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