libempathy-gtk/empathy-chat.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2002-2007 Imendio AB
   4  * Copyright (C) 2007-2008 Collabora Ltd.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public
  17  * License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  19  * Boston, MA  02110-1301  USA
  20  *
  21  * Authors: Mikael Hallendal <micke@imendio.com>
  22  *          Richard Hult <richard@imendio.com>
  23  *          Martyn Russell <martyn@imendio.com>
  24  *          Geert-Jan Van den Bogaerde <geertjan@gnome.org>
  25  *          Xavier Claessens <xclaesse@gmail.com>
  26  */
  27
  28 #include <config.h>
  29
  30 #include <string.h>
  31 #include <stdlib.h>
  32
  33 #include <gdk/gdkkeysyms.h>
  34 #include <glib/gi18n-lib.h>
  35 #include <gtk/gtk.h>
  36
  37 #include <telepathy-glib/util.h>
  38
  39 #include <libempathy/empathy-account-manager.h>
  40 #include <libempathy/empathy-log-manager.h>
  41 #include <libempathy/empathy-contact-list.h>
  42 #include <libempathy/empathy-utils.h>
  43 #include <libempathy/empathy-dispatcher.h>
  44
  45 #include "empathy-chat.h"
  46 #include "empathy-conf.h"
  47 #include "empathy-spell.h"
  48 #include "empathy-contact-list-store.h"
  49 #include "empathy-contact-list-view.h"
  50 #include "empathy-contact-menu.h"
  51 #include "empathy-theme-manager.h"
  52 #include "empathy-smiley-manager.h"
  53 #include "empathy-ui-utils.h"
  54
  55 #define DEBUG_FLAG EMPATHY_DEBUG_CHAT
  56 #include <libempathy/empathy-debug.h>
  57
  58 #define CHAT_DIR_CREATE_MODE  (S_IRUSR | S_IWUSR | S_IXUSR)
  59 #define CHAT_FILE_CREATE_MODE (S_IRUSR | S_IWUSR)
  60 #define IS_ENTER(v) (v == GDK_Return || v == GDK_ISO_Enter || v == GDK_KP_Enter)
  61 #define MAX_INPUT_HEIGHT 150
  62 #define COMPOSING_STOP_TIMEOUT 5
  63
  64 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyChat)
  65 typedef struct {
  66         EmpathyTpChat     *tp_chat;
  67         EmpathyAccount    *account;
  68         gchar             *id;
  69         gchar             *name;
  70         gchar             *subject;
  71         EmpathyContact    *remote_contact;
  72         gboolean           show_contacts;
  73
  74         EmpathyLogManager *log_manager;
  75         EmpathyAccountManager *account_manager;
  76         GSList            *sent_messages;
  77         gint               sent_messages_index;
  78         GList             *compositors;
  79         GCompletion       *completion;
  80         guint              composing_stop_timeout_id;
  81         guint              block_events_timeout_id;
  82         TpHandleType       handle_type;
  83         gint               contacts_width;
  84         gboolean           has_input_vscroll;
  85
  86         GtkWidget         *widget;
  87         GtkWidget         *hpaned;
  88         GtkWidget         *vbox_left;
  89         GtkWidget         *scrolled_window_chat;
  90         GtkWidget         *scrolled_window_input;
  91         GtkWidget         *scrolled_window_contacts;
  92         GtkWidget         *hbox_topic;
  93         GtkWidget         *label_topic;
  94         GtkWidget         *contact_list_view;
  95 } EmpathyChatPriv;
  96
  97 enum {
  98         COMPOSING,
  99         NEW_MESSAGE,
 100         LAST_SIGNAL
 101 };
 102
 103 enum {
 104         PROP_0,
 105         PROP_TP_CHAT,
 106         PROP_ACCOUNT,
 107         PROP_ID,
 108         PROP_NAME,
 109         PROP_SUBJECT,
 110         PROP_REMOTE_CONTACT,
 111         PROP_SHOW_CONTACTS,
 112 };
 113
 114 static guint signals[LAST_SIGNAL] = { 0 };
 115
 116 G_DEFINE_TYPE (EmpathyChat, empathy_chat, GTK_TYPE_BIN);
 117
 118 static void
 119 chat_get_property (GObject    *object,
 120                    guint       param_id,
 121                    GValue     *value,
 122                    GParamSpec *pspec)
 123 {
 124         EmpathyChat *chat = EMPATHY_CHAT (object);
 125         EmpathyChatPriv *priv = GET_PRIV (object);
 126
 127         switch (param_id) {
 128         case PROP_TP_CHAT:
 129                 g_value_set_object (value, priv->tp_chat);
 130                 break;
 131         case PROP_ACCOUNT:
 132                 g_value_set_object (value, priv->account);
 133                 break;
 134         case PROP_NAME:
 135                 g_value_set_string (value, empathy_chat_get_name (chat));
 136                 break;
 137         case PROP_ID:
 138                 g_value_set_string (value, priv->id);
 139                 break;
 140         case PROP_SUBJECT:
 141                 g_value_set_string (value, priv->subject);
 142                 break;
 143         case PROP_REMOTE_CONTACT:
 144                 g_value_set_object (value, priv->remote_contact);
 145                 break;
 146         case PROP_SHOW_CONTACTS:
 147                 g_value_set_boolean (value, priv->show_contacts);
 148                 break;
 149         default:
 150                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 151                 break;
 152         };
 153 }
 154
 155 static void
 156 chat_set_property (GObject      *object,
 157                    guint         param_id,
 158                    const GValue *value,
 159                    GParamSpec   *pspec)
 160 {
 161         EmpathyChat *chat = EMPATHY_CHAT (object);
 162
 163         switch (param_id) {
 164         case PROP_TP_CHAT:
 165                 empathy_chat_set_tp_chat (chat, EMPATHY_TP_CHAT (g_value_get_object (value)));
 166                 break;
 167         case PROP_SHOW_CONTACTS:
 168                 empathy_chat_set_show_contacts (chat, g_value_get_boolean (value));
 169                 break;
 170         default:
 171                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 172                 break;
 173         };
 174 }
 175
 176 static void
 177 chat_connect_channel_reconnected (EmpathyDispatchOperation *dispatch,
 178                                   const GError             *error,
 179                                   gpointer                  user_data)
 180 {
 181         EmpathyChat *chat = EMPATHY_CHAT (user_data);
 182         EmpathyTpChat *tpchat;
 183
 184         if (error != NULL) {
 185                 empathy_chat_view_append_event (chat->view,
 186                         _("Failed to reconnect this chat"));
 187                 return;
 188         }
 189
 190         tpchat = EMPATHY_TP_CHAT (
 191                 empathy_dispatch_operation_get_channel_wrapper (dispatch));
 192
 193         if (empathy_dispatch_operation_claim (dispatch)) {
 194                 empathy_chat_set_tp_chat (chat, tpchat);
 195         }
 196 }
 197
 198 static void
 199 chat_new_connection_cb (EmpathyAccountManager *manager,
 200                         TpConnection *connection,
 201                         EmpathyChat *chat)
 202 {
 203         EmpathyChatPriv *priv = GET_PRIV (chat);
 204         EmpathyAccount *account;
 205
 206         account = empathy_account_manager_get_account_for_connection (manager,
 207                 connection);
 208         if (!priv->tp_chat && account == priv->account &&
 209             priv->handle_type != TP_HANDLE_TYPE_NONE &&
 210             !EMP_STR_EMPTY (priv->id)) {
 211
 212                 DEBUG ("Account reconnected, request a new Text channel");
 213
 214                 switch (priv->handle_type) {
 215                         case TP_HANDLE_TYPE_CONTACT:
 216                                 empathy_dispatcher_chat_with_contact_id (
 217                                         connection, priv->id,
 218                                         chat_connect_channel_reconnected,
 219                                         chat);
 220                                 break;
 221                         case TP_HANDLE_TYPE_ROOM:
 222                                 empathy_dispatcher_join_muc (connection,
 223                                         priv->id,
 224                                         chat_connect_channel_reconnected,
 225                                         chat);
 226                                 break;
 227                         default:
 228                                 g_assert_not_reached ();
 229                                 break;
 230                 }
 231         }
 232 }
 233
 234 static void
 235 chat_composing_remove_timeout (EmpathyChat *chat)
 236 {
 237         EmpathyChatPriv *priv;
 238
 239         priv = GET_PRIV (chat);
 240
 241         if (priv->composing_stop_timeout_id) {
 242                 g_source_remove (priv->composing_stop_timeout_id);
 243                 priv->composing_stop_timeout_id = 0;
 244         }
 245 }
 246
 247 static gboolean
 248 chat_composing_stop_timeout_cb (EmpathyChat *chat)
 249 {
 250         EmpathyChatPriv *priv;
 251
 252         priv = GET_PRIV (chat);
 253
 254         priv->composing_stop_timeout_id = 0;
 255         empathy_tp_chat_set_state (priv->tp_chat,
 256                                    TP_CHANNEL_CHAT_STATE_PAUSED);
 257
 258         return FALSE;
 259 }
 260
 261 static void
 262 chat_composing_start (EmpathyChat *chat)
 263 {
 264         EmpathyChatPriv *priv;
 265
 266         priv = GET_PRIV (chat);
 267
 268         if (priv->composing_stop_timeout_id) {
 269                 /* Just restart the timeout */
 270                 chat_composing_remove_timeout (chat);
 271         } else {
 272                 empathy_tp_chat_set_state (priv->tp_chat,
 273                                            TP_CHANNEL_CHAT_STATE_COMPOSING);
 274         }
 275
 276         priv->composing_stop_timeout_id = g_timeout_add_seconds (
 277                 COMPOSING_STOP_TIMEOUT,
 278                 (GSourceFunc) chat_composing_stop_timeout_cb,
 279                 chat);
 280 }
 281
 282 static void
 283 chat_composing_stop (EmpathyChat *chat)
 284 {
 285         EmpathyChatPriv *priv;
 286
 287         priv = GET_PRIV (chat);
 288
 289         chat_composing_remove_timeout (chat);
 290         empathy_tp_chat_set_state (priv->tp_chat,
 291                                    TP_CHANNEL_CHAT_STATE_ACTIVE);
 292 }
 293
 294 static void
 295 chat_sent_message_add (EmpathyChat  *chat,
 296                        const gchar *str)
 297 {
 298         EmpathyChatPriv *priv;
 299         GSList         *list;
 300         GSList         *item;
 301
 302         priv = GET_PRIV (chat);
 303
 304         /* Save the sent message in our repeat buffer */
 305         list = priv->sent_messages;
 306
 307         /* Remove any other occurances of this msg */
 308         while ((item = g_slist_find_custom (list, str, (GCompareFunc) strcmp)) != NULL) {
 309                 list = g_slist_remove_link (list, item);
 310                 g_free (item->data);
 311                 g_slist_free1 (item);
 312         }
 313
 314         /* Trim the list to the last 10 items */
 315         while (g_slist_length (list) > 10) {
 316                 item = g_slist_last (list);
 317                 if (item) {
 318                         list = g_slist_remove_link (list, item);
 319                         g_free (item->data);
 320                         g_slist_free1 (item);
 321                 }
 322         }
 323
 324         /* Add new message */
 325         list = g_slist_prepend (list, g_strdup (str));
 326
 327         /* Set list and reset the index */
 328         priv->sent_messages = list;
 329         priv->sent_messages_index = -1;
 330 }
 331
 332 static const gchar *
 333 chat_sent_message_get_next (EmpathyChat *chat)
 334 {
 335         EmpathyChatPriv *priv;
 336         gint            max;
 337
 338         priv = GET_PRIV (chat);
 339
 340         if (!priv->sent_messages) {
 341                 DEBUG ("No sent messages, next message is NULL");
 342                 return NULL;
 343         }
 344
 345         max = g_slist_length (priv->sent_messages) - 1;
 346
 347         if (priv->sent_messages_index < max) {
 348                 priv->sent_messages_index++;
 349         }
 350
 351         DEBUG ("Returning next message index:%d", priv->sent_messages_index);
 352
 353         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 354 }
 355
 356 static const gchar *
 357 chat_sent_message_get_last (EmpathyChat *chat)
 358 {
 359         EmpathyChatPriv *priv;
 360
 361         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
 362
 363         priv = GET_PRIV (chat);
 364
 365         if (!priv->sent_messages) {
 366                 DEBUG ("No sent messages, last message is NULL");
 367                 return NULL;
 368         }
 369
 370         if (priv->sent_messages_index >= 0) {
 371                 priv->sent_messages_index--;
 372         }
 373
 374         DEBUG ("Returning last message index:%d", priv->sent_messages_index);
 375
 376         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 377 }
 378
 379 static void
 380 chat_send (EmpathyChat  *chat,
 381            const gchar *msg)
 382 {
 383         EmpathyChatPriv *priv;
 384         EmpathyMessage  *message;
 385
 386         if (EMP_STR_EMPTY (msg)) {
 387                 return;
 388         }
 389
 390         priv = GET_PRIV (chat);
 391
 392         chat_sent_message_add (chat, msg);
 393
 394         if (g_str_has_prefix (msg, "/clear")) {
 395                 empathy_chat_view_clear (chat->view);
 396                 return;
 397         }
 398
 399         /* Blacklist messages begining by '/', except for "/me" and "/say"
 400          * because they are handled in EmpathyMessage */
 401         if (msg[0] == '/' &&
 402             !g_str_has_prefix (msg, "/me") &&
 403             !g_str_has_prefix (msg, "/say")) {
 404                 empathy_chat_view_append_event (chat->view,
 405                         _("Unsupported command"));
 406                 return;
 407         }
 408
 409         /* We can send the message */
 410         message = empathy_message_new (msg);
 411         empathy_tp_chat_send (priv->tp_chat, message);
 412         g_object_unref (message);
 413 }
 414
 415 static void
 416 chat_input_text_view_send (EmpathyChat *chat)
 417 {
 418         EmpathyChatPriv *priv;
 419         GtkTextBuffer  *buffer;
 420         GtkTextIter     start, end;
 421         gchar          *msg;
 422
 423         priv = GET_PRIV (chat);
 424
 425         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 426
 427         gtk_text_buffer_get_bounds (buffer, &start, &end);
 428         msg = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 429
 430         /* clear the input field */
 431         gtk_text_buffer_set_text (buffer, "", -1);
 432
 433         chat_send (chat, msg);
 434         g_free (msg);
 435 }
 436
 437 static void
 438 chat_state_changed_cb (EmpathyTpChat      *tp_chat,
 439                        EmpathyContact     *contact,
 440                        TpChannelChatState  state,
 441                        EmpathyChat        *chat)
 442 {
 443         EmpathyChatPriv *priv;
 444         GList          *l;
 445         gboolean        was_composing;
 446
 447         priv = GET_PRIV (chat);
 448
 449         if (empathy_contact_is_user (contact)) {
 450                 /* We don't care about our own chat state */
 451                 return;
 452         }
 453
 454         was_composing = (priv->compositors != NULL);
 455
 456         /* Find the contact in the list. After that l is the list elem or NULL */
 457         for (l = priv->compositors; l; l = l->next) {
 458                 if (contact == l->data) {
 459                         break;
 460                 }
 461         }
 462
 463         switch (state) {
 464         case TP_CHANNEL_CHAT_STATE_GONE:
 465         case TP_CHANNEL_CHAT_STATE_INACTIVE:
 466         case TP_CHANNEL_CHAT_STATE_PAUSED:
 467         case TP_CHANNEL_CHAT_STATE_ACTIVE:
 468                 /* Contact is not composing */
 469                 if (l) {
 470                         priv->compositors = g_list_remove_link (priv->compositors, l);
 471                         g_object_unref (l->data);
 472                         g_list_free1 (l);
 473                 }
 474                 break;
 475         case TP_CHANNEL_CHAT_STATE_COMPOSING:
 476                 /* Contact is composing */
 477                 if (!l) {
 478                         priv->compositors = g_list_prepend (priv->compositors,
 479                                                             g_object_ref (contact));
 480                 }
 481                 break;
 482         default:
 483                 g_assert_not_reached ();
 484         }
 485
 486         DEBUG ("Was composing: %s now composing: %s",
 487                 was_composing ? "yes" : "no",
 488                 priv->compositors ? "yes" : "no");
 489
 490         if ((was_composing && !priv->compositors) ||
 491             (!was_composing && priv->compositors)) {
 492                 /* Composing state changed */
 493                 g_signal_emit (chat, signals[COMPOSING], 0,
 494                                priv->compositors != NULL);
 495         }
 496 }
 497
 498 static void
 499 chat_message_received (EmpathyChat *chat, EmpathyMessage *message)
 500 {
 501         EmpathyChatPriv *priv = GET_PRIV (chat);
 502         EmpathyContact  *sender;
 503
 504         sender = empathy_message_get_sender (message);
 505
 506         DEBUG ("Appending new message from %s (%d)",
 507                 empathy_contact_get_name (sender),
 508                 empathy_contact_get_handle (sender));
 509
 510         empathy_chat_view_append_message (chat->view, message);
 511
 512         /* We received a message so the contact is no longer composing */
 513         chat_state_changed_cb (priv->tp_chat, sender,
 514                                TP_CHANNEL_CHAT_STATE_ACTIVE,
 515                                chat);
 516
 517         g_signal_emit (chat, signals[NEW_MESSAGE], 0, message);
 518 }
 519
 520 static void
 521 chat_message_received_cb (EmpathyTpChat  *tp_chat,
 522                           EmpathyMessage *message,
 523                           EmpathyChat    *chat)
 524 {
 525         chat_message_received (chat, message);
 526         empathy_tp_chat_acknowledge_message (tp_chat, message);
 527 }
 528
 529 static void
 530 chat_send_error_cb (EmpathyTpChat          *tp_chat,
 531                     EmpathyMessage         *message,
 532                     TpChannelTextSendError  error_code,
 533                     EmpathyChat            *chat)
 534 {
 535         const gchar *error;
 536         gchar       *str;
 537
 538         switch (error_code) {
 539         case TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE:
 540                 error = _("offline");
 541                 break;
 542         case TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT:
 543                 error = _("invalid contact");
 544                 break;
 545         case TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED:
 546                 error = _("permission denied");
 547                 break;
 548         case TP_CHANNEL_TEXT_SEND_ERROR_TOO_LONG:
 549                 error = _("too long message");
 550                 break;
 551         case TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED:
 552                 error = _("not implemented");
 553                 break;
 554         default:
 555                 error = _("unknown");
 556                 break;
 557         }
 558
 559         str = g_strdup_printf (_("Error sending message '%s': %s"),
 560                                empathy_message_get_body (message),
 561                                error);
 562         empathy_chat_view_append_event (chat->view, str);
 563         g_free (str);
 564 }
 565
 566 static void
 567 chat_property_changed_cb (EmpathyTpChat *tp_chat,
 568                           const gchar   *name,
 569                           GValue        *value,
 570                           EmpathyChat   *chat)
 571 {
 572         EmpathyChatPriv *priv = GET_PRIV (chat);
 573
 574         if (!tp_strdiff (name, "subject")) {
 575                 g_free (priv->subject);
 576                 priv->subject = g_value_dup_string (value);
 577                 g_object_notify (G_OBJECT (chat), "subject");
 578
 579                 if (EMP_STR_EMPTY (priv->subject)) {
 580                         gtk_widget_hide (priv->hbox_topic);
 581                 } else {
 582                         gtk_label_set_text (GTK_LABEL (priv->label_topic), priv->subject);
 583                         gtk_widget_show (priv->hbox_topic);
 584                 }
 585                 if (priv->block_events_timeout_id == 0) {
 586                         gchar *str;
 587
 588                         if (!EMP_STR_EMPTY (priv->subject)) {
 589                                 str = g_strdup_printf (_("Topic set to: %s"), priv->subject);
 590                         } else {
 591                                 str = g_strdup (_("No topic defined"));
 592                         }
 593                         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
 594                         g_free (str);
 595                 }
 596         }
 597         else if (!tp_strdiff (name, "name")) {
 598                 g_free (priv->name);
 599                 priv->name = g_value_dup_string (value);
 600                 g_object_notify (G_OBJECT (chat), "name");
 601         }
 602 }
 603
 604 static void
 605 chat_input_text_buffer_changed_cb (GtkTextBuffer *buffer,
 606                                    EmpathyChat    *chat)
 607 {
 608         EmpathyChatPriv *priv;
 609         GtkTextIter     start, end;
 610         gchar          *str;
 611         gboolean        spell_checker = FALSE;
 612
 613         priv = GET_PRIV (chat);
 614
 615         if (gtk_text_buffer_get_char_count (buffer) == 0) {
 616                 chat_composing_stop (chat);
 617         } else {
 618                 chat_composing_start (chat);
 619         }
 620
 621         empathy_conf_get_bool (empathy_conf_get (),
 622                            EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED,
 623                            &spell_checker);
 624
 625         gtk_text_buffer_get_start_iter (buffer, &start);
 626
 627         if (!spell_checker) {
 628                 gtk_text_buffer_get_end_iter (buffer, &end);
 629                 gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 630                 return;
 631         }
 632
 633         if (!empathy_spell_supported ()) {
 634                 return;
 635         }
 636
 637         /* NOTE: this is really inefficient, we shouldn't have to
 638            reiterate the whole buffer each time and check each work
 639            every time. */
 640         while (TRUE) {
 641                 gboolean correct = FALSE;
 642
 643                 /* if at start */
 644                 if (gtk_text_iter_is_start (&start)) {
 645                         end = start;
 646
 647                         if (!gtk_text_iter_forward_word_end (&end)) {
 648                                 /* no whole word yet */
 649                                 break;
 650                         }
 651                 } else {
 652                         if (!gtk_text_iter_forward_word_end (&end)) {
 653                                 /* must be the end of the buffer */
 654                                 break;
 655                         }
 656
 657                         start = end;
 658                         gtk_text_iter_backward_word_start (&start);
 659                 }
 660
 661                 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 662
 663                 /* spell check string if not a command */
 664                 if (str[0] != '/') {
 665                         correct = empathy_spell_check (str);
 666                 } else {
 667                         correct = TRUE;
 668                 }
 669
 670                 if (!correct) {
 671                         gtk_text_buffer_apply_tag_by_name (buffer, "misspelled", &start, &end);
 672                 } else {
 673                         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 674                 }
 675
 676                 g_free (str);
 677
 678                 /* set start iter to the end iters position */
 679                 start = end;
 680         }
 681 }
 682
 683 static gboolean
 684 chat_input_key_press_event_cb (GtkWidget   *widget,
 685                                GdkEventKey *event,
 686                                EmpathyChat *chat)
 687 {
 688         EmpathyChatPriv *priv;
 689         GtkAdjustment  *adj;
 690         gdouble         val;
 691         GtkWidget      *text_view_sw;
 692
 693         priv = GET_PRIV (chat);
 694
 695         /* Catch ctrl+up/down so we can traverse messages we sent */
 696         if ((event->state & GDK_CONTROL_MASK) &&
 697             (event->keyval == GDK_Up ||
 698              event->keyval == GDK_Down)) {
 699                 GtkTextBuffer *buffer;
 700                 const gchar   *str;
 701
 702                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 703
 704                 if (event->keyval == GDK_Up) {
 705                         str = chat_sent_message_get_next (chat);
 706                 } else {
 707                         str = chat_sent_message_get_last (chat);
 708                 }
 709
 710                 g_signal_handlers_block_by_func (buffer,
 711                                                  chat_input_text_buffer_changed_cb,
 712                                                  chat);
 713                 gtk_text_buffer_set_text (buffer, str ? str : "", -1);
 714                 g_signal_handlers_unblock_by_func (buffer,
 715                                                    chat_input_text_buffer_changed_cb,
 716                                                    chat);
 717
 718                 return TRUE;
 719         }
 720
 721         /* Catch enter but not ctrl/shift-enter */
 722         if (IS_ENTER (event->keyval) &&
 723             !(event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
 724                 GtkTextView *view;
 725
 726                 /* This is to make sure that kinput2 gets the enter. And if
 727                  * it's handled there we shouldn't send on it. This is because
 728                  * kinput2 uses Enter to commit letters. See:
 729                  * http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104299
 730                  */
 731
 732                 view = GTK_TEXT_VIEW (chat->input_text_view);
 733                 if (gtk_im_context_filter_keypress (view->im_context, event)) {
 734                         GTK_TEXT_VIEW (chat->input_text_view)->need_im_reset = TRUE;
 735                         return TRUE;
 736                 }
 737
 738                 chat_input_text_view_send (chat);
 739                 return TRUE;
 740         }
 741
 742         text_view_sw = gtk_widget_get_parent (GTK_WIDGET (chat->view));
 743
 744         if (IS_ENTER (event->keyval) &&
 745             (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
 746                 /* Newline for shift/control-enter. */
 747                 return FALSE;
 748         }
 749         if (!(event->state & GDK_CONTROL_MASK) &&
 750             event->keyval == GDK_Page_Up) {
 751                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 752                 gtk_adjustment_set_value (adj, gtk_adjustment_get_value (adj) - gtk_adjustment_get_page_size (adj));
 753                 return TRUE;
 754         }
 755         if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 756             event->keyval == GDK_Page_Down) {
 757                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 758                 val = MIN (gtk_adjustment_get_value (adj) + gtk_adjustment_get_page_size (adj),
 759                            gtk_adjustment_get_upper (adj) - gtk_adjustment_get_page_size (adj));
 760                 gtk_adjustment_set_value (adj, val);
 761                 return TRUE;
 762         }
 763         if (!(event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) &&
 764             event->keyval == GDK_Tab) {
 765                 GtkTextBuffer *buffer;
 766                 GtkTextIter    start, current;
 767                 gchar         *nick, *completed;
 768                 GList         *list, *completed_list;
 769                 gboolean       is_start_of_buffer;
 770
 771                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (EMPATHY_CHAT (chat)->input_text_view));
 772                 gtk_text_buffer_get_iter_at_mark (buffer, &current, gtk_text_buffer_get_insert (buffer));
 773
 774                 /* Get the start of the nick to complete. */
 775                 gtk_text_buffer_get_iter_at_mark (buffer, &start, gtk_text_buffer_get_insert (buffer));
 776                 gtk_text_iter_backward_word_start (&start);
 777                 is_start_of_buffer = gtk_text_iter_is_start (&start);
 778
 779                 list = empathy_contact_list_get_members (EMPATHY_CONTACT_LIST (priv->tp_chat));
 780                 g_completion_add_items (priv->completion, list);
 781
 782                 nick = gtk_text_buffer_get_text (buffer, &start, &current, FALSE);
 783                 completed_list = g_completion_complete (priv->completion,
 784                                                         nick,
 785                                                         &completed);
 786
 787                 g_free (nick);
 788
 789                 if (completed) {
 790                         guint        len;
 791                         const gchar *text;
 792                         gchar       *complete_char = NULL;
 793
 794                         gtk_text_buffer_delete (buffer, &start, &current);
 795
 796                         len = g_list_length (completed_list);
 797
 798                         if (len == 1) {
 799                                 /* If we only have one hit, use that text
 800                                  * instead of the text in completed since the
 801                                  * completed text will use the typed string
 802                                  * which might be cased all wrong.
 803                                  * Fixes #120876
 804                                  * */
 805                                 text = empathy_contact_get_name (completed_list->data);
 806                         } else {
 807                                 text = completed;
 808                         }
 809
 810                         gtk_text_buffer_insert_at_cursor (buffer, text, strlen (text));
 811
 812                         if (len == 1 && is_start_of_buffer &&
 813                             empathy_conf_get_string (empathy_conf_get (),
 814                                                      EMPATHY_PREFS_CHAT_NICK_COMPLETION_CHAR,
 815                                                      &complete_char) &&
 816                             complete_char != NULL) {
 817                                 gtk_text_buffer_insert_at_cursor (buffer,
 818                                                                   complete_char,
 819                                                                   strlen (complete_char));
 820                                 gtk_text_buffer_insert_at_cursor (buffer, " ", 1);
 821                                 g_free (complete_char);
 822                         }
 823
 824                         g_free (completed);
 825                 }
 826
 827                 g_completion_clear_items (priv->completion);
 828
 829                 g_list_foreach (list, (GFunc) g_object_unref, NULL);
 830                 g_list_free (list);
 831
 832                 return TRUE;
 833         }
 834
 835         return FALSE;
 836 }
 837
 838 static gboolean
 839 chat_text_view_focus_in_event_cb (GtkWidget  *widget,
 840                                   GdkEvent   *event,
 841                                   EmpathyChat *chat)
 842 {
 843         gtk_widget_grab_focus (chat->input_text_view);
 844
 845         return TRUE;
 846 }
 847
 848 static gboolean
 849 chat_input_set_size_request_idle (gpointer sw)
 850 {
 851         gtk_widget_set_size_request (sw, -1, MAX_INPUT_HEIGHT);
 852
 853         return FALSE;
 854 }
 855
 856 static void
 857 chat_input_size_request_cb (GtkWidget      *widget,
 858                             GtkRequisition *requisition,
 859                             EmpathyChat    *chat)
 860 {
 861         EmpathyChatPriv *priv = GET_PRIV (chat);
 862         GtkWidget       *sw;
 863
 864         sw = gtk_widget_get_parent (widget);
 865         if (requisition->height >= MAX_INPUT_HEIGHT && !priv->has_input_vscroll) {
 866                 g_idle_add (chat_input_set_size_request_idle, sw);
 867                 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 868                                                 GTK_POLICY_NEVER,
 869                                                 GTK_POLICY_ALWAYS);
 870                 priv->has_input_vscroll = TRUE;
 871         }
 872
 873         if (requisition->height < MAX_INPUT_HEIGHT && priv->has_input_vscroll) {
 874                 gtk_widget_set_size_request (sw, -1, -1);
 875                 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 876                                                 GTK_POLICY_NEVER,
 877                                                 GTK_POLICY_NEVER);
 878                 priv->has_input_vscroll = FALSE;
 879         }
 880 }
 881
 882 static void
 883 chat_input_realize_cb (GtkWidget   *widget,
 884                        EmpathyChat *chat)
 885 {
 886         DEBUG ("Setting focus to the input text view");
 887         gtk_widget_grab_focus (widget);
 888 }
 889
 890 static void
 891 chat_insert_smiley_activate_cb (EmpathySmileyManager *manager,
 892                                 EmpathySmiley        *smiley,
 893                                 gpointer              user_data)
 894 {
 895         EmpathyChat   *chat = EMPATHY_CHAT (user_data);
 896         GtkTextBuffer *buffer;
 897         GtkTextIter    iter;
 898
 899         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 900
 901         gtk_text_buffer_get_end_iter (buffer, &iter);
 902         gtk_text_buffer_insert (buffer, &iter, smiley->str, -1);
 903
 904         gtk_text_buffer_get_end_iter (buffer, &iter);
 905         gtk_text_buffer_insert (buffer, &iter, " ", -1);
 906 }
 907
 908 typedef struct {
 909         EmpathyChat  *chat;
 910         gchar       *word;
 911
 912         GtkTextIter  start;
 913         GtkTextIter  end;
 914 } EmpathyChatSpell;
 915
 916 static EmpathyChatSpell *
 917 chat_spell_new (EmpathyChat  *chat,
 918                 const gchar *word,
 919                 GtkTextIter  start,
 920                 GtkTextIter  end)
 921 {
 922         EmpathyChatSpell *chat_spell;
 923
 924         chat_spell = g_slice_new0 (EmpathyChatSpell);
 925
 926         chat_spell->chat = g_object_ref (chat);
 927         chat_spell->word = g_strdup (word);
 928         chat_spell->start = start;
 929         chat_spell->end = end;
 930
 931         return chat_spell;
 932 }
 933
 934 static void
 935 chat_spell_free (EmpathyChatSpell *chat_spell)
 936 {
 937         g_object_unref (chat_spell->chat);
 938         g_free (chat_spell->word);
 939         g_slice_free (EmpathyChatSpell, chat_spell);
 940 }
 941
 942 static void
 943 chat_spelling_menu_activate_cb (GtkMenuItem     *menu_item,
 944                                                 EmpathyChatSpell *chat_spell)
 945 {
 946     empathy_chat_correct_word (chat_spell->chat,
 947                                &(chat_spell->start),
 948                                &(chat_spell->end),
 949                                gtk_menu_item_get_label (menu_item));
 950 }
 951
 952 static GtkWidget *
 953 chat_spelling_build_menu (EmpathyChatSpell *chat_spell)
 954 {
 955     GtkWidget *menu, *menu_item;
 956     GList     *suggestions, *l;
 957
 958     menu = gtk_menu_new ();
 959     suggestions = empathy_spell_get_suggestions (chat_spell->word);
 960     if (suggestions == NULL) {
 961         menu_item = gtk_menu_item_new_with_label (_("(No Suggestions)"));
 962         gtk_widget_set_sensitive (menu_item, FALSE);
 963         gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item);
 964     } else {
 965         for (l = suggestions; l; l = l->next) {
 966             menu_item = gtk_menu_item_new_with_label (l->data);
 967             g_signal_connect (G_OBJECT (menu_item),
 968                           "activate",
 969                           G_CALLBACK (chat_spelling_menu_activate_cb),
 970                           chat_spell);
 971             gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item);
 972         }
 973     }
 974     empathy_spell_free_suggestions (suggestions);
 975
 976     gtk_widget_show_all (menu);
 977
 978     return menu;
 979 }
 980
 981 static void
 982 chat_text_send_cb (GtkMenuItem *menuitem,
 983                    EmpathyChat *chat)
 984 {
 985         chat_input_text_view_send (chat);
 986 }
 987
 988 static void
 989 chat_input_populate_popup_cb (GtkTextView *view,
 990                               GtkMenu     *menu,
 991                               EmpathyChat *chat)
 992 {
 993         EmpathyChatPriv      *priv;
 994         GtkTextBuffer        *buffer;
 995         GtkTextTagTable      *table;
 996         GtkTextTag           *tag;
 997         gint                  x, y;
 998         GtkTextIter           iter, start, end;
 999         GtkWidget            *item;
1000         gchar                *str = NULL;
1001         EmpathyChatSpell     *chat_spell;
1002         GtkWidget            *spell_menu;
1003         EmpathySmileyManager *smiley_manager;
1004         GtkWidget            *smiley_menu;
1005         GtkWidget            *image;
1006
1007         priv = GET_PRIV (chat);
1008         buffer = gtk_text_view_get_buffer (view);
1009
1010         /* Add the emoticon menu. */
1011         item = gtk_separator_menu_item_new ();
1012         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1013         gtk_widget_show (item);
1014
1015         item = gtk_image_menu_item_new_with_mnemonic (_("Insert Smiley"));
1016         image = gtk_image_new_from_icon_name ("face-smile",
1017                                               GTK_ICON_SIZE_MENU);
1018         gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
1019         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1020         gtk_widget_show (item);
1021
1022         smiley_manager = empathy_smiley_manager_dup_singleton ();
1023         smiley_menu = empathy_smiley_menu_new (smiley_manager,
1024                                                chat_insert_smiley_activate_cb,
1025                                                chat);
1026         gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu);
1027         g_object_unref (smiley_manager);
1028
1029         /* Add the Send menu item. */
1030         gtk_text_buffer_get_bounds (buffer, &start, &end);
1031         str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1032         if (!EMP_STR_EMPTY (str)) {
1033                 item = gtk_menu_item_new_with_mnemonic (_("_Send"));
1034                 g_signal_connect (G_OBJECT (item), "activate",
1035                                   G_CALLBACK (chat_text_send_cb), chat);
1036                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1037                 gtk_widget_show (item);
1038         }
1039         str = NULL;
1040
1041         /* Add the spell check menu item. */
1042         table = gtk_text_buffer_get_tag_table (buffer);
1043         tag = gtk_text_tag_table_lookup (table, "misspelled");
1044         gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
1045         gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
1046                                                GTK_TEXT_WINDOW_WIDGET,
1047                                                x, y,
1048                                                &x, &y);
1049         gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y);
1050         start = end = iter;
1051         if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
1052             gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
1053
1054                 str = gtk_text_buffer_get_text (buffer,
1055                                                 &start, &end, FALSE);
1056         }
1057         if (!EMP_STR_EMPTY (str)) {
1058                 chat_spell = chat_spell_new (chat, str, start, end);
1059                 g_object_set_data_full (G_OBJECT (menu),
1060                                         "chat_spell", chat_spell,
1061                                         (GDestroyNotify) chat_spell_free);
1062
1063                 item = gtk_separator_menu_item_new ();
1064                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1065                 gtk_widget_show (item);
1066
1067                 item = gtk_image_menu_item_new_with_mnemonic (_("_Spelling Suggestions"));
1068                 image = gtk_image_new_from_icon_name (GTK_STOCK_SPELL_CHECK,
1069                                                       GTK_ICON_SIZE_MENU);
1070                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
1071
1072                 spell_menu = chat_spelling_build_menu (chat_spell);
1073                 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), spell_menu);
1074
1075                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1076                 gtk_widget_show (item);
1077         }
1078 }
1079
1080 static gboolean
1081 chat_log_filter (EmpathyMessage *message,
1082                  gpointer user_data)
1083 {
1084         EmpathyChat *chat = (EmpathyChat *) user_data;
1085         EmpathyChatPriv *priv = GET_PRIV (chat);
1086         const GList *pending;
1087
1088         pending = empathy_tp_chat_get_pending_messages (priv->tp_chat);
1089
1090         for (; pending; pending = g_list_next (pending)) {
1091                 if (empathy_message_equal (message, pending->data)) {
1092                         return FALSE;
1093                 }
1094         }
1095
1096         return TRUE;
1097 }
1098
1099 static void
1100 chat_add_logs (EmpathyChat *chat)
1101 {
1102         EmpathyChatPriv *priv = GET_PRIV (chat);
1103         gboolean         is_chatroom;
1104         GList           *messages, *l;
1105
1106         if (!priv->id) {
1107                 return;
1108         }
1109
1110         /* Turn off scrolling temporarily */
1111         empathy_chat_view_scroll (chat->view, FALSE);
1112
1113         /* Add messages from last conversation */
1114         is_chatroom = priv->handle_type == TP_HANDLE_TYPE_ROOM;
1115
1116         messages = empathy_log_manager_get_filtered_messages (priv->log_manager,
1117                                                               priv->account,
1118                                                               priv->id,
1119                                                               is_chatroom,
1120                                                               5,
1121                                                               chat_log_filter,
1122                                                               chat);
1123
1124         for (l = messages; l; l = g_list_next (l)) {
1125                 empathy_chat_view_append_message (chat->view, l->data);
1126                 g_object_unref (l->data);
1127         }
1128
1129         g_list_free (messages);
1130
1131         /* Turn back on scrolling */
1132         empathy_chat_view_scroll (chat->view, TRUE);
1133 }
1134
1135 static gint
1136 chat_contacts_completion_func (const gchar *s1,
1137                                const gchar *s2,
1138                                gsize        n)
1139 {
1140         gchar *tmp, *nick1, *nick2;
1141         gint   ret;
1142
1143         if (s1 == s2) {
1144                 return 0;
1145         }
1146         if (!s1 || !s2) {
1147                 return s1 ? -1 : +1;
1148         }
1149
1150         tmp = g_utf8_normalize (s1, -1, G_NORMALIZE_DEFAULT);
1151         nick1 = g_utf8_casefold (tmp, -1);
1152         g_free (tmp);
1153
1154         tmp = g_utf8_normalize (s2, -1, G_NORMALIZE_DEFAULT);
1155         nick2 = g_utf8_casefold (tmp, -1);
1156         g_free (tmp);
1157
1158         ret = strncmp (nick1, nick2, n);
1159
1160         g_free (nick1);
1161         g_free (nick2);
1162
1163         return ret;
1164 }
1165
1166 static gchar *
1167 build_part_message (guint           reason,
1168                     const gchar    *name,
1169                     EmpathyContact *actor,
1170                     const gchar    *message)
1171 {
1172         GString *s = g_string_new ("");
1173         const gchar *actor_name = NULL;
1174
1175         if (actor != NULL) {
1176                 actor_name = empathy_contact_get_name (actor);
1177         }
1178
1179         /* Having an actor only really makes sense for a few actions... */
1180         switch (reason) {
1181         case TP_CHANNEL_GROUP_CHANGE_REASON_OFFLINE:
1182                 g_string_append_printf (s, _("%s has disconnected"), name);
1183                 break;
1184         case TP_CHANNEL_GROUP_CHANGE_REASON_KICKED:
1185                 if (actor_name != NULL) {
1186                         g_string_append_printf (s, _("%s was kicked by %s"),
1187                                 name, actor_name);
1188                 } else {
1189                         g_string_append_printf (s, _("%s was kicked"), name);
1190                 }
1191                 break;
1192         case TP_CHANNEL_GROUP_CHANGE_REASON_BANNED:
1193                 if (actor_name != NULL) {
1194                         g_string_append_printf (s, _("%s was banned by %s"),
1195                                 name, actor_name);
1196                 } else {
1197                         g_string_append_printf (s, _("%s was banned"), name);
1198                 }
1199                 break;
1200         default:
1201                 g_string_append_printf (s, _("%s has left the room"), name);
1202         }
1203
1204         if (!EMP_STR_EMPTY (message)) {
1205                 /* Note to translators: this string is appended to
1206                  * notifications like "foo has left the room", with the message
1207                  * given by the user living the room. If this poses a problem,
1208                  * please let us know. :-)
1209                  */
1210                 g_string_append_printf (s, _(" (%s)"), message);
1211         }
1212
1213         return g_string_free (s, FALSE);
1214 }
1215
1216 static void
1217 chat_members_changed_cb (EmpathyTpChat  *tp_chat,
1218                          EmpathyContact *contact,
1219                          EmpathyContact *actor,
1220                          guint           reason,
1221                          gchar          *message,
1222                          gboolean        is_member,
1223                          EmpathyChat    *chat)
1224 {
1225         EmpathyChatPriv *priv = GET_PRIV (chat);
1226         const gchar *name = empathy_contact_get_name (contact);
1227         gchar *str;
1228
1229         if (priv->block_events_timeout_id != 0)
1230                 return;
1231
1232         if (is_member) {
1233                 str = g_strdup_printf (_("%s has joined the room"),
1234                                        name);
1235         } else {
1236                 str = build_part_message (reason, name, actor, message);
1237         }
1238
1239         empathy_chat_view_append_event (chat->view, str);
1240         g_free (str);
1241 }
1242
1243 static gboolean
1244 chat_reset_size_request (gpointer widget)
1245 {
1246         gtk_widget_set_size_request (widget, -1, -1);
1247
1248         return FALSE;
1249 }
1250
1251 static void
1252 chat_update_contacts_visibility (EmpathyChat *chat)
1253 {
1254         EmpathyChatPriv *priv = GET_PRIV (chat);
1255         gboolean show;
1256
1257         show = priv->remote_contact == NULL && priv->show_contacts;
1258
1259         if (!priv->scrolled_window_contacts) {
1260                 return;
1261         }
1262
1263         if (show && priv->contact_list_view == NULL) {
1264                 EmpathyContactListStore *store;
1265                 gint                     min_width;
1266
1267                 /* We are adding the contact list to the chat, we don't want the
1268                  * chat view to become too small. If the chat view is already
1269                  * smaller than 250 make sure that size won't change. If the
1270                  * chat view is bigger the contact list will take some space on
1271                  * it but we make sure the chat view don't become smaller than
1272                  * 250. Relax the size request once the resize is done */
1273                 min_width = MIN (priv->vbox_left->allocation.width, 250);
1274                 gtk_widget_set_size_request (priv->vbox_left, min_width, -1);
1275                 g_idle_add (chat_reset_size_request, priv->vbox_left);
1276
1277                 if (priv->contacts_width > 0) {
1278                         gtk_paned_set_position (GTK_PANED (priv->hpaned),
1279                                                 priv->contacts_width);
1280                 }
1281
1282                 store = empathy_contact_list_store_new (EMPATHY_CONTACT_LIST (priv->tp_chat));
1283                 priv->contact_list_view = GTK_WIDGET (empathy_contact_list_view_new (store,
1284                         EMPATHY_CONTACT_LIST_FEATURE_CONTACT_TOOLTIP,
1285                         EMPATHY_CONTACT_FEATURE_CHAT |
1286                         EMPATHY_CONTACT_FEATURE_CALL |
1287                         EMPATHY_CONTACT_FEATURE_LOG |
1288                         EMPATHY_CONTACT_FEATURE_INFO));
1289                 gtk_container_add (GTK_CONTAINER (priv->scrolled_window_contacts),
1290                                    priv->contact_list_view);
1291                 gtk_widget_show (priv->contact_list_view);
1292                 gtk_widget_show (priv->scrolled_window_contacts);
1293                 g_object_unref (store);
1294         } else if (!show) {
1295                 priv->contacts_width = gtk_paned_get_position (GTK_PANED (priv->hpaned));
1296                 gtk_widget_hide (priv->scrolled_window_contacts);
1297                 if (priv->contact_list_view != NULL) {
1298                         gtk_widget_destroy (priv->contact_list_view);
1299                         priv->contact_list_view = NULL;
1300                 }
1301         }
1302 }
1303
1304 void
1305 empathy_chat_set_show_contacts (EmpathyChat *chat,
1306                                 gboolean     show)
1307 {
1308         EmpathyChatPriv *priv = GET_PRIV (chat);
1309
1310         priv->show_contacts = show;
1311
1312         chat_update_contacts_visibility (chat);
1313
1314         g_object_notify (G_OBJECT (chat), "show-contacts");
1315 }
1316
1317 static void
1318 chat_remote_contact_changed_cb (EmpathyChat *chat)
1319 {
1320         EmpathyChatPriv *priv = GET_PRIV (chat);
1321
1322         if (priv->remote_contact != NULL) {
1323                 g_object_unref (priv->remote_contact);
1324                 priv->remote_contact = NULL;
1325         }
1326
1327         priv->remote_contact = empathy_tp_chat_get_remote_contact (priv->tp_chat);
1328         if (priv->remote_contact != NULL) {
1329                 g_object_ref (priv->remote_contact);
1330                 priv->handle_type = TP_HANDLE_TYPE_CONTACT;
1331                 g_free (priv->id);
1332                 priv->id = g_strdup (empathy_contact_get_id (priv->remote_contact));
1333         }
1334         else if (priv->tp_chat != NULL) {
1335                 TpChannel *channel;
1336
1337                 channel = empathy_tp_chat_get_channel (priv->tp_chat);
1338                 g_object_get (channel, "handle-type", &priv->handle_type, NULL);
1339                 g_free (priv->id);
1340                 priv->id = g_strdup (empathy_tp_chat_get_id (priv->tp_chat));
1341         }
1342
1343         chat_update_contacts_visibility (chat);
1344
1345         g_object_notify (G_OBJECT (chat), "remote-contact");
1346         g_object_notify (G_OBJECT (chat), "id");
1347 }
1348
1349 static void
1350 chat_destroy_cb (EmpathyTpChat *tp_chat,
1351                  EmpathyChat   *chat)
1352 {
1353         EmpathyChatPriv *priv;
1354
1355         priv = GET_PRIV (chat);
1356
1357         if (!priv->tp_chat) {
1358                 return;
1359         }
1360
1361         chat_composing_remove_timeout (chat);
1362         g_object_unref (priv->tp_chat);
1363         priv->tp_chat = NULL;
1364         g_object_notify (G_OBJECT (chat), "tp-chat");
1365
1366         empathy_chat_view_append_event (chat->view, _("Disconnected"));
1367         gtk_widget_set_sensitive (chat->input_text_view, FALSE);
1368         empathy_chat_set_show_contacts (chat, FALSE);
1369 }
1370
1371 static void
1372 show_pending_messages (EmpathyChat *chat) {
1373         EmpathyChatPriv *priv = GET_PRIV (chat);
1374         const GList *messages, *l;
1375
1376         if (chat->view == NULL || priv->tp_chat == NULL)
1377                 return;
1378
1379         messages = empathy_tp_chat_get_pending_messages (priv->tp_chat);
1380
1381         for (l = messages; l != NULL ; l = g_list_next (l)) {
1382                 EmpathyMessage *message = EMPATHY_MESSAGE (l->data);
1383                 chat_message_received (chat, message);
1384         }
1385         empathy_tp_chat_acknowledge_messages (priv->tp_chat, messages);
1386 }
1387
1388 static void
1389 chat_create_ui (EmpathyChat *chat)
1390 {
1391         EmpathyChatPriv *priv = GET_PRIV (chat);
1392         GtkBuilder      *gui;
1393         GList           *list = NULL;
1394         gchar           *filename;
1395         GtkTextBuffer   *buffer;
1396
1397         filename = empathy_file_lookup ("empathy-chat.ui",
1398                                         "libempathy-gtk");
1399         gui = empathy_builder_get_file (filename,
1400                                         "chat_widget", &priv->widget,
1401                                         "hpaned", &priv->hpaned,
1402                                         "vbox_left", &priv->vbox_left,
1403                                         "scrolled_window_chat", &priv->scrolled_window_chat,
1404                                         "scrolled_window_input", &priv->scrolled_window_input,
1405                                         "hbox_topic", &priv->hbox_topic,
1406                                         "label_topic", &priv->label_topic,
1407                                         "scrolled_window_contacts", &priv->scrolled_window_contacts,
1408                                         NULL);
1409         g_free (filename);
1410
1411         /* Add message view. */
1412         chat->view = empathy_theme_manager_create_view (empathy_theme_manager_get ());
1413         g_signal_connect (chat->view, "focus_in_event",
1414                           G_CALLBACK (chat_text_view_focus_in_event_cb),
1415                           chat);
1416         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat),
1417                            GTK_WIDGET (chat->view));
1418         gtk_widget_show (GTK_WIDGET (chat->view));
1419
1420         /* Add input GtkTextView */
1421         chat->input_text_view = g_object_new (GTK_TYPE_TEXT_VIEW,
1422                                               "pixels-above-lines", 2,
1423                                               "pixels-below-lines", 2,
1424                                               "pixels-inside-wrap", 1,
1425                                               "right-margin", 2,
1426                                               "left-margin", 2,
1427                                               "wrap-mode", GTK_WRAP_WORD_CHAR,
1428                                               NULL);
1429         g_signal_connect (chat->input_text_view, "key-press-event",
1430                           G_CALLBACK (chat_input_key_press_event_cb),
1431                           chat);
1432         g_signal_connect (chat->input_text_view, "size-request",
1433                           G_CALLBACK (chat_input_size_request_cb),
1434                           chat);
1435         g_signal_connect (chat->input_text_view, "realize",
1436                           G_CALLBACK (chat_input_realize_cb),
1437                           chat);
1438         g_signal_connect (chat->input_text_view, "populate-popup",
1439                           G_CALLBACK (chat_input_populate_popup_cb),
1440                           chat);
1441         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1442         g_signal_connect (buffer, "changed",
1443                           G_CALLBACK (chat_input_text_buffer_changed_cb),
1444                           chat);
1445         gtk_text_buffer_create_tag (buffer, "misspelled",
1446                                     "underline", PANGO_UNDERLINE_ERROR,
1447                                     NULL);
1448         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input),
1449                            chat->input_text_view);
1450         gtk_widget_show (chat->input_text_view);
1451
1452         /* Create contact list */
1453         chat_update_contacts_visibility (chat);
1454
1455         /* Initialy hide the topic, will be shown if not empty */
1456         gtk_widget_hide (priv->hbox_topic);
1457
1458         /* Set widget focus order */
1459         list = g_list_append (NULL, priv->scrolled_window_input);
1460         gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list);
1461         g_list_free (list);
1462
1463         list = g_list_append (NULL, priv->vbox_left);
1464         list = g_list_append (list, priv->scrolled_window_contacts);
1465         gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list);
1466         g_list_free (list);
1467
1468         list = g_list_append (NULL, priv->hpaned);
1469         list = g_list_append (list, priv->hbox_topic);
1470         gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list);
1471         g_list_free (list);
1472
1473         /* Add the main widget in the chat widget */
1474         gtk_container_add (GTK_CONTAINER (chat), priv->widget);
1475         g_object_unref (gui);
1476 }
1477
1478 static void
1479 chat_size_request (GtkWidget      *widget,
1480                    GtkRequisition *requisition)
1481 {
1482   GtkBin *bin = GTK_BIN (widget);
1483   GtkWidget *child;
1484
1485   requisition->width = gtk_container_get_border_width (GTK_CONTAINER (widget)) * 2;
1486   requisition->height = gtk_container_get_border_width (GTK_CONTAINER (widget)) * 2;
1487
1488   child = gtk_bin_get_child (bin);
1489
1490   if (child && GTK_WIDGET_VISIBLE (child))
1491     {
1492       GtkRequisition child_requisition;
1493
1494       gtk_widget_size_request (child, &child_requisition);
1495
1496       requisition->width += child_requisition.width;
1497       requisition->height += child_requisition.height;
1498     }
1499 }
1500
1501 static void
1502 chat_size_allocate (GtkWidget     *widget,
1503                     GtkAllocation *allocation)
1504 {
1505   GtkBin *bin = GTK_BIN (widget);
1506   GtkAllocation child_allocation;
1507   GtkWidget *child;
1508
1509   widget->allocation = *allocation;
1510
1511   child = gtk_bin_get_child (bin);
1512
1513   if (child && GTK_WIDGET_VISIBLE (child))
1514     {
1515       child_allocation.x = allocation->x + gtk_container_get_border_width (GTK_CONTAINER (widget));
1516       child_allocation.y = allocation->y + gtk_container_get_border_width (GTK_CONTAINER (widget));
1517       child_allocation.width = MAX (allocation->width - gtk_container_get_border_width (GTK_CONTAINER (widget)) * 2, 0);
1518       child_allocation.height = MAX (allocation->height - gtk_container_get_border_width (GTK_CONTAINER (widget)) * 2, 0);
1519
1520       gtk_widget_size_allocate (child, &child_allocation);
1521     }
1522 }
1523
1524 static void
1525 chat_finalize (GObject *object)
1526 {
1527         EmpathyChat     *chat;
1528         EmpathyChatPriv *priv;
1529
1530         chat = EMPATHY_CHAT (object);
1531         priv = GET_PRIV (chat);
1532
1533         DEBUG ("Finalized: %p", object);
1534
1535         g_slist_foreach (priv->sent_messages, (GFunc) g_free, NULL);
1536         g_slist_free (priv->sent_messages);
1537
1538         g_list_foreach (priv->compositors, (GFunc) g_object_unref, NULL);
1539         g_list_free (priv->compositors);
1540
1541         chat_composing_remove_timeout (chat);
1542
1543         g_signal_handlers_disconnect_by_func (priv->account_manager,
1544                                               chat_new_connection_cb, object);
1545
1546         g_object_unref (priv->account_manager);
1547         g_object_unref (priv->log_manager);
1548
1549         if (priv->tp_chat) {
1550                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1551                         chat_destroy_cb, chat);
1552                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1553                         chat_message_received_cb, chat);
1554                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1555                         chat_send_error_cb, chat);
1556                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1557                         chat_state_changed_cb, chat);
1558                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1559                         chat_property_changed_cb, chat);
1560                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1561                         chat_members_changed_cb, chat);
1562                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1563                         chat_remote_contact_changed_cb, chat);
1564                 empathy_tp_chat_close (priv->tp_chat);
1565                 g_object_unref (priv->tp_chat);
1566         }
1567         if (priv->account) {
1568                 g_object_unref (priv->account);
1569         }
1570         if (priv->remote_contact) {
1571                 g_object_unref (priv->remote_contact);
1572         }
1573
1574         if (priv->block_events_timeout_id) {
1575                 g_source_remove (priv->block_events_timeout_id);
1576         }
1577
1578         g_free (priv->id);
1579         g_free (priv->name);
1580         g_free (priv->subject);
1581         g_completion_free (priv->completion);
1582
1583         G_OBJECT_CLASS (empathy_chat_parent_class)->finalize (object);
1584 }
1585
1586 static void
1587 chat_constructed (GObject *object)
1588 {
1589         EmpathyChat *chat = EMPATHY_CHAT (object);
1590
1591         chat_create_ui (chat);
1592         chat_add_logs (chat);
1593         show_pending_messages (chat);
1594 }
1595
1596 static void
1597 empathy_chat_class_init (EmpathyChatClass *klass)
1598 {
1599         GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
1600         GObjectClass   *object_class = G_OBJECT_CLASS (klass);
1601
1602         object_class->finalize = chat_finalize;
1603         object_class->get_property = chat_get_property;
1604         object_class->set_property = chat_set_property;
1605         object_class->constructed = chat_constructed;
1606
1607         widget_class->size_request = chat_size_request;
1608         widget_class->size_allocate = chat_size_allocate;
1609
1610         g_object_class_install_property (object_class,
1611                                          PROP_TP_CHAT,
1612                                          g_param_spec_object ("tp-chat",
1613                                                               "Empathy tp chat",
1614                                                               "The tp chat object",
1615                                                               EMPATHY_TYPE_TP_CHAT,
1616                                                               G_PARAM_CONSTRUCT |
1617                                                               G_PARAM_READWRITE |
1618                                                               G_PARAM_STATIC_STRINGS));
1619         g_object_class_install_property (object_class,
1620                                          PROP_ACCOUNT,
1621                                          g_param_spec_object ("account",
1622                                                               "Account of the chat",
1623                                                               "The account of the chat",
1624                                                               EMPATHY_TYPE_ACCOUNT,
1625                                                               G_PARAM_READABLE |
1626                                                               G_PARAM_STATIC_STRINGS));
1627         g_object_class_install_property (object_class,
1628                                          PROP_ID,
1629                                          g_param_spec_string ("id",
1630                                                               "Chat's id",
1631                                                               "The id of the chat",
1632                                                               NULL,
1633                                                               G_PARAM_READABLE |
1634                                                               G_PARAM_STATIC_STRINGS));
1635         g_object_class_install_property (object_class,
1636                                          PROP_NAME,
1637                                          g_param_spec_string ("name",
1638                                                               "Chat's name",
1639                                                               "The name of the chat",
1640                                                               NULL,
1641                                                               G_PARAM_READABLE |
1642                                                               G_PARAM_STATIC_STRINGS));
1643         g_object_class_install_property (object_class,
1644                                          PROP_SUBJECT,
1645                                          g_param_spec_string ("subject",
1646                                                               "Chat's subject",
1647                                                               "The subject or topic of the chat",
1648                                                               NULL,
1649                                                               G_PARAM_READABLE |
1650                                                               G_PARAM_STATIC_STRINGS));
1651         g_object_class_install_property (object_class,
1652                                          PROP_REMOTE_CONTACT,
1653                                          g_param_spec_object ("remote-contact",
1654                                                               "The remote contact",
1655                                                               "The remote contact is any",
1656                                                               EMPATHY_TYPE_CONTACT,
1657                                                               G_PARAM_READABLE |
1658                                                               G_PARAM_STATIC_STRINGS));
1659         g_object_class_install_property (object_class,
1660                                          PROP_SHOW_CONTACTS,
1661                                          g_param_spec_boolean ("show-contacts",
1662                                                                "Contacts' visibility",
1663                                                                "The visibility of the contacts' list",
1664                                                                TRUE,
1665                                                                G_PARAM_READWRITE |
1666                                                                G_PARAM_STATIC_STRINGS));
1667
1668         signals[COMPOSING] =
1669                 g_signal_new ("composing",
1670                               G_OBJECT_CLASS_TYPE (object_class),
1671                               G_SIGNAL_RUN_LAST,
1672                               0,
1673                               NULL, NULL,
1674                               g_cclosure_marshal_VOID__BOOLEAN,
1675                               G_TYPE_NONE,
1676                               1, G_TYPE_BOOLEAN);
1677
1678         signals[NEW_MESSAGE] =
1679                 g_signal_new ("new-message",
1680                               G_OBJECT_CLASS_TYPE (object_class),
1681                               G_SIGNAL_RUN_LAST,
1682                               0,
1683                               NULL, NULL,
1684                               g_cclosure_marshal_VOID__OBJECT,
1685                               G_TYPE_NONE,
1686                               1, EMPATHY_TYPE_MESSAGE);
1687
1688         g_type_class_add_private (object_class, sizeof (EmpathyChatPriv));
1689 }
1690
1691 static gboolean
1692 chat_block_events_timeout_cb (gpointer data)
1693 {
1694         EmpathyChatPriv *priv = GET_PRIV (data);
1695
1696         priv->block_events_timeout_id = 0;
1697
1698         return FALSE;
1699 }
1700
1701 static void
1702 empathy_chat_init (EmpathyChat *chat)
1703 {
1704         EmpathyChatPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chat,
1705                 EMPATHY_TYPE_CHAT, EmpathyChatPriv);
1706
1707         chat->priv = priv;
1708         priv->log_manager = empathy_log_manager_dup_singleton ();
1709         priv->contacts_width = -1;
1710         priv->sent_messages = NULL;
1711         priv->sent_messages_index = -1;
1712         priv->account_manager = empathy_account_manager_dup_singleton ();
1713
1714         g_signal_connect (priv->account_manager,
1715                           "new-connection",
1716                           G_CALLBACK (chat_new_connection_cb),
1717                           chat);
1718
1719         empathy_conf_get_bool (empathy_conf_get (),
1720                                EMPATHY_PREFS_CHAT_SHOW_CONTACTS_IN_ROOMS,
1721                                &priv->show_contacts);
1722
1723         /* Block events for some time to avoid having "has come online" or
1724          * "joined" messages. */
1725         priv->block_events_timeout_id =
1726                 g_timeout_add_seconds (1, chat_block_events_timeout_cb, chat);
1727
1728         /* Add nick name completion */
1729         priv->completion = g_completion_new ((GCompletionFunc) empathy_contact_get_name);
1730         g_completion_set_compare (priv->completion, chat_contacts_completion_func);
1731 }
1732
1733 EmpathyChat *
1734 empathy_chat_new (EmpathyTpChat *tp_chat)
1735 {
1736         return g_object_new (EMPATHY_TYPE_CHAT, "tp-chat", tp_chat, NULL);
1737 }
1738
1739 EmpathyTpChat *
1740 empathy_chat_get_tp_chat (EmpathyChat *chat)
1741 {
1742         EmpathyChatPriv *priv = GET_PRIV (chat);
1743
1744         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1745
1746         return priv->tp_chat;
1747 }
1748
1749 void
1750 empathy_chat_set_tp_chat (EmpathyChat   *chat,
1751                           EmpathyTpChat *tp_chat)
1752 {
1753         EmpathyChatPriv *priv = GET_PRIV (chat);
1754         TpConnection    *connection;
1755
1756         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1757         g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
1758         g_return_if_fail (empathy_tp_chat_is_ready (tp_chat));
1759
1760         if (priv->tp_chat) {
1761                 return;
1762         }
1763
1764         if (priv->account) {
1765                 g_object_unref (priv->account);
1766         }
1767
1768         priv->tp_chat = g_object_ref (tp_chat);
1769         connection = empathy_tp_chat_get_connection (priv->tp_chat);
1770         priv->account = empathy_account_manager_get_account_for_connection (
1771                                                              priv->account_manager,
1772                                                              connection);
1773         g_object_ref (priv->account);
1774
1775         g_signal_connect (tp_chat, "destroy",
1776                           G_CALLBACK (chat_destroy_cb),
1777                           chat);
1778         g_signal_connect (tp_chat, "message-received",
1779                           G_CALLBACK (chat_message_received_cb),
1780                           chat);
1781         g_signal_connect (tp_chat, "send-error",
1782                           G_CALLBACK (chat_send_error_cb),
1783                           chat);
1784         g_signal_connect (tp_chat, "chat-state-changed",
1785                           G_CALLBACK (chat_state_changed_cb),
1786                           chat);
1787         g_signal_connect (tp_chat, "property-changed",
1788                           G_CALLBACK (chat_property_changed_cb),
1789                           chat);
1790         g_signal_connect (tp_chat, "members-changed",
1791                           G_CALLBACK (chat_members_changed_cb),
1792                           chat);
1793         g_signal_connect_swapped (tp_chat, "notify::remote-contact",
1794                                   G_CALLBACK (chat_remote_contact_changed_cb),
1795                                   chat);
1796
1797         chat_remote_contact_changed_cb (chat);
1798
1799         if (chat->input_text_view) {
1800                 gtk_widget_set_sensitive (chat->input_text_view, TRUE);
1801                 if (priv->block_events_timeout_id == 0) {
1802                         empathy_chat_view_append_event (chat->view, _("Connected"));
1803                 }
1804         }
1805
1806         g_object_notify (G_OBJECT (chat), "tp-chat");
1807         g_object_notify (G_OBJECT (chat), "id");
1808         g_object_notify (G_OBJECT (chat), "account");
1809
1810         /* This is a noop when tp-chat is set at object construction time and causes
1811          * the pending messages to be show when it's set on the object after it has
1812          * been created */
1813         show_pending_messages (chat);
1814 }
1815
1816 EmpathyAccount *
1817 empathy_chat_get_account (EmpathyChat *chat)
1818 {
1819         EmpathyChatPriv *priv = GET_PRIV (chat);
1820
1821         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1822
1823         return priv->account;
1824 }
1825
1826 const gchar *
1827 empathy_chat_get_id (EmpathyChat *chat)
1828 {
1829         EmpathyChatPriv *priv = GET_PRIV (chat);
1830
1831         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1832
1833         return priv->id;
1834 }
1835
1836 const gchar *
1837 empathy_chat_get_name (EmpathyChat *chat)
1838 {
1839         EmpathyChatPriv *priv = GET_PRIV (chat);
1840         const gchar *ret;
1841
1842         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1843
1844         ret = priv->name;
1845         if (!ret && priv->remote_contact) {
1846                 ret = empathy_contact_get_name (priv->remote_contact);
1847         }
1848
1849         if (!ret)
1850                 ret = priv->id;
1851
1852         return ret ? ret : _("Conversation");
1853 }
1854
1855 const gchar *
1856 empathy_chat_get_subject (EmpathyChat *chat)
1857 {
1858         EmpathyChatPriv *priv = GET_PRIV (chat);
1859
1860         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1861
1862         return priv->subject;
1863 }
1864
1865 EmpathyContact *
1866 empathy_chat_get_remote_contact (EmpathyChat *chat)
1867 {
1868         EmpathyChatPriv *priv = GET_PRIV (chat);
1869
1870         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1871
1872         return priv->remote_contact;
1873 }
1874
1875 GtkWidget *
1876 empathy_chat_get_contact_menu (EmpathyChat *chat)
1877 {
1878         EmpathyChatPriv *priv = GET_PRIV (chat);
1879         GtkWidget       *menu = NULL;
1880
1881         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1882
1883         if (priv->remote_contact) {
1884                 menu = empathy_contact_menu_new (priv->remote_contact,
1885                                                  EMPATHY_CONTACT_FEATURE_CALL |
1886                                                  EMPATHY_CONTACT_FEATURE_LOG |
1887                                                  EMPATHY_CONTACT_FEATURE_INFO);
1888         }
1889         else if (priv->contact_list_view) {
1890                 EmpathyContactListView *view;
1891
1892                 view = EMPATHY_CONTACT_LIST_VIEW (priv->contact_list_view);
1893                 menu = empathy_contact_list_view_get_contact_menu (view);
1894         }
1895
1896         return menu;
1897 }
1898
1899 void
1900 empathy_chat_clear (EmpathyChat *chat)
1901 {
1902         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1903
1904         empathy_chat_view_clear (chat->view);
1905 }
1906
1907 void
1908 empathy_chat_scroll_down (EmpathyChat *chat)
1909 {
1910         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1911
1912         empathy_chat_view_scroll_down (chat->view);
1913 }
1914
1915 void
1916 empathy_chat_cut (EmpathyChat *chat)
1917 {
1918         GtkTextBuffer *buffer;
1919
1920         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1921
1922         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1923         if (gtk_text_buffer_get_has_selection (buffer)) {
1924                 GtkClipboard *clipboard;
1925
1926                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1927
1928                 gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE);
1929         }
1930 }
1931
1932 void
1933 empathy_chat_copy (EmpathyChat *chat)
1934 {
1935         GtkTextBuffer *buffer;
1936
1937         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1938
1939         if (empathy_chat_view_get_has_selection (chat->view)) {
1940                 empathy_chat_view_copy_clipboard (chat->view);
1941                 return;
1942         }
1943
1944         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1945         if (gtk_text_buffer_get_has_selection (buffer)) {
1946                 GtkClipboard *clipboard;
1947
1948                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1949
1950                 gtk_text_buffer_copy_clipboard (buffer, clipboard);
1951         }
1952 }
1953
1954 void
1955 empathy_chat_paste (EmpathyChat *chat)
1956 {
1957         GtkTextBuffer *buffer;
1958         GtkClipboard  *clipboard;
1959
1960         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1961
1962         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1963         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1964
1965         gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE);
1966 }
1967
1968 void
1969 empathy_chat_correct_word (EmpathyChat  *chat,
1970                           GtkTextIter *start,
1971                           GtkTextIter *end,
1972                           const gchar *new_word)
1973 {
1974         GtkTextBuffer *buffer;
1975
1976         g_return_if_fail (chat != NULL);
1977         g_return_if_fail (new_word != NULL);
1978
1979         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1980
1981         gtk_text_buffer_delete (buffer, start, end);
1982         gtk_text_buffer_insert (buffer, start,
1983                                 new_word,
1984                                 -1);
1985 }
1986
1987 gboolean
1988 empathy_chat_is_room (EmpathyChat *chat)
1989 {
1990         EmpathyChatPriv *priv = GET_PRIV (chat);
1991
1992         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
1993
1994         return (priv->handle_type == TP_HANDLE_TYPE_ROOM);
1995 }
1996