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