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_members_changed_cb       (EmpathyTpChatroom *tp_chat,
  82                                                           EmpathyContact    *contact,
  83                                                           EmpathyContact    *actor,
  84                                                           guint              reason,
  85                                                           gchar             *message,
  86                                                           gboolean           is_member,
  87                                                           EmpathyGroupChat  *chat);
  88 static void          group_chat_topic_entry_activate_cb  (GtkWidget         *entry,
  89                                                           GtkDialog         *dialog);
  90 static void          group_chat_topic_response_cb        (GtkWidget         *dialog,
  91                                                           gint               response,
  92                                                           EmpathyGroupChat  *chat);
  93 static const gchar * group_chat_get_name                 (EmpathyChat       *chat);
  94 static gchar *       group_chat_get_tooltip              (EmpathyChat       *chat);
  95 static const gchar * group_chat_get_status_icon_name     (EmpathyChat       *chat);
  96 static GtkWidget *   group_chat_get_widget               (EmpathyChat       *chat);
  97 static gboolean      group_chat_is_group_chat            (EmpathyChat       *chat);
  98 static void          group_chat_set_tp_chat              (EmpathyChat       *chat,
  99                                                           EmpathyTpChat     *tp_chat);
 100 static void          group_chat_subject_notify_cb        (EmpathyTpChat     *tp_chat,
 101                                                           GParamSpec        *param,
 102                                                           EmpathyGroupChat  *chat);
 103 static void          group_chat_name_notify_cb           (EmpathyTpChat     *tp_chat,
 104                                                           GParamSpec        *param,
 105                                                           EmpathyGroupChat  *chat);
 106 /*static gboolean      group_chat_key_press_event          (GtkWidget         *widget,
 107                                                           GdkEventKey       *event,
 108                                                           EmpathyGroupChat  *chat);*/
 109 static gint          group_chat_contacts_completion_func (const gchar       *s1,
 110                                                           const gchar       *s2,
 111                                                           gsize              n);
 112
 113 G_DEFINE_TYPE (EmpathyGroupChat, empathy_group_chat, EMPATHY_TYPE_CHAT)
 114
 115 static void
 116 empathy_group_chat_class_init (EmpathyGroupChatClass *klass)
 117 {
 118         GObjectClass    *object_class;
 119         EmpathyChatClass *chat_class;
 120
 121         object_class = G_OBJECT_CLASS (klass);
 122         chat_class = EMPATHY_CHAT_CLASS (klass);
 123
 124         object_class->finalize           = group_chat_finalize;
 125
 126         chat_class->get_name             = group_chat_get_name;
 127         chat_class->get_tooltip          = group_chat_get_tooltip;
 128         chat_class->get_status_icon_name = group_chat_get_status_icon_name;
 129         chat_class->get_widget           = group_chat_get_widget;
 130         chat_class->is_group_chat        = group_chat_is_group_chat;
 131         chat_class->set_tp_chat          = group_chat_set_tp_chat;
 132
 133         g_type_class_add_private (object_class, sizeof (EmpathyGroupChatPriv));
 134 }
 135
 136 static void
 137 empathy_group_chat_init (EmpathyGroupChat *chat)
 138 {
 139         EmpathyGroupChatPriv *priv;
 140         EmpathyChatView      *chatview;
 141
 142         priv = GET_PRIV (chat);
 143
 144         priv->contacts_visible = TRUE;
 145
 146         chatview = EMPATHY_CHAT_VIEW (EMPATHY_CHAT (chat)->view);
 147         empathy_chat_view_set_is_group_chat (chatview, TRUE);
 148
 149         group_chat_create_ui (chat);
 150 }
 151
 152 static void
 153 group_chat_finalize (GObject *object)
 154 {
 155         EmpathyGroupChat     *chat;
 156         EmpathyGroupChatPriv *priv;
 157
 158         empathy_debug (DEBUG_DOMAIN, "Finalized:%p", object);
 159
 160         chat = EMPATHY_GROUP_CHAT (object);
 161         priv = GET_PRIV (chat);
 162
 163         g_free (priv->name);
 164         g_free (priv->topic);
 165         g_object_unref (priv->store);
 166         g_object_unref (priv->tp_chat);
 167         g_completion_free (priv->completion);
 168
 169         G_OBJECT_CLASS (empathy_group_chat_parent_class)->finalize (object);
 170 }
 171
 172 EmpathyGroupChat *
 173 empathy_group_chat_new (McAccount *account,
 174                         TpChan    *tp_chan)
 175 {
 176         EmpathyGroupChat     *chat;
 177         EmpathyGroupChatPriv *priv;
 178
 179         g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
 180         g_return_val_if_fail (TELEPATHY_IS_CHAN (tp_chan), NULL);
 181
 182         chat = g_object_new (EMPATHY_TYPE_GROUP_CHAT, NULL);
 183
 184         priv = GET_PRIV (chat);
 185
 186         EMPATHY_CHAT (chat)->account = g_object_ref (account);
 187         priv->tp_chat = empathy_tp_chatroom_new (account, tp_chan);
 188         empathy_chat_set_tp_chat (EMPATHY_CHAT (chat), EMPATHY_TP_CHAT (priv->tp_chat));
 189
 190         return chat;
 191 }
 192
 193 gboolean
 194 empathy_group_chat_get_show_contacts (EmpathyGroupChat *chat)
 195 {
 196         EmpathyGroupChat     *group_chat;
 197         EmpathyGroupChatPriv *priv;
 198
 199         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), FALSE);
 200
 201         group_chat = EMPATHY_GROUP_CHAT (chat);
 202         priv = GET_PRIV (group_chat);
 203
 204         return priv->contacts_visible;
 205 }
 206
 207 void
 208 empathy_group_chat_set_show_contacts (EmpathyGroupChat *chat,
 209                                      gboolean         show)
 210 {
 211         EmpathyGroupChat     *group_chat;
 212         EmpathyGroupChatPriv *priv;
 213
 214         g_return_if_fail (EMPATHY_IS_GROUP_CHAT (chat));
 215
 216         group_chat = EMPATHY_GROUP_CHAT (chat);
 217         priv = GET_PRIV (group_chat);
 218
 219         priv->contacts_visible = show;
 220
 221         if (show) {
 222                 gtk_widget_show (priv->scrolled_window_contacts);
 223                 gtk_paned_set_position (GTK_PANED (priv->hpaned),
 224                                         priv->contacts_width);
 225         } else {
 226                 priv->contacts_width = gtk_paned_get_position (GTK_PANED (priv->hpaned));
 227                 gtk_widget_hide (priv->scrolled_window_contacts);
 228         }
 229 }
 230
 231 void
 232 empathy_group_chat_set_topic (EmpathyGroupChat *chat)
 233 {
 234         EmpathyGroupChatPriv *priv;
 235         EmpathyChatWindow    *chat_window;
 236         GtkWidget           *chat_dialog;
 237         GtkWidget           *dialog;
 238         GtkWidget           *entry;
 239         GtkWidget           *hbox;
 240         const gchar         *topic;
 241
 242         g_return_if_fail (EMPATHY_IS_GROUP_CHAT (chat));
 243
 244         priv = GET_PRIV (chat);
 245
 246         chat_window = empathy_chat_get_window (EMPATHY_CHAT (chat));
 247         chat_dialog = empathy_chat_window_get_dialog (chat_window);
 248
 249         dialog = gtk_message_dialog_new (GTK_WINDOW (chat_dialog),
 250                                          0,
 251                                          GTK_MESSAGE_QUESTION,
 252                                          GTK_BUTTONS_OK_CANCEL,
 253                                          _("Enter the new topic you want to set for this room:"));
 254
 255         topic = gtk_label_get_text (GTK_LABEL (priv->label_topic));
 256
 257         hbox = gtk_hbox_new (FALSE, 0);
 258         gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox),
 259                             hbox, FALSE, TRUE, 4);
 260
 261         entry = gtk_entry_new ();
 262         gtk_entry_set_text (GTK_ENTRY (entry), topic);
 263         gtk_editable_select_region (GTK_EDITABLE (entry), 0, -1);
 264
 265         gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 4);
 266
 267         g_object_set (GTK_MESSAGE_DIALOG (dialog)->label, "use-markup", TRUE, NULL);
 268         g_object_set_data (G_OBJECT (dialog), "entry", entry);
 269
 270         g_signal_connect (entry, "activate",
 271                           G_CALLBACK (group_chat_topic_entry_activate_cb),
 272                           dialog);
 273         g_signal_connect (dialog, "response",
 274                           G_CALLBACK (group_chat_topic_response_cb),
 275                           chat);
 276
 277         gtk_widget_show_all (dialog);
 278 }
 279
 280 static void
 281 group_chat_create_ui (EmpathyGroupChat *chat)
 282 {
 283         EmpathyGroupChatPriv *priv;
 284         GladeXML            *glade;
 285         GList               *list = NULL;
 286
 287         priv = GET_PRIV (chat);
 288
 289         glade = empathy_glade_get_file ("empathy-group-chat.glade",
 290                                        "group_chat_widget",
 291                                        NULL,
 292                                        "group_chat_widget", &priv->widget,
 293                                        "hpaned", &priv->hpaned,
 294                                        "vbox_left", &priv->vbox_left,
 295                                        "scrolled_window_chat", &priv->scrolled_window_chat,
 296                                        "scrolled_window_input", &priv->scrolled_window_input,
 297                                        "hbox_topic", &priv->hbox_topic,
 298                                        "label_topic", &priv->label_topic,
 299                                        "scrolled_window_contacts", &priv->scrolled_window_contacts,
 300                                        NULL);
 301
 302         empathy_glade_connect (glade,
 303                               chat,
 304                               "group_chat_widget", "destroy", group_chat_widget_destroy_cb,
 305                               NULL);
 306
 307         g_object_unref (glade);
 308
 309         g_object_set_data (G_OBJECT (priv->widget), "chat", g_object_ref (chat));
 310
 311         /* Add room GtkTextView. */
 312         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat),
 313                            GTK_WIDGET (EMPATHY_CHAT (chat)->view));
 314         gtk_widget_show (GTK_WIDGET (EMPATHY_CHAT (chat)->view));
 315
 316         /* Add input GtkTextView */
 317         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input),
 318                            EMPATHY_CHAT (chat)->input_text_view);
 319         gtk_widget_show (EMPATHY_CHAT (chat)->input_text_view);
 320
 321         /* Add nick name completion */
 322         priv->completion = g_completion_new (NULL);
 323         g_completion_set_compare (priv->completion,
 324                                   group_chat_contacts_completion_func);
 325
 326         /* Set widget focus order */
 327         list = g_list_append (NULL, priv->scrolled_window_input);
 328         gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list);
 329         g_list_free (list);
 330
 331         list = g_list_append (NULL, priv->vbox_left);
 332         list = g_list_append (list, priv->scrolled_window_contacts);
 333         gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list);
 334         g_list_free (list);
 335
 336         list = g_list_append (NULL, priv->hpaned);
 337         list = g_list_append (list, priv->hbox_topic);
 338         gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list);
 339         g_list_free (list);
 340 }
 341
 342 static void
 343 group_chat_widget_destroy_cb (GtkWidget       *widget,
 344                               EmpathyGroupChat *chat)
 345 {
 346         empathy_debug (DEBUG_DOMAIN, "Destroyed");
 347
 348         g_object_unref (chat);
 349 }
 350
 351 static void
 352 group_chat_members_changed_cb (EmpathyTpChatroom *tp_chat,
 353                                EmpathyContact     *contact,
 354                                EmpathyContact     *actor,
 355                                guint               reason,
 356                                gchar              *message,
 357                                gboolean            is_member,
 358                                EmpathyGroupChat   *chat)
 359 {
 360         EmpathyGroupChatPriv *priv;
 361         gchar                *str;
 362
 363         priv = GET_PRIV (chat);
 364
 365         if (is_member) {
 366                 str = g_strdup_printf (_("%s has joined the room"),
 367                                        empathy_contact_get_name (contact));
 368         } else {
 369                 str = g_strdup_printf (_("%s has left the room"),
 370                                        empathy_contact_get_name (contact));
 371         }
 372         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
 373         g_free (str);
 374 }
 375
 376 static void
 377 group_chat_topic_entry_activate_cb (GtkWidget *entry,
 378                                     GtkDialog *dialog)
 379 {
 380         gtk_dialog_response (dialog, GTK_RESPONSE_OK);
 381 }
 382
 383 static void
 384 group_chat_topic_response_cb (GtkWidget       *dialog,
 385                               gint             response,
 386                               EmpathyGroupChat *chat)
 387 {
 388         if (response == GTK_RESPONSE_OK) {
 389                 GtkWidget   *entry;
 390                 const gchar *topic;
 391
 392                 entry = g_object_get_data (G_OBJECT (dialog), "entry");
 393                 topic = gtk_entry_get_text (GTK_ENTRY (entry));
 394
 395                 if (!G_STR_EMPTY (topic)) {
 396                         EmpathyGroupChatPriv *priv;
 397
 398                         priv = GET_PRIV (chat);
 399
 400                         empathy_tp_chatroom_set_topic (priv->tp_chat, topic);
 401                 }
 402         }
 403
 404         gtk_widget_destroy (dialog);
 405 }
 406
 407 static const gchar *
 408 group_chat_get_name (EmpathyChat *chat)
 409 {
 410         EmpathyGroupChat     *group_chat;
 411         EmpathyGroupChatPriv *priv;
 412
 413         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), NULL);
 414
 415         group_chat = EMPATHY_GROUP_CHAT (chat);
 416         priv = GET_PRIV (group_chat);
 417
 418         if (!priv->name) {
 419                 const gchar *id;
 420                 const gchar *server;
 421
 422                 id = empathy_chat_get_id (chat);
 423                 server = strstr (id, "@");
 424
 425                 if (server) {
 426                         priv->name = g_strndup (id, server - id);
 427                 } else {
 428                         priv->name = g_strdup (id);
 429                 }
 430         }
 431
 432         return priv->name;
 433 }
 434
 435 static gchar *
 436 group_chat_get_tooltip (EmpathyChat *chat)
 437 {
 438         EmpathyGroupChat     *group_chat;
 439         EmpathyGroupChatPriv *priv;
 440
 441         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), NULL);
 442
 443         group_chat = EMPATHY_GROUP_CHAT (chat);
 444         priv = GET_PRIV (group_chat);
 445
 446         if (priv->topic) {
 447                 gchar *topic, *tmp;
 448
 449                 topic = g_strdup_printf (_("Topic: %s"), priv->topic);
 450                 tmp = g_strdup_printf ("%s\n%s", priv->name, topic);
 451                 g_free (topic);
 452
 453                 return tmp;
 454         }
 455
 456         return g_strdup (priv->name);
 457 }
 458
 459 static const gchar *
 460 group_chat_get_status_icon_name (EmpathyChat *chat)
 461 {
 462         return EMPATHY_IMAGE_GROUP_MESSAGE;
 463 }
 464
 465 static GtkWidget *
 466 group_chat_get_widget (EmpathyChat *chat)
 467 {
 468         EmpathyGroupChat     *group_chat;
 469         EmpathyGroupChatPriv *priv;
 470
 471         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), NULL);
 472
 473         group_chat = EMPATHY_GROUP_CHAT (chat);
 474         priv = GET_PRIV (group_chat);
 475
 476         return priv->widget;
 477 }
 478
 479 static gboolean
 480 group_chat_is_group_chat (EmpathyChat *chat)
 481 {
 482         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), FALSE);
 483
 484         return TRUE;
 485 }
 486
 487 static void
 488 group_chat_set_tp_chat (EmpathyChat    *chat,
 489                         EmpathyTpChat *tp_chat)
 490 {
 491         EmpathyGroupChat     *group_chat;
 492         EmpathyGroupChatPriv *priv;
 493
 494         g_return_if_fail (EMPATHY_IS_GROUP_CHAT (chat));
 495
 496         group_chat = EMPATHY_GROUP_CHAT (chat);
 497         priv = GET_PRIV (group_chat);
 498
 499         /* Free all resources related to tp_chat */
 500         if (priv->tp_chat) {
 501                 g_object_unref (priv->tp_chat);
 502                 priv->tp_chat = NULL;
 503         }
 504         if (priv->view) {
 505                 gtk_widget_destroy (GTK_WIDGET (priv->view));
 506                 g_object_unref (priv->store);
 507         }
 508         g_free (priv->name);
 509         g_free (priv->topic);
 510         priv->name = NULL;
 511         priv->topic = NULL;
 512
 513         if (!tp_chat) {
 514                 /* We are no more connected */
 515                 gtk_widget_set_sensitive (priv->hbox_topic, FALSE);
 516                 gtk_widget_set_sensitive (priv->scrolled_window_contacts, FALSE);
 517                 return;
 518         }
 519
 520         /* We are connected */
 521         gtk_widget_set_sensitive (priv->hbox_topic, TRUE);
 522         gtk_widget_set_sensitive (priv->scrolled_window_contacts, TRUE);
 523
 524         priv->tp_chat = g_object_ref (tp_chat);
 525
 526         /* FIXME: Ask the user before accepting */
 527         empathy_tp_chatroom_accept_invitation (priv->tp_chat);
 528
 529         /* Create contact list */
 530         priv->store = empathy_contact_list_store_new (EMPATHY_CONTACT_LIST (priv->tp_chat));
 531         priv->view = empathy_contact_list_view_new (priv->store);
 532         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_contacts),
 533                            GTK_WIDGET (priv->view));
 534         gtk_widget_show (GTK_WIDGET (priv->view));
 535
 536         /* Connect signals */
 537         g_signal_connect (priv->tp_chat, "members-changed",
 538                           G_CALLBACK (group_chat_members_changed_cb),
 539                           chat);
 540         g_signal_connect (priv->tp_chat, "notify::subject",
 541                           G_CALLBACK (group_chat_subject_notify_cb),
 542                           chat);
 543         g_signal_connect (priv->tp_chat, "notify::name",
 544                           G_CALLBACK (group_chat_name_notify_cb),
 545                           chat);
 546 }
 547
 548 static void
 549 group_chat_subject_notify_cb (EmpathyTpChat   *tp_chat,
 550                               GParamSpec      *param,
 551                               EmpathyGroupChat *chat)
 552 {
 553         EmpathyGroupChatPriv *priv;
 554         gchar                *str = NULL;
 555
 556         priv = GET_PRIV (chat);
 557
 558         g_object_get (priv->tp_chat, "subject", &str, NULL);
 559         if (!empathy_strdiff (priv->topic, str)) {
 560                 g_free (str);
 561                 return;
 562         }
 563
 564         g_free (priv->topic);
 565         priv->topic = str;
 566         gtk_label_set_text (GTK_LABEL (priv->label_topic), priv->topic);
 567
 568         if (!G_STR_EMPTY (priv->topic)) {
 569                 str = g_strdup_printf (_("Topic set to: %s"), priv->topic);
 570         } else {
 571                 str = g_strdup (_("No topic defined"));
 572         }
 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