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) 2007-2008 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 <telepathy-glib/util.h>
  37
  38 #include <libempathy/empathy-tp-chat.h>
  39 #include <libempathy/empathy-tp-chatroom.h>
  40 #include <libempathy/empathy-contact.h>
  41 #include <libempathy/empathy-utils.h>
  42 #include <libempathy/empathy-debug.h>
  43
  44 #include "empathy-group-chat.h"
  45 #include "empathy-chat.h"
  46 #include "empathy-chat-view.h"
  47 #include "empathy-contact-list-store.h"
  48 #include "empathy-contact-list-view.h"
  49 //#include "empathy-chat-invite.h"
  50 //#include "empathy-sound.h"
  51 #include "empathy-images.h"
  52 #include "empathy-ui-utils.h"
  53 #include "empathy-conf.h"
  54 #include "empathy-preferences.h"
  55
  56 #define DEBUG_DOMAIN "GroupChat"
  57
  58 #define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EMPATHY_TYPE_GROUP_CHAT, EmpathyGroupChatPriv))
  59
  60 struct _EmpathyGroupChatPriv {
  61         EmpathyContactListStore *store;
  62         EmpathyContactListView  *view;
  63         EmpathyTpChatroom      *tp_chat;
  64
  65         GtkWidget              *widget;
  66         GtkWidget              *hpaned;
  67         GtkWidget              *vbox_left;
  68         GtkWidget              *scrolled_window_chat;
  69         GtkWidget              *scrolled_window_input;
  70         GtkWidget              *scrolled_window_contacts;
  71         GtkWidget              *hbox_topic;
  72         GtkWidget              *label_topic;
  73
  74         gchar                  *topic;
  75         gchar                  *name;
  76         GCompletion            *completion;
  77
  78         gint                    contacts_width;
  79         gboolean                contacts_visible;
  80 };
  81
  82 static void          group_chat_finalize                 (GObject           *object);
  83 static void          group_chat_create_ui                (EmpathyGroupChat  *chat);
  84 static void          group_chat_widget_destroy_cb        (GtkWidget         *widget,
  85                                                           EmpathyGroupChat  *chat);
  86 static void          group_chat_members_changed_cb       (EmpathyTpChatroom *tp_chat,
  87                                                           EmpathyContact    *contact,
  88                                                           EmpathyContact    *actor,
  89                                                           guint              reason,
  90                                                           gchar             *message,
  91                                                           gboolean           is_member,
  92                                                           EmpathyGroupChat  *chat);
  93 static void          group_chat_topic_entry_activate_cb  (GtkWidget         *entry,
  94                                                           GtkDialog         *dialog);
  95 static void          group_chat_topic_response_cb        (GtkWidget         *dialog,
  96                                                           gint               response,
  97                                                           EmpathyGroupChat  *chat);
  98 static const gchar * group_chat_get_name                 (EmpathyChat       *chat);
  99 static gchar *       group_chat_get_tooltip              (EmpathyChat       *chat);
 100 static const gchar * group_chat_get_status_icon_name     (EmpathyChat       *chat);
 101 static GtkWidget *   group_chat_get_widget               (EmpathyChat       *chat);
 102 static gboolean      group_chat_is_group_chat            (EmpathyChat       *chat);
 103 static void          group_chat_set_tp_chat              (EmpathyChat       *chat,
 104                                                           EmpathyTpChat     *tp_chat);
 105 static gboolean      group_chat_key_press_event          (EmpathyChat       *chat,
 106                                                           GdkEventKey       *event);
 107 static gint          group_chat_contacts_completion_func (const gchar       *s1,
 108                                                           const gchar       *s2,
 109                                                           gsize              n);
 110
 111 G_DEFINE_TYPE (EmpathyGroupChat, empathy_group_chat, EMPATHY_TYPE_CHAT)
 112
 113 static void
 114 empathy_group_chat_class_init (EmpathyGroupChatClass *klass)
 115 {
 116         GObjectClass    *object_class;
 117         EmpathyChatClass *chat_class;
 118
 119         object_class = G_OBJECT_CLASS (klass);
 120         chat_class = EMPATHY_CHAT_CLASS (klass);
 121
 122         object_class->finalize           = group_chat_finalize;
 123
 124         chat_class->get_name             = group_chat_get_name;
 125         chat_class->get_tooltip          = group_chat_get_tooltip;
 126         chat_class->get_status_icon_name = group_chat_get_status_icon_name;
 127         chat_class->get_widget           = group_chat_get_widget;
 128         chat_class->is_group_chat        = group_chat_is_group_chat;
 129         chat_class->set_tp_chat          = group_chat_set_tp_chat;
 130         chat_class->key_press_event      = group_chat_key_press_event;
 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         if (priv->store) {
 165                 g_object_unref (priv->store);
 166         }
 167         if (priv->tp_chat) {
 168                 g_object_unref (priv->tp_chat);
 169         }
 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 (EmpathyTpChatroom *tp_chat)
 177 {
 178         EmpathyGroupChat *chat;
 179
 180         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (tp_chat), NULL);
 181
 182         chat = g_object_new (EMPATHY_TYPE_GROUP_CHAT,
 183                              "tp-chat", tp_chat,
 184                              NULL);
 185
 186         return chat;
 187 }
 188
 189 gboolean
 190 empathy_group_chat_get_show_contacts (EmpathyGroupChat *chat)
 191 {
 192         EmpathyGroupChat     *group_chat;
 193         EmpathyGroupChatPriv *priv;
 194
 195         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), FALSE);
 196
 197         group_chat = EMPATHY_GROUP_CHAT (chat);
 198         priv = GET_PRIV (group_chat);
 199
 200         return priv->contacts_visible;
 201 }
 202
 203 void
 204 empathy_group_chat_set_show_contacts (EmpathyGroupChat *chat,
 205                                      gboolean         show)
 206 {
 207         EmpathyGroupChat     *group_chat;
 208         EmpathyGroupChatPriv *priv;
 209
 210         g_return_if_fail (EMPATHY_IS_GROUP_CHAT (chat));
 211
 212         group_chat = EMPATHY_GROUP_CHAT (chat);
 213         priv = GET_PRIV (group_chat);
 214
 215         priv->contacts_visible = show;
 216
 217         if (show) {
 218                 gtk_widget_show (priv->scrolled_window_contacts);
 219                 gtk_paned_set_position (GTK_PANED (priv->hpaned),
 220                                         priv->contacts_width);
 221         } else {
 222                 priv->contacts_width = gtk_paned_get_position (GTK_PANED (priv->hpaned));
 223                 gtk_widget_hide (priv->scrolled_window_contacts);
 224         }
 225 }
 226
 227 void
 228 empathy_group_chat_set_topic (EmpathyGroupChat *chat)
 229 {
 230         EmpathyGroupChatPriv *priv;
 231         EmpathyChatWindow    *chat_window;
 232         GtkWidget           *chat_dialog;
 233         GtkWidget           *dialog;
 234         GtkWidget           *entry;
 235         GtkWidget           *hbox;
 236         const gchar         *topic;
 237
 238         g_return_if_fail (EMPATHY_IS_GROUP_CHAT (chat));
 239
 240         priv = GET_PRIV (chat);
 241
 242         chat_window = empathy_chat_get_window (EMPATHY_CHAT (chat));
 243         chat_dialog = empathy_chat_window_get_dialog (chat_window);
 244
 245         dialog = gtk_message_dialog_new (GTK_WINDOW (chat_dialog),
 246                                          0,
 247                                          GTK_MESSAGE_QUESTION,
 248                                          GTK_BUTTONS_OK_CANCEL,
 249                                          _("Enter the new topic you want to set for this room:"));
 250
 251         topic = gtk_label_get_text (GTK_LABEL (priv->label_topic));
 252
 253         hbox = gtk_hbox_new (FALSE, 0);
 254         gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox),
 255                             hbox, FALSE, TRUE, 4);
 256
 257         entry = gtk_entry_new ();
 258         gtk_entry_set_text (GTK_ENTRY (entry), topic);
 259         gtk_editable_select_region (GTK_EDITABLE (entry), 0, -1);
 260
 261         gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 4);
 262
 263         g_object_set (GTK_MESSAGE_DIALOG (dialog)->label, "use-markup", TRUE, NULL);
 264         g_object_set_data (G_OBJECT (dialog), "entry", entry);
 265
 266         g_signal_connect (entry, "activate",
 267                           G_CALLBACK (group_chat_topic_entry_activate_cb),
 268                           dialog);
 269         g_signal_connect (dialog, "response",
 270                           G_CALLBACK (group_chat_topic_response_cb),
 271                           chat);
 272
 273         gtk_widget_show_all (dialog);
 274 }
 275
 276 static void
 277 group_chat_create_ui (EmpathyGroupChat *chat)
 278 {
 279         EmpathyGroupChatPriv *priv;
 280         GladeXML            *glade;
 281         GList               *list = NULL;
 282
 283         priv = GET_PRIV (chat);
 284
 285         glade = empathy_glade_get_file ("empathy-group-chat.glade",
 286                                        "group_chat_widget",
 287                                        NULL,
 288                                        "group_chat_widget", &priv->widget,
 289                                        "hpaned", &priv->hpaned,
 290                                        "vbox_left", &priv->vbox_left,
 291                                        "scrolled_window_chat", &priv->scrolled_window_chat,
 292                                        "scrolled_window_input", &priv->scrolled_window_input,
 293                                        "hbox_topic", &priv->hbox_topic,
 294                                        "label_topic", &priv->label_topic,
 295                                        "scrolled_window_contacts", &priv->scrolled_window_contacts,
 296                                        NULL);
 297
 298         empathy_glade_connect (glade,
 299                               chat,
 300                               "group_chat_widget", "destroy", group_chat_widget_destroy_cb,
 301                               NULL);
 302
 303         g_object_unref (glade);
 304
 305         g_object_set_data (G_OBJECT (priv->widget), "chat", g_object_ref (chat));
 306
 307         /* Add room GtkTextView. */
 308         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat),
 309                            GTK_WIDGET (EMPATHY_CHAT (chat)->view));
 310         gtk_widget_show (GTK_WIDGET (EMPATHY_CHAT (chat)->view));
 311
 312         /* Add input GtkTextView */
 313         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input),
 314                            EMPATHY_CHAT (chat)->input_text_view);
 315         gtk_widget_show (EMPATHY_CHAT (chat)->input_text_view);
 316
 317         /* Add nick name completion */
 318         priv->completion = g_completion_new ((GCompletionFunc) empathy_contact_get_name);
 319         g_completion_set_compare (priv->completion,
 320                                   group_chat_contacts_completion_func);
 321
 322         /* Set widget focus order */
 323         list = g_list_append (NULL, priv->scrolled_window_input);
 324         gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list);
 325         g_list_free (list);
 326
 327         list = g_list_append (NULL, priv->vbox_left);
 328         list = g_list_append (list, priv->scrolled_window_contacts);
 329         gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list);
 330         g_list_free (list);
 331
 332         list = g_list_append (NULL, priv->hpaned);
 333         list = g_list_append (list, priv->hbox_topic);
 334         gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list);
 335         g_list_free (list);
 336 }
 337
 338 static void
 339 group_chat_widget_destroy_cb (GtkWidget       *widget,
 340                               EmpathyGroupChat *chat)
 341 {
 342         empathy_debug (DEBUG_DOMAIN, "Destroyed");
 343
 344         g_object_unref (chat);
 345 }
 346
 347 static void
 348 group_chat_members_changed_cb (EmpathyTpChatroom *tp_chat,
 349                                EmpathyContact     *contact,
 350                                EmpathyContact     *actor,
 351                                guint               reason,
 352                                gchar              *message,
 353                                gboolean            is_member,
 354                                EmpathyGroupChat   *chat)
 355 {
 356         if (!EMPATHY_CHAT (chat)->block_events) {
 357                 gchar *str;
 358                 if (is_member) {
 359                         str = g_strdup_printf (_("%s has joined the room"),
 360                                                empathy_contact_get_name (contact));
 361                 } else {
 362                         str = g_strdup_printf (_("%s has left the room"),
 363                                                empathy_contact_get_name (contact));
 364                 }
 365                 empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
 366                 g_free (str);
 367         }
 368 }
 369
 370 static void
 371 group_chat_topic_entry_activate_cb (GtkWidget *entry,
 372                                     GtkDialog *dialog)
 373 {
 374         gtk_dialog_response (dialog, GTK_RESPONSE_OK);
 375 }
 376
 377 static void
 378 group_chat_topic_response_cb (GtkWidget       *dialog,
 379                               gint             response,
 380                               EmpathyGroupChat *chat)
 381 {
 382         if (response == GTK_RESPONSE_OK) {
 383                 GtkWidget   *entry;
 384                 const gchar *topic;
 385
 386                 entry = g_object_get_data (G_OBJECT (dialog), "entry");
 387                 topic = gtk_entry_get_text (GTK_ENTRY (entry));
 388
 389                 if (!G_STR_EMPTY (topic)) {
 390                         EmpathyGroupChatPriv *priv;
 391                         GValue                value = {0, };
 392
 393                         priv = GET_PRIV (chat);
 394
 395                         g_value_init (&value, G_TYPE_STRING);
 396                         g_value_set_string (&value, topic);
 397                         empathy_tp_chat_set_property (EMPATHY_TP_CHAT (priv->tp_chat),
 398                                                       "subject", &value);
 399                         g_value_unset (&value);
 400                 }
 401         }
 402
 403         gtk_widget_destroy (dialog);
 404 }
 405
 406 static const gchar *
 407 group_chat_get_name (EmpathyChat *chat)
 408 {
 409         EmpathyGroupChat     *group_chat;
 410         EmpathyGroupChatPriv *priv;
 411
 412         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), NULL);
 413
 414         group_chat = EMPATHY_GROUP_CHAT (chat);
 415         priv = GET_PRIV (group_chat);
 416
 417         if (!priv->name) {
 418                 const gchar *id;
 419                 const gchar *server;
 420
 421                 id = empathy_chat_get_id (chat);
 422                 server = strstr (id, "@");
 423
 424                 if (server) {
 425                         priv->name = g_strndup (id, server - id);
 426                 } else {
 427                         priv->name = g_strdup (id);
 428                 }
 429         }
 430
 431         return priv->name;
 432 }
 433
 434 static gchar *
 435 group_chat_get_tooltip (EmpathyChat *chat)
 436 {
 437         EmpathyGroupChat     *group_chat;
 438         EmpathyGroupChatPriv *priv;
 439
 440         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), NULL);
 441
 442         group_chat = EMPATHY_GROUP_CHAT (chat);
 443         priv = GET_PRIV (group_chat);
 444
 445         if (priv->topic) {
 446                 gchar *topic, *tmp;
 447
 448                 topic = g_strdup_printf (_("Topic: %s"), priv->topic);
 449                 tmp = g_strdup_printf ("%s\n%s", priv->name, topic);
 450                 g_free (topic);
 451
 452                 return tmp;
 453         }
 454
 455         return g_strdup (priv->name);
 456 }
 457
 458 static const gchar *
 459 group_chat_get_status_icon_name (EmpathyChat *chat)
 460 {
 461         return EMPATHY_IMAGE_GROUP_MESSAGE;
 462 }
 463
 464 static GtkWidget *
 465 group_chat_get_widget (EmpathyChat *chat)
 466 {
 467         EmpathyGroupChat     *group_chat;
 468         EmpathyGroupChatPriv *priv;
 469
 470         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), NULL);
 471
 472         group_chat = EMPATHY_GROUP_CHAT (chat);
 473         priv = GET_PRIV (group_chat);
 474
 475         return priv->widget;
 476 }
 477
 478 static gboolean
 479 group_chat_is_group_chat (EmpathyChat *chat)
 480 {
 481         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), FALSE);
 482
 483         return TRUE;
 484 }
 485
 486 static void
 487 group_chat_property_changed_cb (EmpathyTpChat    *tp_chat,
 488                                 gchar            *name,
 489                                 GValue           *value,
 490                                 EmpathyGroupChat *chat)
 491 {
 492         EmpathyGroupChatPriv *priv;
 493         const gchar          *str = NULL;
 494
 495         priv = GET_PRIV (chat);
 496
 497         /* FIXME: this is ugly, should use properties on EmpathyChat obj */
 498
 499         if (!tp_strdiff (name, "name")) {
 500                 str = g_value_get_string (value);
 501                 g_free (priv->name);
 502                 priv->name = g_strdup (str);
 503                 return;
 504         }
 505
 506         if (tp_strdiff (name, "subject")) {
 507                 return;
 508         }
 509
 510         str = g_value_get_string (value);
 511         if (!tp_strdiff (priv->topic, str)) {
 512                 return;
 513         }
 514
 515         g_free (priv->topic);
 516         priv->topic = g_strdup (str);
 517         gtk_label_set_text (GTK_LABEL (priv->label_topic), priv->topic);
 518
 519         if (!EMPATHY_CHAT (chat)->block_events) {
 520                 gchar *string;
 521
 522                 if (!G_STR_EMPTY (priv->topic)) {
 523                         string = g_strdup_printf (_("Topic set to: %s"), priv->topic);
 524                 } else {
 525                         string = g_strdup (_("No topic defined"));
 526                 }
 527                 empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, string);
 528                 g_free (string);
 529         }
 530 }
 531
 532 static void
 533 group_chat_set_tp_chat (EmpathyChat    *chat,
 534                         EmpathyTpChat *tp_chat)
 535 {
 536         EmpathyGroupChat     *group_chat;
 537         EmpathyGroupChatPriv *priv;
 538
 539         g_return_if_fail (EMPATHY_IS_GROUP_CHAT (chat));
 540
 541         group_chat = EMPATHY_GROUP_CHAT (chat);
 542         priv = GET_PRIV (group_chat);
 543
 544         /* Free all resources related to tp_chat */
 545         if (priv->tp_chat) {
 546                 g_object_unref (priv->tp_chat);
 547                 priv->tp_chat = NULL;
 548         }
 549         if (priv->view) {
 550                 gtk_widget_destroy (GTK_WIDGET (priv->view));
 551                 g_object_unref (priv->store);
 552         }
 553         g_free (priv->name);
 554         g_free (priv->topic);
 555         priv->name = NULL;
 556         priv->topic = NULL;
 557
 558         if (!tp_chat) {
 559                 /* We are no more connected */
 560                 gtk_widget_set_sensitive (priv->hbox_topic, FALSE);
 561                 gtk_widget_set_sensitive (priv->scrolled_window_contacts, FALSE);
 562                 return;
 563         }
 564
 565         /* We are connected */
 566         gtk_widget_set_sensitive (priv->hbox_topic, TRUE);
 567         gtk_widget_set_sensitive (priv->scrolled_window_contacts, TRUE);
 568
 569         priv->tp_chat = g_object_ref (tp_chat);
 570
 571         if (empathy_tp_chatroom_get_invitation (priv->tp_chat, NULL, NULL)) {
 572                 empathy_tp_chatroom_accept_invitation (priv->tp_chat);
 573         }
 574
 575         /* Create contact list */
 576         priv->store = empathy_contact_list_store_new (EMPATHY_CONTACT_LIST (priv->tp_chat));
 577         priv->view = empathy_contact_list_view_new (priv->store,
 578                                                     EMPATHY_CONTACT_LIST_FEATURE_CONTACT_CHAT |
 579                                                     EMPATHY_CONTACT_LIST_FEATURE_CONTACT_CALL |
 580                                                     EMPATHY_CONTACT_LIST_FEATURE_CONTACT_LOG |
 581                                                     EMPATHY_CONTACT_LIST_FEATURE_CONTACT_FT |
 582                                                     EMPATHY_CONTACT_LIST_FEATURE_CONTACT_INVITE |
 583                                                     EMPATHY_CONTACT_LIST_FEATURE_CONTACT_INFO);
 584
 585         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_contacts),
 586                            GTK_WIDGET (priv->view));
 587         gtk_widget_show (GTK_WIDGET (priv->view));
 588
 589         /* Connect signals */
 590         g_signal_connect (priv->tp_chat, "members-changed",
 591                           G_CALLBACK (group_chat_members_changed_cb),
 592                           chat);
 593         g_signal_connect (priv->tp_chat, "property-changed",
 594                           G_CALLBACK (group_chat_property_changed_cb),
 595                           chat);
 596 }
 597
 598 static gboolean
 599 group_chat_key_press_event (EmpathyChat *chat,
 600                             GdkEventKey *event)
 601 {
 602         EmpathyGroupChatPriv *priv = GET_PRIV (chat);
 603
 604         if (!(event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) &&
 605             event->keyval == GDK_Tab) {
 606                 GtkTextBuffer *buffer;
 607                 GtkTextIter    start, current;
 608                 gchar         *nick, *completed;
 609                 GList         *list, *completed_list;
 610                 gboolean       is_start_of_buffer;
 611
 612                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (EMPATHY_CHAT (chat)->input_text_view));
 613                 gtk_text_buffer_get_iter_at_mark (buffer, &current, gtk_text_buffer_get_insert (buffer));
 614
 615                 /* Get the start of the nick to complete. */
 616                 gtk_text_buffer_get_iter_at_mark (buffer, &start, gtk_text_buffer_get_insert (buffer));
 617                 gtk_text_iter_backward_word_start (&start);
 618                 is_start_of_buffer = gtk_text_iter_is_start (&start);
 619
 620                 list = empathy_contact_list_get_members (EMPATHY_CONTACT_LIST (priv->tp_chat));
 621                 g_completion_add_items (priv->completion, list);
 622
 623                 nick = gtk_text_buffer_get_text (buffer, &start, &current, FALSE);
 624                 completed_list = g_completion_complete (priv->completion,
 625                                                         nick,
 626                                                         &completed);
 627
 628                 g_free (nick);
 629
 630                 if (completed) {
 631                         guint        len;
 632                         const gchar *text;
 633                         gchar       *complete_char = NULL;
 634
 635                         gtk_text_buffer_delete (buffer, &start, &current);
 636
 637                         len = g_list_length (completed_list);
 638
 639                         if (len == 1) {
 640                                 /* If we only have one hit, use that text
 641                                  * instead of the text in completed since the
 642                                  * completed text will use the typed string
 643                                  * which might be cased all wrong.
 644                                  * Fixes #120876
 645                                  * */
 646                                 text = empathy_contact_get_name (completed_list->data);
 647                         } else {
 648                                 text = completed;
 649                         }
 650
 651                         gtk_text_buffer_insert_at_cursor (buffer, text, strlen (text));
 652
 653                         if (len == 1 && is_start_of_buffer &&
 654                             empathy_conf_get_string (empathy_conf_get (),
 655                                                      EMPATHY_PREFS_CHAT_NICK_COMPLETION_CHAR,
 656                                                      &complete_char) &&
 657                             complete_char != NULL) {
 658                                 gtk_text_buffer_insert_at_cursor (buffer,
 659                                                                   complete_char,
 660                                                                   strlen (complete_char));
 661                                 gtk_text_buffer_insert_at_cursor (buffer, " ", 1);
 662                                 g_free (complete_char);
 663                         }
 664
 665                         g_free (completed);
 666                 }
 667
 668                 g_completion_clear_items (priv->completion);
 669
 670                 g_list_foreach (list, (GFunc) g_object_unref, NULL);
 671                 g_list_free (list);
 672
 673                 return TRUE;
 674         }
 675
 676         return FALSE;
 677 }
 678
 679 static gint
 680 group_chat_contacts_completion_func (const gchar *s1,
 681                                      const gchar *s2,
 682                                      gsize        n)
 683 {
 684         gchar *tmp, *nick1, *nick2;
 685         gint   ret;
 686
 687         tmp = g_utf8_normalize (s1, -1, G_NORMALIZE_DEFAULT);
 688         nick1 = g_utf8_casefold (tmp, -1);
 689         g_free (tmp);
 690
 691         tmp = g_utf8_normalize (s2, -1, G_NORMALIZE_DEFAULT);
 692         nick2 = g_utf8_casefold (tmp, -1);
 693         g_free (tmp);
 694
 695         ret = strncmp (nick1, nick2, n);
 696
 697         g_free (nick1);
 698         g_free (nick2);
 699
 700         return ret;
 701 }
 702