tabs.py 42.9 KB
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# Copyright 2010-2011 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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a Tab object is a way to organize various Windows (see windows.py)
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around the screen at once.
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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
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"""

MIN_WIDTH = 50
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MIN_HEIGHT = 16
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from gettext import (bindtextdomain, textdomain, bind_textdomain_codeset,
                     gettext as _)

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import logging
log = logging.getLogger(__name__)

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import windows
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import theme
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import curses
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import difflib
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import shlex
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import text_buffer
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from sleekxmpp.xmlstream.stanzabase import JID
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from config import config
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from roster import RosterGroup, roster
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from contact import Contact, Resource
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import multiuserchat as muc
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class Tab(object):
    number = 0

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    def __init__(self, core):
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        self.core = core        # a pointer to core, to access its attributes (ugly?)
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        self.nb = Tab.number
        Tab.number += 1
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        self.size = (self.height, self.width) = self.core.stdscr.getmaxyx()
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        if self.height < MIN_HEIGHT or self.width < MIN_WIDTH:
            self.visible = False
        else:
            self.visible = True
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        self.key_func = {}      # each tab should add their keys in there
                                # and use them in on_input
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        self.commands = {}      # and their own commands
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    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
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    def resize(self):
        self.size = (self.height, self.width) = self.core.stdscr.getmaxyx()
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        if self.height < MIN_HEIGHT or self.width < MIN_WIDTH:
            self.visible = False
        else:
            self.visible = True

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    def refresh(self, tabs, informations, roster):
        """
        Called on each screen refresh (when something has changed)
        """
        raise NotImplementedError

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    def get_color_state(self):
        """
        returns the color that should be used in the GlobalInfoBar
        """
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        return theme.COLOR_TAB_NORMAL
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    def set_color_state(self, color):
        """
        set the color state
        """
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        pass
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    def get_name(self):
        """
        get the name of the tab
        """
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        return self.__class__.__name__
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    def get_text_window(self):
        """
        Returns the principal TextWin window, if there's one
        """
        return None

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    def on_input(self, key):
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        pass
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    def on_lose_focus(self):
        """
        called when this tab loses the focus.
        """
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        pass
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    def on_gain_focus(self):
        """
        called when this tab gains the focus.
        """
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        pass
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    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
        """
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        return False
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    def on_scroll_down(self):
        """
        Defines what happens when we scrol down
        """
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        pass
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    def on_scroll_up(self):
        """
        Defines what happens when we scrol down
        """
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        pass
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    def on_info_win_size_changed(self):
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        """
        Called when the window with the informations is resized
        """
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        pass
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    def just_before_refresh(self):
        """
        Method called just before the screen refresh.
        Particularly useful to move the cursor at the
        correct position.
        """
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        pass
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    def on_close(self):
        """
        Called when the tab is to be closed
        """
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        pass
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class ChatTab(Tab):
    """
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    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
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    And also, add the /say command
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    """
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    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
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        self.commands['say'] =  (self.command_say,
                                 _("""Usage: /say <message>\nSay: Just send the message.
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                                        Useful if you want your message to begin with a '/'"""), None)
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    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
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            txt = msg.txt
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            for char in char_we_dont_want:
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                txt = txt.replace(char, ' ')
            for word in txt.split():
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                if len(word) >= 4 and word not in words:
                    words.append(word)
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        self.input.auto_completion(words, ' ')
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    def on_enter(self):
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        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:
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            if txt.startswith('//'):
                txt = txt[1:]
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            self.command_say(txt)

    def command_say(self, line):
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        raise NotImplementedError

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class InfoTab(ChatTab):
    """
    The information tab, used to display global informations
    when using a anonymous account
    """
    def __init__(self, core):
        Tab.__init__(self, core)
        self.tab_win = windows.GlobalInfoBar()
        self.info_win = windows.TextWin()
        self.core.information_buffer.add_window(self.info_win)
        self.input = windows.Input()
        self.name = "Info"
        self.color_state = theme.COLOR_TAB_NORMAL
        self.key_func['^J'] = self.on_enter
        self.key_func['^M'] = self.on_enter
        self.key_func['\n'] = self.on_enter
        self.key_func['^I'] = self.completion
        self.key_func['M-i'] = self.completion
        self.resize()

    def resize(self):
        Tab.resize(self)
        self.tab_win.resize(1, self.width, self.height-2, 0, self.core.stdscr)
        self.info_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.info_win.refresh(informations)
        self.tab_win.refresh(tabs, tabs[0])
        self.input.refresh()

    def on_enter(self):
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        # TODO duplicate
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        txt = self.input.get_text()
        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'))

    def completion(self):
        self.complete_commands(self.input)

    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):
        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.color_state = theme.COLOR_TAB_NORMAL

    def on_gain_focus(self):
        self.color_state = theme.COLOR_TAB_CURRENT
        curses.curs_set(1)

    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

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class MucTab(ChatTab):
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    """
    The tab containing a multi-user-chat room.
    It contains an userlist, an input, a topic, an information and a chat zone
    """
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    def __init__(self, core, room):
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        ChatTab.__init__(self, core, room)
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        self.topic_win = windows.Topic()
        self.text_win = windows.TextWin()
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        room.add_window(self.text_win)
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        self.v_separator = windows.VerticalSeparator()
        self.user_win = windows.UserList()
        self.info_header = windows.MucInfoWin()
        self.info_win = windows.TextWin()
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        self.core.information_buffer.add_window(self.info_win)
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        self.tab_win = windows.GlobalInfoBar()
        self.input = windows.MessageInput()
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        self.ignores = []       # set of Users
        # keys
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        self.key_func['^I'] = self.completion
        self.key_func['M-i'] = self.completion
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        self.key_func['M-u'] = self.scroll_user_list_down
        self.key_func['M-y'] = self.scroll_user_list_up
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        # commands
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        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)
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        self.commands['cycle'] = (self.command_cycle, _('Usage: /cycle [message]\nCycle: Leaves the current room and rejoin it immediately'), None)
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        self.resize()
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    def scroll_user_list_up(self):
        self.user_win.scroll_up()
        self.core.refresh_window()

    def scroll_user_list_down(self):
        self.user_win.scroll_down()
        self.core.refresh_window()

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    def command_cycle(self, arg):
        if self.get_room().joined:
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            muc.leave_groupchat(self.core.xmpp, self.get_name(), self.get_room().own_nick, arg)
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        self.get_room().joined = False
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        self.core.command_join('/', "0")
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    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]
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            i += 1
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        self.text_win.rebuild_everything(self.get_room())
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        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)

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    def resize(self):
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        """
        Resize the whole window. i.e. all its sub-windows
        """
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        Tab.resize(self)
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        text_width = (self.width//10)*9
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        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)
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        self.text_win.rebuild_everything(self._room)
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        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)
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        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.core.information_buffer)
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        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)
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    def refresh(self, tabs, informations, _):
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        if not self.visible:
            return
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        self.topic_win.refresh(self._room.topic)
        self.text_win.refresh(self._room)
        self.v_separator.refresh()
        self.user_win.refresh(self._room.users)
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        self.info_header.refresh(self._room, self.text_win)
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        self.tab_win.refresh(tabs, tabs[0])
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        self.info_win.refresh(informations)
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        self.input.refresh()

    def on_input(self, key):
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        if key in self.key_func:
            self.key_func[key]()
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            return False
        self.input.do_command(key)
        return False
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    def completion(self):
        """
        Called when Tab is pressed, complete the nickname in the input
        """
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        if self.complete_commands(self.input):
            return
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        # If we are not completing a command or a command's argument, complete a nick
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        compare_users = lambda x: x.last_talked
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        word_list = [user.nick for user in sorted(self._room.users, key=compare_users, reverse=True)\
                         if user.nick != self._room.own_nick]
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        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)
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    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

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    def get_text_window(self):
        return self.text_win

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    def get_room(self):
        return self._room

    def on_lose_focus(self):
        self._room.set_color_state(theme.COLOR_TAB_NORMAL)
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        self.text_win.remove_line_separator()
        self.text_win.add_line_separator()
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    def on_gain_focus(self):
        self._room.set_color_state(theme.COLOR_TAB_CURRENT)
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        if self.text_win.built_lines[-1] is None:
            self.text_win.remove_line_separator()
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        curses.curs_set(1)
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    def on_scroll_up(self):
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        self.text_win.scroll_up(self.text_win.height-1)
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    def on_scroll_down(self):
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        self.text_win.scroll_down(self.text_win.height-1)
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    def on_info_win_size_changed(self):
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        text_width = (self.width//10)*9
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        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)
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    def just_before_refresh(self):
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        return
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    def on_close(self):
        return

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class PrivateTab(ChatTab):
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    """
    The tab containg a private conversation (someone from a MUC)
    """
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    def __init__(self, core, room):
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        ChatTab.__init__(self, core, room)
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        self.text_win = windows.TextWin()
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        room.add_window(self.text_win)
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        self.info_header = windows.PrivateInfoWin()
        self.info_win = windows.TextWin()
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        self.core.information_buffer.add_window(self.info_win)
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        self.tab_win = windows.GlobalInfoBar()
        self.input = windows.MessageInput()
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        # 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)
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        self.resize()
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    def completion(self):
        self.complete_commands(self.input)

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    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()

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    def resize(self):
        Tab.resize(self)
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        self.text_win.resize(self.height-3-self.core.information_win_size, self.width, 0, 0, self.core.stdscr)
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        self.text_win.rebuild_everything(self._room)
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        self.info_header.resize(1, self.width, self.height-3-self.core.information_win_size, 0, self.core.stdscr)
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        self.info_win.resize(self.core.information_win_size, self.width, self.height-2-self.core.information_win_size, 0, self.core.stdscr, self.core.information_buffer)
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        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)
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    def refresh(self, tabs, informations, _):
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        if not self.visible:
            return
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        self.text_win.refresh(self._room)
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        self.info_header.refresh(self._room, self.text_win)
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        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):
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        if key in self.key_func:
            self.key_func[key]()
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            return False
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        self.input.do_command(key)
        return False
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    def on_lose_focus(self):
        self._room.set_color_state(theme.COLOR_TAB_NORMAL)
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        self.text_win.remove_line_separator()
        self.text_win.add_line_separator()
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    def on_gain_focus(self):
        self._room.set_color_state(theme.COLOR_TAB_CURRENT)
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        curses.curs_set(1)
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    def on_scroll_up(self):
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        self.text_win.scroll_up(self.text_win.height-1)
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    def on_scroll_down(self):
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        self.text_win.scroll_down(self.text_win.height-1)
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    def on_info_win_size_changed(self):
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        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)
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        self.info_win.resize(self.core.information_win_size, self.width, self.height-2-self.core.information_win_size, 0, self.core.stdscr, None)
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    def get_room(self):
        return self._room
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    def get_text_window(self):
        return self.text_win

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    def just_before_refresh(self):
        return

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    def on_close(self):
        return

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class RosterInfoTab(Tab):
    """
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    A tab, splitted in two, containing the roster and infos
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    """
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    def __init__(self, core):
        Tab.__init__(self, core)
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        self.name = "Roster"
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        self.v_separator = windows.VerticalSeparator()
        self.tab_win = windows.GlobalInfoBar()
        self.info_win = windows.TextWin()
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        self.core.information_buffer.add_window(self.info_win)
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        self.roster_win = windows.RosterWin()
        self.contact_info_win = windows.ContactInfoWin()
        self.default_help_message = windows.HelpText("Enter commands with “/”. “o”: toggle offline show")
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        self.input = self.default_help_message
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        self.set_color_state(theme.COLOR_TAB_NORMAL)
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        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
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        self.resize()
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    def resize(self):
        Tab.resize(self)
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        roster_width = self.width//2
        info_width = self.width-roster_width-1
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        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)
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        self.info_win.resize(self.height-2, info_width, 0, roster_width+1, self.core.stdscr, self.core.information_buffer)
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        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)
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    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)
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    def refresh(self, tabs, informations, roster):
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        if not self.visible:
            return
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        self.v_separator.refresh()
782
        self.roster_win.refresh(roster)
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        self.contact_info_win.refresh(self.roster_win.get_selected_row())
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        # self.core.global_information_win.refresh(informations)
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        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):
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        res = self.input.do_command(key)
        if res:
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            return True
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        if key in self.key_func:
            return self.key_func[key]()
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    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
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    def on_slash(self):
        """
        '/' is pressed, we enter "input mode"
        """
        curses.curs_set(1)
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        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)
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        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()
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    def on_lose_focus(self):
        self._color_state = theme.COLOR_TAB_NORMAL

    def on_gain_focus(self):
        self._color_state = theme.COLOR_TAB_CURRENT
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        if isinstance(self.input, windows.HelpText):
            curses.curs_set(0)
        else:
            curses.curs_set(1)
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    def add_message(self):
        return False

848
    def move_cursor_down(self):
849
        self.roster_win.move_cursor_down()
850
        return True
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852
    def move_cursor_up(self):
853
        self.roster_win.move_cursor_up()
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        return True

    def on_scroll_down(self):
        # Scroll info win
        pass

    def on_scroll_up(self):
        # Scroll info down
        pass
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    def on_info_win_size_changed(self):
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        pass

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    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
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    def on_enter(self):
875
        selected_row = self.roster_win.get_selected_row()
876
        self.core.on_roster_enter_key(selected_row)
877
        return selected_row
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    def start_search(self):
        """
        Start the search. The input should appear with a short instruction
        in it.
        """
        curses.curs_set(1)
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        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)
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        return True

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    def set_roster_filter(self, txt):
        roster._contact_filter = (jid_and_name_match, txt)
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        self.roster_win.refresh(roster)
        return False
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    def on_search_terminate(self, txt):
        curses.curs_set(0)
        roster._contact_filter = None
897
        self.reset_help_message()
898
        return False
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    def just_before_refresh(self):
        return

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    def on_close(self):
        return

906
class ConversationTab(ChatTab):
907
    """
908
    The tab containg a normal conversation (not from a MUC)
909
    """
910
    def __init__(self, core, jid):
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        txt_buff = text_buffer.TextBuffer()
        ChatTab.__init__(self, core, txt_buff)
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        self.color_state = theme.COLOR_TAB_NORMAL
        self._name = jid        # a conversation tab is linked to one specific full jid OR bare jid
915
        self.text_win = windows.TextWin()
916
        txt_buff.add_window(self.text_win)
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        self.upper_bar = windows.ConversationStatusMessageWin()
        self.info_header = windows.ConversationInfoWin()
        self.info_win = windows.TextWin()
920
        self.core.information_buffer.add_window(self.info_win)
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        self.tab_win = windows.GlobalInfoBar()
        self.input = windows.MessageInput()
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        # 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)
929
        self.resize()
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    def completion(self):
        self.complete_commands(self.input)

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    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):
        self.core.close_tab()

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    def resize(self):
        Tab.resize(self)
943
        self.text_win.resize(self.height-4-self.core.information_win_size, self.width, 1, 0, self.core.stdscr)
944
        self.text_win.rebuild_everything(self._room)
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        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)
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        self.info_win.resize(self.core.information_win_size, self.width, self.height-2-self.core.information_win_size, 0, self.core.stdscr, self.core.information_buffer)
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        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)
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951
    def refresh(self, tabs, informations, roster):
952 953
        if not self.visible:
            return
954
        self.text_win.refresh(self._room)
955
        self.upper_bar.refresh(self.get_name(), roster.get_contact_by_jid(self.get_name()))
956
        self.info_header.refresh(self.get_name(), roster.get_contact_by_jid(self.get_name()), self._room, self.text_win)
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        self.info_win.refresh(informations)
        self.tab_win.refresh(tabs, tabs[0])
        self.input.refresh()

    def get_color_state(self):
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        if self.color_state == theme.COLOR_TAB_NORMAL or\
                self.color_state == theme.COLOR_TAB_CURRENT:
            return self.color_state
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        return theme.COLOR_TAB_PRIVATE

    def set_color_state(self, color):
968
        self.color_state = color
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    def get_name(self):
971
        return self._name
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    def on_input(self, key):
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        if key in self.key_func:
            self.key_func[key]()
976
            return False
977
        self.input.do_command(key)
978
        return False
979 980

    def on_lose_focus(self):
981
        self.set_color_state(theme.COLOR_TAB_NORMAL)
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        self.text_win.remove_line_separator()
        self.text_win.add_line_separator()
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    def on_gain_focus(self):
986 987
        self.set_color_state(theme.COLOR_TAB_CURRENT)
        curses.curs_set(1)
988 989

    def on_scroll_up(self):
990
        self.text_win.scroll_up(self.text_win.height-1)
991 992

    def on_scroll_down(self):
993
        self.text_win.scroll_down(self.text_win.height-1)
994

995
    def on_info_win_size_changed(self):
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        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)
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    def get_room(self):
1001
        return self._room
1002

1003 1004 1005
    def get_text_window(self):
        return self.text_win

1006 1007
    def just_before_refresh(self):
        return
1008

1009 1010 1011
    def on_close(self):
        return

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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()
1022
        self.upper_message.set_message('Chatroom list on server %s (Loading)' % self.name)
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        columns = ('node-part','name', 'users')
        self.list_header = windows.ColumnHeaderWin(columns)
        self.listview = windows.ListWin(columns)
        self.tab_win = windows.GlobalInfoBar()
1027
        self.default_help_message = windows.HelpText("“j”: join room.")
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        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
1034 1035
        self.key_func['^J'] = self.join_selected
        self.key_func['^M'] = self.join_selected
1036 1037 1038
        self.resize()

    def refresh(self, tabs, informations, roster):
1039
        self.upper_message.refresh()
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        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

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    def set_error(self, msg, code, body):
        """
        If there's an error (retrieving the values etc)
        """
        self._error_message = _('Error: %(code)s - %(msg)s: %(body)s') % {'msg':msg, 'body':body, 'code':code}
        self.upper_message.set_message(self._error_message)
        self.upper_message.refresh()
        curses.doupdate()

    def on_muc_list_item_received(self, iq):
        """
        Callback called when a disco#items result is received
        Used with command_list
        """
        log.debug('res: %s\n\n' % iq)
        if iq['type'] == 'error':
            self.set_error(iq['error']['type'], iq['error']['code'], iq['error']['text'])
            return
        items = [{'node-part':JID(item[0]).user,
                  'jid': item[0],
                  'name': item[2]} for item in iq['disco_items'].get_items()]
        self.listview.add_lines(items)
        self.upper_message.set_message('Chatroom list on server %s' % self.name)
        self.upper_message.refresh()
        curses.doupdate()

1096
    def join_selected(self):
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        row = self.listview.get_selected_row()
        if not row:
            return
        self.core.command_join(row['jid'])
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    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()

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    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)

1129
    def get_color_state(self):
1130
        return self._color_state
1131

1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147
class SimpleTextTab(Tab):
    """
    A very simple tab, with just a text displaying some
    information or whatever.
    For example used to display tracebacks
    """
    def __init__(self, core, text):
        Tab.__init__(self, core)
        self._color_state = theme.COLOR_TAB_NORMAL
        self.text_win = windows.SimpleTextWin(text)
        self.tab_win = windows.GlobalInfoBar()
        self.default_help_message = windows.HelpText("“Ctrl+q”: close")
        self.input = self.default_help_message
        self.key_func['^T'] = self.close
        self.key_func["/"] = self.on_slash
        self.resize()
1148

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    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
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    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]()

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    def close(self):
        self.core.close_tab()

    def resize(self):
        self.text_win.resize(self.height-2, self.width, 0, 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, information, roster):
        self.text_win.refresh()
        self.tab_win.refresh(tabs, tabs[0])