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-contact-list-store.h"
  50 #include "empathy-contact-list-view.h"
  51 #include "empathy-ui-utils.h"
  52
  53 #define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EMPATHY_TYPE_CHAT, EmpathyChatPriv))
  54
  55 #define DEBUG_DOMAIN "Chat"
  56
  57 #define CHAT_DIR_CREATE_MODE  (S_IRUSR | S_IWUSR | S_IXUSR)
  58 #define CHAT_FILE_CREATE_MODE (S_IRUSR | S_IWUSR)
  59 #define IS_ENTER(v) (v == GDK_Return || v == GDK_ISO_Enter || v == GDK_KP_Enter)
  60 #define MAX_INPUT_HEIGHT 150
  61 #define COMPOSING_STOP_TIMEOUT 5
  62
  63 struct _EmpathyChatPriv {
  64         EmpathyTpChat     *tp_chat;
  65         McAccount         *account;
  66         gchar             *id;
  67         gchar             *name;
  68         gchar             *subject;
  69         EmpathyContact    *remote_contact;
  70
  71         EmpathyLogManager *log_manager;
  72         MissionControl    *mc;
  73         GSList            *sent_messages;
  74         gint               sent_messages_index;
  75         GList             *compositors;
  76         GList             *backlog_messages;
  77         GCompletion       *completion;
  78         guint              composing_stop_timeout_id;
  79         guint              block_events_timeout_id;
  80         TpHandleType       handle_type;
  81         gpointer           token;
  82         gint               contacts_width;
  83
  84         GtkWidget         *widget;
  85         GtkWidget         *hpaned;
  86         GtkWidget         *vbox_left;
  87         GtkWidget         *scrolled_window_chat;
  88         GtkWidget         *scrolled_window_input;
  89         GtkWidget         *scrolled_window_contacts;
  90         GtkWidget         *hbox_topic;
  91         GtkWidget         *label_topic;
  92         GtkWidget         *contact_list_view;
  93
  94         /* Used to automatically shrink a window that has temporarily
  95          * grown due to long input.
  96          */
  97         gint               padding_height;
  98         gint               default_window_height;
  99         gint               last_input_height;
 100         gboolean           vscroll_visible;
 101         gboolean           is_first_char;
 102 };
 103
 104 static void empathy_chat_class_init (EmpathyChatClass *klass);
 105 static void empathy_chat_init       (EmpathyChat      *chat);
 106
 107 enum {
 108         COMPOSING,
 109         NEW_MESSAGE,
 110         LAST_SIGNAL
 111 };
 112
 113 enum {
 114         PROP_0,
 115         PROP_TP_CHAT,
 116         PROP_ACCOUNT,
 117         PROP_ID,
 118         PROP_NAME,
 119         PROP_SUBJECT,
 120         PROP_REMOTE_CONTACT,
 121 };
 122
 123 static guint signals[LAST_SIGNAL] = { 0 };
 124
 125 G_DEFINE_TYPE (EmpathyChat, empathy_chat, GTK_TYPE_BIN);
 126
 127 static void
 128 chat_get_property (GObject    *object,
 129                    guint       param_id,
 130                    GValue     *value,
 131                    GParamSpec *pspec)
 132 {
 133         EmpathyChatPriv *priv = GET_PRIV (object);
 134
 135         switch (param_id) {
 136         case PROP_TP_CHAT:
 137                 g_value_set_object (value, priv->tp_chat);
 138                 break;
 139         case PROP_ACCOUNT:
 140                 g_value_set_object (value, priv->account);
 141                 break;
 142         case PROP_NAME:
 143                 g_value_set_string (value, priv->name);
 144                 break;
 145         case PROP_ID:
 146                 g_value_set_string (value, priv->id);
 147                 break;
 148         case PROP_SUBJECT:
 149                 g_value_set_string (value, priv->subject);
 150                 break;
 151         case PROP_REMOTE_CONTACT:
 152                 g_value_set_object (value, priv->remote_contact);
 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 != TP_HANDLE_TYPE_NONE) {
 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                 g_object_notify (G_OBJECT (chat), "tp-chat");
 279         }
 280
 281         empathy_chat_view_append_event (chat->view, _("Disconnected"));
 282         gtk_widget_set_sensitive (chat->input_text_view, FALSE);
 283 }
 284
 285 static void
 286 chat_sent_message_add (EmpathyChat  *chat,
 287                        const gchar *str)
 288 {
 289         EmpathyChatPriv *priv;
 290         GSList         *list;
 291         GSList         *item;
 292
 293         priv = GET_PRIV (chat);
 294
 295         /* Save the sent message in our repeat buffer */
 296         list = priv->sent_messages;
 297
 298         /* Remove any other occurances of this msg */
 299         while ((item = g_slist_find_custom (list, str, (GCompareFunc) strcmp)) != NULL) {
 300                 list = g_slist_remove_link (list, item);
 301                 g_free (item->data);
 302                 g_slist_free1 (item);
 303         }
 304
 305         /* Trim the list to the last 10 items */
 306         while (g_slist_length (list) > 10) {
 307                 item = g_slist_last (list);
 308                 if (item) {
 309                         list = g_slist_remove_link (list, item);
 310                         g_free (item->data);
 311                         g_slist_free1 (item);
 312                 }
 313         }
 314
 315         /* Add new message */
 316         list = g_slist_prepend (list, g_strdup (str));
 317
 318         /* Set list and reset the index */
 319         priv->sent_messages = list;
 320         priv->sent_messages_index = -1;
 321 }
 322
 323 static const gchar *
 324 chat_sent_message_get_next (EmpathyChat *chat)
 325 {
 326         EmpathyChatPriv *priv;
 327         gint            max;
 328
 329         priv = GET_PRIV (chat);
 330
 331         if (!priv->sent_messages) {
 332                 empathy_debug (DEBUG_DOMAIN,
 333                               "No sent messages, next message is NULL");
 334                 return NULL;
 335         }
 336
 337         max = g_slist_length (priv->sent_messages) - 1;
 338
 339         if (priv->sent_messages_index < max) {
 340                 priv->sent_messages_index++;
 341         }
 342
 343         empathy_debug (DEBUG_DOMAIN,
 344                       "Returning next message index:%d",
 345                       priv->sent_messages_index);
 346
 347         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 348 }
 349
 350 static const gchar *
 351 chat_sent_message_get_last (EmpathyChat *chat)
 352 {
 353         EmpathyChatPriv *priv;
 354
 355         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
 356
 357         priv = GET_PRIV (chat);
 358
 359         if (!priv->sent_messages) {
 360                 empathy_debug (DEBUG_DOMAIN,
 361                               "No sent messages, last message is NULL");
 362                 return NULL;
 363         }
 364
 365         if (priv->sent_messages_index >= 0) {
 366                 priv->sent_messages_index--;
 367         }
 368
 369         empathy_debug (DEBUG_DOMAIN,
 370                       "Returning last message index:%d",
 371                       priv->sent_messages_index);
 372
 373         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 374 }
 375
 376 static void
 377 chat_send (EmpathyChat  *chat,
 378            const gchar *msg)
 379 {
 380         EmpathyChatPriv *priv;
 381         EmpathyMessage  *message;
 382
 383         priv = GET_PRIV (chat);
 384
 385         if (G_STR_EMPTY (msg)) {
 386                 return;
 387         }
 388
 389         chat_sent_message_add (chat, msg);
 390
 391         if (g_str_has_prefix (msg, "/clear")) {
 392                 empathy_chat_view_clear (chat->view);
 393                 return;
 394         }
 395
 396         message = empathy_message_new (msg);
 397
 398         empathy_tp_chat_send (priv->tp_chat, message);
 399
 400         g_object_unref (message);
 401 }
 402
 403 static void
 404 chat_input_text_view_send (EmpathyChat *chat)
 405 {
 406         EmpathyChatPriv *priv;
 407         GtkTextBuffer  *buffer;
 408         GtkTextIter     start, end;
 409         gchar          *msg;
 410
 411         priv = GET_PRIV (chat);
 412
 413         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 414
 415         gtk_text_buffer_get_bounds (buffer, &start, &end);
 416         msg = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 417
 418         /* clear the input field */
 419         gtk_text_buffer_set_text (buffer, "", -1);
 420
 421         chat_send (chat, msg);
 422         g_free (msg);
 423
 424         priv->is_first_char = TRUE;
 425 }
 426
 427 static void
 428 chat_state_changed_cb (EmpathyTpChat      *tp_chat,
 429                        EmpathyContact     *contact,
 430                        TpChannelChatState  state,
 431                        EmpathyChat        *chat)
 432 {
 433         EmpathyChatPriv *priv;
 434         GList          *l;
 435         gboolean        was_composing;
 436
 437         priv = GET_PRIV (chat);
 438
 439         if (empathy_contact_is_user (contact)) {
 440                 /* We don't care about our own chat state */
 441                 return;
 442         }
 443
 444         was_composing = (priv->compositors != NULL);
 445
 446         /* Find the contact in the list. After that l is the list elem or NULL */
 447         for (l = priv->compositors; l; l = l->next) {
 448                 if (contact == l->data) {
 449                         break;
 450                 }
 451         }
 452
 453         switch (state) {
 454         case TP_CHANNEL_CHAT_STATE_GONE:
 455         case TP_CHANNEL_CHAT_STATE_INACTIVE:
 456         case TP_CHANNEL_CHAT_STATE_PAUSED:
 457         case TP_CHANNEL_CHAT_STATE_ACTIVE:
 458                 /* Contact is not composing */
 459                 if (l) {
 460                         priv->compositors = g_list_remove_link (priv->compositors, l);
 461                         g_object_unref (l->data);
 462                         g_list_free1 (l);
 463                 }
 464                 break;
 465         case TP_CHANNEL_CHAT_STATE_COMPOSING:
 466                 /* Contact is composing */
 467                 if (!l) {
 468                         priv->compositors = g_list_prepend (priv->compositors,
 469                                                             g_object_ref (contact));
 470                 }
 471                 break;
 472         default:
 473                 g_assert_not_reached ();
 474         }
 475
 476         empathy_debug (DEBUG_DOMAIN, "Was composing: %s now composing: %s",
 477                       was_composing ? "yes" : "no",
 478                       priv->compositors ? "yes" : "no");
 479
 480         if ((was_composing && !priv->compositors) ||
 481             (!was_composing && priv->compositors)) {
 482                 /* Composing state changed */
 483                 g_signal_emit (chat, signals[COMPOSING], 0,
 484                                priv->compositors != NULL);
 485         }
 486 }
 487
 488 static void
 489 chat_message_received_cb (EmpathyTpChat  *tp_chat,
 490                           EmpathyMessage *message,
 491                           EmpathyChat    *chat)
 492 {
 493         EmpathyChatPriv *priv;
 494         EmpathyContact  *sender;
 495         const gchar     *body;
 496
 497         priv = GET_PRIV (chat);
 498
 499         sender = empathy_message_get_sender (message);
 500         body = empathy_message_get_body (message);
 501         while (priv->backlog_messages) {
 502                 EmpathyMessage *log_message;
 503                 EmpathyContact *log_sender;
 504                 const gchar    *log_body;
 505
 506                 log_message = priv->backlog_messages->data;
 507                 log_sender = empathy_message_get_sender (log_message);
 508                 log_body = empathy_message_get_body (log_message);
 509
 510                 priv->backlog_messages = g_list_remove (priv->backlog_messages,
 511                                                         log_message);
 512
 513                 if (empathy_contact_equal (sender, log_sender) &&
 514                     !tp_strdiff (body, log_body)) {
 515                         /* The message we received is already displayed because
 516                          * some jabber chatrooms sends us back logs and we
 517                          * already displayed it from localy logged messages. */
 518                         empathy_debug (DEBUG_DOMAIN, "Skipping message because "
 519                                        "it is already displayed from logged "
 520                                        "messages");
 521                         g_object_unref (log_message);
 522                         return;
 523                 }
 524                 g_object_unref (log_message);
 525         }
 526
 527         empathy_debug (DEBUG_DOMAIN, "Appending new message from %s (%d)",
 528                        empathy_contact_get_name (sender),
 529                        empathy_contact_get_handle (sender));
 530
 531         if (priv->id) {
 532                 gboolean is_chatroom;
 533
 534                 is_chatroom = priv->handle_type == TP_HANDLE_TYPE_ROOM;
 535                 empathy_log_manager_add_message (priv->log_manager,
 536                                                  priv->id, is_chatroom,
 537                                                  message);
 538         }
 539
 540         empathy_chat_view_append_message (chat->view, message);
 541
 542         /* We received a message so the contact is no more composing */
 543         chat_state_changed_cb (tp_chat, sender,
 544                                TP_CHANNEL_CHAT_STATE_ACTIVE,
 545                                chat);
 546
 547         g_signal_emit (chat, signals[NEW_MESSAGE], 0, message);
 548 }
 549
 550 static void
 551 chat_send_error_cb (EmpathyTpChat          *tp_chat,
 552                     EmpathyMessage         *message,
 553                     TpChannelTextSendError  error_code,
 554                     EmpathyChat            *chat)
 555 {
 556         const gchar *error;
 557         gchar       *str;
 558
 559         switch (error_code) {
 560         case TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE:
 561                 error = _("offline");
 562                 break;
 563         case TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT:
 564                 error = _("invalid contact");
 565                 break;
 566         case TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED:
 567                 error = _("permission denied");
 568                 break;
 569         case TP_CHANNEL_TEXT_SEND_ERROR_TOO_LONG:
 570                 error = _("too long message");
 571                 break;
 572         case TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED:
 573                 error = _("not implemented");
 574                 break;
 575         default:
 576                 error = _("unknown");
 577                 break;
 578         }
 579
 580         str = g_strdup_printf (_("Error sending message '%s': %s"),
 581                                empathy_message_get_body (message),
 582                                error);
 583         empathy_chat_view_append_event (chat->view, str);
 584         g_free (str);
 585 }
 586
 587 static void
 588 chat_property_changed_cb (EmpathyTpChat *tp_chat,
 589                           const gchar   *name,
 590                           GValue        *value,
 591                           EmpathyChat   *chat)
 592 {
 593         EmpathyChatPriv *priv = GET_PRIV (chat);
 594
 595         if (!tp_strdiff (name, "subject")) {
 596                 g_free (priv->subject);
 597                 priv->subject = g_value_dup_string (value);
 598                 g_object_notify (G_OBJECT (chat), "subject");
 599
 600                 if (G_STR_EMPTY (priv->subject)) {
 601                         gtk_widget_hide (priv->hbox_topic);
 602                 } else {
 603                         gtk_label_set_text (GTK_LABEL (priv->label_topic), priv->subject);
 604                         gtk_widget_show (priv->hbox_topic);
 605                 }
 606                 if (priv->block_events_timeout_id == 0) {
 607                         gchar *str;
 608
 609                         if (!G_STR_EMPTY (priv->subject)) {
 610                                 str = g_strdup_printf (_("Topic set to: %s"), priv->subject);
 611                         } else {
 612                                 str = g_strdup (_("No topic defined"));
 613                         }
 614                         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
 615                         g_free (str);
 616                 }
 617         }
 618         else if (!tp_strdiff (name, "name")) {
 619                 g_free (priv->name);
 620                 priv->name = g_value_dup_string (value);
 621                 g_object_notify (G_OBJECT (chat), "name");
 622         }
 623 }
 624
 625 static gboolean
 626 chat_get_is_command (const gchar *str)
 627 {
 628         g_return_val_if_fail (str != NULL, FALSE);
 629
 630         if (str[0] != '/') {
 631                 return FALSE;
 632         }
 633
 634         if (g_str_has_prefix (str, "/me")) {
 635                 return TRUE;
 636         }
 637         else if (g_str_has_prefix (str, "/nick")) {
 638                 return TRUE;
 639         }
 640         else if (g_str_has_prefix (str, "/topic")) {
 641                 return TRUE;
 642         }
 643
 644         return FALSE;
 645 }
 646
 647 static void
 648 chat_input_text_buffer_changed_cb (GtkTextBuffer *buffer,
 649                                    EmpathyChat    *chat)
 650 {
 651         EmpathyChatPriv *priv;
 652         GtkTextIter     start, end;
 653         gchar          *str;
 654         gboolean        spell_checker = FALSE;
 655
 656         priv = GET_PRIV (chat);
 657
 658         if (gtk_text_buffer_get_char_count (buffer) == 0) {
 659                 chat_composing_stop (chat);
 660         } else {
 661                 chat_composing_start (chat);
 662         }
 663
 664         empathy_conf_get_bool (empathy_conf_get (),
 665                               EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED,
 666                               &spell_checker);
 667
 668         if (priv->is_first_char) {
 669                 GtkRequisition  req;
 670                 gint            window_height;
 671                 GtkWindow      *dialog;
 672                 GtkAllocation  *allocation;
 673
 674                 /* Save the window's size */
 675                 dialog = empathy_get_toplevel_window (GTK_WIDGET (chat));
 676                 if (dialog) {
 677                         gtk_window_get_size (GTK_WINDOW (dialog), NULL, &window_height);
 678                         gtk_widget_size_request (chat->input_text_view, &req);
 679                         allocation = &GTK_WIDGET (chat->view)->allocation;
 680
 681                         priv->default_window_height = window_height;
 682                         priv->last_input_height = req.height;
 683                         priv->padding_height = window_height - req.height - allocation->height;
 684                 }
 685
 686                 priv->is_first_char = FALSE;
 687         }
 688
 689         gtk_text_buffer_get_start_iter (buffer, &start);
 690
 691         if (!spell_checker) {
 692                 gtk_text_buffer_get_end_iter (buffer, &end);
 693                 gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 694                 return;
 695         }
 696
 697         if (!empathy_spell_supported ()) {
 698                 return;
 699         }
 700
 701         /* NOTE: this is really inefficient, we shouldn't have to
 702            reiterate the whole buffer each time and check each work
 703            every time. */
 704         while (TRUE) {
 705                 gboolean correct = FALSE;
 706
 707                 /* if at start */
 708                 if (gtk_text_iter_is_start (&start)) {
 709                         end = start;
 710
 711                         if (!gtk_text_iter_forward_word_end (&end)) {
 712                                 /* no whole word yet */
 713                                 break;
 714                         }
 715                 } else {
 716                         if (!gtk_text_iter_forward_word_end (&end)) {
 717                                 /* must be the end of the buffer */
 718                                 break;
 719                         }
 720
 721                         start = end;
 722                         gtk_text_iter_backward_word_start (&start);
 723                 }
 724
 725                 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 726
 727                 /* spell check string */
 728                 if (!chat_get_is_command (str)) {
 729                         correct = empathy_spell_check (str);
 730                 } else {
 731                         correct = TRUE;
 732                 }
 733
 734                 if (!correct) {
 735                         gtk_text_buffer_apply_tag_by_name (buffer, "misspelled", &start, &end);
 736                 } else {
 737                         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 738                 }
 739
 740                 g_free (str);
 741
 742                 /* set start iter to the end iters position */
 743                 start = end;
 744         }
 745 }
 746
 747 static gboolean
 748 chat_input_key_press_event_cb (GtkWidget   *widget,
 749                                GdkEventKey *event,
 750                                EmpathyChat *chat)
 751 {
 752         EmpathyChatPriv *priv;
 753         GtkAdjustment  *adj;
 754         gdouble         val;
 755         GtkWidget      *text_view_sw;
 756
 757         priv = GET_PRIV (chat);
 758
 759         /* Catch ctrl+up/down so we can traverse messages we sent */
 760         if ((event->state & GDK_CONTROL_MASK) &&
 761             (event->keyval == GDK_Up ||
 762              event->keyval == GDK_Down)) {
 763                 GtkTextBuffer *buffer;
 764                 const gchar   *str;
 765
 766                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 767
 768                 if (event->keyval == GDK_Up) {
 769                         str = chat_sent_message_get_next (chat);
 770                 } else {
 771                         str = chat_sent_message_get_last (chat);
 772                 }
 773
 774                 g_signal_handlers_block_by_func (buffer,
 775                                                  chat_input_text_buffer_changed_cb,
 776                                                  chat);
 777                 gtk_text_buffer_set_text (buffer, str ? str : "", -1);
 778                 g_signal_handlers_unblock_by_func (buffer,
 779                                                    chat_input_text_buffer_changed_cb,
 780                                                    chat);
 781
 782                 return TRUE;
 783         }
 784
 785         /* Catch enter but not ctrl/shift-enter */
 786         if (IS_ENTER (event->keyval) &&
 787             !(event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
 788                 GtkTextView *view;
 789
 790                 /* This is to make sure that kinput2 gets the enter. And if
 791                  * it's handled there we shouldn't send on it. This is because
 792                  * kinput2 uses Enter to commit letters. See:
 793                  * http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104299
 794                  */
 795
 796                 view = GTK_TEXT_VIEW (chat->input_text_view);
 797                 if (gtk_im_context_filter_keypress (view->im_context, event)) {
 798                         GTK_TEXT_VIEW (chat->input_text_view)->need_im_reset = TRUE;
 799                         return TRUE;
 800                 }
 801
 802                 chat_input_text_view_send (chat);
 803                 return TRUE;
 804         }
 805
 806         text_view_sw = gtk_widget_get_parent (GTK_WIDGET (chat->view));
 807
 808         if (IS_ENTER (event->keyval) &&
 809             (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
 810                 /* Newline for shift/control-enter. */
 811                 return FALSE;
 812         }
 813         if (!(event->state & GDK_CONTROL_MASK) &&
 814             event->keyval == GDK_Page_Up) {
 815                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 816                 gtk_adjustment_set_value (adj, adj->value - adj->page_size);
 817                 return TRUE;
 818         }
 819         if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 820             event->keyval == GDK_Page_Down) {
 821                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 822                 val = MIN (adj->value + adj->page_size, adj->upper - adj->page_size);
 823                 gtk_adjustment_set_value (adj, val);
 824                 return TRUE;
 825         }
 826         if (!(event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) &&
 827             event->keyval == GDK_Tab) {
 828                 GtkTextBuffer *buffer;
 829                 GtkTextIter    start, current;
 830                 gchar         *nick, *completed;
 831                 GList         *list, *completed_list;
 832                 gboolean       is_start_of_buffer;
 833
 834                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (EMPATHY_CHAT (chat)->input_text_view));
 835                 gtk_text_buffer_get_iter_at_mark (buffer, &current, gtk_text_buffer_get_insert (buffer));
 836
 837                 /* Get the start of the nick to complete. */
 838                 gtk_text_buffer_get_iter_at_mark (buffer, &start, gtk_text_buffer_get_insert (buffer));
 839                 gtk_text_iter_backward_word_start (&start);
 840                 is_start_of_buffer = gtk_text_iter_is_start (&start);
 841
 842                 list = empathy_contact_list_get_members (EMPATHY_CONTACT_LIST (priv->tp_chat));
 843                 g_completion_add_items (priv->completion, list);
 844
 845                 nick = gtk_text_buffer_get_text (buffer, &start, &current, FALSE);
 846                 completed_list = g_completion_complete (priv->completion,
 847                                                         nick,
 848                                                         &completed);
 849
 850                 g_free (nick);
 851
 852                 if (completed) {
 853                         guint        len;
 854                         const gchar *text;
 855                         gchar       *complete_char = NULL;
 856
 857                         gtk_text_buffer_delete (buffer, &start, &current);
 858
 859                         len = g_list_length (completed_list);
 860
 861                         if (len == 1) {
 862                                 /* If we only have one hit, use that text
 863                                  * instead of the text in completed since the
 864                                  * completed text will use the typed string
 865                                  * which might be cased all wrong.
 866                                  * Fixes #120876
 867                                  * */
 868                                 text = empathy_contact_get_name (completed_list->data);
 869                         } else {
 870                                 text = completed;
 871                         }
 872
 873                         gtk_text_buffer_insert_at_cursor (buffer, text, strlen (text));
 874
 875                         if (len == 1 && is_start_of_buffer &&
 876                             empathy_conf_get_string (empathy_conf_get (),
 877                                                      EMPATHY_PREFS_CHAT_NICK_COMPLETION_CHAR,
 878                                                      &complete_char) &&
 879                             complete_char != NULL) {
 880                                 gtk_text_buffer_insert_at_cursor (buffer,
 881                                                                   complete_char,
 882                                                                   strlen (complete_char));
 883                                 gtk_text_buffer_insert_at_cursor (buffer, " ", 1);
 884                                 g_free (complete_char);
 885                         }
 886
 887                         g_free (completed);
 888                 }
 889
 890                 g_completion_clear_items (priv->completion);
 891
 892                 g_list_foreach (list, (GFunc) g_object_unref, NULL);
 893                 g_list_free (list);
 894
 895                 return TRUE;
 896         }
 897
 898         return FALSE;
 899 }
 900
 901 static gboolean
 902 chat_text_view_focus_in_event_cb (GtkWidget  *widget,
 903                                   GdkEvent   *event,
 904                                   EmpathyChat *chat)
 905 {
 906         gtk_widget_grab_focus (chat->input_text_view);
 907
 908         return TRUE;
 909 }
 910
 911 typedef struct {
 912         GtkWindow *window;
 913         gint       width;
 914         gint       height;
 915 } ChangeSizeData;
 916
 917 static gboolean
 918 chat_change_size_in_idle_cb (ChangeSizeData *data)
 919 {
 920         gtk_window_resize (data->window, data->width, data->height);
 921
 922         return FALSE;
 923 }
 924
 925 static void
 926 chat_text_view_scroll_hide_cb (GtkWidget  *widget,
 927                                EmpathyChat *chat)
 928 {
 929         EmpathyChatPriv *priv;
 930         GtkWidget      *sw;
 931
 932         priv = GET_PRIV (chat);
 933
 934         priv->vscroll_visible = FALSE;
 935         g_signal_handlers_disconnect_by_func (widget,
 936                                               chat_text_view_scroll_hide_cb,
 937                                               chat);
 938
 939         sw = gtk_widget_get_parent (chat->input_text_view);
 940         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 941                                         GTK_POLICY_NEVER,
 942                                         GTK_POLICY_NEVER);
 943         g_object_set (sw, "height-request", -1, NULL);
 944 }
 945
 946 static void
 947 chat_text_view_size_allocate_cb (GtkWidget     *widget,
 948                                  GtkAllocation *allocation,
 949                                  EmpathyChat    *chat)
 950 {
 951         EmpathyChatPriv *priv;
 952         gint            width;
 953         GtkWindow      *dialog;
 954         ChangeSizeData *data;
 955         gint            window_height;
 956         gint            new_height;
 957         GtkAllocation  *view_allocation;
 958         gint            current_height;
 959         gint            diff;
 960         GtkWidget      *sw;
 961
 962         priv = GET_PRIV (chat);
 963
 964         if (priv->default_window_height <= 0) {
 965                 return;
 966         }
 967
 968         sw = gtk_widget_get_parent (widget);
 969         if (sw->allocation.height >= MAX_INPUT_HEIGHT && !priv->vscroll_visible) {
 970                 GtkWidget *vscroll;
 971
 972                 priv->vscroll_visible = TRUE;
 973                 gtk_widget_set_size_request (sw, sw->allocation.width, MAX_INPUT_HEIGHT);
 974                 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 975                                                 GTK_POLICY_NEVER,
 976                                                 GTK_POLICY_AUTOMATIC);
 977                 vscroll = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (sw));
 978                 g_signal_connect (vscroll, "hide",
 979                                   G_CALLBACK (chat_text_view_scroll_hide_cb),
 980                                   chat);
 981         }
 982
 983         if (priv->last_input_height <= allocation->height) {
 984                 priv->last_input_height = allocation->height;
 985                 return;
 986         }
 987
 988         diff = priv->last_input_height - allocation->height;
 989         priv->last_input_height = allocation->height;
 990
 991         view_allocation = &GTK_WIDGET (chat->view)->allocation;
 992
 993         dialog = empathy_get_toplevel_window (GTK_WIDGET (widget));
 994         gtk_window_get_size (dialog, NULL, &current_height);
 995
 996         new_height = view_allocation->height + priv->padding_height + allocation->height - diff;
 997
 998         if (new_height <= priv->default_window_height) {
 999                 window_height = priv->default_window_height;
1000         } else {
1001                 window_height = new_height;
1002         }
1003
1004         if (current_height <= window_height) {
1005                 return;
1006         }
1007
1008         /* Restore the window's size */
1009         gtk_window_get_size (dialog, &width, NULL);
1010
1011         data = g_new0 (ChangeSizeData, 1);
1012         data->window = dialog;
1013         data->width  = width;
1014         data->height = window_height;
1015
1016         g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
1017                          (GSourceFunc) chat_change_size_in_idle_cb,
1018                          data, g_free);
1019 }
1020
1021 static void
1022 chat_text_view_realize_cb (GtkWidget  *widget,
1023                            EmpathyChat *chat)
1024 {
1025         empathy_debug (DEBUG_DOMAIN, "Setting focus to the input text view");
1026         gtk_widget_grab_focus (widget);
1027 }
1028
1029 static void
1030 chat_insert_smiley_activate_cb (GtkWidget   *menuitem,
1031                                 EmpathyChat *chat)
1032 {
1033         GtkTextBuffer *buffer;
1034         GtkTextIter    iter;
1035         const gchar   *smiley;
1036
1037         smiley = g_object_get_data (G_OBJECT (menuitem), "smiley_text");
1038
1039         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1040
1041         gtk_text_buffer_get_end_iter (buffer, &iter);
1042         gtk_text_buffer_insert (buffer, &iter, smiley, -1);
1043
1044         gtk_text_buffer_get_end_iter (buffer, &iter);
1045         gtk_text_buffer_insert (buffer, &iter, " ", -1);
1046 }
1047
1048 typedef struct {
1049         EmpathyChat  *chat;
1050         gchar       *word;
1051
1052         GtkTextIter  start;
1053         GtkTextIter  end;
1054 } EmpathyChatSpell;
1055
1056 static EmpathyChatSpell *
1057 chat_spell_new (EmpathyChat  *chat,
1058                 const gchar *word,
1059                 GtkTextIter  start,
1060                 GtkTextIter  end)
1061 {
1062         EmpathyChatSpell *chat_spell;
1063
1064         chat_spell = g_slice_new0 (EmpathyChatSpell);
1065
1066         chat_spell->chat = g_object_ref (chat);
1067         chat_spell->word = g_strdup (word);
1068         chat_spell->start = start;
1069         chat_spell->end = end;
1070
1071         return chat_spell;
1072 }
1073
1074 static void
1075 chat_spell_free (EmpathyChatSpell *chat_spell)
1076 {
1077         g_object_unref (chat_spell->chat);
1078         g_free (chat_spell->word);
1079         g_slice_free (EmpathyChatSpell, chat_spell);
1080 }
1081
1082 static void
1083 chat_text_check_word_spelling_cb (GtkMenuItem     *menuitem,
1084                                   EmpathyChatSpell *chat_spell)
1085 {
1086         empathy_spell_dialog_show (chat_spell->chat,
1087                                   chat_spell->start,
1088                                   chat_spell->end,
1089                                   chat_spell->word);
1090 }
1091
1092 static void
1093 chat_text_populate_popup_cb (GtkTextView *view,
1094                              GtkMenu     *menu,
1095                              EmpathyChat  *chat)
1096 {
1097         EmpathyChatPriv  *priv;
1098         GtkTextBuffer   *buffer;
1099         GtkTextTagTable *table;
1100         GtkTextTag      *tag;
1101         gint             x, y;
1102         GtkTextIter      iter, start, end;
1103         GtkWidget       *item;
1104         gchar           *str = NULL;
1105         EmpathyChatSpell *chat_spell;
1106         GtkWidget       *smiley_menu;
1107
1108         priv = GET_PRIV (chat);
1109
1110         /* Add the emoticon menu. */
1111         item = gtk_separator_menu_item_new ();
1112         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1113         gtk_widget_show (item);
1114
1115         item = gtk_menu_item_new_with_mnemonic (_("Insert Smiley"));
1116         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1117         gtk_widget_show (item);
1118
1119         smiley_menu = empathy_chat_view_get_smiley_menu (
1120                 G_CALLBACK (chat_insert_smiley_activate_cb),
1121                 chat);
1122         gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu);
1123
1124         /* Add the spell check menu item. */
1125         buffer = gtk_text_view_get_buffer (view);
1126         table = gtk_text_buffer_get_tag_table (buffer);
1127
1128         tag = gtk_text_tag_table_lookup (table, "misspelled");
1129
1130         gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
1131
1132         gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
1133                                                GTK_TEXT_WINDOW_WIDGET,
1134                                                x, y,
1135                                                &x, &y);
1136
1137         gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y);
1138
1139         start = end = iter;
1140
1141         if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
1142             gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
1143
1144                 str = gtk_text_buffer_get_text (buffer,
1145                                                 &start, &end, FALSE);
1146         }
1147
1148         if (G_STR_EMPTY (str)) {
1149                 return;
1150         }
1151
1152         chat_spell = chat_spell_new (chat, str, start, end);
1153
1154         g_object_set_data_full (G_OBJECT (menu),
1155                                 "chat_spell", chat_spell,
1156                                 (GDestroyNotify) chat_spell_free);
1157
1158         item = gtk_separator_menu_item_new ();
1159         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1160         gtk_widget_show (item);
1161
1162         item = gtk_menu_item_new_with_mnemonic (_("_Check Word Spelling..."));
1163         g_signal_connect (item,
1164                           "activate",
1165                           G_CALLBACK (chat_text_check_word_spelling_cb),
1166                           chat_spell);
1167         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1168         gtk_widget_show (item);
1169 }
1170
1171 static void
1172 chat_add_logs (EmpathyChat *chat)
1173 {
1174         EmpathyChatPriv *priv = GET_PRIV (chat);
1175         gboolean         is_chatroom;
1176         GList           *messages, *l;
1177         guint            num_messages;
1178         guint            i;
1179
1180         if (!priv->id) {
1181                 return;
1182         }
1183
1184         /* Turn off scrolling temporarily */
1185         empathy_chat_view_scroll (chat->view, FALSE);
1186
1187         /* Add messages from last conversation */
1188         is_chatroom = priv->handle_type == TP_HANDLE_TYPE_ROOM;
1189         messages = empathy_log_manager_get_last_messages (priv->log_manager,
1190                                                           priv->account,
1191                                                           priv->id,
1192                                                           is_chatroom);
1193         num_messages  = g_list_length (messages);
1194
1195         /* Only keep the 10 last messages */
1196         for (i = 0; num_messages - i > 10; i++) {
1197                 EmpathyMessage *message;
1198
1199                 message = messages->data;
1200                 messages = g_list_remove (messages, message);
1201                 g_object_unref (message);
1202         }
1203
1204         for (l = messages; l; l = l->next) {
1205                 empathy_chat_view_append_message (chat->view, l->data);
1206         }
1207         priv->backlog_messages = messages;
1208
1209         /* Turn back on scrolling */
1210         empathy_chat_view_scroll (chat->view, TRUE);
1211 }
1212
1213 static gint
1214 chat_contacts_completion_func (const gchar *s1,
1215                                const gchar *s2,
1216                                gsize        n)
1217 {
1218         gchar *tmp, *nick1, *nick2;
1219         gint   ret;
1220
1221         if (s1 == s2) {
1222                 return 0;
1223         }
1224         if (!s1 || !s2) {
1225                 return s1 ? -1 : +1;
1226         }
1227
1228         tmp = g_utf8_normalize (s1, -1, G_NORMALIZE_DEFAULT);
1229         nick1 = g_utf8_casefold (tmp, -1);
1230         g_free (tmp);
1231
1232         tmp = g_utf8_normalize (s2, -1, G_NORMALIZE_DEFAULT);
1233         nick2 = g_utf8_casefold (tmp, -1);
1234         g_free (tmp);
1235
1236         ret = strncmp (nick1, nick2, n);
1237
1238         g_free (nick1);
1239         g_free (nick2);
1240
1241         return ret;
1242 }
1243
1244 static void
1245 chat_members_changed_cb (EmpathyTpChat  *tp_chat,
1246                          EmpathyContact *contact,
1247                          EmpathyContact *actor,
1248                          guint           reason,
1249                          gchar          *message,
1250                          gboolean        is_member,
1251                          EmpathyChat    *chat)
1252 {
1253         EmpathyChatPriv *priv = GET_PRIV (chat);
1254
1255         if (priv->block_events_timeout_id == 0) {
1256                 gchar *str;
1257
1258                 empathy_contact_run_until_ready (contact,
1259                                                  EMPATHY_CONTACT_READY_NAME,
1260                                                  NULL);
1261
1262                 if (is_member) {
1263                         str = g_strdup_printf (_("%s has joined the room"),
1264                                                empathy_contact_get_name (contact));
1265                 } else {
1266                         str = g_strdup_printf (_("%s has left the room"),
1267                                                empathy_contact_get_name (contact));
1268                 }
1269                 empathy_chat_view_append_event (chat->view, str);
1270                 g_free (str);
1271         }
1272 }
1273
1274 static gboolean
1275 chat_reset_size_request (gpointer widget)
1276 {
1277         gtk_widget_set_size_request (widget, -1, -1);
1278
1279         return FALSE;
1280 }
1281
1282 static void
1283 chat_set_show_contacts (EmpathyChat *chat, gboolean show)
1284 {
1285         EmpathyChatPriv *priv = GET_PRIV (chat);
1286
1287         if (!priv->scrolled_window_contacts) {
1288                 return;
1289         }
1290
1291         if (show) {
1292                 EmpathyContactListStore *store;
1293                 gint                     min_width;
1294
1295                 /* We are adding the contact list to the chat, we don't want the
1296                  * chat view to become too small. If the chat view is already
1297                  * smaller than 250 make sure that size won't change. If the
1298                  * chat view is bigger the contact list will take some space on
1299                  * it but we make sure the chat view don't become smaller than
1300                  * 250. Relax the size request once the resize is done */
1301                 min_width = MIN (priv->vbox_left->allocation.width, 250);
1302                 gtk_widget_set_size_request (priv->vbox_left, min_width, -1);
1303                 g_idle_add (chat_reset_size_request, priv->vbox_left);
1304
1305                 if (priv->contacts_width > 0) {
1306                         gtk_paned_set_position (GTK_PANED (priv->hpaned),
1307                                                 priv->contacts_width);
1308                 }
1309
1310                 store = empathy_contact_list_store_new (EMPATHY_CONTACT_LIST (priv->tp_chat));
1311                 priv->contact_list_view = GTK_WIDGET (empathy_contact_list_view_new (store,
1312                         EMPATHY_CONTACT_LIST_FEATURE_CONTACT_CHAT |
1313                         EMPATHY_CONTACT_LIST_FEATURE_CONTACT_CALL |
1314                         EMPATHY_CONTACT_LIST_FEATURE_CONTACT_LOG |
1315                         EMPATHY_CONTACT_LIST_FEATURE_CONTACT_FT |
1316                         EMPATHY_CONTACT_LIST_FEATURE_CONTACT_INVITE |
1317                         EMPATHY_CONTACT_LIST_FEATURE_CONTACT_INFO));
1318                 gtk_container_add (GTK_CONTAINER (priv->scrolled_window_contacts),
1319                                    priv->contact_list_view);
1320                 gtk_widget_show (priv->contact_list_view);
1321                 gtk_widget_show (priv->scrolled_window_contacts);
1322                 g_object_unref (store);
1323         } else {
1324                 priv->contacts_width = gtk_paned_get_position (GTK_PANED (priv->hpaned));
1325                 gtk_widget_hide (priv->scrolled_window_contacts);
1326                 if (priv->contact_list_view) {
1327                         gtk_widget_destroy (priv->contact_list_view);
1328                         priv->contact_list_view = NULL;
1329                 }
1330         }
1331 }
1332
1333 static void
1334 chat_remote_contact_changed_cb (EmpathyChat *chat)
1335 {
1336         EmpathyChatPriv *priv = GET_PRIV (chat);
1337
1338         if (priv->remote_contact) {
1339                 g_object_unref (priv->remote_contact);
1340                 priv->remote_contact = NULL;
1341         }
1342
1343         priv->remote_contact = empathy_tp_chat_get_remote_contact (priv->tp_chat);
1344         if (priv->remote_contact) {
1345                 g_object_ref (priv->remote_contact);
1346                 priv->handle_type = TP_HANDLE_TYPE_CONTACT;
1347                 g_free (priv->id);
1348                 priv->id = g_strdup (empathy_contact_get_id (priv->remote_contact));
1349         }
1350         else if (priv->tp_chat) {
1351                 TpChannel *channel;
1352
1353                 channel = empathy_tp_chat_get_channel (priv->tp_chat);
1354                 g_object_get (channel, "handle-type", &priv->handle_type, NULL);
1355                 g_free (priv->id);
1356                 priv->id = g_strdup (empathy_tp_chat_get_id (priv->tp_chat));
1357         }
1358
1359         chat_set_show_contacts (chat, priv->remote_contact == NULL);
1360
1361         g_object_notify (G_OBJECT (chat), "remote-contact");
1362         g_object_notify (G_OBJECT (chat), "id");
1363 }
1364
1365 static void
1366 chat_create_ui (EmpathyChat *chat)
1367 {
1368         EmpathyChatPriv *priv = GET_PRIV (chat);
1369         GladeXML        *glade;
1370         GList           *list = NULL;
1371         gchar           *filename;
1372         GtkTextBuffer   *buffer;
1373
1374         filename = empathy_file_lookup ("empathy-chat.glade",
1375                                         "libempathy-gtk");
1376         glade = empathy_glade_get_file (filename,
1377                                         "chat_widget",
1378                                         NULL,
1379                                         "chat_widget", &priv->widget,
1380                                         "hpaned", &priv->hpaned,
1381                                         "vbox_left", &priv->vbox_left,
1382                                         "scrolled_window_chat", &priv->scrolled_window_chat,
1383                                         "scrolled_window_input", &priv->scrolled_window_input,
1384                                         "hbox_topic", &priv->hbox_topic,
1385                                         "label_topic", &priv->label_topic,
1386                                         "scrolled_window_contacts", &priv->scrolled_window_contacts,
1387                                         NULL);
1388         g_free (filename);
1389         g_object_unref (glade);
1390
1391         /* Add message GtkTextView. */
1392         chat->view = empathy_chat_view_new ();
1393         g_signal_connect (chat->view, "focus_in_event",
1394                           G_CALLBACK (chat_text_view_focus_in_event_cb),
1395                           chat);
1396         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat),
1397                            GTK_WIDGET (chat->view));
1398         gtk_widget_show (GTK_WIDGET (chat->view));
1399
1400         /* Add input GtkTextView */
1401         chat->input_text_view = g_object_new (GTK_TYPE_TEXT_VIEW,
1402                                               "pixels-above-lines", 2,
1403                                               "pixels-below-lines", 2,
1404                                               "pixels-inside-wrap", 1,
1405                                               "right-margin", 2,
1406                                               "left-margin", 2,
1407                                               "wrap-mode", GTK_WRAP_WORD_CHAR,
1408                                               NULL);
1409         g_signal_connect (chat->input_text_view, "key_press_event",
1410                           G_CALLBACK (chat_input_key_press_event_cb),
1411                           chat);
1412         g_signal_connect (chat->input_text_view, "size_allocate",
1413                           G_CALLBACK (chat_text_view_size_allocate_cb),
1414                           chat);
1415         g_signal_connect (chat->input_text_view, "realize",
1416                           G_CALLBACK (chat_text_view_realize_cb),
1417                           chat);
1418         g_signal_connect (chat->input_text_view, "populate_popup",
1419                           G_CALLBACK (chat_text_populate_popup_cb),
1420                           chat);
1421         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1422         g_signal_connect (buffer, "changed",
1423                           G_CALLBACK (chat_input_text_buffer_changed_cb),
1424                           chat);
1425         gtk_text_buffer_create_tag (buffer, "misspelled",
1426                                     "underline", PANGO_UNDERLINE_ERROR,
1427                                     NULL);
1428         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input),
1429                            chat->input_text_view);
1430         gtk_widget_show (chat->input_text_view);
1431
1432         /* Create contact list */
1433         chat_set_show_contacts (chat, priv->remote_contact == NULL);
1434
1435         /* Initialy hide the topic, will be shown if not empty */
1436         gtk_widget_hide (priv->hbox_topic);
1437
1438         /* Set widget focus order */
1439         list = g_list_append (NULL, priv->scrolled_window_input);
1440         gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list);
1441         g_list_free (list);
1442
1443         list = g_list_append (NULL, priv->vbox_left);
1444         list = g_list_append (list, priv->scrolled_window_contacts);
1445         gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list);
1446         g_list_free (list);
1447
1448         list = g_list_append (NULL, priv->hpaned);
1449         list = g_list_append (list, priv->hbox_topic);
1450         gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list);
1451         g_list_free (list);
1452
1453         /* Add the main widget in the chat widget */
1454         gtk_container_add (GTK_CONTAINER (chat), priv->widget);
1455 }
1456
1457 static void
1458 chat_size_request (GtkWidget      *widget,
1459                    GtkRequisition *requisition)
1460 {
1461   GtkBin *bin = GTK_BIN (widget);
1462
1463   requisition->width = GTK_CONTAINER (widget)->border_width * 2;
1464   requisition->height = GTK_CONTAINER (widget)->border_width * 2;
1465
1466   if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
1467     {
1468       GtkRequisition child_requisition;
1469
1470       gtk_widget_size_request (bin->child, &child_requisition);
1471
1472       requisition->width += child_requisition.width;
1473       requisition->height += child_requisition.height;
1474     }
1475 }
1476
1477 static void
1478 chat_size_allocate (GtkWidget     *widget,
1479                     GtkAllocation *allocation)
1480 {
1481   GtkBin *bin = GTK_BIN (widget);
1482   GtkAllocation child_allocation;
1483
1484   widget->allocation = *allocation;
1485
1486   if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
1487     {
1488       child_allocation.x = allocation->x + GTK_CONTAINER (widget)->border_width;
1489       child_allocation.y = allocation->y + GTK_CONTAINER (widget)->border_width;
1490       child_allocation.width = MAX (allocation->width - GTK_CONTAINER (widget)->border_width * 2, 0);
1491       child_allocation.height = MAX (allocation->height - GTK_CONTAINER (widget)->border_width * 2, 0);
1492
1493       gtk_widget_size_allocate (bin->child, &child_allocation);
1494     }
1495 }
1496
1497 static void
1498 chat_finalize (GObject *object)
1499 {
1500         EmpathyChat     *chat;
1501         EmpathyChatPriv *priv;
1502
1503         chat = EMPATHY_CHAT (object);
1504         priv = GET_PRIV (chat);
1505
1506         empathy_debug (DEBUG_DOMAIN, "Finalized: %p", object);
1507
1508         g_slist_foreach (priv->sent_messages, (GFunc) g_free, NULL);
1509         g_slist_free (priv->sent_messages);
1510
1511         g_list_foreach (priv->compositors, (GFunc) g_object_unref, NULL);
1512         g_list_free (priv->compositors);
1513
1514         g_list_foreach (priv->backlog_messages, (GFunc) g_object_unref, NULL);
1515         g_list_free (priv->backlog_messages);
1516
1517         chat_composing_remove_timeout (chat);
1518
1519         empathy_disconnect_account_status_changed (priv->token);
1520         g_object_unref (priv->mc);
1521         g_object_unref (priv->log_manager);
1522
1523         if (priv->tp_chat) {
1524                 g_object_unref (priv->tp_chat);
1525         }
1526         if (priv->account) {
1527                 g_object_unref (priv->account);
1528         }
1529         if (priv->remote_contact) {
1530                 g_object_unref (priv->remote_contact);
1531         }
1532
1533         if (priv->block_events_timeout_id) {
1534                 g_source_remove (priv->block_events_timeout_id);
1535         }
1536
1537         g_free (priv->id);
1538         g_free (priv->name);
1539         g_free (priv->subject);
1540
1541         G_OBJECT_CLASS (empathy_chat_parent_class)->finalize (object);
1542 }
1543
1544 static void
1545 chat_constructed (GObject *object)
1546 {
1547         EmpathyChat *chat = EMPATHY_CHAT (object);
1548
1549         chat_create_ui (chat);
1550         chat_add_logs (chat);
1551 }
1552
1553 static void
1554 empathy_chat_class_init (EmpathyChatClass *klass)
1555 {
1556         GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
1557         GObjectClass   *object_class = G_OBJECT_CLASS (klass);
1558
1559         object_class->finalize = chat_finalize;
1560         object_class->get_property = chat_get_property;
1561         object_class->set_property = chat_set_property;
1562         object_class->constructed = chat_constructed;
1563
1564         widget_class->size_request = chat_size_request;
1565         widget_class->size_allocate = chat_size_allocate;
1566
1567         g_object_class_install_property (object_class,
1568                                          PROP_TP_CHAT,
1569                                          g_param_spec_object ("tp-chat",
1570                                                               "Empathy tp chat",
1571                                                               "The tp chat object",
1572                                                               EMPATHY_TYPE_TP_CHAT,
1573                                                               G_PARAM_CONSTRUCT |
1574                                                               G_PARAM_READWRITE));
1575         g_object_class_install_property (object_class,
1576                                          PROP_ACCOUNT,
1577                                          g_param_spec_object ("account",
1578                                                               "Account of the chat",
1579                                                               "The account of the chat",
1580                                                               MC_TYPE_ACCOUNT,
1581                                                               G_PARAM_READABLE));
1582         g_object_class_install_property (object_class,
1583                                          PROP_ID,
1584                                          g_param_spec_string ("id",
1585                                                               "Chat's id",
1586                                                               "The id of the chat",
1587                                                               NULL,
1588                                                               G_PARAM_READABLE));
1589         g_object_class_install_property (object_class,
1590                                          PROP_NAME,
1591                                          g_param_spec_string ("name",
1592                                                               "Chat's name",
1593                                                               "The name of the chat",
1594                                                               NULL,
1595                                                               G_PARAM_READABLE));
1596         g_object_class_install_property (object_class,
1597                                          PROP_SUBJECT,
1598                                          g_param_spec_string ("subject",
1599                                                               "Chat's subject",
1600                                                               "The subject or topic of the chat",
1601                                                               NULL,
1602                                                               G_PARAM_READABLE));
1603         g_object_class_install_property (object_class,
1604                                          PROP_REMOTE_CONTACT,
1605                                          g_param_spec_object ("remote-contact",
1606                                                               "The remote contact",
1607                                                               "The remote contact is any",
1608                                                               EMPATHY_TYPE_CONTACT,
1609                                                               G_PARAM_READABLE));
1610
1611         signals[COMPOSING] =
1612                 g_signal_new ("composing",
1613                               G_OBJECT_CLASS_TYPE (object_class),
1614                               G_SIGNAL_RUN_LAST,
1615                               0,
1616                               NULL, NULL,
1617                               g_cclosure_marshal_VOID__BOOLEAN,
1618                               G_TYPE_NONE,
1619                               1, G_TYPE_BOOLEAN);
1620
1621         signals[NEW_MESSAGE] =
1622                 g_signal_new ("new-message",
1623                               G_OBJECT_CLASS_TYPE (object_class),
1624                               G_SIGNAL_RUN_LAST,
1625                               0,
1626                               NULL, NULL,
1627                               g_cclosure_marshal_VOID__OBJECT,
1628                               G_TYPE_NONE,
1629                               1, EMPATHY_TYPE_MESSAGE);
1630
1631         g_type_class_add_private (object_class, sizeof (EmpathyChatPriv));
1632 }
1633
1634 static gboolean
1635 chat_block_events_timeout_cb (gpointer data)
1636 {
1637         EmpathyChatPriv *priv = GET_PRIV (data);
1638
1639         priv->block_events_timeout_id = 0;
1640
1641         return FALSE;
1642 }
1643
1644 static void
1645 empathy_chat_init (EmpathyChat *chat)
1646 {
1647         EmpathyChatPriv *priv = GET_PRIV (chat);
1648
1649         priv->is_first_char = TRUE;
1650         priv->log_manager = empathy_log_manager_new ();
1651         priv->default_window_height = -1;
1652         priv->contacts_width = -1;
1653         priv->vscroll_visible = FALSE;
1654         priv->sent_messages = NULL;
1655         priv->sent_messages_index = -1;
1656         priv->mc = empathy_mission_control_new ();
1657
1658         priv->token = empathy_connect_to_account_status_changed (priv->mc,
1659                                                    G_CALLBACK (chat_status_changed_cb),
1660                                                    chat, NULL);
1661
1662         /* Block events for some time to avoid having "has come online" or
1663          * "joined" messages. */
1664         priv->block_events_timeout_id =
1665                 g_timeout_add_seconds (1, chat_block_events_timeout_cb, chat);
1666
1667         /* Add nick name completion */
1668         priv->completion = g_completion_new ((GCompletionFunc) empathy_contact_get_name);
1669         g_completion_set_compare (priv->completion, chat_contacts_completion_func);
1670 }
1671
1672 EmpathyChat *
1673 empathy_chat_new (EmpathyTpChat *tp_chat)
1674 {
1675         return g_object_new (EMPATHY_TYPE_CHAT, "tp-chat", tp_chat, NULL);
1676 }
1677
1678 EmpathyTpChat *
1679 empathy_chat_get_tp_chat (EmpathyChat *chat)
1680 {
1681         EmpathyChatPriv *priv = GET_PRIV (chat);
1682
1683         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1684
1685         return priv->tp_chat;
1686 }
1687
1688 void
1689 empathy_chat_set_tp_chat (EmpathyChat   *chat,
1690                           EmpathyTpChat *tp_chat)
1691 {
1692         EmpathyChatPriv *priv = GET_PRIV (chat);
1693
1694         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1695         g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
1696         g_return_if_fail (empathy_tp_chat_is_ready (tp_chat));
1697
1698         if (priv->tp_chat) {
1699                 return;
1700         }
1701
1702         if (priv->account) {
1703                 g_object_unref (priv->account);
1704         }
1705
1706         priv->tp_chat = g_object_ref (tp_chat);
1707         priv->account = g_object_ref (empathy_tp_chat_get_account (tp_chat));
1708
1709         g_signal_connect (tp_chat, "message-received",
1710                           G_CALLBACK (chat_message_received_cb),
1711                           chat);
1712         g_signal_connect (tp_chat, "send-error",
1713                           G_CALLBACK (chat_send_error_cb),
1714                           chat);
1715         g_signal_connect (tp_chat, "chat-state-changed",
1716                           G_CALLBACK (chat_state_changed_cb),
1717                           chat);
1718         g_signal_connect (tp_chat, "property-changed",
1719                           G_CALLBACK (chat_property_changed_cb),
1720                           chat);
1721         g_signal_connect (tp_chat, "members-changed",
1722                           G_CALLBACK (chat_members_changed_cb),
1723                           chat);
1724         g_signal_connect_swapped (tp_chat, "notify::remote-contact",
1725                                   G_CALLBACK (chat_remote_contact_changed_cb),
1726                                   chat);
1727         g_signal_connect (tp_chat, "destroy",
1728                           G_CALLBACK (chat_destroy_cb),
1729                           chat);
1730
1731         chat_remote_contact_changed_cb (chat);
1732
1733         if (chat->input_text_view) {
1734                 gtk_widget_set_sensitive (chat->input_text_view, TRUE);
1735                 if (priv->block_events_timeout_id == 0) {
1736                         empathy_chat_view_append_event (chat->view, _("Connected"));
1737                 }
1738         }
1739
1740         empathy_tp_chat_set_acknowledge (priv->tp_chat, TRUE);
1741         empathy_tp_chat_emit_pendings (priv->tp_chat);
1742
1743         g_object_notify (G_OBJECT (chat), "tp-chat");
1744         g_object_notify (G_OBJECT (chat), "id");
1745         g_object_notify (G_OBJECT (chat), "account");
1746 }
1747
1748 McAccount *
1749 empathy_chat_get_account (EmpathyChat *chat)
1750 {
1751         EmpathyChatPriv *priv = GET_PRIV (chat);
1752
1753         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1754
1755         return priv->account;
1756 }
1757
1758 const gchar *
1759 empathy_chat_get_id (EmpathyChat *chat)
1760 {
1761         EmpathyChatPriv *priv = GET_PRIV (chat);
1762
1763         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1764
1765         return priv->id;
1766 }
1767
1768 const gchar *
1769 empathy_chat_get_name (EmpathyChat *chat)
1770 {
1771         EmpathyChatPriv *priv = GET_PRIV (chat);
1772
1773         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1774
1775         return priv->name;
1776 }
1777
1778 const gchar *
1779 empathy_chat_get_subject (EmpathyChat *chat)
1780 {
1781         EmpathyChatPriv *priv = GET_PRIV (chat);
1782
1783         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1784
1785         return priv->subject;
1786 }
1787
1788 EmpathyContact *
1789 empathy_chat_get_remote_contact (EmpathyChat *chat)
1790 {
1791         EmpathyChatPriv *priv = GET_PRIV (chat);
1792
1793         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1794
1795         return priv->remote_contact;
1796 }
1797
1798 guint
1799 empathy_chat_get_members_count (EmpathyChat *chat)
1800 {
1801         EmpathyChatPriv *priv = GET_PRIV (chat);
1802
1803         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), 0);
1804
1805         if (priv->tp_chat) {
1806                 return empathy_tp_chat_get_members_count (priv->tp_chat);
1807         }
1808
1809         return 0;
1810 }
1811
1812 void
1813 empathy_chat_clear (EmpathyChat *chat)
1814 {
1815         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1816
1817         empathy_chat_view_clear (chat->view);
1818 }
1819
1820 void
1821 empathy_chat_scroll_down (EmpathyChat *chat)
1822 {
1823         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1824
1825         empathy_chat_view_scroll_down (chat->view);
1826 }
1827
1828 void
1829 empathy_chat_cut (EmpathyChat *chat)
1830 {
1831         GtkTextBuffer *buffer;
1832
1833         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1834
1835         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1836         if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
1837                 GtkClipboard *clipboard;
1838
1839                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1840
1841                 gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE);
1842         }
1843 }
1844
1845 void
1846 empathy_chat_copy (EmpathyChat *chat)
1847 {
1848         GtkTextBuffer *buffer;
1849
1850         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1851
1852         if (empathy_chat_view_get_selection_bounds (chat->view, NULL, NULL)) {
1853                 empathy_chat_view_copy_clipboard (chat->view);
1854                 return;
1855         }
1856
1857         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1858         if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
1859                 GtkClipboard *clipboard;
1860
1861                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1862
1863                 gtk_text_buffer_copy_clipboard (buffer, clipboard);
1864         }
1865 }
1866
1867 void
1868 empathy_chat_paste (EmpathyChat *chat)
1869 {
1870         GtkTextBuffer *buffer;
1871         GtkClipboard  *clipboard;
1872
1873         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1874
1875         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1876         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1877
1878         gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE);
1879 }
1880
1881 void
1882 empathy_chat_correct_word (EmpathyChat  *chat,
1883                           GtkTextIter  start,
1884                           GtkTextIter  end,
1885                           const gchar *new_word)
1886 {
1887         GtkTextBuffer *buffer;
1888
1889         g_return_if_fail (chat != NULL);
1890         g_return_if_fail (new_word != NULL);
1891
1892         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1893
1894         gtk_text_buffer_delete (buffer, &start, &end);
1895         gtk_text_buffer_insert (buffer, &start,
1896                                 new_word,
1897                                 -1);
1898 }
1899