libempathy-gtk/empathy-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., 51 Franklin St, Fifth Floor,
  19  * Boston, MA  02110-1301  USA
  20  *
  21  * Authors: Mikael Hallendal <micke@imendio.com>
  22  *          Richard Hult <richard@imendio.com>
  23  *          Martyn Russell <martyn@imendio.com>
  24  *          Geert-Jan Van den Bogaerde <geertjan@gnome.org>
  25  *          Xavier Claessens <xclaesse@gmail.com>
  26  */
  27
  28 #include <config.h>
  29
  30 #include <string.h>
  31 #include <stdlib.h>
  32
  33 #include <gdk/gdkkeysyms.h>
  34 #include <glib/gi18n-lib.h>
  35 #include <gtk/gtk.h>
  36
  37 #include <telepathy-glib/util.h>
  38
  39 #include <libempathy/empathy-account-manager.h>
  40 #include <libempathy/empathy-log-manager.h>
  41 #include <libempathy/empathy-contact-list.h>
  42 #include <libempathy/empathy-utils.h>
  43 #include <libempathy/empathy-dispatcher.h>
  44
  45 #include "empathy-chat.h"
  46 #include "empathy-conf.h"
  47 #include "empathy-spell.h"
  48 #include "empathy-contact-list-store.h"
  49 #include "empathy-contact-list-view.h"
  50 #include "empathy-contact-menu.h"
  51 #include "empathy-theme-manager.h"
  52 #include "empathy-smiley-manager.h"
  53 #include "empathy-ui-utils.h"
  54
  55 #define DEBUG_FLAG EMPATHY_DEBUG_CHAT
  56 #include <libempathy/empathy-debug.h>
  57
  58 #define CHAT_DIR_CREATE_MODE  (S_IRUSR | S_IWUSR | S_IXUSR)
  59 #define CHAT_FILE_CREATE_MODE (S_IRUSR | S_IWUSR)
  60 #define IS_ENTER(v) (v == GDK_Return || v == GDK_ISO_Enter || v == GDK_KP_Enter)
  61 #define MAX_INPUT_HEIGHT 150
  62 #define COMPOSING_STOP_TIMEOUT 5
  63
  64 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyChat)
  65 typedef struct {
  66         EmpathyTpChat     *tp_chat;
  67         McAccount         *account;
  68         gchar             *id;
  69         gchar             *name;
  70         gchar             *subject;
  71         EmpathyContact    *remote_contact;
  72         gboolean           show_contacts;
  73
  74         EmpathyLogManager *log_manager;
  75         EmpathyAccountManager *account_manager;
  76         GSList            *sent_messages;
  77         gint               sent_messages_index;
  78         GList             *compositors;
  79         GCompletion       *completion;
  80         guint              composing_stop_timeout_id;
  81         guint              block_events_timeout_id;
  82         TpHandleType       handle_type;
  83         gint               contacts_width;
  84         gboolean           has_input_vscroll;
  85
  86         GtkWidget         *widget;
  87         GtkWidget         *hpaned;
  88         GtkWidget         *vbox_left;
  89         GtkWidget         *scrolled_window_chat;
  90         GtkWidget         *scrolled_window_input;
  91         GtkWidget         *scrolled_window_contacts;
  92         GtkWidget         *hbox_topic;
  93         GtkWidget         *label_topic;
  94         GtkWidget         *contact_list_view;
  95 } EmpathyChatPriv;
  96
  97 enum {
  98         COMPOSING,
  99         NEW_MESSAGE,
 100         LAST_SIGNAL
 101 };
 102
 103 enum {
 104         PROP_0,
 105         PROP_TP_CHAT,
 106         PROP_ACCOUNT,
 107         PROP_ID,
 108         PROP_NAME,
 109         PROP_SUBJECT,
 110         PROP_REMOTE_CONTACT,
 111         PROP_SHOW_CONTACTS,
 112 };
 113
 114 static guint signals[LAST_SIGNAL] = { 0 };
 115
 116 G_DEFINE_TYPE (EmpathyChat, empathy_chat, GTK_TYPE_BIN);
 117
 118 static void
 119 chat_get_property (GObject    *object,
 120                    guint       param_id,
 121                    GValue     *value,
 122                    GParamSpec *pspec)
 123 {
 124         EmpathyChat *chat = EMPATHY_CHAT (object);
 125         EmpathyChatPriv *priv = GET_PRIV (object);
 126
 127         switch (param_id) {
 128         case PROP_TP_CHAT:
 129                 g_value_set_object (value, priv->tp_chat);
 130                 break;
 131         case PROP_ACCOUNT:
 132                 g_value_set_object (value, priv->account);
 133                 break;
 134         case PROP_NAME:
 135                 g_value_set_string (value, empathy_chat_get_name (chat));
 136                 break;
 137         case PROP_ID:
 138                 g_value_set_string (value, priv->id);
 139                 break;
 140         case PROP_SUBJECT:
 141                 g_value_set_string (value, priv->subject);
 142                 break;
 143         case PROP_REMOTE_CONTACT:
 144                 g_value_set_object (value, priv->remote_contact);
 145                 break;
 146         case PROP_SHOW_CONTACTS:
 147                 g_value_set_boolean (value, priv->show_contacts);
 148                 break;
 149         default:
 150                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 151                 break;
 152         };
 153 }
 154
 155 static void
 156 chat_set_property (GObject      *object,
 157                    guint         param_id,
 158                    const GValue *value,
 159                    GParamSpec   *pspec)
 160 {
 161         EmpathyChat *chat = EMPATHY_CHAT (object);
 162
 163         switch (param_id) {
 164         case PROP_TP_CHAT:
 165                 empathy_chat_set_tp_chat (chat, EMPATHY_TP_CHAT (g_value_get_object (value)));
 166                 break;
 167         case PROP_SHOW_CONTACTS:
 168                 empathy_chat_set_show_contacts (chat, g_value_get_boolean (value));
 169                 break;
 170         default:
 171                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 172                 break;
 173         };
 174 }
 175
 176 static void
 177 chat_connect_channel_reconnected (EmpathyDispatchOperation *dispatch,
 178                                   const GError             *error,
 179                                   gpointer                  user_data)
 180 {
 181         EmpathyChat *chat = EMPATHY_CHAT (user_data);
 182         EmpathyTpChat *tpchat;
 183
 184         if (error != NULL) {
 185                 empathy_chat_view_append_event (chat->view,
 186                         _("Failed to reconnect this chat"));
 187                 return;
 188         }
 189
 190         tpchat = EMPATHY_TP_CHAT (
 191                 empathy_dispatch_operation_get_channel_wrapper (dispatch));
 192
 193         if (empathy_dispatch_operation_claim (dispatch)) {
 194                 empathy_chat_set_tp_chat (chat, tpchat);
 195         }
 196 }
 197
 198 static void
 199 chat_new_connection_cb (EmpathyAccountManager *manager,
 200                         TpConnection *connection,
 201                         EmpathyChat *chat)
 202 {
 203         EmpathyChatPriv *priv = GET_PRIV (chat);
 204         McAccount *account;
 205
 206         account = empathy_account_manager_get_account (manager, connection);
 207         if (!priv->tp_chat && empathy_account_equal (account, priv->account) &&
 208             priv->handle_type != TP_HANDLE_TYPE_NONE &&
 209             !EMP_STR_EMPTY (priv->id)) {
 210
 211                 DEBUG ("Account reconnected, request a new Text channel");
 212
 213                 switch (priv->handle_type) {
 214                         case TP_HANDLE_TYPE_CONTACT:
 215                                 empathy_dispatcher_chat_with_contact_id (
 216                                         connection, priv->id,
 217                                         chat_connect_channel_reconnected,
 218                                         chat);
 219                                 break;
 220                         case TP_HANDLE_TYPE_ROOM:
 221                                 empathy_dispatcher_join_muc (connection,
 222                                         priv->id,
 223                                         chat_connect_channel_reconnected,
 224                                         chat);
 225                                 break;
 226                         default:
 227                                 g_assert_not_reached ();
 228                                 break;
 229                 }
 230         }
 231 }
 232
 233 static void
 234 chat_composing_remove_timeout (EmpathyChat *chat)
 235 {
 236         EmpathyChatPriv *priv;
 237
 238         priv = GET_PRIV (chat);
 239
 240         if (priv->composing_stop_timeout_id) {
 241                 g_source_remove (priv->composing_stop_timeout_id);
 242                 priv->composing_stop_timeout_id = 0;
 243         }
 244 }
 245
 246 static gboolean
 247 chat_composing_stop_timeout_cb (EmpathyChat *chat)
 248 {
 249         EmpathyChatPriv *priv;
 250
 251         priv = GET_PRIV (chat);
 252
 253         priv->composing_stop_timeout_id = 0;
 254         empathy_tp_chat_set_state (priv->tp_chat,
 255                                    TP_CHANNEL_CHAT_STATE_PAUSED);
 256
 257         return FALSE;
 258 }
 259
 260 static void
 261 chat_composing_start (EmpathyChat *chat)
 262 {
 263         EmpathyChatPriv *priv;
 264
 265         priv = GET_PRIV (chat);
 266
 267         if (priv->composing_stop_timeout_id) {
 268                 /* Just restart the timeout */
 269                 chat_composing_remove_timeout (chat);
 270         } else {
 271                 empathy_tp_chat_set_state (priv->tp_chat,
 272                                            TP_CHANNEL_CHAT_STATE_COMPOSING);
 273         }
 274
 275         priv->composing_stop_timeout_id = g_timeout_add_seconds (
 276                 COMPOSING_STOP_TIMEOUT,
 277                 (GSourceFunc) chat_composing_stop_timeout_cb,
 278                 chat);
 279 }
 280
 281 static void
 282 chat_composing_stop (EmpathyChat *chat)
 283 {
 284         EmpathyChatPriv *priv;
 285
 286         priv = GET_PRIV (chat);
 287
 288         chat_composing_remove_timeout (chat);
 289         empathy_tp_chat_set_state (priv->tp_chat,
 290                                    TP_CHANNEL_CHAT_STATE_ACTIVE);
 291 }
 292
 293 static void
 294 chat_sent_message_add (EmpathyChat  *chat,
 295                        const gchar *str)
 296 {
 297         EmpathyChatPriv *priv;
 298         GSList         *list;
 299         GSList         *item;
 300
 301         priv = GET_PRIV (chat);
 302
 303         /* Save the sent message in our repeat buffer */
 304         list = priv->sent_messages;
 305
 306         /* Remove any other occurances of this msg */
 307         while ((item = g_slist_find_custom (list, str, (GCompareFunc) strcmp)) != NULL) {
 308                 list = g_slist_remove_link (list, item);
 309                 g_free (item->data);
 310                 g_slist_free1 (item);
 311         }
 312
 313         /* Trim the list to the last 10 items */
 314         while (g_slist_length (list) > 10) {
 315                 item = g_slist_last (list);
 316                 if (item) {
 317                         list = g_slist_remove_link (list, item);
 318                         g_free (item->data);
 319                         g_slist_free1 (item);
 320                 }
 321         }
 322
 323         /* Add new message */
 324         list = g_slist_prepend (list, g_strdup (str));
 325
 326         /* Set list and reset the index */
 327         priv->sent_messages = list;
 328         priv->sent_messages_index = -1;
 329 }
 330
 331 static const gchar *
 332 chat_sent_message_get_next (EmpathyChat *chat)
 333 {
 334         EmpathyChatPriv *priv;
 335         gint            max;
 336
 337         priv = GET_PRIV (chat);
 338
 339         if (!priv->sent_messages) {
 340                 DEBUG ("No sent messages, next message is NULL");
 341                 return NULL;
 342         }
 343
 344         max = g_slist_length (priv->sent_messages) - 1;
 345
 346         if (priv->sent_messages_index < max) {
 347                 priv->sent_messages_index++;
 348         }
 349
 350         DEBUG ("Returning next message index:%d", priv->sent_messages_index);
 351
 352         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 353 }
 354
 355 static const gchar *
 356 chat_sent_message_get_last (EmpathyChat *chat)
 357 {
 358         EmpathyChatPriv *priv;
 359
 360         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
 361
 362         priv = GET_PRIV (chat);
 363
 364         if (!priv->sent_messages) {
 365                 DEBUG ("No sent messages, last message is NULL");
 366                 return NULL;
 367         }
 368
 369         if (priv->sent_messages_index >= 0) {
 370                 priv->sent_messages_index--;
 371         }
 372
 373         DEBUG ("Returning last message index:%d", priv->sent_messages_index);
 374
 375         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 376 }
 377
 378 static void
 379 chat_send (EmpathyChat  *chat,
 380            const gchar *msg)
 381 {
 382         EmpathyChatPriv *priv;
 383         EmpathyMessage  *message;
 384
 385         if (EMP_STR_EMPTY (msg)) {
 386                 return;
 387         }
 388
 389         priv = GET_PRIV (chat);
 390
 391         chat_sent_message_add (chat, msg);
 392
 393         if (g_str_has_prefix (msg, "/clear")) {
 394                 empathy_chat_view_clear (chat->view);
 395                 return;
 396         }
 397
 398         /* Blacklist messages begining by '/', except for "/me" and "/say"
 399          * because they are handled in EmpathyMessage */
 400         if (msg[0] == '/' &&
 401             !g_str_has_prefix (msg, "/me") &&
 402             !g_str_has_prefix (msg, "/say")) {
 403                 empathy_chat_view_append_event (chat->view,
 404                         _("Unsupported command"));
 405                 return;
 406         }
 407
 408         /* We can send the message */
 409         message = empathy_message_new (msg);
 410         empathy_tp_chat_send (priv->tp_chat, message);
 411         g_object_unref (message);
 412 }
 413
 414 static void
 415 chat_input_text_view_send (EmpathyChat *chat)
 416 {
 417         EmpathyChatPriv *priv;
 418         GtkTextBuffer  *buffer;
 419         GtkTextIter     start, end;
 420         gchar          *msg;
 421
 422         priv = GET_PRIV (chat);
 423
 424         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 425
 426         gtk_text_buffer_get_bounds (buffer, &start, &end);
 427         msg = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 428
 429         /* clear the input field */
 430         gtk_text_buffer_set_text (buffer, "", -1);
 431
 432         chat_send (chat, msg);
 433         g_free (msg);
 434 }
 435
 436 static void
 437 chat_state_changed_cb (EmpathyTpChat      *tp_chat,
 438                        EmpathyContact     *contact,
 439                        TpChannelChatState  state,
 440                        EmpathyChat        *chat)
 441 {
 442         EmpathyChatPriv *priv;
 443         GList          *l;
 444         gboolean        was_composing;
 445
 446         priv = GET_PRIV (chat);
 447
 448         if (empathy_contact_is_user (contact)) {
 449                 /* We don't care about our own chat state */
 450                 return;
 451         }
 452
 453         was_composing = (priv->compositors != NULL);
 454
 455         /* Find the contact in the list. After that l is the list elem or NULL */
 456         for (l = priv->compositors; l; l = l->next) {
 457                 if (contact == l->data) {
 458                         break;
 459                 }
 460         }
 461
 462         switch (state) {
 463         case TP_CHANNEL_CHAT_STATE_GONE:
 464         case TP_CHANNEL_CHAT_STATE_INACTIVE:
 465         case TP_CHANNEL_CHAT_STATE_PAUSED:
 466         case TP_CHANNEL_CHAT_STATE_ACTIVE:
 467                 /* Contact is not composing */
 468                 if (l) {
 469                         priv->compositors = g_list_remove_link (priv->compositors, l);
 470                         g_object_unref (l->data);
 471                         g_list_free1 (l);
 472                 }
 473                 break;
 474         case TP_CHANNEL_CHAT_STATE_COMPOSING:
 475                 /* Contact is composing */
 476                 if (!l) {
 477                         priv->compositors = g_list_prepend (priv->compositors,
 478                                                             g_object_ref (contact));
 479                 }
 480                 break;
 481         default:
 482                 g_assert_not_reached ();
 483         }
 484
 485         DEBUG ("Was composing: %s now composing: %s",
 486                 was_composing ? "yes" : "no",
 487                 priv->compositors ? "yes" : "no");
 488
 489         if ((was_composing && !priv->compositors) ||
 490             (!was_composing && priv->compositors)) {
 491                 /* Composing state changed */
 492                 g_signal_emit (chat, signals[COMPOSING], 0,
 493                                priv->compositors != NULL);
 494         }
 495 }
 496
 497 static void
 498 chat_message_received (EmpathyChat *chat, EmpathyMessage *message)
 499 {
 500         EmpathyChatPriv *priv = GET_PRIV (chat);
 501         EmpathyContact  *sender;
 502
 503         sender = empathy_message_get_sender (message);
 504
 505         DEBUG ("Appending new message from %s (%d)",
 506                 empathy_contact_get_name (sender),
 507                 empathy_contact_get_handle (sender));
 508
 509         empathy_chat_view_append_message (chat->view, message);
 510
 511         /* We received a message so the contact is no longer composing */
 512         chat_state_changed_cb (priv->tp_chat, sender,
 513                                TP_CHANNEL_CHAT_STATE_ACTIVE,
 514                                chat);
 515
 516         g_signal_emit (chat, signals[NEW_MESSAGE], 0, message);
 517 }
 518
 519 static void
 520 chat_message_received_cb (EmpathyTpChat  *tp_chat,
 521                           EmpathyMessage *message,
 522                           EmpathyChat    *chat)
 523 {
 524         chat_message_received (chat, message);
 525         empathy_tp_chat_acknowledge_message (tp_chat, message);
 526 }
 527
 528 static void
 529 chat_send_error_cb (EmpathyTpChat          *tp_chat,
 530                     EmpathyMessage         *message,
 531                     TpChannelTextSendError  error_code,
 532                     EmpathyChat            *chat)
 533 {
 534         const gchar *error;
 535         gchar       *str;
 536
 537         switch (error_code) {
 538         case TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE:
 539                 error = _("offline");
 540                 break;
 541         case TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT:
 542                 error = _("invalid contact");
 543                 break;
 544         case TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED:
 545                 error = _("permission denied");
 546                 break;
 547         case TP_CHANNEL_TEXT_SEND_ERROR_TOO_LONG:
 548                 error = _("too long message");
 549                 break;
 550         case TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED:
 551                 error = _("not implemented");
 552                 break;
 553         default:
 554                 error = _("unknown");
 555                 break;
 556         }
 557
 558         str = g_strdup_printf (_("Error sending message '%s': %s"),
 559                                empathy_message_get_body (message),
 560                                error);
 561         empathy_chat_view_append_event (chat->view, str);
 562         g_free (str);
 563 }
 564
 565 static void
 566 chat_property_changed_cb (EmpathyTpChat *tp_chat,
 567                           const gchar   *name,
 568                           GValue        *value,
 569                           EmpathyChat   *chat)
 570 {
 571         EmpathyChatPriv *priv = GET_PRIV (chat);
 572
 573         if (!tp_strdiff (name, "subject")) {
 574                 g_free (priv->subject);
 575                 priv->subject = g_value_dup_string (value);
 576                 g_object_notify (G_OBJECT (chat), "subject");
 577
 578                 if (EMP_STR_EMPTY (priv->subject)) {
 579                         gtk_widget_hide (priv->hbox_topic);
 580                 } else {
 581                         gtk_label_set_text (GTK_LABEL (priv->label_topic), priv->subject);
 582                         gtk_widget_show (priv->hbox_topic);
 583                 }
 584                 if (priv->block_events_timeout_id == 0) {
 585                         gchar *str;
 586
 587                         if (!EMP_STR_EMPTY (priv->subject)) {
 588                                 str = g_strdup_printf (_("Topic set to: %s"), priv->subject);
 589                         } else {
 590                                 str = g_strdup (_("No topic defined"));
 591                         }
 592                         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
 593                         g_free (str);
 594                 }
 595         }
 596         else if (!tp_strdiff (name, "name")) {
 597                 g_free (priv->name);
 598                 priv->name = g_value_dup_string (value);
 599                 g_object_notify (G_OBJECT (chat), "name");
 600         }
 601 }
 602
 603 static void
 604 chat_input_text_buffer_changed_cb (GtkTextBuffer *buffer,
 605                                    EmpathyChat    *chat)
 606 {
 607         EmpathyChatPriv *priv;
 608         GtkTextIter     start, end;
 609         gchar          *str;
 610         gboolean        spell_checker = FALSE;
 611
 612         priv = GET_PRIV (chat);
 613
 614         if (gtk_text_buffer_get_char_count (buffer) == 0) {
 615                 chat_composing_stop (chat);
 616         } else {
 617                 chat_composing_start (chat);
 618         }
 619
 620         empathy_conf_get_bool (empathy_conf_get (),
 621                            EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED,
 622                            &spell_checker);
 623
 624         gtk_text_buffer_get_start_iter (buffer, &start);
 625
 626         if (!spell_checker) {
 627                 gtk_text_buffer_get_end_iter (buffer, &end);
 628                 gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 629                 return;
 630         }
 631
 632         if (!empathy_spell_supported ()) {
 633                 return;
 634         }
 635
 636         /* NOTE: this is really inefficient, we shouldn't have to
 637            reiterate the whole buffer each time and check each work
 638            every time. */
 639         while (TRUE) {
 640                 gboolean correct = FALSE;
 641
 642                 /* if at start */
 643                 if (gtk_text_iter_is_start (&start)) {
 644                         end = start;
 645
 646                         if (!gtk_text_iter_forward_word_end (&end)) {
 647                                 /* no whole word yet */
 648                                 break;
 649                         }
 650                 } else {
 651                         if (!gtk_text_iter_forward_word_end (&end)) {
 652                                 /* must be the end of the buffer */
 653                                 break;
 654                         }
 655
 656                         start = end;
 657                         gtk_text_iter_backward_word_start (&start);
 658                 }
 659
 660                 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 661
 662                 /* spell check string if not a command */
 663                 if (str[0] != '/') {
 664                         correct = empathy_spell_check (str);
 665                 } else {
 666                         correct = TRUE;
 667                 }
 668
 669                 if (!correct) {
 670                         gtk_text_buffer_apply_tag_by_name (buffer, "misspelled", &start, &end);
 671                 } else {
 672                         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 673                 }
 674
 675                 g_free (str);
 676
 677                 /* set start iter to the end iters position */
 678                 start = end;
 679         }
 680 }
 681
 682 static gboolean
 683 chat_input_key_press_event_cb (GtkWidget   *widget,
 684                                GdkEventKey *event,
 685                                EmpathyChat *chat)
 686 {
 687         EmpathyChatPriv *priv;
 688         GtkAdjustment  *adj;
 689         gdouble         val;
 690         GtkWidget      *text_view_sw;
 691
 692         priv = GET_PRIV (chat);
 693
 694         /* Catch ctrl+up/down so we can traverse messages we sent */
 695         if ((event->state & GDK_CONTROL_MASK) &&
 696             (event->keyval == GDK_Up ||
 697              event->keyval == GDK_Down)) {
 698                 GtkTextBuffer *buffer;
 699                 const gchar   *str;
 700
 701                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 702
 703                 if (event->keyval == GDK_Up) {
 704                         str = chat_sent_message_get_next (chat);
 705                 } else {
 706                         str = chat_sent_message_get_last (chat);
 707                 }
 708
 709                 g_signal_handlers_block_by_func (buffer,
 710                                                  chat_input_text_buffer_changed_cb,
 711                                                  chat);
 712                 gtk_text_buffer_set_text (buffer, str ? str : "", -1);
 713                 g_signal_handlers_unblock_by_func (buffer,
 714                                                    chat_input_text_buffer_changed_cb,
 715                                                    chat);
 716
 717                 return TRUE;
 718         }
 719
 720         /* Catch enter but not ctrl/shift-enter */
 721         if (IS_ENTER (event->keyval) &&
 722             !(event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
 723                 GtkTextView *view;
 724
 725                 /* This is to make sure that kinput2 gets the enter. And if
 726                  * it's handled there we shouldn't send on it. This is because
 727                  * kinput2 uses Enter to commit letters. See:
 728                  * http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104299
 729                  */
 730
 731                 view = GTK_TEXT_VIEW (chat->input_text_view);
 732                 if (gtk_im_context_filter_keypress (view->im_context, event)) {
 733                         GTK_TEXT_VIEW (chat->input_text_view)->need_im_reset = TRUE;
 734                         return TRUE;
 735                 }
 736
 737                 chat_input_text_view_send (chat);
 738                 return TRUE;
 739         }
 740
 741         text_view_sw = gtk_widget_get_parent (GTK_WIDGET (chat->view));
 742
 743         if (IS_ENTER (event->keyval) &&
 744             (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
 745                 /* Newline for shift/control-enter. */
 746                 return FALSE;
 747         }
 748         if (!(event->state & GDK_CONTROL_MASK) &&
 749             event->keyval == GDK_Page_Up) {
 750                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 751                 gtk_adjustment_set_value (adj, adj->value - adj->page_size);
 752                 return TRUE;
 753         }
 754         if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 755             event->keyval == GDK_Page_Down) {
 756                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 757                 val = MIN (adj->value + adj->page_size, adj->upper - adj->page_size);
 758                 gtk_adjustment_set_value (adj, val);
 759                 return TRUE;
 760         }
 761         if (!(event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) &&
 762             event->keyval == GDK_Tab) {
 763                 GtkTextBuffer *buffer;
 764                 GtkTextIter    start, current;
 765                 gchar         *nick, *completed;
 766                 GList         *list, *completed_list;
 767                 gboolean       is_start_of_buffer;
 768
 769                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (EMPATHY_CHAT (chat)->input_text_view));
 770                 gtk_text_buffer_get_iter_at_mark (buffer, &current, gtk_text_buffer_get_insert (buffer));
 771
 772                 /* Get the start of the nick to complete. */
 773                 gtk_text_buffer_get_iter_at_mark (buffer, &start, gtk_text_buffer_get_insert (buffer));
 774                 gtk_text_iter_backward_word_start (&start);
 775                 is_start_of_buffer = gtk_text_iter_is_start (&start);
 776
 777                 list = empathy_contact_list_get_members (EMPATHY_CONTACT_LIST (priv->tp_chat));
 778                 g_completion_add_items (priv->completion, list);
 779
 780                 nick = gtk_text_buffer_get_text (buffer, &start, &current, FALSE);
 781                 completed_list = g_completion_complete (priv->completion,
 782                                                         nick,
 783                                                         &completed);
 784
 785                 g_free (nick);
 786
 787                 if (completed) {
 788                         guint        len;
 789                         const gchar *text;
 790                         gchar       *complete_char = NULL;
 791
 792                         gtk_text_buffer_delete (buffer, &start, &current);
 793
 794                         len = g_list_length (completed_list);
 795
 796                         if (len == 1) {
 797                                 /* If we only have one hit, use that text
 798                                  * instead of the text in completed since the
 799                                  * completed text will use the typed string
 800                                  * which might be cased all wrong.
 801                                  * Fixes #120876
 802                                  * */
 803                                 text = empathy_contact_get_name (completed_list->data);
 804                         } else {
 805                                 text = completed;
 806                         }
 807
 808                         gtk_text_buffer_insert_at_cursor (buffer, text, strlen (text));
 809
 810                         if (len == 1 && is_start_of_buffer &&
 811                             empathy_conf_get_string (empathy_conf_get (),
 812                                                      EMPATHY_PREFS_CHAT_NICK_COMPLETION_CHAR,
 813                                                      &complete_char) &&
 814                             complete_char != NULL) {
 815                                 gtk_text_buffer_insert_at_cursor (buffer,
 816                                                                   complete_char,
 817                                                                   strlen (complete_char));
 818                                 gtk_text_buffer_insert_at_cursor (buffer, " ", 1);
 819                                 g_free (complete_char);
 820                         }
 821
 822                         g_free (completed);
 823                 }
 824
 825                 g_completion_clear_items (priv->completion);
 826
 827                 g_list_foreach (list, (GFunc) g_object_unref, NULL);
 828                 g_list_free (list);
 829
 830                 return TRUE;
 831         }
 832
 833         return FALSE;
 834 }
 835
 836 static gboolean
 837 chat_text_view_focus_in_event_cb (GtkWidget  *widget,
 838                                   GdkEvent   *event,
 839                                   EmpathyChat *chat)
 840 {
 841         gtk_widget_grab_focus (chat->input_text_view);
 842
 843         return TRUE;
 844 }
 845
 846 static gboolean
 847 chat_input_set_size_request_idle (gpointer sw)
 848 {
 849         gtk_widget_set_size_request (sw, -1, MAX_INPUT_HEIGHT);
 850
 851         return FALSE;
 852 }
 853
 854 static void
 855 chat_input_size_request_cb (GtkWidget      *widget,
 856                             GtkRequisition *requisition,
 857                             EmpathyChat    *chat)
 858 {
 859         EmpathyChatPriv *priv = GET_PRIV (chat);
 860         GtkWidget       *sw;
 861
 862         sw = gtk_widget_get_parent (widget);
 863         if (requisition->height >= MAX_INPUT_HEIGHT && !priv->has_input_vscroll) {
 864                 g_idle_add (chat_input_set_size_request_idle, sw);
 865                 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 866                                                 GTK_POLICY_NEVER,
 867                                                 GTK_POLICY_ALWAYS);
 868                 priv->has_input_vscroll = TRUE;
 869         }
 870
 871         if (requisition->height < MAX_INPUT_HEIGHT && priv->has_input_vscroll) {
 872                 gtk_widget_set_size_request (sw, -1, -1);
 873                 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 874                                                 GTK_POLICY_NEVER,
 875                                                 GTK_POLICY_NEVER);
 876                 priv->has_input_vscroll = FALSE;
 877         }
 878 }
 879
 880 static void
 881 chat_input_realize_cb (GtkWidget   *widget,
 882                        EmpathyChat *chat)
 883 {
 884         DEBUG ("Setting focus to the input text view");
 885         gtk_widget_grab_focus (widget);
 886 }
 887
 888 static void
 889 chat_insert_smiley_activate_cb (EmpathySmileyManager *manager,
 890                                 EmpathySmiley        *smiley,
 891                                 gpointer              user_data)
 892 {
 893         EmpathyChat   *chat = EMPATHY_CHAT (user_data);
 894         GtkTextBuffer *buffer;
 895         GtkTextIter    iter;
 896
 897         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 898
 899         gtk_text_buffer_get_end_iter (buffer, &iter);
 900         gtk_text_buffer_insert (buffer, &iter, smiley->str, -1);
 901
 902         gtk_text_buffer_get_end_iter (buffer, &iter);
 903         gtk_text_buffer_insert (buffer, &iter, " ", -1);
 904 }
 905
 906 typedef struct {
 907         EmpathyChat  *chat;
 908         gchar       *word;
 909
 910         GtkTextIter  start;
 911         GtkTextIter  end;
 912 } EmpathyChatSpell;
 913
 914 static EmpathyChatSpell *
 915 chat_spell_new (EmpathyChat  *chat,
 916                 const gchar *word,
 917                 GtkTextIter  start,
 918                 GtkTextIter  end)
 919 {
 920         EmpathyChatSpell *chat_spell;
 921
 922         chat_spell = g_slice_new0 (EmpathyChatSpell);
 923
 924         chat_spell->chat = g_object_ref (chat);
 925         chat_spell->word = g_strdup (word);
 926         chat_spell->start = start;
 927         chat_spell->end = end;
 928
 929         return chat_spell;
 930 }
 931
 932 static void
 933 chat_spell_free (EmpathyChatSpell *chat_spell)
 934 {
 935         g_object_unref (chat_spell->chat);
 936         g_free (chat_spell->word);
 937         g_slice_free (EmpathyChatSpell, chat_spell);
 938 }
 939
 940 static void
 941 chat_spelling_menu_activate_cb (GtkMenuItem     *menu_item,
 942                                                 EmpathyChatSpell *chat_spell)
 943 {
 944     empathy_chat_correct_word (chat_spell->chat,
 945                                &(chat_spell->start),
 946                                &(chat_spell->end),
 947                                gtk_menu_item_get_label (menu_item));
 948 }
 949
 950 static GtkWidget *
 951 chat_spelling_build_menu (EmpathyChatSpell *chat_spell)
 952 {
 953     GtkWidget *menu, *menu_item;
 954     GList     *suggestions, *l;
 955
 956     menu = gtk_menu_new ();
 957     suggestions = empathy_spell_get_suggestions (chat_spell->word);
 958     if (suggestions == NULL) {
 959         menu_item = gtk_menu_item_new_with_label (_("(No Suggestions)"));
 960         gtk_widget_set_sensitive (menu_item, FALSE);
 961         gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item);
 962     } else {
 963         for (l = suggestions; l; l = l->next) {
 964             menu_item = gtk_menu_item_new_with_label (l->data);
 965             g_signal_connect (G_OBJECT (menu_item),
 966                           "activate",
 967                           G_CALLBACK (chat_spelling_menu_activate_cb),
 968                           chat_spell);
 969             gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item);
 970         }
 971     }
 972     empathy_spell_free_suggestions (suggestions);
 973
 974     gtk_widget_show_all (menu);
 975
 976     return menu;
 977 }
 978
 979 static void
 980 chat_text_send_cb (GtkMenuItem *menuitem,
 981                    EmpathyChat *chat)
 982 {
 983         chat_input_text_view_send (chat);
 984 }
 985
 986 static void
 987 chat_input_populate_popup_cb (GtkTextView *view,
 988                               GtkMenu     *menu,
 989                               EmpathyChat *chat)
 990 {
 991         EmpathyChatPriv      *priv;
 992         GtkTextBuffer        *buffer;
 993         GtkTextTagTable      *table;
 994         GtkTextTag           *tag;
 995         gint                  x, y;
 996         GtkTextIter           iter, start, end;
 997         GtkWidget            *item;
 998         gchar                *str = NULL;
 999         EmpathyChatSpell     *chat_spell;
1000         GtkWidget            *spell_menu;
1001         EmpathySmileyManager *smiley_manager;
1002         GtkWidget            *smiley_menu;
1003         GtkWidget            *image;
1004
1005         priv = GET_PRIV (chat);
1006         buffer = gtk_text_view_get_buffer (view);
1007
1008         /* Add the emoticon menu. */
1009         item = gtk_separator_menu_item_new ();
1010         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1011         gtk_widget_show (item);
1012
1013         item = gtk_image_menu_item_new_with_mnemonic (_("Insert Smiley"));
1014         image = gtk_image_new_from_icon_name ("face-smile",
1015                                               GTK_ICON_SIZE_MENU);
1016         gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
1017         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1018         gtk_widget_show (item);
1019
1020         smiley_manager = empathy_smiley_manager_dup_singleton ();
1021         smiley_menu = empathy_smiley_menu_new (smiley_manager,
1022                                                chat_insert_smiley_activate_cb,
1023                                                chat);
1024         gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu);
1025         g_object_unref (smiley_manager);
1026
1027         /* Add the Send menu item. */
1028         gtk_text_buffer_get_bounds (buffer, &start, &end);
1029         str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1030         if (!EMP_STR_EMPTY (str)) {
1031                 item = gtk_menu_item_new_with_mnemonic (_("_Send"));
1032                 g_signal_connect (G_OBJECT (item), "activate",
1033                                   G_CALLBACK (chat_text_send_cb), chat);
1034                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1035                 gtk_widget_show (item);
1036         }
1037         str = NULL;
1038
1039         /* Add the spell check menu item. */
1040         table = gtk_text_buffer_get_tag_table (buffer);
1041         tag = gtk_text_tag_table_lookup (table, "misspelled");
1042         gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
1043         gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
1044                                                GTK_TEXT_WINDOW_WIDGET,
1045                                                x, y,
1046                                                &x, &y);
1047         gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y);
1048         start = end = iter;
1049         if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
1050             gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
1051
1052                 str = gtk_text_buffer_get_text (buffer,
1053                                                 &start, &end, FALSE);
1054         }
1055         if (!EMP_STR_EMPTY (str)) {
1056                 chat_spell = chat_spell_new (chat, str, start, end);
1057                 g_object_set_data_full (G_OBJECT (menu),
1058                                         "chat_spell", chat_spell,
1059                                         (GDestroyNotify) chat_spell_free);
1060
1061                 item = gtk_separator_menu_item_new ();
1062                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1063                 gtk_widget_show (item);
1064
1065                 item = gtk_image_menu_item_new_with_mnemonic (_("_Spelling Suggestions"));
1066                 image = gtk_image_new_from_icon_name (GTK_STOCK_SPELL_CHECK,
1067                                                       GTK_ICON_SIZE_MENU);
1068                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
1069
1070                 spell_menu = chat_spelling_build_menu (chat_spell);
1071                 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), spell_menu);
1072
1073                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1074                 gtk_widget_show (item);
1075         }
1076 }
1077
1078 static gboolean
1079 chat_log_filter (EmpathyMessage *message,
1080                  gpointer user_data)
1081 {
1082         EmpathyChat *chat = (EmpathyChat *) user_data;
1083         EmpathyChatPriv *priv = GET_PRIV (chat);
1084         const GList *pending;
1085
1086         pending = empathy_tp_chat_get_pending_messages (priv->tp_chat);
1087
1088         for (; pending; pending = g_list_next (pending)) {
1089                 if (empathy_message_equal (message, pending->data)) {
1090                         return FALSE;
1091                 }
1092         }
1093
1094         return TRUE;
1095 }
1096
1097 static void
1098 chat_add_logs (EmpathyChat *chat)
1099 {
1100         EmpathyChatPriv *priv = GET_PRIV (chat);
1101         gboolean         is_chatroom;
1102         GList           *messages, *l;
1103
1104         if (!priv->id) {
1105                 return;
1106         }
1107
1108         /* Turn off scrolling temporarily */
1109         empathy_chat_view_scroll (chat->view, FALSE);
1110
1111         /* Add messages from last conversation */
1112         is_chatroom = priv->handle_type == TP_HANDLE_TYPE_ROOM;
1113
1114         messages = empathy_log_manager_get_filtered_messages (priv->log_manager,
1115                                                               priv->account,
1116                                                               priv->id,
1117                                                               is_chatroom,
1118                                                               5,
1119                                                               chat_log_filter,
1120                                                               chat);
1121
1122         for (l = messages; l; l = g_list_next (l)) {
1123                 empathy_chat_view_append_message (chat->view, l->data);
1124                 g_object_unref (l->data);
1125         }
1126
1127         g_list_free (messages);
1128
1129         /* Turn back on scrolling */
1130         empathy_chat_view_scroll (chat->view, TRUE);
1131 }
1132
1133 static gint
1134 chat_contacts_completion_func (const gchar *s1,
1135                                const gchar *s2,
1136                                gsize        n)
1137 {
1138         gchar *tmp, *nick1, *nick2;
1139         gint   ret;
1140
1141         if (s1 == s2) {
1142                 return 0;
1143         }
1144         if (!s1 || !s2) {
1145                 return s1 ? -1 : +1;
1146         }
1147
1148         tmp = g_utf8_normalize (s1, -1, G_NORMALIZE_DEFAULT);
1149         nick1 = g_utf8_casefold (tmp, -1);
1150         g_free (tmp);
1151
1152         tmp = g_utf8_normalize (s2, -1, G_NORMALIZE_DEFAULT);
1153         nick2 = g_utf8_casefold (tmp, -1);
1154         g_free (tmp);
1155
1156         ret = strncmp (nick1, nick2, n);
1157
1158         g_free (nick1);
1159         g_free (nick2);
1160
1161         return ret;
1162 }
1163
1164 static void
1165 chat_members_changed_cb (EmpathyTpChat  *tp_chat,
1166                          EmpathyContact *contact,
1167                          EmpathyContact *actor,
1168                          guint           reason,
1169                          gchar          *message,
1170                          gboolean        is_member,
1171                          EmpathyChat    *chat)
1172 {
1173         EmpathyChatPriv *priv = GET_PRIV (chat);
1174
1175         if (priv->block_events_timeout_id == 0) {
1176                 gchar *str;
1177
1178                 if (is_member) {
1179                         str = g_strdup_printf (_("%s has joined the room"),
1180                                                empathy_contact_get_name (contact));
1181                 } else {
1182                         str = g_strdup_printf (_("%s has left the room"),
1183                                                empathy_contact_get_name (contact));
1184                 }
1185                 empathy_chat_view_append_event (chat->view, str);
1186                 g_free (str);
1187         }
1188 }
1189
1190 static gboolean
1191 chat_reset_size_request (gpointer widget)
1192 {
1193         gtk_widget_set_size_request (widget, -1, -1);
1194
1195         return FALSE;
1196 }
1197
1198 static void
1199 chat_update_contacts_visibility (EmpathyChat *chat)
1200 {
1201         EmpathyChatPriv *priv = GET_PRIV (chat);
1202         gboolean show;
1203
1204         show = priv->remote_contact == NULL && priv->show_contacts;
1205
1206         if (!priv->scrolled_window_contacts) {
1207                 return;
1208         }
1209
1210         if (show && priv->contact_list_view == NULL) {
1211                 EmpathyContactListStore *store;
1212                 gint                     min_width;
1213
1214                 /* We are adding the contact list to the chat, we don't want the
1215                  * chat view to become too small. If the chat view is already
1216                  * smaller than 250 make sure that size won't change. If the
1217                  * chat view is bigger the contact list will take some space on
1218                  * it but we make sure the chat view don't become smaller than
1219                  * 250. Relax the size request once the resize is done */
1220                 min_width = MIN (priv->vbox_left->allocation.width, 250);
1221                 gtk_widget_set_size_request (priv->vbox_left, min_width, -1);
1222                 g_idle_add (chat_reset_size_request, priv->vbox_left);
1223
1224                 if (priv->contacts_width > 0) {
1225                         gtk_paned_set_position (GTK_PANED (priv->hpaned),
1226                                                 priv->contacts_width);
1227                 }
1228
1229                 store = empathy_contact_list_store_new (EMPATHY_CONTACT_LIST (priv->tp_chat));
1230                 priv->contact_list_view = GTK_WIDGET (empathy_contact_list_view_new (store,
1231                         EMPATHY_CONTACT_LIST_FEATURE_CONTACT_TOOLTIP,
1232                         EMPATHY_CONTACT_FEATURE_CHAT |
1233                         EMPATHY_CONTACT_FEATURE_CALL |
1234                         EMPATHY_CONTACT_FEATURE_LOG |
1235                         EMPATHY_CONTACT_FEATURE_INFO));
1236                 gtk_container_add (GTK_CONTAINER (priv->scrolled_window_contacts),
1237                                    priv->contact_list_view);
1238                 gtk_widget_show (priv->contact_list_view);
1239                 gtk_widget_show (priv->scrolled_window_contacts);
1240                 g_object_unref (store);
1241         } else if (!show) {
1242                 priv->contacts_width = gtk_paned_get_position (GTK_PANED (priv->hpaned));
1243                 gtk_widget_hide (priv->scrolled_window_contacts);
1244                 if (priv->contact_list_view != NULL) {
1245                         gtk_widget_destroy (priv->contact_list_view);
1246                         priv->contact_list_view = NULL;
1247                 }
1248         }
1249 }
1250
1251 void
1252 empathy_chat_set_show_contacts (EmpathyChat *chat,
1253                                 gboolean     show)
1254 {
1255         EmpathyChatPriv *priv = GET_PRIV (chat);
1256
1257         priv->show_contacts = show;
1258
1259         chat_update_contacts_visibility (chat);
1260
1261         g_object_notify (G_OBJECT (chat), "show-contacts");
1262 }
1263
1264 static void
1265 chat_remote_contact_changed_cb (EmpathyChat *chat)
1266 {
1267         EmpathyChatPriv *priv = GET_PRIV (chat);
1268
1269         if (priv->remote_contact != NULL) {
1270                 g_object_unref (priv->remote_contact);
1271                 priv->remote_contact = NULL;
1272         }
1273
1274         priv->remote_contact = empathy_tp_chat_get_remote_contact (priv->tp_chat);
1275         if (priv->remote_contact != NULL) {
1276                 g_object_ref (priv->remote_contact);
1277                 priv->handle_type = TP_HANDLE_TYPE_CONTACT;
1278                 g_free (priv->id);
1279                 priv->id = g_strdup (empathy_contact_get_id (priv->remote_contact));
1280         }
1281         else if (priv->tp_chat != NULL) {
1282                 TpChannel *channel;
1283
1284                 channel = empathy_tp_chat_get_channel (priv->tp_chat);
1285                 g_object_get (channel, "handle-type", &priv->handle_type, NULL);
1286                 g_free (priv->id);
1287                 priv->id = g_strdup (empathy_tp_chat_get_id (priv->tp_chat));
1288         }
1289
1290         chat_update_contacts_visibility (chat);
1291
1292         g_object_notify (G_OBJECT (chat), "remote-contact");
1293         g_object_notify (G_OBJECT (chat), "id");
1294 }
1295
1296 static void
1297 chat_destroy_cb (EmpathyTpChat *tp_chat,
1298                  EmpathyChat   *chat)
1299 {
1300         EmpathyChatPriv *priv;
1301
1302         priv = GET_PRIV (chat);
1303
1304         if (!priv->tp_chat) {
1305                 return;
1306         }
1307
1308         chat_composing_remove_timeout (chat);
1309         g_object_unref (priv->tp_chat);
1310         priv->tp_chat = NULL;
1311         g_object_notify (G_OBJECT (chat), "tp-chat");
1312
1313         empathy_chat_view_append_event (chat->view, _("Disconnected"));
1314         gtk_widget_set_sensitive (chat->input_text_view, FALSE);
1315         empathy_chat_set_show_contacts (chat, FALSE);
1316 }
1317
1318 static void
1319 show_pending_messages (EmpathyChat *chat) {
1320         EmpathyChatPriv *priv = GET_PRIV (chat);
1321         const GList *messages, *l;
1322
1323         if (chat->view == NULL || priv->tp_chat == NULL)
1324                 return;
1325
1326         messages = empathy_tp_chat_get_pending_messages (priv->tp_chat);
1327
1328         for (l = messages; l != NULL ; l = g_list_next (l)) {
1329                 EmpathyMessage *message = EMPATHY_MESSAGE (l->data);
1330                 chat_message_received (chat, message);
1331         }
1332         empathy_tp_chat_acknowledge_messages (priv->tp_chat, messages);
1333 }
1334
1335 static void
1336 chat_create_ui (EmpathyChat *chat)
1337 {
1338         EmpathyChatPriv *priv = GET_PRIV (chat);
1339         GtkBuilder      *gui;
1340         GList           *list = NULL;
1341         gchar           *filename;
1342         GtkTextBuffer   *buffer;
1343
1344         filename = empathy_file_lookup ("empathy-chat.ui",
1345                                         "libempathy-gtk");
1346         gui = empathy_builder_get_file (filename,
1347                                         "chat_widget", &priv->widget,
1348                                         "hpaned", &priv->hpaned,
1349                                         "vbox_left", &priv->vbox_left,
1350                                         "scrolled_window_chat", &priv->scrolled_window_chat,
1351                                         "scrolled_window_input", &priv->scrolled_window_input,
1352                                         "hbox_topic", &priv->hbox_topic,
1353                                         "label_topic", &priv->label_topic,
1354                                         "scrolled_window_contacts", &priv->scrolled_window_contacts,
1355                                         NULL);
1356         g_free (filename);
1357
1358         /* Add message view. */
1359         chat->view = empathy_theme_manager_create_view (empathy_theme_manager_get ());
1360         g_signal_connect (chat->view, "focus_in_event",
1361                           G_CALLBACK (chat_text_view_focus_in_event_cb),
1362                           chat);
1363         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat),
1364                            GTK_WIDGET (chat->view));
1365         gtk_widget_show (GTK_WIDGET (chat->view));
1366
1367         /* Add input GtkTextView */
1368         chat->input_text_view = g_object_new (GTK_TYPE_TEXT_VIEW,
1369                                               "pixels-above-lines", 2,
1370                                               "pixels-below-lines", 2,
1371                                               "pixels-inside-wrap", 1,
1372                                               "right-margin", 2,
1373                                               "left-margin", 2,
1374                                               "wrap-mode", GTK_WRAP_WORD_CHAR,
1375                                               NULL);
1376         g_signal_connect (chat->input_text_view, "key-press-event",
1377                           G_CALLBACK (chat_input_key_press_event_cb),
1378                           chat);
1379         g_signal_connect (chat->input_text_view, "size-request",
1380                           G_CALLBACK (chat_input_size_request_cb),
1381                           chat);
1382         g_signal_connect (chat->input_text_view, "realize",
1383                           G_CALLBACK (chat_input_realize_cb),
1384                           chat);
1385         g_signal_connect (chat->input_text_view, "populate-popup",
1386                           G_CALLBACK (chat_input_populate_popup_cb),
1387                           chat);
1388         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1389         g_signal_connect (buffer, "changed",
1390                           G_CALLBACK (chat_input_text_buffer_changed_cb),
1391                           chat);
1392         gtk_text_buffer_create_tag (buffer, "misspelled",
1393                                     "underline", PANGO_UNDERLINE_ERROR,
1394                                     NULL);
1395         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input),
1396                            chat->input_text_view);
1397         gtk_widget_show (chat->input_text_view);
1398
1399         /* Create contact list */
1400         chat_update_contacts_visibility (chat);
1401
1402         /* Initialy hide the topic, will be shown if not empty */
1403         gtk_widget_hide (priv->hbox_topic);
1404
1405         /* Set widget focus order */
1406         list = g_list_append (NULL, priv->scrolled_window_input);
1407         gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list);
1408         g_list_free (list);
1409
1410         list = g_list_append (NULL, priv->vbox_left);
1411         list = g_list_append (list, priv->scrolled_window_contacts);
1412         gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list);
1413         g_list_free (list);
1414
1415         list = g_list_append (NULL, priv->hpaned);
1416         list = g_list_append (list, priv->hbox_topic);
1417         gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list);
1418         g_list_free (list);
1419
1420         /* Add the main widget in the chat widget */
1421         gtk_container_add (GTK_CONTAINER (chat), priv->widget);
1422         g_object_unref (gui);
1423 }
1424
1425 static void
1426 chat_size_request (GtkWidget      *widget,
1427                    GtkRequisition *requisition)
1428 {
1429   GtkBin *bin = GTK_BIN (widget);
1430
1431   requisition->width = GTK_CONTAINER (widget)->border_width * 2;
1432   requisition->height = GTK_CONTAINER (widget)->border_width * 2;
1433
1434   if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
1435     {
1436       GtkRequisition child_requisition;
1437
1438       gtk_widget_size_request (bin->child, &child_requisition);
1439
1440       requisition->width += child_requisition.width;
1441       requisition->height += child_requisition.height;
1442     }
1443 }
1444
1445 static void
1446 chat_size_allocate (GtkWidget     *widget,
1447                     GtkAllocation *allocation)
1448 {
1449   GtkBin *bin = GTK_BIN (widget);
1450   GtkAllocation child_allocation;
1451
1452   widget->allocation = *allocation;
1453
1454   if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
1455     {
1456       child_allocation.x = allocation->x + GTK_CONTAINER (widget)->border_width;
1457       child_allocation.y = allocation->y + GTK_CONTAINER (widget)->border_width;
1458       child_allocation.width = MAX (allocation->width - GTK_CONTAINER (widget)->border_width * 2, 0);
1459       child_allocation.height = MAX (allocation->height - GTK_CONTAINER (widget)->border_width * 2, 0);
1460
1461       gtk_widget_size_allocate (bin->child, &child_allocation);
1462     }
1463 }
1464
1465 static void
1466 chat_finalize (GObject *object)
1467 {
1468         EmpathyChat     *chat;
1469         EmpathyChatPriv *priv;
1470
1471         chat = EMPATHY_CHAT (object);
1472         priv = GET_PRIV (chat);
1473
1474         DEBUG ("Finalized: %p", object);
1475
1476         g_slist_foreach (priv->sent_messages, (GFunc) g_free, NULL);
1477         g_slist_free (priv->sent_messages);
1478
1479         g_list_foreach (priv->compositors, (GFunc) g_object_unref, NULL);
1480         g_list_free (priv->compositors);
1481
1482         chat_composing_remove_timeout (chat);
1483
1484         g_signal_handlers_disconnect_by_func (priv->account_manager,
1485                                               chat_new_connection_cb, object);
1486
1487         g_object_unref (priv->account_manager);
1488         g_object_unref (priv->log_manager);
1489
1490         if (priv->tp_chat) {
1491                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1492                         chat_destroy_cb, chat);
1493                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1494                         chat_message_received_cb, chat);
1495                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1496                         chat_send_error_cb, chat);
1497                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1498                         chat_state_changed_cb, chat);
1499                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1500                         chat_property_changed_cb, chat);
1501                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1502                         chat_members_changed_cb, chat);
1503                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1504                         chat_remote_contact_changed_cb, chat);
1505                 empathy_tp_chat_close (priv->tp_chat);
1506                 g_object_unref (priv->tp_chat);
1507         }
1508         if (priv->account) {
1509                 g_object_unref (priv->account);
1510         }
1511         if (priv->remote_contact) {
1512                 g_object_unref (priv->remote_contact);
1513         }
1514
1515         if (priv->block_events_timeout_id) {
1516                 g_source_remove (priv->block_events_timeout_id);
1517         }
1518
1519         g_free (priv->id);
1520         g_free (priv->name);
1521         g_free (priv->subject);
1522         g_completion_free (priv->completion);
1523
1524         G_OBJECT_CLASS (empathy_chat_parent_class)->finalize (object);
1525 }
1526
1527 static void
1528 chat_constructed (GObject *object)
1529 {
1530         EmpathyChat *chat = EMPATHY_CHAT (object);
1531
1532         chat_create_ui (chat);
1533         chat_add_logs (chat);
1534         show_pending_messages (chat);
1535 }
1536
1537 static void
1538 empathy_chat_class_init (EmpathyChatClass *klass)
1539 {
1540         GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
1541         GObjectClass   *object_class = G_OBJECT_CLASS (klass);
1542
1543         object_class->finalize = chat_finalize;
1544         object_class->get_property = chat_get_property;
1545         object_class->set_property = chat_set_property;
1546         object_class->constructed = chat_constructed;
1547
1548         widget_class->size_request = chat_size_request;
1549         widget_class->size_allocate = chat_size_allocate;
1550
1551         g_object_class_install_property (object_class,
1552                                          PROP_TP_CHAT,
1553                                          g_param_spec_object ("tp-chat",
1554                                                               "Empathy tp chat",
1555                                                               "The tp chat object",
1556                                                               EMPATHY_TYPE_TP_CHAT,
1557                                                               G_PARAM_CONSTRUCT |
1558                                                               G_PARAM_READWRITE |
1559                                                               G_PARAM_STATIC_STRINGS));
1560         g_object_class_install_property (object_class,
1561                                          PROP_ACCOUNT,
1562                                          g_param_spec_object ("account",
1563                                                               "Account of the chat",
1564                                                               "The account of the chat",
1565                                                               MC_TYPE_ACCOUNT,
1566                                                               G_PARAM_READABLE |
1567                                                               G_PARAM_STATIC_STRINGS));
1568         g_object_class_install_property (object_class,
1569                                          PROP_ID,
1570                                          g_param_spec_string ("id",
1571                                                               "Chat's id",
1572                                                               "The id of the chat",
1573                                                               NULL,
1574                                                               G_PARAM_READABLE |
1575                                                               G_PARAM_STATIC_STRINGS));
1576         g_object_class_install_property (object_class,
1577                                          PROP_NAME,
1578                                          g_param_spec_string ("name",
1579                                                               "Chat's name",
1580                                                               "The name of the chat",
1581                                                               NULL,
1582                                                               G_PARAM_READABLE |
1583                                                               G_PARAM_STATIC_STRINGS));
1584         g_object_class_install_property (object_class,
1585                                          PROP_SUBJECT,
1586                                          g_param_spec_string ("subject",
1587                                                               "Chat's subject",
1588                                                               "The subject or topic of the chat",
1589                                                               NULL,
1590                                                               G_PARAM_READABLE |
1591                                                               G_PARAM_STATIC_STRINGS));
1592         g_object_class_install_property (object_class,
1593                                          PROP_REMOTE_CONTACT,
1594                                          g_param_spec_object ("remote-contact",
1595                                                               "The remote contact",
1596                                                               "The remote contact is any",
1597                                                               EMPATHY_TYPE_CONTACT,
1598                                                               G_PARAM_READABLE |
1599                                                               G_PARAM_STATIC_STRINGS));
1600         g_object_class_install_property (object_class,
1601                                          PROP_SHOW_CONTACTS,
1602                                          g_param_spec_boolean ("show-contacts",
1603                                                                "Contacts' visibility",
1604                                                                "The visibility of the contacts' list",
1605                                                                TRUE,
1606                                                                G_PARAM_READWRITE |
1607                                                                G_PARAM_STATIC_STRINGS));
1608
1609         signals[COMPOSING] =
1610                 g_signal_new ("composing",
1611                               G_OBJECT_CLASS_TYPE (object_class),
1612                               G_SIGNAL_RUN_LAST,
1613                               0,
1614                               NULL, NULL,
1615                               g_cclosure_marshal_VOID__BOOLEAN,
1616                               G_TYPE_NONE,
1617                               1, G_TYPE_BOOLEAN);
1618
1619         signals[NEW_MESSAGE] =
1620                 g_signal_new ("new-message",
1621                               G_OBJECT_CLASS_TYPE (object_class),
1622                               G_SIGNAL_RUN_LAST,
1623                               0,
1624                               NULL, NULL,
1625                               g_cclosure_marshal_VOID__OBJECT,
1626                               G_TYPE_NONE,
1627                               1, EMPATHY_TYPE_MESSAGE);
1628
1629         g_type_class_add_private (object_class, sizeof (EmpathyChatPriv));
1630 }
1631
1632 static gboolean
1633 chat_block_events_timeout_cb (gpointer data)
1634 {
1635         EmpathyChatPriv *priv = GET_PRIV (data);
1636
1637         priv->block_events_timeout_id = 0;
1638
1639         return FALSE;
1640 }
1641
1642 static void
1643 empathy_chat_init (EmpathyChat *chat)
1644 {
1645         EmpathyChatPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chat,
1646                 EMPATHY_TYPE_CHAT, EmpathyChatPriv);
1647
1648         chat->priv = priv;
1649         priv->log_manager = empathy_log_manager_dup_singleton ();
1650         priv->contacts_width = -1;
1651         priv->sent_messages = NULL;
1652         priv->sent_messages_index = -1;
1653         priv->account_manager = empathy_account_manager_dup_singleton ();
1654
1655         g_signal_connect (priv->account_manager,
1656                           "new-connection",
1657                           G_CALLBACK (chat_new_connection_cb),
1658                           chat);
1659
1660         empathy_conf_get_bool (empathy_conf_get (),
1661                                EMPATHY_PREFS_CHAT_SHOW_CONTACTS_IN_ROOMS,
1662                                &priv->show_contacts);
1663
1664         /* Block events for some time to avoid having "has come online" or
1665          * "joined" messages. */
1666         priv->block_events_timeout_id =
1667                 g_timeout_add_seconds (1, chat_block_events_timeout_cb, chat);
1668
1669         /* Add nick name completion */
1670         priv->completion = g_completion_new ((GCompletionFunc) empathy_contact_get_name);
1671         g_completion_set_compare (priv->completion, chat_contacts_completion_func);
1672 }
1673
1674 EmpathyChat *
1675 empathy_chat_new (EmpathyTpChat *tp_chat)
1676 {
1677         return g_object_new (EMPATHY_TYPE_CHAT, "tp-chat", tp_chat, NULL);
1678 }
1679
1680 EmpathyTpChat *
1681 empathy_chat_get_tp_chat (EmpathyChat *chat)
1682 {
1683         EmpathyChatPriv *priv = GET_PRIV (chat);
1684
1685         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1686
1687         return priv->tp_chat;
1688 }
1689
1690 void
1691 empathy_chat_set_tp_chat (EmpathyChat   *chat,
1692                           EmpathyTpChat *tp_chat)
1693 {
1694         EmpathyChatPriv *priv = GET_PRIV (chat);
1695         TpConnection    *connection;
1696
1697         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1698         g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
1699         g_return_if_fail (empathy_tp_chat_is_ready (tp_chat));
1700
1701         if (priv->tp_chat) {
1702                 return;
1703         }
1704
1705         if (priv->account) {
1706                 g_object_unref (priv->account);
1707         }
1708
1709         priv->tp_chat = g_object_ref (tp_chat);
1710         connection = empathy_tp_chat_get_connection (priv->tp_chat);
1711         priv->account = empathy_account_manager_get_account (priv->account_manager,
1712                                                              connection);
1713         g_object_ref (priv->account);
1714
1715         g_signal_connect (tp_chat, "destroy",
1716                           G_CALLBACK (chat_destroy_cb),
1717                           chat);
1718         g_signal_connect (tp_chat, "message-received",
1719                           G_CALLBACK (chat_message_received_cb),
1720                           chat);
1721         g_signal_connect (tp_chat, "send-error",
1722                           G_CALLBACK (chat_send_error_cb),
1723                           chat);
1724         g_signal_connect (tp_chat, "chat-state-changed",
1725                           G_CALLBACK (chat_state_changed_cb),
1726                           chat);
1727         g_signal_connect (tp_chat, "property-changed",
1728                           G_CALLBACK (chat_property_changed_cb),
1729                           chat);
1730         g_signal_connect (tp_chat, "members-changed",
1731                           G_CALLBACK (chat_members_changed_cb),
1732                           chat);
1733         g_signal_connect_swapped (tp_chat, "notify::remote-contact",
1734                                   G_CALLBACK (chat_remote_contact_changed_cb),
1735                                   chat);
1736
1737         chat_remote_contact_changed_cb (chat);
1738
1739         if (chat->input_text_view) {
1740                 gtk_widget_set_sensitive (chat->input_text_view, TRUE);
1741                 if (priv->block_events_timeout_id == 0) {
1742                         empathy_chat_view_append_event (chat->view, _("Connected"));
1743                 }
1744         }
1745
1746         g_object_notify (G_OBJECT (chat), "tp-chat");
1747         g_object_notify (G_OBJECT (chat), "id");
1748         g_object_notify (G_OBJECT (chat), "account");
1749
1750         /* This is a noop when tp-chat is set at object construction time and causes
1751          * the pending messages to be show when it's set on the object after it has
1752          * been created */
1753         show_pending_messages (chat);
1754 }
1755
1756 McAccount *
1757 empathy_chat_get_account (EmpathyChat *chat)
1758 {
1759         EmpathyChatPriv *priv = GET_PRIV (chat);
1760
1761         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1762
1763         return priv->account;
1764 }
1765
1766 const gchar *
1767 empathy_chat_get_id (EmpathyChat *chat)
1768 {
1769         EmpathyChatPriv *priv = GET_PRIV (chat);
1770
1771         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1772
1773         return priv->id;
1774 }
1775
1776 const gchar *
1777 empathy_chat_get_name (EmpathyChat *chat)
1778 {
1779         EmpathyChatPriv *priv = GET_PRIV (chat);
1780         const gchar *ret;
1781
1782         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1783
1784         ret = priv->name;
1785         if (!ret && priv->remote_contact) {
1786                 ret = empathy_contact_get_name (priv->remote_contact);
1787         }
1788
1789         if (!ret)
1790                 ret = priv->id;
1791
1792         return ret ? ret : _("Conversation");
1793 }
1794
1795 const gchar *
1796 empathy_chat_get_subject (EmpathyChat *chat)
1797 {
1798         EmpathyChatPriv *priv = GET_PRIV (chat);
1799
1800         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1801
1802         return priv->subject;
1803 }
1804
1805 EmpathyContact *
1806 empathy_chat_get_remote_contact (EmpathyChat *chat)
1807 {
1808         EmpathyChatPriv *priv = GET_PRIV (chat);
1809
1810         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1811
1812         return priv->remote_contact;
1813 }
1814
1815 GtkWidget *
1816 empathy_chat_get_contact_menu (EmpathyChat *chat)
1817 {
1818         EmpathyChatPriv *priv = GET_PRIV (chat);
1819         GtkWidget       *menu = NULL;
1820
1821         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1822
1823         if (priv->remote_contact) {
1824                 menu = empathy_contact_menu_new (priv->remote_contact,
1825                                                  EMPATHY_CONTACT_FEATURE_CALL |
1826                                                  EMPATHY_CONTACT_FEATURE_LOG |
1827                                                  EMPATHY_CONTACT_FEATURE_INFO);
1828         }
1829         else if (priv->contact_list_view) {
1830                 EmpathyContactListView *view;
1831
1832                 view = EMPATHY_CONTACT_LIST_VIEW (priv->contact_list_view);
1833                 menu = empathy_contact_list_view_get_contact_menu (view);
1834         }
1835
1836         return menu;
1837 }
1838
1839 void
1840 empathy_chat_clear (EmpathyChat *chat)
1841 {
1842         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1843
1844         empathy_chat_view_clear (chat->view);
1845 }
1846
1847 void
1848 empathy_chat_scroll_down (EmpathyChat *chat)
1849 {
1850         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1851
1852         empathy_chat_view_scroll_down (chat->view);
1853 }
1854
1855 void
1856 empathy_chat_cut (EmpathyChat *chat)
1857 {
1858         GtkTextBuffer *buffer;
1859
1860         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1861
1862         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1863         if (gtk_text_buffer_get_has_selection (buffer)) {
1864                 GtkClipboard *clipboard;
1865
1866                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1867
1868                 gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE);
1869         }
1870 }
1871
1872 void
1873 empathy_chat_copy (EmpathyChat *chat)
1874 {
1875         GtkTextBuffer *buffer;
1876
1877         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1878
1879         if (empathy_chat_view_get_has_selection (chat->view)) {
1880                 empathy_chat_view_copy_clipboard (chat->view);
1881                 return;
1882         }
1883
1884         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1885         if (gtk_text_buffer_get_has_selection (buffer)) {
1886                 GtkClipboard *clipboard;
1887
1888                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1889
1890                 gtk_text_buffer_copy_clipboard (buffer, clipboard);
1891         }
1892 }
1893
1894 void
1895 empathy_chat_paste (EmpathyChat *chat)
1896 {
1897         GtkTextBuffer *buffer;
1898         GtkClipboard  *clipboard;
1899
1900         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1901
1902         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1903         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1904
1905         gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE);
1906 }
1907
1908 void
1909 empathy_chat_correct_word (EmpathyChat  *chat,
1910                           GtkTextIter *start,
1911                           GtkTextIter *end,
1912                           const gchar *new_word)
1913 {
1914         GtkTextBuffer *buffer;
1915
1916         g_return_if_fail (chat != NULL);
1917         g_return_if_fail (new_word != NULL);
1918
1919         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1920
1921         gtk_text_buffer_delete (buffer, start, end);
1922         gtk_text_buffer_insert (buffer, start,
1923                                 new_word,
1924                                 -1);
1925 }
1926
1927 gboolean
1928 empathy_chat_is_room (EmpathyChat *chat)
1929 {
1930         EmpathyChatPriv *priv = GET_PRIV (chat);
1931
1932         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
1933
1934         return (priv->handle_type == TP_HANDLE_TYPE_ROOM);
1935 }
1936