libempathy-gtk/gossip-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 #include <glade/glade.h>
  37
  38 #include <libempathy/empathy-session.h>
  39 #include <libempathy/empathy-contact-manager.h>
  40 #include <libempathy/gossip-debug.h>
  41 #include <libempathy/gossip-utils.h>
  42 #include <libempathy/gossip-conf.h>
  43
  44 #include "gossip-chat.h"
  45 #include "gossip-chat-window.h"
  46 #include "gossip-geometry.h"
  47 #include "gossip-preferences.h"
  48 #include "gossip-spell.h"
  49 //#include "gossip-spell-dialog.h"
  50 #include "gossip-ui-utils.h"
  51
  52 #define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GOSSIP_TYPE_CHAT, GossipChatPriv))
  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 _GossipChatPriv {
  66         EmpathyTpChat    *tp_chat;
  67         GossipChatWindow *window;
  68
  69         GtkTooltips      *tooltips;
  70         guint             composing_stop_timeout_id;
  71         gboolean          sensitive;
  72         gchar            *id;
  73         GSList           *sent_messages;
  74         gint              sent_messages_index;
  75         /* Used to automatically shrink a window that has temporarily
  76          * grown due to long input.
  77          */
  78         gint              padding_height;
  79         gint              default_window_height;
  80         gint              last_input_height;
  81         gboolean          vscroll_visible;
  82 };
  83
  84 typedef struct {
  85         GossipChat  *chat;
  86         gchar       *word;
  87
  88         GtkTextIter  start;
  89         GtkTextIter  end;
  90 } GossipChatSpell;
  91
  92 static void             gossip_chat_class_init            (GossipChatClass *klass);
  93 static void             gossip_chat_init                  (GossipChat      *chat);
  94 static void             chat_finalize                     (GObject         *object);
  95 static void             chat_destroy_cb                   (EmpathyTpChat   *tp_chat,
  96                                                            GossipChat      *chat);
  97 static void             chat_send                         (GossipChat      *chat,
  98                                                            const gchar     *msg);
  99 static void             chat_input_text_view_send         (GossipChat      *chat);
 100 static void             chat_message_received_cb          (EmpathyTpChat   *tp_chat,
 101                                                            GossipMessage   *message,
 102                                                            GossipChat      *chat);
 103 void                    chat_sent_message_add             (GossipChat      *chat,
 104                                                            const gchar     *str);
 105 const gchar *           chat_sent_message_get_next        (GossipChat      *chat);
 106 const gchar *           chat_sent_message_get_last        (GossipChat      *chat);
 107 static gboolean         chat_input_key_press_event_cb     (GtkWidget       *widget,
 108                                                            GdkEventKey     *event,
 109                                                            GossipChat      *chat);
 110 static void             chat_input_text_buffer_changed_cb (GtkTextBuffer   *buffer,
 111                                                            GossipChat      *chat);
 112 static gboolean         chat_text_view_focus_in_event_cb  (GtkWidget       *widget,
 113                                                            GdkEvent        *event,
 114                                                            GossipChat      *chat);
 115 static void             chat_text_view_scroll_hide_cb     (GtkWidget       *widget,
 116                                                            GossipChat      *chat);
 117 static void             chat_text_view_size_allocate_cb   (GtkWidget       *widget,
 118                                                            GtkAllocation   *allocation,
 119                                                            GossipChat      *chat);
 120 static void             chat_text_view_realize_cb         (GtkWidget       *widget,
 121                                                            GossipChat      *chat);
 122 static void             chat_text_populate_popup_cb       (GtkTextView     *view,
 123                                                            GtkMenu         *menu,
 124                                                            GossipChat      *chat);
 125 static void             chat_text_check_word_spelling_cb  (GtkMenuItem     *menuitem,
 126                                                            GossipChatSpell *chat_spell);
 127 static GossipChatSpell *chat_spell_new                    (GossipChat      *chat,
 128                                                            const gchar     *word,
 129                                                            GtkTextIter      start,
 130                                                            GtkTextIter      end);
 131 static void             chat_spell_free                   (GossipChatSpell *chat_spell);
 132 static void             chat_composing_start              (GossipChat      *chat);
 133 static void             chat_composing_stop               (GossipChat      *chat);
 134 static void             chat_composing_remove_timeout     (GossipChat      *chat);
 135 static gboolean         chat_composing_stop_timeout_cb    (GossipChat      *chat);
 136
 137 enum {
 138         COMPOSING,
 139         NEW_MESSAGE,
 140         NAME_CHANGED,
 141         STATUS_CHANGED,
 142         LAST_SIGNAL
 143 };
 144
 145 static guint chat_signals[LAST_SIGNAL] = { 0 };
 146
 147 G_DEFINE_TYPE (GossipChat, gossip_chat, G_TYPE_OBJECT);
 148
 149 static void
 150 gossip_chat_class_init (GossipChatClass *klass)
 151 {
 152         GObjectClass *object_class;
 153
 154         object_class = G_OBJECT_CLASS (klass);
 155
 156         object_class->finalize = chat_finalize;
 157
 158         chat_signals[COMPOSING] =
 159                 g_signal_new ("composing",
 160                               G_OBJECT_CLASS_TYPE (object_class),
 161                               G_SIGNAL_RUN_LAST,
 162                               0,
 163                               NULL, NULL,
 164                               g_cclosure_marshal_VOID__BOOLEAN,
 165                               G_TYPE_NONE,
 166                               1, G_TYPE_BOOLEAN);
 167
 168         chat_signals[NEW_MESSAGE] =
 169                 g_signal_new ("new-message",
 170                               G_OBJECT_CLASS_TYPE (object_class),
 171                               G_SIGNAL_RUN_LAST,
 172                               0,
 173                               NULL, NULL,
 174                               g_cclosure_marshal_VOID__OBJECT,
 175                               G_TYPE_NONE,
 176                               1, GOSSIP_TYPE_MESSAGE);
 177
 178         chat_signals[NAME_CHANGED] =
 179                 g_signal_new ("name-changed",
 180                               G_OBJECT_CLASS_TYPE (object_class),
 181                               G_SIGNAL_RUN_LAST,
 182                               0,
 183                               NULL, NULL,
 184                               g_cclosure_marshal_VOID__POINTER,
 185                               G_TYPE_NONE,
 186                               1, G_TYPE_POINTER);
 187
 188         chat_signals[STATUS_CHANGED] =
 189                 g_signal_new ("status-changed",
 190                               G_OBJECT_CLASS_TYPE (object_class),
 191                               G_SIGNAL_RUN_LAST,
 192                               0,
 193                               NULL, NULL,
 194                               g_cclosure_marshal_VOID__VOID,
 195                               G_TYPE_NONE,
 196                               0);
 197
 198         g_type_class_add_private (object_class, sizeof (GossipChatPriv));
 199 }
 200
 201 static void
 202 gossip_chat_init (GossipChat *chat)
 203 {
 204         GossipChatPriv *priv;
 205         GtkTextBuffer  *buffer;
 206
 207         chat->view = gossip_chat_view_new ();
 208         chat->input_text_view = gtk_text_view_new ();
 209
 210         chat->is_first_char = TRUE;
 211
 212         g_object_set (chat->input_text_view,
 213                       "pixels-above-lines", 2,
 214                       "pixels-below-lines", 2,
 215                       "pixels-inside-wrap", 1,
 216                       "right-margin", 2,
 217                       "left-margin", 2,
 218                       "wrap-mode", GTK_WRAP_WORD_CHAR,
 219                       NULL);
 220
 221         priv = GET_PRIV (chat);
 222
 223         priv->tooltips = gtk_tooltips_new ();
 224
 225         priv->default_window_height = -1;
 226         priv->vscroll_visible = FALSE;
 227         priv->sensitive = TRUE;
 228         priv->sent_messages = NULL;
 229         priv->sent_messages_index = -1;
 230
 231         g_signal_connect (chat->input_text_view,
 232                           "key_press_event",
 233                           G_CALLBACK (chat_input_key_press_event_cb),
 234                           chat);
 235
 236         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 237         g_signal_connect (buffer,
 238                           "changed",
 239                           G_CALLBACK (chat_input_text_buffer_changed_cb),
 240                           chat);
 241         g_signal_connect (GOSSIP_CHAT (chat)->view,
 242                           "focus_in_event",
 243                           G_CALLBACK (chat_text_view_focus_in_event_cb),
 244                           chat);
 245
 246         g_signal_connect (chat->input_text_view,
 247                           "size_allocate",
 248                           G_CALLBACK (chat_text_view_size_allocate_cb),
 249                           chat);
 250
 251         g_signal_connect (chat->input_text_view,
 252                           "realize",
 253                           G_CALLBACK (chat_text_view_realize_cb),
 254                           chat);
 255
 256         g_signal_connect (GTK_TEXT_VIEW (chat->input_text_view),
 257                           "populate_popup",
 258                           G_CALLBACK (chat_text_populate_popup_cb),
 259                           chat);
 260
 261         /* create misspelt words identification tag */
 262         gtk_text_buffer_create_tag (buffer,
 263                                     "misspelled",
 264                                     "underline", PANGO_UNDERLINE_ERROR,
 265                                     NULL);
 266 }
 267
 268 static void
 269 chat_finalize (GObject *object)
 270 {
 271         GossipChat     *chat;
 272         GossipChatPriv *priv;
 273
 274         chat = GOSSIP_CHAT (object);
 275         priv = GET_PRIV (chat);
 276
 277         gossip_debug (DEBUG_DOMAIN, "Finalized: %p", object);
 278
 279         g_slist_foreach (priv->sent_messages, (GFunc) g_free, NULL);
 280         g_slist_free (priv->sent_messages);
 281
 282         chat_composing_remove_timeout (chat);
 283         g_object_unref (GOSSIP_CHAT (object)->account);
 284
 285         if (priv->tp_chat) {
 286                 g_object_unref (priv->tp_chat);
 287         }
 288
 289         g_free (priv->id);
 290
 291         G_OBJECT_CLASS (gossip_chat_parent_class)->finalize (object);
 292 }
 293
 294 static void
 295 chat_destroy_cb (EmpathyTpChat *tp_chat,
 296                  GossipChat    *chat)
 297 {
 298         GossipChatPriv *priv;
 299         GtkWidget      *widget;
 300
 301         priv = GET_PRIV (chat);
 302
 303         if (priv->tp_chat) {
 304                 g_object_unref (priv->tp_chat);
 305                 priv->tp_chat = NULL;
 306         }
 307
 308         gossip_chat_view_append_event (chat->view, _("Disconnected"));
 309
 310         widget = gossip_chat_get_widget (chat);
 311         gtk_widget_set_sensitive (widget, FALSE);
 312         priv->sensitive = FALSE;
 313 }
 314
 315 static void
 316 chat_send (GossipChat  *chat,
 317            const gchar *msg)
 318 {
 319         GossipChatPriv   *priv;
 320         //GossipLogManager *log_manager;
 321         GossipMessage    *message;
 322         GossipContact    *own_contact;
 323
 324         priv = GET_PRIV (chat);
 325
 326         if (G_STR_EMPTY (msg)) {
 327                 return;
 328         }
 329
 330         chat_sent_message_add (chat, msg);
 331
 332         if (g_str_has_prefix (msg, "/clear")) {
 333                 gossip_chat_view_clear (chat->view);
 334                 return;
 335         }
 336
 337         /* FIXME: gossip_app_set_not_away ();*/
 338
 339         own_contact = gossip_chat_get_own_contact (chat);
 340         message = gossip_message_new (msg);
 341         gossip_message_set_sender (message, own_contact);
 342
 343         //FIXME: log_manager = gossip_session_get_log_manager (gossip_app_get_session ());
 344         //gossip_log_message_for_contact (log_manager, message, FALSE);
 345
 346         empathy_tp_chat_send (priv->tp_chat, message);
 347
 348         g_object_unref (message);
 349 }
 350
 351 static void
 352 chat_input_text_view_send (GossipChat *chat)
 353 {
 354         GossipChatPriv *priv;
 355         GtkTextBuffer  *buffer;
 356         GtkTextIter     start, end;
 357         gchar          *msg;
 358
 359         priv = GET_PRIV (chat);
 360
 361         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 362
 363         gtk_text_buffer_get_bounds (buffer, &start, &end);
 364         msg = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 365
 366         /* clear the input field */
 367         gtk_text_buffer_set_text (buffer, "", -1);
 368
 369         chat_send (chat, msg);
 370
 371         g_free (msg);
 372
 373         chat->is_first_char = TRUE;
 374 }
 375
 376 static void
 377 chat_message_received_cb (EmpathyTpChat *tp_chat,
 378                           GossipMessage *message,
 379                           GossipChat    *chat)
 380 {
 381         GossipChatPriv *priv;
 382         //GossipLogManager      *log_manager;
 383         GossipContact         *sender;
 384
 385         priv = GET_PRIV (chat);
 386
 387         sender = gossip_message_get_sender (message);
 388         gossip_debug (DEBUG_DOMAIN, "Appending message ('%s')",
 389                       gossip_contact_get_name (sender));
 390
 391 /*FIXME:
 392         log_manager = gossip_session_get_log_manager (gossip_app_get_session ());
 393         gossip_log_message_for_contact (log_manager, message, TRUE);
 394 */
 395         gossip_chat_view_append_message (chat->view, message);
 396
 397         if (gossip_chat_should_play_sound (chat)) {
 398                 // FIXME: gossip_sound_play (GOSSIP_SOUND_CHAT);
 399         }
 400
 401         g_signal_emit_by_name (chat, "new-message", message);
 402 }
 403
 404 void
 405 chat_sent_message_add (GossipChat  *chat,
 406                        const gchar *str)
 407 {
 408         GossipChatPriv *priv;
 409         GSList         *list;
 410         GSList         *item;
 411
 412         priv = GET_PRIV (chat);
 413
 414         /* Save the sent message in our repeat buffer */
 415         list = priv->sent_messages;
 416
 417         /* Remove any other occurances of this msg */
 418         while ((item = g_slist_find_custom (list, str, (GCompareFunc) strcmp)) != NULL) {
 419                 list = g_slist_remove_link (list, item);
 420                 g_free (item->data);
 421                 g_slist_free1 (item);
 422         }
 423
 424         /* Trim the list to the last 10 items */
 425         while (g_slist_length (list) > 10) {
 426                 item = g_slist_last (list);
 427                 if (item) {
 428                         list = g_slist_remove_link (list, item);
 429                         g_free (item->data);
 430                         g_slist_free1 (item);
 431                 }
 432         }
 433
 434         /* Add new message */
 435         list = g_slist_prepend (list, g_strdup (str));
 436
 437         /* Set list and reset the index */
 438         priv->sent_messages = list;
 439         priv->sent_messages_index = -1;
 440 }
 441
 442 const gchar *
 443 chat_sent_message_get_next (GossipChat *chat)
 444 {
 445         GossipChatPriv *priv;
 446         gint            max;
 447
 448         priv = GET_PRIV (chat);
 449
 450         if (!priv->sent_messages) {
 451                 gossip_debug (DEBUG_DOMAIN,
 452                               "No sent messages, next message is NULL");
 453                 return NULL;
 454         }
 455
 456         max = g_slist_length (priv->sent_messages) - 1;
 457
 458         if (priv->sent_messages_index < max) {
 459                 priv->sent_messages_index++;
 460         }
 461
 462         gossip_debug (DEBUG_DOMAIN,
 463                       "Returning next message index:%d",
 464                       priv->sent_messages_index);
 465
 466         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 467 }
 468
 469 const gchar *
 470 chat_sent_message_get_last (GossipChat *chat)
 471 {
 472         GossipChatPriv *priv;
 473
 474         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
 475
 476         priv = GET_PRIV (chat);
 477
 478         if (!priv->sent_messages) {
 479                 gossip_debug (DEBUG_DOMAIN,
 480                               "No sent messages, last message is NULL");
 481                 return NULL;
 482         }
 483
 484         if (priv->sent_messages_index >= 0) {
 485                 priv->sent_messages_index--;
 486         }
 487
 488         gossip_debug (DEBUG_DOMAIN,
 489                       "Returning last message index:%d",
 490                       priv->sent_messages_index);
 491
 492         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 493 }
 494
 495 static gboolean
 496 chat_input_key_press_event_cb (GtkWidget   *widget,
 497                                GdkEventKey *event,
 498                                GossipChat  *chat)
 499 {
 500         GossipChatPriv *priv;
 501         GtkAdjustment  *adj;
 502         gdouble         val;
 503         GtkWidget      *text_view_sw;
 504
 505         priv = GET_PRIV (chat);
 506
 507         if (event->keyval == GDK_Tab && !(event->state & GDK_CONTROL_MASK)) {
 508                 return TRUE;
 509         }
 510 g_print ("1\n");
 511         /* Catch ctrl+up/down so we can traverse messages we sent */
 512         if ((event->state & GDK_CONTROL_MASK) &&
 513             (event->keyval == GDK_Up ||
 514              event->keyval == GDK_Down)) {
 515                 GtkTextBuffer *buffer;
 516                 const gchar   *str;
 517
 518                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 519
 520                 if (event->keyval == GDK_Up) {
 521                         str = chat_sent_message_get_next (chat);
 522                 } else {
 523                         str = chat_sent_message_get_last (chat);
 524                 }
 525
 526                 g_signal_handlers_block_by_func (buffer,
 527                                                  chat_input_text_buffer_changed_cb,
 528                                                  chat);
 529                 gtk_text_buffer_set_text (buffer, str ? str : "", -1);
 530                 g_signal_handlers_unblock_by_func (buffer,
 531                                                    chat_input_text_buffer_changed_cb,
 532                                                    chat);
 533
 534                 return TRUE;
 535         }
 536 g_print ("2\n");
 537
 538         /* Catch enter but not ctrl/shift-enter */
 539         if (IS_ENTER (event->keyval) && !(event->state & GDK_SHIFT_MASK)) {
 540                 GtkTextView *view;
 541
 542                 /* This is to make sure that kinput2 gets the enter. And if
 543                  * it's handled there we shouldn't send on it. This is because
 544                  * kinput2 uses Enter to commit letters. See:
 545                  * http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104299
 546                  */
 547
 548                 view = GTK_TEXT_VIEW (chat->input_text_view);
 549                 if (gtk_im_context_filter_keypress (view->im_context, event)) {
 550                         GTK_TEXT_VIEW (chat->input_text_view)->need_im_reset = TRUE;
 551                         return TRUE;
 552                 }
 553 g_print ("3\n");
 554
 555                 chat_input_text_view_send (chat);
 556                 return TRUE;
 557         }
 558 g_print ("4\n");
 559
 560         text_view_sw = gtk_widget_get_parent (GTK_WIDGET (chat->view));
 561
 562         if (IS_ENTER (event->keyval) && (event->state & GDK_SHIFT_MASK)) {
 563                 /* Newline for shift-enter. */
 564                 return FALSE;
 565         }
 566         else if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 567                  event->keyval == GDK_Page_Up) {
 568                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 569                 gtk_adjustment_set_value (adj, adj->value - adj->page_size);
 570
 571                 return TRUE;
 572         }
 573         else if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 574                  event->keyval == GDK_Page_Down) {
 575                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 576                 val = MIN (adj->value + adj->page_size, adj->upper - adj->page_size);
 577                 gtk_adjustment_set_value (adj, val);
 578
 579                 return TRUE;
 580         }
 581 g_print ("5\n");
 582
 583         return FALSE;
 584 }
 585
 586 static gboolean
 587 chat_text_view_focus_in_event_cb (GtkWidget  *widget,
 588                                   GdkEvent   *event,
 589                                   GossipChat *chat)
 590 {
 591         gtk_widget_grab_focus (chat->input_text_view);
 592
 593         return TRUE;
 594 }
 595
 596 static void
 597 chat_input_text_buffer_changed_cb (GtkTextBuffer *buffer,
 598                                    GossipChat    *chat)
 599 {
 600         GossipChatPriv *priv;
 601         GtkTextIter     start, end;
 602         gchar          *str;
 603         gboolean        spell_checker = FALSE;
 604
 605         priv = GET_PRIV (chat);
 606
 607         if (gtk_text_buffer_get_char_count (buffer) == 0) {
 608                 chat_composing_stop (chat);
 609         } else {
 610                 chat_composing_start (chat);
 611         }
 612
 613         gossip_conf_get_bool (gossip_conf_get (),
 614                               GOSSIP_PREFS_CHAT_SPELL_CHECKER_ENABLED,
 615                               &spell_checker);
 616
 617         if (chat->is_first_char) {
 618                 GtkRequisition  req;
 619                 gint            window_height;
 620                 GtkWidget      *dialog;
 621                 GtkAllocation  *allocation;
 622
 623                 /* Save the window's size */
 624                 dialog = gossip_chat_window_get_dialog (priv->window);
 625                 gtk_window_get_size (GTK_WINDOW (dialog),
 626                                      NULL, &window_height);
 627
 628                 gtk_widget_size_request (chat->input_text_view, &req);
 629
 630                 allocation = &GTK_WIDGET (chat->view)->allocation;
 631
 632                 priv->default_window_height = window_height;
 633                 priv->last_input_height = req.height;
 634                 priv->padding_height = window_height - req.height - allocation->height;
 635
 636                 chat->is_first_char = FALSE;
 637         }
 638
 639         gtk_text_buffer_get_start_iter (buffer, &start);
 640
 641         if (!spell_checker) {
 642                 gtk_text_buffer_get_end_iter (buffer, &end);
 643                 gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 644                 return;
 645         }
 646
 647         if (!gossip_spell_supported ()) {
 648                 return;
 649         }
 650
 651         /* NOTE: this is really inefficient, we shouldn't have to
 652            reiterate the whole buffer each time and check each work
 653            every time. */
 654         while (TRUE) {
 655                 gboolean correct = FALSE;
 656
 657                 /* if at start */
 658                 if (gtk_text_iter_is_start (&start)) {
 659                         end = start;
 660
 661                         if (!gtk_text_iter_forward_word_end (&end)) {
 662                                 /* no whole word yet */
 663                                 break;
 664                         }
 665                 } else {
 666                         if (!gtk_text_iter_forward_word_end (&end)) {
 667                                 /* must be the end of the buffer */
 668                                 break;
 669                         }
 670
 671                         start = end;
 672                         gtk_text_iter_backward_word_start (&start);
 673                 }
 674
 675                 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 676
 677                 /* spell check string */
 678                 if (!gossip_chat_get_is_command (str)) {
 679                         correct = gossip_spell_check (str);
 680                 } else {
 681                         correct = TRUE;
 682                 }
 683
 684                 if (!correct) {
 685                         gtk_text_buffer_apply_tag_by_name (buffer, "misspelled", &start, &end);
 686                 } else {
 687                         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 688                 }
 689
 690                 g_free (str);
 691
 692                 /* set start iter to the end iters position */
 693                 start = end;
 694         }
 695 }
 696
 697 typedef struct {
 698         GtkWidget *window;
 699         gint       width;
 700         gint       height;
 701 } ChangeSizeData;
 702
 703 static gboolean
 704 chat_change_size_in_idle_cb (ChangeSizeData *data)
 705 {
 706         gtk_window_resize (GTK_WINDOW (data->window),
 707                            data->width, data->height);
 708
 709         return FALSE;
 710 }
 711
 712 static void
 713 chat_text_view_scroll_hide_cb (GtkWidget  *widget,
 714                                GossipChat *chat)
 715 {
 716         GossipChatPriv *priv;
 717         GtkWidget      *sw;
 718
 719         priv = GET_PRIV (chat);
 720
 721         priv->vscroll_visible = FALSE;
 722         g_signal_handlers_disconnect_by_func (widget, chat_text_view_scroll_hide_cb, chat);
 723
 724         sw = gtk_widget_get_parent (chat->input_text_view);
 725         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 726                                         GTK_POLICY_NEVER,
 727                                         GTK_POLICY_NEVER);
 728         g_object_set (sw, "height-request", -1, NULL);
 729 }
 730
 731 static void
 732 chat_text_view_size_allocate_cb (GtkWidget     *widget,
 733                                  GtkAllocation *allocation,
 734                                  GossipChat    *chat)
 735 {
 736         GossipChatPriv *priv;
 737         gint            width;
 738         GtkWidget      *dialog;
 739         ChangeSizeData *data;
 740         gint            window_height;
 741         gint            new_height;
 742         GtkAllocation  *view_allocation;
 743         gint            current_height;
 744         gint            diff;
 745         GtkWidget      *sw;
 746
 747         priv = GET_PRIV (chat);
 748
 749         if (priv->default_window_height <= 0) {
 750                 return;
 751         }
 752
 753         sw = gtk_widget_get_parent (widget);
 754         if (sw->allocation.height >= MAX_INPUT_HEIGHT && !priv->vscroll_visible) {
 755                 GtkWidget *vscroll;
 756
 757                 priv->vscroll_visible = TRUE;
 758                 gtk_widget_set_size_request (sw, sw->allocation.width, MAX_INPUT_HEIGHT);
 759                 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 760                                                 GTK_POLICY_NEVER,
 761                                                 GTK_POLICY_AUTOMATIC);
 762                 vscroll = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (sw));
 763                 g_signal_connect (vscroll, "hide",
 764                                   G_CALLBACK (chat_text_view_scroll_hide_cb),
 765                                   chat);
 766         }
 767
 768         if (priv->last_input_height <= allocation->height) {
 769                 priv->last_input_height = allocation->height;
 770                 return;
 771         }
 772
 773         diff = priv->last_input_height - allocation->height;
 774         priv->last_input_height = allocation->height;
 775
 776         view_allocation = &GTK_WIDGET (chat->view)->allocation;
 777
 778         dialog = gossip_chat_window_get_dialog (priv->window);
 779         gtk_window_get_size (GTK_WINDOW (dialog), NULL, &current_height);
 780
 781         new_height = view_allocation->height + priv->padding_height + allocation->height - diff;
 782
 783         if (new_height <= priv->default_window_height) {
 784                 window_height = priv->default_window_height;
 785         } else {
 786                 window_height = new_height;
 787         }
 788
 789         if (current_height <= window_height) {
 790                 return;
 791         }
 792
 793         /* Restore the window's size */
 794         gtk_window_get_size (GTK_WINDOW (dialog), &width, NULL);
 795
 796         data = g_new0 (ChangeSizeData, 1);
 797         data->window = dialog;
 798         data->width  = width;
 799         data->height = window_height;
 800
 801         g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
 802                          (GSourceFunc) chat_change_size_in_idle_cb,
 803                          data, g_free);
 804 }
 805
 806 static void
 807 chat_text_view_realize_cb (GtkWidget  *widget,
 808                            GossipChat *chat)
 809 {
 810         gossip_debug (DEBUG_DOMAIN, "Setting focus to the input text view");
 811         gtk_widget_grab_focus (widget);
 812 }
 813
 814 static void
 815 chat_insert_smiley_activate_cb (GtkWidget  *menuitem,
 816                                 GossipChat *chat)
 817 {
 818         GtkTextBuffer *buffer;
 819         GtkTextIter    iter;
 820         const gchar   *smiley;
 821
 822         smiley = g_object_get_data (G_OBJECT (menuitem), "smiley_text");
 823
 824         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 825
 826         gtk_text_buffer_get_end_iter (buffer, &iter);
 827         gtk_text_buffer_insert (buffer, &iter, smiley, -1);
 828
 829         gtk_text_buffer_get_end_iter (buffer, &iter);
 830         gtk_text_buffer_insert (buffer, &iter, " ", -1);
 831 }
 832
 833 static void
 834 chat_text_populate_popup_cb (GtkTextView *view,
 835                              GtkMenu     *menu,
 836                              GossipChat  *chat)
 837 {
 838         GossipChatPriv  *priv;
 839         GtkTextBuffer   *buffer;
 840         GtkTextTagTable *table;
 841         GtkTextTag      *tag;
 842         gint             x, y;
 843         GtkTextIter      iter, start, end;
 844         GtkWidget       *item;
 845         gchar           *str = NULL;
 846         GossipChatSpell *chat_spell;
 847         GtkWidget       *smiley_menu;
 848
 849         priv = GET_PRIV (chat);
 850
 851         /* Add the emoticon menu. */
 852         item = gtk_separator_menu_item_new ();
 853         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 854         gtk_widget_show (item);
 855
 856         item = gtk_menu_item_new_with_mnemonic (_("Insert Smiley"));
 857         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 858         gtk_widget_show (item);
 859
 860         smiley_menu = gossip_chat_view_get_smiley_menu (
 861                 G_CALLBACK (chat_insert_smiley_activate_cb),
 862                 chat,
 863                 priv->tooltips);
 864         gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu);
 865
 866         /* Add the spell check menu item. */
 867         buffer = gtk_text_view_get_buffer (view);
 868         table = gtk_text_buffer_get_tag_table (buffer);
 869
 870         tag = gtk_text_tag_table_lookup (table, "misspelled");
 871
 872         gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
 873
 874         gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
 875                                                GTK_TEXT_WINDOW_WIDGET,
 876                                                x, y,
 877                                                &x, &y);
 878
 879         gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y);
 880
 881         start = end = iter;
 882
 883         if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
 884             gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
 885
 886                 str = gtk_text_buffer_get_text (buffer,
 887                                                 &start, &end, FALSE);
 888         }
 889
 890         if (G_STR_EMPTY (str)) {
 891                 return;
 892         }
 893
 894         chat_spell = chat_spell_new (chat, str, start, end);
 895
 896         g_object_set_data_full (G_OBJECT (menu),
 897                                 "chat_spell", chat_spell,
 898                                 (GDestroyNotify) chat_spell_free);
 899
 900         item = gtk_separator_menu_item_new ();
 901         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 902         gtk_widget_show (item);
 903
 904         item = gtk_menu_item_new_with_mnemonic (_("_Check Word Spelling..."));
 905         g_signal_connect (item,
 906                           "activate",
 907                           G_CALLBACK (chat_text_check_word_spelling_cb),
 908                           chat_spell);
 909         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 910         gtk_widget_show (item);
 911 }
 912
 913 static void
 914 chat_text_check_word_spelling_cb (GtkMenuItem     *menuitem,
 915                                   GossipChatSpell *chat_spell)
 916 {
 917 /*FIXME:        gossip_spell_dialog_show (chat_spell->chat,
 918                                   chat_spell->start,
 919                                   chat_spell->end,
 920                                   chat_spell->word);*/
 921 }
 922
 923 static GossipChatSpell *
 924 chat_spell_new (GossipChat  *chat,
 925                 const gchar *word,
 926                 GtkTextIter  start,
 927                 GtkTextIter  end)
 928 {
 929         GossipChatSpell *chat_spell;
 930
 931         chat_spell = g_new0 (GossipChatSpell, 1);
 932
 933         chat_spell->chat = g_object_ref (chat);
 934         chat_spell->word = g_strdup (word);
 935         chat_spell->start = start;
 936         chat_spell->end = end;
 937
 938         return chat_spell;
 939 }
 940
 941 static void
 942 chat_spell_free (GossipChatSpell *chat_spell)
 943 {
 944         g_object_unref (chat_spell->chat);
 945         g_free (chat_spell->word);
 946         g_free (chat_spell);
 947 }
 948
 949 static void
 950 chat_composing_start (GossipChat *chat)
 951 {
 952         GossipChatPriv *priv;
 953
 954         priv = GET_PRIV (chat);
 955
 956         if (priv->composing_stop_timeout_id) {
 957                 /* Just restart the timeout */
 958                 chat_composing_remove_timeout (chat);
 959         } else {
 960         /* FIXME:
 961                 gossip_session_send_composing (gossip_app_get_session (),
 962                                                priv->contact, TRUE);
 963                                               */
 964         }
 965
 966         priv->composing_stop_timeout_id = g_timeout_add (
 967                 1000 * COMPOSING_STOP_TIMEOUT,
 968                 (GSourceFunc) chat_composing_stop_timeout_cb,
 969                 chat);
 970 }
 971
 972 static void
 973 chat_composing_stop (GossipChat *chat)
 974 {
 975         GossipChatPriv *priv;
 976
 977         priv = GET_PRIV (chat);
 978
 979         chat_composing_remove_timeout (chat);
 980         /* FIXME:
 981         gossip_session_send_composing (gossip_app_get_session (),
 982                                        priv->contact, FALSE);*/
 983 }
 984
 985 static void
 986 chat_composing_remove_timeout (GossipChat *chat)
 987 {
 988         GossipChatPriv *priv;
 989
 990         priv = GET_PRIV (chat);
 991
 992         if (priv->composing_stop_timeout_id) {
 993                 g_source_remove (priv->composing_stop_timeout_id);
 994                 priv->composing_stop_timeout_id = 0;
 995         }
 996 }
 997
 998 static gboolean
 999 chat_composing_stop_timeout_cb (GossipChat *chat)
1000 {
1001         GossipChatPriv *priv;
1002
1003         priv = GET_PRIV (chat);
1004
1005         priv->composing_stop_timeout_id = 0;
1006         /* FIXME:
1007         gossip_session_send_composing (gossip_app_get_session (),
1008                                        priv->contact, FALSE);*/
1009
1010         return FALSE;
1011 }
1012
1013 gboolean
1014 gossip_chat_get_is_command (const gchar *str)
1015 {
1016         g_return_val_if_fail (str != NULL, FALSE);
1017
1018         if (str[0] != '/') {
1019                 return FALSE;
1020         }
1021
1022         if (g_str_has_prefix (str, "/me")) {
1023                 return TRUE;
1024         }
1025         else if (g_str_has_prefix (str, "/nick")) {
1026                 return TRUE;
1027         }
1028         else if (g_str_has_prefix (str, "/topic")) {
1029                 return TRUE;
1030         }
1031
1032         return FALSE;
1033 }
1034
1035 void
1036 gossip_chat_correct_word (GossipChat  *chat,
1037                           GtkTextIter  start,
1038                           GtkTextIter  end,
1039                           const gchar *new_word)
1040 {
1041         GtkTextBuffer *buffer;
1042
1043         g_return_if_fail (chat != NULL);
1044         g_return_if_fail (new_word != NULL);
1045
1046         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1047
1048         gtk_text_buffer_delete (buffer, &start, &end);
1049         gtk_text_buffer_insert (buffer, &start,
1050                                 new_word,
1051                                 -1);
1052 }
1053
1054 const gchar *
1055 gossip_chat_get_name (GossipChat *chat)
1056 {
1057         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
1058
1059         if (GOSSIP_CHAT_GET_CLASS (chat)->get_name) {
1060                 return GOSSIP_CHAT_GET_CLASS (chat)->get_name (chat);
1061         }
1062
1063         return NULL;
1064 }
1065
1066 gchar *
1067 gossip_chat_get_tooltip (GossipChat *chat)
1068 {
1069         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
1070
1071         if (GOSSIP_CHAT_GET_CLASS (chat)->get_tooltip) {
1072                 return GOSSIP_CHAT_GET_CLASS (chat)->get_tooltip (chat);
1073         }
1074
1075         return NULL;
1076 }
1077
1078 GdkPixbuf *
1079 gossip_chat_get_status_pixbuf (GossipChat *chat)
1080 {
1081         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
1082
1083         if (GOSSIP_CHAT_GET_CLASS (chat)->get_status_pixbuf) {
1084                 return GOSSIP_CHAT_GET_CLASS (chat)->get_status_pixbuf (chat);
1085         }
1086
1087         return NULL;
1088 }
1089
1090 GossipContact *
1091 gossip_chat_get_contact (GossipChat *chat)
1092 {
1093         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
1094
1095         if (GOSSIP_CHAT_GET_CLASS (chat)->get_contact) {
1096                 return GOSSIP_CHAT_GET_CLASS (chat)->get_contact (chat);
1097         }
1098
1099         return NULL;
1100 }
1101 GossipContact *
1102 gossip_chat_get_own_contact (GossipChat *chat)
1103 {
1104         EmpathyContactManager *manager;
1105
1106         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
1107
1108         manager = empathy_session_get_contact_manager ();
1109
1110         return empathy_contact_manager_get_own (manager, chat->account);
1111 }
1112
1113 GtkWidget *
1114 gossip_chat_get_widget (GossipChat *chat)
1115 {
1116         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
1117
1118         if (GOSSIP_CHAT_GET_CLASS (chat)->get_widget) {
1119                 return GOSSIP_CHAT_GET_CLASS (chat)->get_widget (chat);
1120         }
1121
1122         return NULL;
1123 }
1124
1125 gboolean
1126 gossip_chat_is_group_chat (GossipChat *chat)
1127 {
1128         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
1129
1130         if (GOSSIP_CHAT_GET_CLASS (chat)->is_group_chat) {
1131                 return GOSSIP_CHAT_GET_CLASS (chat)->is_group_chat (chat);
1132         }
1133
1134         return FALSE;
1135 }
1136
1137 gboolean
1138 gossip_chat_is_connected (GossipChat *chat)
1139 {
1140         GossipChatPriv *priv;
1141
1142         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
1143
1144         priv = GET_PRIV (chat);
1145
1146         return (priv->tp_chat != NULL);
1147 }
1148
1149 gboolean
1150 gossip_chat_get_show_contacts (GossipChat *chat)
1151 {
1152         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
1153
1154         if (GOSSIP_CHAT_GET_CLASS (chat)->get_show_contacts) {
1155                 return GOSSIP_CHAT_GET_CLASS (chat)->get_show_contacts (chat);
1156         }
1157
1158         return FALSE;
1159 }
1160
1161 void
1162 gossip_chat_set_show_contacts (GossipChat *chat,
1163                                gboolean    show)
1164 {
1165         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1166
1167         if (GOSSIP_CHAT_GET_CLASS (chat)->set_show_contacts) {
1168                 GOSSIP_CHAT_GET_CLASS (chat)->set_show_contacts (chat, show);
1169         }
1170 }
1171
1172 void
1173 gossip_chat_save_geometry (GossipChat *chat,
1174                            gint        x,
1175                            gint        y,
1176                            gint        w,
1177                            gint        h)
1178 {
1179         gossip_geometry_save (gossip_chat_get_id (chat), x, y, w, h);
1180 }
1181
1182 void
1183 gossip_chat_load_geometry (GossipChat *chat,
1184                            gint       *x,
1185                            gint       *y,
1186                            gint       *w,
1187                            gint       *h)
1188 {
1189         gossip_geometry_load (gossip_chat_get_id (chat), x, y, w, h);
1190 }
1191
1192 void
1193 gossip_chat_set_tp_chat (GossipChat    *chat,
1194                          EmpathyTpChat *tp_chat)
1195 {
1196         GossipChatPriv *priv;
1197         GtkWidget      *widget;
1198
1199         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1200         g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
1201
1202         priv = GET_PRIV (chat);
1203
1204         if (tp_chat == priv->tp_chat) {
1205                 return;
1206         }
1207
1208         if (priv->tp_chat) {
1209                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1210                                                       chat_message_received_cb,
1211                                                       chat);
1212                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1213                                                       chat_destroy_cb,
1214                                                       chat);
1215                 g_object_unref (priv->tp_chat);
1216         }
1217
1218         g_free (priv->id);
1219         priv->tp_chat = g_object_ref (tp_chat);
1220         priv->id = g_strdup (empathy_tp_chat_get_id (tp_chat));
1221
1222         g_signal_connect (tp_chat, "message-received",
1223                           G_CALLBACK (chat_message_received_cb),
1224                           chat);
1225         g_signal_connect (tp_chat, "destroy",
1226                           G_CALLBACK (chat_destroy_cb),
1227                           chat);
1228
1229         empathy_tp_chat_request_pending (tp_chat);
1230
1231         if (!priv->sensitive) {
1232                 widget = gossip_chat_get_widget (chat);
1233                 gtk_widget_set_sensitive (widget, TRUE);
1234                 gossip_chat_view_append_event (chat->view, _("Connected"));
1235                 priv->sensitive = TRUE;
1236         }
1237 }
1238
1239 const gchar *
1240 gossip_chat_get_id (GossipChat *chat)
1241 {
1242         GossipChatPriv *priv;
1243
1244         priv = GET_PRIV (chat);
1245
1246         return priv->id;
1247 }
1248
1249 void
1250 gossip_chat_clear (GossipChat *chat)
1251 {
1252         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1253
1254         gossip_chat_view_clear (chat->view);
1255 }
1256
1257 void
1258 gossip_chat_set_window (GossipChat       *chat,
1259                         GossipChatWindow *window)
1260 {
1261         GossipChatPriv *priv;
1262
1263         priv = GET_PRIV (chat);
1264         priv->window = window;
1265 }
1266
1267 GossipChatWindow *
1268 gossip_chat_get_window (GossipChat *chat)
1269 {
1270         GossipChatPriv *priv;
1271
1272         priv = GET_PRIV (chat);
1273
1274         return priv->window;
1275 }
1276
1277 void
1278 gossip_chat_scroll_down (GossipChat *chat)
1279 {
1280         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1281
1282         gossip_chat_view_scroll_down (chat->view);
1283 }
1284
1285 void
1286 gossip_chat_cut (GossipChat *chat)
1287 {
1288         GtkTextBuffer *buffer;
1289
1290         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1291
1292         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1293         if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
1294                 GtkClipboard *clipboard;
1295
1296                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1297
1298                 gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE);
1299         }
1300 }
1301
1302 void
1303 gossip_chat_copy (GossipChat *chat)
1304 {
1305         GtkTextBuffer *buffer;
1306
1307         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1308
1309         if (gossip_chat_view_get_selection_bounds (chat->view, NULL, NULL)) {
1310                 gossip_chat_view_copy_clipboard (chat->view);
1311                 return;
1312         }
1313
1314         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1315         if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
1316                 GtkClipboard *clipboard;
1317
1318                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1319
1320                 gtk_text_buffer_copy_clipboard (buffer, clipboard);
1321         }
1322 }
1323
1324 void
1325 gossip_chat_paste (GossipChat *chat)
1326 {
1327         GtkTextBuffer *buffer;
1328         GtkClipboard  *clipboard;
1329
1330         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1331
1332         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1333         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1334
1335         gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE);
1336 }
1337
1338 void
1339 gossip_chat_present (GossipChat *chat)
1340 {
1341         GossipChatPriv *priv;
1342
1343         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1344
1345         priv = GET_PRIV (chat);
1346
1347         if (priv->window == NULL) {
1348                 GossipChatWindow *window;
1349
1350                 window = gossip_chat_window_get_default ();
1351                 if (!window) {
1352                         window = gossip_chat_window_new ();
1353                 }
1354
1355                 gossip_chat_window_add_chat (window, chat);
1356         }
1357
1358         gossip_chat_window_switch_to_chat (priv->window, chat);
1359         gossip_window_present (
1360                 GTK_WINDOW (gossip_chat_window_get_dialog (priv->window)),
1361                 TRUE);
1362
1363         gtk_widget_grab_focus (chat->input_text_view);
1364 }
1365
1366 gboolean
1367 gossip_chat_should_play_sound (GossipChat *chat)
1368 {
1369         GossipChatWindow *window;
1370         gboolean          play = TRUE;
1371
1372         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
1373
1374         window = gossip_chat_get_window (GOSSIP_CHAT (chat));
1375         if (!window) {
1376                 return TRUE;
1377         }
1378
1379         play = !gossip_chat_window_has_focus (window);
1380
1381         return play;
1382 }
1383
1384 gboolean
1385 gossip_chat_should_highlight_nick (GossipMessage *message)
1386 {
1387         GossipContact *my_contact;
1388         const gchar   *msg, *to;
1389         gchar         *cf_msg, *cf_to;
1390         gchar         *ch;
1391         gboolean       ret_val;
1392
1393         g_return_val_if_fail (GOSSIP_IS_MESSAGE (message), FALSE);
1394
1395         gossip_debug (DEBUG_DOMAIN, "Highlighting nickname");
1396
1397         ret_val = FALSE;
1398
1399         msg = gossip_message_get_body (message);
1400         if (!msg) {
1401                 return FALSE;
1402         }
1403
1404         my_contact = gossip_get_own_contact_from_contact (gossip_message_get_sender (message));
1405         to = gossip_contact_get_name (my_contact);
1406         if (!to) {
1407                 return FALSE;
1408         }
1409
1410         cf_msg = g_utf8_casefold (msg, -1);
1411         cf_to = g_utf8_casefold (to, -1);
1412
1413         ch = strstr (cf_msg, cf_to);
1414         if (ch == NULL) {
1415                 goto finished;
1416         }
1417
1418         if (ch != cf_msg) {
1419                 /* Not first in the message */
1420                 if ((*(ch - 1) != ' ') &&
1421                     (*(ch - 1) != ',') &&
1422                     (*(ch - 1) != '.')) {
1423                         goto finished;
1424                 }
1425         }
1426
1427         ch = ch + strlen (cf_to);
1428         if (ch >= cf_msg + strlen (cf_msg)) {
1429                 ret_val = TRUE;
1430                 goto finished;
1431         }
1432
1433         if ((*ch == ' ') ||
1434             (*ch == ',') ||
1435             (*ch == '.') ||
1436             (*ch == ':')) {
1437                 ret_val = TRUE;
1438                 goto finished;
1439         }
1440
1441 finished:
1442         g_free (cf_msg);
1443         g_free (cf_to);
1444
1445         return ret_val;
1446 }
1447