libempathy-gtk/empathy-group-chat.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2002-2007 Imendio AB
   4  * Copyright (C) 2007 Collabora Ltd.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public
  17  * License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  *
  21  * Authors: Mikael Hallendal <micke@imendio.com>
  22  *          Richard Hult <richard@imendio.com>
  23  *          Martyn Russell <martyn@imendio.com>
  24  *          Xavier Claessens <xclaesse@gmail.com>
  25  */
  26
  27 #include "config.h"
  28
  29 #include <string.h>
  30
  31 #include <gdk/gdkkeysyms.h>
  32 #include <gtk/gtk.h>
  33 #include <glade/glade.h>
  34 #include <glib/gi18n.h>
  35
  36 #include <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 #include <libempathy/empathy-conf.h>
  44
  45 #include "empathy-group-chat.h"
  46 #include "empathy-chat.h"
  47 #include "empathy-chat-view.h"
  48 #include "empathy-contact-list-store.h"
  49 #include "empathy-contact-list-view.h"
  50 //#include "empathy-chat-invite.h"
  51 //#include "empathy-sound.h"
  52 #include "empathy-images.h"
  53 #include "empathy-ui-utils.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 (McAccount *account,
 179                         TpChan    *tp_chan)
 180 {
 181         EmpathyGroupChat     *chat;
 182         EmpathyGroupChatPriv *priv;
 183
 184         g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
 185         g_return_val_if_fail (TELEPATHY_IS_CHAN (tp_chan), NULL);
 186
 187         chat = g_object_new (EMPATHY_TYPE_GROUP_CHAT, NULL);
 188
 189         priv = GET_PRIV (chat);
 190
 191         EMPATHY_CHAT (chat)->account = g_object_ref (account);
 192         priv->tp_chat = empathy_tp_chatroom_new (account, tp_chan);
 193         empathy_chat_set_tp_chat (EMPATHY_CHAT (chat), EMPATHY_TP_CHAT (priv->tp_chat));
 194
 195         return chat;
 196 }
 197
 198 gboolean
 199 empathy_group_chat_get_show_contacts (EmpathyGroupChat *chat)
 200 {
 201         EmpathyGroupChat     *group_chat;
 202         EmpathyGroupChatPriv *priv;
 203
 204         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), FALSE);
 205
 206         group_chat = EMPATHY_GROUP_CHAT (chat);
 207         priv = GET_PRIV (group_chat);
 208
 209         return priv->contacts_visible;
 210 }
 211
 212 void
 213 empathy_group_chat_set_show_contacts (EmpathyGroupChat *chat,
 214                                      gboolean         show)
 215 {
 216         EmpathyGroupChat     *group_chat;
 217         EmpathyGroupChatPriv *priv;
 218
 219         g_return_if_fail (EMPATHY_IS_GROUP_CHAT (chat));
 220
 221         group_chat = EMPATHY_GROUP_CHAT (chat);
 222         priv = GET_PRIV (group_chat);
 223
 224         priv->contacts_visible = show;
 225
 226         if (show) {
 227                 gtk_widget_show (priv->scrolled_window_contacts);
 228                 gtk_paned_set_position (GTK_PANED (priv->hpaned),
 229                                         priv->contacts_width);
 230         } else {
 231                 priv->contacts_width = gtk_paned_get_position (GTK_PANED (priv->hpaned));
 232                 gtk_widget_hide (priv->scrolled_window_contacts);
 233         }
 234 }
 235
 236 void
 237 empathy_group_chat_set_topic (EmpathyGroupChat *chat)
 238 {
 239         EmpathyGroupChatPriv *priv;
 240         EmpathyChatWindow    *chat_window;
 241         GtkWidget           *chat_dialog;
 242         GtkWidget           *dialog;
 243         GtkWidget           *entry;
 244         GtkWidget           *hbox;
 245         const gchar         *topic;
 246
 247         g_return_if_fail (EMPATHY_IS_GROUP_CHAT (chat));
 248
 249         priv = GET_PRIV (chat);
 250
 251         chat_window = empathy_chat_get_window (EMPATHY_CHAT (chat));
 252         chat_dialog = empathy_chat_window_get_dialog (chat_window);
 253
 254         dialog = gtk_message_dialog_new (GTK_WINDOW (chat_dialog),
 255                                          0,
 256                                          GTK_MESSAGE_QUESTION,
 257                                          GTK_BUTTONS_OK_CANCEL,
 258                                          _("Enter the new topic you want to set for this room:"));
 259
 260         topic = gtk_label_get_text (GTK_LABEL (priv->label_topic));
 261
 262         hbox = gtk_hbox_new (FALSE, 0);
 263         gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox),
 264                             hbox, FALSE, TRUE, 4);
 265
 266         entry = gtk_entry_new ();
 267         gtk_entry_set_text (GTK_ENTRY (entry), topic);
 268         gtk_editable_select_region (GTK_EDITABLE (entry), 0, -1);
 269
 270         gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 4);
 271
 272         g_object_set (GTK_MESSAGE_DIALOG (dialog)->label, "use-markup", TRUE, NULL);
 273         g_object_set_data (G_OBJECT (dialog), "entry", entry);
 274
 275         g_signal_connect (entry, "activate",
 276                           G_CALLBACK (group_chat_topic_entry_activate_cb),
 277                           dialog);
 278         g_signal_connect (dialog, "response",
 279                           G_CALLBACK (group_chat_topic_response_cb),
 280                           chat);
 281
 282         gtk_widget_show_all (dialog);
 283 }
 284
 285 static void
 286 group_chat_create_ui (EmpathyGroupChat *chat)
 287 {
 288         EmpathyGroupChatPriv *priv;
 289         GladeXML            *glade;
 290         GList               *list = NULL;
 291
 292         priv = GET_PRIV (chat);
 293
 294         glade = empathy_glade_get_file ("empathy-group-chat.glade",
 295                                        "group_chat_widget",
 296                                        NULL,
 297                                        "group_chat_widget", &priv->widget,
 298                                        "hpaned", &priv->hpaned,
 299                                        "vbox_left", &priv->vbox_left,
 300                                        "scrolled_window_chat", &priv->scrolled_window_chat,
 301                                        "scrolled_window_input", &priv->scrolled_window_input,
 302                                        "hbox_topic", &priv->hbox_topic,
 303                                        "label_topic", &priv->label_topic,
 304                                        "scrolled_window_contacts", &priv->scrolled_window_contacts,
 305                                        NULL);
 306
 307         empathy_glade_connect (glade,
 308                               chat,
 309                               "group_chat_widget", "destroy", group_chat_widget_destroy_cb,
 310                               NULL);
 311
 312         g_object_unref (glade);
 313
 314         g_object_set_data (G_OBJECT (priv->widget), "chat", g_object_ref (chat));
 315
 316         /* Add room GtkTextView. */
 317         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat),
 318                            GTK_WIDGET (EMPATHY_CHAT (chat)->view));
 319         gtk_widget_show (GTK_WIDGET (EMPATHY_CHAT (chat)->view));
 320
 321         /* Add input GtkTextView */
 322         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input),
 323                            EMPATHY_CHAT (chat)->input_text_view);
 324         gtk_widget_show (EMPATHY_CHAT (chat)->input_text_view);
 325
 326         /* Add nick name completion */
 327         priv->completion = g_completion_new ((GCompletionFunc) empathy_contact_get_name);
 328         g_completion_set_compare (priv->completion,
 329                                   group_chat_contacts_completion_func);
 330
 331         /* Set widget focus order */
 332         list = g_list_append (NULL, priv->scrolled_window_input);
 333         gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list);
 334         g_list_free (list);
 335
 336         list = g_list_append (NULL, priv->vbox_left);
 337         list = g_list_append (list, priv->scrolled_window_contacts);
 338         gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list);
 339         g_list_free (list);
 340
 341         list = g_list_append (NULL, priv->hpaned);
 342         list = g_list_append (list, priv->hbox_topic);
 343         gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list);
 344         g_list_free (list);
 345 }
 346
 347 static void
 348 group_chat_widget_destroy_cb (GtkWidget       *widget,
 349                               EmpathyGroupChat *chat)
 350 {
 351         empathy_debug (DEBUG_DOMAIN, "Destroyed");
 352
 353         g_object_unref (chat);
 354 }
 355
 356 static void
 357 group_chat_members_changed_cb (EmpathyTpChatroom *tp_chat,
 358                                EmpathyContact     *contact,
 359                                EmpathyContact     *actor,
 360                                guint               reason,
 361                                gchar              *message,
 362                                gboolean            is_member,
 363                                EmpathyGroupChat   *chat)
 364 {
 365         EmpathyGroupChatPriv *priv;
 366         gchar                *str;
 367
 368         priv = GET_PRIV (chat);
 369
 370         if (is_member) {
 371                 str = g_strdup_printf (_("%s has joined the room"),
 372                                        empathy_contact_get_name (contact));
 373         } else {
 374                 str = g_strdup_printf (_("%s has left the room"),
 375                                        empathy_contact_get_name (contact));
 376         }
 377         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
 378         g_free (str);
 379 }
 380
 381 static void
 382 group_chat_topic_entry_activate_cb (GtkWidget *entry,
 383                                     GtkDialog *dialog)
 384 {
 385         gtk_dialog_response (dialog, GTK_RESPONSE_OK);
 386 }
 387
 388 static void
 389 group_chat_topic_response_cb (GtkWidget       *dialog,
 390                               gint             response,
 391                               EmpathyGroupChat *chat)
 392 {
 393         if (response == GTK_RESPONSE_OK) {
 394                 GtkWidget   *entry;
 395                 const gchar *topic;
 396
 397                 entry = g_object_get_data (G_OBJECT (dialog), "entry");
 398                 topic = gtk_entry_get_text (GTK_ENTRY (entry));
 399
 400                 if (!G_STR_EMPTY (topic)) {
 401                         EmpathyGroupChatPriv *priv;
 402
 403                         priv = GET_PRIV (chat);
 404
 405                         empathy_tp_chatroom_set_topic (priv->tp_chat, topic);
 406                 }
 407         }
 408
 409         gtk_widget_destroy (dialog);
 410 }
 411
 412 static const gchar *
 413 group_chat_get_name (EmpathyChat *chat)
 414 {
 415         EmpathyGroupChat     *group_chat;
 416         EmpathyGroupChatPriv *priv;
 417
 418         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), NULL);
 419
 420         group_chat = EMPATHY_GROUP_CHAT (chat);
 421         priv = GET_PRIV (group_chat);
 422
 423         if (!priv->name) {
 424                 const gchar *id;
 425                 const gchar *server;
 426
 427                 id = empathy_chat_get_id (chat);
 428                 server = strstr (id, "@");
 429
 430                 if (server) {
 431                         priv->name = g_strndup (id, server - id);
 432                 } else {
 433                         priv->name = g_strdup (id);
 434                 }
 435         }
 436
 437         return priv->name;
 438 }
 439
 440 static gchar *
 441 group_chat_get_tooltip (EmpathyChat *chat)
 442 {
 443         EmpathyGroupChat     *group_chat;
 444         EmpathyGroupChatPriv *priv;
 445
 446         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), NULL);
 447
 448         group_chat = EMPATHY_GROUP_CHAT (chat);
 449         priv = GET_PRIV (group_chat);
 450
 451         if (priv->topic) {
 452                 gchar *topic, *tmp;
 453
 454                 topic = g_strdup_printf (_("Topic: %s"), priv->topic);
 455                 tmp = g_strdup_printf ("%s\n%s", priv->name, topic);
 456                 g_free (topic);
 457
 458                 return tmp;
 459         }
 460
 461         return g_strdup (priv->name);
 462 }
 463
 464 static const gchar *
 465 group_chat_get_status_icon_name (EmpathyChat *chat)
 466 {
 467         return EMPATHY_IMAGE_GROUP_MESSAGE;
 468 }
 469
 470 static GtkWidget *
 471 group_chat_get_widget (EmpathyChat *chat)
 472 {
 473         EmpathyGroupChat     *group_chat;
 474         EmpathyGroupChatPriv *priv;
 475
 476         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), NULL);
 477
 478         group_chat = EMPATHY_GROUP_CHAT (chat);
 479         priv = GET_PRIV (group_chat);
 480
 481         return priv->widget;
 482 }
 483
 484 static gboolean
 485 group_chat_is_group_chat (EmpathyChat *chat)
 486 {
 487         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), FALSE);
 488
 489         return TRUE;
 490 }
 491
 492 static void
 493 group_chat_set_tp_chat (EmpathyChat    *chat,
 494                         EmpathyTpChat *tp_chat)
 495 {
 496         EmpathyGroupChat     *group_chat;
 497         EmpathyGroupChatPriv *priv;
 498
 499         g_return_if_fail (EMPATHY_IS_GROUP_CHAT (chat));
 500
 501         group_chat = EMPATHY_GROUP_CHAT (chat);
 502         priv = GET_PRIV (group_chat);
 503
 504         /* Free all resources related to tp_chat */
 505         if (priv->tp_chat) {
 506                 g_object_unref (priv->tp_chat);
 507                 priv->tp_chat = NULL;
 508         }
 509         if (priv->view) {
 510                 gtk_widget_destroy (GTK_WIDGET (priv->view));
 511                 g_object_unref (priv->store);
 512         }
 513         g_free (priv->name);
 514         g_free (priv->topic);
 515         priv->name = NULL;
 516         priv->topic = NULL;
 517
 518         if (!tp_chat) {
 519                 /* We are no more connected */
 520                 gtk_widget_set_sensitive (priv->hbox_topic, FALSE);
 521                 gtk_widget_set_sensitive (priv->scrolled_window_contacts, FALSE);
 522                 return;
 523         }
 524
 525         /* We are connected */
 526         gtk_widget_set_sensitive (priv->hbox_topic, TRUE);
 527         gtk_widget_set_sensitive (priv->scrolled_window_contacts, TRUE);
 528
 529         priv->tp_chat = g_object_ref (tp_chat);
 530
 531         if (empathy_tp_chatroom_get_invitation (priv->tp_chat, NULL, NULL)) {
 532                 empathy_tp_chatroom_accept_invitation (priv->tp_chat);
 533         }
 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         empathy_contact_list_view_set_interactive (priv->view, TRUE);
 539         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_contacts),
 540                            GTK_WIDGET (priv->view));
 541         gtk_widget_show (GTK_WIDGET (priv->view));
 542
 543         /* Connect signals */
 544         g_signal_connect (priv->tp_chat, "members-changed",
 545                           G_CALLBACK (group_chat_members_changed_cb),
 546                           chat);
 547         g_signal_connect (priv->tp_chat, "notify::subject",
 548                           G_CALLBACK (group_chat_subject_notify_cb),
 549                           chat);
 550         g_signal_connect (priv->tp_chat, "notify::name",
 551                           G_CALLBACK (group_chat_name_notify_cb),
 552                           chat);
 553 }
 554
 555 static void
 556 group_chat_subject_notify_cb (EmpathyTpChat   *tp_chat,
 557                               GParamSpec      *param,
 558                               EmpathyGroupChat *chat)
 559 {
 560         EmpathyGroupChatPriv *priv;
 561         gchar                *str = NULL;
 562
 563         priv = GET_PRIV (chat);
 564
 565         g_object_get (priv->tp_chat, "subject", &str, NULL);
 566         if (!tp_strdiff (priv->topic, str)) {
 567                 g_free (str);
 568                 return;
 569         }
 570
 571         g_free (priv->topic);
 572         priv->topic = str;
 573         gtk_label_set_text (GTK_LABEL (priv->label_topic), priv->topic);
 574
 575         if (!G_STR_EMPTY (priv->topic)) {
 576                 str = g_strdup_printf (_("Topic set to: %s"), priv->topic);
 577         } else {
 578                 str = g_strdup (_("No topic defined"));
 579         }
 580         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
 581         g_free (str);
 582 }
 583
 584 static void
 585 group_chat_name_notify_cb (EmpathyTpChat   *tp_chat,
 586                            GParamSpec      *param,
 587                            EmpathyGroupChat *chat)
 588 {
 589         EmpathyGroupChatPriv *priv;
 590
 591         priv = GET_PRIV (chat);
 592
 593         g_free (priv->name);
 594         g_object_get (priv->tp_chat, "name", &priv->name, NULL);
 595 }
 596
 597 static gboolean
 598 group_chat_key_press_event (EmpathyChat *chat,
 599                             GdkEventKey *event)
 600 {
 601         EmpathyGroupChatPriv *priv = GET_PRIV (chat);
 602
 603         if (!(event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) &&
 604             event->keyval == GDK_Tab) {
 605                 GtkTextBuffer *buffer;
 606                 GtkTextIter    start, current;
 607                 gchar         *nick, *completed;
 608                 GList         *list, *completed_list;
 609                 gboolean       is_start_of_buffer;
 610
 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                 list = empathy_contact_list_get_members (EMPATHY_CONTACT_LIST (priv->tp_chat));
 620                 g_completion_add_items (priv->completion, list);
 621
 622                 nick = gtk_text_buffer_get_text (buffer, &start, &current, FALSE);
 623                 completed_list = g_completion_complete (priv->completion,
 624                                                         nick,
 625                                                         &completed);
 626
 627                 g_free (nick);
 628
 629                 if (completed) {
 630                         guint        len;
 631                         const gchar *text;
 632                         gchar       *complete_char = NULL;
 633
 634                         gtk_text_buffer_delete (buffer, &start, &current);
 635
 636                         len = g_list_length (completed_list);
 637
 638                         if (len == 1) {
 639                                 /* If we only have one hit, use that text
 640                                  * instead of the text in completed since the
 641                                  * completed text will use the typed string
 642                                  * which might be cased all wrong.
 643                                  * Fixes #120876
 644                                  * */
 645                                 text = empathy_contact_get_name (completed_list->data);
 646                         } else {
 647                                 text = completed;
 648                         }
 649
 650                         gtk_text_buffer_insert_at_cursor (buffer, text, strlen (text));
 651
 652                         if (len == 1 && is_start_of_buffer &&
 653                             empathy_conf_get_string (empathy_conf_get (),
 654                                                      EMPATHY_PREFS_CHAT_NICK_COMPLETION_CHAR,
 655                                                      &complete_char) &&
 656                             complete_char != NULL) {
 657                                 gtk_text_buffer_insert_at_cursor (buffer,
 658                                                                   complete_char,
 659                                                                   strlen (complete_char));
 660                                 gtk_text_buffer_insert_at_cursor (buffer, " ", 1);
 661                                 g_free (complete_char);
 662                         }
 663
 664                         g_free (completed);
 665                 }
 666
 667                 g_completion_clear_items (priv->completion);
 668
 669                 g_list_foreach (list, (GFunc) g_object_unref, NULL);
 670                 g_list_free (list);
 671
 672                 return TRUE;
 673         }
 674
 675         return FALSE;
 676 }
 677
 678 static gint
 679 group_chat_contacts_completion_func (const gchar *s1,
 680                                      const gchar *s2,
 681                                      gsize        n)
 682 {
 683         gchar *tmp, *nick1, *nick2;
 684         gint   ret;
 685
 686         tmp = g_utf8_normalize (s1, -1, G_NORMALIZE_DEFAULT);
 687         nick1 = g_utf8_casefold (tmp, -1);
 688         g_free (tmp);
 689
 690         tmp = g_utf8_normalize (s2, -1, G_NORMALIZE_DEFAULT);
 691         nick2 = g_utf8_casefold (tmp, -1);
 692         g_free (tmp);
 693
 694         ret = strncmp (nick1, nick2, n);
 695
 696         g_free (nick1);
 697         g_free (nick2);
 698
 699         return ret;
 700 }
 701