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 void          group_chat_subject_notify_cb        (EmpathyTpChat     *tp_chat,
 106                                                           GParamSpec        *param,
 107                                                           EmpathyGroupChat  *chat);
 108 static void          group_chat_name_notify_cb           (EmpathyTpChat     *tp_chat,
 109                                                           GParamSpec        *param,
 110                                                           EmpathyGroupChat  *chat);
 111 static gboolean      group_chat_key_press_event          (EmpathyChat       *chat,
 112                                                           GdkEventKey       *event);
 113 static gint          group_chat_contacts_completion_func (const gchar       *s1,
 114                                                           const gchar       *s2,
 115                                                           gsize              n);
 116
 117 G_DEFINE_TYPE (EmpathyGroupChat, empathy_group_chat, EMPATHY_TYPE_CHAT)
 118
 119 static void
 120 empathy_group_chat_class_init (EmpathyGroupChatClass *klass)
 121 {
 122         GObjectClass    *object_class;
 123         EmpathyChatClass *chat_class;
 124
 125         object_class = G_OBJECT_CLASS (klass);
 126         chat_class = EMPATHY_CHAT_CLASS (klass);
 127
 128         object_class->finalize           = group_chat_finalize;
 129
 130         chat_class->get_name             = group_chat_get_name;
 131         chat_class->get_tooltip          = group_chat_get_tooltip;
 132         chat_class->get_status_icon_name = group_chat_get_status_icon_name;
 133         chat_class->get_widget           = group_chat_get_widget;
 134         chat_class->is_group_chat        = group_chat_is_group_chat;
 135         chat_class->set_tp_chat          = group_chat_set_tp_chat;
 136         chat_class->key_press_event      = group_chat_key_press_event;
 137
 138         g_type_class_add_private (object_class, sizeof (EmpathyGroupChatPriv));
 139 }
 140
 141 static void
 142 empathy_group_chat_init (EmpathyGroupChat *chat)
 143 {
 144         EmpathyGroupChatPriv *priv;
 145         EmpathyChatView      *chatview;
 146
 147         priv = GET_PRIV (chat);
 148
 149         priv->contacts_visible = TRUE;
 150
 151         chatview = EMPATHY_CHAT_VIEW (EMPATHY_CHAT (chat)->view);
 152         empathy_chat_view_set_is_group_chat (chatview, TRUE);
 153
 154         group_chat_create_ui (chat);
 155 }
 156
 157 static void
 158 group_chat_finalize (GObject *object)
 159 {
 160         EmpathyGroupChat     *chat;
 161         EmpathyGroupChatPriv *priv;
 162
 163         empathy_debug (DEBUG_DOMAIN, "Finalized:%p", object);
 164
 165         chat = EMPATHY_GROUP_CHAT (object);
 166         priv = GET_PRIV (chat);
 167
 168         g_free (priv->name);
 169         g_free (priv->topic);
 170         g_object_unref (priv->store);
 171         g_object_unref (priv->tp_chat);
 172         g_completion_free (priv->completion);
 173
 174         G_OBJECT_CLASS (empathy_group_chat_parent_class)->finalize (object);
 175 }
 176
 177 EmpathyGroupChat *
 178 empathy_group_chat_new (EmpathyTpChatroom *tp_chat)
 179 {
 180         EmpathyGroupChat *chat;
 181
 182         g_return_val_if_fail (EMPATHY_IS_TP_CHAT (tp_chat), NULL);
 183
 184         chat = g_object_new (EMPATHY_TYPE_GROUP_CHAT,
 185                              "tp-chat", tp_chat,
 186                              NULL);
 187
 188         return chat;
 189 }
 190
 191 gboolean
 192 empathy_group_chat_get_show_contacts (EmpathyGroupChat *chat)
 193 {
 194         EmpathyGroupChat     *group_chat;
 195         EmpathyGroupChatPriv *priv;
 196
 197         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), FALSE);
 198
 199         group_chat = EMPATHY_GROUP_CHAT (chat);
 200         priv = GET_PRIV (group_chat);
 201
 202         return priv->contacts_visible;
 203 }
 204
 205 void
 206 empathy_group_chat_set_show_contacts (EmpathyGroupChat *chat,
 207                                      gboolean         show)
 208 {
 209         EmpathyGroupChat     *group_chat;
 210         EmpathyGroupChatPriv *priv;
 211
 212         g_return_if_fail (EMPATHY_IS_GROUP_CHAT (chat));
 213
 214         group_chat = EMPATHY_GROUP_CHAT (chat);
 215         priv = GET_PRIV (group_chat);
 216
 217         priv->contacts_visible = show;
 218
 219         if (show) {
 220                 gtk_widget_show (priv->scrolled_window_contacts);
 221                 gtk_paned_set_position (GTK_PANED (priv->hpaned),
 222                                         priv->contacts_width);
 223         } else {
 224                 priv->contacts_width = gtk_paned_get_position (GTK_PANED (priv->hpaned));
 225                 gtk_widget_hide (priv->scrolled_window_contacts);
 226         }
 227 }
 228
 229 void
 230 empathy_group_chat_set_topic (EmpathyGroupChat *chat)
 231 {
 232         EmpathyGroupChatPriv *priv;
 233         EmpathyChatWindow    *chat_window;
 234         GtkWidget           *chat_dialog;
 235         GtkWidget           *dialog;
 236         GtkWidget           *entry;
 237         GtkWidget           *hbox;
 238         const gchar         *topic;
 239
 240         g_return_if_fail (EMPATHY_IS_GROUP_CHAT (chat));
 241
 242         priv = GET_PRIV (chat);
 243
 244         chat_window = empathy_chat_get_window (EMPATHY_CHAT (chat));
 245         chat_dialog = empathy_chat_window_get_dialog (chat_window);
 246
 247         dialog = gtk_message_dialog_new (GTK_WINDOW (chat_dialog),
 248                                          0,
 249                                          GTK_MESSAGE_QUESTION,
 250                                          GTK_BUTTONS_OK_CANCEL,
 251                                          _("Enter the new topic you want to set for this room:"));
 252
 253         topic = gtk_label_get_text (GTK_LABEL (priv->label_topic));
 254
 255         hbox = gtk_hbox_new (FALSE, 0);
 256         gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox),
 257                             hbox, FALSE, TRUE, 4);
 258
 259         entry = gtk_entry_new ();
 260         gtk_entry_set_text (GTK_ENTRY (entry), topic);
 261         gtk_editable_select_region (GTK_EDITABLE (entry), 0, -1);
 262
 263         gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 4);
 264
 265         g_object_set (GTK_MESSAGE_DIALOG (dialog)->label, "use-markup", TRUE, NULL);
 266         g_object_set_data (G_OBJECT (dialog), "entry", entry);
 267
 268         g_signal_connect (entry, "activate",
 269                           G_CALLBACK (group_chat_topic_entry_activate_cb),
 270                           dialog);
 271         g_signal_connect (dialog, "response",
 272                           G_CALLBACK (group_chat_topic_response_cb),
 273                           chat);
 274
 275         gtk_widget_show_all (dialog);
 276 }
 277
 278 static void
 279 group_chat_create_ui (EmpathyGroupChat *chat)
 280 {
 281         EmpathyGroupChatPriv *priv;
 282         GladeXML            *glade;
 283         GList               *list = NULL;
 284
 285         priv = GET_PRIV (chat);
 286
 287         glade = empathy_glade_get_file ("empathy-group-chat.glade",
 288                                        "group_chat_widget",
 289                                        NULL,
 290                                        "group_chat_widget", &priv->widget,
 291                                        "hpaned", &priv->hpaned,
 292                                        "vbox_left", &priv->vbox_left,
 293                                        "scrolled_window_chat", &priv->scrolled_window_chat,
 294                                        "scrolled_window_input", &priv->scrolled_window_input,
 295                                        "hbox_topic", &priv->hbox_topic,
 296                                        "label_topic", &priv->label_topic,
 297                                        "scrolled_window_contacts", &priv->scrolled_window_contacts,
 298                                        NULL);
 299
 300         empathy_glade_connect (glade,
 301                               chat,
 302                               "group_chat_widget", "destroy", group_chat_widget_destroy_cb,
 303                               NULL);
 304
 305         g_object_unref (glade);
 306
 307         g_object_set_data (G_OBJECT (priv->widget), "chat", g_object_ref (chat));
 308
 309         /* Add room GtkTextView. */
 310         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat),
 311                            GTK_WIDGET (EMPATHY_CHAT (chat)->view));
 312         gtk_widget_show (GTK_WIDGET (EMPATHY_CHAT (chat)->view));
 313
 314         /* Add input GtkTextView */
 315         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input),
 316                            EMPATHY_CHAT (chat)->input_text_view);
 317         gtk_widget_show (EMPATHY_CHAT (chat)->input_text_view);
 318
 319         /* Add nick name completion */
 320         priv->completion = g_completion_new ((GCompletionFunc) empathy_contact_get_name);
 321         g_completion_set_compare (priv->completion,
 322                                   group_chat_contacts_completion_func);
 323
 324         /* Set widget focus order */
 325         list = g_list_append (NULL, priv->scrolled_window_input);
 326         gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list);
 327         g_list_free (list);
 328
 329         list = g_list_append (NULL, priv->vbox_left);
 330         list = g_list_append (list, priv->scrolled_window_contacts);
 331         gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list);
 332         g_list_free (list);
 333
 334         list = g_list_append (NULL, priv->hpaned);
 335         list = g_list_append (list, priv->hbox_topic);
 336         gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list);
 337         g_list_free (list);
 338 }
 339
 340 static void
 341 group_chat_widget_destroy_cb (GtkWidget       *widget,
 342                               EmpathyGroupChat *chat)
 343 {
 344         empathy_debug (DEBUG_DOMAIN, "Destroyed");
 345
 346         g_object_unref (chat);
 347 }
 348
 349 static void
 350 group_chat_members_changed_cb (EmpathyTpChatroom *tp_chat,
 351                                EmpathyContact     *contact,
 352                                EmpathyContact     *actor,
 353                                guint               reason,
 354                                gchar              *message,
 355                                gboolean            is_member,
 356                                EmpathyGroupChat   *chat)
 357 {
 358         if (!EMPATHY_CHAT (chat)->block_events) {
 359                 gchar *str;
 360                 if (is_member) {
 361                         str = g_strdup_printf (_("%s has joined the room"),
 362                                                empathy_contact_get_name (contact));
 363                 } else {
 364                         str = g_strdup_printf (_("%s has left the room"),
 365                                                empathy_contact_get_name (contact));
 366                 }
 367                 empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
 368                 g_free (str);
 369         }
 370 }
 371
 372 static void
 373 group_chat_topic_entry_activate_cb (GtkWidget *entry,
 374                                     GtkDialog *dialog)
 375 {
 376         gtk_dialog_response (dialog, GTK_RESPONSE_OK);
 377 }
 378
 379 static void
 380 group_chat_topic_response_cb (GtkWidget       *dialog,
 381                               gint             response,
 382                               EmpathyGroupChat *chat)
 383 {
 384         if (response == GTK_RESPONSE_OK) {
 385                 GtkWidget   *entry;
 386                 const gchar *topic;
 387
 388                 entry = g_object_get_data (G_OBJECT (dialog), "entry");
 389                 topic = gtk_entry_get_text (GTK_ENTRY (entry));
 390
 391                 if (!G_STR_EMPTY (topic)) {
 392                         EmpathyGroupChatPriv *priv;
 393                         GValue                value = {0, };
 394
 395                         priv = GET_PRIV (chat);
 396
 397                         g_value_init (&value, G_TYPE_STRING);
 398                         g_value_set_string (&value, topic);
 399                         empathy_tp_chat_set_property (EMPATHY_TP_CHAT (priv->tp_chat),
 400                                                       &value);
 401                         g_value_unset (&value);
 402                 }
 403         }
 404
 405         gtk_widget_destroy (dialog);
 406 }
 407
 408 static const gchar *
 409 group_chat_get_name (EmpathyChat *chat)
 410 {
 411         EmpathyGroupChat     *group_chat;
 412         EmpathyGroupChatPriv *priv;
 413
 414         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), NULL);
 415
 416         group_chat = EMPATHY_GROUP_CHAT (chat);
 417         priv = GET_PRIV (group_chat);
 418
 419         if (!priv->name) {
 420                 const gchar *id;
 421                 const gchar *server;
 422
 423                 id = empathy_chat_get_id (chat);
 424                 server = strstr (id, "@");
 425
 426                 if (server) {
 427                         priv->name = g_strndup (id, server - id);
 428                 } else {
 429                         priv->name = g_strdup (id);
 430                 }
 431         }
 432
 433         return priv->name;
 434 }
 435
 436 static gchar *
 437 group_chat_get_tooltip (EmpathyChat *chat)
 438 {
 439         EmpathyGroupChat     *group_chat;
 440         EmpathyGroupChatPriv *priv;
 441
 442         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), NULL);
 443
 444         group_chat = EMPATHY_GROUP_CHAT (chat);
 445         priv = GET_PRIV (group_chat);
 446
 447         if (priv->topic) {
 448                 gchar *topic, *tmp;
 449
 450                 topic = g_strdup_printf (_("Topic: %s"), priv->topic);
 451                 tmp = g_strdup_printf ("%s\n%s", priv->name, topic);
 452                 g_free (topic);
 453
 454                 return tmp;
 455         }
 456
 457         return g_strdup (priv->name);
 458 }
 459
 460 static const gchar *
 461 group_chat_get_status_icon_name (EmpathyChat *chat)
 462 {
 463         return EMPATHY_IMAGE_GROUP_MESSAGE;
 464 }
 465
 466 static GtkWidget *
 467 group_chat_get_widget (EmpathyChat *chat)
 468 {
 469         EmpathyGroupChat     *group_chat;
 470         EmpathyGroupChatPriv *priv;
 471
 472         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), NULL);
 473
 474         group_chat = EMPATHY_GROUP_CHAT (chat);
 475         priv = GET_PRIV (group_chat);
 476
 477         return priv->widget;
 478 }
 479
 480 static gboolean
 481 group_chat_is_group_chat (EmpathyChat *chat)
 482 {
 483         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), FALSE);
 484
 485         return TRUE;
 486 }
 487
 488 static void
 489 group_chat_set_tp_chat (EmpathyChat    *chat,
 490                         EmpathyTpChat *tp_chat)
 491 {
 492         EmpathyGroupChat     *group_chat;
 493         EmpathyGroupChatPriv *priv;
 494
 495         g_return_if_fail (EMPATHY_IS_GROUP_CHAT (chat));
 496
 497         group_chat = EMPATHY_GROUP_CHAT (chat);
 498         priv = GET_PRIV (group_chat);
 499
 500         /* Free all resources related to tp_chat */
 501         if (priv->tp_chat) {
 502                 g_object_unref (priv->tp_chat);
 503                 priv->tp_chat = NULL;
 504         }
 505         if (priv->view) {
 506                 gtk_widget_destroy (GTK_WIDGET (priv->view));
 507                 g_object_unref (priv->store);
 508         }
 509         g_free (priv->name);
 510         g_free (priv->topic);
 511         priv->name = NULL;
 512         priv->topic = NULL;
 513
 514         if (!tp_chat) {
 515                 /* We are no more connected */
 516                 gtk_widget_set_sensitive (priv->hbox_topic, FALSE);
 517                 gtk_widget_set_sensitive (priv->scrolled_window_contacts, FALSE);
 518                 return;
 519         }
 520
 521         /* We are connected */
 522         gtk_widget_set_sensitive (priv->hbox_topic, TRUE);
 523         gtk_widget_set_sensitive (priv->scrolled_window_contacts, TRUE);
 524
 525         priv->tp_chat = g_object_ref (tp_chat);
 526
 527         if (empathy_tp_chatroom_get_invitation (priv->tp_chat, NULL, NULL)) {
 528                 empathy_tp_chatroom_accept_invitation (priv->tp_chat);
 529         }
 530
 531         /* Create contact list */
 532         priv->store = empathy_contact_list_store_new (EMPATHY_CONTACT_LIST (priv->tp_chat));
 533         priv->view = empathy_contact_list_view_new (priv->store,
 534                                                     EMPATHY_CONTACT_LIST_FEATURE_CONTACT_CHAT |
 535                                                     EMPATHY_CONTACT_LIST_FEATURE_CONTACT_CALL |
 536                                                     EMPATHY_CONTACT_LIST_FEATURE_CONTACT_LOG |
 537                                                     EMPATHY_CONTACT_LIST_FEATURE_CONTACT_FT |
 538                                                     EMPATHY_CONTACT_LIST_FEATURE_CONTACT_INVITE |
 539                                                     EMPATHY_CONTACT_LIST_FEATURE_CONTACT_INFO);
 540
 541         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_contacts),
 542                            GTK_WIDGET (priv->view));
 543         gtk_widget_show (GTK_WIDGET (priv->view));
 544
 545         /* Connect signals */
 546         g_signal_connect (priv->tp_chat, "members-changed",
 547                           G_CALLBACK (group_chat_members_changed_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 = NULL;
 564
 565         priv = GET_PRIV (chat);
 566
 567         g_object_get (priv->tp_chat, "subject", &str, NULL);
 568         if (!tp_strdiff (priv->topic, str)) {
 569                 g_free (str);
 570                 return;
 571         }
 572
 573         g_free (priv->topic);
 574         priv->topic = str;
 575         gtk_label_set_text (GTK_LABEL (priv->label_topic), priv->topic);
 576
 577         if (!EMPATHY_CHAT (chat)->block_events) {
 578                 if (!G_STR_EMPTY (priv->topic)) {
 579                         str = g_strdup_printf (_("Topic set to: %s"), priv->topic);
 580                 } else {
 581                         str = g_strdup (_("No topic defined"));
 582                 }
 583                 empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
 584                 g_free (str);
 585         }
 586 }
 587
 588 static void
 589 group_chat_name_notify_cb (EmpathyTpChat   *tp_chat,
 590                            GParamSpec      *param,
 591                            EmpathyGroupChat *chat)
 592 {
 593         EmpathyGroupChatPriv *priv;
 594
 595         priv = GET_PRIV (chat);
 596
 597         g_free (priv->name);
 598         g_object_get (priv->tp_chat, "name", &priv->name, NULL);
 599 }
 600
 601 static gboolean
 602 group_chat_key_press_event (EmpathyChat *chat,
 603                             GdkEventKey *event)
 604 {
 605         EmpathyGroupChatPriv *priv = GET_PRIV (chat);
 606
 607         if (!(event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) &&
 608             event->keyval == GDK_Tab) {
 609                 GtkTextBuffer *buffer;
 610                 GtkTextIter    start, current;
 611                 gchar         *nick, *completed;
 612                 GList         *list, *completed_list;
 613                 gboolean       is_start_of_buffer;
 614
 615                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (EMPATHY_CHAT (chat)->input_text_view));
 616                 gtk_text_buffer_get_iter_at_mark (buffer, &current, gtk_text_buffer_get_insert (buffer));
 617
 618                 /* Get the start of the nick to complete. */
 619                 gtk_text_buffer_get_iter_at_mark (buffer, &start, gtk_text_buffer_get_insert (buffer));
 620                 gtk_text_iter_backward_word_start (&start);
 621                 is_start_of_buffer = gtk_text_iter_is_start (&start);
 622
 623                 list = empathy_contact_list_get_members (EMPATHY_CONTACT_LIST (priv->tp_chat));
 624                 g_completion_add_items (priv->completion, list);
 625
 626                 nick = gtk_text_buffer_get_text (buffer, &start, &current, FALSE);
 627                 completed_list = g_completion_complete (priv->completion,
 628                                                         nick,
 629                                                         &completed);
 630
 631                 g_free (nick);
 632
 633                 if (completed) {
 634                         guint        len;
 635                         const gchar *text;
 636                         gchar       *complete_char = NULL;
 637
 638                         gtk_text_buffer_delete (buffer, &start, &current);
 639
 640                         len = g_list_length (completed_list);
 641
 642                         if (len == 1) {
 643                                 /* If we only have one hit, use that text
 644                                  * instead of the text in completed since the
 645                                  * completed text will use the typed string
 646                                  * which might be cased all wrong.
 647                                  * Fixes #120876
 648                                  * */
 649                                 text = empathy_contact_get_name (completed_list->data);
 650                         } else {
 651                                 text = completed;
 652                         }
 653
 654                         gtk_text_buffer_insert_at_cursor (buffer, text, strlen (text));
 655
 656                         if (len == 1 && is_start_of_buffer &&
 657                             empathy_conf_get_string (empathy_conf_get (),
 658                                                      EMPATHY_PREFS_CHAT_NICK_COMPLETION_CHAR,
 659                                                      &complete_char) &&
 660                             complete_char != NULL) {
 661                                 gtk_text_buffer_insert_at_cursor (buffer,
 662                                                                   complete_char,
 663                                                                   strlen (complete_char));
 664                                 gtk_text_buffer_insert_at_cursor (buffer, " ", 1);
 665                                 g_free (complete_char);
 666                         }
 667
 668                         g_free (completed);
 669                 }
 670
 671                 g_completion_clear_items (priv->completion);
 672
 673                 g_list_foreach (list, (GFunc) g_object_unref, NULL);
 674                 g_list_free (list);
 675
 676                 return TRUE;
 677         }
 678
 679         return FALSE;
 680 }
 681
 682 static gint
 683 group_chat_contacts_completion_func (const gchar *s1,
 684                                      const gchar *s2,
 685                                      gsize        n)
 686 {
 687         gchar *tmp, *nick1, *nick2;
 688         gint   ret;
 689
 690         tmp = g_utf8_normalize (s1, -1, G_NORMALIZE_DEFAULT);
 691         nick1 = g_utf8_casefold (tmp, -1);
 692         g_free (tmp);
 693
 694         tmp = g_utf8_normalize (s2, -1, G_NORMALIZE_DEFAULT);
 695         nick2 = g_utf8_casefold (tmp, -1);
 696         g_free (tmp);
 697
 698         ret = strncmp (nick1, nick2, n);
 699
 700         g_free (nick1);
 701         g_free (nick2);
 702
 703         return ret;
 704 }
 705