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 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.h>
  35 #include <gtk/gtk.h>
  36
  37 #include <libempathy/empathy-contact-manager.h>
  38 #include <libempathy/empathy-log-manager.h>
  39 #include <libempathy/empathy-debug.h>
  40 #include <libempathy/empathy-utils.h>
  41 #include <libempathy/empathy-conf.h>
  42 #include <libempathy/empathy-marshal.h>
  43
  44 #include "empathy-chat.h"
  45 #include "empathy-chat-window.h"
  46 #include "empathy-geometry.h"
  47 #include "empathy-preferences.h"
  48 #include "empathy-spell.h"
  49 #include "empathy-spell-dialog.h"
  50 #include "empathy-ui-utils.h"
  51
  52 #define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EMPATHY_TYPE_CHAT, EmpathyChatPriv))
  53
  54 #define DEBUG_DOMAIN "Chat"
  55
  56 #define CHAT_DIR_CREATE_MODE  (S_IRUSR | S_IWUSR | S_IXUSR)
  57 #define CHAT_FILE_CREATE_MODE (S_IRUSR | S_IWUSR)
  58
  59 #define IS_ENTER(v) (v == GDK_Return || v == GDK_ISO_Enter || v == GDK_KP_Enter)
  60
  61 #define MAX_INPUT_HEIGHT 150
  62
  63 #define COMPOSING_STOP_TIMEOUT 5
  64
  65 struct _EmpathyChatPriv {
  66         EmpathyContactManager *manager;
  67         EmpathyLogManager     *log_manager;
  68         EmpathyTpChat         *tp_chat;
  69         EmpathyChatWindow      *window;
  70         guint                  composing_stop_timeout_id;
  71         gboolean               sensitive;
  72         gchar                 *id;
  73         GSList                *sent_messages;
  74         gint                   sent_messages_index;
  75         GList                 *compositors;
  76         guint                  scroll_idle_id;
  77         gboolean               first_tp_chat;
  78         time_t                 last_log_timestamp;
  79         /* Used to automatically shrink a window that has temporarily
  80          * grown due to long input.
  81          */
  82         gint                   padding_height;
  83         gint                   default_window_height;
  84         gint                   last_input_height;
  85         gboolean               vscroll_visible;
  86 };
  87
  88 typedef struct {
  89         EmpathyChat  *chat;
  90         gchar       *word;
  91
  92         GtkTextIter  start;
  93         GtkTextIter  end;
  94 } EmpathyChatSpell;
  95
  96 static void             empathy_chat_class_init           (EmpathyChatClass              *klass);
  97 static void             empathy_chat_init                 (EmpathyChat                   *chat);
  98 static void             chat_finalize                     (GObject                       *object);
  99 static void             chat_destroy_cb                   (EmpathyTpChat                 *tp_chat,
 100                                                            EmpathyChat                   *chat);
 101 static void             chat_send                         (EmpathyChat                   *chat,
 102                                                            const gchar                   *msg);
 103 static void             chat_input_text_view_send         (EmpathyChat                   *chat);
 104 static void             chat_message_received_cb          (EmpathyTpChat                 *tp_chat,
 105                                                            EmpathyMessage                *message,
 106                                                            EmpathyChat                   *chat);
 107 static void             chat_send_error_cb                (EmpathyTpChat                 *tp_chat,
 108                                                            EmpathyMessage                *message,
 109                                                            TelepathyChannelTextSendError  error_code,
 110                                                            EmpathyChat                   *chat);
 111 void                    chat_sent_message_add             (EmpathyChat                   *chat,
 112                                                            const gchar                   *str);
 113 const gchar *           chat_sent_message_get_next        (EmpathyChat                   *chat);
 114 const gchar *           chat_sent_message_get_last        (EmpathyChat                   *chat);
 115 static gboolean         chat_input_key_press_event_cb     (GtkWidget                     *widget,
 116                                                            GdkEventKey                   *event,
 117                                                            EmpathyChat                   *chat);
 118 static void             chat_input_text_buffer_changed_cb (GtkTextBuffer                 *buffer,
 119                                                            EmpathyChat                   *chat);
 120 static gboolean         chat_text_view_focus_in_event_cb  (GtkWidget                     *widget,
 121                                                            GdkEvent                      *event,
 122                                                            EmpathyChat                   *chat);
 123 static void             chat_text_view_scroll_hide_cb     (GtkWidget                     *widget,
 124                                                            EmpathyChat                   *chat);
 125 static void             chat_text_view_size_allocate_cb   (GtkWidget                     *widget,
 126                                                            GtkAllocation                 *allocation,
 127                                                            EmpathyChat                   *chat);
 128 static void             chat_text_view_realize_cb         (GtkWidget                     *widget,
 129                                                            EmpathyChat                   *chat);
 130 static void             chat_text_populate_popup_cb       (GtkTextView                   *view,
 131                                                            GtkMenu                       *menu,
 132                                                            EmpathyChat                   *chat);
 133 static void             chat_text_check_word_spelling_cb  (GtkMenuItem                   *menuitem,
 134                                                            EmpathyChatSpell              *chat_spell);
 135 static EmpathyChatSpell *chat_spell_new                   (EmpathyChat                   *chat,
 136                                                            const gchar                   *word,
 137                                                            GtkTextIter                    start,
 138                                                            GtkTextIter                    end);
 139 static void             chat_spell_free                   (EmpathyChatSpell              *chat_spell);
 140 static void             chat_composing_start              (EmpathyChat                   *chat);
 141 static void             chat_composing_stop               (EmpathyChat                   *chat);
 142 static void             chat_composing_remove_timeout     (EmpathyChat                   *chat);
 143 static gboolean         chat_composing_stop_timeout_cb    (EmpathyChat                   *chat);
 144 static void             chat_state_changed_cb             (EmpathyTpChat                 *tp_chat,
 145                                                            EmpathyContact                *contact,
 146                                                            TelepathyChannelChatState      state,
 147                                                            EmpathyChat                   *chat);
 148 static void             chat_add_logs                     (EmpathyChat                   *chat);
 149 static gboolean         chat_scroll_down_idle_func        (EmpathyChat                   *chat);
 150
 151 enum {
 152         COMPOSING,
 153         NEW_MESSAGE,
 154         NAME_CHANGED,
 155         STATUS_CHANGED,
 156         LAST_SIGNAL
 157 };
 158
 159 static guint signals[LAST_SIGNAL] = { 0 };
 160
 161 G_DEFINE_TYPE (EmpathyChat, empathy_chat, G_TYPE_OBJECT);
 162
 163 static void
 164 empathy_chat_class_init (EmpathyChatClass *klass)
 165 {
 166         GObjectClass *object_class;
 167
 168         object_class = G_OBJECT_CLASS (klass);
 169
 170         object_class->finalize = chat_finalize;
 171
 172         signals[COMPOSING] =
 173                 g_signal_new ("composing",
 174                               G_OBJECT_CLASS_TYPE (object_class),
 175                               G_SIGNAL_RUN_LAST,
 176                               0,
 177                               NULL, NULL,
 178                               g_cclosure_marshal_VOID__BOOLEAN,
 179                               G_TYPE_NONE,
 180                               1, G_TYPE_BOOLEAN);
 181
 182         signals[NEW_MESSAGE] =
 183                 g_signal_new ("new-message",
 184                               G_OBJECT_CLASS_TYPE (object_class),
 185                               G_SIGNAL_RUN_LAST,
 186                               0,
 187                               NULL, NULL,
 188                               empathy_marshal_VOID__OBJECT_BOOLEAN,
 189                               G_TYPE_NONE,
 190                               2, EMPATHY_TYPE_MESSAGE, G_TYPE_BOOLEAN);
 191
 192         signals[NAME_CHANGED] =
 193                 g_signal_new ("name-changed",
 194                               G_OBJECT_CLASS_TYPE (object_class),
 195                               G_SIGNAL_RUN_LAST,
 196                               0,
 197                               NULL, NULL,
 198                               g_cclosure_marshal_VOID__POINTER,
 199                               G_TYPE_NONE,
 200                               1, G_TYPE_POINTER);
 201
 202         signals[STATUS_CHANGED] =
 203                 g_signal_new ("status-changed",
 204                               G_OBJECT_CLASS_TYPE (object_class),
 205                               G_SIGNAL_RUN_LAST,
 206                               0,
 207                               NULL, NULL,
 208                               g_cclosure_marshal_VOID__VOID,
 209                               G_TYPE_NONE,
 210                               0);
 211
 212         g_type_class_add_private (object_class, sizeof (EmpathyChatPriv));
 213 }
 214
 215 static void
 216 empathy_chat_init (EmpathyChat *chat)
 217 {
 218         EmpathyChatPriv *priv;
 219         GtkTextBuffer  *buffer;
 220
 221         chat->view = empathy_chat_view_new ();
 222         chat->input_text_view = gtk_text_view_new ();
 223
 224         chat->is_first_char = TRUE;
 225
 226         g_object_set (chat->input_text_view,
 227                       "pixels-above-lines", 2,
 228                       "pixels-below-lines", 2,
 229                       "pixels-inside-wrap", 1,
 230                       "right-margin", 2,
 231                       "left-margin", 2,
 232                       "wrap-mode", GTK_WRAP_WORD_CHAR,
 233                       NULL);
 234
 235         priv = GET_PRIV (chat);
 236
 237         priv->manager = empathy_contact_manager_new ();
 238         priv->log_manager = empathy_log_manager_new ();
 239         priv->default_window_height = -1;
 240         priv->vscroll_visible = FALSE;
 241         priv->sensitive = TRUE;
 242         priv->sent_messages = NULL;
 243         priv->sent_messages_index = -1;
 244         priv->first_tp_chat = TRUE;
 245
 246         g_signal_connect (chat->input_text_view,
 247                           "key_press_event",
 248                           G_CALLBACK (chat_input_key_press_event_cb),
 249                           chat);
 250
 251         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 252         g_signal_connect (buffer,
 253                           "changed",
 254                           G_CALLBACK (chat_input_text_buffer_changed_cb),
 255                           chat);
 256         g_signal_connect (chat->view,
 257                           "focus_in_event",
 258                           G_CALLBACK (chat_text_view_focus_in_event_cb),
 259                           chat);
 260
 261         g_signal_connect (chat->input_text_view,
 262                           "size_allocate",
 263                           G_CALLBACK (chat_text_view_size_allocate_cb),
 264                           chat);
 265
 266         g_signal_connect (chat->input_text_view,
 267                           "realize",
 268                           G_CALLBACK (chat_text_view_realize_cb),
 269                           chat);
 270
 271         g_signal_connect (GTK_TEXT_VIEW (chat->input_text_view),
 272                           "populate_popup",
 273                           G_CALLBACK (chat_text_populate_popup_cb),
 274                           chat);
 275
 276         /* create misspelt words identification tag */
 277         gtk_text_buffer_create_tag (buffer,
 278                                     "misspelled",
 279                                     "underline", PANGO_UNDERLINE_ERROR,
 280                                     NULL);
 281 }
 282
 283 static void
 284 chat_finalize (GObject *object)
 285 {
 286         EmpathyChat     *chat;
 287         EmpathyChatPriv *priv;
 288
 289         chat = EMPATHY_CHAT (object);
 290         priv = GET_PRIV (chat);
 291
 292         empathy_debug (DEBUG_DOMAIN, "Finalized: %p", object);
 293
 294         g_slist_foreach (priv->sent_messages, (GFunc) g_free, NULL);
 295         g_slist_free (priv->sent_messages);
 296
 297         g_list_foreach (priv->compositors, (GFunc) g_object_unref, NULL);
 298         g_list_free (priv->compositors);
 299
 300         chat_composing_remove_timeout (chat);
 301         g_object_unref (chat->account);
 302         g_object_unref (priv->manager);
 303         g_object_unref (priv->log_manager);
 304
 305         if (priv->tp_chat) {
 306                 g_object_unref (priv->tp_chat);
 307         }
 308
 309         if (priv->scroll_idle_id) {
 310                 g_source_remove (priv->scroll_idle_id);
 311         }
 312
 313         g_free (priv->id);
 314
 315         G_OBJECT_CLASS (empathy_chat_parent_class)->finalize (object);
 316 }
 317
 318 static void
 319 chat_destroy_cb (EmpathyTpChat *tp_chat,
 320                  EmpathyChat    *chat)
 321 {
 322         EmpathyChatPriv *priv;
 323
 324         priv = GET_PRIV (chat);
 325
 326         if (priv->tp_chat) {
 327                 g_object_unref (priv->tp_chat);
 328                 priv->tp_chat = NULL;
 329         }
 330         priv->sensitive = FALSE;
 331
 332         empathy_chat_view_append_event (chat->view, _("Disconnected"));
 333         gtk_widget_set_sensitive (chat->input_text_view, FALSE);
 334
 335         if (EMPATHY_CHAT_GET_CLASS (chat)->set_tp_chat) {
 336                 EMPATHY_CHAT_GET_CLASS (chat)->set_tp_chat (chat, NULL);
 337         }
 338 }
 339
 340 static void
 341 chat_send (EmpathyChat  *chat,
 342            const gchar *msg)
 343 {
 344         EmpathyChatPriv *priv;
 345         EmpathyMessage  *message;
 346
 347         priv = GET_PRIV (chat);
 348
 349         if (G_STR_EMPTY (msg)) {
 350                 return;
 351         }
 352
 353         chat_sent_message_add (chat, msg);
 354
 355         if (g_str_has_prefix (msg, "/clear")) {
 356                 empathy_chat_view_clear (chat->view);
 357                 return;
 358         }
 359
 360         /* FIXME: add here something to let group/privrate chat handle
 361          *        some special messages */
 362
 363         message = empathy_message_new (msg);
 364
 365         empathy_tp_chat_send (priv->tp_chat, message);
 366
 367         g_object_unref (message);
 368 }
 369
 370 static void
 371 chat_input_text_view_send (EmpathyChat *chat)
 372 {
 373         EmpathyChatPriv *priv;
 374         GtkTextBuffer  *buffer;
 375         GtkTextIter     start, end;
 376         gchar          *msg;
 377
 378         priv = GET_PRIV (chat);
 379
 380         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 381
 382         gtk_text_buffer_get_bounds (buffer, &start, &end);
 383         msg = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 384
 385         /* clear the input field */
 386         gtk_text_buffer_set_text (buffer, "", -1);
 387
 388         chat_send (chat, msg);
 389
 390         g_free (msg);
 391
 392         chat->is_first_char = TRUE;
 393 }
 394
 395 static void
 396 chat_message_received_cb (EmpathyTpChat  *tp_chat,
 397                           EmpathyMessage *message,
 398                           EmpathyChat    *chat)
 399 {
 400         EmpathyChatPriv *priv;
 401         EmpathyContact  *sender;
 402         time_t           timestamp;
 403
 404         priv = GET_PRIV (chat);
 405
 406         timestamp = empathy_message_get_timestamp (message);
 407         if (timestamp <= priv->last_log_timestamp) {
 408                 /* Do not take care of messages anterior of the last
 409                  * logged message. Some Jabber chatroom sends messages
 410                  * received before we joined the room, this avoid
 411                  * displaying those messages if we already logged them
 412                  * last time we joined that room. */
 413                 empathy_debug (DEBUG_DOMAIN, "Skipping message because it is "
 414                                "anterior of last logged message.");
 415                 return;
 416         }
 417
 418         sender = empathy_message_get_sender (message);
 419         empathy_debug (DEBUG_DOMAIN, "Appending message ('%s')",
 420                       empathy_contact_get_name (sender));
 421
 422         empathy_log_manager_add_message (priv->log_manager,
 423                                          empathy_chat_get_id (chat),
 424                                          empathy_chat_is_group_chat (chat),
 425                                          message);
 426
 427         empathy_chat_view_append_message (chat->view, message);
 428
 429         if (empathy_chat_should_play_sound (chat)) {
 430                 // FIXME: empathy_sound_play (EMPATHY_SOUND_CHAT);
 431         }
 432
 433         /* We received a message so the contact is no more composing */
 434         chat_state_changed_cb (tp_chat, sender,
 435                                TP_CHANNEL_CHAT_STATE_ACTIVE,
 436                                chat);
 437
 438         g_signal_emit (chat, signals[NEW_MESSAGE], 0, message, FALSE);
 439 }
 440
 441 static void
 442 chat_send_error_cb (EmpathyTpChat                 *tp_chat,
 443                     EmpathyMessage                *message,
 444                     TelepathyChannelTextSendError  error_code,
 445                     EmpathyChat                   *chat)
 446 {
 447         const gchar *error;
 448         gchar       *str;
 449
 450         switch (error_code) {
 451         case TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE:
 452                 error = _("offline");
 453                 break;
 454         case TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT:
 455                 error = _("invalid contact");
 456                 break;
 457         case TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED:
 458                 error = _("permission denied");
 459                 break;
 460         case TP_CHANNEL_TEXT_SEND_ERROR_TOO_LONG:
 461                 error = _("too long message");
 462                 break;
 463         case TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED:
 464                 error = _("not implemented");
 465                 break;
 466         default:
 467                 error = _("unknown");
 468                 break;
 469         }
 470
 471         str = g_strdup_printf (_("Error sending message '%s': %s"),
 472                                empathy_message_get_body (message),
 473                                error);
 474         empathy_chat_view_append_event (chat->view, str);
 475         g_free (str);
 476 }
 477
 478 void
 479 chat_sent_message_add (EmpathyChat  *chat,
 480                        const gchar *str)
 481 {
 482         EmpathyChatPriv *priv;
 483         GSList         *list;
 484         GSList         *item;
 485
 486         priv = GET_PRIV (chat);
 487
 488         /* Save the sent message in our repeat buffer */
 489         list = priv->sent_messages;
 490
 491         /* Remove any other occurances of this msg */
 492         while ((item = g_slist_find_custom (list, str, (GCompareFunc) strcmp)) != NULL) {
 493                 list = g_slist_remove_link (list, item);
 494                 g_free (item->data);
 495                 g_slist_free1 (item);
 496         }
 497
 498         /* Trim the list to the last 10 items */
 499         while (g_slist_length (list) > 10) {
 500                 item = g_slist_last (list);
 501                 if (item) {
 502                         list = g_slist_remove_link (list, item);
 503                         g_free (item->data);
 504                         g_slist_free1 (item);
 505                 }
 506         }
 507
 508         /* Add new message */
 509         list = g_slist_prepend (list, g_strdup (str));
 510
 511         /* Set list and reset the index */
 512         priv->sent_messages = list;
 513         priv->sent_messages_index = -1;
 514 }
 515
 516 const gchar *
 517 chat_sent_message_get_next (EmpathyChat *chat)
 518 {
 519         EmpathyChatPriv *priv;
 520         gint            max;
 521
 522         priv = GET_PRIV (chat);
 523
 524         if (!priv->sent_messages) {
 525                 empathy_debug (DEBUG_DOMAIN,
 526                               "No sent messages, next message is NULL");
 527                 return NULL;
 528         }
 529
 530         max = g_slist_length (priv->sent_messages) - 1;
 531
 532         if (priv->sent_messages_index < max) {
 533                 priv->sent_messages_index++;
 534         }
 535
 536         empathy_debug (DEBUG_DOMAIN,
 537                       "Returning next message index:%d",
 538                       priv->sent_messages_index);
 539
 540         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 541 }
 542
 543 const gchar *
 544 chat_sent_message_get_last (EmpathyChat *chat)
 545 {
 546         EmpathyChatPriv *priv;
 547
 548         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
 549
 550         priv = GET_PRIV (chat);
 551
 552         if (!priv->sent_messages) {
 553                 empathy_debug (DEBUG_DOMAIN,
 554                               "No sent messages, last message is NULL");
 555                 return NULL;
 556         }
 557
 558         if (priv->sent_messages_index >= 0) {
 559                 priv->sent_messages_index--;
 560         }
 561
 562         empathy_debug (DEBUG_DOMAIN,
 563                       "Returning last message index:%d",
 564                       priv->sent_messages_index);
 565
 566         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 567 }
 568
 569 static gboolean
 570 chat_input_key_press_event_cb (GtkWidget   *widget,
 571                                GdkEventKey *event,
 572                                EmpathyChat  *chat)
 573 {
 574         EmpathyChatPriv *priv;
 575         GtkAdjustment  *adj;
 576         gdouble         val;
 577         GtkWidget      *text_view_sw;
 578
 579         priv = GET_PRIV (chat);
 580
 581         if (event->keyval == GDK_Tab && !(event->state & GDK_CONTROL_MASK)) {
 582                 return TRUE;
 583         }
 584
 585         /* Catch ctrl+up/down so we can traverse messages we sent */
 586         if ((event->state & GDK_CONTROL_MASK) &&
 587             (event->keyval == GDK_Up ||
 588              event->keyval == GDK_Down)) {
 589                 GtkTextBuffer *buffer;
 590                 const gchar   *str;
 591
 592                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 593
 594                 if (event->keyval == GDK_Up) {
 595                         str = chat_sent_message_get_next (chat);
 596                 } else {
 597                         str = chat_sent_message_get_last (chat);
 598                 }
 599
 600                 g_signal_handlers_block_by_func (buffer,
 601                                                  chat_input_text_buffer_changed_cb,
 602                                                  chat);
 603                 gtk_text_buffer_set_text (buffer, str ? str : "", -1);
 604                 g_signal_handlers_unblock_by_func (buffer,
 605                                                    chat_input_text_buffer_changed_cb,
 606                                                    chat);
 607
 608                 return TRUE;
 609         }
 610
 611         /* Catch enter but not ctrl/shift-enter */
 612         if (IS_ENTER (event->keyval) && !(event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
 613                 GtkTextView *view;
 614
 615                 /* This is to make sure that kinput2 gets the enter. And if
 616                  * it's handled there we shouldn't send on it. This is because
 617                  * kinput2 uses Enter to commit letters. See:
 618                  * http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104299
 619                  */
 620
 621                 view = GTK_TEXT_VIEW (chat->input_text_view);
 622                 if (gtk_im_context_filter_keypress (view->im_context, event)) {
 623                         GTK_TEXT_VIEW (chat->input_text_view)->need_im_reset = TRUE;
 624                         return TRUE;
 625                 }
 626
 627                 chat_input_text_view_send (chat);
 628                 return TRUE;
 629         }
 630
 631         text_view_sw = gtk_widget_get_parent (GTK_WIDGET (chat->view));
 632
 633         if (IS_ENTER (event->keyval) && (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
 634                 /* Newline for shift-enter. */
 635                 return FALSE;
 636         }
 637         else if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 638                  event->keyval == GDK_Page_Up) {
 639                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 640                 gtk_adjustment_set_value (adj, adj->value - adj->page_size);
 641
 642                 return TRUE;
 643         }
 644         else if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 645                  event->keyval == GDK_Page_Down) {
 646                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 647                 val = MIN (adj->value + adj->page_size, adj->upper - adj->page_size);
 648                 gtk_adjustment_set_value (adj, val);
 649
 650                 return TRUE;
 651         }
 652
 653         return FALSE;
 654 }
 655
 656 static gboolean
 657 chat_text_view_focus_in_event_cb (GtkWidget  *widget,
 658                                   GdkEvent   *event,
 659                                   EmpathyChat *chat)
 660 {
 661         gtk_widget_grab_focus (chat->input_text_view);
 662
 663         return TRUE;
 664 }
 665
 666 static void
 667 chat_input_text_buffer_changed_cb (GtkTextBuffer *buffer,
 668                                    EmpathyChat    *chat)
 669 {
 670         EmpathyChatPriv *priv;
 671         GtkTextIter     start, end;
 672         gchar          *str;
 673         gboolean        spell_checker = FALSE;
 674
 675         priv = GET_PRIV (chat);
 676
 677         if (gtk_text_buffer_get_char_count (buffer) == 0) {
 678                 chat_composing_stop (chat);
 679         } else {
 680                 chat_composing_start (chat);
 681         }
 682
 683         empathy_conf_get_bool (empathy_conf_get (),
 684                               EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED,
 685                               &spell_checker);
 686
 687         if (chat->is_first_char) {
 688                 GtkRequisition  req;
 689                 gint            window_height;
 690                 GtkWidget      *dialog;
 691                 GtkAllocation  *allocation;
 692
 693                 /* Save the window's size */
 694                 dialog = empathy_chat_window_get_dialog (priv->window);
 695                 gtk_window_get_size (GTK_WINDOW (dialog),
 696                                      NULL, &window_height);
 697
 698                 gtk_widget_size_request (chat->input_text_view, &req);
 699
 700                 allocation = &GTK_WIDGET (chat->view)->allocation;
 701
 702                 priv->default_window_height = window_height;
 703                 priv->last_input_height = req.height;
 704                 priv->padding_height = window_height - req.height - allocation->height;
 705
 706                 chat->is_first_char = FALSE;
 707         }
 708
 709         gtk_text_buffer_get_start_iter (buffer, &start);
 710
 711         if (!spell_checker) {
 712                 gtk_text_buffer_get_end_iter (buffer, &end);
 713                 gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 714                 return;
 715         }
 716
 717         if (!empathy_spell_supported ()) {
 718                 return;
 719         }
 720
 721         /* NOTE: this is really inefficient, we shouldn't have to
 722            reiterate the whole buffer each time and check each work
 723            every time. */
 724         while (TRUE) {
 725                 gboolean correct = FALSE;
 726
 727                 /* if at start */
 728                 if (gtk_text_iter_is_start (&start)) {
 729                         end = start;
 730
 731                         if (!gtk_text_iter_forward_word_end (&end)) {
 732                                 /* no whole word yet */
 733                                 break;
 734                         }
 735                 } else {
 736                         if (!gtk_text_iter_forward_word_end (&end)) {
 737                                 /* must be the end of the buffer */
 738                                 break;
 739                         }
 740
 741                         start = end;
 742                         gtk_text_iter_backward_word_start (&start);
 743                 }
 744
 745                 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 746
 747                 /* spell check string */
 748                 if (!empathy_chat_get_is_command (str)) {
 749                         correct = empathy_spell_check (str);
 750                 } else {
 751                         correct = TRUE;
 752                 }
 753
 754                 if (!correct) {
 755                         gtk_text_buffer_apply_tag_by_name (buffer, "misspelled", &start, &end);
 756                 } else {
 757                         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 758                 }
 759
 760                 g_free (str);
 761
 762                 /* set start iter to the end iters position */
 763                 start = end;
 764         }
 765 }
 766
 767 typedef struct {
 768         GtkWidget *window;
 769         gint       width;
 770         gint       height;
 771 } ChangeSizeData;
 772
 773 static gboolean
 774 chat_change_size_in_idle_cb (ChangeSizeData *data)
 775 {
 776         gtk_window_resize (GTK_WINDOW (data->window),
 777                            data->width, data->height);
 778
 779         return FALSE;
 780 }
 781
 782 static void
 783 chat_text_view_scroll_hide_cb (GtkWidget  *widget,
 784                                EmpathyChat *chat)
 785 {
 786         EmpathyChatPriv *priv;
 787         GtkWidget      *sw;
 788
 789         priv = GET_PRIV (chat);
 790
 791         priv->vscroll_visible = FALSE;
 792         g_signal_handlers_disconnect_by_func (widget, chat_text_view_scroll_hide_cb, chat);
 793
 794         sw = gtk_widget_get_parent (chat->input_text_view);
 795         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 796                                         GTK_POLICY_NEVER,
 797                                         GTK_POLICY_NEVER);
 798         g_object_set (sw, "height-request", -1, NULL);
 799 }
 800
 801 static void
 802 chat_text_view_size_allocate_cb (GtkWidget     *widget,
 803                                  GtkAllocation *allocation,
 804                                  EmpathyChat    *chat)
 805 {
 806         EmpathyChatPriv *priv;
 807         gint            width;
 808         GtkWidget      *dialog;
 809         ChangeSizeData *data;
 810         gint            window_height;
 811         gint            new_height;
 812         GtkAllocation  *view_allocation;
 813         gint            current_height;
 814         gint            diff;
 815         GtkWidget      *sw;
 816
 817         priv = GET_PRIV (chat);
 818
 819         if (priv->default_window_height <= 0) {
 820                 return;
 821         }
 822
 823         sw = gtk_widget_get_parent (widget);
 824         if (sw->allocation.height >= MAX_INPUT_HEIGHT && !priv->vscroll_visible) {
 825                 GtkWidget *vscroll;
 826
 827                 priv->vscroll_visible = TRUE;
 828                 gtk_widget_set_size_request (sw, sw->allocation.width, MAX_INPUT_HEIGHT);
 829                 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 830                                                 GTK_POLICY_NEVER,
 831                                                 GTK_POLICY_AUTOMATIC);
 832                 vscroll = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (sw));
 833                 g_signal_connect (vscroll, "hide",
 834                                   G_CALLBACK (chat_text_view_scroll_hide_cb),
 835                                   chat);
 836         }
 837
 838         if (priv->last_input_height <= allocation->height) {
 839                 priv->last_input_height = allocation->height;
 840                 return;
 841         }
 842
 843         diff = priv->last_input_height - allocation->height;
 844         priv->last_input_height = allocation->height;
 845
 846         view_allocation = &GTK_WIDGET (chat->view)->allocation;
 847
 848         dialog = empathy_chat_window_get_dialog (priv->window);
 849         gtk_window_get_size (GTK_WINDOW (dialog), NULL, &current_height);
 850
 851         new_height = view_allocation->height + priv->padding_height + allocation->height - diff;
 852
 853         if (new_height <= priv->default_window_height) {
 854                 window_height = priv->default_window_height;
 855         } else {
 856                 window_height = new_height;
 857         }
 858
 859         if (current_height <= window_height) {
 860                 return;
 861         }
 862
 863         /* Restore the window's size */
 864         gtk_window_get_size (GTK_WINDOW (dialog), &width, NULL);
 865
 866         data = g_new0 (ChangeSizeData, 1);
 867         data->window = dialog;
 868         data->width  = width;
 869         data->height = window_height;
 870
 871         g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
 872                          (GSourceFunc) chat_change_size_in_idle_cb,
 873                          data, g_free);
 874 }
 875
 876 static void
 877 chat_text_view_realize_cb (GtkWidget  *widget,
 878                            EmpathyChat *chat)
 879 {
 880         empathy_debug (DEBUG_DOMAIN, "Setting focus to the input text view");
 881         gtk_widget_grab_focus (widget);
 882 }
 883
 884 static void
 885 chat_insert_smiley_activate_cb (GtkWidget   *menuitem,
 886                                 EmpathyChat *chat)
 887 {
 888         GtkTextBuffer *buffer;
 889         GtkTextIter    iter;
 890         const gchar   *smiley;
 891
 892         smiley = g_object_get_data (G_OBJECT (menuitem), "smiley_text");
 893
 894         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 895
 896         gtk_text_buffer_get_end_iter (buffer, &iter);
 897         gtk_text_buffer_insert (buffer, &iter, smiley, -1);
 898
 899         gtk_text_buffer_get_end_iter (buffer, &iter);
 900         gtk_text_buffer_insert (buffer, &iter, " ", -1);
 901 }
 902
 903 static void
 904 chat_text_populate_popup_cb (GtkTextView *view,
 905                              GtkMenu     *menu,
 906                              EmpathyChat  *chat)
 907 {
 908         EmpathyChatPriv  *priv;
 909         GtkTextBuffer   *buffer;
 910         GtkTextTagTable *table;
 911         GtkTextTag      *tag;
 912         gint             x, y;
 913         GtkTextIter      iter, start, end;
 914         GtkWidget       *item;
 915         gchar           *str = NULL;
 916         EmpathyChatSpell *chat_spell;
 917         GtkWidget       *smiley_menu;
 918
 919         priv = GET_PRIV (chat);
 920
 921         /* Add the emoticon menu. */
 922         item = gtk_separator_menu_item_new ();
 923         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 924         gtk_widget_show (item);
 925
 926         item = gtk_menu_item_new_with_mnemonic (_("Insert Smiley"));
 927         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 928         gtk_widget_show (item);
 929
 930         smiley_menu = empathy_chat_view_get_smiley_menu (
 931                 G_CALLBACK (chat_insert_smiley_activate_cb),
 932                 chat);
 933         gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu);
 934
 935         /* Add the spell check menu item. */
 936         buffer = gtk_text_view_get_buffer (view);
 937         table = gtk_text_buffer_get_tag_table (buffer);
 938
 939         tag = gtk_text_tag_table_lookup (table, "misspelled");
 940
 941         gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
 942
 943         gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
 944                                                GTK_TEXT_WINDOW_WIDGET,
 945                                                x, y,
 946                                                &x, &y);
 947
 948         gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y);
 949
 950         start = end = iter;
 951
 952         if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
 953             gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
 954
 955                 str = gtk_text_buffer_get_text (buffer,
 956                                                 &start, &end, FALSE);
 957         }
 958
 959         if (G_STR_EMPTY (str)) {
 960                 return;
 961         }
 962
 963         chat_spell = chat_spell_new (chat, str, start, end);
 964
 965         g_object_set_data_full (G_OBJECT (menu),
 966                                 "chat_spell", chat_spell,
 967                                 (GDestroyNotify) chat_spell_free);
 968
 969         item = gtk_separator_menu_item_new ();
 970         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 971         gtk_widget_show (item);
 972
 973         item = gtk_menu_item_new_with_mnemonic (_("_Check Word Spelling..."));
 974         g_signal_connect (item,
 975                           "activate",
 976                           G_CALLBACK (chat_text_check_word_spelling_cb),
 977                           chat_spell);
 978         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 979         gtk_widget_show (item);
 980 }
 981
 982 static void
 983 chat_text_check_word_spelling_cb (GtkMenuItem     *menuitem,
 984                                   EmpathyChatSpell *chat_spell)
 985 {
 986         empathy_spell_dialog_show (chat_spell->chat,
 987                                   chat_spell->start,
 988                                   chat_spell->end,
 989                                   chat_spell->word);
 990 }
 991
 992 static EmpathyChatSpell *
 993 chat_spell_new (EmpathyChat  *chat,
 994                 const gchar *word,
 995                 GtkTextIter  start,
 996                 GtkTextIter  end)
 997 {
 998         EmpathyChatSpell *chat_spell;
 999
1000         chat_spell = g_new0 (EmpathyChatSpell, 1);
1001
1002         chat_spell->chat = g_object_ref (chat);
1003         chat_spell->word = g_strdup (word);
1004         chat_spell->start = start;
1005         chat_spell->end = end;
1006
1007         return chat_spell;
1008 }
1009
1010 static void
1011 chat_spell_free (EmpathyChatSpell *chat_spell)
1012 {
1013         g_object_unref (chat_spell->chat);
1014         g_free (chat_spell->word);
1015         g_free (chat_spell);
1016 }
1017
1018 static void
1019 chat_composing_start (EmpathyChat *chat)
1020 {
1021         EmpathyChatPriv *priv;
1022
1023         priv = GET_PRIV (chat);
1024
1025         if (priv->composing_stop_timeout_id) {
1026                 /* Just restart the timeout */
1027                 chat_composing_remove_timeout (chat);
1028         } else {
1029                 empathy_tp_chat_set_state (priv->tp_chat,
1030                                            TP_CHANNEL_CHAT_STATE_COMPOSING);
1031         }
1032
1033         priv->composing_stop_timeout_id = g_timeout_add_seconds (
1034                 COMPOSING_STOP_TIMEOUT,
1035                 (GSourceFunc) chat_composing_stop_timeout_cb,
1036                 chat);
1037 }
1038
1039 static void
1040 chat_composing_stop (EmpathyChat *chat)
1041 {
1042         EmpathyChatPriv *priv;
1043
1044         priv = GET_PRIV (chat);
1045
1046         chat_composing_remove_timeout (chat);
1047         empathy_tp_chat_set_state (priv->tp_chat,
1048                                    TP_CHANNEL_CHAT_STATE_ACTIVE);
1049 }
1050
1051 static void
1052 chat_composing_remove_timeout (EmpathyChat *chat)
1053 {
1054         EmpathyChatPriv *priv;
1055
1056         priv = GET_PRIV (chat);
1057
1058         if (priv->composing_stop_timeout_id) {
1059                 g_source_remove (priv->composing_stop_timeout_id);
1060                 priv->composing_stop_timeout_id = 0;
1061         }
1062 }
1063
1064 static gboolean
1065 chat_composing_stop_timeout_cb (EmpathyChat *chat)
1066 {
1067         EmpathyChatPriv *priv;
1068
1069         priv = GET_PRIV (chat);
1070
1071         priv->composing_stop_timeout_id = 0;
1072         empathy_tp_chat_set_state (priv->tp_chat,
1073                                    TP_CHANNEL_CHAT_STATE_PAUSED);
1074
1075         return FALSE;
1076 }
1077
1078 static void
1079 chat_state_changed_cb (EmpathyTpChat             *tp_chat,
1080                        EmpathyContact             *contact,
1081                        TelepathyChannelChatState  state,
1082                        EmpathyChat                *chat)
1083 {
1084         EmpathyChatPriv *priv;
1085         GList          *l;
1086         gboolean        was_composing;
1087
1088         priv = GET_PRIV (chat);
1089
1090         if (empathy_contact_is_user (contact)) {
1091                 /* We don't care about our own chat state */
1092                 return;
1093         }
1094
1095         was_composing = (priv->compositors != NULL);
1096
1097         /* Find the contact in the list. After that l is the list elem or NULL */
1098         for (l = priv->compositors; l; l = l->next) {
1099                 if (empathy_contact_equal (contact, l->data)) {
1100                         break;
1101                 }
1102         }
1103
1104         switch (state) {
1105         case TP_CHANNEL_CHAT_STATE_GONE:
1106         case TP_CHANNEL_CHAT_STATE_INACTIVE:
1107         case TP_CHANNEL_CHAT_STATE_PAUSED:
1108         case TP_CHANNEL_CHAT_STATE_ACTIVE:
1109                 /* Contact is not composing */
1110                 if (l) {
1111                         priv->compositors = g_list_remove_link (priv->compositors, l);
1112                         g_object_unref (l->data);
1113                         g_list_free1 (l);
1114                 }
1115                 break;
1116         case TP_CHANNEL_CHAT_STATE_COMPOSING:
1117                 /* Contact is composing */
1118                 if (!l) {
1119                         priv->compositors = g_list_prepend (priv->compositors,
1120                                                             g_object_ref (contact));
1121                 }
1122                 break;
1123         default:
1124                 g_assert_not_reached ();
1125         }
1126
1127         empathy_debug (DEBUG_DOMAIN, "Was composing: %s now composing: %s",
1128                       was_composing ? "yes" : "no",
1129                       priv->compositors ? "yes" : "no");
1130
1131         if ((was_composing && !priv->compositors) ||
1132             (!was_composing && priv->compositors)) {
1133                 /* Composing state changed */
1134                 g_signal_emit (chat, signals[COMPOSING], 0,
1135                                priv->compositors != NULL);
1136         }
1137 }
1138
1139 static void
1140 chat_add_logs (EmpathyChat *chat)
1141 {
1142         EmpathyChatPriv *priv;
1143         GList          *messages, *l;
1144         guint           num_messages;
1145         guint           i;
1146
1147         priv = GET_PRIV (chat);
1148
1149         /* Turn off scrolling temporarily */
1150         empathy_chat_view_scroll (chat->view, FALSE);
1151
1152         /* Add messages from last conversation */
1153         messages = empathy_log_manager_get_last_messages (priv->log_manager,
1154                                                           chat->account,
1155                                                           empathy_chat_get_id (chat),
1156                                                           empathy_chat_is_group_chat (chat));
1157         num_messages  = g_list_length (messages);
1158
1159         for (l = messages, i = 0; l; l = l->next, i++) {
1160                 EmpathyMessage *message;
1161
1162                 message = l->data;
1163
1164                 /* Only add 10 last messages */
1165                 if (num_messages - i > 10) {
1166                         g_object_unref (message);
1167                         continue;
1168                 }
1169
1170                 priv->last_log_timestamp = empathy_message_get_timestamp (message);
1171                 empathy_chat_view_append_message (chat->view, message);
1172
1173                 g_object_unref (message);
1174         }
1175         g_list_free (messages);
1176
1177         /* Turn back on scrolling */
1178         empathy_chat_view_scroll (chat->view, TRUE);
1179
1180         /* Scroll to the most recent messages, we reference the chat
1181          * for the duration of the scroll func.
1182          */
1183         priv->scroll_idle_id = g_idle_add ((GSourceFunc) chat_scroll_down_idle_func,
1184                                            g_object_ref (chat));
1185 }
1186
1187 /* Scroll down after the back-log has been received. */
1188 static gboolean
1189 chat_scroll_down_idle_func (EmpathyChat *chat)
1190 {
1191         EmpathyChatPriv *priv;
1192
1193         priv = GET_PRIV (chat);
1194
1195         empathy_chat_scroll_down (chat);
1196         g_object_unref (chat);
1197
1198         priv->scroll_idle_id = 0;
1199
1200         return FALSE;
1201 }
1202
1203 gboolean
1204 empathy_chat_get_is_command (const gchar *str)
1205 {
1206         g_return_val_if_fail (str != NULL, FALSE);
1207
1208         if (str[0] != '/') {
1209                 return FALSE;
1210         }
1211
1212         if (g_str_has_prefix (str, "/me")) {
1213                 return TRUE;
1214         }
1215         else if (g_str_has_prefix (str, "/nick")) {
1216                 return TRUE;
1217         }
1218         else if (g_str_has_prefix (str, "/topic")) {
1219                 return TRUE;
1220         }
1221
1222         return FALSE;
1223 }
1224
1225 void
1226 empathy_chat_correct_word (EmpathyChat  *chat,
1227                           GtkTextIter  start,
1228                           GtkTextIter  end,
1229                           const gchar *new_word)
1230 {
1231         GtkTextBuffer *buffer;
1232
1233         g_return_if_fail (chat != NULL);
1234         g_return_if_fail (new_word != NULL);
1235
1236         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1237
1238         gtk_text_buffer_delete (buffer, &start, &end);
1239         gtk_text_buffer_insert (buffer, &start,
1240                                 new_word,
1241                                 -1);
1242 }
1243
1244 const gchar *
1245 empathy_chat_get_name (EmpathyChat *chat)
1246 {
1247         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1248
1249         if (EMPATHY_CHAT_GET_CLASS (chat)->get_name) {
1250                 return EMPATHY_CHAT_GET_CLASS (chat)->get_name (chat);
1251         }
1252
1253         return NULL;
1254 }
1255
1256 gchar *
1257 empathy_chat_get_tooltip (EmpathyChat *chat)
1258 {
1259         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1260
1261         if (EMPATHY_CHAT_GET_CLASS (chat)->get_tooltip) {
1262                 return EMPATHY_CHAT_GET_CLASS (chat)->get_tooltip (chat);
1263         }
1264
1265         return NULL;
1266 }
1267
1268 const gchar *
1269 empathy_chat_get_status_icon_name (EmpathyChat *chat)
1270 {
1271         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1272
1273         if (EMPATHY_CHAT_GET_CLASS (chat)->get_status_icon_name) {
1274                 return EMPATHY_CHAT_GET_CLASS (chat)->get_status_icon_name (chat);
1275         }
1276
1277         return NULL;
1278 }
1279
1280 GtkWidget *
1281 empathy_chat_get_widget (EmpathyChat *chat)
1282 {
1283         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1284
1285         if (EMPATHY_CHAT_GET_CLASS (chat)->get_widget) {
1286                 return EMPATHY_CHAT_GET_CLASS (chat)->get_widget (chat);
1287         }
1288
1289         return NULL;
1290 }
1291
1292 gboolean
1293 empathy_chat_is_group_chat (EmpathyChat *chat)
1294 {
1295         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
1296
1297         if (EMPATHY_CHAT_GET_CLASS (chat)->is_group_chat) {
1298                 return EMPATHY_CHAT_GET_CLASS (chat)->is_group_chat (chat);
1299         }
1300
1301         return FALSE;
1302 }
1303
1304 gboolean
1305 empathy_chat_is_connected (EmpathyChat *chat)
1306 {
1307         EmpathyChatPriv *priv;
1308
1309         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
1310
1311         priv = GET_PRIV (chat);
1312
1313         return (priv->tp_chat != NULL);
1314 }
1315
1316 void
1317 empathy_chat_save_geometry (EmpathyChat *chat,
1318                            gint        x,
1319                            gint        y,
1320                            gint        w,
1321                            gint        h)
1322 {
1323         empathy_geometry_save (empathy_chat_get_id (chat), x, y, w, h);
1324 }
1325
1326 void
1327 empathy_chat_load_geometry (EmpathyChat *chat,
1328                            gint       *x,
1329                            gint       *y,
1330                            gint       *w,
1331                            gint       *h)
1332 {
1333         empathy_geometry_load (empathy_chat_get_id (chat), x, y, w, h);
1334 }
1335
1336 void
1337 empathy_chat_set_tp_chat (EmpathyChat   *chat,
1338                           EmpathyTpChat *tp_chat)
1339 {
1340         EmpathyChatPriv *priv;
1341         GList           *messages, *l;
1342
1343         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1344         g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
1345
1346         priv = GET_PRIV (chat);
1347
1348         if (tp_chat == priv->tp_chat) {
1349                 return;
1350         }
1351
1352         if (priv->tp_chat) {
1353                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1354                                                       chat_message_received_cb,
1355                                                       chat);
1356                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1357                                                       chat_send_error_cb,
1358                                                       chat);
1359                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1360                                                       chat_destroy_cb,
1361                                                       chat);
1362                 g_object_unref (priv->tp_chat);
1363         }
1364
1365         g_free (priv->id);
1366         priv->tp_chat = g_object_ref (tp_chat);
1367         priv->id = g_strdup (empathy_tp_chat_get_id (tp_chat));
1368
1369         if (priv->first_tp_chat) {
1370                 chat_add_logs (chat);
1371                 priv->first_tp_chat = FALSE;
1372         }
1373
1374         g_signal_connect (tp_chat, "message-received",
1375                           G_CALLBACK (chat_message_received_cb),
1376                           chat);
1377         g_signal_connect (tp_chat, "send-error",
1378                           G_CALLBACK (chat_send_error_cb),
1379                           chat);
1380         g_signal_connect (tp_chat, "chat-state-changed",
1381                           G_CALLBACK (chat_state_changed_cb),
1382                           chat);
1383         g_signal_connect (tp_chat, "destroy",
1384                           G_CALLBACK (chat_destroy_cb),
1385                           chat);
1386
1387         /* Get pending messages */
1388         empathy_tp_chat_set_acknowledge (tp_chat, TRUE);
1389         messages = empathy_tp_chat_get_pendings (tp_chat);
1390         for (l = messages; l; l = l->next) {
1391                 chat_message_received_cb (tp_chat, l->data, chat);
1392                 g_object_unref (l->data);
1393         }
1394         g_list_free (messages);
1395
1396         if (!priv->sensitive) {
1397                 gtk_widget_set_sensitive (chat->input_text_view, TRUE);
1398                 empathy_chat_view_append_event (chat->view, _("Connected"));
1399                 priv->sensitive = TRUE;
1400         }
1401
1402         if (EMPATHY_CHAT_GET_CLASS (chat)->set_tp_chat) {
1403                 EMPATHY_CHAT_GET_CLASS (chat)->set_tp_chat (chat, tp_chat);
1404         }
1405
1406 }
1407
1408 const gchar *
1409 empathy_chat_get_id (EmpathyChat *chat)
1410 {
1411         EmpathyChatPriv *priv;
1412
1413         priv = GET_PRIV (chat);
1414
1415         return priv->id;
1416 }
1417
1418 void
1419 empathy_chat_clear (EmpathyChat *chat)
1420 {
1421         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1422
1423         empathy_chat_view_clear (chat->view);
1424 }
1425
1426 void
1427 empathy_chat_set_window (EmpathyChat       *chat,
1428                         EmpathyChatWindow *window)
1429 {
1430         EmpathyChatPriv *priv;
1431
1432         priv = GET_PRIV (chat);
1433         priv->window = window;
1434 }
1435
1436 EmpathyChatWindow *
1437 empathy_chat_get_window (EmpathyChat *chat)
1438 {
1439         EmpathyChatPriv *priv;
1440
1441         priv = GET_PRIV (chat);
1442
1443         return priv->window;
1444 }
1445
1446 void
1447 empathy_chat_scroll_down (EmpathyChat *chat)
1448 {
1449         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1450
1451         empathy_chat_view_scroll_down (chat->view);
1452 }
1453
1454 void
1455 empathy_chat_cut (EmpathyChat *chat)
1456 {
1457         GtkTextBuffer *buffer;
1458
1459         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1460
1461         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1462         if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
1463                 GtkClipboard *clipboard;
1464
1465                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1466
1467                 gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE);
1468         }
1469 }
1470
1471 void
1472 empathy_chat_copy (EmpathyChat *chat)
1473 {
1474         GtkTextBuffer *buffer;
1475
1476         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1477
1478         if (empathy_chat_view_get_selection_bounds (chat->view, NULL, NULL)) {
1479                 empathy_chat_view_copy_clipboard (chat->view);
1480                 return;
1481         }
1482
1483         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1484         if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
1485                 GtkClipboard *clipboard;
1486
1487                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1488
1489                 gtk_text_buffer_copy_clipboard (buffer, clipboard);
1490         }
1491 }
1492
1493 void
1494 empathy_chat_paste (EmpathyChat *chat)
1495 {
1496         GtkTextBuffer *buffer;
1497         GtkClipboard  *clipboard;
1498
1499         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1500
1501         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1502         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1503
1504         gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE);
1505 }
1506
1507 void
1508 empathy_chat_present (EmpathyChat *chat)
1509 {
1510         EmpathyChatPriv *priv;
1511
1512         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1513
1514         priv = GET_PRIV (chat);
1515
1516         if (priv->window == NULL) {
1517                 EmpathyChatWindow *window;
1518
1519                 window = empathy_chat_window_get_default ();
1520                 if (!window) {
1521                         window = empathy_chat_window_new ();
1522                 }
1523
1524                 empathy_chat_window_add_chat (window, chat);
1525         }
1526
1527         empathy_chat_window_switch_to_chat (priv->window, chat);
1528         empathy_window_present (
1529                 GTK_WINDOW (empathy_chat_window_get_dialog (priv->window)),
1530                 TRUE);
1531
1532         gtk_widget_grab_focus (chat->input_text_view);
1533 }
1534
1535 gboolean
1536 empathy_chat_should_play_sound (EmpathyChat *chat)
1537 {
1538         EmpathyChatWindow *window;
1539         gboolean          play = TRUE;
1540
1541         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
1542
1543         window = empathy_chat_get_window (chat);
1544         if (!window) {
1545                 return TRUE;
1546         }
1547
1548         play = !empathy_chat_window_has_focus (window);
1549
1550         return play;
1551 }
1552
1553 gboolean
1554 empathy_chat_should_highlight_nick (EmpathyMessage *message)
1555 {
1556         EmpathyContact *contact;
1557         const gchar   *msg, *to;
1558         gchar         *cf_msg, *cf_to;
1559         gchar         *ch;
1560         gboolean       ret_val;
1561
1562         g_return_val_if_fail (EMPATHY_IS_MESSAGE (message), FALSE);
1563
1564         empathy_debug (DEBUG_DOMAIN, "Highlighting nickname");
1565
1566         ret_val = FALSE;
1567
1568         msg = empathy_message_get_body (message);
1569         if (!msg) {
1570                 return FALSE;
1571         }
1572
1573         contact = empathy_message_get_receiver (message);
1574         if (!contact || !empathy_contact_is_user (contact)) {
1575                 return FALSE;
1576         }
1577
1578         to = empathy_contact_get_name (contact);
1579         if (!to) {
1580                 return FALSE;
1581         }
1582
1583         cf_msg = g_utf8_casefold (msg, -1);
1584         cf_to = g_utf8_casefold (to, -1);
1585
1586         ch = strstr (cf_msg, cf_to);
1587         if (ch == NULL) {
1588                 goto finished;
1589         }
1590
1591         if (ch != cf_msg) {
1592                 /* Not first in the message */
1593                 if ((*(ch - 1) != ' ') &&
1594                     (*(ch - 1) != ',') &&
1595                     (*(ch - 1) != '.')) {
1596                         goto finished;
1597                 }
1598         }
1599
1600         ch = ch + strlen (cf_to);
1601         if (ch >= cf_msg + strlen (cf_msg)) {
1602                 ret_val = TRUE;
1603                 goto finished;
1604         }
1605
1606         if ((*ch == ' ') ||
1607             (*ch == ',') ||
1608             (*ch == '.') ||
1609             (*ch == ':')) {
1610                 ret_val = TRUE;
1611                 goto finished;
1612         }
1613
1614 finished:
1615         g_free (cf_msg);
1616         g_free (cf_to);
1617
1618         return ret_val;
1619 }
1620