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  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation; either version 2 of the
   8  * License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public
  16  * License along with this program; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  *
  20  * Authors: Mikael Hallendal <micke@imendio.com>
  21  *          Richard Hult <richard@imendio.com>
  22  *          Martyn Russell <martyn@imendio.com>
  23  *          Geert-Jan Van den Bogaerde <geertjan@gnome.org>
  24  */
  25
  26 #include "config.h"
  27
  28 #include <string.h>
  29 #include <stdlib.h>
  30
  31 #include <gdk/gdkkeysyms.h>
  32 #include <glib/gi18n.h>
  33 #include <gtk/gtk.h>
  34 #include <glade/glade.h>
  35
  36 #include <libempathy/empathy-session.h>
  37 #include <libempathy/empathy-contact-manager.h>
  38 #include <libempathy/gossip-debug.h>
  39 #include <libempathy/gossip-utils.h>
  40 #include <libempathy/gossip-conf.h>
  41
  42 #include "gossip-chat.h"
  43 #include "gossip-chat-window.h"
  44 //#include "gossip-geometry.h"
  45 #include "gossip-preferences.h"
  46 #include "gossip-spell.h"
  47 //#include "gossip-spell-dialog.h"
  48 #include "gossip-ui-utils.h"
  49
  50 #define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GOSSIP_TYPE_CHAT, GossipChatPriv))
  51
  52 #define DEBUG_DOMAIN "Chat"
  53
  54 #define CHAT_DIR_CREATE_MODE  (S_IRUSR | S_IWUSR | S_IXUSR)
  55 #define CHAT_FILE_CREATE_MODE (S_IRUSR | S_IWUSR)
  56
  57 #define IS_ENTER(v) (v == GDK_Return || v == GDK_ISO_Enter || v == GDK_KP_Enter)
  58
  59 #define MAX_INPUT_HEIGHT 150
  60
  61 #define COMPOSING_STOP_TIMEOUT 5
  62
  63 struct _GossipChatPriv {
  64         EmpathyTpChat    *tp_chat;
  65         GossipChatWindow *window;
  66
  67         GtkTooltips      *tooltips;
  68         guint             composing_stop_timeout_id;
  69         gboolean          sensitive;
  70         /* Used to automatically shrink a window that has temporarily
  71          * grown due to long input.
  72          */
  73         gint              padding_height;
  74         gint              default_window_height;
  75         gint              last_input_height;
  76         gboolean          vscroll_visible;
  77 };
  78
  79 typedef struct {
  80         GossipChat  *chat;
  81         gchar       *word;
  82
  83         GtkTextIter  start;
  84         GtkTextIter  end;
  85 } GossipChatSpell;
  86
  87 static void             gossip_chat_class_init            (GossipChatClass *klass);
  88 static void             gossip_chat_init                  (GossipChat      *chat);
  89 static void             chat_finalize                     (GObject         *object);
  90 static void             chat_destroy_cb                   (EmpathyTpChat   *tp_chat,
  91                                                            GossipChat      *chat);
  92 static void             chat_send                         (GossipChat      *chat,
  93                                                            const gchar     *msg);
  94 static void             chat_input_text_view_send         (GossipChat      *chat);
  95 static void             chat_message_received_cb          (EmpathyTpChat   *tp_chat,
  96                                                            GossipMessage   *message,
  97                                                            GossipChat      *chat);
  98 static gboolean         chat_input_key_press_event_cb     (GtkWidget       *widget,
  99                                                            GdkEventKey     *event,
 100                                                            GossipChat      *chat);
 101 static void             chat_input_text_buffer_changed_cb (GtkTextBuffer   *buffer,
 102                                                            GossipChat      *chat);
 103 static gboolean         chat_text_view_focus_in_event_cb  (GtkWidget       *widget,
 104                                                            GdkEvent        *event,
 105                                                            GossipChat      *chat);
 106 static void             chat_text_view_scroll_hide_cb     (GtkWidget       *widget,
 107                                                            GossipChat      *chat);
 108 static void             chat_text_view_size_allocate_cb   (GtkWidget       *widget,
 109                                                            GtkAllocation   *allocation,
 110                                                            GossipChat      *chat);
 111 static void             chat_text_view_realize_cb         (GtkWidget       *widget,
 112                                                            GossipChat      *chat);
 113 static void             chat_text_populate_popup_cb       (GtkTextView     *view,
 114                                                            GtkMenu         *menu,
 115                                                            GossipChat      *chat);
 116 static void             chat_text_check_word_spelling_cb  (GtkMenuItem     *menuitem,
 117                                                            GossipChatSpell *chat_spell);
 118 static GossipChatSpell *chat_spell_new                    (GossipChat      *chat,
 119                                                            const gchar     *word,
 120                                                            GtkTextIter      start,
 121                                                            GtkTextIter      end);
 122 static void             chat_spell_free                   (GossipChatSpell *chat_spell);
 123 static void             chat_composing_start              (GossipChat      *chat);
 124 static void             chat_composing_stop               (GossipChat      *chat);
 125 static void             chat_composing_remove_timeout     (GossipChat      *chat);
 126 static gboolean         chat_composing_stop_timeout_cb    (GossipChat      *chat);
 127
 128 enum {
 129         COMPOSING,
 130         NEW_MESSAGE,
 131         NAME_CHANGED,
 132         STATUS_CHANGED,
 133         LAST_SIGNAL
 134 };
 135
 136 static guint chat_signals[LAST_SIGNAL] = { 0 };
 137
 138 G_DEFINE_TYPE (GossipChat, gossip_chat, G_TYPE_OBJECT);
 139
 140 static void
 141 gossip_chat_class_init (GossipChatClass *klass)
 142 {
 143         GObjectClass *object_class;
 144
 145         object_class = G_OBJECT_CLASS (klass);
 146
 147         object_class->finalize = chat_finalize;
 148
 149         chat_signals[COMPOSING] =
 150                 g_signal_new ("composing",
 151                               G_OBJECT_CLASS_TYPE (object_class),
 152                               G_SIGNAL_RUN_LAST,
 153                               0,
 154                               NULL, NULL,
 155                               g_cclosure_marshal_VOID__BOOLEAN,
 156                               G_TYPE_NONE,
 157                               1, G_TYPE_BOOLEAN);
 158
 159         chat_signals[NEW_MESSAGE] =
 160                 g_signal_new ("new-message",
 161                               G_OBJECT_CLASS_TYPE (object_class),
 162                               G_SIGNAL_RUN_LAST,
 163                               0,
 164                               NULL, NULL,
 165                               g_cclosure_marshal_VOID__OBJECT,
 166                               G_TYPE_NONE,
 167                               1, GOSSIP_TYPE_MESSAGE);
 168
 169         chat_signals[NAME_CHANGED] =
 170                 g_signal_new ("name-changed",
 171                               G_OBJECT_CLASS_TYPE (object_class),
 172                               G_SIGNAL_RUN_LAST,
 173                               0,
 174                               NULL, NULL,
 175                               g_cclosure_marshal_VOID__POINTER,
 176                               G_TYPE_NONE,
 177                               1, G_TYPE_POINTER);
 178
 179         chat_signals[STATUS_CHANGED] =
 180                 g_signal_new ("status-changed",
 181                               G_OBJECT_CLASS_TYPE (object_class),
 182                               G_SIGNAL_RUN_LAST,
 183                               0,
 184                               NULL, NULL,
 185                               g_cclosure_marshal_VOID__VOID,
 186                               G_TYPE_NONE,
 187                               0);
 188
 189         g_type_class_add_private (object_class, sizeof (GossipChatPriv));
 190 }
 191
 192 static void
 193 gossip_chat_init (GossipChat *chat)
 194 {
 195         GossipChatPriv *priv;
 196         GtkTextBuffer  *buffer;
 197
 198         chat->view = gossip_chat_view_new ();
 199         chat->input_text_view = gtk_text_view_new ();
 200
 201         chat->is_first_char = TRUE;
 202
 203         g_object_set (chat->input_text_view,
 204                       "pixels-above-lines", 2,
 205                       "pixels-below-lines", 2,
 206                       "pixels-inside-wrap", 1,
 207                       "right-margin", 2,
 208                       "left-margin", 2,
 209                       "wrap-mode", GTK_WRAP_WORD_CHAR,
 210                       NULL);
 211
 212         priv = GET_PRIV (chat);
 213
 214         priv->tooltips = gtk_tooltips_new ();
 215
 216         priv->default_window_height = -1;
 217         priv->vscroll_visible = FALSE;
 218         priv->sensitive = TRUE;
 219
 220         g_signal_connect (chat->input_text_view,
 221                           "key_press_event",
 222                           G_CALLBACK (chat_input_key_press_event_cb),
 223                           chat);
 224
 225         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 226         g_signal_connect (buffer,
 227                           "changed",
 228                           G_CALLBACK (chat_input_text_buffer_changed_cb),
 229                           chat);
 230         g_signal_connect (GOSSIP_CHAT (chat)->view,
 231                           "focus_in_event",
 232                           G_CALLBACK (chat_text_view_focus_in_event_cb),
 233                           chat);
 234
 235         g_signal_connect (chat->input_text_view,
 236                           "size_allocate",
 237                           G_CALLBACK (chat_text_view_size_allocate_cb),
 238                           chat);
 239
 240         g_signal_connect (chat->input_text_view,
 241                           "realize",
 242                           G_CALLBACK (chat_text_view_realize_cb),
 243                           chat);
 244
 245         g_signal_connect (GTK_TEXT_VIEW (chat->input_text_view),
 246                           "populate_popup",
 247                           G_CALLBACK (chat_text_populate_popup_cb),
 248                           chat);
 249
 250         /* create misspelt words identification tag */
 251         gtk_text_buffer_create_tag (buffer,
 252                                     "misspelled",
 253                                     "underline", PANGO_UNDERLINE_ERROR,
 254                                     NULL);
 255 }
 256
 257 static void
 258 chat_finalize (GObject *object)
 259 {
 260         GossipChat     *chat;
 261         GossipChatPriv *priv;
 262
 263         chat = GOSSIP_CHAT (object);
 264         priv = GET_PRIV (chat);
 265
 266         gossip_debug (DEBUG_DOMAIN, "Finalized: %p", object);
 267
 268         chat_composing_remove_timeout (chat);
 269         g_object_unref (GOSSIP_CHAT (object)->account);
 270
 271         if (priv->tp_chat) {
 272                 g_object_unref (priv->tp_chat);
 273         }
 274
 275         G_OBJECT_CLASS (gossip_chat_parent_class)->finalize (object);
 276 }
 277
 278 static void
 279 chat_destroy_cb (EmpathyTpChat *tp_chat,
 280                  GossipChat    *chat)
 281 {
 282         GossipChatPriv *priv;
 283         GtkWidget      *widget;
 284
 285         priv = GET_PRIV (chat);
 286
 287         if (priv->tp_chat) {
 288                 g_object_unref (priv->tp_chat);
 289                 priv->tp_chat = NULL;
 290         }
 291
 292         gossip_chat_view_append_event (chat->view, _("Disconnected"));
 293
 294         widget = gossip_chat_get_widget (chat);
 295         gtk_widget_set_sensitive (widget, FALSE);
 296         priv->sensitive = FALSE;
 297 }
 298
 299 static void
 300 chat_send (GossipChat  *chat,
 301            const gchar *msg)
 302 {
 303         GossipChatPriv   *priv;
 304         //GossipLogManager *log_manager;
 305         GossipMessage    *message;
 306         GossipContact    *own_contact;
 307
 308         priv = GET_PRIV (chat);
 309
 310         if (msg == NULL || msg[0] == '\0') {
 311                 return;
 312         }
 313
 314         if (g_str_has_prefix (msg, "/clear")) {
 315                 gossip_chat_view_clear (chat->view);
 316                 return;
 317         }
 318
 319         /* FIXME: gossip_app_set_not_away ();*/
 320
 321         own_contact = gossip_chat_get_own_contact (chat);
 322         message = gossip_message_new (msg);
 323         gossip_message_set_sender (message, own_contact);
 324
 325         //FIXME: log_manager = gossip_session_get_log_manager (gossip_app_get_session ());
 326         //gossip_log_message_for_contact (log_manager, message, FALSE);
 327
 328         empathy_tp_chat_send (priv->tp_chat, message);
 329
 330         g_object_unref (message);
 331 }
 332
 333 static void
 334 chat_input_text_view_send (GossipChat *chat)
 335 {
 336         GossipChatPriv *priv;
 337         GtkTextBuffer  *buffer;
 338         GtkTextIter     start, end;
 339         gchar          *msg;
 340
 341         priv = GET_PRIV (chat);
 342
 343         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 344
 345         gtk_text_buffer_get_bounds (buffer, &start, &end);
 346         msg = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 347
 348         /* clear the input field */
 349         gtk_text_buffer_set_text (buffer, "", -1);
 350
 351         chat_send (chat, msg);
 352
 353         g_free (msg);
 354
 355         chat->is_first_char = TRUE;
 356 }
 357
 358 static void
 359 chat_message_received_cb (EmpathyTpChat *tp_chat,
 360                           GossipMessage *message,
 361                           GossipChat    *chat)
 362 {
 363         GossipChatPriv *priv;
 364         //GossipLogManager      *log_manager;
 365         GossipContact         *sender;
 366
 367         priv = GET_PRIV (chat);
 368
 369         sender = gossip_message_get_sender (message);
 370         gossip_debug (DEBUG_DOMAIN, "Appending message ('%s')",
 371                       gossip_contact_get_name (sender));
 372
 373 /*FIXME:
 374         log_manager = gossip_session_get_log_manager (gossip_app_get_session ());
 375         gossip_log_message_for_contact (log_manager, message, TRUE);
 376 */
 377         gossip_chat_view_append_message (chat->view, message);
 378
 379         if (gossip_chat_should_play_sound (chat)) {
 380                 // FIXME: gossip_sound_play (GOSSIP_SOUND_CHAT);
 381         }
 382
 383         g_signal_emit_by_name (chat, "new-message", message);
 384 }
 385
 386 static gboolean
 387 chat_input_key_press_event_cb (GtkWidget   *widget,
 388                                GdkEventKey *event,
 389                                GossipChat  *chat)
 390 {
 391         GossipChatPriv *priv;
 392         GtkAdjustment  *adj;
 393         gdouble         val;
 394         GtkWidget      *text_view_sw;
 395
 396         priv = GET_PRIV (chat);
 397
 398         if (event->keyval == GDK_Tab && !(event->state & GDK_CONTROL_MASK)) {
 399                 return TRUE;
 400         }
 401
 402         /* Catch enter but not ctrl/shift-enter */
 403         if (IS_ENTER (event->keyval) && !(event->state & GDK_SHIFT_MASK)) {
 404                 GtkTextView *view;
 405
 406                 /* This is to make sure that kinput2 gets the enter. And if
 407                  * it's handled there we shouldn't send on it. This is because
 408                  * kinput2 uses Enter to commit letters. See:
 409                  * http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104299
 410                  */
 411
 412                 view = GTK_TEXT_VIEW (chat->input_text_view);
 413                 if (gtk_im_context_filter_keypress (view->im_context, event)) {
 414                         GTK_TEXT_VIEW (chat->input_text_view)->need_im_reset = TRUE;
 415                         return TRUE;
 416                 }
 417
 418                 chat_input_text_view_send (chat);
 419                 return TRUE;
 420         }
 421
 422         text_view_sw = gtk_widget_get_parent (GTK_WIDGET (chat->view));
 423         if (IS_ENTER (event->keyval) && (event->state & GDK_SHIFT_MASK)) {
 424                 /* Newline for shift-enter. */
 425                 return FALSE;
 426         }
 427         else if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 428                  event->keyval == GDK_Page_Up) {
 429                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 430                 gtk_adjustment_set_value (adj, adj->value - adj->page_size);
 431
 432                 return TRUE;
 433         }
 434         else if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 435                  event->keyval == GDK_Page_Down) {
 436                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 437                 val = MIN (adj->value + adj->page_size, adj->upper - adj->page_size);
 438                 gtk_adjustment_set_value (adj, val);
 439
 440                 return TRUE;
 441         }
 442
 443         return FALSE;
 444 }
 445
 446 static gboolean
 447 chat_text_view_focus_in_event_cb (GtkWidget  *widget,
 448                                   GdkEvent   *event,
 449                                   GossipChat *chat)
 450 {
 451         gtk_widget_grab_focus (chat->input_text_view);
 452
 453         return TRUE;
 454 }
 455
 456 static void
 457 chat_input_text_buffer_changed_cb (GtkTextBuffer *buffer,
 458                                    GossipChat    *chat)
 459 {
 460         GossipChatPriv *priv;
 461         GtkTextIter     start, end;
 462         gchar          *str;
 463         gboolean        spell_checker = FALSE;
 464
 465         priv = GET_PRIV (chat);
 466
 467         if (gtk_text_buffer_get_char_count (buffer) == 0) {
 468                 chat_composing_stop (chat);
 469         } else {
 470                 chat_composing_start (chat);
 471         }
 472
 473         gossip_conf_get_bool (gossip_conf_get (),
 474                               GOSSIP_PREFS_CHAT_SPELL_CHECKER_ENABLED,
 475                               &spell_checker);
 476
 477         if (chat->is_first_char) {
 478                 GtkRequisition  req;
 479                 gint            window_height;
 480                 GtkWidget      *dialog;
 481                 GtkAllocation  *allocation;
 482
 483                 /* Save the window's size */
 484                 dialog = gossip_chat_window_get_dialog (priv->window);
 485                 gtk_window_get_size (GTK_WINDOW (dialog),
 486                                      NULL, &window_height);
 487
 488                 gtk_widget_size_request (chat->input_text_view, &req);
 489
 490                 allocation = &GTK_WIDGET (chat->view)->allocation;
 491
 492                 priv->default_window_height = window_height;
 493                 priv->last_input_height = req.height;
 494                 priv->padding_height = window_height - req.height - allocation->height;
 495
 496                 chat->is_first_char = FALSE;
 497         }
 498
 499         gtk_text_buffer_get_start_iter (buffer, &start);
 500
 501         if (!spell_checker) {
 502                 gtk_text_buffer_get_end_iter (buffer, &end);
 503                 gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 504                 return;
 505         }
 506
 507         if (!gossip_spell_supported ()) {
 508                 return;
 509         }
 510
 511         /* NOTE: this is really inefficient, we shouldn't have to
 512            reiterate the whole buffer each time and check each work
 513            every time. */
 514         while (TRUE) {
 515                 gboolean correct = FALSE;
 516
 517                 /* if at start */
 518                 if (gtk_text_iter_is_start (&start)) {
 519                         end = start;
 520
 521                         if (!gtk_text_iter_forward_word_end (&end)) {
 522                                 /* no whole word yet */
 523                                 break;
 524                         }
 525                 } else {
 526                         if (!gtk_text_iter_forward_word_end (&end)) {
 527                                 /* must be the end of the buffer */
 528                                 break;
 529                         }
 530
 531                         start = end;
 532                         gtk_text_iter_backward_word_start (&start);
 533                 }
 534
 535                 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 536
 537                 /* spell check string */
 538                 if (!gossip_chat_get_is_command (str)) {
 539                         correct = gossip_spell_check (str);
 540                 } else {
 541                         correct = TRUE;
 542                 }
 543
 544                 if (!correct) {
 545                         gtk_text_buffer_apply_tag_by_name (buffer, "misspelled", &start, &end);
 546                 } else {
 547                         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 548                 }
 549
 550                 g_free (str);
 551
 552                 /* set start iter to the end iters position */
 553                 start = end;
 554         }
 555 }
 556
 557 typedef struct {
 558         GtkWidget *window;
 559         gint       width;
 560         gint       height;
 561 } ChangeSizeData;
 562
 563 static gboolean
 564 chat_change_size_in_idle_cb (ChangeSizeData *data)
 565 {
 566         gtk_window_resize (GTK_WINDOW (data->window),
 567                            data->width, data->height);
 568
 569         return FALSE;
 570 }
 571
 572 static void
 573 chat_text_view_scroll_hide_cb (GtkWidget  *widget,
 574                                GossipChat *chat)
 575 {
 576         GossipChatPriv *priv;
 577         GtkWidget      *sw;
 578
 579         priv = GET_PRIV (chat);
 580
 581         priv->vscroll_visible = FALSE;
 582         g_signal_handlers_disconnect_by_func (widget, chat_text_view_scroll_hide_cb, chat);
 583
 584         sw = gtk_widget_get_parent (chat->input_text_view);
 585         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 586                                         GTK_POLICY_NEVER,
 587                                         GTK_POLICY_NEVER);
 588         g_object_set (sw, "height-request", -1, NULL);
 589 }
 590
 591 static void
 592 chat_text_view_size_allocate_cb (GtkWidget     *widget,
 593                                  GtkAllocation *allocation,
 594                                  GossipChat    *chat)
 595 {
 596         GossipChatPriv *priv;
 597         gint            width;
 598         GtkWidget      *dialog;
 599         ChangeSizeData *data;
 600         gint            window_height;
 601         gint            new_height;
 602         GtkAllocation  *view_allocation;
 603         gint            current_height;
 604         gint            diff;
 605         GtkWidget      *sw;
 606
 607         priv = GET_PRIV (chat);
 608
 609         if (priv->default_window_height <= 0) {
 610                 return;
 611         }
 612
 613         sw = gtk_widget_get_parent (widget);
 614         if (sw->allocation.height >= MAX_INPUT_HEIGHT && !priv->vscroll_visible) {
 615                 GtkWidget *vscroll;
 616
 617                 priv->vscroll_visible = TRUE;
 618                 gtk_widget_set_size_request (sw, sw->allocation.width, MAX_INPUT_HEIGHT);
 619                 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 620                                                 GTK_POLICY_NEVER,
 621                                                 GTK_POLICY_AUTOMATIC);
 622                 vscroll = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (sw));
 623                 g_signal_connect (vscroll, "hide",
 624                                   G_CALLBACK (chat_text_view_scroll_hide_cb),
 625                                   chat);
 626         }
 627
 628         if (priv->last_input_height <= allocation->height) {
 629                 priv->last_input_height = allocation->height;
 630                 return;
 631         }
 632
 633         diff = priv->last_input_height - allocation->height;
 634         priv->last_input_height = allocation->height;
 635
 636         view_allocation = &GTK_WIDGET (chat->view)->allocation;
 637
 638         dialog = gossip_chat_window_get_dialog (priv->window);
 639         gtk_window_get_size (GTK_WINDOW (dialog), NULL, &current_height);
 640
 641         new_height = view_allocation->height + priv->padding_height + allocation->height - diff;
 642
 643         if (new_height <= priv->default_window_height) {
 644                 window_height = priv->default_window_height;
 645         } else {
 646                 window_height = new_height;
 647         }
 648
 649         if (current_height <= window_height) {
 650                 return;
 651         }
 652
 653         /* Restore the window's size */
 654         gtk_window_get_size (GTK_WINDOW (dialog), &width, NULL);
 655
 656         data = g_new0 (ChangeSizeData, 1);
 657         data->window = dialog;
 658         data->width  = width;
 659         data->height = window_height;
 660
 661         g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
 662                          (GSourceFunc) chat_change_size_in_idle_cb,
 663                          data, g_free);
 664 }
 665
 666 static void
 667 chat_text_view_realize_cb (GtkWidget  *widget,
 668                            GossipChat *chat)
 669 {
 670         gossip_debug (DEBUG_DOMAIN, "Setting focus to the input text view");
 671         gtk_widget_grab_focus (widget);
 672 }
 673
 674 static void
 675 chat_insert_smiley_activate_cb (GtkWidget  *menuitem,
 676                                 GossipChat *chat)
 677 {
 678         GtkTextBuffer *buffer;
 679         GtkTextIter    iter;
 680         const gchar   *smiley;
 681
 682         smiley = g_object_get_data (G_OBJECT (menuitem), "smiley_text");
 683
 684         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 685
 686         gtk_text_buffer_get_end_iter (buffer, &iter);
 687         gtk_text_buffer_insert (buffer, &iter, smiley, -1);
 688
 689         gtk_text_buffer_get_end_iter (buffer, &iter);
 690         gtk_text_buffer_insert (buffer, &iter, " ", -1);
 691 }
 692
 693 static void
 694 chat_text_populate_popup_cb (GtkTextView *view,
 695                              GtkMenu     *menu,
 696                              GossipChat  *chat)
 697 {
 698         GossipChatPriv  *priv;
 699         GtkTextBuffer   *buffer;
 700         GtkTextTagTable *table;
 701         GtkTextTag      *tag;
 702         gint             x, y;
 703         GtkTextIter      iter, start, end;
 704         GtkWidget       *item;
 705         gchar           *str = NULL;
 706         GossipChatSpell *chat_spell;
 707         GtkWidget       *smiley_menu;
 708
 709         priv = GET_PRIV (chat);
 710
 711         /* Add the emoticon menu. */
 712         item = gtk_separator_menu_item_new ();
 713         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 714         gtk_widget_show (item);
 715
 716         item = gtk_menu_item_new_with_mnemonic (_("Insert Smiley"));
 717         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 718         gtk_widget_show (item);
 719
 720         smiley_menu = gossip_chat_view_get_smiley_menu (
 721                 G_CALLBACK (chat_insert_smiley_activate_cb),
 722                 chat,
 723                 priv->tooltips);
 724         gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu);
 725
 726         /* Add the spell check menu item. */
 727         buffer = gtk_text_view_get_buffer (view);
 728         table = gtk_text_buffer_get_tag_table (buffer);
 729
 730         tag = gtk_text_tag_table_lookup (table, "misspelled");
 731
 732         gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
 733
 734         gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
 735                                                GTK_TEXT_WINDOW_WIDGET,
 736                                                x, y,
 737                                                &x, &y);
 738
 739         gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y);
 740
 741         start = end = iter;
 742
 743         if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
 744             gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
 745
 746                 str = gtk_text_buffer_get_text (buffer,
 747                                                 &start, &end, FALSE);
 748         }
 749
 750         if (G_STR_EMPTY (str)) {
 751                 return;
 752         }
 753
 754         chat_spell = chat_spell_new (chat, str, start, end);
 755
 756         g_object_set_data_full (G_OBJECT (menu),
 757                                 "chat_spell", chat_spell,
 758                                 (GDestroyNotify) chat_spell_free);
 759
 760         item = gtk_separator_menu_item_new ();
 761         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 762         gtk_widget_show (item);
 763
 764         item = gtk_menu_item_new_with_mnemonic (_("_Check Word Spelling..."));
 765         g_signal_connect (item,
 766                           "activate",
 767                           G_CALLBACK (chat_text_check_word_spelling_cb),
 768                           chat_spell);
 769         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 770         gtk_widget_show (item);
 771 }
 772
 773 static void
 774 chat_text_check_word_spelling_cb (GtkMenuItem     *menuitem,
 775                                   GossipChatSpell *chat_spell)
 776 {
 777 /*FIXME:        gossip_spell_dialog_show (chat_spell->chat,
 778                                   chat_spell->start,
 779                                   chat_spell->end,
 780                                   chat_spell->word);*/
 781 }
 782
 783 static GossipChatSpell *
 784 chat_spell_new (GossipChat  *chat,
 785                 const gchar *word,
 786                 GtkTextIter  start,
 787                 GtkTextIter  end)
 788 {
 789         GossipChatSpell *chat_spell;
 790
 791         chat_spell = g_new0 (GossipChatSpell, 1);
 792
 793         chat_spell->chat = g_object_ref (chat);
 794         chat_spell->word = g_strdup (word);
 795         chat_spell->start = start;
 796         chat_spell->end = end;
 797
 798         return chat_spell;
 799 }
 800
 801 static void
 802 chat_spell_free (GossipChatSpell *chat_spell)
 803 {
 804         g_object_unref (chat_spell->chat);
 805         g_free (chat_spell->word);
 806         g_free (chat_spell);
 807 }
 808
 809 static void
 810 chat_composing_start (GossipChat *chat)
 811 {
 812         GossipChatPriv *priv;
 813
 814         priv = GET_PRIV (chat);
 815
 816         if (priv->composing_stop_timeout_id) {
 817                 /* Just restart the timeout */
 818                 chat_composing_remove_timeout (chat);
 819         } else {
 820         /* FIXME:
 821                 gossip_session_send_composing (gossip_app_get_session (),
 822                                                priv->contact, TRUE);
 823                                               */
 824         }
 825
 826         priv->composing_stop_timeout_id = g_timeout_add (
 827                 1000 * COMPOSING_STOP_TIMEOUT,
 828                 (GSourceFunc) chat_composing_stop_timeout_cb,
 829                 chat);
 830 }
 831
 832 static void
 833 chat_composing_stop (GossipChat *chat)
 834 {
 835         GossipChatPriv *priv;
 836
 837         priv = GET_PRIV (chat);
 838
 839         chat_composing_remove_timeout (chat);
 840         /* FIXME:
 841         gossip_session_send_composing (gossip_app_get_session (),
 842                                        priv->contact, FALSE);*/
 843 }
 844
 845 static void
 846 chat_composing_remove_timeout (GossipChat *chat)
 847 {
 848         GossipChatPriv *priv;
 849
 850         priv = GET_PRIV (chat);
 851
 852         if (priv->composing_stop_timeout_id) {
 853                 g_source_remove (priv->composing_stop_timeout_id);
 854                 priv->composing_stop_timeout_id = 0;
 855         }
 856 }
 857
 858 static gboolean
 859 chat_composing_stop_timeout_cb (GossipChat *chat)
 860 {
 861         GossipChatPriv *priv;
 862
 863         priv = GET_PRIV (chat);
 864
 865         priv->composing_stop_timeout_id = 0;
 866         /* FIXME:
 867         gossip_session_send_composing (gossip_app_get_session (),
 868                                        priv->contact, FALSE);*/
 869
 870         return FALSE;
 871 }
 872
 873 gboolean
 874 gossip_chat_get_is_command (const gchar *str)
 875 {
 876         g_return_val_if_fail (str != NULL, FALSE);
 877
 878         if (str[0] != '/') {
 879                 return FALSE;
 880         }
 881
 882         if (g_str_has_prefix (str, "/me")) {
 883                 return TRUE;
 884         }
 885         else if (g_str_has_prefix (str, "/nick")) {
 886                 return TRUE;
 887         }
 888         else if (g_str_has_prefix (str, "/topic")) {
 889                 return TRUE;
 890         }
 891
 892         return FALSE;
 893 }
 894
 895 void
 896 gossip_chat_correct_word (GossipChat  *chat,
 897                           GtkTextIter  start,
 898                           GtkTextIter  end,
 899                           const gchar *new_word)
 900 {
 901         GtkTextBuffer *buffer;
 902
 903         g_return_if_fail (chat != NULL);
 904         g_return_if_fail (new_word != NULL);
 905
 906         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 907
 908         gtk_text_buffer_delete (buffer, &start, &end);
 909         gtk_text_buffer_insert (buffer, &start,
 910                                 new_word,
 911                                 -1);
 912 }
 913
 914 const gchar *
 915 gossip_chat_get_name (GossipChat *chat)
 916 {
 917         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
 918
 919         if (GOSSIP_CHAT_GET_CLASS (chat)->get_name) {
 920                 return GOSSIP_CHAT_GET_CLASS (chat)->get_name (chat);
 921         }
 922
 923         return NULL;
 924 }
 925
 926 gchar *
 927 gossip_chat_get_tooltip (GossipChat *chat)
 928 {
 929         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
 930
 931         if (GOSSIP_CHAT_GET_CLASS (chat)->get_tooltip) {
 932                 return GOSSIP_CHAT_GET_CLASS (chat)->get_tooltip (chat);
 933         }
 934
 935         return NULL;
 936 }
 937
 938 GdkPixbuf *
 939 gossip_chat_get_status_pixbuf (GossipChat *chat)
 940 {
 941         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
 942
 943         if (GOSSIP_CHAT_GET_CLASS (chat)->get_status_pixbuf) {
 944                 return GOSSIP_CHAT_GET_CLASS (chat)->get_status_pixbuf (chat);
 945         }
 946
 947         return NULL;
 948 }
 949
 950 GossipContact *
 951 gossip_chat_get_contact (GossipChat *chat)
 952 {
 953         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
 954
 955         if (GOSSIP_CHAT_GET_CLASS (chat)->get_contact) {
 956                 return GOSSIP_CHAT_GET_CLASS (chat)->get_contact (chat);
 957         }
 958
 959         return NULL;
 960 }
 961 GossipContact *
 962 gossip_chat_get_own_contact (GossipChat *chat)
 963 {
 964         EmpathyContactManager *manager;
 965
 966         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
 967
 968         manager = empathy_session_get_contact_manager ();
 969
 970         return empathy_contact_manager_get_own (manager, chat->account);
 971 }
 972
 973 GtkWidget *
 974 gossip_chat_get_widget (GossipChat *chat)
 975 {
 976         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
 977
 978         if (GOSSIP_CHAT_GET_CLASS (chat)->get_widget) {
 979                 return GOSSIP_CHAT_GET_CLASS (chat)->get_widget (chat);
 980         }
 981
 982         return NULL;
 983 }
 984
 985 gboolean
 986 gossip_chat_is_group_chat (GossipChat *chat)
 987 {
 988         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
 989
 990         if (GOSSIP_CHAT_GET_CLASS (chat)->is_group_chat) {
 991                 return GOSSIP_CHAT_GET_CLASS (chat)->is_group_chat (chat);
 992         }
 993
 994         return FALSE;
 995 }
 996
 997 gboolean
 998 gossip_chat_is_connected (GossipChat *chat)
 999 {
1000         GossipChatPriv *priv;
1001
1002         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
1003
1004         priv = GET_PRIV (chat);
1005
1006         return (priv->tp_chat != NULL);
1007 }
1008
1009 gboolean
1010 gossip_chat_get_show_contacts (GossipChat *chat)
1011 {
1012         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
1013
1014         if (GOSSIP_CHAT_GET_CLASS (chat)->get_show_contacts) {
1015                 return GOSSIP_CHAT_GET_CLASS (chat)->get_show_contacts (chat);
1016         }
1017
1018         return FALSE;
1019 }
1020
1021 void
1022 gossip_chat_set_show_contacts (GossipChat *chat,
1023                                gboolean    show)
1024 {
1025         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1026
1027         if (GOSSIP_CHAT_GET_CLASS (chat)->set_show_contacts) {
1028                 GOSSIP_CHAT_GET_CLASS (chat)->set_show_contacts (chat, show);
1029         }
1030 }
1031
1032 void
1033 gossip_chat_save_geometry (GossipChat *chat,
1034                            gint        x,
1035                            gint        y,
1036                            gint        w,
1037                            gint        h)
1038 {
1039         //FIXME: gossip_geometry_save_for_chat (chat, x, y, w, h);
1040 }
1041
1042 void
1043 gossip_chat_load_geometry (GossipChat *chat,
1044                            gint       *x,
1045                            gint       *y,
1046                            gint       *w,
1047                            gint       *h)
1048 {
1049         //FIXME: gossip_geometry_load_for_chat (chat, x, y, w, h);
1050 }
1051
1052 void
1053 gossip_chat_set_tp_chat (GossipChat    *chat,
1054                          EmpathyTpChat *tp_chat)
1055 {
1056         GossipChatPriv *priv;
1057         GtkWidget      *widget;
1058
1059         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1060         g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
1061
1062         priv = GET_PRIV (chat);
1063
1064         if (tp_chat == priv->tp_chat) {
1065                 return;
1066         }
1067
1068         if (priv->tp_chat) {
1069                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1070                                                       chat_message_received_cb,
1071                                                       chat);
1072                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1073                                                       chat_destroy_cb,
1074                                                       chat);
1075                 g_object_unref (priv->tp_chat);
1076         }
1077
1078         priv->tp_chat = g_object_ref (tp_chat);
1079
1080         g_signal_connect (tp_chat, "message-received",
1081                           G_CALLBACK (chat_message_received_cb),
1082                           chat);
1083         g_signal_connect (tp_chat, "destroy",
1084                           G_CALLBACK (chat_destroy_cb),
1085                           chat);
1086
1087         empathy_tp_chat_request_pending (tp_chat);
1088
1089         if (!priv->sensitive) {
1090                 widget = gossip_chat_get_widget (chat);
1091                 gtk_widget_set_sensitive (widget, TRUE);
1092                 gossip_chat_view_append_event (chat->view, _("Connected"));
1093                 priv->sensitive = TRUE;
1094         }
1095 }
1096
1097 void
1098 gossip_chat_clear (GossipChat *chat)
1099 {
1100         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1101
1102         gossip_chat_view_clear (chat->view);
1103 }
1104
1105 void
1106 gossip_chat_set_window (GossipChat       *chat,
1107                         GossipChatWindow *window)
1108 {
1109         GossipChatPriv *priv;
1110
1111         priv = GET_PRIV (chat);
1112         priv->window = window;
1113 }
1114
1115 GossipChatWindow *
1116 gossip_chat_get_window (GossipChat *chat)
1117 {
1118         GossipChatPriv *priv;
1119
1120         priv = GET_PRIV (chat);
1121
1122         return priv->window;
1123 }
1124
1125 void
1126 gossip_chat_scroll_down (GossipChat *chat)
1127 {
1128         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1129
1130         gossip_chat_view_scroll_down (chat->view);
1131 }
1132
1133 void
1134 gossip_chat_cut (GossipChat *chat)
1135 {
1136         GtkTextBuffer *buffer;
1137
1138         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1139
1140         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1141         if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
1142                 GtkClipboard *clipboard;
1143
1144                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1145
1146                 gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE);
1147         }
1148 }
1149
1150 void
1151 gossip_chat_copy (GossipChat *chat)
1152 {
1153         GtkTextBuffer *buffer;
1154
1155         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1156
1157         if (gossip_chat_view_get_selection_bounds (chat->view, NULL, NULL)) {
1158                 gossip_chat_view_copy_clipboard (chat->view);
1159                 return;
1160         }
1161
1162         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1163         if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
1164                 GtkClipboard *clipboard;
1165
1166                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1167
1168                 gtk_text_buffer_copy_clipboard (buffer, clipboard);
1169         }
1170 }
1171
1172 void
1173 gossip_chat_paste (GossipChat *chat)
1174 {
1175         GtkTextBuffer *buffer;
1176         GtkClipboard  *clipboard;
1177
1178         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1179
1180         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1181         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1182
1183         gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE);
1184 }
1185
1186 void
1187 gossip_chat_present (GossipChat *chat)
1188 {
1189         GossipChatPriv *priv;
1190
1191         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1192
1193         priv = GET_PRIV (chat);
1194
1195         if (priv->window == NULL) {
1196                 GossipChatWindow *window;
1197
1198                 window = gossip_chat_window_get_default ();
1199                 if (!window) {
1200                         window = gossip_chat_window_new ();
1201                 }
1202
1203                 gossip_chat_window_add_chat (window, chat);
1204         }
1205
1206         gossip_chat_window_switch_to_chat (priv->window, chat);
1207         gossip_window_present (
1208                 GTK_WINDOW (gossip_chat_window_get_dialog (priv->window)),
1209                 TRUE);
1210
1211         gtk_widget_grab_focus (chat->input_text_view);
1212 }
1213
1214 gboolean
1215 gossip_chat_should_play_sound (GossipChat *chat)
1216 {
1217         GossipChatWindow *window;
1218         gboolean          play = TRUE;
1219
1220         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
1221
1222         window = gossip_chat_get_window (GOSSIP_CHAT (chat));
1223         if (!window) {
1224                 return TRUE;
1225         }
1226
1227         play = !gossip_chat_window_has_focus (window);
1228
1229         return play;
1230 }
1231
1232 gboolean
1233 gossip_chat_should_highlight_nick (GossipMessage *message)
1234 {
1235         GossipContact *my_contact;
1236         const gchar   *msg, *to;
1237         gchar         *cf_msg, *cf_to;
1238         gchar         *ch;
1239         gboolean       ret_val;
1240
1241         g_return_val_if_fail (GOSSIP_IS_MESSAGE (message), FALSE);
1242
1243         gossip_debug (DEBUG_DOMAIN, "Highlighting nickname");
1244
1245         ret_val = FALSE;
1246
1247         msg = gossip_message_get_body (message);
1248         if (!msg) {
1249                 return FALSE;
1250         }
1251
1252         my_contact = gossip_get_own_contact_from_contact (gossip_message_get_sender (message));
1253         to = gossip_contact_get_name (my_contact);
1254         if (!to) {
1255                 return FALSE;
1256         }
1257
1258         cf_msg = g_utf8_casefold (msg, -1);
1259         cf_to = g_utf8_casefold (to, -1);
1260
1261         ch = strstr (cf_msg, cf_to);
1262         if (ch == NULL) {
1263                 goto finished;
1264         }
1265
1266         if (ch != cf_msg) {
1267                 /* Not first in the message */
1268                 if ((*(ch - 1) != ' ') &&
1269                     (*(ch - 1) != ',') &&
1270                     (*(ch - 1) != '.')) {
1271                         goto finished;
1272                 }
1273         }
1274
1275         ch = ch + strlen (cf_to);
1276         if (ch >= cf_msg + strlen (cf_msg)) {
1277                 ret_val = TRUE;
1278                 goto finished;
1279         }
1280
1281         if ((*ch == ' ') ||
1282             (*ch == ',') ||
1283             (*ch == '.') ||
1284             (*ch == ':')) {
1285                 ret_val = TRUE;
1286                 goto finished;
1287         }
1288
1289 finished:
1290         g_free (cf_msg);
1291         g_free (cf_to);
1292
1293         return ret_val;
1294 }
1295