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