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 <libmissioncontrol/mission-control.h>
  38 #include <telepathy-glib/util.h>
  39
  40 #include <libempathy/empathy-log-manager.h>
  41 #include <libempathy/empathy-contact-list.h>
  42 #include <libempathy/empathy-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         MissionControl    *mc;
  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         gpointer           token;
  83         gint               contacts_width;
  84         gboolean           has_input_vscroll;
  85
  86         GtkWidget         *widget;
  87         GtkWidget         *hpaned;
  88         GtkWidget         *vbox_left;
  89         GtkWidget         *scrolled_window_chat;
  90         GtkWidget         *scrolled_window_input;
  91         GtkWidget         *scrolled_window_contacts;
  92         GtkWidget         *hbox_topic;
  93         GtkWidget         *label_topic;
  94         GtkWidget         *contact_list_view;
  95 } EmpathyChatPriv;
  96
  97 enum {
  98         COMPOSING,
  99         NEW_MESSAGE,
 100         LAST_SIGNAL
 101 };
 102
 103 enum {
 104         PROP_0,
 105         PROP_TP_CHAT,
 106         PROP_ACCOUNT,
 107         PROP_ID,
 108         PROP_NAME,
 109         PROP_SUBJECT,
 110         PROP_REMOTE_CONTACT,
 111 };
 112
 113 static guint signals[LAST_SIGNAL] = { 0 };
 114
 115 G_DEFINE_TYPE (EmpathyChat, empathy_chat, GTK_TYPE_BIN);
 116
 117 static void
 118 chat_get_property (GObject    *object,
 119                    guint       param_id,
 120                    GValue     *value,
 121                    GParamSpec *pspec)
 122 {
 123         EmpathyChat *chat = EMPATHY_CHAT (object);
 124         EmpathyChatPriv *priv = GET_PRIV (object);
 125
 126         switch (param_id) {
 127         case PROP_TP_CHAT:
 128                 g_value_set_object (value, priv->tp_chat);
 129                 break;
 130         case PROP_ACCOUNT:
 131                 g_value_set_object (value, priv->account);
 132                 break;
 133         case PROP_NAME:
 134                 g_value_set_string (value, empathy_chat_get_name (chat));
 135                 break;
 136         case PROP_ID:
 137                 g_value_set_string (value, priv->id);
 138                 break;
 139         case PROP_SUBJECT:
 140                 g_value_set_string (value, priv->subject);
 141                 break;
 142         case PROP_REMOTE_CONTACT:
 143                 g_value_set_object (value, priv->remote_contact);
 144                 break;
 145         default:
 146                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 147                 break;
 148         };
 149 }
 150
 151 static void
 152 chat_set_property (GObject      *object,
 153                    guint         param_id,
 154                    const GValue *value,
 155                    GParamSpec   *pspec)
 156 {
 157         EmpathyChat *chat = EMPATHY_CHAT (object);
 158
 159         switch (param_id) {
 160         case PROP_TP_CHAT:
 161                 empathy_chat_set_tp_chat (chat, EMPATHY_TP_CHAT (g_value_get_object (value)));
 162                 break;
 163         default:
 164                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 165                 break;
 166         };
 167 }
 168
 169 static void
 170 chat_status_changed_cb (MissionControl           *mc,
 171                         TpConnectionStatus        status,
 172                         McPresence                presence,
 173                         TpConnectionStatusReason  reason,
 174                         const gchar              *unique_name,
 175                         EmpathyChat              *chat)
 176 {
 177         EmpathyChatPriv *priv = GET_PRIV (chat);
 178         McAccount       *account;
 179
 180         account = mc_account_lookup (unique_name);
 181
 182         if (status == TP_CONNECTION_STATUS_CONNECTED && !priv->tp_chat &&
 183             empathy_account_equal (account, priv->account) &&
 184             priv->handle_type != TP_HANDLE_TYPE_NONE) {
 185                 TpConnection *connection;
 186
 187                 DEBUG ("Account reconnected, request a new Text channel");
 188                 connection = mission_control_get_tpconnection (mc, account, NULL);
 189                 tp_connection_run_until_ready (connection, FALSE, NULL, NULL);
 190                 empathy_connection_request_channel (connection, -1,
 191                                                     TP_IFACE_CHANNEL_TYPE_TEXT,
 192                                                     priv->handle_type,
 193                                                     priv->id, TRUE,
 194                                                     NULL, NULL, NULL, NULL);
 195                 g_object_unref (connection);
 196         }
 197
 198         g_object_unref (account);
 199 }
 200
 201 static void
 202 chat_composing_remove_timeout (EmpathyChat *chat)
 203 {
 204         EmpathyChatPriv *priv;
 205
 206         priv = GET_PRIV (chat);
 207
 208         if (priv->composing_stop_timeout_id) {
 209                 g_source_remove (priv->composing_stop_timeout_id);
 210                 priv->composing_stop_timeout_id = 0;
 211         }
 212 }
 213
 214 static gboolean
 215 chat_composing_stop_timeout_cb (EmpathyChat *chat)
 216 {
 217         EmpathyChatPriv *priv;
 218
 219         priv = GET_PRIV (chat);
 220
 221         priv->composing_stop_timeout_id = 0;
 222         empathy_tp_chat_set_state (priv->tp_chat,
 223                                    TP_CHANNEL_CHAT_STATE_PAUSED);
 224
 225         return FALSE;
 226 }
 227
 228 static void
 229 chat_composing_start (EmpathyChat *chat)
 230 {
 231         EmpathyChatPriv *priv;
 232
 233         priv = GET_PRIV (chat);
 234
 235         if (priv->composing_stop_timeout_id) {
 236                 /* Just restart the timeout */
 237                 chat_composing_remove_timeout (chat);
 238         } else {
 239                 empathy_tp_chat_set_state (priv->tp_chat,
 240                                            TP_CHANNEL_CHAT_STATE_COMPOSING);
 241         }
 242
 243         priv->composing_stop_timeout_id = g_timeout_add_seconds (
 244                 COMPOSING_STOP_TIMEOUT,
 245                 (GSourceFunc) chat_composing_stop_timeout_cb,
 246                 chat);
 247 }
 248
 249 static void
 250 chat_composing_stop (EmpathyChat *chat)
 251 {
 252         EmpathyChatPriv *priv;
 253
 254         priv = GET_PRIV (chat);
 255
 256         chat_composing_remove_timeout (chat);
 257         empathy_tp_chat_set_state (priv->tp_chat,
 258                                    TP_CHANNEL_CHAT_STATE_ACTIVE);
 259 }
 260
 261 static void
 262 chat_sent_message_add (EmpathyChat  *chat,
 263                        const gchar *str)
 264 {
 265         EmpathyChatPriv *priv;
 266         GSList         *list;
 267         GSList         *item;
 268
 269         priv = GET_PRIV (chat);
 270
 271         /* Save the sent message in our repeat buffer */
 272         list = priv->sent_messages;
 273
 274         /* Remove any other occurances of this msg */
 275         while ((item = g_slist_find_custom (list, str, (GCompareFunc) strcmp)) != NULL) {
 276                 list = g_slist_remove_link (list, item);
 277                 g_free (item->data);
 278                 g_slist_free1 (item);
 279         }
 280
 281         /* Trim the list to the last 10 items */
 282         while (g_slist_length (list) > 10) {
 283                 item = g_slist_last (list);
 284                 if (item) {
 285                         list = g_slist_remove_link (list, item);
 286                         g_free (item->data);
 287                         g_slist_free1 (item);
 288                 }
 289         }
 290
 291         /* Add new message */
 292         list = g_slist_prepend (list, g_strdup (str));
 293
 294         /* Set list and reset the index */
 295         priv->sent_messages = list;
 296         priv->sent_messages_index = -1;
 297 }
 298
 299 static const gchar *
 300 chat_sent_message_get_next (EmpathyChat *chat)
 301 {
 302         EmpathyChatPriv *priv;
 303         gint            max;
 304
 305         priv = GET_PRIV (chat);
 306
 307         if (!priv->sent_messages) {
 308                 DEBUG ("No sent messages, next message is NULL");
 309                 return NULL;
 310         }
 311
 312         max = g_slist_length (priv->sent_messages) - 1;
 313
 314         if (priv->sent_messages_index < max) {
 315                 priv->sent_messages_index++;
 316         }
 317
 318         DEBUG ("Returning next message index:%d", priv->sent_messages_index);
 319
 320         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 321 }
 322
 323 static const gchar *
 324 chat_sent_message_get_last (EmpathyChat *chat)
 325 {
 326         EmpathyChatPriv *priv;
 327
 328         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
 329
 330         priv = GET_PRIV (chat);
 331
 332         if (!priv->sent_messages) {
 333                 DEBUG ("No sent messages, last message is NULL");
 334                 return NULL;
 335         }
 336
 337         if (priv->sent_messages_index >= 0) {
 338                 priv->sent_messages_index--;
 339         }
 340
 341         DEBUG ("Returning last message index:%d", priv->sent_messages_index);
 342
 343         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 344 }
 345
 346 static void
 347 chat_send (EmpathyChat  *chat,
 348            const gchar *msg)
 349 {
 350         EmpathyChatPriv *priv;
 351         EmpathyMessage  *message;
 352
 353         priv = GET_PRIV (chat);
 354
 355         if (G_STR_EMPTY (msg)) {
 356                 return;
 357         }
 358
 359         chat_sent_message_add (chat, msg);
 360
 361         if (g_str_has_prefix (msg, "/clear")) {
 362                 empathy_chat_view_clear (chat->view);
 363                 return;
 364         }
 365
 366         message = empathy_message_new (msg);
 367
 368         empathy_tp_chat_send (priv->tp_chat, message);
 369
 370         g_object_unref (message);
 371 }
 372
 373 static void
 374 chat_input_text_view_send (EmpathyChat *chat)
 375 {
 376         EmpathyChatPriv *priv;
 377         GtkTextBuffer  *buffer;
 378         GtkTextIter     start, end;
 379         gchar          *msg;
 380
 381         priv = GET_PRIV (chat);
 382
 383         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 384
 385         gtk_text_buffer_get_bounds (buffer, &start, &end);
 386         msg = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 387
 388         /* clear the input field */
 389         gtk_text_buffer_set_text (buffer, "", -1);
 390
 391         chat_send (chat, msg);
 392         g_free (msg);
 393 }
 394
 395 static void
 396 chat_state_changed_cb (EmpathyTpChat      *tp_chat,
 397                        EmpathyContact     *contact,
 398                        TpChannelChatState  state,
 399                        EmpathyChat        *chat)
 400 {
 401         EmpathyChatPriv *priv;
 402         GList          *l;
 403         gboolean        was_composing;
 404
 405         priv = GET_PRIV (chat);
 406
 407         if (empathy_contact_is_user (contact)) {
 408                 /* We don't care about our own chat state */
 409                 return;
 410         }
 411
 412         was_composing = (priv->compositors != NULL);
 413
 414         /* Find the contact in the list. After that l is the list elem or NULL */
 415         for (l = priv->compositors; l; l = l->next) {
 416                 if (contact == l->data) {
 417                         break;
 418                 }
 419         }
 420
 421         switch (state) {
 422         case TP_CHANNEL_CHAT_STATE_GONE:
 423         case TP_CHANNEL_CHAT_STATE_INACTIVE:
 424         case TP_CHANNEL_CHAT_STATE_PAUSED:
 425         case TP_CHANNEL_CHAT_STATE_ACTIVE:
 426                 /* Contact is not composing */
 427                 if (l) {
 428                         priv->compositors = g_list_remove_link (priv->compositors, l);
 429                         g_object_unref (l->data);
 430                         g_list_free1 (l);
 431                 }
 432                 break;
 433         case TP_CHANNEL_CHAT_STATE_COMPOSING:
 434                 /* Contact is composing */
 435                 if (!l) {
 436                         priv->compositors = g_list_prepend (priv->compositors,
 437                                                             g_object_ref (contact));
 438                 }
 439                 break;
 440         default:
 441                 g_assert_not_reached ();
 442         }
 443
 444         DEBUG ("Was composing: %s now composing: %s",
 445                 was_composing ? "yes" : "no",
 446                 priv->compositors ? "yes" : "no");
 447
 448         if ((was_composing && !priv->compositors) ||
 449             (!was_composing && priv->compositors)) {
 450                 /* Composing state changed */
 451                 g_signal_emit (chat, signals[COMPOSING], 0,
 452                                priv->compositors != NULL);
 453         }
 454 }
 455
 456 static void
 457 chat_message_received_cb (EmpathyTpChat  *tp_chat,
 458                           EmpathyMessage *message,
 459                           EmpathyChat    *chat)
 460 {
 461         EmpathyChatPriv *priv = GET_PRIV (chat);
 462         EmpathyContact  *sender;
 463
 464         sender = empathy_message_get_sender (message);
 465
 466         DEBUG ("Appending new message from %s (%d)",
 467                 empathy_contact_get_name (sender),
 468                 empathy_contact_get_handle (sender));
 469
 470         if (priv->id) {
 471                 gboolean is_chatroom;
 472
 473                 is_chatroom = priv->handle_type == TP_HANDLE_TYPE_ROOM;
 474                 empathy_log_manager_add_message (priv->log_manager,
 475                                                  priv->id, is_chatroom,
 476                                                  message);
 477         }
 478
 479         empathy_chat_view_append_message (chat->view, message);
 480
 481         /* We received a message so the contact is no more composing */
 482         chat_state_changed_cb (tp_chat, sender,
 483                                TP_CHANNEL_CHAT_STATE_ACTIVE,
 484                                chat);
 485
 486         g_signal_emit (chat, signals[NEW_MESSAGE], 0, message);
 487 }
 488
 489 static void
 490 chat_send_error_cb (EmpathyTpChat          *tp_chat,
 491                     EmpathyMessage         *message,
 492                     TpChannelTextSendError  error_code,
 493                     EmpathyChat            *chat)
 494 {
 495         const gchar *error;
 496         gchar       *str;
 497
 498         switch (error_code) {
 499         case TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE:
 500                 error = _("offline");
 501                 break;
 502         case TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT:
 503                 error = _("invalid contact");
 504                 break;
 505         case TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED:
 506                 error = _("permission denied");
 507                 break;
 508         case TP_CHANNEL_TEXT_SEND_ERROR_TOO_LONG:
 509                 error = _("too long message");
 510                 break;
 511         case TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED:
 512                 error = _("not implemented");
 513                 break;
 514         default:
 515                 error = _("unknown");
 516                 break;
 517         }
 518
 519         str = g_strdup_printf (_("Error sending message '%s': %s"),
 520                                empathy_message_get_body (message),
 521                                error);
 522         empathy_chat_view_append_event (chat->view, str);
 523         g_free (str);
 524 }
 525
 526 static void
 527 chat_property_changed_cb (EmpathyTpChat *tp_chat,
 528                           const gchar   *name,
 529                           GValue        *value,
 530                           EmpathyChat   *chat)
 531 {
 532         EmpathyChatPriv *priv = GET_PRIV (chat);
 533
 534         if (!tp_strdiff (name, "subject")) {
 535                 g_free (priv->subject);
 536                 priv->subject = g_value_dup_string (value);
 537                 g_object_notify (G_OBJECT (chat), "subject");
 538
 539                 if (G_STR_EMPTY (priv->subject)) {
 540                         gtk_widget_hide (priv->hbox_topic);
 541                 } else {
 542                         gtk_label_set_text (GTK_LABEL (priv->label_topic), priv->subject);
 543                         gtk_widget_show (priv->hbox_topic);
 544                 }
 545                 if (priv->block_events_timeout_id == 0) {
 546                         gchar *str;
 547
 548                         if (!G_STR_EMPTY (priv->subject)) {
 549                                 str = g_strdup_printf (_("Topic set to: %s"), priv->subject);
 550                         } else {
 551                                 str = g_strdup (_("No topic defined"));
 552                         }
 553                         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
 554                         g_free (str);
 555                 }
 556         }
 557         else if (!tp_strdiff (name, "name")) {
 558                 g_free (priv->name);
 559                 priv->name = g_value_dup_string (value);
 560                 g_object_notify (G_OBJECT (chat), "name");
 561         }
 562 }
 563
 564 static gboolean
 565 chat_get_is_command (const gchar *str)
 566 {
 567         g_return_val_if_fail (str != NULL, FALSE);
 568
 569         if (str[0] != '/') {
 570                 return FALSE;
 571         }
 572
 573         if (g_str_has_prefix (str, "/me")) {
 574                 return TRUE;
 575         }
 576         else if (g_str_has_prefix (str, "/nick")) {
 577                 return TRUE;
 578         }
 579         else if (g_str_has_prefix (str, "/topic")) {
 580                 return TRUE;
 581         }
 582
 583         return FALSE;
 584 }
 585
 586 static void
 587 chat_input_text_buffer_changed_cb (GtkTextBuffer *buffer,
 588                                    EmpathyChat    *chat)
 589 {
 590         EmpathyChatPriv *priv;
 591         GtkTextIter     start, end;
 592         gchar          *str;
 593         gboolean        spell_checker = FALSE;
 594
 595         priv = GET_PRIV (chat);
 596
 597         if (gtk_text_buffer_get_char_count (buffer) == 0) {
 598                 chat_composing_stop (chat);
 599         } else {
 600                 chat_composing_start (chat);
 601         }
 602
 603         empathy_conf_get_bool (empathy_conf_get (),
 604                               EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED,
 605                               &spell_checker);
 606
 607         gtk_text_buffer_get_start_iter (buffer, &start);
 608
 609         if (!spell_checker) {
 610                 gtk_text_buffer_get_end_iter (buffer, &end);
 611                 gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 612                 return;
 613         }
 614
 615         if (!empathy_spell_supported ()) {
 616                 return;
 617         }
 618
 619         /* NOTE: this is really inefficient, we shouldn't have to
 620            reiterate the whole buffer each time and check each work
 621            every time. */
 622         while (TRUE) {
 623                 gboolean correct = FALSE;
 624
 625                 /* if at start */
 626                 if (gtk_text_iter_is_start (&start)) {
 627                         end = start;
 628
 629                         if (!gtk_text_iter_forward_word_end (&end)) {
 630                                 /* no whole word yet */
 631                                 break;
 632                         }
 633                 } else {
 634                         if (!gtk_text_iter_forward_word_end (&end)) {
 635                                 /* must be the end of the buffer */
 636                                 break;
 637                         }
 638
 639                         start = end;
 640                         gtk_text_iter_backward_word_start (&start);
 641                 }
 642
 643                 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 644
 645                 /* spell check string */
 646                 if (!chat_get_is_command (str)) {
 647                         correct = empathy_spell_check (str);
 648                 } else {
 649                         correct = TRUE;
 650                 }
 651
 652                 if (!correct) {
 653                         gtk_text_buffer_apply_tag_by_name (buffer, "misspelled", &start, &end);
 654                 } else {
 655                         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 656                 }
 657
 658                 g_free (str);
 659
 660                 /* set start iter to the end iters position */
 661                 start = end;
 662         }
 663 }
 664
 665 static gboolean
 666 chat_input_key_press_event_cb (GtkWidget   *widget,
 667                                GdkEventKey *event,
 668                                EmpathyChat *chat)
 669 {
 670         EmpathyChatPriv *priv;
 671         GtkAdjustment  *adj;
 672         gdouble         val;
 673         GtkWidget      *text_view_sw;
 674
 675         priv = GET_PRIV (chat);
 676
 677         /* Catch ctrl+up/down so we can traverse messages we sent */
 678         if ((event->state & GDK_CONTROL_MASK) &&
 679             (event->keyval == GDK_Up ||
 680              event->keyval == GDK_Down)) {
 681                 GtkTextBuffer *buffer;
 682                 const gchar   *str;
 683
 684                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 685
 686                 if (event->keyval == GDK_Up) {
 687                         str = chat_sent_message_get_next (chat);
 688                 } else {
 689                         str = chat_sent_message_get_last (chat);
 690                 }
 691
 692                 g_signal_handlers_block_by_func (buffer,
 693                                                  chat_input_text_buffer_changed_cb,
 694                                                  chat);
 695                 gtk_text_buffer_set_text (buffer, str ? str : "", -1);
 696                 g_signal_handlers_unblock_by_func (buffer,
 697                                                    chat_input_text_buffer_changed_cb,
 698                                                    chat);
 699
 700                 return TRUE;
 701         }
 702
 703         /* Catch enter but not ctrl/shift-enter */
 704         if (IS_ENTER (event->keyval) &&
 705             !(event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
 706                 GtkTextView *view;
 707
 708                 /* This is to make sure that kinput2 gets the enter. And if
 709                  * it's handled there we shouldn't send on it. This is because
 710                  * kinput2 uses Enter to commit letters. See:
 711                  * http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104299
 712                  */
 713
 714                 view = GTK_TEXT_VIEW (chat->input_text_view);
 715                 if (gtk_im_context_filter_keypress (view->im_context, event)) {
 716                         GTK_TEXT_VIEW (chat->input_text_view)->need_im_reset = TRUE;
 717                         return TRUE;
 718                 }
 719
 720                 chat_input_text_view_send (chat);
 721                 return TRUE;
 722         }
 723
 724         text_view_sw = gtk_widget_get_parent (GTK_WIDGET (chat->view));
 725
 726         if (IS_ENTER (event->keyval) &&
 727             (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
 728                 /* Newline for shift/control-enter. */
 729                 return FALSE;
 730         }
 731         if (!(event->state & GDK_CONTROL_MASK) &&
 732             event->keyval == GDK_Page_Up) {
 733                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 734                 gtk_adjustment_set_value (adj, adj->value - adj->page_size);
 735                 return TRUE;
 736         }
 737         if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 738             event->keyval == GDK_Page_Down) {
 739                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 740                 val = MIN (adj->value + adj->page_size, adj->upper - adj->page_size);
 741                 gtk_adjustment_set_value (adj, val);
 742                 return TRUE;
 743         }
 744         if (!(event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) &&
 745             event->keyval == GDK_Tab) {
 746                 GtkTextBuffer *buffer;
 747                 GtkTextIter    start, current;
 748                 gchar         *nick, *completed;
 749                 GList         *list, *completed_list;
 750                 gboolean       is_start_of_buffer;
 751
 752                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (EMPATHY_CHAT (chat)->input_text_view));
 753                 gtk_text_buffer_get_iter_at_mark (buffer, &current, gtk_text_buffer_get_insert (buffer));
 754
 755                 /* Get the start of the nick to complete. */
 756                 gtk_text_buffer_get_iter_at_mark (buffer, &start, gtk_text_buffer_get_insert (buffer));
 757                 gtk_text_iter_backward_word_start (&start);
 758                 is_start_of_buffer = gtk_text_iter_is_start (&start);
 759
 760                 list = empathy_contact_list_get_members (EMPATHY_CONTACT_LIST (priv->tp_chat));
 761                 g_completion_add_items (priv->completion, list);
 762
 763                 nick = gtk_text_buffer_get_text (buffer, &start, &current, FALSE);
 764                 completed_list = g_completion_complete (priv->completion,
 765                                                         nick,
 766                                                         &completed);
 767
 768                 g_free (nick);
 769
 770                 if (completed) {
 771                         guint        len;
 772                         const gchar *text;
 773                         gchar       *complete_char = NULL;
 774
 775                         gtk_text_buffer_delete (buffer, &start, &current);
 776
 777                         len = g_list_length (completed_list);
 778
 779                         if (len == 1) {
 780                                 /* If we only have one hit, use that text
 781                                  * instead of the text in completed since the
 782                                  * completed text will use the typed string
 783                                  * which might be cased all wrong.
 784                                  * Fixes #120876
 785                                  * */
 786                                 text = empathy_contact_get_name (completed_list->data);
 787                         } else {
 788                                 text = completed;
 789                         }
 790
 791                         gtk_text_buffer_insert_at_cursor (buffer, text, strlen (text));
 792
 793                         if (len == 1 && is_start_of_buffer &&
 794                             empathy_conf_get_string (empathy_conf_get (),
 795                                                      EMPATHY_PREFS_CHAT_NICK_COMPLETION_CHAR,
 796                                                      &complete_char) &&
 797                             complete_char != NULL) {
 798                                 gtk_text_buffer_insert_at_cursor (buffer,
 799                                                                   complete_char,
 800                                                                   strlen (complete_char));
 801                                 gtk_text_buffer_insert_at_cursor (buffer, " ", 1);
 802                                 g_free (complete_char);
 803                         }
 804
 805                         g_free (completed);
 806                 }
 807
 808                 g_completion_clear_items (priv->completion);
 809
 810                 g_list_foreach (list, (GFunc) g_object_unref, NULL);
 811                 g_list_free (list);
 812
 813                 return TRUE;
 814         }
 815
 816         return FALSE;
 817 }
 818
 819 static gboolean
 820 chat_text_view_focus_in_event_cb (GtkWidget  *widget,
 821                                   GdkEvent   *event,
 822                                   EmpathyChat *chat)
 823 {
 824         gtk_widget_grab_focus (chat->input_text_view);
 825
 826         return TRUE;
 827 }
 828
 829 static gboolean
 830 chat_input_set_size_request_idle (gpointer sw)
 831 {
 832         gtk_widget_set_size_request (sw, -1, MAX_INPUT_HEIGHT);
 833
 834         return FALSE;
 835 }
 836
 837 static void
 838 chat_input_size_request_cb (GtkWidget      *widget,
 839                             GtkRequisition *requisition,
 840                             EmpathyChat    *chat)
 841 {
 842         EmpathyChatPriv *priv = GET_PRIV (chat);
 843         GtkWidget       *sw;
 844
 845         sw = gtk_widget_get_parent (widget);
 846         if (requisition->height >= MAX_INPUT_HEIGHT && !priv->has_input_vscroll) {
 847                 g_idle_add (chat_input_set_size_request_idle, sw);
 848                 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 849                                                 GTK_POLICY_NEVER,
 850                                                 GTK_POLICY_ALWAYS);
 851                 priv->has_input_vscroll = TRUE;
 852         }
 853
 854         if (requisition->height < MAX_INPUT_HEIGHT && priv->has_input_vscroll) {
 855                 gtk_widget_set_size_request (sw, -1, -1);
 856                 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 857                                                 GTK_POLICY_NEVER,
 858                                                 GTK_POLICY_NEVER);
 859                 priv->has_input_vscroll = FALSE;
 860         }
 861 }
 862
 863 static void
 864 chat_input_realize_cb (GtkWidget   *widget,
 865                        EmpathyChat *chat)
 866 {
 867         DEBUG ("Setting focus to the input text view");
 868         gtk_widget_grab_focus (widget);
 869 }
 870
 871 static void
 872 chat_insert_smiley_activate_cb (EmpathySmileyManager *manager,
 873                                 EmpathySmiley        *smiley,
 874                                 gpointer              user_data)
 875 {
 876         EmpathyChat   *chat = EMPATHY_CHAT (user_data);
 877         GtkTextBuffer *buffer;
 878         GtkTextIter    iter;
 879
 880         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 881
 882         gtk_text_buffer_get_end_iter (buffer, &iter);
 883         gtk_text_buffer_insert (buffer, &iter, smiley->str, -1);
 884
 885         gtk_text_buffer_get_end_iter (buffer, &iter);
 886         gtk_text_buffer_insert (buffer, &iter, " ", -1);
 887 }
 888
 889 typedef struct {
 890         EmpathyChat  *chat;
 891         gchar       *word;
 892
 893         GtkTextIter  start;
 894         GtkTextIter  end;
 895 } EmpathyChatSpell;
 896
 897 static EmpathyChatSpell *
 898 chat_spell_new (EmpathyChat  *chat,
 899                 const gchar *word,
 900                 GtkTextIter  start,
 901                 GtkTextIter  end)
 902 {
 903         EmpathyChatSpell *chat_spell;
 904
 905         chat_spell = g_slice_new0 (EmpathyChatSpell);
 906
 907         chat_spell->chat = g_object_ref (chat);
 908         chat_spell->word = g_strdup (word);
 909         chat_spell->start = start;
 910         chat_spell->end = end;
 911
 912         return chat_spell;
 913 }
 914
 915 static void
 916 chat_spell_free (EmpathyChatSpell *chat_spell)
 917 {
 918         g_object_unref (chat_spell->chat);
 919         g_free (chat_spell->word);
 920         g_slice_free (EmpathyChatSpell, chat_spell);
 921 }
 922
 923 static void
 924 chat_text_check_word_spelling_cb (GtkMenuItem     *menuitem,
 925                                   EmpathyChatSpell *chat_spell)
 926 {
 927         empathy_spell_dialog_show (chat_spell->chat,
 928                                   &chat_spell->start,
 929                                   &chat_spell->end,
 930                                   chat_spell->word);
 931 }
 932
 933 static void
 934 chat_text_send_cb (GtkMenuItem *menuitem,
 935                    EmpathyChat *chat)
 936 {
 937         chat_input_text_view_send (chat);
 938 }
 939
 940 static void
 941 chat_input_populate_popup_cb (GtkTextView *view,
 942                               GtkMenu     *menu,
 943                               EmpathyChat *chat)
 944 {
 945         EmpathyChatPriv      *priv;
 946         GtkTextBuffer        *buffer;
 947         GtkTextTagTable      *table;
 948         GtkTextTag           *tag;
 949         gint                  x, y;
 950         GtkTextIter           iter, start, end;
 951         GtkWidget            *item;
 952         gchar                *str = NULL;
 953         EmpathyChatSpell      *chat_spell;
 954         EmpathySmileyManager *smiley_manager;
 955         GtkWidget            *smiley_menu;
 956         GtkWidget            *image;
 957
 958         priv = GET_PRIV (chat);
 959         buffer = gtk_text_view_get_buffer (view);
 960
 961         /* Add the emoticon menu. */
 962         item = gtk_separator_menu_item_new ();
 963         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 964         gtk_widget_show (item);
 965
 966         item = gtk_image_menu_item_new_with_mnemonic (_("Insert Smiley"));
 967         image = gtk_image_new_from_icon_name ("face-smile",
 968                                               GTK_ICON_SIZE_MENU);
 969         gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
 970         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 971         gtk_widget_show (item);
 972
 973         smiley_manager = empathy_smiley_manager_new ();
 974         smiley_menu = empathy_smiley_menu_new (smiley_manager,
 975                                                chat_insert_smiley_activate_cb,
 976                                                chat);
 977         gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu);
 978         g_object_unref (smiley_manager);
 979
 980         /* Add the Send menu item. */
 981         gtk_text_buffer_get_bounds (buffer, &start, &end);
 982         str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 983         if (!G_STR_EMPTY (str)) {
 984                 item = gtk_menu_item_new_with_mnemonic (_("_Send"));
 985                 g_signal_connect (G_OBJECT (item), "activate",
 986                                   G_CALLBACK (chat_text_send_cb), chat);
 987                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 988                 gtk_widget_show (item);
 989         }
 990         str = NULL;
 991
 992         /* Add the spell check menu item. */
 993         table = gtk_text_buffer_get_tag_table (buffer);
 994         tag = gtk_text_tag_table_lookup (table, "misspelled");
 995         gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
 996         gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
 997                                                GTK_TEXT_WINDOW_WIDGET,
 998                                                x, y,
 999                                                &x, &y);
1000         gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y);
1001         start = end = iter;
1002         if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
1003             gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
1004
1005                 str = gtk_text_buffer_get_text (buffer,
1006                                                 &start, &end, FALSE);
1007         }
1008         if (!G_STR_EMPTY (str)) {
1009                 chat_spell = chat_spell_new (chat, str, start, end);
1010                 g_object_set_data_full (G_OBJECT (menu),
1011                                         "chat_spell", chat_spell,
1012                                         (GDestroyNotify) chat_spell_free);
1013
1014                 item = gtk_separator_menu_item_new ();
1015                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1016                 gtk_widget_show (item);
1017
1018                 item = gtk_image_menu_item_new_with_mnemonic (_("_Check Word Spelling..."));
1019                 image = gtk_image_new_from_icon_name (GTK_STOCK_SPELL_CHECK,
1020                                                       GTK_ICON_SIZE_MENU);
1021                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
1022                 g_signal_connect (item,
1023                                   "activate",
1024                                   G_CALLBACK (chat_text_check_word_spelling_cb),
1025                                   chat_spell);
1026                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1027                 gtk_widget_show (item);
1028         }
1029 }
1030
1031 static void
1032 chat_add_logs (EmpathyChat *chat)
1033 {
1034         EmpathyChatPriv *priv = GET_PRIV (chat);
1035         gboolean         is_chatroom;
1036         GList           *messages, *l;
1037         guint            num_messages;
1038         guint            i;
1039
1040         if (!priv->id) {
1041                 return;
1042         }
1043
1044         /* Turn off scrolling temporarily */
1045         empathy_chat_view_scroll (chat->view, FALSE);
1046
1047         /* Add messages from last conversation */
1048         is_chatroom = priv->handle_type == TP_HANDLE_TYPE_ROOM;
1049         messages = empathy_log_manager_get_last_messages (priv->log_manager,
1050                                                           priv->account,
1051                                                           priv->id,
1052                                                           is_chatroom);
1053         num_messages  = g_list_length (messages);
1054
1055         /* Only keep the 10 last messages */
1056         for (i = 0; num_messages - i > 10; i++) {
1057                 EmpathyMessage *message;
1058
1059                 message = messages->data;
1060                 messages = g_list_remove (messages, message);
1061                 g_object_unref (message);
1062         }
1063
1064         for (l = messages; l; l = l->next) {
1065                 empathy_chat_view_append_message (chat->view, l->data);
1066                 g_object_unref (l->data);
1067         }
1068         g_list_free (messages);
1069
1070         /* Turn back on scrolling */
1071         empathy_chat_view_scroll (chat->view, TRUE);
1072 }
1073
1074 static gint
1075 chat_contacts_completion_func (const gchar *s1,
1076                                const gchar *s2,
1077                                gsize        n)
1078 {
1079         gchar *tmp, *nick1, *nick2;
1080         gint   ret;
1081
1082         if (s1 == s2) {
1083                 return 0;
1084         }
1085         if (!s1 || !s2) {
1086                 return s1 ? -1 : +1;
1087         }
1088
1089         tmp = g_utf8_normalize (s1, -1, G_NORMALIZE_DEFAULT);
1090         nick1 = g_utf8_casefold (tmp, -1);
1091         g_free (tmp);
1092
1093         tmp = g_utf8_normalize (s2, -1, G_NORMALIZE_DEFAULT);
1094         nick2 = g_utf8_casefold (tmp, -1);
1095         g_free (tmp);
1096
1097         ret = strncmp (nick1, nick2, n);
1098
1099         g_free (nick1);
1100         g_free (nick2);
1101
1102         return ret;
1103 }
1104
1105 static void
1106 chat_members_changed_cb (EmpathyTpChat  *tp_chat,
1107                          EmpathyContact *contact,
1108                          EmpathyContact *actor,
1109                          guint           reason,
1110                          gchar          *message,
1111                          gboolean        is_member,
1112                          EmpathyChat    *chat)
1113 {
1114         EmpathyChatPriv *priv = GET_PRIV (chat);
1115
1116         if (priv->block_events_timeout_id == 0) {
1117                 gchar *str;
1118
1119                 empathy_contact_run_until_ready (contact,
1120                                                  EMPATHY_CONTACT_READY_NAME,
1121                                                  NULL);
1122
1123                 if (is_member) {
1124                         str = g_strdup_printf (_("%s has joined the room"),
1125                                                empathy_contact_get_name (contact));
1126                 } else {
1127                         str = g_strdup_printf (_("%s has left the room"),
1128                                                empathy_contact_get_name (contact));
1129                 }
1130                 empathy_chat_view_append_event (chat->view, str);
1131                 g_free (str);
1132         }
1133 }
1134
1135 static gboolean
1136 chat_reset_size_request (gpointer widget)
1137 {
1138         gtk_widget_set_size_request (widget, -1, -1);
1139
1140         return FALSE;
1141 }
1142
1143 static void
1144 chat_set_show_contacts (EmpathyChat *chat, gboolean show)
1145 {
1146         EmpathyChatPriv *priv = GET_PRIV (chat);
1147
1148         if (!priv->scrolled_window_contacts) {
1149                 return;
1150         }
1151
1152         if (show) {
1153                 EmpathyContactListStore *store;
1154                 gint                     min_width;
1155
1156                 /* We are adding the contact list to the chat, we don't want the
1157                  * chat view to become too small. If the chat view is already
1158                  * smaller than 250 make sure that size won't change. If the
1159                  * chat view is bigger the contact list will take some space on
1160                  * it but we make sure the chat view don't become smaller than
1161                  * 250. Relax the size request once the resize is done */
1162                 min_width = MIN (priv->vbox_left->allocation.width, 250);
1163                 gtk_widget_set_size_request (priv->vbox_left, min_width, -1);
1164                 g_idle_add (chat_reset_size_request, priv->vbox_left);
1165
1166                 if (priv->contacts_width > 0) {
1167                         gtk_paned_set_position (GTK_PANED (priv->hpaned),
1168                                                 priv->contacts_width);
1169                 }
1170
1171                 store = empathy_contact_list_store_new (EMPATHY_CONTACT_LIST (priv->tp_chat));
1172                 priv->contact_list_view = GTK_WIDGET (empathy_contact_list_view_new (store,
1173                         EMPATHY_CONTACT_LIST_FEATURE_NONE,
1174                         EMPATHY_CONTACT_FEATURE_CHAT |
1175                         EMPATHY_CONTACT_FEATURE_CALL |
1176                         EMPATHY_CONTACT_FEATURE_LOG |
1177                         EMPATHY_CONTACT_FEATURE_INFO));
1178                 gtk_container_add (GTK_CONTAINER (priv->scrolled_window_contacts),
1179                                    priv->contact_list_view);
1180                 gtk_widget_show (priv->contact_list_view);
1181                 gtk_widget_show (priv->scrolled_window_contacts);
1182                 g_object_unref (store);
1183         } else {
1184                 priv->contacts_width = gtk_paned_get_position (GTK_PANED (priv->hpaned));
1185                 gtk_widget_hide (priv->scrolled_window_contacts);
1186                 if (priv->contact_list_view) {
1187                         gtk_widget_destroy (priv->contact_list_view);
1188                         priv->contact_list_view = NULL;
1189                 }
1190         }
1191 }
1192
1193 static void
1194 chat_remote_contact_changed_cb (EmpathyChat *chat)
1195 {
1196         EmpathyChatPriv *priv = GET_PRIV (chat);
1197
1198         if (priv->remote_contact) {
1199                 g_object_unref (priv->remote_contact);
1200                 priv->remote_contact = NULL;
1201         }
1202
1203         priv->remote_contact = empathy_tp_chat_get_remote_contact (priv->tp_chat);
1204         if (priv->remote_contact) {
1205                 g_object_ref (priv->remote_contact);
1206                 priv->handle_type = TP_HANDLE_TYPE_CONTACT;
1207                 g_free (priv->id);
1208                 priv->id = g_strdup (empathy_contact_get_id (priv->remote_contact));
1209         }
1210         else if (priv->tp_chat) {
1211                 TpChannel *channel;
1212
1213                 channel = empathy_tp_chat_get_channel (priv->tp_chat);
1214                 g_object_get (channel, "handle-type", &priv->handle_type, NULL);
1215                 g_free (priv->id);
1216                 priv->id = g_strdup (empathy_tp_chat_get_id (priv->tp_chat));
1217         }
1218
1219         chat_set_show_contacts (chat, priv->remote_contact == NULL);
1220
1221         g_object_notify (G_OBJECT (chat), "remote-contact");
1222         g_object_notify (G_OBJECT (chat), "id");
1223 }
1224
1225 static void
1226 chat_destroy_cb (EmpathyTpChat *tp_chat,
1227                  EmpathyChat   *chat)
1228 {
1229         EmpathyChatPriv *priv;
1230
1231         priv = GET_PRIV (chat);
1232
1233         if (!priv->tp_chat) {
1234                 return;
1235         }
1236
1237         g_object_unref (priv->tp_chat);
1238         priv->tp_chat = NULL;
1239         g_object_notify (G_OBJECT (chat), "tp-chat");
1240
1241         empathy_chat_view_append_event (chat->view, _("Disconnected"));
1242         gtk_widget_set_sensitive (chat->input_text_view, FALSE);
1243         chat_set_show_contacts (chat, FALSE);
1244 }
1245
1246 static void
1247 chat_create_ui (EmpathyChat *chat)
1248 {
1249         EmpathyChatPriv *priv = GET_PRIV (chat);
1250         GladeXML        *glade;
1251         GList           *list = NULL;
1252         gchar           *filename;
1253         GtkTextBuffer   *buffer;
1254
1255         filename = empathy_file_lookup ("empathy-chat.glade",
1256                                         "libempathy-gtk");
1257         glade = empathy_glade_get_file (filename,
1258                                         "chat_widget",
1259                                         NULL,
1260                                         "chat_widget", &priv->widget,
1261                                         "hpaned", &priv->hpaned,
1262                                         "vbox_left", &priv->vbox_left,
1263                                         "scrolled_window_chat", &priv->scrolled_window_chat,
1264                                         "scrolled_window_input", &priv->scrolled_window_input,
1265                                         "hbox_topic", &priv->hbox_topic,
1266                                         "label_topic", &priv->label_topic,
1267                                         "scrolled_window_contacts", &priv->scrolled_window_contacts,
1268                                         NULL);
1269         g_free (filename);
1270         g_object_unref (glade);
1271
1272         /* Add message view. */
1273         chat->view = empathy_theme_manager_create_view (empathy_theme_manager_get ());
1274         g_signal_connect (chat->view, "focus_in_event",
1275                           G_CALLBACK (chat_text_view_focus_in_event_cb),
1276                           chat);
1277         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat),
1278                            GTK_WIDGET (chat->view));
1279         gtk_widget_show (GTK_WIDGET (chat->view));
1280
1281         /* Add input GtkTextView */
1282         chat->input_text_view = g_object_new (GTK_TYPE_TEXT_VIEW,
1283                                               "pixels-above-lines", 2,
1284                                               "pixels-below-lines", 2,
1285                                               "pixels-inside-wrap", 1,
1286                                               "right-margin", 2,
1287                                               "left-margin", 2,
1288                                               "wrap-mode", GTK_WRAP_WORD_CHAR,
1289                                               NULL);
1290         g_signal_connect (chat->input_text_view, "key-press-event",
1291                           G_CALLBACK (chat_input_key_press_event_cb),
1292                           chat);
1293         g_signal_connect (chat->input_text_view, "size-request",
1294                           G_CALLBACK (chat_input_size_request_cb),
1295                           chat);
1296         g_signal_connect (chat->input_text_view, "realize",
1297                           G_CALLBACK (chat_input_realize_cb),
1298                           chat);
1299         g_signal_connect (chat->input_text_view, "populate-popup",
1300                           G_CALLBACK (chat_input_populate_popup_cb),
1301                           chat);
1302         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1303         g_signal_connect (buffer, "changed",
1304                           G_CALLBACK (chat_input_text_buffer_changed_cb),
1305                           chat);
1306         gtk_text_buffer_create_tag (buffer, "misspelled",
1307                                     "underline", PANGO_UNDERLINE_ERROR,
1308                                     NULL);
1309         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input),
1310                            chat->input_text_view);
1311         gtk_widget_show (chat->input_text_view);
1312
1313         /* Create contact list */
1314         chat_set_show_contacts (chat, priv->remote_contact == NULL);
1315
1316         /* Initialy hide the topic, will be shown if not empty */
1317         gtk_widget_hide (priv->hbox_topic);
1318
1319         /* Set widget focus order */
1320         list = g_list_append (NULL, priv->scrolled_window_input);
1321         gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list);
1322         g_list_free (list);
1323
1324         list = g_list_append (NULL, priv->vbox_left);
1325         list = g_list_append (list, priv->scrolled_window_contacts);
1326         gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list);
1327         g_list_free (list);
1328
1329         list = g_list_append (NULL, priv->hpaned);
1330         list = g_list_append (list, priv->hbox_topic);
1331         gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list);
1332         g_list_free (list);
1333
1334         /* Add the main widget in the chat widget */
1335         gtk_container_add (GTK_CONTAINER (chat), priv->widget);
1336 }
1337
1338 static void
1339 chat_size_request (GtkWidget      *widget,
1340                    GtkRequisition *requisition)
1341 {
1342   GtkBin *bin = GTK_BIN (widget);
1343
1344   requisition->width = GTK_CONTAINER (widget)->border_width * 2;
1345   requisition->height = GTK_CONTAINER (widget)->border_width * 2;
1346
1347   if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
1348     {
1349       GtkRequisition child_requisition;
1350
1351       gtk_widget_size_request (bin->child, &child_requisition);
1352
1353       requisition->width += child_requisition.width;
1354       requisition->height += child_requisition.height;
1355     }
1356 }
1357
1358 static void
1359 chat_size_allocate (GtkWidget     *widget,
1360                     GtkAllocation *allocation)
1361 {
1362   GtkBin *bin = GTK_BIN (widget);
1363   GtkAllocation child_allocation;
1364
1365   widget->allocation = *allocation;
1366
1367   if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
1368     {
1369       child_allocation.x = allocation->x + GTK_CONTAINER (widget)->border_width;
1370       child_allocation.y = allocation->y + GTK_CONTAINER (widget)->border_width;
1371       child_allocation.width = MAX (allocation->width - GTK_CONTAINER (widget)->border_width * 2, 0);
1372       child_allocation.height = MAX (allocation->height - GTK_CONTAINER (widget)->border_width * 2, 0);
1373
1374       gtk_widget_size_allocate (bin->child, &child_allocation);
1375     }
1376 }
1377
1378 static void
1379 chat_finalize (GObject *object)
1380 {
1381         EmpathyChat     *chat;
1382         EmpathyChatPriv *priv;
1383
1384         chat = EMPATHY_CHAT (object);
1385         priv = GET_PRIV (chat);
1386
1387         DEBUG ("Finalized: %p", object);
1388
1389         g_slist_foreach (priv->sent_messages, (GFunc) g_free, NULL);
1390         g_slist_free (priv->sent_messages);
1391
1392         g_list_foreach (priv->compositors, (GFunc) g_object_unref, NULL);
1393         g_list_free (priv->compositors);
1394
1395         chat_composing_remove_timeout (chat);
1396
1397         empathy_disconnect_account_status_changed (priv->token);
1398         g_object_unref (priv->mc);
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_new ();
1530         priv->contacts_width = -1;
1531         priv->sent_messages = NULL;
1532         priv->sent_messages_index = -1;
1533         priv->mc = empathy_mission_control_new ();
1534
1535         priv->token = empathy_connect_to_account_status_changed (priv->mc,
1536                                                    G_CALLBACK (chat_status_changed_cb),
1537                                                    chat, NULL);
1538
1539         /* Block events for some time to avoid having "has come online" or
1540          * "joined" messages. */
1541         priv->block_events_timeout_id =
1542                 g_timeout_add_seconds (1, chat_block_events_timeout_cb, chat);
1543
1544         /* Add nick name completion */
1545         priv->completion = g_completion_new ((GCompletionFunc) empathy_contact_get_name);
1546         g_completion_set_compare (priv->completion, chat_contacts_completion_func);
1547 }
1548
1549 EmpathyChat *
1550 empathy_chat_new (EmpathyTpChat *tp_chat)
1551 {
1552         return g_object_new (EMPATHY_TYPE_CHAT, "tp-chat", tp_chat, NULL);
1553 }
1554
1555 EmpathyTpChat *
1556 empathy_chat_get_tp_chat (EmpathyChat *chat)
1557 {
1558         EmpathyChatPriv *priv = GET_PRIV (chat);
1559
1560         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1561
1562         return priv->tp_chat;
1563 }
1564
1565 void
1566 empathy_chat_set_tp_chat (EmpathyChat   *chat,
1567                           EmpathyTpChat *tp_chat)
1568 {
1569         EmpathyChatPriv *priv = GET_PRIV (chat);
1570
1571         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1572         g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
1573         g_return_if_fail (empathy_tp_chat_is_ready (tp_chat));
1574
1575         if (priv->tp_chat) {
1576                 return;
1577         }
1578
1579         if (priv->account) {
1580                 g_object_unref (priv->account);
1581         }
1582
1583         priv->tp_chat = g_object_ref (tp_chat);
1584         priv->account = g_object_ref (empathy_tp_chat_get_account (tp_chat));
1585
1586         g_signal_connect (tp_chat, "message-received",
1587                           G_CALLBACK (chat_message_received_cb),
1588                           chat);
1589         g_signal_connect (tp_chat, "send-error",
1590                           G_CALLBACK (chat_send_error_cb),
1591                           chat);
1592         g_signal_connect (tp_chat, "chat-state-changed",
1593                           G_CALLBACK (chat_state_changed_cb),
1594                           chat);
1595         g_signal_connect (tp_chat, "property-changed",
1596                           G_CALLBACK (chat_property_changed_cb),
1597                           chat);
1598         g_signal_connect (tp_chat, "members-changed",
1599                           G_CALLBACK (chat_members_changed_cb),
1600                           chat);
1601         g_signal_connect_swapped (tp_chat, "notify::remote-contact",
1602                                   G_CALLBACK (chat_remote_contact_changed_cb),
1603                                   chat);
1604         g_signal_connect (tp_chat, "destroy",
1605                           G_CALLBACK (chat_destroy_cb),
1606                           chat);
1607
1608         chat_remote_contact_changed_cb (chat);
1609
1610         if (chat->input_text_view) {
1611                 gtk_widget_set_sensitive (chat->input_text_view, TRUE);
1612                 if (priv->block_events_timeout_id == 0) {
1613                         empathy_chat_view_append_event (chat->view, _("Connected"));
1614                 }
1615         }
1616
1617         empathy_tp_chat_set_acknowledge (priv->tp_chat, TRUE);
1618         empathy_tp_chat_emit_pendings (priv->tp_chat);
1619
1620         g_object_notify (G_OBJECT (chat), "tp-chat");
1621         g_object_notify (G_OBJECT (chat), "id");
1622         g_object_notify (G_OBJECT (chat), "account");
1623 }
1624
1625 McAccount *
1626 empathy_chat_get_account (EmpathyChat *chat)
1627 {
1628         EmpathyChatPriv *priv = GET_PRIV (chat);
1629
1630         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1631
1632         return priv->account;
1633 }
1634
1635 const gchar *
1636 empathy_chat_get_id (EmpathyChat *chat)
1637 {
1638         EmpathyChatPriv *priv = GET_PRIV (chat);
1639
1640         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1641
1642         return priv->id;
1643 }
1644
1645 const gchar *
1646 empathy_chat_get_name (EmpathyChat *chat)
1647 {
1648         EmpathyChatPriv *priv = GET_PRIV (chat);
1649         const gchar *ret;
1650
1651         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1652
1653         ret = priv->name;
1654         if (!ret && priv->remote_contact) {
1655                 ret = empathy_contact_get_name (priv->remote_contact);
1656         }
1657
1658         if (!ret)
1659                 ret = priv->id;
1660
1661         return ret ? ret : _("Conversation");
1662 }
1663
1664 const gchar *
1665 empathy_chat_get_subject (EmpathyChat *chat)
1666 {
1667         EmpathyChatPriv *priv = GET_PRIV (chat);
1668
1669         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1670
1671         return priv->subject;
1672 }
1673
1674 EmpathyContact *
1675 empathy_chat_get_remote_contact (EmpathyChat *chat)
1676 {
1677         EmpathyChatPriv *priv = GET_PRIV (chat);
1678
1679         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1680
1681         return priv->remote_contact;
1682 }
1683
1684 guint
1685 empathy_chat_get_members_count (EmpathyChat *chat)
1686 {
1687         EmpathyChatPriv *priv = GET_PRIV (chat);
1688
1689         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), 0);
1690
1691         if (priv->tp_chat) {
1692                 return empathy_tp_chat_get_members_count (priv->tp_chat);
1693         }
1694
1695         return 0;
1696 }
1697
1698 GtkWidget *
1699 empathy_chat_get_contact_menu (EmpathyChat *chat)
1700 {
1701         EmpathyChatPriv *priv = GET_PRIV (chat);
1702         GtkWidget       *menu = NULL;
1703
1704         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1705
1706         if (priv->remote_contact) {
1707                 menu = empathy_contact_menu_new (priv->remote_contact,
1708                                                  EMPATHY_CONTACT_FEATURE_CALL |
1709                                                  EMPATHY_CONTACT_FEATURE_LOG |
1710                                                  EMPATHY_CONTACT_FEATURE_INFO);
1711         }
1712         else if (priv->contact_list_view) {
1713                 EmpathyContactListView *view;
1714
1715                 view = EMPATHY_CONTACT_LIST_VIEW (priv->contact_list_view);
1716                 menu = empathy_contact_list_view_get_contact_menu (view);
1717         }
1718
1719         return menu;
1720 }
1721
1722 void
1723 empathy_chat_clear (EmpathyChat *chat)
1724 {
1725         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1726
1727         empathy_chat_view_clear (chat->view);
1728 }
1729
1730 void
1731 empathy_chat_scroll_down (EmpathyChat *chat)
1732 {
1733         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1734
1735         empathy_chat_view_scroll_down (chat->view);
1736 }
1737
1738 void
1739 empathy_chat_cut (EmpathyChat *chat)
1740 {
1741         GtkTextBuffer *buffer;
1742
1743         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1744
1745         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1746         if (gtk_text_buffer_get_has_selection (buffer)) {
1747                 GtkClipboard *clipboard;
1748
1749                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1750
1751                 gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE);
1752         }
1753 }
1754
1755 void
1756 empathy_chat_copy (EmpathyChat *chat)
1757 {
1758         GtkTextBuffer *buffer;
1759
1760         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1761
1762         if (empathy_chat_view_get_has_selection (chat->view)) {
1763                 empathy_chat_view_copy_clipboard (chat->view);
1764                 return;
1765         }
1766
1767         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1768         if (gtk_text_buffer_get_has_selection (buffer)) {
1769                 GtkClipboard *clipboard;
1770
1771                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1772
1773                 gtk_text_buffer_copy_clipboard (buffer, clipboard);
1774         }
1775 }
1776
1777 void
1778 empathy_chat_paste (EmpathyChat *chat)
1779 {
1780         GtkTextBuffer *buffer;
1781         GtkClipboard  *clipboard;
1782
1783         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1784
1785         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1786         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1787
1788         gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE);
1789 }
1790
1791 void
1792 empathy_chat_correct_word (EmpathyChat  *chat,
1793                           GtkTextIter *start,
1794                           GtkTextIter *end,
1795                           const gchar *new_word)
1796 {
1797         GtkTextBuffer *buffer;
1798
1799         g_return_if_fail (chat != NULL);
1800         g_return_if_fail (new_word != NULL);
1801
1802         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1803
1804         gtk_text_buffer_delete (buffer, start, end);
1805         gtk_text_buffer_insert (buffer, start,
1806                                 new_word,
1807                                 -1);
1808 }
1809
1810 gboolean
1811 empathy_chat_is_room (EmpathyChat *chat)
1812 {
1813         EmpathyChatPriv *priv = GET_PRIV (chat);
1814
1815         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
1816
1817         return (priv->handle_type == TP_HANDLE_TYPE_ROOM);
1818 }
1819