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