gui.py 54.5 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.previous_tab_nb = 0
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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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            'M-r': self.go_to_roster,
            '^W': self.go_to_previous_tab,
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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')
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        self.information('%s is offline' % (contact.get_jid()), "Roster")
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    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)
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        self.information("%s is 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)
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        if room.own_nick == user.nick:
            # We are now out of the room. Happens with some buggy (? not sure) servers
            room.disconnect()
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        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
433
            room = self.open_private_window(room_from, nick_from, False)
434 435 436
            if not room:
                return
        body = message['body']
437 438
        self.add_message_to_text_buffer(room, body, None, nick_from)
        self.refresh_window()
439 440
        doupdate()

441 442 443 444 445
    def focus_tab_named(self, tab_name):
        for tab in self.tabs:
            if tab.get_name() == tab_name:
                self.command_win('%s' % (tab.nb,))

446 447 448 449
    def on_normal_message(self, message):
        """
        When receiving "normal" messages (from someone in our roster)
        """
450
        from common import debug
451
        debug('MESSAGE: %s\n' % (message))
452 453
        jid = message['from'].bare
        room = self.get_conversation_by_jid(jid)
454 455 456
        body = message['body']
        if not body:
            return
457 458 459 460 461 462
        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()
463 464 465 466 467 468
        return

    def on_presence(self, presence):
        """
        """
        from common import debug
469
        debug('Presence: %s\n' % (presence))
470
        return
471

472 473 474 475 476
    def on_roster_update(self, iq):
        """
        A subscription changed, or we received a roster item
        after a roster request, etc
        """
477
        debug('Roster Update: \n%s\n\n' % iq)
478 479 480 481 482 483 484 485 486 487
        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)
488 489 490 491
            if 'name' in item.attrib:
                contact.set_name(item.attrib['name'])
            else:
                contact.set_name(None)
492 493 494 495 496 497 498
            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()
499

500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515
    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()

516 517 518 519
    def resize_window(self):
        """
        Resize the whole screen
        """
520 521 522 523 524
        with resize_lock:
            self.resize_timer = None
            for tab in self.tabs:
                tab.resize(self.stdscr)
            self.refresh_window()
525

526
    def main_loop(self):
527 528 529
        """
        main loop waiting for the user to press a key
        """
530
        self.refresh_window()
531
        while True:
532
            doupdate()
533
            char=read_char(self.stdscr)
534
            # search for keyboard shortcut
535
            if char in list(self.key_func.keys()):
536
                self.key_func[char]()
537
            else:
538
                self.do_command(char)
539

540
    def current_tab(self):
541 542 543
        """
        returns the current room, the one we are viewing
        """
544
        return self.tabs[0]
545

546 547 548 549 550 551 552 553 554 555
    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

556
    def get_room_by_name(self, name):
557 558 559
        """
        returns the room that has this name
        """
560 561 562 563
        for tab in self.tabs:
            if (isinstance(tab, MucTab) or
                isinstance(tab, PrivateTab)) and tab.get_name() == name:
                return tab.get_room()
564
        return None
565

566
    def init_curses(self, stdscr):
567 568 569
        """
        ncurses initialization
        """
570
        theme.init_colors()
571
        curses.noecho()
572
        curses.curs_set(0)
573
        stdscr.keypad(True)
574

575
    def reset_curses(self):
576 577 578 579 580
        """
        Reset terminal capabilities to what they were before ncurses
        init
        """
        curses.echo()
581
        curses.nocbreak()
582
        curses.endwin()
583

584 585 586 587
    def refresh_window(self):
        """
        Refresh everything
        """
588
        self.current_tab().set_color_state(theme.COLOR_TAB_CURRENT)
589 590
        self.current_tab().refresh(self.tabs, self.information_buffer, self.roster)
        doupdate()
591

592
    def open_new_room(self, room, nick, focus=True):
593
        """
594
        Open a new MucTab containing a muc Room, using the specified nick
595
        """
596 597 598 599
        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)
600
        else:
601 602 603
            for ta in self.tabs:
                if ta.nb == 0:
                    self.tabs.insert(self.tabs.index(ta), new_tab)
604
                    break
605
        if focus:
606
            self.command_win("%s" % new_tab.nb)
607
        self.refresh_window()
608

609 610 611 612 613 614
    def go_to_roster(self):
        self.command_win('0')

    def go_to_previous_tab(self):
        self.command_win('%s' % (self.previous_tab_nb,))

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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
        """
622 623 624
        for tab in self.tabs:
            if tab.get_color_state() == theme.COLOR_TAB_PRIVATE:
                self.command_win('%s' % tab.nb)
625
                return
626 627 628
        for tab in self.tabs:
            if tab.get_color_state() == theme.COLOR_TAB_HIGHLIGHT:
                self.command_win('%s' % tab.nb)
629
                return
630 631 632
        for tab in self.tabs:
            if tab.get_color_state() == theme.COLOR_TAB_NEW_MESSAGE:
                self.command_win('%s' % tab.nb)
633
                return
634

635
    def rotate_rooms_right(self, args=None):
636 637 638
        """
        rotate the rooms list to the right
        """
639 640 641
        self.current_tab().on_lose_focus()
        self.tabs.append(self.tabs.pop(0))
        self.current_tab().on_gain_focus()
642
        self.refresh_window()
643

644
    def rotate_rooms_left(self, args=None):
645 646 647
        """
        rotate the rooms list to the right
        """
648 649 650
        self.current_tab().on_lose_focus()
        self.tabs.insert(0, self.tabs.pop())
        self.current_tab().on_gain_focus()
651
        self.refresh_window()
652

653
    def scroll_page_down(self, args=None):
654
        self.current_tab().on_scroll_down()
655
        self.refresh_window()
656 657

    def scroll_page_up(self, args=None):
658
        self.current_tab().on_scroll_up()
659
        self.refresh_window()
660

661
    def room_error(self, error, room_name):
662 663 664
        """
        Display the error on the room window
        """
665 666 667 668 669 670
        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:
671
            if code in list(ERROR_AND_STATUS_CODES.keys()):
672 673
                body = ERROR_AND_STATUS_CODES[code]
            else:
674 675
                body = condition or _('Unknown error')
        if code:
676 677
            msg = _('Error: %(code)s - %(msg)s: %(body)s') % {'msg':msg, 'body':body, 'code':code}
            self.add_message_to_text_buffer(room, msg)
678
        else:
679 680
            msg = _('Error: %(msg)s: %(body)s') % {'msg':msg, 'body':body}
            self.add_message_to_text_buffer(room, msg)
681
        if code == '401':
682 683
            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)
684
        if code == '409':
685 686 687
            if config.get('alternative_nickname', '') != '':
                self.command_join('%s/%s'% (room.name, room.own_nick+config.get('alternative_nickname', '')))
            else:
688
                self.add_message_to_text_buffer(room, _('You can join the room with an other nick, by typing "/join /other_nick"'))
689
        self.refresh_window()
690

691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710
    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

711
    def open_private_window(self, room_name, user_nick, focus=True):
712
        complete_jid = room_name+'/'+user_nick
713 714 715 716
        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)
717 718
                    return
        # create the new tab
719
        room = self.get_room_by_name(room_name)
720 721 722
        if not room:
            return None
        own_nick = room.own_nick
723 724
        r = Room(complete_jid, own_nick) # PrivateRoom here
        new_tab = PrivateTab(self.stdscr, r, self.information_win_size)
725
        # insert it in the rooms
726 727
        if self.current_tab().nb == 0:
            self.tabs.append(new_tab)
728
        else:
729 730 731
            for ta in self.tabs:
                if ta.nb == 0:
                    self.tabs.insert(self.tabs.index(ta), new_tab)
732 733
                    break
        if focus:               # focus the room if needed
734
            self.command_win('%s' % (new_tab.nb))
735
        # self.window.new_room(r)
736
        self.refresh_window()
737 738
        return r

739
    def on_groupchat_message(self, message):
740
        """
741
        Triggered whenever a message is received from a multi-user chat room.
742
        """
743 744
        delay_tag = message.find('{urn:xmpp:delay}delay')
        if delay_tag is not None:
745
            delayed = True
746
            date = common.datetime_tuple(delay_tag.attrib['stamp'])
747
        else:
748 749
            # We support the OLD and deprecated XEP: http://xmpp.org/extensions/xep-0091.html
            # But it sucks, please, Jabber servers, don't do this :(
750 751
            delay_tag = message.find('{jabber:x:delay}x')
            if delay_tag is not None:
752
                delayed = True
753
                date = common.datetime_tuple(delay_tag.attrib['stamp'])
754 755
            else:
                delayed = False
756
                date = None
757
        nick_from = message['mucnick']
758
        room_from = message.getMucroom()
759 760
        if message['type'] == 'error': # Check if it's an error
            return self.room_error(message, from_room)
761 762
        if nick_from == room_from:
            nick_from = None
763
        room = self.get_room_by_name(room_from)
764
        if (room_from in self.ignores) and (nick_from in self.ignores[room_from]):
765
            return
766
        room = self.get_room_by_name(room_from)
767 768
        if not room:
            self.information(_("message received for a non-existing room: %s") % (room_from))
769
            return
770 771
        body = message['body']
        subject = message['subject']
772
        if subject:
773
            if nick_from:
774
                self.add_message_to_text_buffer(room, _("%(nick)s changed the subject to: %(subject)s") % {'nick':nick_from, 'subject':subject}, time=date)
775
            else:
776
                self.add_message_to_text_buffer(room, _("The subject is: %(subject)s") % {'subject':subject}, time=date)
777
            room.topic = subject.replace('\n', '|')
778
        elif body:
779
            if body.startswith('/me '):
780
                self.add_message_to_text_buffer(room, "* "+nick_from + ' ' + body[4:], date)
781
            else:
782
                date = date if delayed == True else None
783
                self.add_message_to_text_buffer(room, body, date, nick_from)
784
        self.refresh_window()
785
        doupdate()
786

787
    def add_message_to_text_buffer(self, room, txt, time=None, nickname=None, colorized=False):
788
        """
789 790
        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)
791
        """
792 793
        if not room:
            self.information('Error, trying to add a message in no room: %s' % txt)
794
        else:
795 796
            room.add_message(txt, time, nickname, colorized)
        self.refresh_window()
797

798
    def command_help(self, arg):
799 800 801
        """
        /help <command_name>
        """
802
        args = arg.split()
803
        if len(args) == 0:
804
            msg = _('Available commands are: ')
805
            for command in list(self.commands.keys()):
806
                msg += "%s " % command
807
            msg += _("\nType /help <command_name> to know what each command does")
808
        if len(args) == 1:
809
            if args[0] in list(self.commands.keys()):
810 811
                msg = self.commands[args[0]][1]
            else:
812
                msg = _('Unknown command: %s') % args[0]
813
        self.information(msg)
814

815 816 817 818
    def command_whois(self, arg):
        """
        /whois <nickname>
        """