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-contact-manager.h>
  39 #include <libempathy/gossip-debug.h>
  40 #include <libempathy/gossip-utils.h>
  41 #include <libempathy/gossip-conf.h>
  42 #include <libempathy/empathy-marshal.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         EmpathyContactManager *manager;
  67         EmpathyTpChat         *tp_chat;
  68         GossipChatWindow      *window;
  69
  70         GtkTooltips           *tooltips;
  71         guint                  composing_stop_timeout_id;
  72         gboolean               sensitive;
  73         gchar                 *id;
  74         GSList                *sent_messages;
  75         gint                   sent_messages_index;
  76         /* Used to automatically shrink a window that has temporarily
  77          * grown due to long input.
  78          */
  79         gint                   padding_height;
  80         gint                   default_window_height;
  81         gint                   last_input_height;
  82         gboolean               vscroll_visible;
  83 };
  84
  85 typedef struct {
  86         GossipChat  *chat;
  87         gchar       *word;
  88
  89         GtkTextIter  start;
  90         GtkTextIter  end;
  91 } GossipChatSpell;
  92
  93 static void             gossip_chat_class_init            (GossipChatClass *klass);
  94 static void             gossip_chat_init                  (GossipChat      *chat);
  95 static void             chat_finalize                     (GObject         *object);
  96 static void             chat_destroy_cb                   (EmpathyTpChat   *tp_chat,
  97                                                            GossipChat      *chat);
  98 static void             chat_send                         (GossipChat      *chat,
  99                                                            const gchar     *msg);
 100 static void             chat_input_text_view_send         (GossipChat      *chat);
 101 static void             chat_message_received_cb          (EmpathyTpChat   *tp_chat,
 102                                                            GossipMessage   *message,
 103                                                            GossipChat      *chat);
 104 void                    chat_sent_message_add             (GossipChat      *chat,
 105                                                            const gchar     *str);
 106 const gchar *           chat_sent_message_get_next        (GossipChat      *chat);
 107 const gchar *           chat_sent_message_get_last        (GossipChat      *chat);
 108 static gboolean         chat_input_key_press_event_cb     (GtkWidget       *widget,
 109                                                            GdkEventKey     *event,
 110                                                            GossipChat      *chat);
 111 static void             chat_input_text_buffer_changed_cb (GtkTextBuffer   *buffer,
 112                                                            GossipChat      *chat);
 113 static gboolean         chat_text_view_focus_in_event_cb  (GtkWidget       *widget,
 114                                                            GdkEvent        *event,
 115                                                            GossipChat      *chat);
 116 static void             chat_text_view_scroll_hide_cb     (GtkWidget       *widget,
 117                                                            GossipChat      *chat);
 118 static void             chat_text_view_size_allocate_cb   (GtkWidget       *widget,
 119                                                            GtkAllocation   *allocation,
 120                                                            GossipChat      *chat);
 121 static void             chat_text_view_realize_cb         (GtkWidget       *widget,
 122                                                            GossipChat      *chat);
 123 static void             chat_text_populate_popup_cb       (GtkTextView     *view,
 124                                                            GtkMenu         *menu,
 125                                                            GossipChat      *chat);
 126 static void             chat_text_check_word_spelling_cb  (GtkMenuItem     *menuitem,
 127                                                            GossipChatSpell *chat_spell);
 128 static GossipChatSpell *chat_spell_new                    (GossipChat      *chat,
 129                                                            const gchar     *word,
 130                                                            GtkTextIter      start,
 131                                                            GtkTextIter      end);
 132 static void             chat_spell_free                   (GossipChatSpell *chat_spell);
 133 static void             chat_composing_start              (GossipChat      *chat);
 134 static void             chat_composing_stop               (GossipChat      *chat);
 135 static void             chat_composing_remove_timeout     (GossipChat      *chat);
 136 static gboolean         chat_composing_stop_timeout_cb    (GossipChat      *chat);
 137 static void             chat_state_changed_cb             (EmpathyTpChat   *tp_chat,
 138                                                            GossipContact   *contact,
 139                                                            TelepathyChannelChatState  state,
 140                                                            GossipChat      *chat);
 141
 142 enum {
 143         COMPOSING,
 144         NEW_MESSAGE,
 145         NAME_CHANGED,
 146         STATUS_CHANGED,
 147         LAST_SIGNAL
 148 };
 149
 150 static guint chat_signals[LAST_SIGNAL] = { 0 };
 151
 152 G_DEFINE_TYPE (GossipChat, gossip_chat, G_TYPE_OBJECT);
 153
 154 static void
 155 gossip_chat_class_init (GossipChatClass *klass)
 156 {
 157         GObjectClass *object_class;
 158
 159         object_class = G_OBJECT_CLASS (klass);
 160
 161         object_class->finalize = chat_finalize;
 162
 163         chat_signals[COMPOSING] =
 164                 g_signal_new ("composing",
 165                               G_OBJECT_CLASS_TYPE (object_class),
 166                               G_SIGNAL_RUN_LAST,
 167                               0,
 168                               NULL, NULL,
 169                               g_cclosure_marshal_VOID__BOOLEAN,
 170                               G_TYPE_NONE,
 171                               1, G_TYPE_BOOLEAN);
 172
 173         chat_signals[NEW_MESSAGE] =
 174                 g_signal_new ("new-message",
 175                               G_OBJECT_CLASS_TYPE (object_class),
 176                               G_SIGNAL_RUN_LAST,
 177                               0,
 178                               NULL, NULL,
 179                               empathy_marshal_VOID__OBJECT_BOOLEAN,
 180                               G_TYPE_NONE,
 181                               2, GOSSIP_TYPE_MESSAGE, G_TYPE_BOOLEAN);
 182
 183         chat_signals[NAME_CHANGED] =
 184                 g_signal_new ("name-changed",
 185                               G_OBJECT_CLASS_TYPE (object_class),
 186                               G_SIGNAL_RUN_LAST,
 187                               0,
 188                               NULL, NULL,
 189                               g_cclosure_marshal_VOID__POINTER,
 190                               G_TYPE_NONE,
 191                               1, G_TYPE_POINTER);
 192
 193         chat_signals[STATUS_CHANGED] =
 194                 g_signal_new ("status-changed",
 195                               G_OBJECT_CLASS_TYPE (object_class),
 196                               G_SIGNAL_RUN_LAST,
 197                               0,
 198                               NULL, NULL,
 199                               g_cclosure_marshal_VOID__VOID,
 200                               G_TYPE_NONE,
 201                               0);
 202
 203         g_type_class_add_private (object_class, sizeof (GossipChatPriv));
 204 }
 205
 206 static void
 207 gossip_chat_init (GossipChat *chat)
 208 {
 209         GossipChatPriv *priv;
 210         GtkTextBuffer  *buffer;
 211
 212         chat->view = gossip_chat_view_new ();
 213         chat->input_text_view = gtk_text_view_new ();
 214
 215         chat->is_first_char = TRUE;
 216
 217         g_object_set (chat->input_text_view,
 218                       "pixels-above-lines", 2,
 219                       "pixels-below-lines", 2,
 220                       "pixels-inside-wrap", 1,
 221                       "right-margin", 2,
 222                       "left-margin", 2,
 223                       "wrap-mode", GTK_WRAP_WORD_CHAR,
 224                       NULL);
 225
 226         priv = GET_PRIV (chat);
 227
 228         priv->manager = empathy_contact_manager_new ();
 229         priv->tooltips = gtk_tooltips_new ();
 230         priv->default_window_height = -1;
 231         priv->vscroll_visible = FALSE;
 232         priv->sensitive = TRUE;
 233         priv->sent_messages = NULL;
 234         priv->sent_messages_index = -1;
 235
 236         g_signal_connect (chat->input_text_view,
 237                           "key_press_event",
 238                           G_CALLBACK (chat_input_key_press_event_cb),
 239                           chat);
 240
 241         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 242         g_signal_connect (buffer,
 243                           "changed",
 244                           G_CALLBACK (chat_input_text_buffer_changed_cb),
 245                           chat);
 246         g_signal_connect (chat->view,
 247                           "focus_in_event",
 248                           G_CALLBACK (chat_text_view_focus_in_event_cb),
 249                           chat);
 250
 251         g_signal_connect (chat->input_text_view,
 252                           "size_allocate",
 253                           G_CALLBACK (chat_text_view_size_allocate_cb),
 254                           chat);
 255
 256         g_signal_connect (chat->input_text_view,
 257                           "realize",
 258                           G_CALLBACK (chat_text_view_realize_cb),
 259                           chat);
 260
 261         g_signal_connect (GTK_TEXT_VIEW (chat->input_text_view),
 262                           "populate_popup",
 263                           G_CALLBACK (chat_text_populate_popup_cb),
 264                           chat);
 265
 266         /* create misspelt words identification tag */
 267         gtk_text_buffer_create_tag (buffer,
 268                                     "misspelled",
 269                                     "underline", PANGO_UNDERLINE_ERROR,
 270                                     NULL);
 271 }
 272
 273 static void
 274 chat_finalize (GObject *object)
 275 {
 276         GossipChat     *chat;
 277         GossipChatPriv *priv;
 278
 279         chat = GOSSIP_CHAT (object);
 280         priv = GET_PRIV (chat);
 281
 282         gossip_debug (DEBUG_DOMAIN, "Finalized: %p", object);
 283
 284         g_slist_foreach (priv->sent_messages, (GFunc) g_free, NULL);
 285         g_slist_free (priv->sent_messages);
 286
 287         chat_composing_remove_timeout (chat);
 288         g_object_unref (chat->account);
 289         g_object_unref (priv->manager);
 290
 291         if (priv->tp_chat) {
 292                 g_object_unref (priv->tp_chat);
 293         }
 294
 295         g_free (priv->id);
 296
 297         G_OBJECT_CLASS (gossip_chat_parent_class)->finalize (object);
 298 }
 299
 300 static void
 301 chat_destroy_cb (EmpathyTpChat *tp_chat,
 302                  GossipChat    *chat)
 303 {
 304         GossipChatPriv *priv;
 305         GtkWidget      *widget;
 306
 307         priv = GET_PRIV (chat);
 308
 309         if (priv->tp_chat) {
 310                 g_object_unref (priv->tp_chat);
 311                 priv->tp_chat = NULL;
 312         }
 313
 314         gossip_chat_view_append_event (chat->view, _("Disconnected"));
 315
 316         widget = gossip_chat_get_widget (chat);
 317         gtk_widget_set_sensitive (widget, FALSE);
 318         priv->sensitive = FALSE;
 319 }
 320
 321 static void
 322 chat_send (GossipChat  *chat,
 323            const gchar *msg)
 324 {
 325         GossipChatPriv   *priv;
 326         //GossipLogManager *log_manager;
 327         GossipMessage    *message;
 328         GossipContact    *own_contact;
 329
 330         priv = GET_PRIV (chat);
 331
 332         if (G_STR_EMPTY (msg)) {
 333                 return;
 334         }
 335
 336         chat_sent_message_add (chat, msg);
 337
 338         if (g_str_has_prefix (msg, "/clear")) {
 339                 gossip_chat_view_clear (chat->view);
 340                 return;
 341         }
 342
 343         /* FIXME: gossip_app_set_not_away ();*/
 344
 345         own_contact = gossip_chat_get_own_contact (chat);
 346         message = gossip_message_new (msg);
 347         gossip_message_set_sender (message, own_contact);
 348
 349         //FIXME: log_manager = gossip_session_get_log_manager (gossip_app_get_session ());
 350         //gossip_log_message_for_contact (log_manager, message, FALSE);
 351
 352         empathy_tp_chat_send (priv->tp_chat, message);
 353
 354         g_object_unref (message);
 355 }
 356
 357 static void
 358 chat_input_text_view_send (GossipChat *chat)
 359 {
 360         GossipChatPriv *priv;
 361         GtkTextBuffer  *buffer;
 362         GtkTextIter     start, end;
 363         gchar          *msg;
 364
 365         priv = GET_PRIV (chat);
 366
 367         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 368
 369         gtk_text_buffer_get_bounds (buffer, &start, &end);
 370         msg = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 371
 372         /* clear the input field */
 373         gtk_text_buffer_set_text (buffer, "", -1);
 374
 375         chat_send (chat, msg);
 376
 377         g_free (msg);
 378
 379         chat->is_first_char = TRUE;
 380 }
 381
 382 static void
 383 chat_message_received_cb (EmpathyTpChat *tp_chat,
 384                           GossipMessage *message,
 385                           GossipChat    *chat)
 386 {
 387         GossipChatPriv *priv;
 388         //GossipLogManager      *log_manager;
 389         GossipContact         *sender;
 390
 391         priv = GET_PRIV (chat);
 392
 393         sender = gossip_message_get_sender (message);
 394         gossip_debug (DEBUG_DOMAIN, "Appending message ('%s')",
 395                       gossip_contact_get_name (sender));
 396
 397 /*FIXME:
 398         log_manager = gossip_session_get_log_manager (gossip_app_get_session ());
 399         gossip_log_message_for_contact (log_manager, message, TRUE);
 400 */
 401         gossip_chat_view_append_message (chat->view, message);
 402
 403         if (gossip_chat_should_play_sound (chat)) {
 404                 // FIXME: gossip_sound_play (GOSSIP_SOUND_CHAT);
 405         }
 406
 407         g_signal_emit_by_name (chat, "new-message", message, FALSE);
 408 }
 409
 410 void
 411 chat_sent_message_add (GossipChat  *chat,
 412                        const gchar *str)
 413 {
 414         GossipChatPriv *priv;
 415         GSList         *list;
 416         GSList         *item;
 417
 418         priv = GET_PRIV (chat);
 419
 420         /* Save the sent message in our repeat buffer */
 421         list = priv->sent_messages;
 422
 423         /* Remove any other occurances of this msg */
 424         while ((item = g_slist_find_custom (list, str, (GCompareFunc) strcmp)) != NULL) {
 425                 list = g_slist_remove_link (list, item);
 426                 g_free (item->data);
 427                 g_slist_free1 (item);
 428         }
 429
 430         /* Trim the list to the last 10 items */
 431         while (g_slist_length (list) > 10) {
 432                 item = g_slist_last (list);
 433                 if (item) {
 434                         list = g_slist_remove_link (list, item);
 435                         g_free (item->data);
 436                         g_slist_free1 (item);
 437                 }
 438         }
 439
 440         /* Add new message */
 441         list = g_slist_prepend (list, g_strdup (str));
 442
 443         /* Set list and reset the index */
 444         priv->sent_messages = list;
 445         priv->sent_messages_index = -1;
 446 }
 447
 448 const gchar *
 449 chat_sent_message_get_next (GossipChat *chat)
 450 {
 451         GossipChatPriv *priv;
 452         gint            max;
 453
 454         priv = GET_PRIV (chat);
 455
 456         if (!priv->sent_messages) {
 457                 gossip_debug (DEBUG_DOMAIN,
 458                               "No sent messages, next message is NULL");
 459                 return NULL;
 460         }
 461
 462         max = g_slist_length (priv->sent_messages) - 1;
 463
 464         if (priv->sent_messages_index < max) {
 465                 priv->sent_messages_index++;
 466         }
 467
 468         gossip_debug (DEBUG_DOMAIN,
 469                       "Returning next message index:%d",
 470                       priv->sent_messages_index);
 471
 472         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 473 }
 474
 475 const gchar *
 476 chat_sent_message_get_last (GossipChat *chat)
 477 {
 478         GossipChatPriv *priv;
 479
 480         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
 481
 482         priv = GET_PRIV (chat);
 483
 484         if (!priv->sent_messages) {
 485                 gossip_debug (DEBUG_DOMAIN,
 486                               "No sent messages, last message is NULL");
 487                 return NULL;
 488         }
 489
 490         if (priv->sent_messages_index >= 0) {
 491                 priv->sent_messages_index--;
 492         }
 493
 494         gossip_debug (DEBUG_DOMAIN,
 495                       "Returning last message index:%d",
 496                       priv->sent_messages_index);
 497
 498         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 499 }
 500
 501 static gboolean
 502 chat_input_key_press_event_cb (GtkWidget   *widget,
 503                                GdkEventKey *event,
 504                                GossipChat  *chat)
 505 {
 506         GossipChatPriv *priv;
 507         GtkAdjustment  *adj;
 508         gdouble         val;
 509         GtkWidget      *text_view_sw;
 510
 511         priv = GET_PRIV (chat);
 512
 513         if (event->keyval == GDK_Tab && !(event->state & GDK_CONTROL_MASK)) {
 514                 return TRUE;
 515         }
 516
 517         /* Catch ctrl+up/down so we can traverse messages we sent */
 518         if ((event->state & GDK_CONTROL_MASK) &&
 519             (event->keyval == GDK_Up ||
 520              event->keyval == GDK_Down)) {
 521                 GtkTextBuffer *buffer;
 522                 const gchar   *str;
 523
 524                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 525
 526                 if (event->keyval == GDK_Up) {
 527                         str = chat_sent_message_get_next (chat);
 528                 } else {
 529                         str = chat_sent_message_get_last (chat);
 530                 }
 531
 532                 g_signal_handlers_block_by_func (buffer,
 533                                                  chat_input_text_buffer_changed_cb,
 534                                                  chat);
 535                 gtk_text_buffer_set_text (buffer, str ? str : "", -1);
 536                 g_signal_handlers_unblock_by_func (buffer,
 537                                                    chat_input_text_buffer_changed_cb,
 538                                                    chat);
 539
 540                 return TRUE;
 541         }
 542
 543         /* Catch enter but not ctrl/shift-enter */
 544         if (IS_ENTER (event->keyval) && !(event->state & GDK_SHIFT_MASK)) {
 545                 GtkTextView *view;
 546
 547                 /* This is to make sure that kinput2 gets the enter. And if
 548                  * it's handled there we shouldn't send on it. This is because
 549                  * kinput2 uses Enter to commit letters. See:
 550                  * http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104299
 551                  */
 552
 553                 view = GTK_TEXT_VIEW (chat->input_text_view);
 554                 if (gtk_im_context_filter_keypress (view->im_context, event)) {
 555                         GTK_TEXT_VIEW (chat->input_text_view)->need_im_reset = TRUE;
 556                         return TRUE;
 557                 }
 558
 559                 chat_input_text_view_send (chat);
 560                 return TRUE;
 561         }
 562
 563         text_view_sw = gtk_widget_get_parent (GTK_WIDGET (chat->view));
 564
 565         if (IS_ENTER (event->keyval) && (event->state & GDK_SHIFT_MASK)) {
 566                 /* Newline for shift-enter. */
 567                 return FALSE;
 568         }
 569         else if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 570                  event->keyval == GDK_Page_Up) {
 571                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 572                 gtk_adjustment_set_value (adj, adj->value - adj->page_size);
 573
 574                 return TRUE;
 575         }
 576         else if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 577                  event->keyval == GDK_Page_Down) {
 578                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 579                 val = MIN (adj->value + adj->page_size, adj->upper - adj->page_size);
 580                 gtk_adjustment_set_value (adj, val);
 581
 582                 return TRUE;
 583         }
 584
 585         return FALSE;
 586 }
 587
 588 static gboolean
 589 chat_text_view_focus_in_event_cb (GtkWidget  *widget,
 590                                   GdkEvent   *event,
 591                                   GossipChat *chat)
 592 {
 593         gtk_widget_grab_focus (chat->input_text_view);
 594
 595         return TRUE;
 596 }
 597
 598 static void
 599 chat_input_text_buffer_changed_cb (GtkTextBuffer *buffer,
 600                                    GossipChat    *chat)
 601 {
 602         GossipChatPriv *priv;
 603         GtkTextIter     start, end;
 604         gchar          *str;
 605         gboolean        spell_checker = FALSE;
 606
 607         priv = GET_PRIV (chat);
 608
 609         if (gtk_text_buffer_get_char_count (buffer) == 0) {
 610                 chat_composing_stop (chat);
 611         } else {
 612                 chat_composing_start (chat);
 613         }
 614
 615         gossip_conf_get_bool (gossip_conf_get (),
 616                               GOSSIP_PREFS_CHAT_SPELL_CHECKER_ENABLED,
 617                               &spell_checker);
 618
 619         if (chat->is_first_char) {
 620                 GtkRequisition  req;
 621                 gint            window_height;
 622                 GtkWidget      *dialog;
 623                 GtkAllocation  *allocation;
 624
 625                 /* Save the window's size */
 626                 dialog = gossip_chat_window_get_dialog (priv->window);
 627                 gtk_window_get_size (GTK_WINDOW (dialog),
 628                                      NULL, &window_height);
 629
 630                 gtk_widget_size_request (chat->input_text_view, &req);
 631
 632                 allocation = &GTK_WIDGET (chat->view)->allocation;
 633
 634                 priv->default_window_height = window_height;
 635                 priv->last_input_height = req.height;
 636                 priv->padding_height = window_height - req.height - allocation->height;
 637
 638                 chat->is_first_char = FALSE;
 639         }
 640
 641         gtk_text_buffer_get_start_iter (buffer, &start);
 642
 643         if (!spell_checker) {
 644                 gtk_text_buffer_get_end_iter (buffer, &end);
 645                 gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 646                 return;
 647         }
 648
 649         if (!gossip_spell_supported ()) {
 650                 return;
 651         }
 652
 653         /* NOTE: this is really inefficient, we shouldn't have to
 654            reiterate the whole buffer each time and check each work
 655            every time. */
 656         while (TRUE) {
 657                 gboolean correct = FALSE;
 658
 659                 /* if at start */
 660                 if (gtk_text_iter_is_start (&start)) {
 661                         end = start;
 662
 663                         if (!gtk_text_iter_forward_word_end (&end)) {
 664                                 /* no whole word yet */
 665                                 break;
 666                         }
 667                 } else {
 668                         if (!gtk_text_iter_forward_word_end (&end)) {
 669                                 /* must be the end of the buffer */
 670                                 break;
 671                         }
 672
 673                         start = end;
 674                         gtk_text_iter_backward_word_start (&start);
 675                 }
 676
 677                 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 678
 679                 /* spell check string */
 680                 if (!gossip_chat_get_is_command (str)) {
 681                         correct = gossip_spell_check (str);
 682                 } else {
 683                         correct = TRUE;
 684                 }
 685
 686                 if (!correct) {
 687                         gtk_text_buffer_apply_tag_by_name (buffer, "misspelled", &start, &end);
 688                 } else {
 689                         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 690                 }
 691
 692                 g_free (str);
 693
 694                 /* set start iter to the end iters position */
 695                 start = end;
 696         }
 697 }
 698
 699 typedef struct {
 700         GtkWidget *window;
 701         gint       width;
 702         gint       height;
 703 } ChangeSizeData;
 704
 705 static gboolean
 706 chat_change_size_in_idle_cb (ChangeSizeData *data)
 707 {
 708         gtk_window_resize (GTK_WINDOW (data->window),
 709                            data->width, data->height);
 710
 711         return FALSE;
 712 }
 713
 714 static void
 715 chat_text_view_scroll_hide_cb (GtkWidget  *widget,
 716                                GossipChat *chat)
 717 {
 718         GossipChatPriv *priv;
 719         GtkWidget      *sw;
 720
 721         priv = GET_PRIV (chat);
 722
 723         priv->vscroll_visible = FALSE;
 724         g_signal_handlers_disconnect_by_func (widget, chat_text_view_scroll_hide_cb, chat);
 725
 726         sw = gtk_widget_get_parent (chat->input_text_view);
 727         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 728                                         GTK_POLICY_NEVER,
 729                                         GTK_POLICY_NEVER);
 730         g_object_set (sw, "height-request", -1, NULL);
 731 }
 732
 733 static void
 734 chat_text_view_size_allocate_cb (GtkWidget     *widget,
 735                                  GtkAllocation *allocation,
 736                                  GossipChat    *chat)
 737 {
 738         GossipChatPriv *priv;
 739         gint            width;
 740         GtkWidget      *dialog;
 741         ChangeSizeData *data;
 742         gint            window_height;
 743         gint            new_height;
 744         GtkAllocation  *view_allocation;
 745         gint            current_height;
 746         gint            diff;
 747         GtkWidget      *sw;
 748
 749         priv = GET_PRIV (chat);
 750
 751         if (priv->default_window_height <= 0) {
 752                 return;
 753         }
 754
 755         sw = gtk_widget_get_parent (widget);
 756         if (sw->allocation.height >= MAX_INPUT_HEIGHT && !priv->vscroll_visible) {
 757                 GtkWidget *vscroll;
 758
 759                 priv->vscroll_visible = TRUE;
 760                 gtk_widget_set_size_request (sw, sw->allocation.width, MAX_INPUT_HEIGHT);
 761                 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 762                                                 GTK_POLICY_NEVER,
 763                                                 GTK_POLICY_AUTOMATIC);
 764                 vscroll = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (sw));
 765                 g_signal_connect (vscroll, "hide",
 766                                   G_CALLBACK (chat_text_view_scroll_hide_cb),
 767                                   chat);
 768         }
 769
 770         if (priv->last_input_height <= allocation->height) {
 771                 priv->last_input_height = allocation->height;
 772                 return;
 773         }
 774
 775         diff = priv->last_input_height - allocation->height;
 776         priv->last_input_height = allocation->height;
 777
 778         view_allocation = &GTK_WIDGET (chat->view)->allocation;
 779
 780         dialog = gossip_chat_window_get_dialog (priv->window);
 781         gtk_window_get_size (GTK_WINDOW (dialog), NULL, &current_height);
 782
 783         new_height = view_allocation->height + priv->padding_height + allocation->height - diff;
 784
 785         if (new_height <= priv->default_window_height) {
 786                 window_height = priv->default_window_height;
 787         } else {
 788                 window_height = new_height;
 789         }
 790
 791         if (current_height <= window_height) {
 792                 return;
 793         }
 794
 795         /* Restore the window's size */
 796         gtk_window_get_size (GTK_WINDOW (dialog), &width, NULL);
 797
 798         data = g_new0 (ChangeSizeData, 1);
 799         data->window = dialog;
 800         data->width  = width;
 801         data->height = window_height;
 802
 803         g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
 804                          (GSourceFunc) chat_change_size_in_idle_cb,
 805                          data, g_free);
 806 }
 807
 808 static void
 809 chat_text_view_realize_cb (GtkWidget  *widget,
 810                            GossipChat *chat)
 811 {
 812         gossip_debug (DEBUG_DOMAIN, "Setting focus to the input text view");
 813         gtk_widget_grab_focus (widget);
 814 }
 815
 816 static void
 817 chat_insert_smiley_activate_cb (GtkWidget  *menuitem,
 818                                 GossipChat *chat)
 819 {
 820         GtkTextBuffer *buffer;
 821         GtkTextIter    iter;
 822         const gchar   *smiley;
 823
 824         smiley = g_object_get_data (G_OBJECT (menuitem), "smiley_text");
 825
 826         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 827
 828         gtk_text_buffer_get_end_iter (buffer, &iter);
 829         gtk_text_buffer_insert (buffer, &iter, smiley, -1);
 830
 831         gtk_text_buffer_get_end_iter (buffer, &iter);
 832         gtk_text_buffer_insert (buffer, &iter, " ", -1);
 833 }
 834
 835 static void
 836 chat_text_populate_popup_cb (GtkTextView *view,
 837                              GtkMenu     *menu,
 838                              GossipChat  *chat)
 839 {
 840         GossipChatPriv  *priv;
 841         GtkTextBuffer   *buffer;
 842         GtkTextTagTable *table;
 843         GtkTextTag      *tag;
 844         gint             x, y;
 845         GtkTextIter      iter, start, end;
 846         GtkWidget       *item;
 847         gchar           *str = NULL;
 848         GossipChatSpell *chat_spell;
 849         GtkWidget       *smiley_menu;
 850
 851         priv = GET_PRIV (chat);
 852
 853         /* Add the emoticon menu. */
 854         item = gtk_separator_menu_item_new ();
 855         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 856         gtk_widget_show (item);
 857
 858         item = gtk_menu_item_new_with_mnemonic (_("Insert Smiley"));
 859         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 860         gtk_widget_show (item);
 861
 862         smiley_menu = gossip_chat_view_get_smiley_menu (
 863                 G_CALLBACK (chat_insert_smiley_activate_cb),
 864                 chat,
 865                 priv->tooltips);
 866         gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu);
 867
 868         /* Add the spell check menu item. */
 869         buffer = gtk_text_view_get_buffer (view);
 870         table = gtk_text_buffer_get_tag_table (buffer);
 871
 872         tag = gtk_text_tag_table_lookup (table, "misspelled");
 873
 874         gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
 875
 876         gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
 877                                                GTK_TEXT_WINDOW_WIDGET,
 878                                                x, y,
 879                                                &x, &y);
 880
 881         gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y);
 882
 883         start = end = iter;
 884
 885         if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
 886             gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
 887
 888                 str = gtk_text_buffer_get_text (buffer,
 889                                                 &start, &end, FALSE);
 890         }
 891
 892         if (G_STR_EMPTY (str)) {
 893                 return;
 894         }
 895
 896         chat_spell = chat_spell_new (chat, str, start, end);
 897
 898         g_object_set_data_full (G_OBJECT (menu),
 899                                 "chat_spell", chat_spell,
 900                                 (GDestroyNotify) chat_spell_free);
 901
 902         item = gtk_separator_menu_item_new ();
 903         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 904         gtk_widget_show (item);
 905
 906         item = gtk_menu_item_new_with_mnemonic (_("_Check Word Spelling..."));
 907         g_signal_connect (item,
 908                           "activate",
 909                           G_CALLBACK (chat_text_check_word_spelling_cb),
 910                           chat_spell);
 911         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 912         gtk_widget_show (item);
 913 }
 914
 915 static void
 916 chat_text_check_word_spelling_cb (GtkMenuItem     *menuitem,
 917                                   GossipChatSpell *chat_spell)
 918 {
 919 /*FIXME:        gossip_spell_dialog_show (chat_spell->chat,
 920                                   chat_spell->start,
 921                                   chat_spell->end,
 922                                   chat_spell->word);*/
 923 }
 924
 925 static GossipChatSpell *
 926 chat_spell_new (GossipChat  *chat,
 927                 const gchar *word,
 928                 GtkTextIter  start,
 929                 GtkTextIter  end)
 930 {
 931         GossipChatSpell *chat_spell;
 932
 933         chat_spell = g_new0 (GossipChatSpell, 1);
 934
 935         chat_spell->chat = g_object_ref (chat);
 936         chat_spell->word = g_strdup (word);
 937         chat_spell->start = start;
 938         chat_spell->end = end;
 939
 940         return chat_spell;
 941 }
 942
 943 static void
 944 chat_spell_free (GossipChatSpell *chat_spell)
 945 {
 946         g_object_unref (chat_spell->chat);
 947         g_free (chat_spell->word);
 948         g_free (chat_spell);
 949 }
 950
 951 static void
 952 chat_composing_start (GossipChat *chat)
 953 {
 954         GossipChatPriv *priv;
 955
 956         priv = GET_PRIV (chat);
 957
 958         if (priv->composing_stop_timeout_id) {
 959                 /* Just restart the timeout */
 960                 chat_composing_remove_timeout (chat);
 961         } else {
 962                 empathy_tp_chat_set_state (priv->tp_chat,
 963                                            TP_CHANNEL_CHAT_STATE_COMPOSING);
 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         empathy_tp_chat_set_state (priv->tp_chat,
 981                                    TP_CHANNEL_CHAT_STATE_ACTIVE);
 982 }
 983
 984 static void
 985 chat_composing_remove_timeout (GossipChat *chat)
 986 {
 987         GossipChatPriv *priv;
 988
 989         priv = GET_PRIV (chat);
 990
 991         if (priv->composing_stop_timeout_id) {
 992                 g_source_remove (priv->composing_stop_timeout_id);
 993                 priv->composing_stop_timeout_id = 0;
 994         }
 995 }
 996
 997 static gboolean
 998 chat_composing_stop_timeout_cb (GossipChat *chat)
 999 {
1000         GossipChatPriv *priv;
1001
1002         priv = GET_PRIV (chat);
1003
1004         priv->composing_stop_timeout_id = 0;
1005         empathy_tp_chat_set_state (priv->tp_chat,
1006                                    TP_CHANNEL_CHAT_STATE_PAUSED);
1007
1008         return FALSE;
1009 }
1010
1011 static void
1012 chat_state_changed_cb (EmpathyTpChat             *tp_chat,
1013                        GossipContact             *contact,
1014                        TelepathyChannelChatState  state,
1015                        GossipChat                *chat)
1016 {
1017         /* FIXME: not yet implemented */
1018 }
1019
1020 gboolean
1021 gossip_chat_get_is_command (const gchar *str)
1022 {
1023         g_return_val_if_fail (str != NULL, FALSE);
1024
1025         if (str[0] != '/') {
1026                 return FALSE;
1027         }
1028
1029         if (g_str_has_prefix (str, "/me")) {
1030                 return TRUE;
1031         }
1032         else if (g_str_has_prefix (str, "/nick")) {
1033                 return TRUE;
1034         }
1035         else if (g_str_has_prefix (str, "/topic")) {
1036                 return TRUE;
1037         }
1038
1039         return FALSE;
1040 }
1041
1042 void
1043 gossip_chat_correct_word (GossipChat  *chat,
1044                           GtkTextIter  start,
1045                           GtkTextIter  end,
1046                           const gchar *new_word)
1047 {
1048         GtkTextBuffer *buffer;
1049
1050         g_return_if_fail (chat != NULL);
1051         g_return_if_fail (new_word != NULL);
1052
1053         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1054
1055         gtk_text_buffer_delete (buffer, &start, &end);
1056         gtk_text_buffer_insert (buffer, &start,
1057                                 new_word,
1058                                 -1);
1059 }
1060
1061 const gchar *
1062 gossip_chat_get_name (GossipChat *chat)
1063 {
1064         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
1065
1066         if (GOSSIP_CHAT_GET_CLASS (chat)->get_name) {
1067                 return GOSSIP_CHAT_GET_CLASS (chat)->get_name (chat);
1068         }
1069
1070         return NULL;
1071 }
1072
1073 gchar *
1074 gossip_chat_get_tooltip (GossipChat *chat)
1075 {
1076         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
1077
1078         if (GOSSIP_CHAT_GET_CLASS (chat)->get_tooltip) {
1079                 return GOSSIP_CHAT_GET_CLASS (chat)->get_tooltip (chat);
1080         }
1081
1082         return NULL;
1083 }
1084
1085 const gchar *
1086 gossip_chat_get_status_icon_name (GossipChat *chat)
1087 {
1088         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
1089
1090         if (GOSSIP_CHAT_GET_CLASS (chat)->get_status_icon_name) {
1091                 return GOSSIP_CHAT_GET_CLASS (chat)->get_status_icon_name (chat);
1092         }
1093
1094         return NULL;
1095 }
1096
1097 GossipContact *
1098 gossip_chat_get_contact (GossipChat *chat)
1099 {
1100         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
1101
1102         if (GOSSIP_CHAT_GET_CLASS (chat)->get_contact) {
1103                 return GOSSIP_CHAT_GET_CLASS (chat)->get_contact (chat);
1104         }
1105
1106         return NULL;
1107 }
1108 GossipContact *
1109 gossip_chat_get_own_contact (GossipChat *chat)
1110 {
1111         GossipChatPriv *priv;
1112
1113         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
1114
1115         priv = GET_PRIV (chat);
1116
1117         return empathy_contact_manager_get_own (priv->manager, chat->account);
1118 }
1119
1120 GtkWidget *
1121 gossip_chat_get_widget (GossipChat *chat)
1122 {
1123         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
1124
1125         if (GOSSIP_CHAT_GET_CLASS (chat)->get_widget) {
1126                 return GOSSIP_CHAT_GET_CLASS (chat)->get_widget (chat);
1127         }
1128
1129         return NULL;
1130 }
1131
1132 gboolean
1133 gossip_chat_is_group_chat (GossipChat *chat)
1134 {
1135         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
1136
1137         if (GOSSIP_CHAT_GET_CLASS (chat)->is_group_chat) {
1138                 return GOSSIP_CHAT_GET_CLASS (chat)->is_group_chat (chat);
1139         }
1140
1141         return FALSE;
1142 }
1143
1144 gboolean
1145 gossip_chat_is_connected (GossipChat *chat)
1146 {
1147         GossipChatPriv *priv;
1148
1149         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
1150
1151         priv = GET_PRIV (chat);
1152
1153         return (priv->tp_chat != NULL);
1154 }
1155
1156 gboolean
1157 gossip_chat_get_show_contacts (GossipChat *chat)
1158 {
1159         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
1160
1161         if (GOSSIP_CHAT_GET_CLASS (chat)->get_show_contacts) {
1162                 return GOSSIP_CHAT_GET_CLASS (chat)->get_show_contacts (chat);
1163         }
1164
1165         return FALSE;
1166 }
1167
1168 void
1169 gossip_chat_set_show_contacts (GossipChat *chat,
1170                                gboolean    show)
1171 {
1172         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1173
1174         if (GOSSIP_CHAT_GET_CLASS (chat)->set_show_contacts) {
1175                 GOSSIP_CHAT_GET_CLASS (chat)->set_show_contacts (chat, show);
1176         }
1177 }
1178
1179 void
1180 gossip_chat_save_geometry (GossipChat *chat,
1181                            gint        x,
1182                            gint        y,
1183                            gint        w,
1184                            gint        h)
1185 {
1186         gossip_geometry_save (gossip_chat_get_id (chat), x, y, w, h);
1187 }
1188
1189 void
1190 gossip_chat_load_geometry (GossipChat *chat,
1191                            gint       *x,
1192                            gint       *y,
1193                            gint       *w,
1194                            gint       *h)
1195 {
1196         gossip_geometry_load (gossip_chat_get_id (chat), x, y, w, h);
1197 }
1198
1199 void
1200 gossip_chat_set_tp_chat (GossipChat    *chat,
1201                          EmpathyTpChat *tp_chat)
1202 {
1203         GossipChatPriv *priv;
1204         GtkWidget      *widget;
1205
1206         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1207         g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
1208
1209         priv = GET_PRIV (chat);
1210
1211         if (tp_chat == priv->tp_chat) {
1212                 return;
1213         }
1214
1215         if (priv->tp_chat) {
1216                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1217                                                       chat_message_received_cb,
1218                                                       chat);
1219                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1220                                                       chat_destroy_cb,
1221                                                       chat);
1222                 g_object_unref (priv->tp_chat);
1223         }
1224
1225         g_free (priv->id);
1226         priv->tp_chat = g_object_ref (tp_chat);
1227         priv->id = g_strdup (empathy_tp_chat_get_id (tp_chat));
1228
1229         g_signal_connect (tp_chat, "message-received",
1230                           G_CALLBACK (chat_message_received_cb),
1231                           chat);
1232         g_signal_connect (tp_chat, "chat-state-changed",
1233                           G_CALLBACK (chat_state_changed_cb),
1234                           chat);
1235         g_signal_connect (tp_chat, "destroy",
1236                           G_CALLBACK (chat_destroy_cb),
1237                           chat);
1238
1239         empathy_tp_chat_request_pending (tp_chat);
1240
1241         if (!priv->sensitive) {
1242                 widget = gossip_chat_get_widget (chat);
1243                 gtk_widget_set_sensitive (widget, TRUE);
1244                 gossip_chat_view_append_event (chat->view, _("Connected"));
1245                 priv->sensitive = TRUE;
1246         }
1247 }
1248
1249 const gchar *
1250 gossip_chat_get_id (GossipChat *chat)
1251 {
1252         GossipChatPriv *priv;
1253
1254         priv = GET_PRIV (chat);
1255
1256         return priv->id;
1257 }
1258
1259 void
1260 gossip_chat_clear (GossipChat *chat)
1261 {
1262         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1263
1264         gossip_chat_view_clear (chat->view);
1265 }
1266
1267 void
1268 gossip_chat_set_window (GossipChat       *chat,
1269                         GossipChatWindow *window)
1270 {
1271         GossipChatPriv *priv;
1272
1273         priv = GET_PRIV (chat);
1274         priv->window = window;
1275 }
1276
1277 GossipChatWindow *
1278 gossip_chat_get_window (GossipChat *chat)
1279 {
1280         GossipChatPriv *priv;
1281
1282         priv = GET_PRIV (chat);
1283
1284         return priv->window;
1285 }
1286
1287 void
1288 gossip_chat_scroll_down (GossipChat *chat)
1289 {
1290         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1291
1292         gossip_chat_view_scroll_down (chat->view);
1293 }
1294
1295 void
1296 gossip_chat_cut (GossipChat *chat)
1297 {
1298         GtkTextBuffer *buffer;
1299
1300         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1301
1302         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1303         if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
1304                 GtkClipboard *clipboard;
1305
1306                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1307
1308                 gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE);
1309         }
1310 }
1311
1312 void
1313 gossip_chat_copy (GossipChat *chat)
1314 {
1315         GtkTextBuffer *buffer;
1316
1317         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1318
1319         if (gossip_chat_view_get_selection_bounds (chat->view, NULL, NULL)) {
1320                 gossip_chat_view_copy_clipboard (chat->view);
1321                 return;
1322         }
1323
1324         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1325         if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
1326                 GtkClipboard *clipboard;
1327
1328                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1329
1330                 gtk_text_buffer_copy_clipboard (buffer, clipboard);
1331         }
1332 }
1333
1334 void
1335 gossip_chat_paste (GossipChat *chat)
1336 {
1337         GtkTextBuffer *buffer;
1338         GtkClipboard  *clipboard;
1339
1340         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1341
1342         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1343         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1344
1345         gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE);
1346 }
1347
1348 void
1349 gossip_chat_present (GossipChat *chat)
1350 {
1351         GossipChatPriv *priv;
1352
1353         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1354
1355         priv = GET_PRIV (chat);
1356
1357         if (priv->window == NULL) {
1358                 GossipChatWindow *window;
1359
1360                 window = gossip_chat_window_get_default ();
1361                 if (!window) {
1362                         window = gossip_chat_window_new ();
1363                 }
1364
1365                 gossip_chat_window_add_chat (window, chat);
1366         }
1367
1368         gossip_chat_window_switch_to_chat (priv->window, chat);
1369         gossip_window_present (
1370                 GTK_WINDOW (gossip_chat_window_get_dialog (priv->window)),
1371                 TRUE);
1372
1373         gtk_widget_grab_focus (chat->input_text_view);
1374 }
1375
1376 gboolean
1377 gossip_chat_should_play_sound (GossipChat *chat)
1378 {
1379         GossipChatWindow *window;
1380         gboolean          play = TRUE;
1381
1382         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
1383
1384         window = gossip_chat_get_window (chat);
1385         if (!window) {
1386                 return TRUE;
1387         }
1388
1389         play = !gossip_chat_window_has_focus (window);
1390
1391         return play;
1392 }
1393
1394 gboolean
1395 gossip_chat_should_highlight_nick (GossipMessage *message)
1396 {
1397         GossipContact *my_contact;
1398         const gchar   *msg, *to;
1399         gchar         *cf_msg, *cf_to;
1400         gchar         *ch;
1401         gboolean       ret_val;
1402
1403         g_return_val_if_fail (GOSSIP_IS_MESSAGE (message), FALSE);
1404
1405         gossip_debug (DEBUG_DOMAIN, "Highlighting nickname");
1406
1407         ret_val = FALSE;
1408
1409         msg = gossip_message_get_body (message);
1410         if (!msg) {
1411                 return FALSE;
1412         }
1413
1414         my_contact = gossip_get_own_contact_from_contact (gossip_message_get_sender (message));
1415         to = gossip_contact_get_name (my_contact);
1416         if (!to) {
1417                 return FALSE;
1418         }
1419
1420         cf_msg = g_utf8_casefold (msg, -1);
1421         cf_to = g_utf8_casefold (to, -1);
1422
1423         ch = strstr (cf_msg, cf_to);
1424         if (ch == NULL) {
1425                 goto finished;
1426         }
1427
1428         if (ch != cf_msg) {
1429                 /* Not first in the message */
1430                 if ((*(ch - 1) != ' ') &&
1431                     (*(ch - 1) != ',') &&
1432                     (*(ch - 1) != '.')) {
1433                         goto finished;
1434                 }
1435         }
1436
1437         ch = ch + strlen (cf_to);
1438         if (ch >= cf_msg + strlen (cf_msg)) {
1439                 ret_val = TRUE;
1440                 goto finished;
1441         }
1442
1443         if ((*ch == ' ') ||
1444             (*ch == ',') ||
1445             (*ch == '.') ||
1446             (*ch == ':')) {
1447                 ret_val = TRUE;
1448                 goto finished;
1449         }
1450
1451 finished:
1452         g_free (cf_msg);
1453         g_free (cf_to);
1454
1455         return ret_val;
1456 }
1457