Basic implementation of the roster and one to one conversations

9 files changed, 511 insertions, 118 deletions

diff --git a/src/common.py b/src/common.py
index 061c9d84..cbe29fb0 100644
--- a/src/common.py
+++ b/src/common.py
@@ -58,13 +58,7 @@ def debug(string):
     a CLI software
     """
     fdes = open("/tmp/debug", 'a')
-    try:
-        fdes.write(string)
-    except:
-        try:
-            fdes.write(string.encode('utf-8'))
-        except:
-            fdes.write(string.encode('utf-8'))
+    fdes.write(string)
     fdes.close()
 
 def get_base64_from_file(path):
diff --git a/src/contact.py b/src/contact.py
index c3b07fc2..510e208a 100644
--- a/src/contact.py
+++ b/src/contact.py
@@ -22,8 +22,32 @@ class Contact(object):
     """
     def __init__(self, jid):
         self._jid = JID(jid)         # a SleekXMPP jid object
-        self._display_name = None
-        self.groups = []        # a list of groups the contact is in
+        self._display_name = ''
+        self._subscription = 'none'
+        self._ask = None
+        self._status = ''
+        self._presence = 'unavailable'
+        self._priority = 0
+        self._groups = []       # a list of groups the contact is in
 
-    def getJid(self):
+    def set_ask(self, ask):
+        self._ask = ask
+
+    def set_subscription(self, sub):
+        self._subscription = sub
+
+    def get_jid(self):
         return self._jid
+
+    def __repr__(self):
+        return '%s' % self._jid
+
+    def set_priority(self, priority):
+        assert isinstance(priority, int)
+        self._priority = priority
+
+    def set_presence(self, pres):
+        self._presence = pres
+
+    def get_presence(self):
+        return self._presence
diff --git a/src/gui.py b/src/gui.py
index 2f4023a0..30624331 100644
--- a/src/gui.py
+++ b/src/gui.py
@@ -35,15 +35,17 @@ import theme
 import multiuserchat as muc
 from handler import Handler
 from config import config
-from tab import MucTab, InfoTab, PrivateTab, RosterInfoTab
+from tab import MucTab, InfoTab, PrivateTab, RosterInfoTab, ConversationTab
 from user import User
 from room import Room
 from roster import Roster
+from contact import Contact
 from message import Message
 from text_buffer import TextBuffer
 from keyboard import read_char
 from common import is_jid_the_same, jid_get_domain, jid_get_resource, is_jid
 
+from common import debug
 # http://xmpp.org/extensions/xep-0045.html#errorstatus
 ERROR_AND_STATUS_CODES = {
     '401': _('A password is required'),
@@ -75,8 +77,9 @@ class Gui(object):
         self.init_curses(self.stdscr)
         self.xmpp = xmpp
         default_tab = InfoTab(self.stdscr, "Info") if self.xmpp.anon\
-            else RosterInfoTab(self.stdscr, self.xmpp.roster)
+            else RosterInfoTab(self.stdscr)
         self.tabs = [default_tab]
+        self.roster = Roster()
         # a unique buffer used to store global informations
         # that are displayed in almost all tabs, in an
         # information window.
@@ -136,8 +139,10 @@ class Gui(object):
         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)
-        self.xmpp.add_event_handler("presence", self.on_presence)
+        self.xmpp.add_event_handler("got_online" , self.on_got_online)
+        self.xmpp.add_event_handler("got_offline" , self.on_got_offline)
         self.xmpp.add_event_handler("roster_update", self.on_roster_update)
+        # self.xmpp.add_event_handler("presence", self.on_presence)
 
     def grow_information_win(self):
         """
@@ -159,6 +164,25 @@ class Gui(object):
             tab.on_info_win_size_changed(self.information_win_size, self.stdscr)
         self.refresh_window()
 
+    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")
+
     def on_connected(self, event):
         """
         Called when we are connected and authenticated
@@ -409,6 +433,15 @@ class Gui(object):
         """
         from common import debug
         debug('MESSAGE: %s\n' % (message))
+        jid = message['from'].bare
+        room = self.get_conversation_by_jid(jid)
+        if not room:
+            room = self.open_conversation_window(jid, False)
+            if not room:
+                return
+        body = message['body']
+        self.add_message_to_text_buffer(room, body, None, jid)
+        self.refresh_window()
         return
 
     def on_presence(self, presence):
@@ -423,10 +456,24 @@ class Gui(object):
         A subscription changed, or we received a roster item
         after a roster request, etc
         """
-        from common import debug
-        debug("ROSTER UPDATE: %s\n" % (iq))
-        for subscriber in iq['roster']['items']:
-            debug("subscriber: %s\n" % (iq['roster']['items'][subscriber]['subscription']))
+        # debug('Roster Update: \n%s\n\n' % iq)
+        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)
+            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()
 
     def resize_window(self):
         """
@@ -456,6 +503,16 @@ class Gui(object):
         """
         return self.tabs[0]
 
+    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
+
     def get_room_by_name(self, name):
         """
         returns the room that has this name
@@ -489,7 +546,8 @@ class Gui(object):
         Refresh everything
         """
         self.current_tab().set_color_state(theme.COLOR_TAB_CURRENT)
-        self.current_tab().refresh(self.tabs, self.information_buffer)
+        self.current_tab().refresh(self.tabs, self.information_buffer, self.roster)
+        doupdate()
 
     def open_new_room(self, room, nick, focus=True):
         """
@@ -584,6 +642,26 @@ class Gui(object):
                 self.add_message_to_text_buffer(room, _('You can join the room with an other nick, by typing "/join /other_nick"'))
         self.refresh_window()
 
+    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
+
     def open_private_window(self, room_name, user_nick, focus=True):
         complete_jid = room_name+'/'+user_nick
         for tab in self.tabs: # if the room exists, focus it and return
@@ -1178,8 +1256,31 @@ class Gui(object):
         if not key:
             return
         res = self.current_tab().on_input(key)
-        if key in ('^J', '\n'):
+        if not res:
+            return
+        if key in ('^J', '\n') and isinstance(res, str):
             self.execute(res)
+        else:
+            # we did "enter" with an empty input in the roster
+            self.on_roster_enter_key(res)
+
+    def on_roster_enter_key(self, roster_row):
+        """
+        when enter is pressed on the roster window
+        """
+        if isinstance(roster_row, Contact):
+            r = Room(roster_row.get_jid().full, self.xmpp.fulljid)
+            new_tab = ConversationTab(self.stdscr, r, self.information_win_size)
+            debug('%s\n'% new_tab)
+            # insert it in the tabs
+            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
+            self.refresh_window()
 
     def execute(self,line):
         """
@@ -1203,6 +1304,10 @@ class Gui(object):
     def command_say(self, line):
         if isinstance(self.current_tab(), PrivateTab):
             muc.send_private_message(self.xmpp, self.current_tab().get_name(), line)
+        elif isinstance(self.current_tab(), ConversationTab): # todo, special case
+            muc.send_private_message(self.xmpp, self.current_tab().get_name(), line)
+        if isinstance(self.current_tab(), PrivateTab) or\
+                isinstance(self.current_tab(), ConversationTab):
             self.add_message_to_text_buffer(self.current_tab().get_room(), line, None, self.current_tab().get_room().own_nick)
         elif isinstance(self.current_tab(), MucTab):
             muc.send_groupchat_message(self.xmpp, self.current_tab().get_name(), line)
diff --git a/src/keyboard.py b/src/keyboard.py
index a0ac8d6d..4a577d16 100644
--- a/src/keyboard.py
+++ b/src/keyboard.py
@@ -52,7 +52,7 @@ def read_char(s):
         if first == 27:
             (first, c) = get_next_byte(s)
             if not isinstance(first, int):
-                return Nones
+                return None
             return "M-"+chr(first)
     if 194 <= first:
         (code, c) = get_next_byte(s) # 2 bytes char
diff --git a/src/roster.py b/src/roster.py
index 421e05e4..e6be9208 100644
--- a/src/roster.py
+++ b/src/roster.py
@@ -16,30 +16,146 @@
 
 from contact import Contact
 
+from common import debug
+
 class Roster(object):
+    def __init__(self):
+        self._contacts = {}     # key = jid; value = Contact()
+        self._roster_groups = []
+
+    def add_contact(self, contact, jid):
+        """
+        Add a contact to the contact list
+        """
+        assert jid not in self._contacts
+        self._contacts[jid] = contact
+
+    def get_contact_len(self):
+        return len(self._contacts.keys())
+
+    def get_contact_by_jid(self, jid):
+        if jid in self._contacts:
+            return self._contacts[jid]
+        return None
+
+    def edit_groups_of_contact(self, contact, groups):
+        """
+        Edit the groups the contact is in
+        Add or remove RosterGroup if needed
+        """
+        # add the contact to each group he is in
+        for group in groups:
+            if group in contact._groups:
+                continue
+            else:
+                # create the group if it doesn't exist yet
+                contact._groups.append(group)
+                self.add_contact_to_group(group, contact)
+        # remove the contact from each group he is not in
+        for group in contact._groups:
+            if group not in groups:
+                # the contact is not in the group anymore
+                self.remove_contact_from_group(group, contact)
+
+    def remove_contact_from_group(self, group_name, contact):
+        """
+        Remove the contact from the group.
+        Remove also the group if this makes it empty
+        """
+        for group in self._roster_groups:
+            if group.name == group_name:
+                group.remove_contact(contact)
+                if group.is_empty():
+                    self._roster_groups.remove(group)
+                return
+
+    def add_contact_to_group(self, group_name, contact):
+        """
+        Add the contact to the group.
+        Create the group if it doesn't already exist
+        """
+        for group in self._roster_groups:
+            if group.name == group_name:
+                group.add_contact(contact)
+                return
+        new_group = RosterGroup(group_name)
+        self._roster_groups.append(new_group)
+        new_group.add_contact(contact)
+
+    # def ordered_by_group(self, dic_roster, order):
+    #     # ordered by contact
+    #     for jid in dic_roster:
+    #         if not dic_roster[jid]['in_roster']:
+    #             continue
+    #         self.contact_number += 1
+    #         groups=dic_roster[jid]['groups']
+    #         if not groups:
+    #             groups = ['(none)']
+    #         new_contact = Contact(jid, name=dic_roster[jid]['name'],
+    #                               groups=groups,
+    #                               subscription=dic_roster[jid]['subscription'],
+    #                               presence=dic_roster[jid]['presence'])
+    #         for group in groups:
+    #             self.add_contact_to_group(group, new_contact)
+    #         # debug('Jid:%s, (%s)\n' % (jid, dic_roster[jid]))
+    #     debug('\n')
+
+    def get_groups(self):
+        return self._roster_groups
+
+    def __len__(self):
+        """
+        Return the number of line that would be printed
+        """
+        l = 0
+        for group in self._roster_groups:
+            l += 1
+            if not group.folded:
+                for contact in group.get_contacts():
+                    l += 1
+        return l
+
+    def __repr__(self):
+        ret = '== Roster:\nContacts:\n'
+        for contact in self._contacts:
+            ret += '%s\n' % (contact,)
+        ret += 'Groups\n'
+        for group in self._roster_groups:
+            ret += '%s\n' % (group,)
+        return ret + '\n'
+
+class RosterGroup(object):
     """
-    Defines the roster
+    A RosterGroup is a group containing contacts
+    It can be Friends/Family etc, but also can be
+    Online/Offline or whatever
     """
-    def __init__(self):
-        self._contacts = {}
+    def __init__(self, name, folded=False):
+        # debug('New group: %s \n' % name)
+        self._contacts = []
+        self.name = name
+        self.folded = folded    # if the group content is to be shown
+    def is_empty(self):
+        return len(self._contacts) == 0
 
-    def addContactToList(self, contact):
+    def remove_contact(self, contact):
+        """
+        Remove a Contact object to the list
+        """
         assert isinstance(contact, Contact)
-        assert contact not in self._contacts
-        self._contacts[contact.getJid().bare] = contact
+        assert contact in self._contacts
+        self._contacts.remove(contact)
 
-    def getContacts(self):
+    def add_contact(self, contact):
         """
-        returns all the contacts in a list
-        TODO: sorted
-        TODO: only some contacts (online only for example)
+        append a Contact object to the list
         """
-        return [contact for contact in self._contacts.keys()]
+        assert isinstance(contact, Contact)
+        assert contact not in self._contacts
+        self._contacts.append(contact)
 
-    def __len__(self):
-        return len(self._contacts)
+    def get_contacts(self):
+        return self._contacts
 
-    def getContact(self, bare_jid):
-        if bare_jid not in self._contacts:
-            return None
-        return self._contacts[bare_jid]
+    def __repr__(self):
+        return '<Roster_group: %s; %s>' % (self.name, self._contacts)
diff --git a/src/tab.py b/src/tab.py
index 64c3c788..51707561 100644
--- a/src/tab.py
+++ b/src/tab.py
@@ -44,7 +44,7 @@ class Tab(object):
         else:
             self.visible = True
 
-    def refresh(self, tabs, informations):
+    def refresh(self, tabs, informations, roster):
         """
         Called on each screen refresh (when something has changed)
         """
@@ -136,7 +136,7 @@ class InfoTab(Tab):
         self.text_win.resize(self.height-2, self.width, 0, 0, stdscr, self.visible)
         self.input.resize(1, self.width, self.height-1, 0, stdscr, self.visible)
 
-    def refresh(self, tabs, informations):
+    def refresh(self, tabs, informations, _):
         self.text_win.refresh(informations)
         self.tab_win.refresh(tabs, tabs[0])
         self.input.refresh()
@@ -206,7 +206,7 @@ class MucTab(Tab):
         self.tab_win.resize(1, self.width, self.height-2, 0, stdscr, self.visible)
         self.input.resize(1, self.width, self.height-1, 0, stdscr, self.visible)
 
-    def refresh(self, tabs, informations):
+    def refresh(self, tabs, informations, _):
         self.topic_win.refresh(self._room.topic)
         self.text_win.refresh(self._room)
         self.v_separator.refresh()
@@ -311,7 +311,7 @@ class PrivateTab(Tab):
         self.tab_win.resize(1, self.width, self.height-2, 0, stdscr, self.visible)
         self.input.resize(1, self.width, self.height-1, 0, stdscr, self.visible)
 
-    def refresh(self, tabs, informations):
+    def refresh(self, tabs, informations, _):
         self.text_win.refresh(self._room)
         self.info_header.refresh(self._room)
         self.info_win.refresh(informations)
@@ -358,12 +358,11 @@ class PrivateTab(Tab):
 
 class RosterInfoTab(Tab):
     """
-    A tab, splitted in two, containg the roster and infos
+    A tab, splitted in two, containing the roster and infos
     """
-    def __init__(self, stdscr, roster):
+    def __init__(self, stdscr):
         Tab.__init__(self, stdscr)
         self.name = "Roster"
-        self.roster = roster
         roster_width = self.width//2
         info_width = self.width-roster_width-1
         self.v_separator = window.VerticalSeparator(self.height-2, 1, 0, roster_width, stdscr, self.visible)
@@ -383,8 +382,8 @@ class RosterInfoTab(Tab):
         self.roster_win.resize(self.height-2, roster_width, 0, 0, stdscr, self.visible)
         self.input.resize(1, self.width, self.height-1, 0, stdscr, self.visible)
 
-    def refresh(self, tabs, informations):
-        self.roster_win.refresh(self.roster)
+    def refresh(self, tabs, informations, roster):
+        self.roster_win.refresh(roster)
         self.v_separator.refresh()
         self.info_win.refresh(informations)
         self.tab_win.refresh(tabs, tabs[0])
@@ -400,6 +399,8 @@ class RosterInfoTab(Tab):
         self._color_state = color
 
     def on_input(self, key):
+        if key in ('\n', '^J', '^M') and self.input.is_empty():
+            return self.on_enter()
         return self.input.do_command(key)
 
     def on_lose_focus(self):
@@ -412,10 +413,81 @@ class RosterInfoTab(Tab):
         return False
 
     def on_scroll_down(self):
-        debug('TODO DOWN')
+        self.roster_win.move_cursor_down()
 
     def on_scroll_up(self):
-        debug('TODO UP')
+        self.roster_win.move_cursor_up()
 
-    def on_info_win_size_changed(self):
-        return
+    def on_info_win_size_changed(self, _, __):
+        pass
+
+    def on_enter(self):
+        debug('%s\n' % (self.roster_win.get_selected_row()))
+        return self.roster_win.get_selected_row()
+
+class ConversationTab(Tab):
+    """
+    The tab containg a normal conversation (someone from our roster)
+    """
+    def __init__(self, stdscr, room, info_win_size):
+        Tab.__init__(self, stdscr)
+        self.info_win_size = info_win_size
+        self._room = room
+        self.text_win = window.TextWin(self.height-2-self.info_win_size, self.width, 0, 0, stdscr, self.visible)
+        self.info_header = window.ConversationInfoWin(1, self.width, self.height-3-self.info_win_size, 0, stdscr, self.visible)
+        self.info_win = window.TextWin(self.info_win_size, self.width, self.height-2-self.info_win_size, 0, stdscr, self.visible)
+        self.tab_win = window.GlobalInfoBar(1, self.width, self.height-2, 0, stdscr, self.visible)
+        self.input = window.Input(1, self.width, self.height-1, 0, stdscr, self.visible)
+
+    def resize(self, stdscr):
+        Tab.resize(self, stdscr)
+        self.text_win.resize(self.height-2-self.info_win_size, self.width, 0, 0, stdscr, self.visible)
+        self.info_header.resize(1, self.width, self.height-3-self.info_win_size, 0, stdscr, self.visible)
+        self.info_win.resize(self.info_win_size, self.width, self.height-2-self.info_win_size, 0, stdscr, self.visible)
+        self.tab_win.resize(1, self.width, self.height-2, 0, stdscr, self.visible)
+        self.input.resize(1, self.width, self.height-1, 0, stdscr, self.visible)
+
+    def refresh(self, tabs, informations, _):
+        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):
+        return self.input.do_command(key)
+
+    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)
+
+    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, size, stdscr):
+        self.info_win_size = size
+        self.text_win.resize(self.height-2, self.width, 0, 0, stdscr, self.visible)
+        self.info_header.resize(1, self.width, self.height-3-self.info_win_size, 0, stdscr, self.visible)
+        self.info_win.resize(self.info_win_size, (self.width//10)*9, self.height-2-self.info_win_size, 0, stdscr, self.visible)
+
+    def get_room(self):
+        return self._room
diff --git a/src/theme.py b/src/theme.py
index dda01166..7285ceb0 100644
--- a/src/theme.py
+++ b/src/theme.py
@@ -74,7 +74,8 @@ COLOR_STATUS_NONE = 0
 COLOR_STATUS_DND = 21
 COLOR_STATUS_AWAY = 35
 COLOR_STATUS_CHAT = 28
-
+COLOR_STATUS_UNAVAILABLE = 57
+COLOR_STATUS_ONLINE = 41
 # Bars
 COLOR_INFORMATION_BAR = 42
 COLOR_TOPIC_BAR = 42
diff --git a/src/user.py b/src/user.py
index 252764ae..8ddf47fc 100644
--- a/src/user.py
+++ b/src/user.py
@@ -32,7 +32,6 @@ class User(object):
     """
     def __init__(self, nick, affiliation, show, status, role):
         from common import debug
-        debug('NEW USER: nick:%s, affiliation:%s, show:%s, status:%s, role:%s\n' % (nick, affiliation, show, status, role))
         self.last_talked = datetime(1, 1, 1) # The oldest possible time
         self.update(affiliation, show, status, role)
         self.change_nick(nick)
diff --git a/src/window.py b/src/window.py
index 162d10f7..6e0ec174 100644
--- a/src/window.py
+++ b/src/window.py
@@ -28,15 +28,21 @@ from config import config
 from threading import Lock
 
 from message import Line
+from tab import MIN_WIDTH, MIN_HEIGHT
+
 import theme
 
+from common import debug
+
 g_lock = Lock()
 
 class Win(object):
     def __init__(self, height, width, y, x, parent_win):
-        self._resize(height, width, y, x, parent_win)
+        self._resize(height, width, y, x, parent_win, True)
 
-    def _resize(self, height, width, y, x, parent_win):
+    def _resize(self, height, width, y, x, parent_win, visible):
+        if not visible:
+            return
         self.height, self.width, self.x, self.y = height, width, x, y
         try:
             self.win = curses.newwin(height, width, y, x)
@@ -44,6 +50,8 @@ class Win(object):
             from common import debug
             debug('%s %s %s %s %s\n' % (height, width, y, x, parent_win))
             raise
+            import os
+            os.abort()
             # When resizing in a too little height (less than 3 lines)
             # We don't need to resize the window, since this size
             # just makes no sense
@@ -72,6 +80,14 @@ class Win(object):
         """
         self.win.addstr(*args)
 
+    def finish_line(self, color):
+        """
+        Write colored spaces until the end of line
+        """
+        (y, x) = self.win.getyx()
+        size = self.width-x
+        self.addnstr(' '*size, size, curses.color_pair(color))
+
 class UserList(Win):
     def __init__(self, height, width, y, x, parent_win, visible):
         Win.__init__(self, height, width, y, x, parent_win)
@@ -117,7 +133,7 @@ class UserList(Win):
         self.visible = visible
         if not visible:
             return
-        self._resize(height, width, y, x, stdscr)
+        self._resize(height, width, y, x, stdscr, visible)
         self.win.attron(curses.color_pair(theme.COLOR_VERTICAL_SEPARATOR))
         self.win.vline(0, 0, curses.ACS_VLINE, self.height)
         self.win.attroff(curses.color_pair(theme.COLOR_VERTICAL_SEPARATOR))
@@ -128,7 +144,7 @@ class Topic(Win):
         Win.__init__(self, height, width, y, x, parent_win)
 
     def resize(self, height, width, y, x, stdscr, visible):
-        self._resize(height, width, y, x, stdscr)
+        self._resize(height, width, y, x, stdscr, visible)
 
     def refresh(self, topic):
         if not self.visible:
@@ -150,7 +166,7 @@ class GlobalInfoBar(Win):
         Win.__init__(self, height, width, y, x, parent_win)
 
     def resize(self, height, width, y, x, stdscr, visible):
-        self._resize(height, width, y, x, stdscr)
+        self._resize(height, width, y, x, stdscr, visible)
 
     def refresh(self, tabs, current):
         if not self.visible:
@@ -199,14 +215,6 @@ class InfoWin(Win):
             plus = ' -PLUS(%s)-' % text_buffer.pos
             self.addnstr(plus, len(plus), curses.color_pair(theme.COLOR_SCROLLABLE_NUMBER) | curses.A_BOLD)
 
-    def finish_line(self):
-        """
-        Write colored spaces until the end of line
-        """
-        (y, x) = self.win.getyx()
-        size = self.width-x
-        self.addnstr(' '*size, size, curses.color_pair(theme.COLOR_INFORMATION_BAR))
-
 class PrivateInfoWin(InfoWin):
     """
     The live above the information window, displaying informations
@@ -216,7 +224,7 @@ class PrivateInfoWin(InfoWin):
         InfoWin.__init__(self, height, width, y, x, parent_win, visible)
 
     def resize(self, height, width, y, x, stdscr, visible):
-        self._resize(height, width, y, x, stdscr)
+        self._resize(height, width, y, x, stdscr, visible)
 
     def refresh(self, room):
         if not self.visible:
@@ -225,7 +233,7 @@ class PrivateInfoWin(InfoWin):
         self.win.erase()
         self.write_room_name(room)
         self.print_scroll_position(room)
-        self.finish_line()
+        self.finish_line(theme.COLOR_INFORMATION_BAR)
         self.win.refresh()
         g_lock.release()
 
@@ -235,6 +243,34 @@ class PrivateInfoWin(InfoWin):
         txt = ' from room %s' % room_name
         self.addnstr(txt, len(txt), curses.color_pair(theme.COLOR_INFORMATION_BAR))
 
+class ConversationInfoWin(InfoWin):
+    """
+    The line above the information window, displaying informations
+    about the MUC user we are talking to
+    """
+    def __init__(self, height, width, y, x, parent_win, visible):
+        InfoWin.__init__(self, height, width, y, x, parent_win, visible)
+
+    def resize(self, height, width, y, x, stdscr, visible):
+        self._resize(height, width, y, x, stdscr, visible)
+
+    def refresh(self, room):
+        if not self.visible:
+            return
+        g_lock.acquire()
+        self.win.erase()
+        self.write_room_name(room)
+        self.print_scroll_position(room)
+        self.finish_line(theme.COLOR_INFORMATION_BAR)
+        self.win.refresh()
+        g_lock.release()
+
+    def write_room_name(self, room):
+        # (room_name, nick) = room.name.split('/', 1)
+        # self.addnstr(nick, len(nick), curses.color_pair(13))
+        txt = '%s' % room.name
+        self.addnstr(txt, len(txt), curses.color_pair(theme.COLOR_INFORMATION_BAR))
+
 class MucInfoWin(InfoWin):
     """
     The line just above the information window, displaying informations
@@ -244,7 +280,7 @@ class MucInfoWin(InfoWin):
         InfoWin.__init__(self, height, width, y, x, parent_win, visible)
 
     def resize(self, height, width, y, x, stdscr, visible):
-        self._resize(height, width, y, x, stdscr)
+        self._resize(height, width, y, x, stdscr, visible)
 
     def refresh(self, room):
         if not self.visible:
@@ -256,7 +292,7 @@ class MucInfoWin(InfoWin):
         self.write_disconnected(room)
         self.write_role(room)
         self.print_scroll_position(room)
-        self.finish_line()
+        self.finish_line(theme.COLOR_INFORMATION_BAR)
         self.win.refresh()
         g_lock.release()
 
@@ -291,8 +327,6 @@ class MucInfoWin(InfoWin):
         """
         Write our own role and affiliation
         """
-        from common import debug
-
         own_user = None
         for user in room.users:
             if user.nick == room.own_nick:
@@ -430,7 +464,6 @@ class TextWin(Win):
                 self.win.attroff(curses.color_pair(color))
 
         else:                   # Special messages like join or quit
-            from common import debug
             special_words = {
                 theme.CHAR_JOIN: theme.COLOR_JOIN_CHAR,
                 theme.CHAR_QUIT: theme.COLOR_QUIT_CHAR,
@@ -507,7 +540,7 @@ class TextWin(Win):
 
     def resize(self, height, width, y, x, stdscr, visible):
         self.visible = visible
-        self._resize(height, width, y, x, stdscr)
+        self._resize(height, width, y, x, stdscr, visible)
 
 class Input(Win):
     """
@@ -554,11 +587,14 @@ class Input(Win):
         self.last_completion = None # Contains the last nickname completed,
                                     # if last key was a tab
 
+    def is_empty(self):
+        return len(self.text) == 0
+
     def resize(self, height, width, y, x, stdscr, visible):
         self.visible = visible
         if not visible:
             return
-        self._resize(height, width, y, x, stdscr)
+        self._resize(height, width, y, x, stdscr, visible)
         self.win.clear()
         self.addnstr(0, 0, self.text, self.width-1)
 
@@ -896,7 +932,7 @@ class VerticalSeparator(Win):
 
     def resize(self, height, width, y, x, stdscr, visible):
         self.visible = visible
-        self._resize(height, width, y, x, stdscr)
+        self._resize(height, width, y, x, stdscr, visible)
         if not visible:
             return
 
@@ -906,70 +942,116 @@ class VerticalSeparator(Win):
         self.rewrite_line()
 
 class RosterWin(Win):
+    color_show = {'xa':theme.COLOR_STATUS_XA,
+                  'none':theme.COLOR_STATUS_ONLINE,
+                  '':theme.COLOR_STATUS_ONLINE,
+                  'available':theme.COLOR_STATUS_ONLINE,
+                  'dnd':theme.COLOR_STATUS_DND,
+                  'away':theme.COLOR_STATUS_AWAY,
+                  'chat':theme.COLOR_STATUS_CHAT,
+                  'unavailable': theme.COLOR_STATUS_UNAVAILABLE
+                  }
+
     def __init__(self, height, width, y, x, parent_win, visible):
         self.visible = visible
         Win.__init__(self, height, width, y, x, parent_win)
-        self.pos = 0            # position in the contact list
+        self.pos = 0            # cursor position in the contact list
+        self.start_pos = 1      # position of the start of the display
+        self.roster_len = 0
+        self.selected_row = None
 
     def resize(self, height, width, y, x, stdscr, visible):
-        self._resize(height, width, y, x, stdscr)
+        self._resize(height, width, y, x, stdscr, visible)
         self.visible = visible
 
+    def move_cursor_down(self):
+        if self.pos < self.roster_len-1:
+            self.pos += 1
+        if self.pos == self.start_pos-1 + self.height-1:
+            self.scroll_down()
+
+    def move_cursor_up(self):
+        if self.pos > 0:
+            self.pos -= 1
+        if self.pos == self.start_pos-2:
+            self.scroll_up()
+
+    def scroll_down(self):
+        self.start_pos += 8
+
+    def scroll_up(self):
+        self.start_pos -= 8
+
     def refresh(self, roster):
         """
         We get the roster object
         """
-        from common import debug
-        debug('anus%s, %s' % (roster, self.visible))
         if not self.visible:
             return
         g_lock.acquire()
+        # debug('Len roster: %s, pos: %s, startpos: %s\n(%s:%s)' % (len(roster), self.pos, self.start_pos, self.width, self.height))
+        self.roster_len = len(roster)
         self.win.erase()
-        # TODO, two ways of scrolling
-        # currently: always centered
-        if self.pos > self.height//2 and\
-                self.pos + self.height//2 < len(roster.getContacts()):
-            # We are centered
-            begin = True
-            end = True
-            pos = self.height//2
-            contacts = roster.getContacts()[self.pos-pos:self.pos+pos+1]
-        elif self.pos <= self.height//2:
-            # we are at the beginning of the list
-            pos = self.pos
-            contacts = roster.getContacts()[:self.height]
-            begin = False
-            if self.height < len(roster.getContacts()):
-                end = True
-            else:
-                end = False
-        else:
-            # we are at the end of the list
-            pos = self.height - (len(roster.getContacts()) - self.pos)
-            contacts = roster.getContacts()[-self.height:]
-            begin = True
-            end = False
-        cpt = 0                 # ipair ou chais plus quoi
-        for contact in contacts:
-            if cpt == pos:
-                self.draw_contact_line(contact, cpt, 0, 3)
-            else:
-                self.draw_contact_line(contact, cpt, 0)
-            cpt += 1
-        if end:
-            self.win.addstr(self.height-1, 0, '++++')
-        if begin:
-            self.win.addstr(0, 0, '++++')
+        self.draw_roster_information(roster)
+        y = 1
+        for group in roster.get_groups():
+            if y-1 == self.pos:
+                self.selected_row = group
+            if y >= self.start_pos:
+                self.draw_group(y-self.start_pos+1, group, y-1==self.pos)
+            y += 1
+            for contact in group.get_contacts():
+                if y-1 == self.pos:
+                    self.selected_row = contact
+                if y-self.start_pos+1 == self.height:
+                    break
+                if y >= self.start_pos:
+                    self.draw_contact_line(y-self.start_pos+1, contact, y-1==self.pos)
+                y += 1
+            if y-self.start_pos+1 == self.height:
+                break
+        if self.start_pos > 1:
+            self.draw_plus(1)
+        if self.start_pos + self.height-2 < self.roster_len:
+            self.draw_plus(self.height-1)
         self.win.refresh()
         g_lock.release()
 
-    def draw_contact_line(self, contact, x, y, color=None):
+    def draw_plus(self, y):
+        """
+        Draw the indicator that shows that
+        the list is longer that what is displayed
+        """
+        self.win.addstr(y, self.width-4, '+++', curses.color_pair(42))
+
+    def draw_roster_information(self, roster):
+        """
+        """
+        self.win.addstr('%s contacts' % roster.get_contact_len(), curses.color_pair(12))
+        self.finish_line(12)
+
+    def draw_group(self, y, group, colored):
+        """
+        Draw a groupname on a line
+        """
+        if colored:
+            self.addstr(y, 0, group.name, curses.color_pair(34))
+        else:
+            self.addstr(y, 0, group.name)
+
+    def draw_contact_line(self, y, contact, colored):
         """
         Draw on a line all informations about one contact
         Use 'color' to draw the jid/display_name to show what is
         is currently selected contact in the list
         """
-        if color:
-            self.win.addstr(x, y, contact.getJid().full, curses.color_pair(color))
+        color = RosterWin.color_show[contact.get_presence()]
+        self.win.addstr(y, 1, "!", curses.color_pair(color))
+        if colored:
+            self.win.addstr(y, 2, contact.get_jid().bare, curses.color_pair(34))
         else:
-            self.win.addstr(x, y, contact.getJid().full)
+            self.win.addstr(y, 2, contact.get_jid().bare)
+
+    def get_selected_row(self):
+        return self.selected_row
+