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
 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
 537         /* Catch enter but not ctrl/shift-enter */
 538         if (IS_ENTER (event->keyval) && !(event->state & GDK_SHIFT_MASK)) {
 539                 GtkTextView *view;
 540
 541                 /* This is to make sure that kinput2 gets the enter. And if
 542                  * it's handled there we shouldn't send on it. This is because
 543                  * kinput2 uses Enter to commit letters. See:
 544                  * http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104299
 545                  */
 546
 547                 view = GTK_TEXT_VIEW (chat->input_text_view);
 548                 if (gtk_im_context_filter_keypress (view->im_context, event)) {
 549                         GTK_TEXT_VIEW (chat->input_text_view)->need_im_reset = TRUE;
 550                         return TRUE;
 551                 }
 552
 553                 chat_input_text_view_send (chat);
 554                 return TRUE;
 555         }
 556
 557         text_view_sw = gtk_widget_get_parent (GTK_WIDGET (chat->view));
 558
 559         if (IS_ENTER (event->keyval) && (event->state & GDK_SHIFT_MASK)) {
 560                 /* Newline for shift-enter. */
 561                 return FALSE;
 562         }
 563         else if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 564                  event->keyval == GDK_Page_Up) {
 565                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 566                 gtk_adjustment_set_value (adj, adj->value - adj->page_size);
 567
 568                 return TRUE;
 569         }
 570         else if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 571                  event->keyval == GDK_Page_Down) {
 572                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 573                 val = MIN (adj->value + adj->page_size, adj->upper - adj->page_size);
 574                 gtk_adjustment_set_value (adj, val);
 575
 576                 return TRUE;
 577         }
 578
 579         return FALSE;
 580 }
 581
 582 static gboolean
 583 chat_text_view_focus_in_event_cb (GtkWidget  *widget,
 584                                   GdkEvent   *event,
 585                                   GossipChat *chat)
 586 {
 587         gtk_widget_grab_focus (chat->input_text_view);
 588
 589         return TRUE;
 590 }
 591
 592 static void
 593 chat_input_text_buffer_changed_cb (GtkTextBuffer *buffer,
 594                                    GossipChat    *chat)
 595 {
 596         GossipChatPriv *priv;
 597         GtkTextIter     start, end;
 598         gchar          *str;
 599         gboolean        spell_checker = FALSE;
 600
 601         priv = GET_PRIV (chat);
 602
 603         if (gtk_text_buffer_get_char_count (buffer) == 0) {
 604                 chat_composing_stop (chat);
 605         } else {
 606                 chat_composing_start (chat);
 607         }
 608
 609         gossip_conf_get_bool (gossip_conf_get (),
 610                               GOSSIP_PREFS_CHAT_SPELL_CHECKER_ENABLED,
 611                               &spell_checker);
 612
 613         if (chat->is_first_char) {
 614                 GtkRequisition  req;
 615                 gint            window_height;
 616                 GtkWidget      *dialog;
 617                 GtkAllocation  *allocation;
 618
 619                 /* Save the window's size */
 620                 dialog = gossip_chat_window_get_dialog (priv->window);
 621                 gtk_window_get_size (GTK_WINDOW (dialog),
 622                                      NULL, &window_height);
 623
 624                 gtk_widget_size_request (chat->input_text_view, &req);
 625
 626                 allocation = &GTK_WIDGET (chat->view)->allocation;
 627
 628                 priv->default_window_height = window_height;
 629                 priv->last_input_height = req.height;
 630                 priv->padding_height = window_height - req.height - allocation->height;
 631
 632                 chat->is_first_char = FALSE;
 633         }
 634
 635         gtk_text_buffer_get_start_iter (buffer, &start);
 636
 637         if (!spell_checker) {
 638                 gtk_text_buffer_get_end_iter (buffer, &end);
 639                 gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 640                 return;
 641         }
 642
 643         if (!gossip_spell_supported ()) {
 644                 return;
 645         }
 646
 647         /* NOTE: this is really inefficient, we shouldn't have to
 648            reiterate the whole buffer each time and check each work
 649            every time. */
 650         while (TRUE) {
 651                 gboolean correct = FALSE;
 652
 653                 /* if at start */
 654                 if (gtk_text_iter_is_start (&start)) {
 655                         end = start;
 656
 657                         if (!gtk_text_iter_forward_word_end (&end)) {
 658                                 /* no whole word yet */
 659                                 break;
 660                         }
 661                 } else {
 662                         if (!gtk_text_iter_forward_word_end (&end)) {
 663                                 /* must be the end of the buffer */
 664                                 break;
 665                         }
 666
 667                         start = end;
 668                         gtk_text_iter_backward_word_start (&start);
 669                 }
 670
 671                 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 672
 673                 /* spell check string */
 674                 if (!gossip_chat_get_is_command (str)) {
 675                         correct = gossip_spell_check (str);
 676                 } else {
 677                         correct = TRUE;
 678                 }
 679
 680                 if (!correct) {
 681                         gtk_text_buffer_apply_tag_by_name (buffer, "misspelled", &start, &end);
 682                 } else {
 683                         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 684                 }
 685
 686                 g_free (str);
 687
 688                 /* set start iter to the end iters position */
 689                 start = end;
 690         }
 691 }
 692
 693 typedef struct {
 694         GtkWidget *window;
 695         gint       width;
 696         gint       height;
 697 } ChangeSizeData;
 698
 699 static gboolean
 700 chat_change_size_in_idle_cb (ChangeSizeData *data)
 701 {
 702         gtk_window_resize (GTK_WINDOW (data->window),
 703                            data->width, data->height);
 704
 705         return FALSE;
 706 }
 707
 708 static void
 709 chat_text_view_scroll_hide_cb (GtkWidget  *widget,
 710                                GossipChat *chat)
 711 {
 712         GossipChatPriv *priv;
 713         GtkWidget      *sw;
 714
 715         priv = GET_PRIV (chat);
 716
 717         priv->vscroll_visible = FALSE;
 718         g_signal_handlers_disconnect_by_func (widget, chat_text_view_scroll_hide_cb, chat);
 719
 720         sw = gtk_widget_get_parent (chat->input_text_view);
 721         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 722                                         GTK_POLICY_NEVER,
 723                                         GTK_POLICY_NEVER);
 724         g_object_set (sw, "height-request", -1, NULL);
 725 }
 726
 727 static void
 728 chat_text_view_size_allocate_cb (GtkWidget     *widget,
 729                                  GtkAllocation *allocation,
 730                                  GossipChat    *chat)
 731 {
 732         GossipChatPriv *priv;
 733         gint            width;
 734         GtkWidget      *dialog;
 735         ChangeSizeData *data;
 736         gint            window_height;
 737         gint            new_height;
 738         GtkAllocation  *view_allocation;
 739         gint            current_height;
 740         gint            diff;
 741         GtkWidget      *sw;
 742
 743         priv = GET_PRIV (chat);
 744
 745         if (priv->default_window_height <= 0) {
 746                 return;
 747         }
 748
 749         sw = gtk_widget_get_parent (widget);
 750         if (sw->allocation.height >= MAX_INPUT_HEIGHT && !priv->vscroll_visible) {
 751                 GtkWidget *vscroll;
 752
 753                 priv->vscroll_visible = TRUE;
 754                 gtk_widget_set_size_request (sw, sw->allocation.width, MAX_INPUT_HEIGHT);
 755                 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 756                                                 GTK_POLICY_NEVER,
 757                                                 GTK_POLICY_AUTOMATIC);
 758                 vscroll = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (sw));
 759                 g_signal_connect (vscroll, "hide",
 760                                   G_CALLBACK (chat_text_view_scroll_hide_cb),
 761                                   chat);
 762         }
 763
 764         if (priv->last_input_height <= allocation->height) {
 765                 priv->last_input_height = allocation->height;
 766                 return;
 767         }
 768
 769         diff = priv->last_input_height - allocation->height;
 770         priv->last_input_height = allocation->height;
 771
 772         view_allocation = &GTK_WIDGET (chat->view)->allocation;
 773
 774         dialog = gossip_chat_window_get_dialog (priv->window);
 775         gtk_window_get_size (GTK_WINDOW (dialog), NULL, &current_height);
 776
 777         new_height = view_allocation->height + priv->padding_height + allocation->height - diff;
 778
 779         if (new_height <= priv->default_window_height) {
 780                 window_height = priv->default_window_height;
 781         } else {
 782                 window_height = new_height;
 783         }
 784
 785         if (current_height <= window_height) {
 786                 return;
 787         }
 788
 789         /* Restore the window's size */
 790         gtk_window_get_size (GTK_WINDOW (dialog), &width, NULL);
 791
 792         data = g_new0 (ChangeSizeData, 1);
 793         data->window = dialog;
 794         data->width  = width;
 795         data->height = window_height;
 796
 797         g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
 798                          (GSourceFunc) chat_change_size_in_idle_cb,
 799                          data, g_free);
 800 }
 801
 802 static void
 803 chat_text_view_realize_cb (GtkWidget  *widget,
 804                            GossipChat *chat)
 805 {
 806         gossip_debug (DEBUG_DOMAIN, "Setting focus to the input text view");
 807         gtk_widget_grab_focus (widget);
 808 }
 809
 810 static void
 811 chat_insert_smiley_activate_cb (GtkWidget  *menuitem,
 812                                 GossipChat *chat)
 813 {
 814         GtkTextBuffer *buffer;
 815         GtkTextIter    iter;
 816         const gchar   *smiley;
 817
 818         smiley = g_object_get_data (G_OBJECT (menuitem), "smiley_text");
 819
 820         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 821
 822         gtk_text_buffer_get_end_iter (buffer, &iter);
 823         gtk_text_buffer_insert (buffer, &iter, smiley, -1);
 824
 825         gtk_text_buffer_get_end_iter (buffer, &iter);
 826         gtk_text_buffer_insert (buffer, &iter, " ", -1);
 827 }
 828
 829 static void
 830 chat_text_populate_popup_cb (GtkTextView *view,
 831                              GtkMenu     *menu,
 832                              GossipChat  *chat)
 833 {
 834         GossipChatPriv  *priv;
 835         GtkTextBuffer   *buffer;
 836         GtkTextTagTable *table;
 837         GtkTextTag      *tag;
 838         gint             x, y;
 839         GtkTextIter      iter, start, end;
 840         GtkWidget       *item;
 841         gchar           *str = NULL;
 842         GossipChatSpell *chat_spell;
 843         GtkWidget       *smiley_menu;
 844
 845         priv = GET_PRIV (chat);
 846
 847         /* Add the emoticon menu. */
 848         item = gtk_separator_menu_item_new ();
 849         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 850         gtk_widget_show (item);
 851
 852         item = gtk_menu_item_new_with_mnemonic (_("Insert Smiley"));
 853         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 854         gtk_widget_show (item);
 855
 856         smiley_menu = gossip_chat_view_get_smiley_menu (
 857                 G_CALLBACK (chat_insert_smiley_activate_cb),
 858                 chat,
 859                 priv->tooltips);
 860         gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu);
 861
 862         /* Add the spell check menu item. */
 863         buffer = gtk_text_view_get_buffer (view);
 864         table = gtk_text_buffer_get_tag_table (buffer);
 865
 866         tag = gtk_text_tag_table_lookup (table, "misspelled");
 867
 868         gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
 869
 870         gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
 871                                                GTK_TEXT_WINDOW_WIDGET,
 872                                                x, y,
 873                                                &x, &y);
 874
 875         gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y);
 876
 877         start = end = iter;
 878
 879         if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
 880             gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
 881
 882                 str = gtk_text_buffer_get_text (buffer,
 883                                                 &start, &end, FALSE);
 884         }
 885
 886         if (G_STR_EMPTY (str)) {
 887                 return;
 888         }
 889
 890         chat_spell = chat_spell_new (chat, str, start, end);
 891
 892         g_object_set_data_full (G_OBJECT (menu),
 893                                 "chat_spell", chat_spell,
 894                                 (GDestroyNotify) chat_spell_free);
 895
 896         item = gtk_separator_menu_item_new ();
 897         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 898         gtk_widget_show (item);
 899
 900         item = gtk_menu_item_new_with_mnemonic (_("_Check Word Spelling..."));
 901         g_signal_connect (item,
 902                           "activate",
 903                           G_CALLBACK (chat_text_check_word_spelling_cb),
 904                           chat_spell);
 905         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 906         gtk_widget_show (item);
 907 }
 908
 909 static void
 910 chat_text_check_word_spelling_cb (GtkMenuItem     *menuitem,
 911                                   GossipChatSpell *chat_spell)
 912 {
 913 /*FIXME:        gossip_spell_dialog_show (chat_spell->chat,
 914                                   chat_spell->start,
 915                                   chat_spell->end,
 916                                   chat_spell->word);*/
 917 }
 918
 919 static GossipChatSpell *
 920 chat_spell_new (GossipChat  *chat,
 921                 const gchar *word,
 922                 GtkTextIter  start,
 923                 GtkTextIter  end)
 924 {
 925         GossipChatSpell *chat_spell;
 926
 927         chat_spell = g_new0 (GossipChatSpell, 1);
 928
 929         chat_spell->chat = g_object_ref (chat);
 930         chat_spell->word = g_strdup (word);
 931         chat_spell->start = start;
 932         chat_spell->end = end;
 933
 934         return chat_spell;
 935 }
 936
 937 static void
 938 chat_spell_free (GossipChatSpell *chat_spell)
 939 {
 940         g_object_unref (chat_spell->chat);
 941         g_free (chat_spell->word);
 942         g_free (chat_spell);
 943 }
 944
 945 static void
 946 chat_composing_start (GossipChat *chat)
 947 {
 948         GossipChatPriv *priv;
 949
 950         priv = GET_PRIV (chat);
 951
 952         if (priv->composing_stop_timeout_id) {
 953                 /* Just restart the timeout */
 954                 chat_composing_remove_timeout (chat);
 955         } else {
 956         /* FIXME:
 957                 gossip_session_send_composing (gossip_app_get_session (),
 958                                                priv->contact, TRUE);
 959                                               */
 960         }
 961
 962         priv->composing_stop_timeout_id = g_timeout_add (
 963                 1000 * COMPOSING_STOP_TIMEOUT,
 964                 (GSourceFunc) chat_composing_stop_timeout_cb,
 965                 chat);
 966 }
 967
 968 static void
 969 chat_composing_stop (GossipChat *chat)
 970 {
 971         GossipChatPriv *priv;
 972
 973         priv = GET_PRIV (chat);
 974
 975         chat_composing_remove_timeout (chat);
 976         /* FIXME:
 977         gossip_session_send_composing (gossip_app_get_session (),
 978                                        priv->contact, FALSE);*/
 979 }
 980
 981 static void
 982 chat_composing_remove_timeout (GossipChat *chat)
 983 {
 984         GossipChatPriv *priv;
 985
 986         priv = GET_PRIV (chat);
 987
 988         if (priv->composing_stop_timeout_id) {
 989                 g_source_remove (priv->composing_stop_timeout_id);
 990                 priv->composing_stop_timeout_id = 0;
 991         }
 992 }
 993
 994 static gboolean
 995 chat_composing_stop_timeout_cb (GossipChat *chat)
 996 {
 997         GossipChatPriv *priv;
 998
 999         priv = GET_PRIV (chat);
1000
1001         priv->composing_stop_timeout_id = 0;
1002         /* FIXME:
1003         gossip_session_send_composing (gossip_app_get_session (),
1004                                        priv->contact, FALSE);*/
1005
1006         return FALSE;
1007 }
1008
1009 gboolean
1010 gossip_chat_get_is_command (const gchar *str)
1011 {
1012         g_return_val_if_fail (str != NULL, FALSE);
1013
1014         if (str[0] != '/') {
1015                 return FALSE;
1016         }
1017
1018         if (g_str_has_prefix (str, "/me")) {
1019                 return TRUE;
1020         }
1021         else if (g_str_has_prefix (str, "/nick")) {
1022                 return TRUE;
1023         }
1024         else if (g_str_has_prefix (str, "/topic")) {
1025                 return TRUE;
1026         }
1027
1028         return FALSE;
1029 }
1030
1031 void
1032 gossip_chat_correct_word (GossipChat  *chat,
1033                           GtkTextIter  start,
1034                           GtkTextIter  end,
1035                           const gchar *new_word)
1036 {
1037         GtkTextBuffer *buffer;
1038
1039         g_return_if_fail (chat != NULL);
1040         g_return_if_fail (new_word != NULL);
1041
1042         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1043
1044         gtk_text_buffer_delete (buffer, &start, &end);
1045         gtk_text_buffer_insert (buffer, &start,
1046                                 new_word,
1047                                 -1);
1048 }
1049
1050 const gchar *
1051 gossip_chat_get_name (GossipChat *chat)
1052 {
1053         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
1054
1055         if (GOSSIP_CHAT_GET_CLASS (chat)->get_name) {
1056                 return GOSSIP_CHAT_GET_CLASS (chat)->get_name (chat);
1057         }
1058
1059         return NULL;
1060 }
1061
1062 gchar *
1063 gossip_chat_get_tooltip (GossipChat *chat)
1064 {
1065         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
1066
1067         if (GOSSIP_CHAT_GET_CLASS (chat)->get_tooltip) {
1068                 return GOSSIP_CHAT_GET_CLASS (chat)->get_tooltip (chat);
1069         }
1070
1071         return NULL;
1072 }
1073
1074 GdkPixbuf *
1075 gossip_chat_get_status_pixbuf (GossipChat *chat)
1076 {
1077         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
1078
1079         if (GOSSIP_CHAT_GET_CLASS (chat)->get_status_pixbuf) {
1080                 return GOSSIP_CHAT_GET_CLASS (chat)->get_status_pixbuf (chat);
1081         }
1082
1083         return NULL;
1084 }
1085
1086 GossipContact *
1087 gossip_chat_get_contact (GossipChat *chat)
1088 {
1089         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
1090
1091         if (GOSSIP_CHAT_GET_CLASS (chat)->get_contact) {
1092                 return GOSSIP_CHAT_GET_CLASS (chat)->get_contact (chat);
1093         }
1094
1095         return NULL;
1096 }
1097 GossipContact *
1098 gossip_chat_get_own_contact (GossipChat *chat)
1099 {
1100         EmpathyContactManager *manager;
1101
1102         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
1103
1104         manager = empathy_session_get_contact_manager ();
1105
1106         return empathy_contact_manager_get_own (manager, chat->account);
1107 }
1108
1109 GtkWidget *
1110 gossip_chat_get_widget (GossipChat *chat)
1111 {
1112         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
1113
1114         if (GOSSIP_CHAT_GET_CLASS (chat)->get_widget) {
1115                 return GOSSIP_CHAT_GET_CLASS (chat)->get_widget (chat);
1116         }
1117
1118         return NULL;
1119 }
1120
1121 gboolean
1122 gossip_chat_is_group_chat (GossipChat *chat)
1123 {
1124         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
1125
1126         if (GOSSIP_CHAT_GET_CLASS (chat)->is_group_chat) {
1127                 return GOSSIP_CHAT_GET_CLASS (chat)->is_group_chat (chat);
1128         }
1129
1130         return FALSE;
1131 }
1132
1133 gboolean
1134 gossip_chat_is_connected (GossipChat *chat)
1135 {
1136         GossipChatPriv *priv;
1137
1138         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
1139
1140         priv = GET_PRIV (chat);
1141
1142         return (priv->tp_chat != NULL);
1143 }
1144
1145 gboolean
1146 gossip_chat_get_show_contacts (GossipChat *chat)
1147 {
1148         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
1149
1150         if (GOSSIP_CHAT_GET_CLASS (chat)->get_show_contacts) {
1151                 return GOSSIP_CHAT_GET_CLASS (chat)->get_show_contacts (chat);
1152         }
1153
1154         return FALSE;
1155 }
1156
1157 void
1158 gossip_chat_set_show_contacts (GossipChat *chat,
1159                                gboolean    show)
1160 {
1161         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1162
1163         if (GOSSIP_CHAT_GET_CLASS (chat)->set_show_contacts) {
1164                 GOSSIP_CHAT_GET_CLASS (chat)->set_show_contacts (chat, show);
1165         }
1166 }
1167
1168 void
1169 gossip_chat_save_geometry (GossipChat *chat,
1170                            gint        x,
1171                            gint        y,
1172                            gint        w,
1173                            gint        h)
1174 {
1175         gossip_geometry_save (gossip_chat_get_id (chat), x, y, w, h);
1176 }
1177
1178 void
1179 gossip_chat_load_geometry (GossipChat *chat,
1180                            gint       *x,
1181                            gint       *y,
1182                            gint       *w,
1183                            gint       *h)
1184 {
1185         gossip_geometry_load (gossip_chat_get_id (chat), x, y, w, h);
1186 }
1187
1188 void
1189 gossip_chat_set_tp_chat (GossipChat    *chat,
1190                          EmpathyTpChat *tp_chat)
1191 {
1192         GossipChatPriv *priv;
1193         GtkWidget      *widget;
1194
1195         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1196         g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
1197
1198         priv = GET_PRIV (chat);
1199
1200         if (tp_chat == priv->tp_chat) {
1201                 return;
1202         }
1203
1204         if (priv->tp_chat) {
1205                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1206                                                       chat_message_received_cb,
1207                                                       chat);
1208                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1209                                                       chat_destroy_cb,
1210                                                       chat);
1211                 g_object_unref (priv->tp_chat);
1212         }
1213
1214         g_free (priv->id);
1215         priv->tp_chat = g_object_ref (tp_chat);
1216         priv->id = g_strdup (empathy_tp_chat_get_id (tp_chat));
1217
1218         g_signal_connect (tp_chat, "message-received",
1219                           G_CALLBACK (chat_message_received_cb),
1220                           chat);
1221         g_signal_connect (tp_chat, "destroy",
1222                           G_CALLBACK (chat_destroy_cb),
1223                           chat);
1224
1225         empathy_tp_chat_request_pending (tp_chat);
1226
1227         if (!priv->sensitive) {
1228                 widget = gossip_chat_get_widget (chat);
1229                 gtk_widget_set_sensitive (widget, TRUE);
1230                 gossip_chat_view_append_event (chat->view, _("Connected"));
1231                 priv->sensitive = TRUE;
1232         }
1233 }
1234
1235 const gchar *
1236 gossip_chat_get_id (GossipChat *chat)
1237 {
1238         GossipChatPriv *priv;
1239
1240         priv = GET_PRIV (chat);
1241
1242         return priv->id;
1243 }
1244
1245 void
1246 gossip_chat_clear (GossipChat *chat)
1247 {
1248         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1249
1250         gossip_chat_view_clear (chat->view);
1251 }
1252
1253 void
1254 gossip_chat_set_window (GossipChat       *chat,
1255                         GossipChatWindow *window)
1256 {
1257         GossipChatPriv *priv;
1258
1259         priv = GET_PRIV (chat);
1260         priv->window = window;
1261 }
1262
1263 GossipChatWindow *
1264 gossip_chat_get_window (GossipChat *chat)
1265 {
1266         GossipChatPriv *priv;
1267
1268         priv = GET_PRIV (chat);
1269
1270         return priv->window;
1271 }
1272
1273 void
1274 gossip_chat_scroll_down (GossipChat *chat)
1275 {
1276         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1277
1278         gossip_chat_view_scroll_down (chat->view);
1279 }
1280
1281 void
1282 gossip_chat_cut (GossipChat *chat)
1283 {
1284         GtkTextBuffer *buffer;
1285
1286         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1287
1288         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1289         if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
1290                 GtkClipboard *clipboard;
1291
1292                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1293
1294                 gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE);
1295         }
1296 }
1297
1298 void
1299 gossip_chat_copy (GossipChat *chat)
1300 {
1301         GtkTextBuffer *buffer;
1302
1303         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1304
1305         if (gossip_chat_view_get_selection_bounds (chat->view, NULL, NULL)) {
1306                 gossip_chat_view_copy_clipboard (chat->view);
1307                 return;
1308         }
1309
1310         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1311         if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
1312                 GtkClipboard *clipboard;
1313
1314                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1315
1316                 gtk_text_buffer_copy_clipboard (buffer, clipboard);
1317         }
1318 }
1319
1320 void
1321 gossip_chat_paste (GossipChat *chat)
1322 {
1323         GtkTextBuffer *buffer;
1324         GtkClipboard  *clipboard;
1325
1326         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1327
1328         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1329         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1330
1331         gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE);
1332 }
1333
1334 void
1335 gossip_chat_present (GossipChat *chat)
1336 {
1337         GossipChatPriv *priv;
1338
1339         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1340
1341         priv = GET_PRIV (chat);
1342
1343         if (priv->window == NULL) {
1344                 GossipChatWindow *window;
1345
1346                 window = gossip_chat_window_get_default ();
1347                 if (!window) {
1348                         window = gossip_chat_window_new ();
1349                 }
1350
1351                 gossip_chat_window_add_chat (window, chat);
1352         }
1353
1354         gossip_chat_window_switch_to_chat (priv->window, chat);
1355         gossip_window_present (
1356                 GTK_WINDOW (gossip_chat_window_get_dialog (priv->window)),
1357                 TRUE);
1358
1359         gtk_widget_grab_focus (chat->input_text_view);
1360 }
1361
1362 gboolean
1363 gossip_chat_should_play_sound (GossipChat *chat)
1364 {
1365         GossipChatWindow *window;
1366         gboolean          play = TRUE;
1367
1368         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
1369
1370         window = gossip_chat_get_window (GOSSIP_CHAT (chat));
1371         if (!window) {
1372                 return TRUE;
1373         }
1374
1375         play = !gossip_chat_window_has_focus (window);
1376
1377         return play;
1378 }
1379
1380 gboolean
1381 gossip_chat_should_highlight_nick (GossipMessage *message)
1382 {
1383         GossipContact *my_contact;
1384         const gchar   *msg, *to;
1385         gchar         *cf_msg, *cf_to;
1386         gchar         *ch;
1387         gboolean       ret_val;
1388
1389         g_return_val_if_fail (GOSSIP_IS_MESSAGE (message), FALSE);
1390
1391         gossip_debug (DEBUG_DOMAIN, "Highlighting nickname");
1392
1393         ret_val = FALSE;
1394
1395         msg = gossip_message_get_body (message);
1396         if (!msg) {
1397                 return FALSE;
1398         }
1399
1400         my_contact = gossip_get_own_contact_from_contact (gossip_message_get_sender (message));
1401         to = gossip_contact_get_name (my_contact);
1402         if (!to) {
1403                 return FALSE;
1404         }
1405
1406         cf_msg = g_utf8_casefold (msg, -1);
1407         cf_to = g_utf8_casefold (to, -1);
1408
1409         ch = strstr (cf_msg, cf_to);
1410         if (ch == NULL) {
1411                 goto finished;
1412         }
1413
1414         if (ch != cf_msg) {
1415                 /* Not first in the message */
1416                 if ((*(ch - 1) != ' ') &&
1417                     (*(ch - 1) != ',') &&
1418                     (*(ch - 1) != '.')) {
1419                         goto finished;
1420                 }
1421         }
1422
1423         ch = ch + strlen (cf_to);
1424         if (ch >= cf_msg + strlen (cf_msg)) {
1425                 ret_val = TRUE;
1426                 goto finished;
1427         }
1428
1429         if ((*ch == ' ') ||
1430             (*ch == ',') ||
1431             (*ch == '.') ||
1432             (*ch == ':')) {
1433                 ret_val = TRUE;
1434                 goto finished;
1435         }
1436
1437 finished:
1438         g_free (cf_msg);
1439         g_free (cf_to);
1440
1441         return ret_val;
1442 }
1443