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 <gtk/gtk.h>
  32 #include <glade/glade.h>
  33 #include <glib/gi18n.h>
  34
  35 #include <libempathy/empathy-tp-chat.h>
  36 #include <libempathy/empathy-tp-chatroom.h>
  37 #include <libempathy/empathy-contact.h>
  38 #include <libempathy/empathy-utils.h>
  39 #include <libempathy/empathy-debug.h>
  40
  41 #include "empathy-group-chat.h"
  42 #include "empathy-chat.h"
  43 #include "empathy-chat-view.h"
  44 #include "empathy-contact-list-store.h"
  45 #include "empathy-contact-list-view.h"
  46 //#include "empathy-chat-invite.h"
  47 //#include "empathy-sound.h"
  48 #include "empathy-images.h"
  49 #include "empathy-ui-utils.h"
  50
  51 #define DEBUG_DOMAIN "GroupChat"
  52
  53 #define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EMPATHY_TYPE_GROUP_CHAT, EmpathyGroupChatPriv))
  54
  55 struct _EmpathyGroupChatPriv {
  56         EmpathyContactListStore *store;
  57         EmpathyContactListView  *view;
  58         EmpathyTpChatroom      *tp_chat;
  59
  60         GtkWidget              *widget;
  61         GtkWidget              *hpaned;
  62         GtkWidget              *vbox_left;
  63         GtkWidget              *scrolled_window_chat;
  64         GtkWidget              *scrolled_window_input;
  65         GtkWidget              *scrolled_window_contacts;
  66         GtkWidget              *hbox_topic;
  67         GtkWidget              *label_topic;
  68
  69         gchar                  *topic;
  70         gchar                  *name;
  71         GCompletion            *completion;
  72
  73         gint                    contacts_width;
  74         gboolean                contacts_visible;
  75 };
  76
  77 static void          group_chat_finalize                 (GObject           *object);
  78 static void          group_chat_create_ui                (EmpathyGroupChat  *chat);
  79 static void          group_chat_widget_destroy_cb        (GtkWidget         *widget,
  80                                                           EmpathyGroupChat  *chat);
  81 static void          group_chat_contact_added_cb         (EmpathyTpChatroom *tp_chat,
  82                                                           EmpathyContact    *contact,
  83                                                           EmpathyGroupChat  *chat);
  84 static void          group_chat_contact_removed_cb       (EmpathyTpChatroom *tp_chat,
  85                                                           EmpathyContact    *contact,
  86                                                           EmpathyGroupChat  *chat);
  87 static void          group_chat_topic_entry_activate_cb  (GtkWidget         *entry,
  88                                                           GtkDialog         *dialog);
  89 static void          group_chat_topic_response_cb        (GtkWidget         *dialog,
  90                                                           gint               response,
  91                                                           EmpathyGroupChat  *chat);
  92 static const gchar * group_chat_get_name                 (EmpathyChat       *chat);
  93 static gchar *       group_chat_get_tooltip              (EmpathyChat       *chat);
  94 static const gchar * group_chat_get_status_icon_name     (EmpathyChat       *chat);
  95 static GtkWidget *   group_chat_get_widget               (EmpathyChat       *chat);
  96 static gboolean      group_chat_is_group_chat            (EmpathyChat       *chat);
  97 static void          group_chat_set_tp_chat              (EmpathyChat       *chat,
  98                                                           EmpathyTpChat     *tp_chat);
  99 static void          group_chat_subject_notify_cb        (EmpathyTpChat     *tp_chat,
 100                                                           GParamSpec        *param,
 101                                                           EmpathyGroupChat  *chat);
 102 static void          group_chat_name_notify_cb           (EmpathyTpChat     *tp_chat,
 103                                                           GParamSpec        *param,
 104                                                           EmpathyGroupChat  *chat);
 105 /*static gboolean      group_chat_key_press_event          (GtkWidget         *widget,
 106                                                           GdkEventKey       *event,
 107                                                           EmpathyGroupChat  *chat);*/
 108 static gint          group_chat_contacts_completion_func (const gchar       *s1,
 109                                                           const gchar       *s2,
 110                                                           gsize              n);
 111
 112 G_DEFINE_TYPE (EmpathyGroupChat, empathy_group_chat, EMPATHY_TYPE_CHAT)
 113
 114 static void
 115 empathy_group_chat_class_init (EmpathyGroupChatClass *klass)
 116 {
 117         GObjectClass    *object_class;
 118         EmpathyChatClass *chat_class;
 119
 120         object_class = G_OBJECT_CLASS (klass);
 121         chat_class = EMPATHY_CHAT_CLASS (klass);
 122
 123         object_class->finalize           = group_chat_finalize;
 124
 125         chat_class->get_name             = group_chat_get_name;
 126         chat_class->get_tooltip          = group_chat_get_tooltip;
 127         chat_class->get_status_icon_name = group_chat_get_status_icon_name;
 128         chat_class->get_widget           = group_chat_get_widget;
 129         chat_class->is_group_chat        = group_chat_is_group_chat;
 130         chat_class->set_tp_chat          = group_chat_set_tp_chat;
 131
 132         g_type_class_add_private (object_class, sizeof (EmpathyGroupChatPriv));
 133 }
 134
 135 static void
 136 empathy_group_chat_init (EmpathyGroupChat *chat)
 137 {
 138         EmpathyGroupChatPriv *priv;
 139         EmpathyChatView      *chatview;
 140
 141         priv = GET_PRIV (chat);
 142
 143         priv->contacts_visible = TRUE;
 144
 145         chatview = EMPATHY_CHAT_VIEW (EMPATHY_CHAT (chat)->view);
 146         empathy_chat_view_set_is_group_chat (chatview, TRUE);
 147
 148         group_chat_create_ui (chat);
 149 }
 150
 151 static void
 152 group_chat_finalize (GObject *object)
 153 {
 154         EmpathyGroupChat     *chat;
 155         EmpathyGroupChatPriv *priv;
 156
 157         empathy_debug (DEBUG_DOMAIN, "Finalized:%p", object);
 158
 159         chat = EMPATHY_GROUP_CHAT (object);
 160         priv = GET_PRIV (chat);
 161
 162         g_free (priv->name);
 163         g_free (priv->topic);
 164         g_object_unref (priv->store);
 165         g_object_unref (priv->tp_chat);
 166         g_completion_free (priv->completion);
 167
 168         G_OBJECT_CLASS (empathy_group_chat_parent_class)->finalize (object);
 169 }
 170
 171 EmpathyGroupChat *
 172 empathy_group_chat_new (McAccount *account,
 173                         TpChan    *tp_chan)
 174 {
 175         EmpathyGroupChat     *chat;
 176         EmpathyGroupChatPriv *priv;
 177
 178         g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
 179         g_return_val_if_fail (TELEPATHY_IS_CHAN (tp_chan), NULL);
 180
 181         chat = g_object_new (EMPATHY_TYPE_GROUP_CHAT, NULL);
 182
 183         priv = GET_PRIV (chat);
 184
 185         EMPATHY_CHAT (chat)->account = g_object_ref (account);
 186         priv->tp_chat = empathy_tp_chatroom_new (account, tp_chan);
 187         empathy_chat_set_tp_chat (EMPATHY_CHAT (chat), EMPATHY_TP_CHAT (priv->tp_chat));
 188
 189         return chat;
 190 }
 191
 192 gboolean
 193 empathy_group_chat_get_show_contacts (EmpathyGroupChat *chat)
 194 {
 195         EmpathyGroupChat     *group_chat;
 196         EmpathyGroupChatPriv *priv;
 197
 198         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), FALSE);
 199
 200         group_chat = EMPATHY_GROUP_CHAT (chat);
 201         priv = GET_PRIV (group_chat);
 202
 203         return priv->contacts_visible;
 204 }
 205
 206 void
 207 empathy_group_chat_set_show_contacts (EmpathyGroupChat *chat,
 208                                      gboolean         show)
 209 {
 210         EmpathyGroupChat     *group_chat;
 211         EmpathyGroupChatPriv *priv;
 212
 213         g_return_if_fail (EMPATHY_IS_GROUP_CHAT (chat));
 214
 215         group_chat = EMPATHY_GROUP_CHAT (chat);
 216         priv = GET_PRIV (group_chat);
 217
 218         priv->contacts_visible = show;
 219
 220         if (show) {
 221                 gtk_widget_show (priv->scrolled_window_contacts);
 222                 gtk_paned_set_position (GTK_PANED (priv->hpaned),
 223                                         priv->contacts_width);
 224         } else {
 225                 priv->contacts_width = gtk_paned_get_position (GTK_PANED (priv->hpaned));
 226                 gtk_widget_hide (priv->scrolled_window_contacts);
 227         }
 228 }
 229
 230 void
 231 empathy_group_chat_set_topic (EmpathyGroupChat *chat)
 232 {
 233         EmpathyGroupChatPriv *priv;
 234         EmpathyChatWindow    *chat_window;
 235         GtkWidget           *chat_dialog;
 236         GtkWidget           *dialog;
 237         GtkWidget           *entry;
 238         GtkWidget           *hbox;
 239         const gchar         *topic;
 240
 241         g_return_if_fail (EMPATHY_IS_GROUP_CHAT (chat));
 242
 243         priv = GET_PRIV (chat);
 244
 245         chat_window = empathy_chat_get_window (EMPATHY_CHAT (chat));
 246         chat_dialog = empathy_chat_window_get_dialog (chat_window);
 247
 248         dialog = gtk_message_dialog_new (GTK_WINDOW (chat_dialog),
 249                                          0,
 250                                          GTK_MESSAGE_QUESTION,
 251                                          GTK_BUTTONS_OK_CANCEL,
 252                                          _("Enter the new topic you want to set for this room:"));
 253
 254         topic = gtk_label_get_text (GTK_LABEL (priv->label_topic));
 255
 256         hbox = gtk_hbox_new (FALSE, 0);
 257         gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox),
 258                             hbox, FALSE, TRUE, 4);
 259
 260         entry = gtk_entry_new ();
 261         gtk_entry_set_text (GTK_ENTRY (entry), topic);
 262         gtk_editable_select_region (GTK_EDITABLE (entry), 0, -1);
 263
 264         gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 4);
 265
 266         g_object_set (GTK_MESSAGE_DIALOG (dialog)->label, "use-markup", TRUE, NULL);
 267         g_object_set_data (G_OBJECT (dialog), "entry", entry);
 268
 269         g_signal_connect (entry, "activate",
 270                           G_CALLBACK (group_chat_topic_entry_activate_cb),
 271                           dialog);
 272         g_signal_connect (dialog, "response",
 273                           G_CALLBACK (group_chat_topic_response_cb),
 274                           chat);
 275
 276         gtk_widget_show_all (dialog);
 277 }
 278
 279 static void
 280 group_chat_create_ui (EmpathyGroupChat *chat)
 281 {
 282         EmpathyGroupChatPriv *priv;
 283         GladeXML            *glade;
 284         GList               *list = NULL;
 285
 286         priv = GET_PRIV (chat);
 287
 288         glade = empathy_glade_get_file ("empathy-group-chat.glade",
 289                                        "group_chat_widget",
 290                                        NULL,
 291                                        "group_chat_widget", &priv->widget,
 292                                        "hpaned", &priv->hpaned,
 293                                        "vbox_left", &priv->vbox_left,
 294                                        "scrolled_window_chat", &priv->scrolled_window_chat,
 295                                        "scrolled_window_input", &priv->scrolled_window_input,
 296                                        "hbox_topic", &priv->hbox_topic,
 297                                        "label_topic", &priv->label_topic,
 298                                        "scrolled_window_contacts", &priv->scrolled_window_contacts,
 299                                        NULL);
 300
 301         empathy_glade_connect (glade,
 302                               chat,
 303                               "group_chat_widget", "destroy", group_chat_widget_destroy_cb,
 304                               NULL);
 305
 306         g_object_unref (glade);
 307
 308         g_object_set_data (G_OBJECT (priv->widget), "chat", g_object_ref (chat));
 309
 310         /* Add room GtkTextView. */
 311         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat),
 312                            GTK_WIDGET (EMPATHY_CHAT (chat)->view));
 313         gtk_widget_show (GTK_WIDGET (EMPATHY_CHAT (chat)->view));
 314
 315         /* Add input GtkTextView */
 316         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input),
 317                            EMPATHY_CHAT (chat)->input_text_view);
 318         gtk_widget_show (EMPATHY_CHAT (chat)->input_text_view);
 319
 320         /* Add nick name completion */
 321         priv->completion = g_completion_new (NULL);
 322         g_completion_set_compare (priv->completion,
 323                                   group_chat_contacts_completion_func);
 324
 325         /* Set widget focus order */
 326         list = g_list_append (NULL, priv->scrolled_window_input);
 327         gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list);
 328         g_list_free (list);
 329
 330         list = g_list_append (NULL, priv->vbox_left);
 331         list = g_list_append (list, priv->scrolled_window_contacts);
 332         gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list);
 333         g_list_free (list);
 334
 335         list = g_list_append (NULL, priv->hpaned);
 336         list = g_list_append (list, priv->hbox_topic);
 337         gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list);
 338         g_list_free (list);
 339 }
 340
 341 static void
 342 group_chat_widget_destroy_cb (GtkWidget       *widget,
 343                               EmpathyGroupChat *chat)
 344 {
 345         empathy_debug (DEBUG_DOMAIN, "Destroyed");
 346
 347         g_object_unref (chat);
 348 }
 349
 350 static void
 351 group_chat_contact_added_cb (EmpathyTpChatroom *tp_chat,
 352                              EmpathyContact     *contact,
 353                              EmpathyGroupChat   *chat)
 354 {
 355         EmpathyGroupChatPriv *priv;
 356         gchar               *str;
 357
 358         priv = GET_PRIV (chat);
 359
 360         str = g_strdup_printf (_("%s has joined the room"),
 361                                empathy_contact_get_name (contact));
 362         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
 363         g_free (str);
 364 }
 365
 366 static void
 367 group_chat_contact_removed_cb (EmpathyTpChatroom *tp_chat,
 368                                EmpathyContact     *contact,
 369                                EmpathyGroupChat   *chat)
 370 {
 371         EmpathyGroupChatPriv *priv;
 372         gchar               *str;
 373
 374         priv = GET_PRIV (chat);
 375
 376         str = g_strdup_printf (_("%s has left the room"),
 377                                empathy_contact_get_name (contact));
 378         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
 379         g_free (str);
 380 }
 381
 382 static void
 383 group_chat_topic_entry_activate_cb (GtkWidget *entry,
 384                                     GtkDialog *dialog)
 385 {
 386         gtk_dialog_response (dialog, GTK_RESPONSE_OK);
 387 }
 388
 389 static void
 390 group_chat_topic_response_cb (GtkWidget       *dialog,
 391                               gint             response,
 392                               EmpathyGroupChat *chat)
 393 {
 394         if (response == GTK_RESPONSE_OK) {
 395                 GtkWidget   *entry;
 396                 const gchar *topic;
 397
 398                 entry = g_object_get_data (G_OBJECT (dialog), "entry");
 399                 topic = gtk_entry_get_text (GTK_ENTRY (entry));
 400
 401                 if (!G_STR_EMPTY (topic)) {
 402                         EmpathyGroupChatPriv *priv;
 403
 404                         priv = GET_PRIV (chat);
 405
 406                         empathy_tp_chatroom_set_topic (priv->tp_chat, topic);
 407                 }
 408         }
 409
 410         gtk_widget_destroy (dialog);
 411 }
 412
 413 static const gchar *
 414 group_chat_get_name (EmpathyChat *chat)
 415 {
 416         EmpathyGroupChat     *group_chat;
 417         EmpathyGroupChatPriv *priv;
 418
 419         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), NULL);
 420
 421         group_chat = EMPATHY_GROUP_CHAT (chat);
 422         priv = GET_PRIV (group_chat);
 423
 424         if (!priv->name) {
 425                 const gchar *id;
 426                 const gchar *server;
 427
 428                 id = empathy_chat_get_id (chat);
 429                 server = strstr (id, "@");
 430
 431                 if (server) {
 432                         priv->name = g_strndup (id, server - id);
 433                 } else {
 434                         priv->name = g_strdup (id);
 435                 }
 436         }
 437
 438         return priv->name;
 439 }
 440
 441 static gchar *
 442 group_chat_get_tooltip (EmpathyChat *chat)
 443 {
 444         EmpathyGroupChat     *group_chat;
 445         EmpathyGroupChatPriv *priv;
 446
 447         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), NULL);
 448
 449         group_chat = EMPATHY_GROUP_CHAT (chat);
 450         priv = GET_PRIV (group_chat);
 451
 452         if (priv->topic) {
 453                 gchar *topic, *tmp;
 454
 455                 topic = g_strdup_printf (_("Topic: %s"), priv->topic);
 456                 tmp = g_strdup_printf ("%s\n%s", priv->name, topic);
 457                 g_free (topic);
 458
 459                 return tmp;
 460         }
 461
 462         return g_strdup (priv->name);
 463 }
 464
 465 static const gchar *
 466 group_chat_get_status_icon_name (EmpathyChat *chat)
 467 {
 468         return EMPATHY_IMAGE_GROUP_MESSAGE;
 469 }
 470
 471 static GtkWidget *
 472 group_chat_get_widget (EmpathyChat *chat)
 473 {
 474         EmpathyGroupChat     *group_chat;
 475         EmpathyGroupChatPriv *priv;
 476
 477         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), NULL);
 478
 479         group_chat = EMPATHY_GROUP_CHAT (chat);
 480         priv = GET_PRIV (group_chat);
 481
 482         return priv->widget;
 483 }
 484
 485 static gboolean
 486 group_chat_is_group_chat (EmpathyChat *chat)
 487 {
 488         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), FALSE);
 489
 490         return TRUE;
 491 }
 492
 493 static void
 494 group_chat_set_tp_chat (EmpathyChat    *chat,
 495                         EmpathyTpChat *tp_chat)
 496 {
 497         EmpathyGroupChat     *group_chat;
 498         EmpathyGroupChatPriv *priv;
 499
 500         g_return_if_fail (EMPATHY_IS_GROUP_CHAT (chat));
 501
 502         group_chat = EMPATHY_GROUP_CHAT (chat);
 503         priv = GET_PRIV (group_chat);
 504
 505         /* Free all resources related to tp_chat */
 506         if (priv->tp_chat) {
 507                 g_object_unref (priv->tp_chat);
 508                 priv->tp_chat = NULL;
 509         }
 510         if (priv->view) {
 511                 gtk_widget_destroy (GTK_WIDGET (priv->view));
 512                 g_object_unref (priv->store);
 513         }
 514         g_free (priv->name);
 515         g_free (priv->topic);
 516         priv->name = NULL;
 517         priv->topic = NULL;
 518
 519         if (!tp_chat) {
 520                 /* We are no more connected */
 521                 gtk_widget_set_sensitive (priv->hbox_topic, FALSE);
 522                 gtk_widget_set_sensitive (priv->scrolled_window_contacts, FALSE);
 523                 return;
 524         }
 525
 526         /* We are connected */
 527         gtk_widget_set_sensitive (priv->hbox_topic, TRUE);
 528         gtk_widget_set_sensitive (priv->scrolled_window_contacts, TRUE);
 529
 530         priv->tp_chat = g_object_ref (tp_chat);
 531
 532         /* FIXME: Ask the user before accepting */
 533         empathy_tp_chatroom_accept_invitation (priv->tp_chat);
 534
 535         /* Create contact list */
 536         priv->store = empathy_contact_list_store_new (EMPATHY_CONTACT_LIST (priv->tp_chat));
 537         priv->view = empathy_contact_list_view_new (priv->store);
 538         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_contacts),
 539                            GTK_WIDGET (priv->view));
 540         gtk_widget_show (GTK_WIDGET (priv->view));
 541
 542         /* Connect signals */
 543         g_signal_connect (priv->tp_chat, "contact-added",
 544                           G_CALLBACK (group_chat_contact_added_cb),
 545                           chat);
 546         g_signal_connect (priv->tp_chat, "contact-removed",
 547                           G_CALLBACK (group_chat_contact_removed_cb),
 548                           chat);
 549         g_signal_connect (priv->tp_chat, "notify::subject",
 550                           G_CALLBACK (group_chat_subject_notify_cb),
 551                           chat);
 552         g_signal_connect (priv->tp_chat, "notify::name",
 553                           G_CALLBACK (group_chat_name_notify_cb),
 554                           chat);
 555 }
 556
 557 static void
 558 group_chat_subject_notify_cb (EmpathyTpChat   *tp_chat,
 559                               GParamSpec      *param,
 560                               EmpathyGroupChat *chat)
 561 {
 562         EmpathyGroupChatPriv *priv;
 563         gchar               *str;
 564
 565         priv = GET_PRIV (chat);
 566
 567         g_free (priv->topic);
 568
 569         g_object_get (priv->tp_chat, "subject", &priv->topic, NULL);
 570         gtk_label_set_text (GTK_LABEL (priv->label_topic), priv->topic);
 571
 572         str = g_strdup_printf (_("Topic set to: %s"), priv->topic);
 573         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
 574         g_free (str);
 575 }
 576
 577 static void
 578 group_chat_name_notify_cb (EmpathyTpChat   *tp_chat,
 579                            GParamSpec      *param,
 580                            EmpathyGroupChat *chat)
 581 {
 582         EmpathyGroupChatPriv *priv;
 583
 584         priv = GET_PRIV (chat);
 585
 586         g_free (priv->name);
 587         g_object_get (priv->tp_chat, "name", &priv->name, NULL);
 588 }
 589
 590 #if 0
 591 static gboolean
 592 group_chat_key_press_event (GtkWidget       *widget,
 593                             GdkEventKey     *event,
 594                             EmpathyGroupChat *chat)
 595 {
 596         EmpathyGroupChatPriv *priv;
 597         GtkAdjustment       *adj;
 598         gdouble              val;
 599         GtkTextBuffer       *buffer;
 600         GtkTextIter          start, current;
 601         gchar               *nick, *completed;
 602         gint                 len;
 603         GList               *list, *l, *completed_list;
 604         gboolean             is_start_of_buffer;
 605
 606         priv = GET_PRIV (chat);
 607
 608         if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 609             (event->state & GDK_SHIFT_MASK) != GDK_SHIFT_MASK &&
 610             event->keyval == GDK_Tab) {
 611                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (EMPATHY_CHAT (chat)->input_text_view));
 612                 gtk_text_buffer_get_iter_at_mark (buffer, &current, gtk_text_buffer_get_insert (buffer));
 613
 614                 /* Get the start of the nick to complete. */
 615                 gtk_text_buffer_get_iter_at_mark (buffer, &start, gtk_text_buffer_get_insert (buffer));
 616                 gtk_text_iter_backward_word_start (&start);
 617                 is_start_of_buffer = gtk_text_iter_is_start (&start);
 618
 619                 nick = gtk_text_buffer_get_text (buffer, &start, &current, FALSE);
 620
 621                 g_completion_clear_items (priv->completion);
 622
 623                 len = strlen (nick);
 624
 625                 list = group_chat_get_nick_list (chat);
 626
 627                 g_completion_add_items (priv->completion, list);
 628
 629                 completed_list = g_completion_complete (priv->completion,
 630                                                         nick,
 631                                                         &completed);
 632
 633                 g_free (nick);
 634
 635                 if (completed) {
 636                         int       len;
 637                         gchar    *text;
 638
 639                         gtk_text_buffer_delete (buffer, &start, &current);
 640
 641                         len = g_list_length (completed_list);
 642
 643                         if (len == 1) {
 644                                 /* If we only have one hit, use that text
 645                                  * instead of the text in completed since the
 646                                  * completed text will use the typed string
 647                                  * which might be cased all wrong.
 648                                  * Fixes #120876
 649                                  * */
 650                                 text = (gchar *) completed_list->data;
 651                         } else {
 652                                 text = completed;
 653                         }
 654
 655                         gtk_text_buffer_insert_at_cursor (buffer, text, strlen (text));
 656
 657                         if (len == 1) {
 658                                 if (is_start_of_buffer) {
 659                                         gtk_text_buffer_insert_at_cursor (buffer, ", ", 2);
 660                                 }
 661                         }
 662
 663                         g_free (completed);
 664                 }
 665
 666                 g_completion_clear_items (priv->completion);
 667
 668                 for (l = list; l; l = l->next) {
 669                         g_free (l->data);
 670                 }
 671
 672                 g_list_free (list);
 673
 674                 return TRUE;
 675         }
 676
 677         return FALSE;
 678 }
 679 #endif
 680
 681 static gint
 682 group_chat_contacts_completion_func (const gchar *s1,
 683                                      const gchar *s2,
 684                                      gsize        n)
 685 {
 686         gchar *tmp, *nick1, *nick2;
 687         gint   ret;
 688
 689         tmp = g_utf8_normalize (s1, -1, G_NORMALIZE_DEFAULT);
 690         nick1 = g_utf8_casefold (tmp, -1);
 691         g_free (tmp);
 692
 693         tmp = g_utf8_normalize (s2, -1, G_NORMALIZE_DEFAULT);
 694         nick2 = g_utf8_casefold (tmp, -1);
 695         g_free (tmp);
 696
 697         ret = strncmp (nick1, nick2, n);
 698
 699         g_free (nick1);
 700         g_free (nick2);
 701
 702         return ret;
 703 }
 704