libempathy-gtk/empathy-group-chat.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2002-2007 Imendio AB
   4  * Copyright (C) 2007 Collabora Ltd.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public
  17  * License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  *
  21  * Authors: Mikael Hallendal <micke@imendio.com>
  22  *          Richard Hult <richard@imendio.com>
  23  *          Martyn Russell <martyn@imendio.com>
  24  *          Xavier Claessens <xclaesse@gmail.com>
  25  */
  26
  27 #include "config.h"
  28
  29 #include <string.h>
  30
  31 #include <gdk/gdkkeysyms.h>
  32 #include <gtk/gtk.h>
  33 #include <glade/glade.h>
  34 #include <glib/gi18n.h>
  35
  36 #include <libempathy/empathy-tp-chat.h>
  37 #include <libempathy/empathy-tp-chatroom.h>
  38 #include <libempathy/empathy-contact.h>
  39 #include <libempathy/empathy-utils.h>
  40 #include <libempathy/empathy-debug.h>
  41 #include <libempathy/empathy-conf.h>
  42
  43 #include "empathy-group-chat.h"
  44 #include "empathy-chat.h"
  45 #include "empathy-chat-view.h"
  46 #include "empathy-contact-list-store.h"
  47 #include "empathy-contact-list-view.h"
  48 //#include "empathy-chat-invite.h"
  49 //#include "empathy-sound.h"
  50 #include "empathy-images.h"
  51 #include "empathy-ui-utils.h"
  52 #include "empathy-preferences.h"
  53
  54 #define DEBUG_DOMAIN "GroupChat"
  55
  56 #define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EMPATHY_TYPE_GROUP_CHAT, EmpathyGroupChatPriv))
  57
  58 struct _EmpathyGroupChatPriv {
  59         EmpathyContactListStore *store;
  60         EmpathyContactListView  *view;
  61         EmpathyTpChatroom      *tp_chat;
  62
  63         GtkWidget              *widget;
  64         GtkWidget              *hpaned;
  65         GtkWidget              *vbox_left;
  66         GtkWidget              *scrolled_window_chat;
  67         GtkWidget              *scrolled_window_input;
  68         GtkWidget              *scrolled_window_contacts;
  69         GtkWidget              *hbox_topic;
  70         GtkWidget              *label_topic;
  71
  72         gchar                  *topic;
  73         gchar                  *name;
  74         GCompletion            *completion;
  75
  76         gint                    contacts_width;
  77         gboolean                contacts_visible;
  78 };
  79
  80 static void          group_chat_finalize                 (GObject           *object);
  81 static void          group_chat_create_ui                (EmpathyGroupChat  *chat);
  82 static void          group_chat_widget_destroy_cb        (GtkWidget         *widget,
  83                                                           EmpathyGroupChat  *chat);
  84 static void          group_chat_members_changed_cb       (EmpathyTpChatroom *tp_chat,
  85                                                           EmpathyContact    *contact,
  86                                                           EmpathyContact    *actor,
  87                                                           guint              reason,
  88                                                           gchar             *message,
  89                                                           gboolean           is_member,
  90                                                           EmpathyGroupChat  *chat);
  91 static void          group_chat_topic_entry_activate_cb  (GtkWidget         *entry,
  92                                                           GtkDialog         *dialog);
  93 static void          group_chat_topic_response_cb        (GtkWidget         *dialog,
  94                                                           gint               response,
  95                                                           EmpathyGroupChat  *chat);
  96 static const gchar * group_chat_get_name                 (EmpathyChat       *chat);
  97 static gchar *       group_chat_get_tooltip              (EmpathyChat       *chat);
  98 static const gchar * group_chat_get_status_icon_name     (EmpathyChat       *chat);
  99 static GtkWidget *   group_chat_get_widget               (EmpathyChat       *chat);
 100 static gboolean      group_chat_is_group_chat            (EmpathyChat       *chat);
 101 static void          group_chat_set_tp_chat              (EmpathyChat       *chat,
 102                                                           EmpathyTpChat     *tp_chat);
 103 static void          group_chat_subject_notify_cb        (EmpathyTpChat     *tp_chat,
 104                                                           GParamSpec        *param,
 105                                                           EmpathyGroupChat  *chat);
 106 static void          group_chat_name_notify_cb           (EmpathyTpChat     *tp_chat,
 107                                                           GParamSpec        *param,
 108                                                           EmpathyGroupChat  *chat);
 109 static gboolean      group_chat_key_press_event          (EmpathyChat       *chat,
 110                                                           GdkEventKey       *event);
 111 static gint          group_chat_contacts_completion_func (const gchar       *s1,
 112                                                           const gchar       *s2,
 113                                                           gsize              n);
 114
 115 G_DEFINE_TYPE (EmpathyGroupChat, empathy_group_chat, EMPATHY_TYPE_CHAT)
 116
 117 static void
 118 empathy_group_chat_class_init (EmpathyGroupChatClass *klass)
 119 {
 120         GObjectClass    *object_class;
 121         EmpathyChatClass *chat_class;
 122
 123         object_class = G_OBJECT_CLASS (klass);
 124         chat_class = EMPATHY_CHAT_CLASS (klass);
 125
 126         object_class->finalize           = group_chat_finalize;
 127
 128         chat_class->get_name             = group_chat_get_name;
 129         chat_class->get_tooltip          = group_chat_get_tooltip;
 130         chat_class->get_status_icon_name = group_chat_get_status_icon_name;
 131         chat_class->get_widget           = group_chat_get_widget;
 132         chat_class->is_group_chat        = group_chat_is_group_chat;
 133         chat_class->set_tp_chat          = group_chat_set_tp_chat;
 134         chat_class->key_press_event      = group_chat_key_press_event;
 135
 136         g_type_class_add_private (object_class, sizeof (EmpathyGroupChatPriv));
 137 }
 138
 139 static void
 140 empathy_group_chat_init (EmpathyGroupChat *chat)
 141 {
 142         EmpathyGroupChatPriv *priv;
 143         EmpathyChatView      *chatview;
 144
 145         priv = GET_PRIV (chat);
 146
 147         priv->contacts_visible = TRUE;
 148
 149         chatview = EMPATHY_CHAT_VIEW (EMPATHY_CHAT (chat)->view);
 150         empathy_chat_view_set_is_group_chat (chatview, TRUE);
 151
 152         group_chat_create_ui (chat);
 153 }
 154
 155 static void
 156 group_chat_finalize (GObject *object)
 157 {
 158         EmpathyGroupChat     *chat;
 159         EmpathyGroupChatPriv *priv;
 160
 161         empathy_debug (DEBUG_DOMAIN, "Finalized:%p", object);
 162
 163         chat = EMPATHY_GROUP_CHAT (object);
 164         priv = GET_PRIV (chat);
 165
 166         g_free (priv->name);
 167         g_free (priv->topic);
 168         g_object_unref (priv->store);
 169         g_object_unref (priv->tp_chat);
 170         g_completion_free (priv->completion);
 171
 172         G_OBJECT_CLASS (empathy_group_chat_parent_class)->finalize (object);
 173 }
 174
 175 EmpathyGroupChat *
 176 empathy_group_chat_new (McAccount *account,
 177                         TpChan    *tp_chan)
 178 {
 179         EmpathyGroupChat     *chat;
 180         EmpathyGroupChatPriv *priv;
 181
 182         g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
 183         g_return_val_if_fail (TELEPATHY_IS_CHAN (tp_chan), NULL);
 184
 185         chat = g_object_new (EMPATHY_TYPE_GROUP_CHAT, NULL);
 186
 187         priv = GET_PRIV (chat);
 188
 189         EMPATHY_CHAT (chat)->account = g_object_ref (account);
 190         priv->tp_chat = empathy_tp_chatroom_new (account, tp_chan);
 191         empathy_chat_set_tp_chat (EMPATHY_CHAT (chat), EMPATHY_TP_CHAT (priv->tp_chat));
 192
 193         return chat;
 194 }
 195
 196 gboolean
 197 empathy_group_chat_get_show_contacts (EmpathyGroupChat *chat)
 198 {
 199         EmpathyGroupChat     *group_chat;
 200         EmpathyGroupChatPriv *priv;
 201
 202         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), FALSE);
 203
 204         group_chat = EMPATHY_GROUP_CHAT (chat);
 205         priv = GET_PRIV (group_chat);
 206
 207         return priv->contacts_visible;
 208 }
 209
 210 void
 211 empathy_group_chat_set_show_contacts (EmpathyGroupChat *chat,
 212                                      gboolean         show)
 213 {
 214         EmpathyGroupChat     *group_chat;
 215         EmpathyGroupChatPriv *priv;
 216
 217         g_return_if_fail (EMPATHY_IS_GROUP_CHAT (chat));
 218
 219         group_chat = EMPATHY_GROUP_CHAT (chat);
 220         priv = GET_PRIV (group_chat);
 221
 222         priv->contacts_visible = show;
 223
 224         if (show) {
 225                 gtk_widget_show (priv->scrolled_window_contacts);
 226                 gtk_paned_set_position (GTK_PANED (priv->hpaned),
 227                                         priv->contacts_width);
 228         } else {
 229                 priv->contacts_width = gtk_paned_get_position (GTK_PANED (priv->hpaned));
 230                 gtk_widget_hide (priv->scrolled_window_contacts);
 231         }
 232 }
 233
 234 void
 235 empathy_group_chat_set_topic (EmpathyGroupChat *chat)
 236 {
 237         EmpathyGroupChatPriv *priv;
 238         EmpathyChatWindow    *chat_window;
 239         GtkWidget           *chat_dialog;
 240         GtkWidget           *dialog;
 241         GtkWidget           *entry;
 242         GtkWidget           *hbox;
 243         const gchar         *topic;
 244
 245         g_return_if_fail (EMPATHY_IS_GROUP_CHAT (chat));
 246
 247         priv = GET_PRIV (chat);
 248
 249         chat_window = empathy_chat_get_window (EMPATHY_CHAT (chat));
 250         chat_dialog = empathy_chat_window_get_dialog (chat_window);
 251
 252         dialog = gtk_message_dialog_new (GTK_WINDOW (chat_dialog),
 253                                          0,
 254                                          GTK_MESSAGE_QUESTION,
 255                                          GTK_BUTTONS_OK_CANCEL,
 256                                          _("Enter the new topic you want to set for this room:"));
 257
 258         topic = gtk_label_get_text (GTK_LABEL (priv->label_topic));
 259
 260         hbox = gtk_hbox_new (FALSE, 0);
 261         gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox),
 262                             hbox, FALSE, TRUE, 4);
 263
 264         entry = gtk_entry_new ();
 265         gtk_entry_set_text (GTK_ENTRY (entry), topic);
 266         gtk_editable_select_region (GTK_EDITABLE (entry), 0, -1);
 267
 268         gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 4);
 269
 270         g_object_set (GTK_MESSAGE_DIALOG (dialog)->label, "use-markup", TRUE, NULL);
 271         g_object_set_data (G_OBJECT (dialog), "entry", entry);
 272
 273         g_signal_connect (entry, "activate",
 274                           G_CALLBACK (group_chat_topic_entry_activate_cb),
 275                           dialog);
 276         g_signal_connect (dialog, "response",
 277                           G_CALLBACK (group_chat_topic_response_cb),
 278                           chat);
 279
 280         gtk_widget_show_all (dialog);
 281 }
 282
 283 static void
 284 group_chat_create_ui (EmpathyGroupChat *chat)
 285 {
 286         EmpathyGroupChatPriv *priv;
 287         GladeXML            *glade;
 288         GList               *list = NULL;
 289
 290         priv = GET_PRIV (chat);
 291
 292         glade = empathy_glade_get_file ("empathy-group-chat.glade",
 293                                        "group_chat_widget",
 294                                        NULL,
 295                                        "group_chat_widget", &priv->widget,
 296                                        "hpaned", &priv->hpaned,
 297                                        "vbox_left", &priv->vbox_left,
 298                                        "scrolled_window_chat", &priv->scrolled_window_chat,
 299                                        "scrolled_window_input", &priv->scrolled_window_input,
 300                                        "hbox_topic", &priv->hbox_topic,
 301                                        "label_topic", &priv->label_topic,
 302                                        "scrolled_window_contacts", &priv->scrolled_window_contacts,
 303                                        NULL);
 304
 305         empathy_glade_connect (glade,
 306                               chat,
 307                               "group_chat_widget", "destroy", group_chat_widget_destroy_cb,
 308                               NULL);
 309
 310         g_object_unref (glade);
 311
 312         g_object_set_data (G_OBJECT (priv->widget), "chat", g_object_ref (chat));
 313
 314         /* Add room GtkTextView. */
 315         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat),
 316                            GTK_WIDGET (EMPATHY_CHAT (chat)->view));
 317         gtk_widget_show (GTK_WIDGET (EMPATHY_CHAT (chat)->view));
 318
 319         /* Add input GtkTextView */
 320         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input),
 321                            EMPATHY_CHAT (chat)->input_text_view);
 322         gtk_widget_show (EMPATHY_CHAT (chat)->input_text_view);
 323
 324         /* Add nick name completion */
 325         priv->completion = g_completion_new ((GCompletionFunc) empathy_contact_get_name);
 326         g_completion_set_compare (priv->completion,
 327                                   group_chat_contacts_completion_func);
 328
 329         /* Set widget focus order */
 330         list = g_list_append (NULL, priv->scrolled_window_input);
 331         gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list);
 332         g_list_free (list);
 333
 334         list = g_list_append (NULL, priv->vbox_left);
 335         list = g_list_append (list, priv->scrolled_window_contacts);
 336         gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list);
 337         g_list_free (list);
 338
 339         list = g_list_append (NULL, priv->hpaned);
 340         list = g_list_append (list, priv->hbox_topic);
 341         gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list);
 342         g_list_free (list);
 343 }
 344
 345 static void
 346 group_chat_widget_destroy_cb (GtkWidget       *widget,
 347                               EmpathyGroupChat *chat)
 348 {
 349         empathy_debug (DEBUG_DOMAIN, "Destroyed");
 350
 351         g_object_unref (chat);
 352 }
 353
 354 static void
 355 group_chat_members_changed_cb (EmpathyTpChatroom *tp_chat,
 356                                EmpathyContact     *contact,
 357                                EmpathyContact     *actor,
 358                                guint               reason,
 359                                gchar              *message,
 360                                gboolean            is_member,
 361                                EmpathyGroupChat   *chat)
 362 {
 363         EmpathyGroupChatPriv *priv;
 364         gchar                *str;
 365
 366         priv = GET_PRIV (chat);
 367
 368         if (is_member) {
 369                 str = g_strdup_printf (_("%s has joined the room"),
 370                                        empathy_contact_get_name (contact));
 371         } else {
 372                 str = g_strdup_printf (_("%s has left the room"),
 373                                        empathy_contact_get_name (contact));
 374         }
 375         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
 376         g_free (str);
 377 }
 378
 379 static void
 380 group_chat_topic_entry_activate_cb (GtkWidget *entry,
 381                                     GtkDialog *dialog)
 382 {
 383         gtk_dialog_response (dialog, GTK_RESPONSE_OK);
 384 }
 385
 386 static void
 387 group_chat_topic_response_cb (GtkWidget       *dialog,
 388                               gint             response,
 389                               EmpathyGroupChat *chat)
 390 {
 391         if (response == GTK_RESPONSE_OK) {
 392                 GtkWidget   *entry;
 393                 const gchar *topic;
 394
 395                 entry = g_object_get_data (G_OBJECT (dialog), "entry");
 396                 topic = gtk_entry_get_text (GTK_ENTRY (entry));
 397
 398                 if (!G_STR_EMPTY (topic)) {
 399                         EmpathyGroupChatPriv *priv;
 400
 401                         priv = GET_PRIV (chat);
 402
 403                         empathy_tp_chatroom_set_topic (priv->tp_chat, topic);
 404                 }
 405         }
 406
 407         gtk_widget_destroy (dialog);
 408 }
 409
 410 static const gchar *
 411 group_chat_get_name (EmpathyChat *chat)
 412 {
 413         EmpathyGroupChat     *group_chat;
 414         EmpathyGroupChatPriv *priv;
 415
 416         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), NULL);
 417
 418         group_chat = EMPATHY_GROUP_CHAT (chat);
 419         priv = GET_PRIV (group_chat);
 420
 421         if (!priv->name) {
 422                 const gchar *id;
 423                 const gchar *server;
 424
 425                 id = empathy_chat_get_id (chat);
 426                 server = strstr (id, "@");
 427
 428                 if (server) {
 429                         priv->name = g_strndup (id, server - id);
 430                 } else {
 431                         priv->name = g_strdup (id);
 432                 }
 433         }
 434
 435         return priv->name;
 436 }
 437
 438 static gchar *
 439 group_chat_get_tooltip (EmpathyChat *chat)
 440 {
 441         EmpathyGroupChat     *group_chat;
 442         EmpathyGroupChatPriv *priv;
 443
 444         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), NULL);
 445
 446         group_chat = EMPATHY_GROUP_CHAT (chat);
 447         priv = GET_PRIV (group_chat);
 448
 449         if (priv->topic) {
 450                 gchar *topic, *tmp;
 451
 452                 topic = g_strdup_printf (_("Topic: %s"), priv->topic);
 453                 tmp = g_strdup_printf ("%s\n%s", priv->name, topic);
 454                 g_free (topic);
 455
 456                 return tmp;
 457         }
 458
 459         return g_strdup (priv->name);
 460 }
 461
 462 static const gchar *
 463 group_chat_get_status_icon_name (EmpathyChat *chat)
 464 {
 465         return EMPATHY_IMAGE_GROUP_MESSAGE;
 466 }
 467
 468 static GtkWidget *
 469 group_chat_get_widget (EmpathyChat *chat)
 470 {
 471         EmpathyGroupChat     *group_chat;
 472         EmpathyGroupChatPriv *priv;
 473
 474         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), NULL);
 475
 476         group_chat = EMPATHY_GROUP_CHAT (chat);
 477         priv = GET_PRIV (group_chat);
 478
 479         return priv->widget;
 480 }
 481
 482 static gboolean
 483 group_chat_is_group_chat (EmpathyChat *chat)
 484 {
 485         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), FALSE);
 486
 487         return TRUE;
 488 }
 489
 490 static void
 491 group_chat_set_tp_chat (EmpathyChat    *chat,
 492                         EmpathyTpChat *tp_chat)
 493 {
 494         EmpathyGroupChat     *group_chat;
 495         EmpathyGroupChatPriv *priv;
 496
 497         g_return_if_fail (EMPATHY_IS_GROUP_CHAT (chat));
 498
 499         group_chat = EMPATHY_GROUP_CHAT (chat);
 500         priv = GET_PRIV (group_chat);
 501
 502         /* Free all resources related to tp_chat */
 503         if (priv->tp_chat) {
 504                 g_object_unref (priv->tp_chat);
 505                 priv->tp_chat = NULL;
 506         }
 507         if (priv->view) {
 508                 gtk_widget_destroy (GTK_WIDGET (priv->view));
 509                 g_object_unref (priv->store);
 510         }
 511         g_free (priv->name);
 512         g_free (priv->topic);
 513         priv->name = NULL;
 514         priv->topic = NULL;
 515
 516         if (!tp_chat) {
 517                 /* We are no more connected */
 518                 gtk_widget_set_sensitive (priv->hbox_topic, FALSE);
 519                 gtk_widget_set_sensitive (priv->scrolled_window_contacts, FALSE);
 520                 return;
 521         }
 522
 523         /* We are connected */
 524         gtk_widget_set_sensitive (priv->hbox_topic, TRUE);
 525         gtk_widget_set_sensitive (priv->scrolled_window_contacts, TRUE);
 526
 527         priv->tp_chat = g_object_ref (tp_chat);
 528
 529         if (empathy_tp_chatroom_get_invitation (priv->tp_chat, NULL, NULL)) {
 530                 empathy_tp_chatroom_accept_invitation (priv->tp_chat);
 531         }
 532
 533         /* Create contact list */
 534         priv->store = empathy_contact_list_store_new (EMPATHY_CONTACT_LIST (priv->tp_chat));
 535         priv->view = empathy_contact_list_view_new (priv->store);
 536         empathy_contact_list_view_set_interactive (priv->view, TRUE);
 537         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_contacts),
 538                            GTK_WIDGET (priv->view));
 539         gtk_widget_show (GTK_WIDGET (priv->view));
 540
 541         /* Connect signals */
 542         g_signal_connect (priv->tp_chat, "members-changed",
 543                           G_CALLBACK (group_chat_members_changed_cb),
 544                           chat);
 545         g_signal_connect (priv->tp_chat, "notify::subject",
 546                           G_CALLBACK (group_chat_subject_notify_cb),
 547                           chat);
 548         g_signal_connect (priv->tp_chat, "notify::name",
 549                           G_CALLBACK (group_chat_name_notify_cb),
 550                           chat);
 551 }
 552
 553 static void
 554 group_chat_subject_notify_cb (EmpathyTpChat   *tp_chat,
 555                               GParamSpec      *param,
 556                               EmpathyGroupChat *chat)
 557 {
 558         EmpathyGroupChatPriv *priv;
 559         gchar                *str = NULL;
 560
 561         priv = GET_PRIV (chat);
 562
 563         g_object_get (priv->tp_chat, "subject", &str, NULL);
 564         if (!empathy_strdiff (priv->topic, str)) {
 565                 g_free (str);
 566                 return;
 567         }
 568
 569         g_free (priv->topic);
 570         priv->topic = str;
 571         gtk_label_set_text (GTK_LABEL (priv->label_topic), priv->topic);
 572
 573         if (!G_STR_EMPTY (priv->topic)) {
 574                 str = g_strdup_printf (_("Topic set to: %s"), priv->topic);
 575         } else {
 576                 str = g_strdup (_("No topic defined"));
 577         }
 578         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
 579         g_free (str);
 580 }
 581
 582 static void
 583 group_chat_name_notify_cb (EmpathyTpChat   *tp_chat,
 584                            GParamSpec      *param,
 585                            EmpathyGroupChat *chat)
 586 {
 587         EmpathyGroupChatPriv *priv;
 588
 589         priv = GET_PRIV (chat);
 590
 591         g_free (priv->name);
 592         g_object_get (priv->tp_chat, "name", &priv->name, NULL);
 593 }
 594
 595 static gboolean
 596 group_chat_key_press_event (EmpathyChat *chat,
 597                             GdkEventKey *event)
 598 {
 599         EmpathyGroupChatPriv *priv = GET_PRIV (chat);
 600
 601         if (!(event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) &&
 602             event->keyval == GDK_Tab) {
 603                 GtkTextBuffer *buffer;
 604                 GtkTextIter    start, current;
 605                 gchar         *nick, *completed;
 606                 GList         *list, *completed_list;
 607                 gboolean       is_start_of_buffer;
 608
 609                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (EMPATHY_CHAT (chat)->input_text_view));
 610                 gtk_text_buffer_get_iter_at_mark (buffer, &current, gtk_text_buffer_get_insert (buffer));
 611
 612                 /* Get the start of the nick to complete. */
 613                 gtk_text_buffer_get_iter_at_mark (buffer, &start, gtk_text_buffer_get_insert (buffer));
 614                 gtk_text_iter_backward_word_start (&start);
 615                 is_start_of_buffer = gtk_text_iter_is_start (&start);
 616
 617                 list = empathy_contact_list_get_members (EMPATHY_CONTACT_LIST (priv->tp_chat));
 618                 g_completion_add_items (priv->completion, list);
 619
 620                 nick = gtk_text_buffer_get_text (buffer, &start, &current, FALSE);
 621                 completed_list = g_completion_complete (priv->completion,
 622                                                         nick,
 623                                                         &completed);
 624
 625                 g_free (nick);
 626
 627                 if (completed) {
 628                         guint        len;
 629                         const gchar *text;
 630                         gchar       *complete_char = NULL;
 631
 632                         gtk_text_buffer_delete (buffer, &start, &current);
 633
 634                         len = g_list_length (completed_list);
 635
 636                         if (len == 1) {
 637                                 /* If we only have one hit, use that text
 638                                  * instead of the text in completed since the
 639                                  * completed text will use the typed string
 640                                  * which might be cased all wrong.
 641                                  * Fixes #120876
 642                                  * */
 643                                 text = empathy_contact_get_name (completed_list->data);
 644                         } else {
 645                                 text = completed;
 646                         }
 647
 648                         gtk_text_buffer_insert_at_cursor (buffer, text, strlen (text));
 649
 650                         if (len == 1 && is_start_of_buffer &&
 651                             empathy_conf_get_string (empathy_conf_get (),
 652                                                      EMPATHY_PREFS_CHAT_NICK_COMPLETION_CHAR,
 653                                                      &complete_char) &&
 654                             complete_char != NULL) {
 655                                 gtk_text_buffer_insert_at_cursor (buffer,
 656                                                                   complete_char,
 657                                                                   strlen (complete_char));
 658                                 gtk_text_buffer_insert_at_cursor (buffer, " ", 1);
 659                                 g_free (complete_char);
 660                         }
 661
 662                         g_free (completed);
 663                 }
 664
 665                 g_completion_clear_items (priv->completion);
 666
 667                 g_list_foreach (list, (GFunc) g_object_unref, NULL);
 668                 g_list_free (list);
 669
 670                 return TRUE;
 671         }
 672
 673         return FALSE;
 674 }
 675
 676 static gint
 677 group_chat_contacts_completion_func (const gchar *s1,
 678                                      const gchar *s2,
 679                                      gsize        n)
 680 {
 681         gchar *tmp, *nick1, *nick2;
 682         gint   ret;
 683
 684         tmp = g_utf8_normalize (s1, -1, G_NORMALIZE_DEFAULT);
 685         nick1 = g_utf8_casefold (tmp, -1);
 686         g_free (tmp);
 687
 688         tmp = g_utf8_normalize (s2, -1, G_NORMALIZE_DEFAULT);
 689         nick2 = g_utf8_casefold (tmp, -1);
 690         g_free (tmp);
 691
 692         ret = strncmp (nick1, nick2, n);
 693
 694         g_free (nick1);
 695         g_free (nick2);
 696
 697         return ret;
 698 }
 699