/list command, can join the room with J (cannot sort, search or filter yet, and lacks some information)

1 files changed, 1058 insertions, 0 deletions

diff --git a/src/tabs.py b/src/tabs.py
new file mode 100644
index 00000000..2dc6a017
--- /dev/null
+++ b/src/tabs.py
@@ -0,0 +1,1058 @@
+# Copyright 2010 Le Coz Florent <louiz@louiz.org>
+#
+# 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/>.
+
+"""
+a Tab object is a way to organize various Windows (see windows.py)
+around the screen at once.
+A tab is then composed of multiple Buffer.
+Each Tab object has different refresh() and resize() methods, defining how its
+Buffer are displayed, resized, etc
+"""
+
+MIN_WIDTH = 50
+MIN_HEIGHT = 16
+
+from gettext import (bindtextdomain, textdomain, bind_textdomain_codeset,
+                     gettext as _)
+
+import logging
+log = logging.getLogger(__name__)
+
+import windows
+import theme
+import curses
+import difflib
+import shlex
+
+from sleekxmpp.xmlstream.stanzabase import JID
+from config import config
+from roster import RosterGroup, roster
+from contact import Contact, Resource
+import multiuserchat as muc
+
+class Tab(object):
+    number = 0
+
+    def __init__(self, core):
+        self.core = core        # a pointer to core, to access its attributes (ugly?)
+        self.nb = Tab.number
+        Tab.number += 1
+        self.size = (self.height, self.width) = self.core.stdscr.getmaxyx()
+        if self.height < MIN_HEIGHT or self.width < MIN_WIDTH:
+            self.visible = False
+        else:
+            self.visible = True
+        self.key_func = {}      # each tab should add their keys in there
+                                # and use them in on_input
+        self.commands = {}      # and their own commands
+
+    def complete_commands(self, the_input):
+        """
+        Does command completion on the specified input for both global and tab-specific
+        commands.
+        This should be called from the completion method (on tab, for example), passing
+        the input where completion is to be made.
+        It can completion the command name itself or an argument of the command.
+        Returns True if a completion was made, False else.
+        """
+        txt = the_input.get_text()
+        # check if this is a command
+        if txt.startswith('/') and not txt.startswith('//'):
+            # check if we are in the middle of the command name
+            if len(txt.split()) > 1 or\
+                    (txt.endswith(' ') and not the_input.last_completion):
+                command_name = txt.split()[0][1:]
+                if command_name in self.core.commands:
+                    command = self.core.commands[command_name]
+                elif command_name in self.commands:
+                    command = self.commands[command_name]
+                else:           # Unknown command, cannot complete
+                    return False
+                if command[2] is None:
+                    return False # There's no completion functio
+                else:
+                    return command[2](the_input)
+            else:
+                # complete the command's name
+                words = ['/%s'%(name) for name in list(self.core.commands.keys())] +\
+                    ['/%s'% (name) for name in list(self.commands.keys())]
+                the_input.auto_completion(words, '')
+                return True
+        return False
+
+    def resize(self):
+        self.size = (self.height, self.width) = self.core.stdscr.getmaxyx()
+        if self.height < MIN_HEIGHT or self.width < MIN_WIDTH:
+            self.visible = False
+        else:
+            self.visible = True
+
+    def refresh(self, tabs, informations, roster):
+        """
+        Called on each screen refresh (when something has changed)
+        """
+        raise NotImplementedError
+
+    def get_color_state(self):
+        """
+        returns the color that should be used in the GlobalInfoBar
+        """
+        raise NotImplementedError
+
+    def set_color_state(self, color):
+        """
+        set the color state
+        """
+        raise NotImplementedError
+
+    def get_name(self):
+        """
+        get the name of the tab
+        """
+        raise NotImplementedError
+
+    def on_input(self, key):
+        pass
+
+    def on_lose_focus(self):
+        """
+        called when this tab loses the focus.
+        """
+        pass
+
+    def on_gain_focus(self):
+        """
+        called when this tab gains the focus.
+        """
+        pass
+
+    def add_message(self):
+        """
+        Adds a message in the tab.
+        If the tab cannot add a message in itself (for example
+        FormTab, where text is not intented to be appened), it returns False.
+        If the tab can, it returns True
+        """
+        return False
+
+    def on_scroll_down(self):
+        """
+        Defines what happens when we scrol down
+        """
+        pass
+
+    def on_scroll_up(self):
+        """
+        Defines what happens when we scrol down
+        """
+        pass
+
+    def on_info_win_size_changed(self):
+        """
+        Called when the window with the informations is resized
+        """
+        pass
+
+    def just_before_refresh(self):
+        """
+        Method called just before the screen refresh.
+        Particularly useful to move the cursor at the
+        correct position.
+        """
+        pass
+
+    def on_close(self):
+        """
+        Called when the tab is to be closed
+        """
+        pass
+
+class InfoTab(Tab):
+    """
+    The information tab, used to display global informations
+    when using a anonymous account
+    """
+    def __init__(self, core, name):
+        Tab.__init__(self, core)
+        self.tab_win = windows.GlobalInfoBar()
+        self.text_win = windows.TextWin()
+        self.input = windows.Input()
+        self.name = name
+        self.color_state = theme.COLOR_TAB_NORMAL
+        self.resize()
+
+    def resize(self):
+        Tab.resize(self)
+        self.tab_win.resize(1, self.width, self.height-2, 0, self.core.stdscr)
+        self.tab_win.resize(1, self.width, self.height-2, 0, self.core.stdscr)
+        self.text_win.resize(self.height-2, self.width, 0, 0, self.core.stdscr)
+        self.input.resize(1, self.width, self.height-1, 0, self.core.stdscr)
+
+    def refresh(self, tabs, informations, _):
+        if not self.visible:
+            return
+        self.text_win.refresh(informations)
+        self.tab_win.refresh(tabs, tabs[0])
+        self.input.refresh()
+
+    def get_name(self):
+        return self.name
+
+    def get_color_state(self):
+        return self.color_state
+
+    def set_color_state(self, color):
+        return
+
+    def on_input(self, key):
+        return self.input.do_command(key)
+
+    def on_lose_focus(self):
+        self.color_state = theme.COLOR_TAB_NORMAL
+
+    def on_gain_focus(self):
+        self.color_state = theme.COLOR_TAB_CURRENT
+        curses.curs_set(0)
+
+    def on_scroll_up(self):
+        pass
+
+    def on_scroll_down(self):
+        pass
+
+    def on_info_win_size_changed(self):
+        return
+
+    def just_before_refresh(self):
+        return
+
+    def on_close(self):
+        return
+
+class ChatTab(Tab):
+    """
+    A tab containing a chat of any type.
+    Just use this class instead of Tab if the tab needs a recent-words completion
+    Also, \n, ^J and ^M are already bound to on_enter
+    And also, add the /say command
+    """
+    def __init__(self, core, room):
+        Tab.__init__(self, core)
+        self._room = room
+        self.key_func['M-/'] = self.last_words_completion
+        self.key_func['^J'] = self.on_enter
+        self.key_func['^M'] = self.on_enter
+        self.key_func['\n'] = self.on_enter
+        self.commands['say'] =  (self.command_say,
+                                 _("""Usage: /say <message>\nSay: Just send the message.
+                                        Useful if you want your message to begin with a '/'"""), None)
+
+    def last_words_completion(self):
+        """
+        Complete the input with words recently said
+        """
+        # build the list of the recent words
+        char_we_dont_want = [',', '(', ')', '.', '"', '\'', ' ', # The last one is nbsp
+                             '’', '“', '”', ':', ';', '[', ']', '{', '}']
+        words = list()
+        for msg in self._room.messages[:-40:-1]:
+            if not msg:
+                continue
+            txt = msg.txt
+            for char in char_we_dont_want:
+                txt = txt.replace(char, ' ')
+            for word in txt.split():
+                if len(word) >= 4 and word not in words:
+                    words.append(word)
+        self.input.auto_completion(words, ' ')
+
+    def on_enter(self):
+        txt = self.input.key_enter()
+        if txt.startswith('/') and not txt.startswith('//') and\
+                not txt.startswith('/me '):
+            command = txt.strip().split()[0][1:]
+            arg = txt[2+len(command):] # jump the '/' and the ' '
+            if command in self.core.commands: # check global commands
+                self.core.commands[command][0](arg)
+            elif command in self.commands: # check tab-specific commands
+                self.commands[command][0](arg)
+            else:
+                self.core.information(_("Unknown command (%s)") % (command), _('Error'))
+        else:
+            if txt.startswith('//'):
+                txt = txt[1:]
+            self.command_say(txt)
+
+    def command_say(self, line):
+        raise NotImplementedError
+
+class MucTab(ChatTab):
+    """
+    The tab containing a multi-user-chat room.
+    It contains an userlist, an input, a topic, an information and a chat zone
+    """
+    def __init__(self, core, room):
+        ChatTab.__init__(self, core, room)
+        self.topic_win = windows.Topic()
+        self.text_win = windows.TextWin()
+        self.v_separator = windows.VerticalSeparator()
+        self.user_win = windows.UserList()
+        self.info_header = windows.MucInfoWin()
+        self.info_win = windows.TextWin()
+        self.tab_win = windows.GlobalInfoBar()
+        self.input = windows.MessageInput()
+        self.ignores = []       # set of Users
+        # keys
+        self.key_func['^I'] = self.completion
+        self.key_func['M-i'] = self.completion
+        # commands
+        self.commands['ignore'] = (self.command_ignore, _("Usage: /ignore <nickname> \nIgnore: Ignore a specified nickname."), None)
+        self.commands['unignore'] = (self.command_unignore, _("Usage: /unignore <nickname>\nUnignore: Remove the specified nickname from the ignore list."), None)
+        self.commands['kick'] =  (self.command_kick, _("Usage: /kick <nick> [reason]\nKick: Kick the user with the specified nickname. You also can give an optional reason."), None)
+        self.commands['topic'] = (self.command_topic, _("Usage: /topic <subject>\nTopic: Change the subject of the room"), None)
+        self.commands['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'), None)
+        self.commands['part'] = (self.command_part, _("Usage: /part [message]\n Part: disconnect from a room. You can specify an optional message."), None)
+        self.commands['nick'] = (self.command_nick, _("Usage: /nick <nickname>\nNick: Change your nickname in the current room"), None)
+        self.commands['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.'), None)
+        self.resize()
+
+    def command_recolor(self, arg):
+        """
+        Re-assign color to the participants of the room
+        """
+        room = self.get_room()
+        i = 0
+        compare_users = lambda x: x.last_talked
+        users = list(room.users)
+        # search our own user, to remove it from the room
+        for user in users:
+            if user.nick == room.own_nick:
+                users.remove(user)
+        nb_color = len(theme.LIST_COLOR_NICKNAMES)
+        for user in sorted(users, key=compare_users, reverse=True):
+            user.color = theme.LIST_COLOR_NICKNAMES[i % nb_color]
+            i+= 1
+        self.core.refresh_window()
+
+    def command_nick(self, arg):
+        """
+        /nick <nickname>
+        """
+        try:
+            args = shlex.split(arg)
+        except ValueError as error:
+            return self.core.information(str(error), _("Error"))
+        if len(args) != 1:
+            return
+        nick = args[0]
+        room = self.get_room()
+        if not room.joined:
+            return
+        muc.change_nick(self.core.xmpp, room.name, nick)
+
+    def command_part(self, arg):
+        """
+        /part [msg]
+        """
+        args = arg.split()
+        reason = None
+        room = self.get_room()
+        if len(args):
+            msg = ' '.join(args)
+        else:
+            msg = None
+        if self.get_room().joined:
+            muc.leave_groupchat(self.core.xmpp, room.name, room.own_nick, arg)
+        self.core.close_tab()
+
+    def command_query(self, arg):
+        """
+        /query <nick> [message]
+        """
+        try:
+            args = shlex.split(arg)
+        except ValueError as error:
+            return self.core.information(str(error), _("Error"))
+        if len(args) < 1:
+            return
+        nick = args[0]
+        room = self.get_room()
+        r = None
+        for user in room.users:
+            if user.nick == nick:
+                r = self.core.open_private_window(room.name, user.nick)
+        if r and len(args) > 1:
+            msg = arg[len(nick)+1:]
+            muc.send_private_message(self.core.xmpp, r.name, msg)
+            self.core.add_message_to_text_buffer(r, msg, None, r.own_nick)
+
+    def command_topic(self, arg):
+        """
+        /topic [new topic]
+        """
+        if not arg.strip():
+            self.core.add_message_to_text_buffer(self.get_room(),
+                                                 _("The subject of the room is: %s") % self.get_room().topic)
+            return
+        subject = arg
+        muc.change_subject(self.core.xmpp, self.get_room().name, subject)
+
+    def command_kick(self, arg):
+        """
+        /kick <nick> [reason]
+        """
+        try:
+            args = shlex.split(arg)
+        except ValueError as error:
+            return self.core.information(str(error), _("Error"))
+        if len(args) < 1:
+            self.core.command_help('kick')
+            return
+        nick = args[0]
+        if len(args) >= 2:
+            reason = ' '.join(args[1:])
+        else:
+            reason = ''
+        if not self.get_room().joined:
+            return
+        res = muc.eject_user(self.core.xmpp, self.get_name(), nick, reason)
+        if res['type'] == 'error':
+            self.core.room_error(res, self.get_name())
+
+    def command_say(self, line):
+        muc.send_groupchat_message(self.core.xmpp, self.get_name(), line)
+
+    def command_ignore(self, arg):
+        """
+        /ignore <nick>
+        """
+        try:
+            args = shlex.split(arg)
+        except ValueError as error:
+            return self.core.information(str(error), _("Error"))
+        if len(args) != 1:
+            self.core.command_help('ignore')
+            return
+        nick = args[0]
+        user = self._room.get_user_by_name(nick)
+        if not user:
+            self.core.information(_('%s is not in the room') % nick)
+        elif user in self.ignores:
+            self.core.information(_('%s is already ignored') % nick)
+        else:
+            self.ignores.append(user)
+            self.core.information(_("%s is now ignored") % nick, 'info')
+
+    def command_unignore(self, arg):
+        """
+        /unignore <nick>
+        """
+        try:
+            args = shlex.split(arg)
+        except ValueError as error:
+            return self.core.information(str(error), _("Error"))
+        if len(args) != 1:
+            self.core.command_help('unignore')
+            return
+        nick = args[0]
+        user = self._room.get_user_by_name(nick)
+        if not user:
+            self.core.information(_('%s is not in the room') % nick)
+        elif user not in self.ignores:
+            self.core.information(_('%s is not ignored') % nick)
+        else:
+            self.ignores.remove(user)
+            self.core.information(_('%s is now unignored') % nick)
+
+    def resize(self):
+        """
+        Resize the whole window. i.e. all its sub-windows
+        """
+        Tab.resize(self)
+        text_width = (self.width//10)*9
+        self.topic_win.resize(1, self.width, 0, 0, self.core.stdscr)
+        self.text_win.resize(self.height-4-self.core.information_win_size, text_width, 1, 0, self.core.stdscr)
+        self.v_separator.resize(self.height-3, 1, 1, 9*(self.width//10), self.core.stdscr)
+        self.user_win.resize(self.height-3, self.width-text_width-1, 1, text_width+1, self.core.stdscr)
+        self.info_header.resize(1, (self.width//10)*9, self.height-3-self.core.information_win_size, 0, self.core.stdscr)
+        self.info_win.resize(self.core.information_win_size, (self.width//10)*9, self.height-2-self.core.information_win_size, 0, self.core.stdscr)
+        self.tab_win.resize(1, self.width, self.height-2, 0, self.core.stdscr)
+        self.input.resize(1, self.width, self.height-1, 0, self.core.stdscr)
+
+    def refresh(self, tabs, informations, _):
+        if not self.visible:
+            return
+        self.topic_win.refresh(self._room.topic)
+        self.text_win.refresh(self._room)
+        self.v_separator.refresh()
+        self.user_win.refresh(self._room.users)
+        self.info_header.refresh(self._room)
+        self.info_win.refresh(informations)
+        self.tab_win.refresh(tabs, tabs[0])
+        self.input.refresh()
+
+    def on_input(self, key):
+        if key in self.key_func:
+            self.key_func[key]()
+            return False
+        self.input.do_command(key)
+        return False
+
+    def completion(self):
+        """
+        Called when Tab is pressed, complete the nickname in the input
+        """
+        if self.complete_commands(self.input):
+            return
+        compare_users = lambda x: x.last_talked
+        word_list = [user.nick for user in sorted(self._room.users, key=compare_users, reverse=True)]
+        after = config.get('after_completion', ',')+" "
+        if ' ' not in self.input.get_text() or (self.input.last_completion and\
+                     self.input.get_text()[:-len(after)] == self.input.last_completion):
+            add_after = after
+        else:
+            add_after = ' '
+        self.input.auto_completion(word_list, add_after)
+
+    def get_color_state(self):
+        return self._room.color_state
+
+    def set_color_state(self, color):
+        self._room.set_color_state(color)
+
+    def get_name(self):
+        return self._room.name
+
+    def get_room(self):
+        return self._room
+
+    def on_lose_focus(self):
+        self._room.set_color_state(theme.COLOR_TAB_NORMAL)
+        self._room.remove_line_separator()
+        self._room.add_line_separator()
+
+    def on_gain_focus(self):
+        self._room.set_color_state(theme.COLOR_TAB_CURRENT)
+        curses.curs_set(1)
+
+    def on_scroll_up(self):
+        self._room.scroll_up(self.text_win.height-1)
+
+    def on_scroll_down(self):
+        self._room.scroll_down(self.text_win.height-1)
+
+    def on_info_win_size_changed(self):
+        text_width = (self.width//10)*9
+        self.text_win.resize(self.height-4-self.core.information_win_size, text_width, 1, 0, self.core.stdscr)
+        self.info_header.resize(1, (self.width//10)*9, self.height-3-self.core.information_win_size, 0, self.core.stdscr)
+        self.info_win.resize(self.core.information_win_size, (self.width//10)*9, self.height-2-self.core.information_win_size, 0, self.core.stdscr)
+
+    def just_before_refresh(self):
+        return
+
+    def on_close(self):
+        return
+
+class PrivateTab(ChatTab):
+    """
+    The tab containg a private conversation (someone from a MUC)
+    """
+    def __init__(self, core, room):
+        ChatTab.__init__(self, core, room)
+        self.text_win = windows.TextWin()
+        self.info_header = windows.PrivateInfoWin()
+        self.info_win = windows.TextWin()
+        self.tab_win = windows.GlobalInfoBar()
+        self.input = windows.MessageInput()
+        # keys
+        self.key_func['^I'] = self.completion
+        self.key_func['M-i'] = self.completion
+        # commands
+        self.commands['unquery'] = (self.command_unquery, _("Usage: /unquery\nUnquery: close the tab"), None)
+        self.commands['part'] = (self.command_unquery, _("Usage: /part\Part: close the tab"), None)
+        self.resize()
+
+    def completion(self):
+        self.complete_commands(self.input)
+
+    def command_say(self, line):
+        muc.send_private_message(self.core.xmpp, self.get_name(), line)
+        self.core.add_message_to_text_buffer(self.get_room(), line, None, self.get_room().own_nick)
+
+    def command_unquery(self, arg):
+        """
+        /unquery
+        """
+        self.core.close_tab()
+
+    def resize(self):
+        Tab.resize(self)
+        self.text_win.resize(self.height-3-self.core.information_win_size, self.width, 0, 0, self.core.stdscr)
+        self.info_header.resize(1, self.width, self.height-3-self.core.information_win_size, 0, self.core.stdscr)
+        self.info_win.resize(self.core.information_win_size, self.width, self.height-2-self.core.information_win_size, 0, self.core.stdscr)
+        self.tab_win.resize(1, self.width, self.height-2, 0, self.core.stdscr)
+        self.input.resize(1, self.width, self.height-1, 0, self.core.stdscr)
+
+    def refresh(self, tabs, informations, _):
+        if not self.visible:
+            return
+        self.text_win.refresh(self._room)
+        self.info_header.refresh(self._room)
+        self.info_win.refresh(informations)
+        self.tab_win.refresh(tabs, tabs[0])
+        self.input.refresh()
+
+    def get_color_state(self):
+        if self._room.color_state == theme.COLOR_TAB_NORMAL or\
+                self._room.color_state == theme.COLOR_TAB_CURRENT:
+            return self._room.color_state
+        return theme.COLOR_TAB_PRIVATE
+
+    def set_color_state(self, color):
+        self._room.color_state = color
+
+    def get_name(self):
+        return self._room.name
+
+    def on_input(self, key):
+        if key in self.key_func:
+            self.key_func[key]()
+            return False
+        self.input.do_command(key)
+        return False
+
+    def on_lose_focus(self):
+        self._room.set_color_state(theme.COLOR_TAB_NORMAL)
+        self._room.remove_line_separator()
+        self._room.add_line_separator()
+
+    def on_gain_focus(self):
+        self._room.set_color_state(theme.COLOR_TAB_CURRENT)
+        curses.curs_set(1)
+
+    def on_scroll_up(self):
+        self._room.scroll_up(self.text_win.height-1)
+
+    def on_scroll_down(self):
+        self._room.scroll_down(self.text_win.height-1)
+
+    def on_info_win_size_changed(self):
+        self.text_win.resize(self.height-3-self.core.information_win_size, self.width, 0, 0, self.core.stdscr)
+        self.info_header.resize(1, self.width, self.height-3-self.core.information_win_size, 0, self.core.stdscr)
+        self.info_win.resize(self.core.information_win_size, self.width, self.height-2-self.core.information_win_size, 0, self.core.stdscr)
+
+    def get_room(self):
+        return self._room
+
+    def just_before_refresh(self):
+        return
+
+    def on_close(self):
+        return
+
+class RosterInfoTab(Tab):
+    """
+    A tab, splitted in two, containing the roster and infos
+    """
+    def __init__(self, core):
+        Tab.__init__(self, core)
+        self.name = "Roster"
+        self.v_separator = windows.VerticalSeparator()
+        self.tab_win = windows.GlobalInfoBar()
+        self.info_win = windows.TextWin()
+        self.roster_win = windows.RosterWin()
+        self.contact_info_win = windows.ContactInfoWin()
+        self.default_help_message = windows.HelpText("Enter commands with “/”. “o”: toggle offline show")
+        self.input = self.default_help_message
+        self.set_color_state(theme.COLOR_TAB_NORMAL)
+        self.key_func['^I'] = self.completion
+        self.key_func['M-i'] = self.completion
+        self.key_func["^J"] = self.on_enter
+        self.key_func["^M"] = self.on_enter
+        self.key_func[' '] = self.on_space
+        self.key_func["/"] = self.on_slash
+        self.key_func["KEY_UP"] = self.move_cursor_up
+        self.key_func["KEY_DOWN"] = self.move_cursor_down
+        self.key_func["o"] = self.toggle_offline_show
+        self.key_func["^F"] = self.start_search
+        self.resize()
+
+    def resize(self):
+        Tab.resize(self)
+        roster_width = self.width//2
+        info_width = self.width-roster_width-1
+        self.v_separator.resize(self.height-2, 1, 0, roster_width, self.core.stdscr)
+        self.tab_win.resize(1, self.width, self.height-2, 0, self.core.stdscr)
+        self.info_win.resize(self.height-2, info_width, 0, roster_width+1, self.core.stdscr)
+        self.roster_win.resize(self.height-2-3, roster_width, 0, 0, self.core.stdscr)
+        self.contact_info_win.resize(3, roster_width, self.height-2-3, 0, self.core.stdscr)
+        self.input.resize(1, self.width, self.height-1, 0, self.core.stdscr)
+
+    def completion(self):
+        # Check if we are entering a command (with the '/' key)
+        if isinstance(self.input, windows.CommandInput) and\
+                not self.input.help_message:
+            self.complete_commands(self.input)
+
+    def refresh(self, tabs, informations, roster):
+        if not self.visible:
+            return
+        self.v_separator.refresh()
+        self.roster_win.refresh(roster)
+        self.contact_info_win.refresh(self.roster_win.get_selected_row())
+        self.info_win.refresh(informations)
+        self.tab_win.refresh(tabs, tabs[0])
+        self.input.refresh()
+
+    def get_name(self):
+        return self.name
+
+    def get_color_state(self):
+        return self._color_state
+
+    def set_color_state(self, color):
+        self._color_state = color
+
+    def on_input(self, key):
+        res = self.input.do_command(key)
+        if res:
+            return True
+        if key in self.key_func:
+            return self.key_func[key]()
+
+    def toggle_offline_show(self):
+        """
+        Show or hide offline contacts
+        """
+        option = 'roster_show_offline'
+        if config.get(option, 'false') == 'false':
+            config.set_and_save(option, 'true')
+        else:
+            config.set_and_save(option, 'false')
+        return True
+
+    def on_slash(self):
+        """
+        '/' is pressed, we enter "input mode"
+        """
+        curses.curs_set(1)
+        self.input = windows.CommandInput("", self.reset_help_message, self.execute_slash_command)
+        self.input.resize(1, self.width, self.height-1, 0, self.core.stdscr)
+        self.input.do_command("/") # we add the slash
+
+    def reset_help_message(self, _=None):
+        curses.curs_set(0)
+        self.input = self.default_help_message
+        return True
+
+    def execute_slash_command(self, txt):
+        if txt.startswith('/'):
+            self.core.execute(txt)
+        return self.reset_help_message()
+
+    def on_lose_focus(self):
+        self._color_state = theme.COLOR_TAB_NORMAL
+
+    def on_gain_focus(self):
+        self._color_state = theme.COLOR_TAB_CURRENT
+        curses.curs_set(0)
+
+    def add_message(self):
+        return False
+
+    def move_cursor_down(self):
+        self.roster_win.move_cursor_down()
+        return True
+
+    def move_cursor_up(self):
+        self.roster_win.move_cursor_up()
+        return True
+
+    def on_scroll_down(self):
+        # Scroll info win
+        pass
+
+    def on_scroll_up(self):
+        # Scroll info down
+        pass
+
+    def on_info_win_size_changed(self):
+        pass
+
+    def on_space(self):
+        selected_row = self.roster_win.get_selected_row()
+        if isinstance(selected_row, RosterGroup) or\
+                isinstance(selected_row, Contact):
+            selected_row.toggle_folded()
+            return True
+
+    def on_enter(self):
+        selected_row = self.roster_win.get_selected_row()
+        self.core.on_roster_enter_key(selected_row)
+        return selected_row
+
+    def start_search(self):
+        """
+        Start the search. The input should appear with a short instruction
+        in it.
+        """
+        curses.curs_set(1)
+        self.input = windows.CommandInput("[Search]", self.on_search_terminate, self.on_search_terminate, self.set_roster_filter)
+        self.input.resize(1, self.width, self.height-1, 0, self.core.stdscr)
+        return True
+
+    def set_roster_filter(self, txt):
+        roster._contact_filter = (jid_and_name_match, txt)
+        self.roster_win.refresh(roster)
+        return False
+
+    def on_search_terminate(self, txt):
+        curses.curs_set(0)
+        roster._contact_filter = None
+        self.reset_help_message()
+        return True
+
+    def just_before_refresh(self):
+        return
+
+    def on_close(self):
+        return
+
+class ConversationTab(ChatTab):
+    """
+    The tab containg a normal conversation (someone from our roster)
+    """
+    def __init__(self, core, text_buffer, jid):
+        ChatTab.__init__(self, core, text_buffer)
+        self.color_state = theme.COLOR_TAB_NORMAL
+        self._name = jid        # a conversation tab is linked to one specific full jid OR bare jid
+        self.text_win = windows.TextWin()
+        self.upper_bar = windows.ConversationStatusMessageWin()
+        self.info_header = windows.ConversationInfoWin()
+        self.info_win = windows.TextWin()
+        self.tab_win = windows.GlobalInfoBar()
+        self.input = windows.MessageInput()
+        # keys
+        self.key_func['^I'] = self.completion
+        self.key_func['M-i'] = self.completion
+        # commands
+        self.commands['unquery'] = (self.command_unquery, _("Usage: /unquery\nUnquery: close the tab"), None)
+        self.commands['part'] = (self.command_unquery, _("Usage: /part\Part: close the tab"), None)
+        self.resize()
+
+    def completion(self):
+        self.complete_commands(self.input)
+
+    def command_say(self, line):
+        muc.send_private_message(self.core.xmpp, self.get_name(), line)
+        self.core.add_message_to_text_buffer(self.get_room(), line, None, self.core.own_nick)
+
+    def command_unquery(self, arg):
+        """
+        /unquery
+        """
+        self.core.close_tab()
+
+    def resize(self):
+        Tab.resize(self)
+        self.text_win.resize(self.height-3-self.core.information_win_size, self.width, 1, 0, self.core.stdscr)
+        self.upper_bar.resize(1, self.width, 0, 0, self.core.stdscr)
+        self.info_header.resize(1, self.width, self.height-3-self.core.information_win_size, 0, self.core.stdscr)
+        self.info_win.resize(self.core.information_win_size, self.width, self.height-2-self.core.information_win_size, 0, self.core.stdscr)
+        self.tab_win.resize(1, self.width, self.height-2, 0, self.core.stdscr)
+        self.input.resize(1, self.width, self.height-1, 0, self.core.stdscr)
+
+    def refresh(self, tabs, informations, roster):
+        if not self.visible:
+            return
+        self.text_win.refresh(self._room)
+        self.upper_bar.refresh(self.get_name(), roster.get_contact_by_jid(self.get_name()))
+        self.info_header.refresh(self.get_name(), roster.get_contact_by_jid(self.get_name()), self._room)
+        self.info_win.refresh(informations)
+        self.tab_win.refresh(tabs, tabs[0])
+        self.input.refresh()
+
+    def get_color_state(self):
+        if self.color_state == theme.COLOR_TAB_NORMAL or\
+                self.color_state == theme.COLOR_TAB_CURRENT:
+            return self.color_state
+        return theme.COLOR_TAB_PRIVATE
+
+    def set_color_state(self, color):
+        self.color_state = color
+
+    def get_name(self):
+        return self._name
+
+    def on_input(self, key):
+        if key in self.key_func:
+            self.key_func[key]()
+            return False
+        self.input.do_command(key)
+        return False
+
+    def on_lose_focus(self):
+        self.set_color_state(theme.COLOR_TAB_NORMAL)
+        self._room.remove_line_separator()
+        self._room.add_line_separator()
+
+    def on_gain_focus(self):
+        self.set_color_state(theme.COLOR_TAB_CURRENT)
+        curses.curs_set(1)
+
+    def on_scroll_up(self):
+        self._room.scroll_up(self.text_win.height-1)
+
+    def on_scroll_down(self):
+        self._room.scroll_down(self.text_win.height-1)
+
+    def on_info_win_size_changed(self):
+        self.text_win.resize(self.height-3-self.core.information_win_size, self.width, 0, 0, self.core.stdscr)
+        self.info_header.resize(1, self.width, self.height-3-self.core.information_win_size, 0, self.core.stdscr)
+        self.info_win.resize(self.core.information_win_size, self.width, self.height-2-self.core.information_win_size, 0, self.core.stdscr)
+
+    def get_room(self):
+        return self._room
+
+    def just_before_refresh(self):
+        return
+
+    def on_close(self):
+        return
+
+class MucListTab(Tab):
+    """
+    A tab listing rooms from a specific server, displaying various information,
+    scrollable, and letting the user join them, etc
+    """
+    def __init__(self, core, server):
+        Tab.__init__(self, core)
+        self._color_state = theme.COLOR_TAB_NORMAL
+        self.name = server
+        self.upper_message = windows.Topic()
+        columns = ('node-part','name', 'users')
+        self.list_header = windows.ColumnHeaderWin(columns)
+        self.listview = windows.ListWin(columns)
+        self.tab_win = windows.GlobalInfoBar()
+        self.default_help_message = windows.HelpText("“j”: join room. “i”: information")
+        self.input = self.default_help_message
+        self.key_func["KEY_DOWN"] = self.listview.move_cursor_down
+        self.key_func["KEY_UP"] = self.listview.move_cursor_up
+        self.key_func["/"] = self.on_slash
+        self.key_func['j'] = self.join_selected
+        self.key_func['J'] = self.join_selected_no_focus
+        self.resize()
+
+    def refresh(self, tabs, informations, roster):
+        self.upper_message.refresh('Chatroom list on server %s' % self.name)
+        self.list_header.refresh()
+        self.listview.refresh()
+        self.tab_win.refresh(tabs, tabs[0])
+        self.input.refresh()
+
+    def resize(self):
+        Tab.resize(self)
+        self.upper_message.resize(1, self.width, 0, 0, self.core.stdscr)
+        column_size = {'node-part': (self.width-5)//4,
+                       'name': (self.width-5)//4*3,
+                       'users': 5}
+        self.list_header.resize_columns(column_size)
+        self.list_header.resize(1, self.width, 1, 0, self.core.stdscr)
+        self.listview.resize_columns(column_size)
+        self.listview.resize(self.height-4, self.width, 2, 0, self.core.stdscr)
+        self.tab_win.resize(1, self.width, self.height-2, 0, self.core.stdscr)
+        self.input.resize(1, self.width, self.height-1, 0, self.core.stdscr)
+
+    def on_slash(self):
+        """
+        '/' is pressed, activate the input
+        """
+        curses.curs_set(1)
+        self.input = windows.CommandInput("", self.reset_help_message, self.execute_slash_command)
+        self.input.resize(1, self.width, self.height-1, 0, self.core.stdscr)
+        self.input.do_command("/") # we add the slash
+
+    def join_selected_no_focus(self):
+        return
+
+    def join_selected(self):
+        jid = self.listview.get_selected_row()['jid']
+        self.core.command_join(jid)
+
+    def reset_help_message(self, _=None):
+        curses.curs_set(0)
+        self.input = self.default_help_message
+        return True
+
+    def execute_slash_command(self, txt):
+        if txt.startswith('/'):
+            self.core.execute(txt)
+        return self.reset_help_message()
+
+    def get_color_state(self):
+        return theme.COLOR_TAB_NORMAL
+
+    def set_color_state(self, color):
+        pass
+
+    def get_name(self):
+        return self.name
+
+    def on_input(self, key):
+        res = self.input.do_command(key)
+        if res:
+            return True
+        if key in self.key_func:
+            return self.key_func[key]()
+
+    def on_lose_focus(self):
+        self._color_state = theme.COLOR_TAB_NORMAL
+
+    def on_gain_focus(self):
+        self._color_state = theme.COLOR_TAB_CURRENT
+        curses.curs_set(0)
+
+    def get_color_state(self):
+        return self._color_state
+
+
+def diffmatch(search, string):
+    """
+    Use difflib and a loop to check if search_pattern can
+    be 'almost' found INSIDE a string.
+    'almost' being defined by difflib
+    """
+    l = len(search)
+    ratio = 0.7
+    for i in range(len(string) - l + 1):
+        if difflib.SequenceMatcher(None, search, string[i:i+l]).ratio() >= ratio:
+            return True
+    return False
+
+def jid_and_name_match(contact, txt):
+    """
+    A function used to know if a contact in the roster should
+    be shown in the roster
+    """
+    ratio = 0.7
+    if not txt:
+        return True             # Everything matches when search is empty
+    user = JID(contact.get_bare_jid()).user
+    if diffmatch(txt, user):
+        return True
+    if contact.get_name() and diffmatch(txt, contact.get_name()):
+        return True
+    return False