src/message_window.py

   1 # -*- coding:utf-8 -*-
   2 ## src/message_window.py
   3 ##
   4 ## Copyright (C) 2003-2010 Yann Leboulanger <asterix AT lagaule.org>
   5 ## Copyright (C) 2005-2008 Travis Shirk <travis AT pobox.com>
   6 ##                         Nikos Kouremenos <kourem AT gmail.com>
   7 ## Copyright (C) 2006 Geobert Quach <geobert AT gmail.com>
   8 ##                    Dimitur Kirov <dkirov AT gmail.com>
   9 ## Copyright (C) 2006-2008 Jean-Marie Traissard <jim AT lapin.org>
  10 ## Copyright (C) 2007 Julien Pivotto <roidelapluie AT gmail.com>
  11 ##                    Stephan Erb <steve-e AT h3c.de>
  12 ## Copyright (C) 2008 Brendan Taylor <whateley AT gmail.com>
  13 ##                    Jonathan Schleifer <js-gajim AT webkeks.org>
  14 ##
  15 ## This file is part of Gajim.
  16 ##
  17 ## Gajim is free software; you can redistribute it and/or modify
  18 ## it under the terms of the GNU General Public License as published
  19 ## by the Free Software Foundation; version 3 only.
  20 ##
  21 ## Gajim is distributed in the hope that it will be useful,
  22 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  24 ## GNU General Public License for more details.
  25 ##
  26 ## You should have received a copy of the GNU General Public License
  27 ## along with Gajim. If not, see <http://www.gnu.org/licenses/>.
  28 ##
  29
  30 import gtk
  31 import gobject
  32 import time
  33
  34 import common
  35 import gtkgui_helpers
  36 import message_control
  37 import dialogs
  38 from chat_control import ChatControlBase
  39
  40 from common import gajim
  41
  42 ####################
  43
  44 class MessageWindow(object):
  45     """
  46     Class for windows which contain message like things; chats, groupchats, etc
  47     """
  48
  49     # DND_TARGETS is the targets needed by drag_source_set and drag_dest_set
  50     DND_TARGETS = [('GAJIM_TAB', 0, 81)]
  51     hid = 0 # drag_data_received handler id
  52     (
  53             CLOSE_TAB_MIDDLE_CLICK,
  54             CLOSE_ESC,
  55             CLOSE_CLOSE_BUTTON,
  56             CLOSE_COMMAND,
  57             CLOSE_CTRL_KEY
  58     ) = range(5)
  59
  60     def __init__(self, acct, type_, parent_window=None, parent_paned=None):
  61         # A dictionary of dictionaries
  62         # where _contacts[account][jid] == A MessageControl
  63         self._controls = {}
  64
  65         # If None, the window is not tied to any specific account
  66         self.account = acct
  67         # If None, the window is not tied to any specific type
  68         self.type_ = type_
  69         # dict { handler id: widget}. Keeps callbacks, which
  70         # lead to cylcular references
  71         self.handlers = {}
  72         # Don't show warning dialogs when we want to delete the window
  73         self.dont_warn_on_delete = False
  74
  75         self.widget_name = 'message_window'
  76         self.xml = gtkgui_helpers.get_gtk_builder('%s.ui' % self.widget_name)
  77         self.window = self.xml.get_object(self.widget_name)
  78         self.notebook = self.xml.get_object('notebook')
  79         self.parent_paned = None
  80
  81         if parent_window:
  82             orig_window = self.window
  83             self.window = parent_window
  84             self.parent_paned = parent_paned
  85             self.notebook.reparent(self.parent_paned)
  86             self.parent_paned.pack2(self.notebook, resize=True, shrink=True)
  87             orig_window.destroy()
  88             del orig_window
  89
  90         # NOTE: we use 'connect_after' here because in
  91         # MessageWindowMgr._new_window we register handler that saves window
  92         # state when closing it, and it should be called before
  93         # MessageWindow._on_window_delete, which manually destroys window
  94         # through win.destroy() - this means no additional handlers for
  95         # 'delete-event' are called.
  96         id_ = self.window.connect_after('delete-event', self._on_window_delete)
  97         self.handlers[id_] = self.window
  98         id_ = self.window.connect('destroy', self._on_window_destroy)
  99         self.handlers[id_] = self.window
 100         id_ = self.window.connect('focus-in-event', self._on_window_focus)
 101         self.handlers[id_] = self.window
 102
 103         keys=['<Control>f', '<Control>g', '<Control>h', '<Control>i',
 104                 '<Control>l', '<Control>L', '<Control><Shift>n', '<Control>u',
 105                 '<Control>b', '<Control>F4',
 106                 '<Control>w', '<Control>Page_Up', '<Control>Page_Down', '<Alt>Right',
 107                 '<Alt>Left', '<Alt>d', '<Alt>c', '<Alt>m', '<Alt>t', 'Escape'] + \
 108                 ['<Alt>'+str(i) for i in xrange(10)]
 109         accel_group = gtk.AccelGroup()
 110         for key in keys:
 111             keyval, mod = gtk.accelerator_parse(key)
 112             accel_group.connect_group(keyval, mod, gtk.ACCEL_VISIBLE,
 113                     self.accel_group_func)
 114         self.window.add_accel_group(accel_group)
 115
 116         # gtk+ doesn't make use of the motion notify on gtkwindow by default
 117         # so this line adds that
 118         self.window.add_events(gtk.gdk.POINTER_MOTION_MASK)
 119
 120         id_ = self.notebook.connect('switch-page',
 121                 self._on_notebook_switch_page)
 122         self.handlers[id_] = self.notebook
 123         id_ = self.notebook.connect('key-press-event',
 124                 self._on_notebook_key_press)
 125         self.handlers[id_] = self.notebook
 126
 127         # Tab customizations
 128         pref_pos = gajim.config.get('tabs_position')
 129         if pref_pos == 'bottom':
 130             nb_pos = gtk.POS_BOTTOM
 131         elif pref_pos == 'left':
 132             nb_pos = gtk.POS_LEFT
 133         elif pref_pos == 'right':
 134             nb_pos = gtk.POS_RIGHT
 135         else:
 136             nb_pos = gtk.POS_TOP
 137         self.notebook.set_tab_pos(nb_pos)
 138         window_mode = gajim.interface.msg_win_mgr.mode
 139         if gajim.config.get('tabs_always_visible') or \
 140         window_mode == MessageWindowMgr.ONE_MSG_WINDOW_ALWAYS_WITH_ROSTER:
 141             self.notebook.set_show_tabs(True)
 142         else:
 143             self.notebook.set_show_tabs(False)
 144         self.notebook.set_show_border(gajim.config.get('tabs_border'))
 145         self.show_icon()
 146
 147         gobject.idle_add(self.notebook.grab_focus)
 148
 149     def change_account_name(self, old_name, new_name):
 150         if old_name in self._controls:
 151             self._controls[new_name] = self._controls[old_name]
 152             del self._controls[old_name]
 153
 154         for ctrl in self.controls():
 155             if ctrl.account == old_name:
 156                 ctrl.account = new_name
 157         if self.account == old_name:
 158             self.account = new_name
 159
 160     def change_jid(self, account, old_jid, new_jid):
 161         """
 162         Called when the full jid of the control is changed
 163         """
 164         if account not in self._controls:
 165             return
 166         if old_jid not in self._controls[account]:
 167             return
 168         if old_jid == new_jid:
 169             return
 170         self._controls[account][new_jid] = self._controls[account][old_jid]
 171         del self._controls[account][old_jid]
 172
 173     def get_num_controls(self):
 174         return sum(len(d) for d in self._controls.values())
 175
 176     def resize(self, width, height):
 177         gtkgui_helpers.resize_window(self.window, width, height)
 178
 179     def _on_window_focus(self, widget, event):
 180         # window received focus, so if we had urgency REMOVE IT
 181         # NOTE: we do not have to read the message (it maybe in a bg tab)
 182         # to remove urgency hint so this functions does that
 183         gtkgui_helpers.set_unset_urgency_hint(self.window, False)
 184
 185         ctrl = self.get_active_control()
 186         if ctrl:
 187             ctrl.set_control_active(True)
 188             # Undo "unread" state display, etc.
 189             if ctrl.type_id == message_control.TYPE_GC:
 190                 self.redraw_tab(ctrl, 'active')
 191             else:
 192                 # NOTE: we do not send any chatstate to preserve
 193                 # inactive, gone, etc.
 194                 self.redraw_tab(ctrl)
 195
 196     def _on_window_delete(self, win, event):
 197         if self.dont_warn_on_delete:
 198             # Destroy the window
 199             return False
 200
 201         # Number of controls that will be closed and for which we'll loose data:
 202         # chat, pm, gc that won't go in roster
 203         number_of_closed_control = 0
 204         for ctrl in self.controls():
 205             if not ctrl.safe_shutdown():
 206                 number_of_closed_control += 1
 207
 208         if number_of_closed_control > 1:
 209             def on_yes1(checked):
 210                 if checked:
 211                     gajim.config.set('confirm_close_multiple_tabs', False)
 212                 self.dont_warn_on_delete = True
 213                 for ctrl in self.controls():
 214                     if ctrl.minimizable():
 215                         ctrl.minimize()
 216                 win.destroy()
 217
 218             if not gajim.config.get('confirm_close_multiple_tabs'):
 219                 # destroy window
 220                 return False
 221             dialogs.YesNoDialog(
 222                 _('You are going to close several tabs'),
 223                 _('Do you really want to close them all?'),
 224                 checktext=_('_Do not ask me again'), on_response_yes=on_yes1)
 225             return True
 226
 227         def on_yes(ctrl):
 228             if self.on_delete_ok == 1:
 229                 self.dont_warn_on_delete = True
 230                 win.destroy()
 231             self.on_delete_ok -= 1
 232
 233         def on_no(ctrl):
 234             return
 235
 236         def on_minimize(ctrl):
 237             ctrl.minimize()
 238             if self.on_delete_ok == 1:
 239                 self.dont_warn_on_delete = True
 240                 win.destroy()
 241             self.on_delete_ok -= 1
 242
 243         # Make sure all controls are okay with being deleted
 244         self.on_delete_ok = self.get_nb_controls()
 245         for ctrl in self.controls():
 246             ctrl.allow_shutdown(self.CLOSE_CLOSE_BUTTON, on_yes, on_no,
 247                     on_minimize)
 248         return True # halt the delete for the moment
 249
 250     def _on_window_destroy(self, win):
 251         for ctrl in self.controls():
 252             ctrl.shutdown()
 253         self._controls.clear()
 254         # Clean up handlers connected to the parent window, this is important since
 255         # self.window may be the RosterWindow
 256         for i in self.handlers.keys():
 257             if self.handlers[i].handler_is_connected(i):
 258                 self.handlers[i].disconnect(i)
 259             del self.handlers[i]
 260         del self.handlers
 261
 262     def new_tab(self, control):
 263         fjid = control.get_full_jid()
 264
 265         if control.account not in self._controls:
 266             self._controls[control.account] = {}
 267
 268         self._controls[control.account][fjid] = control
 269
 270         if self.get_num_controls() == 2:
 271             # is first conversation_textview scrolled down ?
 272             scrolled = False
 273             first_widget = self.notebook.get_nth_page(0)
 274             ctrl = self._widget_to_control(first_widget)
 275             conv_textview = ctrl.conv_textview
 276             if conv_textview.at_the_end():
 277                 scrolled = True
 278             self.notebook.set_show_tabs(True)
 279             if scrolled:
 280                 gobject.idle_add(conv_textview.scroll_to_end_iter)
 281
 282         # Add notebook page and connect up to the tab's close button
 283         xml = gtkgui_helpers.get_gtk_builder('message_window.ui', 'chat_tab_ebox')
 284         tab_label_box = xml.get_object('chat_tab_ebox')
 285         widget = xml.get_object('tab_close_button')
 286         #this reduces the size of the button
 287         style = gtk.RcStyle()
 288         style.xthickness = 0
 289         style.ythickness = 0
 290         widget.modify_style(style)
 291
 292         id_ = widget.connect('clicked', self._on_close_button_clicked, control)
 293         control.handlers[id_] = widget
 294
 295         id_ = tab_label_box.connect('button-press-event',
 296             self.on_tab_eventbox_button_press_event, control.widget)
 297         control.handlers[id_] = tab_label_box
 298         self.notebook.append_page(control.widget, tab_label_box)
 299
 300         self.notebook.set_tab_reorderable(control.widget, True)
 301
 302         self.redraw_tab(control)
 303         if self.parent_paned:
 304             self.notebook.show_all()
 305         else:
 306             self.window.show_all()
 307         # NOTE: we do not call set_control_active(True) since we don't know
 308         # whether the tab is the active one.
 309         self.show_title()
 310         gobject.idle_add(control.msg_textview.grab_focus)
 311
 312     def on_tab_eventbox_button_press_event(self, widget, event, child):
 313         if event.button == 3: # right click
 314             n = self.notebook.page_num(child)
 315             self.notebook.set_current_page(n)
 316             self.popup_menu(event)
 317         elif event.button == 2: # middle click
 318             ctrl = self._widget_to_control(child)
 319             self.remove_tab(ctrl, self.CLOSE_TAB_MIDDLE_CLICK)
 320         else:
 321             ctrl = self._widget_to_control(child)
 322             gobject.idle_add(ctrl.msg_textview.grab_focus)
 323
 324     def _on_message_textview_mykeypress_event(self, widget, event_keyval,
 325             event_keymod):
 326         # NOTE: handles mykeypress which is custom signal; see message_textview.py
 327
 328         # construct event instance from binding
 329         event = gtk.gdk.Event(gtk.gdk.KEY_PRESS) # it's always a key-press here
 330         event.keyval = event_keyval
 331         event.state = event_keymod
 332         event.time = 0 # assign current time
 333
 334         if event.state & gtk.gdk.CONTROL_MASK:
 335             # Tab switch bindings
 336             if event.keyval == gtk.keysyms.Tab: # CTRL + TAB
 337                 self.move_to_next_unread_tab(True)
 338             elif event.keyval == gtk.keysyms.ISO_Left_Tab: # CTRL + SHIFT + TAB
 339                 self.move_to_next_unread_tab(False)
 340             elif event.keyval == gtk.keysyms.Page_Down: # CTRL + PAGE DOWN
 341                 self.notebook.emit('key_press_event', event)
 342             elif event.keyval == gtk.keysyms.Page_Up: # CTRL + PAGE UP
 343                 self.notebook.emit('key_press_event', event)
 344
 345     def accel_group_func(self, accel_group, acceleratable, keyval, modifier):
 346         st = '1234567890' # alt+1 means the first tab (tab 0)
 347         control = self.get_active_control()
 348         if not control:
 349             # No more control in this window
 350             return
 351
 352         # CTRL mask
 353         if modifier & gtk.gdk.CONTROL_MASK:
 354             if keyval == gtk.keysyms.h: # CTRL + h
 355                 control._on_history_menuitem_activate()
 356             elif control.type_id == message_control.TYPE_CHAT and \
 357             keyval == gtk.keysyms.f: # CTRL + f
 358                 control._on_send_file_menuitem_activate(None)
 359             elif control.type_id == message_control.TYPE_CHAT and \
 360             keyval == gtk.keysyms.g: # CTRL + g
 361                 control._on_convert_to_gc_menuitem_activate(None)
 362             elif control.type_id in (message_control.TYPE_CHAT,
 363             message_control.TYPE_PM) and keyval == gtk.keysyms.i: # CTRL + i
 364                 control._on_contact_information_menuitem_activate(None)
 365             elif keyval == gtk.keysyms.l or keyval == gtk.keysyms.L: # CTRL + l|L
 366                 control.conv_textview.clear()
 367             elif keyval == gtk.keysyms.u: # CTRL + u: emacs style clear line
 368                 control.clear(control.msg_textview)
 369             elif control.type_id == message_control.TYPE_GC and \
 370             keyval == gtk.keysyms.b: # CTRL + b
 371                 control._on_bookmark_room_menuitem_activate(None)
 372             # Tab switch bindings
 373             elif keyval == gtk.keysyms.F4: # CTRL + F4
 374                 self.remove_tab(control, self.CLOSE_CTRL_KEY)
 375             elif keyval == gtk.keysyms.w: # CTRL + w
 376                 # CTRL + w removes latest word before sursor when User uses emacs
 377                 # theme
 378                 if not gtk.settings_get_default().get_property(
 379                 'gtk-key-theme-name') == 'Emacs':
 380                     self.remove_tab(control, self.CLOSE_CTRL_KEY)
 381             elif keyval in (gtk.keysyms.Page_Up, gtk.keysyms.Page_Down):
 382                 # CTRL + PageUp | PageDown
 383                 # Create event and send it to notebook
 384                 event = gtk.gdk.Event(gtk.gdk.KEY_PRESS)
 385                 event.window = self.window.window
 386                 event.time = int(time.time())
 387                 event.state = gtk.gdk.CONTROL_MASK
 388                 event.keyval = int(keyval)
 389                 self.notebook.emit('key_press_event', event)
 390
 391             if modifier & gtk.gdk.SHIFT_MASK:
 392                 # CTRL + SHIFT
 393                 if control.type_id == message_control.TYPE_GC and \
 394                 keyval == gtk.keysyms.n: # CTRL + SHIFT + n
 395                     control._on_change_nick_menuitem_activate(None)
 396         # MOD1 (ALT) mask
 397         elif modifier & gtk.gdk.MOD1_MASK:
 398             # Tab switch bindings
 399             if keyval == gtk.keysyms.Right: # ALT + RIGHT
 400                 new = self.notebook.get_current_page() + 1
 401                 if new >= self.notebook.get_n_pages():
 402                     new = 0
 403                 self.notebook.set_current_page(new)
 404             elif keyval == gtk.keysyms.Left: # ALT + LEFT
 405                 new = self.notebook.get_current_page() - 1
 406                 if new < 0:
 407                     new = self.notebook.get_n_pages() - 1
 408                 self.notebook.set_current_page(new)
 409             elif chr(keyval) in st: # ALT + 1,2,3..
 410                 self.notebook.set_current_page(st.index(chr(keyval)))
 411             elif keyval == gtk.keysyms.c: # ALT + C toggles chat buttons
 412                 control.chat_buttons_set_visible(not control.hide_chat_buttons)
 413             elif keyval == gtk.keysyms.m: # ALT + M show emoticons menu
 414                 control.show_emoticons_menu()
 415             elif keyval == gtk.keysyms.d: # ALT + D show actions menu
 416                 control.on_actions_button_clicked(control.actions_button)
 417             elif control.type_id == message_control.TYPE_GC and \
 418             keyval == gtk.keysyms.t: # ALT + t
 419                 control._on_change_subject_menuitem_activate(None)
 420         # Close tab bindings
 421         elif keyval == gtk.keysyms.Escape and \
 422                         gajim.config.get('escape_key_closes'): # Escape
 423             self.remove_tab(control, self.CLOSE_ESC)
 424         return True
 425
 426     def _on_close_button_clicked(self, button, control):
 427         """
 428         When close button is pressed: close a tab
 429         """
 430         self.remove_tab(control, self.CLOSE_CLOSE_BUTTON)
 431
 432     def show_icon(self):
 433         window_mode = gajim.interface.msg_win_mgr.mode
 434         icon = None
 435         if window_mode == MessageWindowMgr.ONE_MSG_WINDOW_NEVER:
 436             ctrl = self.get_active_control()
 437             if not ctrl:
 438                 return
 439             icon = ctrl.get_tab_image(count_unread=False)
 440         elif window_mode == MessageWindowMgr.ONE_MSG_WINDOW_ALWAYS:
 441             pass # keep default icon
 442         elif window_mode == MessageWindowMgr.ONE_MSG_WINDOW_ALWAYS_WITH_ROSTER:
 443             pass # keep default icon
 444         elif window_mode == MessageWindowMgr.ONE_MSG_WINDOW_PERACCT:
 445             pass # keep default icon
 446         elif window_mode == MessageWindowMgr.ONE_MSG_WINDOW_PERTYPE:
 447             if self.type_ == 'gc':
 448                 icon = gtkgui_helpers.load_icon('muc_active')
 449             else:
 450                 # chat, pm
 451                 icon = gtkgui_helpers.load_icon('online')
 452         if icon:
 453             self.window.set_icon(icon.get_pixbuf())
 454
 455     def show_title(self, urgent=True, control=None):
 456         """
 457         Redraw the window's title
 458         """
 459         if not control:
 460             control = self.get_active_control()
 461         if not control:
 462             # No more control in this window
 463             return
 464         unread = 0
 465         for ctrl in self.controls():
 466             if ctrl.type_id == message_control.TYPE_GC and not \
 467             gajim.config.get('notify_on_all_muc_messages') and not \
 468             ctrl.attention_flag:
 469                 # count only pm messages
 470                 unread += ctrl.get_nb_unread_pm()
 471                 continue
 472             unread += ctrl.get_nb_unread()
 473
 474         unread_str = ''
 475         if unread > 1:
 476             unread_str = '[' + unicode(unread) + '] '
 477         elif unread == 1:
 478             unread_str = '* '
 479         else:
 480             urgent = False
 481
 482         if control.type_id == message_control.TYPE_GC:
 483             name = control.room_jid.split('@')[0]
 484             urgent = control.attention_flag
 485         else:
 486             name = control.contact.get_shown_name()
 487             if control.resource:
 488                 name += '/' + control.resource
 489
 490         window_mode = gajim.interface.msg_win_mgr.mode
 491         if window_mode == MessageWindowMgr.ONE_MSG_WINDOW_PERTYPE:
 492             # Show the plural form since number of tabs > 1
 493             if self.type_ == 'chat':
 494                 label = _('Chats')
 495             elif self.type_ == 'gc':
 496                 label = _('Group Chats')
 497             else:
 498                 label = _('Private Chats')
 499         elif window_mode == MessageWindowMgr.ONE_MSG_WINDOW_ALWAYS_WITH_ROSTER:
 500             label = None
 501         elif self.get_num_controls() == 1:
 502             label = name
 503         else:
 504             label = _('Messages')
 505
 506         title = 'Gajim'
 507         if label:
 508             title = '%s - %s' % (label, title)
 509
 510         if window_mode == MessageWindowMgr.ONE_MSG_WINDOW_PERACCT:
 511             title = title + ": " + control.account
 512
 513         self.window.set_title(unread_str + title)
 514
 515         if urgent:
 516             gtkgui_helpers.set_unset_urgency_hint(self.window, unread)
 517         else:
 518             gtkgui_helpers.set_unset_urgency_hint(self.window, False)
 519
 520     def set_active_tab(self, ctrl):
 521         ctrl_page = self.notebook.page_num(ctrl.widget)
 522         self.notebook.set_current_page(ctrl_page)
 523         self.window.present()
 524         gobject.idle_add(ctrl.msg_textview.grab_focus)
 525
 526     def remove_tab(self, ctrl, method, reason = None, force = False):
 527         """
 528         Reason is only for gc (offline status message) if force is True, do not
 529         ask any confirmation
 530         """
 531         def close(ctrl):
 532             if reason is not None: # We are leaving gc with a status message
 533                 ctrl.shutdown(reason)
 534             else: # We are leaving gc without status message or it's a chat
 535                 ctrl.shutdown()
 536             # Update external state
 537             gajim.events.remove_events(ctrl.account, ctrl.get_full_jid,
 538                     types = ['printed_msg', 'chat', 'gc_msg'])
 539
 540             fjid = ctrl.get_full_jid()
 541             jid = gajim.get_jid_without_resource(fjid)
 542
 543             fctrl = self.get_control(fjid, ctrl.account)
 544             bctrl = self.get_control(jid, ctrl.account)
 545             # keep last_message_time around unless this was our last control with
 546             # that jid
 547             if not fctrl and not bctrl and \
 548             fjid in gajim.last_message_time[ctrl.account]:
 549                 del gajim.last_message_time[ctrl.account][fjid]
 550
 551             self.notebook.remove_page(self.notebook.page_num(ctrl.widget))
 552
 553             del self._controls[ctrl.account][fjid]
 554
 555             if len(self._controls[ctrl.account]) == 0:
 556                 del self._controls[ctrl.account]
 557
 558             self.check_tabs()
 559             self.show_title()
 560
 561         def on_yes(ctrl):
 562             close(ctrl)
 563
 564         def on_no(ctrl):
 565             return
 566
 567         def on_minimize(ctrl):
 568             if method != self.CLOSE_COMMAND:
 569                 ctrl.minimize()
 570                 self.check_tabs()
 571                 return
 572             close(ctrl)
 573
 574         # Shutdown the MessageControl
 575         if force:
 576             close(ctrl)
 577         else:
 578             ctrl.allow_shutdown(method, on_yes, on_no, on_minimize)
 579
 580     def check_tabs(self):
 581         if self.get_num_controls() == 0:
 582             # These are not called when the window is destroyed like this, fake it
 583             gajim.interface.msg_win_mgr._on_window_delete(self.window, None)
 584             gajim.interface.msg_win_mgr._on_window_destroy(self.window)
 585             # dnd clean up
 586             self.notebook.drag_dest_unset()
 587             if self.parent_paned:
 588                 # Don't close parent window, just remove the child
 589                 child = self.parent_paned.get_child2()
 590                 self.parent_paned.remove(child)
 591             else:
 592                 self.window.destroy()
 593             return # don't show_title, we are dead
 594         elif self.get_num_controls() == 1: # we are going from two tabs to one
 595             window_mode = gajim.interface.msg_win_mgr.mode
 596             show_tabs_if_one_tab = gajim.config.get('tabs_always_visible') or \
 597                 window_mode == MessageWindowMgr.ONE_MSG_WINDOW_ALWAYS_WITH_ROSTER
 598             self.notebook.set_show_tabs(show_tabs_if_one_tab)
 599
 600     def redraw_tab(self, ctrl, chatstate = None):
 601         hbox = self.notebook.get_tab_label(ctrl.widget).get_children()[0]
 602         status_img = hbox.get_children()[0]
 603         nick_label = hbox.get_children()[1]
 604
 605         # Optionally hide close button
 606         close_button = hbox.get_children()[2]
 607         if gajim.config.get('tabs_close_button'):
 608             close_button.show()
 609         else:
 610             close_button.hide()
 611
 612         # Update nick
 613         nick_label.set_max_width_chars(10)
 614         (tab_label_str, tab_label_color) = ctrl.get_tab_label(chatstate)
 615         nick_label.set_markup(tab_label_str)
 616         if tab_label_color:
 617             nick_label.modify_fg(gtk.STATE_NORMAL, tab_label_color)
 618             nick_label.modify_fg(gtk.STATE_ACTIVE, tab_label_color)
 619
 620         tab_img = ctrl.get_tab_image()
 621         if tab_img:
 622             if tab_img.get_storage_type() == gtk.IMAGE_ANIMATION:
 623                 status_img.set_from_animation(tab_img.get_animation())
 624             else:
 625                 status_img.set_from_pixbuf(tab_img.get_pixbuf())
 626
 627         self.show_icon()
 628
 629     def repaint_themed_widgets(self):
 630         """
 631         Repaint controls in the window with theme color
 632         """
 633         # iterate through controls and repaint
 634         for ctrl in self.controls():
 635             ctrl.repaint_themed_widgets()
 636
 637     def _widget_to_control(self, widget):
 638         for ctrl in self.controls():
 639             if ctrl.widget == widget:
 640                 return ctrl
 641         return None
 642
 643     def get_active_control(self):
 644         notebook = self.notebook
 645         active_widget = notebook.get_nth_page(notebook.get_current_page())
 646         return self._widget_to_control(active_widget)
 647
 648     def get_active_contact(self):
 649         ctrl = self.get_active_control()
 650         if ctrl:
 651             return ctrl.contact
 652         return None
 653
 654     def get_active_jid(self):
 655         contact = self.get_active_contact()
 656         if contact:
 657             return contact.jid
 658         return None
 659
 660     def is_active(self):
 661         return self.window.is_active()
 662
 663     def get_origin(self):
 664         return self.window.window.get_origin()
 665
 666     def get_control(self, key, acct):
 667         """
 668         Return the MessageControl for jid or n, where n is a notebook page index.
 669         When key is an int index acct may be None
 670         """
 671         if isinstance(key, str):
 672             key = unicode(key, 'utf-8')
 673
 674         if isinstance(key, unicode):
 675             jid = key
 676             try:
 677                 return self._controls[acct][jid]
 678             except Exception:
 679                 return None
 680         else:
 681             page_num = key
 682             notebook = self.notebook
 683             if page_num is None:
 684                 page_num = notebook.get_current_page()
 685             nth_child = notebook.get_nth_page(page_num)
 686             return self._widget_to_control(nth_child)
 687
 688     def has_control(self, jid, acct):
 689         return (acct in self._controls and jid in self._controls[acct])
 690
 691     def change_key(self, old_jid, new_jid, acct):
 692         """
 693         Change the JID key of a control
 694         """
 695         try:
 696             # Check if controls exists
 697             ctrl = self._controls[acct][old_jid]
 698         except KeyError:
 699             return
 700
 701         if new_jid in self._controls[acct]:
 702             self.remove_tab(self._controls[acct][new_jid],
 703                 self.CLOSE_CLOSE_BUTTON, force=True)
 704
 705         self._controls[acct][new_jid] = ctrl
 706         del self._controls[acct][old_jid]
 707
 708         if old_jid in gajim.last_message_time[acct]:
 709             gajim.last_message_time[acct][new_jid] = \
 710                     gajim.last_message_time[acct][old_jid]
 711             del gajim.last_message_time[acct][old_jid]
 712
 713     def controls(self):
 714         for jid_dict in self._controls.values():
 715             for ctrl in jid_dict.values():
 716                 yield ctrl
 717
 718     def get_nb_controls(self):
 719         return sum(len(jid_dict) for jid_dict in self._controls.values())
 720
 721     def move_to_next_unread_tab(self, forward):
 722         ind = self.notebook.get_current_page()
 723         current = ind
 724         found = False
 725         first_composing_ind = -1  # id of first composing ctrl to switch to
 726         # if no others controls have awaiting events
 727         # loop until finding an unread tab or having done a complete cycle
 728         while True:
 729             if forward == True: # look for the first unread tab on the right
 730                 ind = ind + 1
 731                 if ind >= self.notebook.get_n_pages():
 732                     ind = 0
 733             else: # look for the first unread tab on the right
 734                 ind = ind - 1
 735                 if ind < 0:
 736                     ind = self.notebook.get_n_pages() - 1
 737             ctrl = self.get_control(ind, None)
 738             if ctrl.get_nb_unread() > 0:
 739                 found = True
 740                 break # found
 741             elif gajim.config.get('ctrl_tab_go_to_next_composing') :
 742                 # Search for a composing contact
 743                 contact = ctrl.contact
 744                 if first_composing_ind == -1 and contact.chatstate == 'composing':
 745                 # If no composing contact found yet, check if this one is composing
 746                     first_composing_ind = ind
 747             if ind == current:
 748                 break # a complete cycle without finding an unread tab
 749         if found:
 750             self.notebook.set_current_page(ind)
 751         elif first_composing_ind != -1:
 752             self.notebook.set_current_page(first_composing_ind)
 753         else: # not found and nobody composing
 754             if forward: # CTRL + TAB
 755                 if current < (self.notebook.get_n_pages() - 1):
 756                     self.notebook.next_page()
 757                 else: # traverse for ever (eg. don't stop at last tab)
 758                     self.notebook.set_current_page(0)
 759             else: # CTRL + SHIFT + TAB
 760                 if current > 0:
 761                     self.notebook.prev_page()
 762                 else: # traverse for ever (eg. don't stop at first tab)
 763                     self.notebook.set_current_page(
 764                             self.notebook.get_n_pages() - 1)
 765
 766     def popup_menu(self, event):
 767         menu = self.get_active_control().prepare_context_menu()
 768         # show the menu
 769         menu.popup(None, None, None, event.button, event.time)
 770         menu.show_all()
 771
 772     def _on_notebook_switch_page(self, notebook, page, page_num):
 773         old_no = notebook.get_current_page()
 774         if old_no >= 0:
 775             old_ctrl = self._widget_to_control(notebook.get_nth_page(old_no))
 776             old_ctrl.set_control_active(False)
 777
 778         new_ctrl = self._widget_to_control(notebook.get_nth_page(page_num))
 779         new_ctrl.set_control_active(True)
 780         self.show_title(control = new_ctrl)
 781
 782         control = self.get_active_control()
 783         if isinstance(control, ChatControlBase):
 784             control.msg_textview.grab_focus()
 785
 786     def _on_notebook_key_press(self, widget, event):
 787         # when tab itself is selected,
 788         # make sure <- and -> are allowed for navigating between tabs
 789         if event.keyval in (gtk.keysyms.Left, gtk.keysyms.Right):
 790             return False
 791
 792         control = self.get_active_control()
 793
 794         if event.state & gtk.gdk.SHIFT_MASK:
 795             # CTRL + SHIFT + TAB
 796             if event.state & gtk.gdk.CONTROL_MASK and \
 797             event.keyval == gtk.keysyms.ISO_Left_Tab:
 798                 self.move_to_next_unread_tab(False)
 799                 return True
 800             # SHIFT + PAGE_[UP|DOWN]: send to conv_textview
 801             elif event.keyval in (gtk.keysyms.Page_Down, gtk.keysyms.Page_Up):
 802                 control.conv_textview.tv.emit('key_press_event', event)
 803                 return True
 804         elif event.state & gtk.gdk.CONTROL_MASK:
 805             if event.keyval == gtk.keysyms.Tab: # CTRL + TAB
 806                 self.move_to_next_unread_tab(True)
 807                 return True
 808             # Ctrl+PageUP / DOWN has to be handled by notebook
 809             elif event.keyval == gtk.keysyms.Page_Down:
 810                 self.move_to_next_unread_tab(True)
 811                 return True
 812             elif event.keyval == gtk.keysyms.Page_Up:
 813                 self.move_to_next_unread_tab(False)
 814                 return True
 815         if event.keyval in (gtk.keysyms.Shift_L, gtk.keysyms.Shift_R,
 816         gtk.keysyms.Control_L, gtk.keysyms.Control_R, gtk.keysyms.Caps_Lock,
 817         gtk.keysyms.Shift_Lock, gtk.keysyms.Meta_L, gtk.keysyms.Meta_R,
 818         gtk.keysyms.Alt_L, gtk.keysyms.Alt_R, gtk.keysyms.Super_L,
 819         gtk.keysyms.Super_R, gtk.keysyms.Hyper_L, gtk.keysyms.Hyper_R):
 820             return True
 821
 822         if isinstance(control, ChatControlBase):
 823             # we forwarded it to message textview
 824             control.msg_textview.emit('key_press_event', event)
 825             control.msg_textview.grab_focus()
 826
 827     def get_tab_at_xy(self, x, y):
 828         """
 829         Return the tab under xy and if its nearer from left or right side of the
 830         tab
 831         """
 832         page_num = -1
 833         to_right = False
 834         horiz = self.notebook.get_tab_pos() == gtk.POS_TOP or \
 835                 self.notebook.get_tab_pos() == gtk.POS_BOTTOM
 836         for i in xrange(self.notebook.get_n_pages()):
 837             page = self.notebook.get_nth_page(i)
 838             tab = self.notebook.get_tab_label(page)
 839             tab_alloc = tab.get_allocation()
 840             if horiz:
 841                 if (x >= tab_alloc.x) and \
 842                 (x <= (tab_alloc.x + tab_alloc.width)):
 843                     page_num = i
 844                     if x >= tab_alloc.x + (tab_alloc.width / 2.0):
 845                         to_right = True
 846                     break
 847             else:
 848                 if (y >= tab_alloc.y) and \
 849                 (y <= (tab_alloc.y + tab_alloc.height)):
 850                     page_num = i
 851
 852                     if y > tab_alloc.y + (tab_alloc.height / 2.0):
 853                         to_right = True
 854                     break
 855         return (page_num, to_right)
 856
 857     def find_page_num_according_to_tab_label(self, tab_label):
 858         """
 859         Find the page num of the tab label
 860         """
 861         page_num = -1
 862         for i in xrange(self.notebook.get_n_pages()):
 863             page = self.notebook.get_nth_page(i)
 864             tab = self.notebook.get_tab_label(page)
 865             if tab == tab_label:
 866                 page_num = i
 867                 break
 868         return page_num
 869
 870 ################################################################################
 871 class MessageWindowMgr(gobject.GObject):
 872     """
 873     A manager and factory for MessageWindow objects
 874     """
 875
 876     __gsignals__ = {
 877             'window-delete': (gobject.SIGNAL_RUN_LAST, None, (object,)),
 878     }
 879
 880     # These constants map to common.config.opt_one_window_types indices
 881     (
 882             ONE_MSG_WINDOW_NEVER,
 883             ONE_MSG_WINDOW_ALWAYS,
 884             ONE_MSG_WINDOW_ALWAYS_WITH_ROSTER,
 885             ONE_MSG_WINDOW_PERACCT,
 886             ONE_MSG_WINDOW_PERTYPE,
 887     ) = range(5)
 888     # A key constant for the main window in ONE_MSG_WINDOW_ALWAYS mode
 889     MAIN_WIN = 'main'
 890     # A key constant for the main window in ONE_MSG_WINDOW_ALWAYS_WITH_ROSTER mode
 891     ROSTER_MAIN_WIN = 'roster'
 892
 893     def __init__(self, parent_window, parent_paned):
 894         """
 895         A dictionary of windows; the key depends on the config:
 896             ONE_MSG_WINDOW_NEVER: The key is the contact JID
 897             ONE_MSG_WINDOW_ALWAYS: The key is MessageWindowMgr.MAIN_WIN
 898             ONE_MSG_WINDOW_ALWAYS_WITH_ROSTER: The key is MessageWindowMgr.MAIN_WIN
 899             ONE_MSG_WINDOW_PERACCT: The key is the account name
 900             ONE_MSG_WINDOW_PERTYPE: The key is a message type constant
 901         """
 902         gobject.GObject.__init__(self)
 903         self._windows = {}
 904
 905         # Map the mode to a int constant for frequent compares
 906         mode = gajim.config.get('one_message_window')
 907         self.mode = common.config.opt_one_window_types.index(mode)
 908
 909         self.parent_win = parent_window
 910         self.parent_paned = parent_paned
 911
 912     def change_account_name(self, old_name, new_name):
 913         for win in self.windows():
 914             win.change_account_name(old_name, new_name)
 915
 916     def _new_window(self, acct, type_):
 917         parent_win = None
 918         parent_paned = None
 919         if self.mode == self.ONE_MSG_WINDOW_ALWAYS_WITH_ROSTER:
 920             parent_win = self.parent_win
 921             parent_paned = self.parent_paned
 922         win = MessageWindow(acct, type_, parent_win, parent_paned)
 923         # we track the lifetime of this window
 924         win.window.connect('delete-event', self._on_window_delete)
 925         win.window.connect('destroy', self._on_window_destroy)
 926         return win
 927
 928     def _gtk_win_to_msg_win(self, gtk_win):
 929         for w in self.windows():
 930             if w.window == gtk_win:
 931                 return w
 932         return None
 933
 934     def get_window(self, jid, acct):
 935         for win in self.windows():
 936             if win.has_control(jid, acct):
 937                 return win
 938
 939         return None
 940
 941     def has_window(self, jid, acct):
 942         return self.get_window(jid, acct) is not None
 943
 944     def one_window_opened(self, contact=None, acct=None, type_=None):
 945         try:
 946             return \
 947                 self._windows[self._mode_to_key(contact, acct, type_)] is not None
 948         except KeyError:
 949             return False
 950
 951     def _resize_window(self, win, acct, type_):
 952         """
 953         Resizes window according to config settings
 954         """
 955         if self.mode in (self.ONE_MSG_WINDOW_ALWAYS,
 956                         self.ONE_MSG_WINDOW_ALWAYS_WITH_ROSTER):
 957             size = (gajim.config.get('msgwin-width'),
 958                     gajim.config.get('msgwin-height'))
 959             if self.mode == self.ONE_MSG_WINDOW_ALWAYS_WITH_ROSTER:
 960                 parent_size = win.window.get_size()
 961                 # Need to add the size of the now visible paned handle, otherwise
 962                 # the saved width of the message window decreases by this amount
 963                 handle_size = win.parent_paned.style_get_property('handle-size')
 964                 size = (parent_size[0] + size[0] + handle_size, size[1])
 965         elif self.mode == self.ONE_MSG_WINDOW_PERACCT:
 966             size = (gajim.config.get_per('accounts', acct, 'msgwin-width'),
 967                     gajim.config.get_per('accounts', acct, 'msgwin-height'))
 968         elif self.mode in (self.ONE_MSG_WINDOW_NEVER, self.ONE_MSG_WINDOW_PERTYPE):
 969             if type_ == message_control.TYPE_PM:
 970                 type_ = message_control.TYPE_CHAT
 971             opt_width = type_ + '-msgwin-width'
 972             opt_height = type_ + '-msgwin-height'
 973             size = (gajim.config.get(opt_width), gajim.config.get(opt_height))
 974         else:
 975             return
 976         win.resize(size[0], size[1])
 977         if win.parent_paned:
 978             win.parent_paned.set_position(parent_size[0])
 979
 980     def _position_window(self, win, acct, type_):
 981         """
 982         Moves window according to config settings
 983         """
 984         if (self.mode in [self.ONE_MSG_WINDOW_NEVER,
 985         self.ONE_MSG_WINDOW_ALWAYS_WITH_ROSTER]):
 986             return
 987
 988         if self.mode == self.ONE_MSG_WINDOW_ALWAYS:
 989             pos = (gajim.config.get('msgwin-x-position'),
 990                     gajim.config.get('msgwin-y-position'))
 991         elif self.mode == self.ONE_MSG_WINDOW_PERACCT:
 992             pos = (gajim.config.get_per('accounts', acct, 'msgwin-x-position'),
 993                     gajim.config.get_per('accounts', acct, 'msgwin-y-position'))
 994         elif self.mode == self.ONE_MSG_WINDOW_PERTYPE:
 995             pos = (gajim.config.get(type_ + '-msgwin-x-position'),
 996                     gajim.config.get(type_ + '-msgwin-y-position'))
 997         else:
 998             return
 999
1000         gtkgui_helpers.move_window(win.window, pos[0], pos[1])
1001
1002     def _mode_to_key(self, contact, acct, type_, resource = None):
1003         if self.mode == self.ONE_MSG_WINDOW_NEVER:
1004             key = acct + contact.jid
1005             if resource:
1006                 key += '/' + resource
1007             return key
1008         elif self.mode == self.ONE_MSG_WINDOW_ALWAYS:
1009             return self.MAIN_WIN
1010         elif self.mode == self.ONE_MSG_WINDOW_ALWAYS_WITH_ROSTER:
1011             return self.ROSTER_MAIN_WIN
1012         elif self.mode == self.ONE_MSG_WINDOW_PERACCT:
1013             return acct
1014         elif self.mode == self.ONE_MSG_WINDOW_PERTYPE:
1015             return type_
1016
1017     def create_window(self, contact, acct, type_, resource = None):
1018         win_acct = None
1019         win_type = None
1020         win_role = None # X11 window role
1021
1022         win_key = self._mode_to_key(contact, acct, type_, resource)
1023         if self.mode == self.ONE_MSG_WINDOW_PERACCT:
1024             win_acct = acct
1025             win_role = acct
1026         elif self.mode == self.ONE_MSG_WINDOW_PERTYPE:
1027             win_type = type_
1028             win_role = type_
1029         elif self.mode == self.ONE_MSG_WINDOW_NEVER:
1030             win_type = type_
1031             win_role = contact.jid
1032         elif self.mode == self.ONE_MSG_WINDOW_ALWAYS:
1033             win_role = 'messages'
1034
1035         win = None
1036         try:
1037             win = self._windows[win_key]
1038         except KeyError:
1039             win = self._new_window(win_acct, win_type)
1040
1041         if win_role:
1042             win.window.set_role(win_role)
1043
1044         # Position and size window based on saved state and window mode
1045         if not self.one_window_opened(contact, acct, type_):
1046             if gajim.config.get('msgwin-max-state'):
1047                 win.window.maximize()
1048             else:
1049                 self._resize_window(win, acct, type_)
1050                 self._position_window(win, acct, type_)
1051
1052         self._windows[win_key] = win
1053         return win
1054
1055     def change_key(self, old_jid, new_jid, acct):
1056         win = self.get_window(old_jid, acct)
1057         if self.mode == self.ONE_MSG_WINDOW_NEVER:
1058             old_key = acct + old_jid
1059             if old_jid not in self._windows:
1060                 return
1061             new_key = acct + new_jid
1062             self._windows[new_key] = self._windows[old_key]
1063             del self._windows[old_key]
1064         win.change_key(old_jid, new_jid, acct)
1065
1066     def _on_window_delete(self, win, event):
1067         self.save_state(self._gtk_win_to_msg_win(win))
1068         gajim.interface.save_config()
1069         return False
1070
1071     def _on_window_destroy(self, win):
1072         for k in self._windows.keys():
1073             if self._windows[k].window == win:
1074                 self.emit('window-delete', self._windows[k])
1075                 del self._windows[k]
1076                 return
1077
1078     def get_control(self, jid, acct):
1079         """
1080         Amongst all windows, return the MessageControl for jid
1081         """
1082         win = self.get_window(jid, acct)
1083         if win:
1084             return win.get_control(jid, acct)
1085         return None
1086
1087     def get_gc_control(self, jid, acct):
1088         """
1089         Same as get_control. Was briefly required, is not any more. May be useful
1090         some day in the future?
1091         """
1092         ctrl = self.get_control(jid, acct)
1093         if ctrl and ctrl.type_id == message_control.TYPE_GC:
1094             return ctrl
1095         return None
1096
1097     def get_controls(self, type_=None, acct=None):
1098         ctrls = []
1099         for c in self.controls():
1100             if acct and c.account != acct:
1101                 continue
1102             if not type_ or c.type_id == type_:
1103                 ctrls.append(c)
1104         return ctrls
1105
1106     def windows(self):
1107         for w in self._windows.values():
1108             yield w
1109
1110     def controls(self):
1111         for w in self._windows.values():
1112             for c in w.controls():
1113                 yield c
1114
1115     def shutdown(self, width_adjust=0):
1116         for w in self.windows():
1117             self.save_state(w, width_adjust)
1118             if not w.parent_paned:
1119                 w.window.hide()
1120                 w.window.destroy()
1121
1122         gajim.interface.save_config()
1123
1124     def save_state(self, msg_win, width_adjust=0):
1125         # Save window size and position
1126         max_win_key = 'msgwin-max-state'
1127         pos_x_key = 'msgwin-x-position'
1128         pos_y_key = 'msgwin-y-position'
1129         size_width_key = 'msgwin-width'
1130         size_height_key = 'msgwin-height'
1131
1132         acct = None
1133         x, y = msg_win.window.get_position()
1134         width, height = msg_win.window.get_size()
1135
1136         # If any of these values seem bogus don't update.
1137         if x < 0 or y < 0 or width < 0 or height < 0:
1138             return
1139
1140         elif self.mode == self.ONE_MSG_WINDOW_PERACCT:
1141             acct = msg_win.account
1142         elif self.mode == self.ONE_MSG_WINDOW_PERTYPE:
1143             type_ = msg_win.type_
1144             pos_x_key = type_ + '-msgwin-x-position'
1145             pos_y_key = type_ + '-msgwin-y-position'
1146             size_width_key = type_ + '-msgwin-width'
1147             size_height_key = type_ + '-msgwin-height'
1148         elif self.mode == self.ONE_MSG_WINDOW_NEVER:
1149             type_ = msg_win.type_
1150             size_width_key = type_ + '-msgwin-width'
1151             size_height_key = type_ + '-msgwin-height'
1152         elif self.mode == self.ONE_MSG_WINDOW_ALWAYS_WITH_ROSTER:
1153             # Ignore any hpaned width
1154             width = msg_win.notebook.allocation.width
1155
1156         if acct:
1157             gajim.config.set_per('accounts', acct, size_width_key, width)
1158             gajim.config.set_per('accounts', acct, size_height_key, height)
1159
1160             if self.mode != self.ONE_MSG_WINDOW_NEVER:
1161                 gajim.config.set_per('accounts', acct, pos_x_key, x)
1162                 gajim.config.set_per('accounts', acct, pos_y_key, y)
1163
1164         else:
1165             win_maximized = msg_win.window.window.get_state() == \
1166                     gtk.gdk.WINDOW_STATE_MAXIMIZED
1167             gajim.config.set(max_win_key, win_maximized)
1168             width += width_adjust
1169             gajim.config.set(size_width_key, width)
1170             gajim.config.set(size_height_key, height)
1171
1172             if self.mode != self.ONE_MSG_WINDOW_NEVER:
1173                 gajim.config.set(pos_x_key, x)
1174                 gajim.config.set(pos_y_key, y)
1175
1176     def reconfig(self):
1177         for w in self.windows():
1178             self.save_state(w)
1179         gajim.interface.save_config()
1180         mode = gajim.config.get('one_message_window')
1181         if self.mode == common.config.opt_one_window_types.index(mode):
1182             # No change
1183             return
1184         self.mode = common.config.opt_one_window_types.index(mode)
1185
1186         controls = []
1187         for w in self.windows():
1188             # Note, we are taking care not to hide/delete the roster window when the
1189             # MessageWindow is embedded.
1190             if not w.parent_paned:
1191                 w.window.hide()
1192             else:
1193                 # Stash current size so it can be restored if the MessageWindow
1194                 # is not longer embedded
1195                 roster_width = w.parent_paned.get_child1().allocation.width
1196                 gajim.config.set('roster_width', roster_width)
1197
1198             while w.notebook.get_n_pages():
1199                 page = w.notebook.get_nth_page(0)
1200                 ctrl = w._widget_to_control(page)
1201                 w.notebook.remove_page(0)
1202                 page.unparent()
1203                 controls.append(ctrl)
1204
1205             # Must clear _controls to prevent MessageControl.shutdown calls
1206             w._controls = {}
1207             if not w.parent_paned:
1208                 w.window.destroy()
1209             else:
1210                 # Don't close parent window, just remove the child
1211                 child = w.parent_paned.get_child2()
1212                 w.parent_paned.remove(child)
1213                 gtkgui_helpers.resize_window(w.window,
1214                         gajim.config.get('roster_width'),
1215                         gajim.config.get('roster_height'))
1216
1217         self._windows = {}
1218
1219         for ctrl in controls:
1220             mw = self.get_window(ctrl.contact.jid, ctrl.account)
1221             if not mw:
1222                 mw = self.create_window(ctrl.contact, ctrl.account,
1223                                         ctrl.type_id)
1224             ctrl.parent_win = mw
1225             mw.new_tab(ctrl)