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., 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  *          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.h>
  35 #include <gtk/gtk.h>
  36
  37 #include <libmissioncontrol/mission-control.h>
  38 #include <telepathy-glib/util.h>
  39
  40 #include <libempathy/empathy-log-manager.h>
  41 #include <libempathy/empathy-contact-list.h>
  42 #include <libempathy/empathy-debug.h>
  43 #include <libempathy/empathy-utils.h>
  44
  45 #include "empathy-chat.h"
  46 #include "empathy-conf.h"
  47 #include "empathy-spell.h"
  48 #include "empathy-spell-dialog.h"
  49 #include "empathy-ui-utils.h"
  50
  51 #define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EMPATHY_TYPE_CHAT, EmpathyChatPriv))
  52
  53 #define DEBUG_DOMAIN "Chat"
  54
  55 #define CHAT_DIR_CREATE_MODE  (S_IRUSR | S_IWUSR | S_IXUSR)
  56 #define CHAT_FILE_CREATE_MODE (S_IRUSR | S_IWUSR)
  57 #define IS_ENTER(v) (v == GDK_Return || v == GDK_ISO_Enter || v == GDK_KP_Enter)
  58 #define MAX_INPUT_HEIGHT 150
  59 #define COMPOSING_STOP_TIMEOUT 5
  60
  61 struct _EmpathyChatPriv {
  62         EmpathyTpChat     *tp_chat;
  63         McAccount         *account;
  64         gchar             *name;
  65         gchar             *subject;
  66         gchar             *tooltip;
  67         EmpathyContact    *selected_contact;
  68         gchar             *id;
  69
  70         EmpathyLogManager *log_manager;
  71         MissionControl    *mc;
  72         GSList            *sent_messages;
  73         gint               sent_messages_index;
  74         GList             *compositors;
  75         GList             *backlog_messages;
  76         GCompletion       *completion;
  77         guint              composing_stop_timeout_id;
  78         guint              block_events_timeout_id;
  79         TpHandleType       handle_type;
  80
  81         GtkWidget         *widget;
  82         GtkWidget         *hpaned;
  83         GtkWidget         *vbox_left;
  84         GtkWidget         *scrolled_window_chat;
  85         GtkWidget         *scrolled_window_input;
  86         GtkWidget         *scrolled_window_contacts;
  87         GtkWidget         *hbox_topic;
  88         GtkWidget         *label_topic;
  89
  90         /* Used to automatically shrink a window that has temporarily
  91          * grown due to long input.
  92          */
  93         gint               padding_height;
  94         gint               default_window_height;
  95         gint               last_input_height;
  96         gboolean           vscroll_visible;
  97         gboolean           is_first_char;
  98 };
  99
 100 static void empathy_chat_class_init (EmpathyChatClass *klass);
 101 static void empathy_chat_init       (EmpathyChat      *chat);
 102
 103 enum {
 104         COMPOSING,
 105         NEW_MESSAGE,
 106         LAST_SIGNAL
 107 };
 108
 109 enum {
 110         PROP_0,
 111         PROP_TP_CHAT,
 112         PROP_ACCOUNT,
 113         PROP_NAME,
 114         PROP_SUBJECT,
 115         PROP_TOOLTIP,
 116         PROP_SELECTED_CONTACT,
 117         PROP_ID
 118 };
 119
 120 static guint signals[LAST_SIGNAL] = { 0 };
 121
 122 G_DEFINE_TYPE (EmpathyChat, empathy_chat, GTK_TYPE_BIN);
 123
 124 static void
 125 chat_get_property (GObject    *object,
 126                    guint       param_id,
 127                    GValue     *value,
 128                    GParamSpec *pspec)
 129 {
 130         EmpathyChatPriv *priv = GET_PRIV (object);
 131
 132         switch (param_id) {
 133         case PROP_TP_CHAT:
 134                 g_value_set_object (value, priv->tp_chat);
 135                 break;
 136         case PROP_ACCOUNT:
 137                 g_value_set_object (value, priv->account);
 138                 break;
 139         case PROP_NAME:
 140                 g_value_set_string (value, priv->name);
 141                 break;
 142         case PROP_SUBJECT:
 143                 g_value_set_string (value, priv->subject);
 144                 break;
 145         case PROP_TOOLTIP:
 146                 g_value_set_string (value, priv->tooltip);
 147                 break;
 148         case PROP_SELECTED_CONTACT:
 149                 g_value_set_object (value, priv->selected_contact);
 150                 break;
 151         case PROP_ID:
 152                 g_value_set_string (value, priv->id);
 153                 break;
 154         default:
 155                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 156                 break;
 157         };
 158 }
 159
 160 static void
 161 chat_set_property (GObject      *object,
 162                    guint         param_id,
 163                    const GValue *value,
 164                    GParamSpec   *pspec)
 165 {
 166         EmpathyChat *chat = EMPATHY_CHAT (object);
 167
 168         switch (param_id) {
 169         case PROP_TP_CHAT:
 170                 empathy_chat_set_tp_chat (chat, EMPATHY_TP_CHAT (g_value_get_object (value)));
 171                 break;
 172         default:
 173                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 174                 break;
 175         };
 176 }
 177
 178 static void
 179 chat_status_changed_cb (MissionControl           *mc,
 180                         TpConnectionStatus        status,
 181                         McPresence                presence,
 182                         TpConnectionStatusReason  reason,
 183                         const gchar              *unique_name,
 184                         EmpathyChat              *chat)
 185 {
 186         EmpathyChatPriv *priv = GET_PRIV (chat);
 187         McAccount       *account;
 188
 189         account = mc_account_lookup (unique_name);
 190
 191         if (status == TP_CONNECTION_STATUS_CONNECTED && !priv->tp_chat &&
 192             empathy_account_equal (account, priv->account) &&
 193             priv->handle_type != 0) {
 194                 empathy_debug (DEBUG_DOMAIN,
 195                                "Account reconnected, request a new Text channel");
 196                 mission_control_request_channel_with_string_handle (mc,
 197                                                                     priv->account,
 198                                                                     TP_IFACE_CHANNEL_TYPE_TEXT,
 199                                                                     priv->id,
 200                                                                     priv->handle_type,
 201                                                                     NULL, NULL);
 202         }
 203
 204         g_object_unref (account);
 205 }
 206
 207 static void
 208 chat_composing_remove_timeout (EmpathyChat *chat)
 209 {
 210         EmpathyChatPriv *priv;
 211
 212         priv = GET_PRIV (chat);
 213
 214         if (priv->composing_stop_timeout_id) {
 215                 g_source_remove (priv->composing_stop_timeout_id);
 216                 priv->composing_stop_timeout_id = 0;
 217         }
 218 }
 219
 220 static gboolean
 221 chat_composing_stop_timeout_cb (EmpathyChat *chat)
 222 {
 223         EmpathyChatPriv *priv;
 224
 225         priv = GET_PRIV (chat);
 226
 227         priv->composing_stop_timeout_id = 0;
 228         empathy_tp_chat_set_state (priv->tp_chat,
 229                                    TP_CHANNEL_CHAT_STATE_PAUSED);
 230
 231         return FALSE;
 232 }
 233
 234 static void
 235 chat_composing_start (EmpathyChat *chat)
 236 {
 237         EmpathyChatPriv *priv;
 238
 239         priv = GET_PRIV (chat);
 240
 241         if (priv->composing_stop_timeout_id) {
 242                 /* Just restart the timeout */
 243                 chat_composing_remove_timeout (chat);
 244         } else {
 245                 empathy_tp_chat_set_state (priv->tp_chat,
 246                                            TP_CHANNEL_CHAT_STATE_COMPOSING);
 247         }
 248
 249         priv->composing_stop_timeout_id = g_timeout_add_seconds (
 250                 COMPOSING_STOP_TIMEOUT,
 251                 (GSourceFunc) chat_composing_stop_timeout_cb,
 252                 chat);
 253 }
 254
 255 static void
 256 chat_composing_stop (EmpathyChat *chat)
 257 {
 258         EmpathyChatPriv *priv;
 259
 260         priv = GET_PRIV (chat);
 261
 262         chat_composing_remove_timeout (chat);
 263         empathy_tp_chat_set_state (priv->tp_chat,
 264                                    TP_CHANNEL_CHAT_STATE_ACTIVE);
 265 }
 266
 267 static void
 268 chat_destroy_cb (EmpathyTpChat *tp_chat,
 269                  EmpathyChat    *chat)
 270 {
 271         EmpathyChatPriv *priv;
 272
 273         priv = GET_PRIV (chat);
 274
 275         if (priv->tp_chat) {
 276                 g_object_unref (priv->tp_chat);
 277                 priv->tp_chat = NULL;
 278         }
 279
 280         empathy_chat_view_append_event (chat->view, _("Disconnected"));
 281         gtk_widget_set_sensitive (chat->input_text_view, FALSE);
 282 }
 283
 284 static void
 285 chat_sent_message_add (EmpathyChat  *chat,
 286                        const gchar *str)
 287 {
 288         EmpathyChatPriv *priv;
 289         GSList         *list;
 290         GSList         *item;
 291
 292         priv = GET_PRIV (chat);
 293
 294         /* Save the sent message in our repeat buffer */
 295         list = priv->sent_messages;
 296
 297         /* Remove any other occurances of this msg */
 298         while ((item = g_slist_find_custom (list, str, (GCompareFunc) strcmp)) != NULL) {
 299                 list = g_slist_remove_link (list, item);
 300                 g_free (item->data);
 301                 g_slist_free1 (item);
 302         }
 303
 304         /* Trim the list to the last 10 items */
 305         while (g_slist_length (list) > 10) {
 306                 item = g_slist_last (list);
 307                 if (item) {
 308                         list = g_slist_remove_link (list, item);
 309                         g_free (item->data);
 310                         g_slist_free1 (item);
 311                 }
 312         }
 313
 314         /* Add new message */
 315         list = g_slist_prepend (list, g_strdup (str));
 316
 317         /* Set list and reset the index */
 318         priv->sent_messages = list;
 319         priv->sent_messages_index = -1;
 320 }
 321
 322 static const gchar *
 323 chat_sent_message_get_next (EmpathyChat *chat)
 324 {
 325         EmpathyChatPriv *priv;
 326         gint            max;
 327
 328         priv = GET_PRIV (chat);
 329
 330         if (!priv->sent_messages) {
 331                 empathy_debug (DEBUG_DOMAIN,
 332                               "No sent messages, next message is NULL");
 333                 return NULL;
 334         }
 335
 336         max = g_slist_length (priv->sent_messages) - 1;
 337
 338         if (priv->sent_messages_index < max) {
 339                 priv->sent_messages_index++;
 340         }
 341
 342         empathy_debug (DEBUG_DOMAIN,
 343                       "Returning next message index:%d",
 344                       priv->sent_messages_index);
 345
 346         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 347 }
 348
 349 static const gchar *
 350 chat_sent_message_get_last (EmpathyChat *chat)
 351 {
 352         EmpathyChatPriv *priv;
 353
 354         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
 355
 356         priv = GET_PRIV (chat);
 357
 358         if (!priv->sent_messages) {
 359                 empathy_debug (DEBUG_DOMAIN,
 360                               "No sent messages, last message is NULL");
 361                 return NULL;
 362         }
 363
 364         if (priv->sent_messages_index >= 0) {
 365                 priv->sent_messages_index--;
 366         }
 367
 368         empathy_debug (DEBUG_DOMAIN,
 369                       "Returning last message index:%d",
 370                       priv->sent_messages_index);
 371
 372         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 373 }
 374
 375 static void
 376 chat_send (EmpathyChat  *chat,
 377            const gchar *msg)
 378 {
 379         EmpathyChatPriv *priv;
 380         EmpathyMessage  *message;
 381
 382         priv = GET_PRIV (chat);
 383
 384         if (G_STR_EMPTY (msg)) {
 385                 return;
 386         }
 387
 388         chat_sent_message_add (chat, msg);
 389
 390         if (g_str_has_prefix (msg, "/clear")) {
 391                 empathy_chat_view_clear (chat->view);
 392                 return;
 393         }
 394
 395         message = empathy_message_new (msg);
 396
 397         empathy_tp_chat_send (priv->tp_chat, message);
 398
 399         g_object_unref (message);
 400 }
 401
 402 static void
 403 chat_input_text_view_send (EmpathyChat *chat)
 404 {
 405         EmpathyChatPriv *priv;
 406         GtkTextBuffer  *buffer;
 407         GtkTextIter     start, end;
 408         gchar          *msg;
 409
 410         priv = GET_PRIV (chat);
 411
 412         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 413
 414         gtk_text_buffer_get_bounds (buffer, &start, &end);
 415         msg = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 416
 417         /* clear the input field */
 418         gtk_text_buffer_set_text (buffer, "", -1);
 419
 420         chat_send (chat, msg);
 421         g_free (msg);
 422
 423         priv->is_first_char = TRUE;
 424 }
 425
 426 static void
 427 chat_state_changed_cb (EmpathyTpChat      *tp_chat,
 428                        EmpathyContact     *contact,
 429                        TpChannelChatState  state,
 430                        EmpathyChat        *chat)
 431 {
 432         EmpathyChatPriv *priv;
 433         GList          *l;
 434         gboolean        was_composing;
 435
 436         priv = GET_PRIV (chat);
 437
 438         if (empathy_contact_is_user (contact)) {
 439                 /* We don't care about our own chat state */
 440                 return;
 441         }
 442
 443         was_composing = (priv->compositors != NULL);
 444
 445         /* Find the contact in the list. After that l is the list elem or NULL */
 446         for (l = priv->compositors; l; l = l->next) {
 447                 if (contact == l->data) {
 448                         break;
 449                 }
 450         }
 451
 452         switch (state) {
 453         case TP_CHANNEL_CHAT_STATE_GONE:
 454         case TP_CHANNEL_CHAT_STATE_INACTIVE:
 455         case TP_CHANNEL_CHAT_STATE_PAUSED:
 456         case TP_CHANNEL_CHAT_STATE_ACTIVE:
 457                 /* Contact is not composing */
 458                 if (l) {
 459                         priv->compositors = g_list_remove_link (priv->compositors, l);
 460                         g_object_unref (l->data);
 461                         g_list_free1 (l);
 462                 }
 463                 break;
 464         case TP_CHANNEL_CHAT_STATE_COMPOSING:
 465                 /* Contact is composing */
 466                 if (!l) {
 467                         priv->compositors = g_list_prepend (priv->compositors,
 468                                                             g_object_ref (contact));
 469                 }
 470                 break;
 471         default:
 472                 g_assert_not_reached ();
 473         }
 474
 475         empathy_debug (DEBUG_DOMAIN, "Was composing: %s now composing: %s",
 476                       was_composing ? "yes" : "no",
 477                       priv->compositors ? "yes" : "no");
 478
 479         if ((was_composing && !priv->compositors) ||
 480             (!was_composing && priv->compositors)) {
 481                 /* Composing state changed */
 482                 g_signal_emit (chat, signals[COMPOSING], 0,
 483                                priv->compositors != NULL);
 484         }
 485 }
 486
 487 static void
 488 chat_message_received_cb (EmpathyTpChat  *tp_chat,
 489                           EmpathyMessage *message,
 490                           EmpathyChat    *chat)
 491 {
 492         EmpathyChatPriv *priv;
 493         EmpathyContact  *sender;
 494         const gchar     *body;
 495
 496         priv = GET_PRIV (chat);
 497
 498         sender = empathy_message_get_sender (message);
 499         body = empathy_message_get_body (message);
 500         while (priv->backlog_messages) {
 501                 EmpathyMessage *log_message;
 502                 EmpathyContact *log_sender;
 503                 const gchar    *log_body;
 504
 505                 log_message = priv->backlog_messages->data;
 506                 log_sender = empathy_message_get_sender (log_message);
 507                 log_body = empathy_message_get_body (log_message);
 508
 509                 priv->backlog_messages = g_list_remove (priv->backlog_messages,
 510                                                         log_message);
 511
 512                 if (empathy_contact_equal (sender, log_sender) &&
 513                     !tp_strdiff (body, log_body)) {
 514                         /* The message we received is already displayed because
 515                          * some jabber chatrooms sends us back logs and we
 516                          * already displayed it from localy logged messages. */
 517                         empathy_debug (DEBUG_DOMAIN, "Skipping message because "
 518                                        "it is already displayed from logged "
 519                                        "messages");
 520                         g_object_unref (log_message);
 521                         return;
 522                 }
 523                 g_object_unref (log_message);
 524         }
 525
 526         empathy_debug (DEBUG_DOMAIN, "Appending new message from %s (%d)",
 527                        empathy_contact_get_name (sender),
 528                        empathy_contact_get_handle (sender));
 529
 530         empathy_log_manager_add_message (priv->log_manager,
 531                                          empathy_chat_get_id (chat),
 532                                          FALSE,
 533                                          message);
 534
 535         empathy_chat_view_append_message (chat->view, message);
 536
 537         /* We received a message so the contact is no more composing */
 538         chat_state_changed_cb (tp_chat, sender,
 539                                TP_CHANNEL_CHAT_STATE_ACTIVE,
 540                                chat);
 541
 542         g_signal_emit (chat, signals[NEW_MESSAGE], 0, message);
 543 }
 544
 545 static void
 546 chat_send_error_cb (EmpathyTpChat          *tp_chat,
 547                     EmpathyMessage         *message,
 548                     TpChannelTextSendError  error_code,
 549                     EmpathyChat            *chat)
 550 {
 551         const gchar *error;
 552         gchar       *str;
 553
 554         switch (error_code) {
 555         case TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE:
 556                 error = _("offline");
 557                 break;
 558         case TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT:
 559                 error = _("invalid contact");
 560                 break;
 561         case TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED:
 562                 error = _("permission denied");
 563                 break;
 564         case TP_CHANNEL_TEXT_SEND_ERROR_TOO_LONG:
 565                 error = _("too long message");
 566                 break;
 567         case TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED:
 568                 error = _("not implemented");
 569                 break;
 570         default:
 571                 error = _("unknown");
 572                 break;
 573         }
 574
 575         str = g_strdup_printf (_("Error sending message '%s': %s"),
 576                                empathy_message_get_body (message),
 577                                error);
 578         empathy_chat_view_append_event (chat->view, str);
 579         g_free (str);
 580 }
 581
 582 static void
 583 chat_property_changed_cb (EmpathyTpChat *tp_chat,
 584                           const gchar   *name,
 585                           GValue        *value,
 586                           EmpathyChat   *chat)
 587 {
 588         EmpathyChatPriv *priv = GET_PRIV (chat);
 589
 590         if (!tp_strdiff (name, "subject")) {
 591                 g_free (priv->subject);
 592                 priv->subject = g_value_dup_string (value);
 593                 g_object_notify (G_OBJECT (chat), "subject");
 594         }
 595         else if (!tp_strdiff (name, "name")) {
 596                 g_free (priv->name);
 597                 priv->name = g_value_dup_string (value);
 598                 g_object_notify (G_OBJECT (chat), "name");
 599         } else {
 600                 return;
 601         }
 602
 603         g_free (priv->tooltip);
 604         priv->tooltip = g_strconcat (priv->name, "\n",
 605                                      _("Topic: "), priv->subject, NULL);
 606         g_object_notify (G_OBJECT (chat), "tooltip");
 607 }
 608
 609 static void
 610 chat_selected_contact_notify_cb (EmpathyChat *chat)
 611 {
 612         EmpathyChatPriv *priv = GET_PRIV (chat);
 613
 614         g_free (priv->name);
 615         priv->name = g_strdup (empathy_contact_get_name (priv->selected_contact));
 616         g_object_notify (G_OBJECT (chat), "name");
 617
 618         g_free (priv->tooltip);
 619         priv->tooltip = g_strconcat (empathy_contact_get_id (priv->selected_contact),
 620                                      "\n",
 621                                      empathy_contact_get_status (priv->selected_contact),
 622                                      NULL);
 623         g_object_notify (G_OBJECT (chat), "tooltip");
 624 }
 625
 626 static void
 627 chat_remote_contact_notify_cb (EmpathyChat *chat)
 628 {
 629         EmpathyChatPriv *priv = GET_PRIV (chat);
 630         EmpathyContact  *contact;
 631
 632         contact = empathy_tp_chat_get_remote_contact (priv->tp_chat);
 633         if (contact == priv->selected_contact) {
 634                 return;
 635         }
 636
 637         if (priv->selected_contact) {
 638                 g_signal_handlers_disconnect_by_func (contact,
 639                                                       chat_selected_contact_notify_cb,
 640                                                       chat);
 641                 g_object_unref (priv->selected_contact);
 642                 priv->selected_contact = NULL;
 643         }
 644
 645         if (contact) {
 646                 priv->selected_contact = g_object_ref (contact);
 647                 g_signal_connect_swapped (contact, "notify",
 648                                           G_CALLBACK (chat_selected_contact_notify_cb),
 649                                           chat);
 650                 chat_selected_contact_notify_cb (chat);
 651         }
 652
 653         g_object_notify (G_OBJECT (chat), "selected-contact");
 654 }
 655
 656 static gboolean
 657 chat_get_is_command (const gchar *str)
 658 {
 659         g_return_val_if_fail (str != NULL, FALSE);
 660
 661         if (str[0] != '/') {
 662                 return FALSE;
 663         }
 664
 665         if (g_str_has_prefix (str, "/me")) {
 666                 return TRUE;
 667         }
 668         else if (g_str_has_prefix (str, "/nick")) {
 669                 return TRUE;
 670         }
 671         else if (g_str_has_prefix (str, "/topic")) {
 672                 return TRUE;
 673         }
 674
 675         return FALSE;
 676 }
 677
 678 static void
 679 chat_input_text_buffer_changed_cb (GtkTextBuffer *buffer,
 680                                    EmpathyChat    *chat)
 681 {
 682         EmpathyChatPriv *priv;
 683         GtkTextIter     start, end;
 684         gchar          *str;
 685         gboolean        spell_checker = FALSE;
 686
 687         priv = GET_PRIV (chat);
 688
 689         if (gtk_text_buffer_get_char_count (buffer) == 0) {
 690                 chat_composing_stop (chat);
 691         } else {
 692                 chat_composing_start (chat);
 693         }
 694
 695         empathy_conf_get_bool (empathy_conf_get (),
 696                               EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED,
 697                               &spell_checker);
 698
 699         if (priv->is_first_char) {
 700                 GtkRequisition  req;
 701                 gint            window_height;
 702                 GtkWindow      *dialog;
 703                 GtkAllocation  *allocation;
 704
 705                 /* Save the window's size */
 706                 dialog = empathy_get_toplevel_window (GTK_WIDGET (chat));
 707                 if (dialog) {
 708                         gtk_window_get_size (GTK_WINDOW (dialog), NULL, &window_height);
 709                         gtk_widget_size_request (chat->input_text_view, &req);
 710                         allocation = &GTK_WIDGET (chat->view)->allocation;
 711
 712                         priv->default_window_height = window_height;
 713                         priv->last_input_height = req.height;
 714                         priv->padding_height = window_height - req.height - allocation->height;
 715                 }
 716
 717                 priv->is_first_char = FALSE;
 718         }
 719
 720         gtk_text_buffer_get_start_iter (buffer, &start);
 721
 722         if (!spell_checker) {
 723                 gtk_text_buffer_get_end_iter (buffer, &end);
 724                 gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 725                 return;
 726         }
 727
 728         if (!empathy_spell_supported ()) {
 729                 return;
 730         }
 731
 732         /* NOTE: this is really inefficient, we shouldn't have to
 733            reiterate the whole buffer each time and check each work
 734            every time. */
 735         while (TRUE) {
 736                 gboolean correct = FALSE;
 737
 738                 /* if at start */
 739                 if (gtk_text_iter_is_start (&start)) {
 740                         end = start;
 741
 742                         if (!gtk_text_iter_forward_word_end (&end)) {
 743                                 /* no whole word yet */
 744                                 break;
 745                         }
 746                 } else {
 747                         if (!gtk_text_iter_forward_word_end (&end)) {
 748                                 /* must be the end of the buffer */
 749                                 break;
 750                         }
 751
 752                         start = end;
 753                         gtk_text_iter_backward_word_start (&start);
 754                 }
 755
 756                 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 757
 758                 /* spell check string */
 759                 if (!chat_get_is_command (str)) {
 760                         correct = empathy_spell_check (str);
 761                 } else {
 762                         correct = TRUE;
 763                 }
 764
 765                 if (!correct) {
 766                         gtk_text_buffer_apply_tag_by_name (buffer, "misspelled", &start, &end);
 767                 } else {
 768                         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 769                 }
 770
 771                 g_free (str);
 772
 773                 /* set start iter to the end iters position */
 774                 start = end;
 775         }
 776 }
 777
 778 static gboolean
 779 chat_input_key_press_event_cb (GtkWidget   *widget,
 780                                GdkEventKey *event,
 781                                EmpathyChat *chat)
 782 {
 783         EmpathyChatPriv *priv;
 784         GtkAdjustment  *adj;
 785         gdouble         val;
 786         GtkWidget      *text_view_sw;
 787
 788         priv = GET_PRIV (chat);
 789
 790         /* Catch ctrl+up/down so we can traverse messages we sent */
 791         if ((event->state & GDK_CONTROL_MASK) &&
 792             (event->keyval == GDK_Up ||
 793              event->keyval == GDK_Down)) {
 794                 GtkTextBuffer *buffer;
 795                 const gchar   *str;
 796
 797                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 798
 799                 if (event->keyval == GDK_Up) {
 800                         str = chat_sent_message_get_next (chat);
 801                 } else {
 802                         str = chat_sent_message_get_last (chat);
 803                 }
 804
 805                 g_signal_handlers_block_by_func (buffer,
 806                                                  chat_input_text_buffer_changed_cb,
 807                                                  chat);
 808                 gtk_text_buffer_set_text (buffer, str ? str : "", -1);
 809                 g_signal_handlers_unblock_by_func (buffer,
 810                                                    chat_input_text_buffer_changed_cb,
 811                                                    chat);
 812
 813                 return TRUE;
 814         }
 815
 816         /* Catch enter but not ctrl/shift-enter */
 817         if (IS_ENTER (event->keyval) &&
 818             !(event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
 819                 GtkTextView *view;
 820
 821                 /* This is to make sure that kinput2 gets the enter. And if
 822                  * it's handled there we shouldn't send on it. This is because
 823                  * kinput2 uses Enter to commit letters. See:
 824                  * http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104299
 825                  */
 826
 827                 view = GTK_TEXT_VIEW (chat->input_text_view);
 828                 if (gtk_im_context_filter_keypress (view->im_context, event)) {
 829                         GTK_TEXT_VIEW (chat->input_text_view)->need_im_reset = TRUE;
 830                         return TRUE;
 831                 }
 832
 833                 chat_input_text_view_send (chat);
 834                 return TRUE;
 835         }
 836
 837         text_view_sw = gtk_widget_get_parent (GTK_WIDGET (chat->view));
 838
 839         if (IS_ENTER (event->keyval) &&
 840             (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
 841                 /* Newline for shift/control-enter. */
 842                 return FALSE;
 843         }
 844         if (!(event->state & GDK_CONTROL_MASK) &&
 845             event->keyval == GDK_Page_Up) {
 846                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 847                 gtk_adjustment_set_value (adj, adj->value - adj->page_size);
 848                 return TRUE;
 849         }
 850         if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 851             event->keyval == GDK_Page_Down) {
 852                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 853                 val = MIN (adj->value + adj->page_size, adj->upper - adj->page_size);
 854                 gtk_adjustment_set_value (adj, val);
 855                 return TRUE;
 856         }
 857         if (!(event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) &&
 858             event->keyval == GDK_Tab) {
 859                 GtkTextBuffer *buffer;
 860                 GtkTextIter    start, current;
 861                 gchar         *nick, *completed;
 862                 GList         *list, *completed_list;
 863                 gboolean       is_start_of_buffer;
 864
 865                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (EMPATHY_CHAT (chat)->input_text_view));
 866                 gtk_text_buffer_get_iter_at_mark (buffer, &current, gtk_text_buffer_get_insert (buffer));
 867
 868                 /* Get the start of the nick to complete. */
 869                 gtk_text_buffer_get_iter_at_mark (buffer, &start, gtk_text_buffer_get_insert (buffer));
 870                 gtk_text_iter_backward_word_start (&start);
 871                 is_start_of_buffer = gtk_text_iter_is_start (&start);
 872
 873                 list = empathy_contact_list_get_members (EMPATHY_CONTACT_LIST (priv->tp_chat));
 874                 g_completion_add_items (priv->completion, list);
 875
 876                 nick = gtk_text_buffer_get_text (buffer, &start, &current, FALSE);
 877                 completed_list = g_completion_complete (priv->completion,
 878                                                         nick,
 879                                                         &completed);
 880
 881                 g_free (nick);
 882
 883                 if (completed) {
 884                         guint        len;
 885                         const gchar *text;
 886                         gchar       *complete_char = NULL;
 887
 888                         gtk_text_buffer_delete (buffer, &start, &current);
 889
 890                         len = g_list_length (completed_list);
 891
 892                         if (len == 1) {
 893                                 /* If we only have one hit, use that text
 894                                  * instead of the text in completed since the
 895                                  * completed text will use the typed string
 896                                  * which might be cased all wrong.
 897                                  * Fixes #120876
 898                                  * */
 899                                 text = empathy_contact_get_name (completed_list->data);
 900                         } else {
 901                                 text = completed;
 902                         }
 903
 904                         gtk_text_buffer_insert_at_cursor (buffer, text, strlen (text));
 905
 906                         if (len == 1 && is_start_of_buffer &&
 907                             empathy_conf_get_string (empathy_conf_get (),
 908                                                      EMPATHY_PREFS_CHAT_NICK_COMPLETION_CHAR,
 909                                                      &complete_char) &&
 910                             complete_char != NULL) {
 911                                 gtk_text_buffer_insert_at_cursor (buffer,
 912                                                                   complete_char,
 913                                                                   strlen (complete_char));
 914                                 gtk_text_buffer_insert_at_cursor (buffer, " ", 1);
 915                                 g_free (complete_char);
 916                         }
 917
 918                         g_free (completed);
 919                 }
 920
 921                 g_completion_clear_items (priv->completion);
 922
 923                 g_list_foreach (list, (GFunc) g_object_unref, NULL);
 924                 g_list_free (list);
 925
 926                 return TRUE;
 927         }
 928
 929         return FALSE;
 930 }
 931
 932 static gboolean
 933 chat_text_view_focus_in_event_cb (GtkWidget  *widget,
 934                                   GdkEvent   *event,
 935                                   EmpathyChat *chat)
 936 {
 937         gtk_widget_grab_focus (chat->input_text_view);
 938
 939         return TRUE;
 940 }
 941
 942 typedef struct {
 943         GtkWindow *window;
 944         gint       width;
 945         gint       height;
 946 } ChangeSizeData;
 947
 948 static gboolean
 949 chat_change_size_in_idle_cb (ChangeSizeData *data)
 950 {
 951         gtk_window_resize (data->window, data->width, data->height);
 952
 953         return FALSE;
 954 }
 955
 956 static void
 957 chat_text_view_scroll_hide_cb (GtkWidget  *widget,
 958                                EmpathyChat *chat)
 959 {
 960         EmpathyChatPriv *priv;
 961         GtkWidget      *sw;
 962
 963         priv = GET_PRIV (chat);
 964
 965         priv->vscroll_visible = FALSE;
 966         g_signal_handlers_disconnect_by_func (widget,
 967                                               chat_text_view_scroll_hide_cb,
 968                                               chat);
 969
 970         sw = gtk_widget_get_parent (chat->input_text_view);
 971         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 972                                         GTK_POLICY_NEVER,
 973                                         GTK_POLICY_NEVER);
 974         g_object_set (sw, "height-request", -1, NULL);
 975 }
 976
 977 static void
 978 chat_text_view_size_allocate_cb (GtkWidget     *widget,
 979                                  GtkAllocation *allocation,
 980                                  EmpathyChat    *chat)
 981 {
 982         EmpathyChatPriv *priv;
 983         gint            width;
 984         GtkWindow      *dialog;
 985         ChangeSizeData *data;
 986         gint            window_height;
 987         gint            new_height;
 988         GtkAllocation  *view_allocation;
 989         gint            current_height;
 990         gint            diff;
 991         GtkWidget      *sw;
 992
 993         priv = GET_PRIV (chat);
 994
 995         if (priv->default_window_height <= 0) {
 996                 return;
 997         }
 998
 999         sw = gtk_widget_get_parent (widget);
1000         if (sw->allocation.height >= MAX_INPUT_HEIGHT && !priv->vscroll_visible) {
1001                 GtkWidget *vscroll;
1002
1003                 priv->vscroll_visible = TRUE;
1004                 gtk_widget_set_size_request (sw, sw->allocation.width, MAX_INPUT_HEIGHT);
1005                 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
1006                                                 GTK_POLICY_NEVER,
1007                                                 GTK_POLICY_AUTOMATIC);
1008                 vscroll = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (sw));
1009                 g_signal_connect (vscroll, "hide",
1010                                   G_CALLBACK (chat_text_view_scroll_hide_cb),
1011                                   chat);
1012         }
1013
1014         if (priv->last_input_height <= allocation->height) {
1015                 priv->last_input_height = allocation->height;
1016                 return;
1017         }
1018
1019         diff = priv->last_input_height - allocation->height;
1020         priv->last_input_height = allocation->height;
1021
1022         view_allocation = &GTK_WIDGET (chat->view)->allocation;
1023
1024         dialog = empathy_get_toplevel_window (GTK_WIDGET (widget));
1025         gtk_window_get_size (dialog, NULL, &current_height);
1026
1027         new_height = view_allocation->height + priv->padding_height + allocation->height - diff;
1028
1029         if (new_height <= priv->default_window_height) {
1030                 window_height = priv->default_window_height;
1031         } else {
1032                 window_height = new_height;
1033         }
1034
1035         if (current_height <= window_height) {
1036                 return;
1037         }
1038
1039         /* Restore the window's size */
1040         gtk_window_get_size (dialog, &width, NULL);
1041
1042         data = g_new0 (ChangeSizeData, 1);
1043         data->window = dialog;
1044         data->width  = width;
1045         data->height = window_height;
1046
1047         g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
1048                          (GSourceFunc) chat_change_size_in_idle_cb,
1049                          data, g_free);
1050 }
1051
1052 static void
1053 chat_text_view_realize_cb (GtkWidget  *widget,
1054                            EmpathyChat *chat)
1055 {
1056         empathy_debug (DEBUG_DOMAIN, "Setting focus to the input text view");
1057         gtk_widget_grab_focus (widget);
1058 }
1059
1060 static void
1061 chat_insert_smiley_activate_cb (GtkWidget   *menuitem,
1062                                 EmpathyChat *chat)
1063 {
1064         GtkTextBuffer *buffer;
1065         GtkTextIter    iter;
1066         const gchar   *smiley;
1067
1068         smiley = g_object_get_data (G_OBJECT (menuitem), "smiley_text");
1069
1070         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1071
1072         gtk_text_buffer_get_end_iter (buffer, &iter);
1073         gtk_text_buffer_insert (buffer, &iter, smiley, -1);
1074
1075         gtk_text_buffer_get_end_iter (buffer, &iter);
1076         gtk_text_buffer_insert (buffer, &iter, " ", -1);
1077 }
1078
1079 typedef struct {
1080         EmpathyChat  *chat;
1081         gchar       *word;
1082
1083         GtkTextIter  start;
1084         GtkTextIter  end;
1085 } EmpathyChatSpell;
1086
1087 static EmpathyChatSpell *
1088 chat_spell_new (EmpathyChat  *chat,
1089                 const gchar *word,
1090                 GtkTextIter  start,
1091                 GtkTextIter  end)
1092 {
1093         EmpathyChatSpell *chat_spell;
1094
1095         chat_spell = g_slice_new0 (EmpathyChatSpell);
1096
1097         chat_spell->chat = g_object_ref (chat);
1098         chat_spell->word = g_strdup (word);
1099         chat_spell->start = start;
1100         chat_spell->end = end;
1101
1102         return chat_spell;
1103 }
1104
1105 static void
1106 chat_spell_free (EmpathyChatSpell *chat_spell)
1107 {
1108         g_object_unref (chat_spell->chat);
1109         g_free (chat_spell->word);
1110         g_slice_free (EmpathyChatSpell, chat_spell);
1111 }
1112
1113 static void
1114 chat_text_check_word_spelling_cb (GtkMenuItem     *menuitem,
1115                                   EmpathyChatSpell *chat_spell)
1116 {
1117         empathy_spell_dialog_show (chat_spell->chat,
1118                                   chat_spell->start,
1119                                   chat_spell->end,
1120                                   chat_spell->word);
1121 }
1122
1123 static void
1124 chat_text_populate_popup_cb (GtkTextView *view,
1125                              GtkMenu     *menu,
1126                              EmpathyChat  *chat)
1127 {
1128         EmpathyChatPriv  *priv;
1129         GtkTextBuffer   *buffer;
1130         GtkTextTagTable *table;
1131         GtkTextTag      *tag;
1132         gint             x, y;
1133         GtkTextIter      iter, start, end;
1134         GtkWidget       *item;
1135         gchar           *str = NULL;
1136         EmpathyChatSpell *chat_spell;
1137         GtkWidget       *smiley_menu;
1138
1139         priv = GET_PRIV (chat);
1140
1141         /* Add the emoticon menu. */
1142         item = gtk_separator_menu_item_new ();
1143         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1144         gtk_widget_show (item);
1145
1146         item = gtk_menu_item_new_with_mnemonic (_("Insert Smiley"));
1147         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1148         gtk_widget_show (item);
1149
1150         smiley_menu = empathy_chat_view_get_smiley_menu (
1151                 G_CALLBACK (chat_insert_smiley_activate_cb),
1152                 chat);
1153         gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu);
1154
1155         /* Add the spell check menu item. */
1156         buffer = gtk_text_view_get_buffer (view);
1157         table = gtk_text_buffer_get_tag_table (buffer);
1158
1159         tag = gtk_text_tag_table_lookup (table, "misspelled");
1160
1161         gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
1162
1163         gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
1164                                                GTK_TEXT_WINDOW_WIDGET,
1165                                                x, y,
1166                                                &x, &y);
1167
1168         gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y);
1169
1170         start = end = iter;
1171
1172         if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
1173             gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
1174
1175                 str = gtk_text_buffer_get_text (buffer,
1176                                                 &start, &end, FALSE);
1177         }
1178
1179         if (G_STR_EMPTY (str)) {
1180                 return;
1181         }
1182
1183         chat_spell = chat_spell_new (chat, str, start, end);
1184
1185         g_object_set_data_full (G_OBJECT (menu),
1186                                 "chat_spell", chat_spell,
1187                                 (GDestroyNotify) chat_spell_free);
1188
1189         item = gtk_separator_menu_item_new ();
1190         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1191         gtk_widget_show (item);
1192
1193         item = gtk_menu_item_new_with_mnemonic (_("_Check Word Spelling..."));
1194         g_signal_connect (item,
1195                           "activate",
1196                           G_CALLBACK (chat_text_check_word_spelling_cb),
1197                           chat_spell);
1198         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1199         gtk_widget_show (item);
1200 }
1201
1202 static void
1203 chat_add_logs (EmpathyChat *chat)
1204 {
1205         EmpathyChatPriv *priv;
1206         GList          *messages, *l;
1207         guint           num_messages;
1208         guint           i;
1209
1210         priv = GET_PRIV (chat);
1211
1212         /* Turn off scrolling temporarily */
1213         empathy_chat_view_scroll (chat->view, FALSE);
1214
1215         /* Add messages from last conversation */
1216         messages = empathy_log_manager_get_last_messages (priv->log_manager,
1217                                                           priv->account,
1218                                                           empathy_chat_get_id (chat),
1219                                                           FALSE);
1220         num_messages  = g_list_length (messages);
1221
1222         /* Only keep the 10 last messages */
1223         for (i = 0; num_messages - i > 10; i++) {
1224                 EmpathyMessage *message;
1225
1226                 message = messages->data;
1227                 messages = g_list_remove (messages, message);
1228                 g_object_unref (message);
1229         }
1230
1231         for (l = messages; l; l = l->next) {
1232                 empathy_chat_view_append_message (chat->view, l->data);
1233         }
1234         priv->backlog_messages = messages;
1235
1236         /* Turn back on scrolling */
1237         empathy_chat_view_scroll (chat->view, TRUE);
1238 }
1239
1240 static gint
1241 chat_contacts_completion_func (const gchar *s1,
1242                                const gchar *s2,
1243                                gsize        n)
1244 {
1245         gchar *tmp, *nick1, *nick2;
1246         gint   ret;
1247
1248         tmp = g_utf8_normalize (s1, -1, G_NORMALIZE_DEFAULT);
1249         nick1 = g_utf8_casefold (tmp, -1);
1250         g_free (tmp);
1251
1252         tmp = g_utf8_normalize (s2, -1, G_NORMALIZE_DEFAULT);
1253         nick2 = g_utf8_casefold (tmp, -1);
1254         g_free (tmp);
1255
1256         ret = strncmp (nick1, nick2, n);
1257
1258         g_free (nick1);
1259         g_free (nick2);
1260
1261         return ret;
1262 }
1263
1264 static void
1265 chat_create_ui (EmpathyChat *chat)
1266 {
1267         EmpathyChatPriv *priv = GET_PRIV (chat);
1268         GladeXML        *glade;
1269         GList           *list = NULL;
1270         gchar           *filename;
1271
1272         filename = empathy_file_lookup ("empathy-chat.glade",
1273                                         "libempathy-gtk");
1274         glade = empathy_glade_get_file (filename,
1275                                         "chat_widget",
1276                                         NULL,
1277                                         "chat_widget", &priv->widget,
1278                                         "hpaned", &priv->hpaned,
1279                                         "vbox_left", &priv->vbox_left,
1280                                         "scrolled_window_chat", &priv->scrolled_window_chat,
1281                                         "scrolled_window_input", &priv->scrolled_window_input,
1282                                         "hbox_topic", &priv->hbox_topic,
1283                                         "label_topic", &priv->label_topic,
1284                                         "scrolled_window_contacts", &priv->scrolled_window_contacts,
1285                                         NULL);
1286         g_free (filename);
1287         g_object_unref (glade);
1288
1289         /* Add message GtkTextView. */
1290         chat->view = empathy_chat_view_new ();
1291         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat),
1292                            GTK_WIDGET (chat->view));
1293         gtk_widget_show (GTK_WIDGET (chat->view));
1294
1295         /* Add input GtkTextView */
1296         chat->input_text_view = gtk_text_view_new ();
1297         g_object_set (chat->input_text_view,
1298                       "pixels-above-lines", 2,
1299                       "pixels-below-lines", 2,
1300                       "pixels-inside-wrap", 1,
1301                       "right-margin", 2,
1302                       "left-margin", 2,
1303                       "wrap-mode", GTK_WRAP_WORD_CHAR,
1304                       NULL);
1305         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input),
1306                            chat->input_text_view);
1307         gtk_widget_show (chat->input_text_view);
1308
1309         /* Add nick name completion */
1310         priv->completion = g_completion_new ((GCompletionFunc) empathy_contact_get_name);
1311         g_completion_set_compare (priv->completion,
1312                                   chat_contacts_completion_func);
1313
1314         /* Set widget focus order */
1315         list = g_list_append (NULL, priv->scrolled_window_input);
1316         gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list);
1317         g_list_free (list);
1318
1319         list = g_list_append (NULL, priv->vbox_left);
1320         list = g_list_append (list, priv->scrolled_window_contacts);
1321         gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list);
1322         g_list_free (list);
1323
1324         list = g_list_append (NULL, priv->hpaned);
1325         list = g_list_append (list, priv->hbox_topic);
1326         gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list);
1327         g_list_free (list);
1328
1329         /* Add the main widget in the chat widget */
1330         gtk_container_add (GTK_CONTAINER (chat), priv->widget);
1331 }
1332
1333 static void
1334 chat_finalize (GObject *object)
1335 {
1336         EmpathyChat     *chat;
1337         EmpathyChatPriv *priv;
1338
1339         chat = EMPATHY_CHAT (object);
1340         priv = GET_PRIV (chat);
1341
1342         empathy_debug (DEBUG_DOMAIN, "Finalized: %p", object);
1343
1344         g_slist_foreach (priv->sent_messages, (GFunc) g_free, NULL);
1345         g_slist_free (priv->sent_messages);
1346
1347         g_list_foreach (priv->compositors, (GFunc) g_object_unref, NULL);
1348         g_list_free (priv->compositors);
1349
1350         g_list_foreach (priv->backlog_messages, (GFunc) g_object_unref, NULL);
1351         g_list_free (priv->backlog_messages);
1352
1353         chat_composing_remove_timeout (chat);
1354
1355         dbus_g_proxy_disconnect_signal (DBUS_G_PROXY (priv->mc), "AccountStatusChanged",
1356                                         G_CALLBACK (chat_status_changed_cb),
1357                                         chat);
1358         g_object_unref (priv->mc);
1359         g_object_unref (priv->log_manager);
1360
1361
1362         if (priv->tp_chat) {
1363                 g_object_unref (priv->tp_chat);
1364         }
1365
1366         if (priv->account) {
1367                 g_object_unref (priv->account);
1368         }
1369
1370         if (priv->selected_contact) {
1371                 g_signal_handlers_disconnect_by_func (priv->selected_contact,
1372                                                       chat_selected_contact_notify_cb,
1373                                                       chat);
1374                 g_object_unref (priv->selected_contact);
1375         }
1376
1377         if (priv->block_events_timeout_id) {
1378                 g_source_remove (priv->block_events_timeout_id);
1379         }
1380
1381         g_free (priv->id);
1382         g_free (priv->name);
1383         g_free (priv->subject);
1384         g_free (priv->tooltip);
1385
1386         G_OBJECT_CLASS (empathy_chat_parent_class)->finalize (object);
1387 }
1388
1389 static void
1390 chat_constructed (GObject *object)
1391 {
1392         chat_add_logs (EMPATHY_CHAT (object));
1393 }
1394
1395 static void
1396 empathy_chat_class_init (EmpathyChatClass *klass)
1397 {
1398         GObjectClass *object_class;
1399
1400         object_class = G_OBJECT_CLASS (klass);
1401
1402         object_class->finalize = chat_finalize;
1403         object_class->get_property = chat_get_property;
1404         object_class->set_property = chat_set_property;
1405         object_class->constructed = chat_constructed;
1406
1407         g_object_class_install_property (object_class,
1408                                          PROP_TP_CHAT,
1409                                          g_param_spec_object ("tp-chat",
1410                                                               "Empathy tp chat",
1411                                                               "The tp chat object",
1412                                                               EMPATHY_TYPE_TP_CHAT,
1413                                                               G_PARAM_CONSTRUCT |
1414                                                               G_PARAM_READWRITE));
1415         g_object_class_install_property (object_class,
1416                                          PROP_ACCOUNT,
1417                                          g_param_spec_object ("account",
1418                                                               "Account of the chat",
1419                                                               "The account of the chat",
1420                                                               MC_TYPE_ACCOUNT,
1421                                                               G_PARAM_READABLE));
1422         g_object_class_install_property (object_class,
1423                                          PROP_NAME,
1424                                          g_param_spec_string ("name",
1425                                                               "Chat's name",
1426                                                               "The name of the chat",
1427                                                               NULL,
1428                                                               G_PARAM_READABLE));
1429         g_object_class_install_property (object_class,
1430                                          PROP_SUBJECT,
1431                                          g_param_spec_string ("subject",
1432                                                               "Chat's subject",
1433                                                               "The subject or topic of the chat",
1434                                                               NULL,
1435                                                               G_PARAM_READABLE));
1436         g_object_class_install_property (object_class,
1437                                          PROP_TOOLTIP,
1438                                          g_param_spec_string ("tooltip",
1439                                                               "Chat's tooltip",
1440                                                               "The tooltip of the chat",
1441                                                               NULL,
1442                                                               G_PARAM_READABLE));
1443         g_object_class_install_property (object_class,
1444                                          PROP_SELECTED_CONTACT,
1445                                          g_param_spec_object ("selected-contact",
1446                                                               "The selected contact",
1447                                                               "The selected contact, "
1448                                                               "either the remote contact or "
1449                                                               "the one selected on the contact list",
1450                                                               EMPATHY_TYPE_CONTACT,
1451                                                               G_PARAM_READABLE));
1452         g_object_class_install_property (object_class,
1453                                          PROP_ID,
1454                                          g_param_spec_string ("id",
1455                                                               "Chat's id",
1456                                                               "The id of the chat",
1457                                                               NULL,
1458                                                               G_PARAM_READABLE));
1459
1460         signals[COMPOSING] =
1461                 g_signal_new ("composing",
1462                               G_OBJECT_CLASS_TYPE (object_class),
1463                               G_SIGNAL_RUN_LAST,
1464                               0,
1465                               NULL, NULL,
1466                               g_cclosure_marshal_VOID__BOOLEAN,
1467                               G_TYPE_NONE,
1468                               1, G_TYPE_BOOLEAN);
1469
1470         signals[NEW_MESSAGE] =
1471                 g_signal_new ("new-message",
1472                               G_OBJECT_CLASS_TYPE (object_class),
1473                               G_SIGNAL_RUN_LAST,
1474                               0,
1475                               NULL, NULL,
1476                               g_cclosure_marshal_VOID__OBJECT,
1477                               G_TYPE_NONE,
1478                               1, EMPATHY_TYPE_MESSAGE);
1479
1480         g_type_class_add_private (object_class, sizeof (EmpathyChatPriv));
1481 }
1482
1483 static void
1484 empathy_chat_init (EmpathyChat *chat)
1485 {
1486         EmpathyChatPriv *priv = GET_PRIV (chat);
1487         GtkTextBuffer  *buffer;
1488
1489         chat_create_ui (chat);
1490
1491         priv->is_first_char = TRUE;
1492         priv->log_manager = empathy_log_manager_new ();
1493         priv->default_window_height = -1;
1494         priv->vscroll_visible = FALSE;
1495         priv->sent_messages = NULL;
1496         priv->sent_messages_index = -1;
1497         priv->mc = empathy_mission_control_new ();
1498
1499         dbus_g_proxy_connect_signal (DBUS_G_PROXY (priv->mc), "AccountStatusChanged",
1500                                      G_CALLBACK (chat_status_changed_cb),
1501                                      chat, NULL);
1502
1503         g_signal_connect (chat->input_text_view,
1504                           "key_press_event",
1505                           G_CALLBACK (chat_input_key_press_event_cb),
1506                           chat);
1507
1508         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1509         g_signal_connect (buffer,
1510                           "changed",
1511                           G_CALLBACK (chat_input_text_buffer_changed_cb),
1512                           chat);
1513         g_signal_connect (chat->view,
1514                           "focus_in_event",
1515                           G_CALLBACK (chat_text_view_focus_in_event_cb),
1516                           chat);
1517
1518         g_signal_connect (chat->input_text_view,
1519                           "size_allocate",
1520                           G_CALLBACK (chat_text_view_size_allocate_cb),
1521                           chat);
1522
1523         g_signal_connect (chat->input_text_view,
1524                           "realize",
1525                           G_CALLBACK (chat_text_view_realize_cb),
1526                           chat);
1527
1528         g_signal_connect (GTK_TEXT_VIEW (chat->input_text_view),
1529                           "populate_popup",
1530                           G_CALLBACK (chat_text_populate_popup_cb),
1531                           chat);
1532
1533         /* create misspelt words identification tag */
1534         gtk_text_buffer_create_tag (buffer,
1535                                     "misspelled",
1536                                     "underline", PANGO_UNDERLINE_ERROR,
1537                                     NULL);
1538 }
1539
1540 EmpathyChat *
1541 empathy_chat_new (EmpathyTpChat *tp_chat)
1542 {
1543         return g_object_new (EMPATHY_TYPE_CHAT, "tp-chat", tp_chat, NULL);
1544 }
1545
1546 EmpathyTpChat *
1547 empathy_chat_get_tp_chat (EmpathyChat *chat)
1548 {
1549         EmpathyChatPriv *priv = GET_PRIV (chat);
1550
1551         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1552
1553         return priv->tp_chat;
1554 }
1555
1556 static gboolean
1557 chat_block_events_timeout_cb (gpointer data)
1558 {
1559         EmpathyChatPriv *priv = GET_PRIV (data);
1560
1561         priv->block_events_timeout_id = 0;
1562
1563         return FALSE;
1564 }
1565
1566 void
1567 empathy_chat_set_tp_chat (EmpathyChat   *chat,
1568                           EmpathyTpChat *tp_chat)
1569 {
1570         EmpathyChatPriv *priv;
1571         TpChan          *tp_chan;
1572
1573         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1574         g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
1575
1576         priv = GET_PRIV (chat);
1577
1578         if (tp_chat == priv->tp_chat) {
1579                 return;
1580         }
1581
1582         if (priv->tp_chat) {
1583                 g_object_unref (priv->tp_chat);
1584         }
1585         if (priv->account) {
1586                 g_object_unref (priv->account);
1587         }
1588         g_free (priv->id);
1589
1590         priv->tp_chat = g_object_ref (tp_chat);
1591         priv->id = g_strdup (empathy_tp_chat_get_id (tp_chat));
1592         priv->account = g_object_ref (empathy_tp_chat_get_account (tp_chat));
1593         tp_chan = empathy_tp_chat_get_channel (tp_chat);
1594         priv->handle_type = tp_chan->handle_type;
1595         chat_remote_contact_notify_cb (chat);
1596
1597         g_signal_connect (tp_chat, "message-received",
1598                           G_CALLBACK (chat_message_received_cb),
1599                           chat);
1600         g_signal_connect (tp_chat, "send-error",
1601                           G_CALLBACK (chat_send_error_cb),
1602                           chat);
1603         g_signal_connect (tp_chat, "chat-state-changed",
1604                           G_CALLBACK (chat_state_changed_cb),
1605                           chat);
1606         g_signal_connect (tp_chat, "property-changed",
1607                           G_CALLBACK (chat_property_changed_cb),
1608                           chat);
1609         g_signal_connect_swapped (tp_chat, "notify::remote-contact",
1610                                   G_CALLBACK (chat_remote_contact_notify_cb),
1611                                   chat);
1612         g_signal_connect (tp_chat, "destroy",
1613                           G_CALLBACK (chat_destroy_cb),
1614                           chat);
1615
1616         /* Block events for some time to avoid having "has come online" or
1617          * "joined" messages. */
1618         if (priv->block_events_timeout_id == 0) {
1619                 priv->block_events_timeout_id =
1620                         g_timeout_add_seconds (1, chat_block_events_timeout_cb, chat);
1621         }
1622
1623         gtk_widget_set_sensitive (chat->input_text_view, TRUE);
1624         empathy_chat_view_append_event (chat->view, _("Connected"));
1625
1626         g_object_notify (G_OBJECT (chat), "tp-chat");
1627         g_object_notify (G_OBJECT (chat), "id");
1628         g_object_notify (G_OBJECT (chat), "account");
1629 }
1630
1631 McAccount *
1632 empathy_chat_get_account (EmpathyChat *chat)
1633 {
1634         EmpathyChatPriv *priv = GET_PRIV (chat);
1635
1636         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1637
1638         return priv->account;
1639 }
1640
1641 const gchar *
1642 empathy_chat_get_name (EmpathyChat *chat)
1643 {
1644         EmpathyChatPriv *priv = GET_PRIV (chat);
1645
1646         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1647
1648         return priv->name;
1649 }
1650
1651 const gchar *
1652 empathy_chat_get_subject (EmpathyChat *chat)
1653 {
1654         EmpathyChatPriv *priv = GET_PRIV (chat);
1655
1656         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1657
1658         return priv->subject;
1659 }
1660
1661 const gchar *
1662 empathy_chat_get_tooltip (EmpathyChat *chat)
1663 {
1664         EmpathyChatPriv *priv = GET_PRIV (chat);
1665
1666         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1667
1668         return priv->tooltip;
1669 }
1670
1671 EmpathyContact *
1672 empathy_chat_get_selected_contact (EmpathyChat *chat)
1673 {
1674         EmpathyChatPriv *priv = GET_PRIV (chat);
1675
1676         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1677
1678         return priv->selected_contact;
1679 }
1680
1681 const gchar *
1682 empathy_chat_get_id (EmpathyChat *chat)
1683 {
1684         EmpathyChatPriv *priv = GET_PRIV (chat);
1685
1686         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1687
1688         return priv->id;
1689 }
1690
1691 void
1692 empathy_chat_clear (EmpathyChat *chat)
1693 {
1694         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1695
1696         empathy_chat_view_clear (chat->view);
1697 }
1698
1699 void
1700 empathy_chat_scroll_down (EmpathyChat *chat)
1701 {
1702         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1703
1704         empathy_chat_view_scroll_down (chat->view);
1705 }
1706
1707 void
1708 empathy_chat_cut (EmpathyChat *chat)
1709 {
1710         GtkTextBuffer *buffer;
1711
1712         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1713
1714         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1715         if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
1716                 GtkClipboard *clipboard;
1717
1718                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1719
1720                 gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE);
1721         }
1722 }
1723
1724 void
1725 empathy_chat_copy (EmpathyChat *chat)
1726 {
1727         GtkTextBuffer *buffer;
1728
1729         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1730
1731         if (empathy_chat_view_get_selection_bounds (chat->view, NULL, NULL)) {
1732                 empathy_chat_view_copy_clipboard (chat->view);
1733                 return;
1734         }
1735
1736         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1737         if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
1738                 GtkClipboard *clipboard;
1739
1740                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1741
1742                 gtk_text_buffer_copy_clipboard (buffer, clipboard);
1743         }
1744 }
1745
1746 void
1747 empathy_chat_paste (EmpathyChat *chat)
1748 {
1749         GtkTextBuffer *buffer;
1750         GtkClipboard  *clipboard;
1751
1752         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1753
1754         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1755         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1756
1757         gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE);
1758 }
1759
1760 void
1761 empathy_chat_correct_word (EmpathyChat  *chat,
1762                           GtkTextIter  start,
1763                           GtkTextIter  end,
1764                           const gchar *new_word)
1765 {
1766         GtkTextBuffer *buffer;
1767
1768         g_return_if_fail (chat != NULL);
1769         g_return_if_fail (new_word != NULL);
1770
1771         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1772
1773         gtk_text_buffer_delete (buffer, &start, &end);
1774         gtk_text_buffer_insert (buffer, &start,
1775                                 new_word,
1776                                 -1);
1777 }
1778