from a muc OR a normal message
        (from one of our contacts)
        """
        if message['type'] == 'groupchat':
            return None
        # Differentiate both type of messages, and call the appropriate handler.
        jid_from = message['from']
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        for tab in self.tabs:
            if isinstance(tab, MucTab) and tab.get_name() == jid_from.bare: # check all the MUC we are in
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                if message['type'] == 'error':
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                    return self.room_error(message, tab.get_room().name)
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                else:
                    return self.on_groupchat_private_message(message)
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        return self.on_normal_message(message)

    def on_groupchat_private_message(self, message):
        """
        We received a Private Message (from someone in a Muc)
        """
        jid = message['from']
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        nick_from = jid.resource
        room_from = jid.bare
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        room = self.get_room_by_name(jid.full) # get the tab with the private conversation
        if not room: # It's the first message we receive: create the tab
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            room = self.open_private_window(room_from, nick_from, False)
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            if not room:
                return
        body = message['body']
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        self.add_message_to_text_buffer(room, body, None, nick_from)
        self.refresh_window()
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        doupdate()

435 436 437 438 439
    def focus_tab_named(self, tab_name):
        for tab in self.tabs:
            if tab.get_name() == tab_name:
                self.command_win('%s' % (tab.nb,))

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    def on_normal_message(self, message):
        """
        When receiving "normal" messages (from someone in our roster)
        """
444
        from common import debug
445
        debug('MESSAGE: %s\n' % (message))
446 447
        jid = message['from'].bare
        room = self.get_conversation_by_jid(jid)
448 449 450
        body = message['body']
        if not body:
            return
451 452 453 454 455 456
        if not room:
            room = self.open_conversation_window(jid, False)
            if not room:
                return
        self.add_message_to_text_buffer(room, body, None, jid)
        self.refresh_window()
457 458 459 460 461 462
        return

    def on_presence(self, presence):
        """
        """
        from common import debug
463
        debug('Presence: %s\n' % (presence))
464
        return
465

466 467 468 469 470
    def on_roster_update(self, iq):
        """
        A subscription changed, or we received a roster item
        after a roster request, etc
        """
471
        debug('Roster Update: \n%s\n\n' % iq)
472 473 474 475 476 477 478 479 480 481
        for item in iq.findall('{jabber:iq:roster}query/{jabber:iq:roster}item'):
            jid = item.attrib['jid']
            contact = self.roster.get_contact_by_jid(jid)
            if not contact:
                contact = Contact(jid)
                self.roster.add_contact(contact, jid)
            if 'ask' in item.attrib:
                contact.set_ask(item.attrib['ask'])
            else:
                contact.set_ask(None)
482 483 484 485
            if 'name' in item.attrib:
                contact.set_name(item.attrib['name'])
            else:
                contact.set_name(None)
486 487 488 489 490 491 492
            if item.attrib['subscription']:
                contact.set_subscription(item.attrib['subscription'])
            groups = item.findall('{jabber:iq:roster}group')
            self.roster.edit_groups_of_contact(contact, [group.text for group in groups])
        if isinstance(self.current_tab(), RosterInfoTab):
            # TODO refresh roster_win only
            self.refresh_window()
493

494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509
    def call_for_resize(self):
        """
        Starts a very short timer. If no other terminal resize
        occured in this delay then poezio is REALLY resize.
        This is to avoid multiple unnecessary software resizes (this
        can be heavy on resource on slow computers or networks)
        """
        with resize_lock:
            if self.resize_timer:
                # a recent terminal resize occured.
                # Cancel the programmed software resize
                self.resize_timer.cancel()
            # add the new timer
            self.resize_timer = threading.Timer(0.15, self.resize_window)
            self.resize_timer.start()

510 511 512 513
    def resize_window(self):
        """
        Resize the whole screen
        """
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        with resize_lock:
            self.resize_timer = None
            for tab in self.tabs:
                tab.resize(self.stdscr)
            self.refresh_window()
519

520
    def main_loop(self):
521 522 523
        """
        main loop waiting for the user to press a key
        """
524
        self.refresh_window()
525
        while True:
526
            doupdate()
527
            char=read_char(self.stdscr)
528
            # search for keyboard shortcut
529
            if char in list(self.key_func.keys()):
530
                self.key_func[char]()
531
            else:
532
                self.do_command(char)
533

534
    def current_tab(self):
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        """
        returns the current room, the one we are viewing
        """
538
        return self.tabs[0]
539

540 541 542 543 544 545 546 547 548 549
    def get_conversation_by_jid(self, jid):
        """
        Return the room of the ConversationTab with the given jid
        """
        for tab in self.tabs:
            if isinstance(tab, ConversationTab):
                if tab.get_name() == jid:
                    return tab.get_room()
        return None

550
    def get_room_by_name(self, name):
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        """
        returns the room that has this name
        """
554 555 556 557
        for tab in self.tabs:
            if (isinstance(tab, MucTab) or
                isinstance(tab, PrivateTab)) and tab.get_name() == name:
                return tab.get_room()
558
        return None
559

560
    def init_curses(self, stdscr):
561 562 563
        """
        ncurses initialization
        """
564
        theme.init_colors()
565
        curses.noecho()
566
        curses.curs_set(0)
567
        stdscr.keypad(True)
568

569
    def reset_curses(self):
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        """
        Reset terminal capabilities to what they were before ncurses
        init
        """
        curses.echo()
575
        curses.nocbreak()
576
        curses.endwin()
577

578 579 580 581
    def refresh_window(self):
        """
        Refresh everything
        """
582
        self.current_tab().set_color_state(theme.COLOR_TAB_CURRENT)
583 584
        self.current_tab().refresh(self.tabs, self.information_buffer, self.roster)
        doupdate()
585

586
    def open_new_room(self, room, nick, focus=True):
587
        """
588
        Open a new MucTab containing a muc Room, using the specified nick
589
        """
590 591 592 593
        r = Room(room, nick)
        new_tab = MucTab(self.stdscr, r, self.information_win_size)
        if self.current_tab().nb == 0:
            self.tabs.append(new_tab)
594
        else:
595 596 597
            for ta in self.tabs:
                if ta.nb == 0:
                    self.tabs.insert(self.tabs.index(ta), new_tab)
598
                    break
599
        if focus:
600
            self.command_win("%s" % new_tab.nb)
601
        self.refresh_window()
602

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    def go_to_important_room(self):
        """
        Go to the next room with activity, in this order:
        - A personal conversation with a new message
        - A Muc with an highlight
        - A Muc with any new message
        """
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        for tab in self.tabs:
            if tab.get_color_state() == theme.COLOR_TAB_PRIVATE:
                self.command_win('%s' % tab.nb)
613
                return
614 615 616
        for tab in self.tabs:
            if tab.get_color_state() == theme.COLOR_TAB_HIGHLIGHT:
                self.command_win('%s' % tab.nb)
617
                return
618 619 620
        for tab in self.tabs:
            if tab.get_color_state() == theme.COLOR_TAB_NEW_MESSAGE:
                self.command_win('%s' % tab.nb)
621
                return
622

623
    def rotate_rooms_right(self, args=None):
624 625 626
        """
        rotate the rooms list to the right
        """
627 628 629
        self.current_tab().on_lose_focus()
        self.tabs.append(self.tabs.pop(0))
        self.current_tab().on_gain_focus()
630
        self.refresh_window()
631

632
    def rotate_rooms_left(self, args=None):
633 634 635
        """
        rotate the rooms list to the right
        """
636 637 638
        self.current_tab().on_lose_focus()
        self.tabs.insert(0, self.tabs.pop())
        self.current_tab().on_gain_focus()
639
        self.refresh_window()
640

641
    def scroll_page_down(self, args=None):
642
        self.current_tab().on_scroll_down()
643
        self.refresh_window()
644 645

    def scroll_page_up(self, args=None):
646
        self.current_tab().on_scroll_up()
647
        self.refresh_window()
648

649
    def room_error(self, error, room_name):
650 651 652
        """
        Display the error on the room window
        """
653 654 655 656 657 658
        room = self.get_room_by_name(room_name)
        msg = error['error']['type']
        condition = error['error']['condition']
        code = error['error']['code']
        body = error['error']['text']
        if not body:
659
            if code in list(ERROR_AND_STATUS_CODES.keys()):
660 661
                body = ERROR_AND_STATUS_CODES[code]
            else:
662 663
                body = condition or _('Unknown error')
        if code:
664 665
            msg = _('Error: %(code)s - %(msg)s: %(body)s') % {'msg':msg, 'body':body, 'code':code}
            self.add_message_to_text_buffer(room, msg)
666
        else:
667 668
            msg = _('Error: %(msg)s: %(body)s') % {'msg':msg, 'body':body}
            self.add_message_to_text_buffer(room, msg)
669
        if code == '401':
670 671
            msg = _('To provide a password in order to join the room, type "/join / password" (replace "password" by the real password)')
            self.add_message_to_text_buffer(room, msg)
672
        if code == '409':
673 674 675
            if config.get('alternative_nickname', '') != '':
                self.command_join('%s/%s'% (room.name, room.own_nick+config.get('alternative_nickname', '')))
            else:
676
                self.add_message_to_text_buffer(room, _('You can join the room with an other nick, by typing "/join /other_nick"'))
677
        self.refresh_window()
678

679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698
    def open_conversation_window(self, room_name, focus=True):
        """
        open a new conversation tab and focus it if needed
        """
        r = Room(room_name, self.xmpp.fulljid)
        new_tab = ConversationTab(self.stdscr, r, self.information_win_size)
        # insert it in the rooms
        if self.current_tab().nb == 0:
            self.tabs.append(new_tab)
        else:
            for ta in self.tabs:
                if ta.nb == 0:
                    self.tabs.insert(self.tabs.index(ta), new_tab)
                    break
        if focus:               # focus the room if needed
            self.command_win('%s' % (new_tab.nb))
        # self.window.new_room(r)
        self.refresh_window()
        return r

699
    def open_private_window(self, room_name, user_nick, focus=True):
700
        complete_jid = room_name+'/'+user_nick
701 702 703 704
        for tab in self.tabs: # if the room exists, focus it and return
            if isinstance(tab, PrivateTab):
                if tab.get_name() == complete_jid:
                    self.command_win('%s' % tab.nb)
705 706
                    return
        # create the new tab
707
        room = self.get_room_by_name(room_name)
708 709 710
        if not room:
            return None
        own_nick = room.own_nick
711 712
        r = Room(complete_jid, own_nick) # PrivateRoom here
        new_tab = PrivateTab(self.stdscr, r, self.information_win_size)
713
        # insert it in the rooms
714 715
        if self.current_tab().nb == 0:
            self.tabs.append(new_tab)
716
        else:
717 718 719
            for ta in self.tabs:
                if ta.nb == 0:
                    self.tabs.insert(self.tabs.index(ta), new_tab)
720 721
                    break
        if focus:               # focus the room if needed
722
            self.command_win('%s' % (new_tab.nb))
723
        # self.window.new_room(r)
724
        self.refresh_window()
725 726
        return r

727
    def on_groupchat_message(self, message):
728
        """
729
        Triggered whenever a message is received from a multi-user chat room.
730
        """
731 732
        delay_tag = message.find('{urn:xmpp:delay}delay')
        if delay_tag is not None:
733
            delayed = True
734
            date = common.datetime_tuple(delay_tag.attrib['stamp'])
735
        else:
736 737
            # We support the OLD and deprecated XEP: http://xmpp.org/extensions/xep-0091.html
            # But it sucks, please, Jabber servers, don't do this :(
738 739
            delay_tag = message.find('{jabber:x:delay}x')
            if delay_tag is not None:
740
                delayed = True
741
                date = common.datetime_tuple(delay_tag.attrib['stamp'])
742 743
            else:
                delayed = False
744
                date = None
745
        nick_from = message['mucnick']
746
        room_from = message.getMucroom()
747 748
        if message['type'] == 'error': # Check if it's an error
            return self.room_error(message, from_room)
749 750
        if nick_from == room_from:
            nick_from = None
751
        room = self.get_room_by_name(room_from)
752
        if (room_from in self.ignores) and (nick_from in self.ignores[room_from]):
753
            return
754
        room = self.get_room_by_name(room_from)
755 756
        if not room:
            self.information(_("message received for a non-existing room: %s") % (room_from))
757
            return
758 759
        body = message['body']
        subject = message['subject']
760
        if subject:
761
            if nick_from:
762
                self.add_message_to_text_buffer(room, _("%(nick)s changed the subject to: %(subject)s") % {'nick':nick_from, 'subject':subject}, time=date)
763
            else:
764
                self.add_message_to_text_buffer(room, _("The subject is: %(subject)s") % {'subject':subject}, time=date)
765
            room.topic = subject.replace('\n', '|')
766
        elif body:
767
            if body.startswith('/me '):
768
                self.add_message_to_text_buffer(room, "* "+nick_from + ' ' + body[4:], date)
769
            else:
770
                date = date if delayed == True else None
771
                self.add_message_to_text_buffer(room, body, date, nick_from)
772
        self.refresh_window()
773
        doupdate()
774

775
    def add_message_to_text_buffer(self, room, txt, time=None, nickname=None, colorized=False):
776
        """
777 778
        Add the message to the room if possible, else, add it to the Info window
        (in the Info tab of the info window in the RosterTab)
779
        """
780 781
        if not room:
            self.information('Error, trying to add a message in no room: %s' % txt)
782
        else:
783 784
            room.add_message(txt, time, nickname, colorized)
        self.refresh_window()
785

786
    def command_help(self, arg):
787 788 789
        """
        /help <command_name>
        """
790
        args = arg.split()
791
        if len(args) == 0:
792
            msg = _('Available commands are: ')
793
            for command in list(self.commands.keys()):
794
                msg += "%s " % command
795
            msg += _("\nType /help <command_name> to know what each command does")
796
        if len(args) == 1:
797
            if args[0] in list(self.commands.keys()):
798 799
                msg = self.commands[args[0]][1]
            else:
800
                msg = _('Unknown command: %s') % args[0]
801
        self.information(msg)
802

803 804 805 806
    def command_whois(self, arg):
        """
        /whois <nickname>
        """
807 808
        # TODO
        return
809 810 811 812
        # check shlex here
        try:
            args = shlex.split(arg)
        except ValueError as error:
813
            return self.information(str(error), _("Error"))
814 815
        room = self.current_room()
        if len(args) != 1:
816
            self.add_message_to_text_buffer(room, _('whois command takes exactly one argument'))
817 818 819 820 821 822 823
            return
        # check if current room is a MUC
        if room.jid or room.name == 'Info':
            return
        nickname = args[0]
        self.muc.request_vcard(room.name, nickname)

824 825 826 827