libempathy-gtk/gossip-chat.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2002-2007 Imendio AB
   4  * Copyright (C) 2007 Collabora Ltd.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public
  17  * License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  *
  21  * Authors: Mikael Hallendal <micke@imendio.com>
  22  *          Richard Hult <richard@imendio.com>
  23  *          Martyn Russell <martyn@imendio.com>
  24  *          Geert-Jan Van den Bogaerde <geertjan@gnome.org>
  25  *          Xavier Claessens <xclaesse@gmail.com>
  26  */
  27
  28 #include "config.h"
  29
  30 #include <string.h>
  31 #include <stdlib.h>
  32
  33 #include <gdk/gdkkeysyms.h>
  34 #include <glib/gi18n.h>
  35 #include <gtk/gtk.h>
  36 #include <glade/glade.h>
  37
  38 #include <libempathy/empathy-session.h>
  39 #include <libempathy/empathy-contact-manager.h>
  40 #include <libempathy/gossip-debug.h>
  41 #include <libempathy/gossip-utils.h>
  42 #include <libempathy/gossip-conf.h>
  43
  44 #include "gossip-chat.h"
  45 #include "gossip-chat-window.h"
  46 #include "gossip-geometry.h"
  47 #include "gossip-preferences.h"
  48 #include "gossip-spell.h"
  49 //#include "gossip-spell-dialog.h"
  50 #include "gossip-ui-utils.h"
  51
  52 #define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GOSSIP_TYPE_CHAT, GossipChatPriv))
  53
  54 #define DEBUG_DOMAIN "Chat"
  55
  56 #define CHAT_DIR_CREATE_MODE  (S_IRUSR | S_IWUSR | S_IXUSR)
  57 #define CHAT_FILE_CREATE_MODE (S_IRUSR | S_IWUSR)
  58
  59 #define IS_ENTER(v) (v == GDK_Return || v == GDK_ISO_Enter || v == GDK_KP_Enter)
  60
  61 #define MAX_INPUT_HEIGHT 150
  62
  63 #define COMPOSING_STOP_TIMEOUT 5
  64
  65 struct _GossipChatPriv {
  66         EmpathyTpChat    *tp_chat;
  67         GossipChatWindow *window;
  68
  69         GtkTooltips      *tooltips;
  70         guint             composing_stop_timeout_id;
  71         gboolean          sensitive;
  72         gchar            *id;
  73         /* Used to automatically shrink a window that has temporarily
  74          * grown due to long input.
  75          */
  76         gint              padding_height;
  77         gint              default_window_height;
  78         gint              last_input_height;
  79         gboolean          vscroll_visible;
  80 };
  81
  82 typedef struct {
  83         GossipChat  *chat;
  84         gchar       *word;
  85
  86         GtkTextIter  start;
  87         GtkTextIter  end;
  88 } GossipChatSpell;
  89
  90 static void             gossip_chat_class_init            (GossipChatClass *klass);
  91 static void             gossip_chat_init                  (GossipChat      *chat);
  92 static void             chat_finalize                     (GObject         *object);
  93 static void             chat_destroy_cb                   (EmpathyTpChat   *tp_chat,
  94                                                            GossipChat      *chat);
  95 static void             chat_send                         (GossipChat      *chat,
  96                                                            const gchar     *msg);
  97 static void             chat_input_text_view_send         (GossipChat      *chat);
  98 static void             chat_message_received_cb          (EmpathyTpChat   *tp_chat,
  99                                                            GossipMessage   *message,
 100                                                            GossipChat      *chat);
 101 static gboolean         chat_input_key_press_event_cb     (GtkWidget       *widget,
 102                                                            GdkEventKey     *event,
 103                                                            GossipChat      *chat);
 104 static void             chat_input_text_buffer_changed_cb (GtkTextBuffer   *buffer,
 105                                                            GossipChat      *chat);
 106 static gboolean         chat_text_view_focus_in_event_cb  (GtkWidget       *widget,
 107                                                            GdkEvent        *event,
 108                                                            GossipChat      *chat);
 109 static void             chat_text_view_scroll_hide_cb     (GtkWidget       *widget,
 110                                                            GossipChat      *chat);
 111 static void             chat_text_view_size_allocate_cb   (GtkWidget       *widget,
 112                                                            GtkAllocation   *allocation,
 113                                                            GossipChat      *chat);
 114 static void             chat_text_view_realize_cb         (GtkWidget       *widget,
 115                                                            GossipChat      *chat);
 116 static void             chat_text_populate_popup_cb       (GtkTextView     *view,
 117                                                            GtkMenu         *menu,
 118                                                            GossipChat      *chat);
 119 static void             chat_text_check_word_spelling_cb  (GtkMenuItem     *menuitem,
 120                                                            GossipChatSpell *chat_spell);
 121 static GossipChatSpell *chat_spell_new                    (GossipChat      *chat,
 122                                                            const gchar     *word,
 123                                                            GtkTextIter      start,
 124                                                            GtkTextIter      end);
 125 static void             chat_spell_free                   (GossipChatSpell *chat_spell);
 126 static void             chat_composing_start              (GossipChat      *chat);
 127 static void             chat_composing_stop               (GossipChat      *chat);
 128 static void             chat_composing_remove_timeout     (GossipChat      *chat);
 129 static gboolean         chat_composing_stop_timeout_cb    (GossipChat      *chat);
 130
 131 enum {
 132         COMPOSING,
 133         NEW_MESSAGE,
 134         NAME_CHANGED,
 135         STATUS_CHANGED,
 136         LAST_SIGNAL
 137 };
 138
 139 static guint chat_signals[LAST_SIGNAL] = { 0 };
 140
 141 G_DEFINE_TYPE (GossipChat, gossip_chat, G_TYPE_OBJECT);
 142
 143 static void
 144 gossip_chat_class_init (GossipChatClass *klass)
 145 {
 146         GObjectClass *object_class;
 147
 148         object_class = G_OBJECT_CLASS (klass);
 149
 150         object_class->finalize = chat_finalize;
 151
 152         chat_signals[COMPOSING] =
 153                 g_signal_new ("composing",
 154                               G_OBJECT_CLASS_TYPE (object_class),
 155                               G_SIGNAL_RUN_LAST,
 156                               0,
 157                               NULL, NULL,
 158                               g_cclosure_marshal_VOID__BOOLEAN,
 159                               G_TYPE_NONE,
 160                               1, G_TYPE_BOOLEAN);
 161
 162         chat_signals[NEW_MESSAGE] =
 163                 g_signal_new ("new-message",
 164                               G_OBJECT_CLASS_TYPE (object_class),
 165                               G_SIGNAL_RUN_LAST,
 166                               0,
 167                               NULL, NULL,
 168                               g_cclosure_marshal_VOID__OBJECT,
 169                               G_TYPE_NONE,
 170                               1, GOSSIP_TYPE_MESSAGE);
 171
 172         chat_signals[NAME_CHANGED] =
 173                 g_signal_new ("name-changed",
 174                               G_OBJECT_CLASS_TYPE (object_class),
 175                               G_SIGNAL_RUN_LAST,
 176                               0,
 177                               NULL, NULL,
 178                               g_cclosure_marshal_VOID__POINTER,
 179                               G_TYPE_NONE,
 180                               1, G_TYPE_POINTER);
 181
 182         chat_signals[STATUS_CHANGED] =
 183                 g_signal_new ("status-changed",
 184                               G_OBJECT_CLASS_TYPE (object_class),
 185                               G_SIGNAL_RUN_LAST,
 186                               0,
 187                               NULL, NULL,
 188                               g_cclosure_marshal_VOID__VOID,
 189                               G_TYPE_NONE,
 190                               0);
 191
 192         g_type_class_add_private (object_class, sizeof (GossipChatPriv));
 193 }
 194
 195 static void
 196 gossip_chat_init (GossipChat *chat)
 197 {
 198         GossipChatPriv *priv;
 199         GtkTextBuffer  *buffer;
 200
 201         chat->view = gossip_chat_view_new ();
 202         chat->input_text_view = gtk_text_view_new ();
 203
 204         chat->is_first_char = TRUE;
 205
 206         g_object_set (chat->input_text_view,
 207                       "pixels-above-lines", 2,
 208                       "pixels-below-lines", 2,
 209                       "pixels-inside-wrap", 1,
 210                       "right-margin", 2,
 211                       "left-margin", 2,
 212                       "wrap-mode", GTK_WRAP_WORD_CHAR,
 213                       NULL);
 214
 215         priv = GET_PRIV (chat);
 216
 217         priv->tooltips = gtk_tooltips_new ();
 218
 219         priv->default_window_height = -1;
 220         priv->vscroll_visible = FALSE;
 221         priv->sensitive = TRUE;
 222
 223         g_signal_connect (chat->input_text_view,
 224                           "key_press_event",
 225                           G_CALLBACK (chat_input_key_press_event_cb),
 226                           chat);
 227
 228         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 229         g_signal_connect (buffer,
 230                           "changed",
 231                           G_CALLBACK (chat_input_text_buffer_changed_cb),
 232                           chat);
 233         g_signal_connect (GOSSIP_CHAT (chat)->view,
 234                           "focus_in_event",
 235                           G_CALLBACK (chat_text_view_focus_in_event_cb),
 236                           chat);
 237
 238         g_signal_connect (chat->input_text_view,
 239                           "size_allocate",
 240                           G_CALLBACK (chat_text_view_size_allocate_cb),
 241                           chat);
 242
 243         g_signal_connect (chat->input_text_view,
 244                           "realize",
 245                           G_CALLBACK (chat_text_view_realize_cb),
 246                           chat);
 247
 248         g_signal_connect (GTK_TEXT_VIEW (chat->input_text_view),
 249                           "populate_popup",
 250                           G_CALLBACK (chat_text_populate_popup_cb),
 251                           chat);
 252
 253         /* create misspelt words identification tag */
 254         gtk_text_buffer_create_tag (buffer,
 255                                     "misspelled",
 256                                     "underline", PANGO_UNDERLINE_ERROR,
 257                                     NULL);
 258 }
 259
 260 static void
 261 chat_finalize (GObject *object)
 262 {
 263         GossipChat     *chat;
 264         GossipChatPriv *priv;
 265
 266         chat = GOSSIP_CHAT (object);
 267         priv = GET_PRIV (chat);
 268
 269         gossip_debug (DEBUG_DOMAIN, "Finalized: %p", object);
 270
 271         chat_composing_remove_timeout (chat);
 272         g_object_unref (GOSSIP_CHAT (object)->account);
 273
 274         if (priv->tp_chat) {
 275                 g_object_unref (priv->tp_chat);
 276         }
 277
 278         G_OBJECT_CLASS (gossip_chat_parent_class)->finalize (object);
 279 }
 280
 281 static void
 282 chat_destroy_cb (EmpathyTpChat *tp_chat,
 283                  GossipChat    *chat)
 284 {
 285         GossipChatPriv *priv;
 286         GtkWidget      *widget;
 287
 288         priv = GET_PRIV (chat);
 289
 290         if (priv->tp_chat) {
 291                 g_object_unref (priv->tp_chat);
 292                 priv->tp_chat = NULL;
 293         }
 294
 295         gossip_chat_view_append_event (chat->view, _("Disconnected"));
 296
 297         widget = gossip_chat_get_widget (chat);
 298         gtk_widget_set_sensitive (widget, FALSE);
 299         priv->sensitive = FALSE;
 300 }
 301
 302 static void
 303 chat_send (GossipChat  *chat,
 304            const gchar *msg)
 305 {
 306         GossipChatPriv   *priv;
 307         //GossipLogManager *log_manager;
 308         GossipMessage    *message;
 309         GossipContact    *own_contact;
 310
 311         priv = GET_PRIV (chat);
 312
 313         if (msg == NULL || msg[0] == '\0') {
 314                 return;
 315         }
 316
 317         if (g_str_has_prefix (msg, "/clear")) {
 318                 gossip_chat_view_clear (chat->view);
 319                 return;
 320         }
 321
 322         /* FIXME: gossip_app_set_not_away ();*/
 323
 324         own_contact = gossip_chat_get_own_contact (chat);
 325         message = gossip_message_new (msg);
 326         gossip_message_set_sender (message, own_contact);
 327
 328         //FIXME: log_manager = gossip_session_get_log_manager (gossip_app_get_session ());
 329         //gossip_log_message_for_contact (log_manager, message, FALSE);
 330
 331         empathy_tp_chat_send (priv->tp_chat, message);
 332
 333         g_object_unref (message);
 334 }
 335
 336 static void
 337 chat_input_text_view_send (GossipChat *chat)
 338 {
 339         GossipChatPriv *priv;
 340         GtkTextBuffer  *buffer;
 341         GtkTextIter     start, end;
 342         gchar          *msg;
 343
 344         priv = GET_PRIV (chat);
 345
 346         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 347
 348         gtk_text_buffer_get_bounds (buffer, &start, &end);
 349         msg = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 350
 351         /* clear the input field */
 352         gtk_text_buffer_set_text (buffer, "", -1);
 353
 354         chat_send (chat, msg);
 355
 356         g_free (msg);
 357
 358         chat->is_first_char = TRUE;
 359 }
 360
 361 static void
 362 chat_message_received_cb (EmpathyTpChat *tp_chat,
 363                           GossipMessage *message,
 364                           GossipChat    *chat)
 365 {
 366         GossipChatPriv *priv;
 367         //GossipLogManager      *log_manager;
 368         GossipContact         *sender;
 369
 370         priv = GET_PRIV (chat);
 371
 372         sender = gossip_message_get_sender (message);
 373         gossip_debug (DEBUG_DOMAIN, "Appending message ('%s')",
 374                       gossip_contact_get_name (sender));
 375
 376 /*FIXME:
 377         log_manager = gossip_session_get_log_manager (gossip_app_get_session ());
 378         gossip_log_message_for_contact (log_manager, message, TRUE);
 379 */
 380         gossip_chat_view_append_message (chat->view, message);
 381
 382         if (gossip_chat_should_play_sound (chat)) {
 383                 // FIXME: gossip_sound_play (GOSSIP_SOUND_CHAT);
 384         }
 385
 386         g_signal_emit_by_name (chat, "new-message", message);
 387 }
 388
 389 static gboolean
 390 chat_input_key_press_event_cb (GtkWidget   *widget,
 391                                GdkEventKey *event,
 392                                GossipChat  *chat)
 393 {
 394         GossipChatPriv *priv;
 395         GtkAdjustment  *adj;
 396         gdouble         val;
 397         GtkWidget      *text_view_sw;
 398
 399         priv = GET_PRIV (chat);
 400
 401         if (event->keyval == GDK_Tab && !(event->state & GDK_CONTROL_MASK)) {
 402                 return TRUE;
 403         }
 404
 405         /* Catch enter but not ctrl/shift-enter */
 406         if (IS_ENTER (event->keyval) && !(event->state & GDK_SHIFT_MASK)) {
 407                 GtkTextView *view;
 408
 409                 /* This is to make sure that kinput2 gets the enter. And if
 410                  * it's handled there we shouldn't send on it. This is because
 411                  * kinput2 uses Enter to commit letters. See:
 412                  * http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104299
 413                  */
 414
 415                 view = GTK_TEXT_VIEW (chat->input_text_view);
 416                 if (gtk_im_context_filter_keypress (view->im_context, event)) {
 417                         GTK_TEXT_VIEW (chat->input_text_view)->need_im_reset = TRUE;
 418                         return TRUE;
 419                 }
 420
 421                 chat_input_text_view_send (chat);
 422                 return TRUE;
 423         }
 424
 425         text_view_sw = gtk_widget_get_parent (GTK_WIDGET (chat->view));
 426         if (IS_ENTER (event->keyval) && (event->state & GDK_SHIFT_MASK)) {
 427                 /* Newline for shift-enter. */
 428                 return FALSE;
 429         }
 430         else if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 431                  event->keyval == GDK_Page_Up) {
 432                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 433                 gtk_adjustment_set_value (adj, adj->value - adj->page_size);
 434
 435                 return TRUE;
 436         }
 437         else if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 438                  event->keyval == GDK_Page_Down) {
 439                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 440                 val = MIN (adj->value + adj->page_size, adj->upper - adj->page_size);
 441                 gtk_adjustment_set_value (adj, val);
 442
 443                 return TRUE;
 444         }
 445
 446         return FALSE;
 447 }
 448
 449 static gboolean
 450 chat_text_view_focus_in_event_cb (GtkWidget  *widget,
 451                                   GdkEvent   *event,
 452                                   GossipChat *chat)
 453 {
 454         gtk_widget_grab_focus (chat->input_text_view);
 455
 456         return TRUE;
 457 }
 458
 459 static void
 460 chat_input_text_buffer_changed_cb (GtkTextBuffer *buffer,
 461                                    GossipChat    *chat)
 462 {
 463         GossipChatPriv *priv;
 464         GtkTextIter     start, end;
 465         gchar          *str;
 466         gboolean        spell_checker = FALSE;
 467
 468         priv = GET_PRIV (chat);
 469
 470         if (gtk_text_buffer_get_char_count (buffer) == 0) {
 471                 chat_composing_stop (chat);
 472         } else {
 473                 chat_composing_start (chat);
 474         }
 475
 476         gossip_conf_get_bool (gossip_conf_get (),
 477                               GOSSIP_PREFS_CHAT_SPELL_CHECKER_ENABLED,
 478                               &spell_checker);
 479
 480         if (chat->is_first_char) {
 481                 GtkRequisition  req;
 482                 gint            window_height;
 483                 GtkWidget      *dialog;
 484                 GtkAllocation  *allocation;
 485
 486                 /* Save the window's size */
 487                 dialog = gossip_chat_window_get_dialog (priv->window);
 488                 gtk_window_get_size (GTK_WINDOW (dialog),
 489                                      NULL, &window_height);
 490
 491                 gtk_widget_size_request (chat->input_text_view, &req);
 492
 493                 allocation = &GTK_WIDGET (chat->view)->allocation;
 494
 495                 priv->default_window_height = window_height;
 496                 priv->last_input_height = req.height;
 497                 priv->padding_height = window_height - req.height - allocation->height;
 498
 499                 chat->is_first_char = FALSE;
 500         }
 501
 502         gtk_text_buffer_get_start_iter (buffer, &start);
 503
 504         if (!spell_checker) {
 505                 gtk_text_buffer_get_end_iter (buffer, &end);
 506                 gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 507                 return;
 508         }
 509
 510         if (!gossip_spell_supported ()) {
 511                 return;
 512         }
 513
 514         /* NOTE: this is really inefficient, we shouldn't have to
 515            reiterate the whole buffer each time and check each work
 516            every time. */
 517         while (TRUE) {
 518                 gboolean correct = FALSE;
 519
 520                 /* if at start */
 521                 if (gtk_text_iter_is_start (&start)) {
 522                         end = start;
 523
 524                         if (!gtk_text_iter_forward_word_end (&end)) {
 525                                 /* no whole word yet */
 526                                 break;
 527                         }
 528                 } else {
 529                         if (!gtk_text_iter_forward_word_end (&end)) {
 530                                 /* must be the end of the buffer */
 531                                 break;
 532                         }
 533
 534                         start = end;
 535                         gtk_text_iter_backward_word_start (&start);
 536                 }
 537
 538                 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 539
 540                 /* spell check string */
 541                 if (!gossip_chat_get_is_command (str)) {
 542                         correct = gossip_spell_check (str);
 543                 } else {
 544                         correct = TRUE;
 545                 }
 546
 547                 if (!correct) {
 548                         gtk_text_buffer_apply_tag_by_name (buffer, "misspelled", &start, &end);
 549                 } else {
 550                         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 551                 }
 552
 553                 g_free (str);
 554
 555                 /* set start iter to the end iters position */
 556                 start = end;
 557         }
 558 }
 559
 560 typedef struct {
 561         GtkWidget *window;
 562         gint       width;
 563         gint       height;
 564 } ChangeSizeData;
 565
 566 static gboolean
 567 chat_change_size_in_idle_cb (ChangeSizeData *data)
 568 {
 569         gtk_window_resize (GTK_WINDOW (data->window),
 570                            data->width, data->height);
 571
 572         return FALSE;
 573 }
 574
 575 static void
 576 chat_text_view_scroll_hide_cb (GtkWidget  *widget,
 577                                GossipChat *chat)
 578 {
 579         GossipChatPriv *priv;
 580         GtkWidget      *sw;
 581
 582         priv = GET_PRIV (chat);
 583
 584         priv->vscroll_visible = FALSE;
 585         g_signal_handlers_disconnect_by_func (widget, chat_text_view_scroll_hide_cb, chat);
 586
 587         sw = gtk_widget_get_parent (chat->input_text_view);
 588         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 589                                         GTK_POLICY_NEVER,
 590                                         GTK_POLICY_NEVER);
 591         g_object_set (sw, "height-request", -1, NULL);
 592 }
 593
 594 static void
 595 chat_text_view_size_allocate_cb (GtkWidget     *widget,
 596                                  GtkAllocation *allocation,
 597                                  GossipChat    *chat)
 598 {
 599         GossipChatPriv *priv;
 600         gint            width;
 601         GtkWidget      *dialog;
 602         ChangeSizeData *data;
 603         gint            window_height;
 604         gint            new_height;
 605         GtkAllocation  *view_allocation;
 606         gint            current_height;
 607         gint            diff;
 608         GtkWidget      *sw;
 609
 610         priv = GET_PRIV (chat);
 611
 612         if (priv->default_window_height <= 0) {
 613                 return;
 614         }
 615
 616         sw = gtk_widget_get_parent (widget);
 617         if (sw->allocation.height >= MAX_INPUT_HEIGHT && !priv->vscroll_visible) {
 618                 GtkWidget *vscroll;
 619
 620                 priv->vscroll_visible = TRUE;
 621                 gtk_widget_set_size_request (sw, sw->allocation.width, MAX_INPUT_HEIGHT);
 622                 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 623                                                 GTK_POLICY_NEVER,
 624                                                 GTK_POLICY_AUTOMATIC);
 625                 vscroll = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (sw));
 626                 g_signal_connect (vscroll, "hide",
 627                                   G_CALLBACK (chat_text_view_scroll_hide_cb),
 628                                   chat);
 629         }
 630
 631         if (priv->last_input_height <= allocation->height) {
 632                 priv->last_input_height = allocation->height;
 633                 return;
 634         }
 635
 636         diff = priv->last_input_height - allocation->height;
 637         priv->last_input_height = allocation->height;
 638
 639         view_allocation = &GTK_WIDGET (chat->view)->allocation;
 640
 641         dialog = gossip_chat_window_get_dialog (priv->window);
 642         gtk_window_get_size (GTK_WINDOW (dialog), NULL, &current_height);
 643
 644         new_height = view_allocation->height + priv->padding_height + allocation->height - diff;
 645
 646         if (new_height <= priv->default_window_height) {
 647                 window_height = priv->default_window_height;
 648         } else {
 649                 window_height = new_height;
 650         }
 651
 652         if (current_height <= window_height) {
 653                 return;
 654         }
 655
 656         /* Restore the window's size */
 657         gtk_window_get_size (GTK_WINDOW (dialog), &width, NULL);
 658
 659         data = g_new0 (ChangeSizeData, 1);
 660         data->window = dialog;
 661         data->width  = width;
 662         data->height = window_height;
 663
 664         g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
 665                          (GSourceFunc) chat_change_size_in_idle_cb,
 666                          data, g_free);
 667 }
 668
 669 static void
 670 chat_text_view_realize_cb (GtkWidget  *widget,
 671                            GossipChat *chat)
 672 {
 673         gossip_debug (DEBUG_DOMAIN, "Setting focus to the input text view");
 674         gtk_widget_grab_focus (widget);
 675 }
 676
 677 static void
 678 chat_insert_smiley_activate_cb (GtkWidget  *menuitem,
 679                                 GossipChat *chat)
 680 {
 681         GtkTextBuffer *buffer;
 682         GtkTextIter    iter;
 683         const gchar   *smiley;
 684
 685         smiley = g_object_get_data (G_OBJECT (menuitem), "smiley_text");
 686
 687         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 688
 689         gtk_text_buffer_get_end_iter (buffer, &iter);
 690         gtk_text_buffer_insert (buffer, &iter, smiley, -1);
 691
 692         gtk_text_buffer_get_end_iter (buffer, &iter);
 693         gtk_text_buffer_insert (buffer, &iter, " ", -1);
 694 }
 695
 696 static void
 697 chat_text_populate_popup_cb (GtkTextView *view,
 698                              GtkMenu     *menu,
 699                              GossipChat  *chat)
 700 {
 701         GossipChatPriv  *priv;
 702         GtkTextBuffer   *buffer;
 703         GtkTextTagTable *table;
 704         GtkTextTag      *tag;
 705         gint             x, y;
 706         GtkTextIter      iter, start, end;
 707         GtkWidget       *item;
 708         gchar           *str = NULL;
 709         GossipChatSpell *chat_spell;
 710         GtkWidget       *smiley_menu;
 711
 712         priv = GET_PRIV (chat);
 713
 714         /* Add the emoticon menu. */
 715         item = gtk_separator_menu_item_new ();
 716         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 717         gtk_widget_show (item);
 718
 719         item = gtk_menu_item_new_with_mnemonic (_("Insert Smiley"));
 720         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 721         gtk_widget_show (item);
 722
 723         smiley_menu = gossip_chat_view_get_smiley_menu (
 724                 G_CALLBACK (chat_insert_smiley_activate_cb),
 725                 chat,
 726                 priv->tooltips);
 727         gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu);
 728
 729         /* Add the spell check menu item. */
 730         buffer = gtk_text_view_get_buffer (view);
 731         table = gtk_text_buffer_get_tag_table (buffer);
 732
 733         tag = gtk_text_tag_table_lookup (table, "misspelled");
 734
 735         gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
 736
 737         gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
 738                                                GTK_TEXT_WINDOW_WIDGET,
 739                                                x, y,
 740                                                &x, &y);
 741
 742         gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y);
 743
 744         start = end = iter;
 745
 746         if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
 747             gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
 748
 749                 str = gtk_text_buffer_get_text (buffer,
 750                                                 &start, &end, FALSE);
 751         }
 752
 753         if (G_STR_EMPTY (str)) {
 754                 return;
 755         }
 756
 757         chat_spell = chat_spell_new (chat, str, start, end);
 758
 759         g_object_set_data_full (G_OBJECT (menu),
 760                                 "chat_spell", chat_spell,
 761                                 (GDestroyNotify) chat_spell_free);
 762
 763         item = gtk_separator_menu_item_new ();
 764         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 765         gtk_widget_show (item);
 766
 767         item = gtk_menu_item_new_with_mnemonic (_("_Check Word Spelling..."));
 768         g_signal_connect (item,
 769                           "activate",
 770                           G_CALLBACK (chat_text_check_word_spelling_cb),
 771                           chat_spell);
 772         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 773         gtk_widget_show (item);
 774 }
 775
 776 static void
 777 chat_text_check_word_spelling_cb (GtkMenuItem     *menuitem,
 778                                   GossipChatSpell *chat_spell)
 779 {
 780 /*FIXME:        gossip_spell_dialog_show (chat_spell->chat,
 781                                   chat_spell->start,
 782                                   chat_spell->end,
 783                                   chat_spell->word);*/
 784 }
 785
 786 static GossipChatSpell *
 787 chat_spell_new (GossipChat  *chat,
 788                 const gchar *word,
 789                 GtkTextIter  start,
 790                 GtkTextIter  end)
 791 {
 792         GossipChatSpell *chat_spell;
 793
 794         chat_spell = g_new0 (GossipChatSpell, 1);
 795
 796         chat_spell->chat = g_object_ref (chat);
 797         chat_spell->word = g_strdup (word);
 798         chat_spell->start = start;
 799         chat_spell->end = end;
 800
 801         return chat_spell;
 802 }
 803
 804 static void
 805 chat_spell_free (GossipChatSpell *chat_spell)
 806 {
 807         g_object_unref (chat_spell->chat);
 808         g_free (chat_spell->word);
 809         g_free (chat_spell);
 810 }
 811
 812 static void
 813 chat_composing_start (GossipChat *chat)
 814 {
 815         GossipChatPriv *priv;
 816
 817         priv = GET_PRIV (chat);
 818
 819         if (priv->composing_stop_timeout_id) {
 820                 /* Just restart the timeout */
 821                 chat_composing_remove_timeout (chat);
 822         } else {
 823         /* FIXME:
 824                 gossip_session_send_composing (gossip_app_get_session (),
 825                                                priv->contact, TRUE);
 826                                               */
 827         }
 828
 829         priv->composing_stop_timeout_id = g_timeout_add (
 830                 1000 * COMPOSING_STOP_TIMEOUT,
 831                 (GSourceFunc) chat_composing_stop_timeout_cb,
 832                 chat);
 833 }
 834
 835 static void
 836 chat_composing_stop (GossipChat *chat)
 837 {
 838         GossipChatPriv *priv;
 839
 840         priv = GET_PRIV (chat);
 841
 842         chat_composing_remove_timeout (chat);
 843         /* FIXME:
 844         gossip_session_send_composing (gossip_app_get_session (),
 845                                        priv->contact, FALSE);*/
 846 }
 847
 848 static void
 849 chat_composing_remove_timeout (GossipChat *chat)
 850 {
 851         GossipChatPriv *priv;
 852
 853         priv = GET_PRIV (chat);
 854
 855         if (priv->composing_stop_timeout_id) {
 856                 g_source_remove (priv->composing_stop_timeout_id);
 857                 priv->composing_stop_timeout_id = 0;
 858         }
 859 }
 860
 861 static gboolean
 862 chat_composing_stop_timeout_cb (GossipChat *chat)
 863 {
 864         GossipChatPriv *priv;
 865
 866         priv = GET_PRIV (chat);
 867
 868         priv->composing_stop_timeout_id = 0;
 869         /* FIXME:
 870         gossip_session_send_composing (gossip_app_get_session (),
 871                                        priv->contact, FALSE);*/
 872
 873         return FALSE;
 874 }
 875
 876 gboolean
 877 gossip_chat_get_is_command (const gchar *str)
 878 {
 879         g_return_val_if_fail (str != NULL, FALSE);
 880
 881         if (str[0] != '/') {
 882                 return FALSE;
 883         }
 884
 885         if (g_str_has_prefix (str, "/me")) {
 886                 return TRUE;
 887         }
 888         else if (g_str_has_prefix (str, "/nick")) {
 889                 return TRUE;
 890         }
 891         else if (g_str_has_prefix (str, "/topic")) {
 892                 return TRUE;
 893         }
 894
 895         return FALSE;
 896 }
 897
 898 void
 899 gossip_chat_correct_word (GossipChat  *chat,
 900                           GtkTextIter  start,
 901                           GtkTextIter  end,
 902                           const gchar *new_word)
 903 {
 904         GtkTextBuffer *buffer;
 905
 906         g_return_if_fail (chat != NULL);
 907         g_return_if_fail (new_word != NULL);
 908
 909         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 910
 911         gtk_text_buffer_delete (buffer, &start, &end);
 912         gtk_text_buffer_insert (buffer, &start,
 913                                 new_word,
 914                                 -1);
 915 }
 916
 917 const gchar *
 918 gossip_chat_get_name (GossipChat *chat)
 919 {
 920         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
 921
 922         if (GOSSIP_CHAT_GET_CLASS (chat)->get_name) {
 923                 return GOSSIP_CHAT_GET_CLASS (chat)->get_name (chat);
 924         }
 925
 926         return NULL;
 927 }
 928
 929 gchar *
 930 gossip_chat_get_tooltip (GossipChat *chat)
 931 {
 932         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
 933
 934         if (GOSSIP_CHAT_GET_CLASS (chat)->get_tooltip) {
 935                 return GOSSIP_CHAT_GET_CLASS (chat)->get_tooltip (chat);
 936         }
 937
 938         return NULL;
 939 }
 940
 941 GdkPixbuf *
 942 gossip_chat_get_status_pixbuf (GossipChat *chat)
 943 {
 944         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
 945
 946         if (GOSSIP_CHAT_GET_CLASS (chat)->get_status_pixbuf) {
 947                 return GOSSIP_CHAT_GET_CLASS (chat)->get_status_pixbuf (chat);
 948         }
 949
 950         return NULL;
 951 }
 952
 953 GossipContact *
 954 gossip_chat_get_contact (GossipChat *chat)
 955 {
 956         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
 957
 958         if (GOSSIP_CHAT_GET_CLASS (chat)->get_contact) {
 959                 return GOSSIP_CHAT_GET_CLASS (chat)->get_contact (chat);
 960         }
 961
 962         return NULL;
 963 }
 964 GossipContact *
 965 gossip_chat_get_own_contact (GossipChat *chat)
 966 {
 967         EmpathyContactManager *manager;
 968
 969         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
 970
 971         manager = empathy_session_get_contact_manager ();
 972
 973         return empathy_contact_manager_get_own (manager, chat->account);
 974 }
 975
 976 GtkWidget *
 977 gossip_chat_get_widget (GossipChat *chat)
 978 {
 979         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
 980
 981         if (GOSSIP_CHAT_GET_CLASS (chat)->get_widget) {
 982                 return GOSSIP_CHAT_GET_CLASS (chat)->get_widget (chat);
 983         }
 984
 985         return NULL;
 986 }
 987
 988 gboolean
 989 gossip_chat_is_group_chat (GossipChat *chat)
 990 {
 991         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
 992
 993         if (GOSSIP_CHAT_GET_CLASS (chat)->is_group_chat) {
 994                 return GOSSIP_CHAT_GET_CLASS (chat)->is_group_chat (chat);
 995         }
 996
 997         return FALSE;
 998 }
 999
1000 gboolean
1001 gossip_chat_is_connected (GossipChat *chat)
1002 {
1003         GossipChatPriv *priv;
1004
1005         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
1006
1007         priv = GET_PRIV (chat);
1008
1009         return (priv->tp_chat != NULL);
1010 }
1011
1012 gboolean
1013 gossip_chat_get_show_contacts (GossipChat *chat)
1014 {
1015         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
1016
1017         if (GOSSIP_CHAT_GET_CLASS (chat)->get_show_contacts) {
1018                 return GOSSIP_CHAT_GET_CLASS (chat)->get_show_contacts (chat);
1019         }
1020
1021         return FALSE;
1022 }
1023
1024 void
1025 gossip_chat_set_show_contacts (GossipChat *chat,
1026                                gboolean    show)
1027 {
1028         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1029
1030         if (GOSSIP_CHAT_GET_CLASS (chat)->set_show_contacts) {
1031                 GOSSIP_CHAT_GET_CLASS (chat)->set_show_contacts (chat, show);
1032         }
1033 }
1034
1035 void
1036 gossip_chat_save_geometry (GossipChat *chat,
1037                            gint        x,
1038                            gint        y,
1039                            gint        w,
1040                            gint        h)
1041 {
1042         gossip_geometry_save (gossip_chat_get_id (chat), x, y, w, h);
1043 }
1044
1045 void
1046 gossip_chat_load_geometry (GossipChat *chat,
1047                            gint       *x,
1048                            gint       *y,
1049                            gint       *w,
1050                            gint       *h)
1051 {
1052         gossip_geometry_load (gossip_chat_get_id (chat), x, y, w, h);
1053 }
1054
1055 void
1056 gossip_chat_set_tp_chat (GossipChat    *chat,
1057                          EmpathyTpChat *tp_chat)
1058 {
1059         GossipChatPriv *priv;
1060         GtkWidget      *widget;
1061
1062         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1063         g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
1064
1065         priv = GET_PRIV (chat);
1066
1067         if (tp_chat == priv->tp_chat) {
1068                 return;
1069         }
1070
1071         if (priv->tp_chat) {
1072                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1073                                                       chat_message_received_cb,
1074                                                       chat);
1075                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1076                                                       chat_destroy_cb,
1077                                                       chat);
1078                 g_object_unref (priv->tp_chat);
1079         }
1080
1081         g_free (priv->id);
1082         priv->tp_chat = g_object_ref (tp_chat);
1083         priv->id = g_strdup (empathy_tp_chat_get_id (tp_chat));
1084
1085         g_signal_connect (tp_chat, "message-received",
1086                           G_CALLBACK (chat_message_received_cb),
1087                           chat);
1088         g_signal_connect (tp_chat, "destroy",
1089                           G_CALLBACK (chat_destroy_cb),
1090                           chat);
1091
1092         empathy_tp_chat_request_pending (tp_chat);
1093
1094         if (!priv->sensitive) {
1095                 widget = gossip_chat_get_widget (chat);
1096                 gtk_widget_set_sensitive (widget, TRUE);
1097                 gossip_chat_view_append_event (chat->view, _("Connected"));
1098                 priv->sensitive = TRUE;
1099         }
1100 }
1101
1102 const gchar *
1103 gossip_chat_get_id (GossipChat *chat)
1104 {
1105         GossipChatPriv *priv;
1106
1107         priv = GET_PRIV (chat);
1108
1109         return priv->id;
1110 }
1111
1112 void
1113 gossip_chat_clear (GossipChat *chat)
1114 {
1115         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1116
1117         gossip_chat_view_clear (chat->view);
1118 }
1119
1120 void
1121 gossip_chat_set_window (GossipChat       *chat,
1122                         GossipChatWindow *window)
1123 {
1124         GossipChatPriv *priv;
1125
1126         priv = GET_PRIV (chat);
1127         priv->window = window;
1128 }
1129
1130 GossipChatWindow *
1131 gossip_chat_get_window (GossipChat *chat)
1132 {
1133         GossipChatPriv *priv;
1134
1135         priv = GET_PRIV (chat);
1136
1137         return priv->window;
1138 }
1139
1140 void
1141 gossip_chat_scroll_down (GossipChat *chat)
1142 {
1143         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1144
1145         gossip_chat_view_scroll_down (chat->view);
1146 }
1147
1148 void
1149 gossip_chat_cut (GossipChat *chat)
1150 {
1151         GtkTextBuffer *buffer;
1152
1153         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1154
1155         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1156         if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
1157                 GtkClipboard *clipboard;
1158
1159                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1160
1161                 gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE);
1162         }
1163 }
1164
1165 void
1166 gossip_chat_copy (GossipChat *chat)
1167 {
1168         GtkTextBuffer *buffer;
1169
1170         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1171
1172         if (gossip_chat_view_get_selection_bounds (chat->view, NULL, NULL)) {
1173                 gossip_chat_view_copy_clipboard (chat->view);
1174                 return;
1175         }
1176
1177         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1178         if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
1179                 GtkClipboard *clipboard;
1180
1181                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1182
1183                 gtk_text_buffer_copy_clipboard (buffer, clipboard);
1184         }
1185 }
1186
1187 void
1188 gossip_chat_paste (GossipChat *chat)
1189 {
1190         GtkTextBuffer *buffer;
1191         GtkClipboard  *clipboard;
1192
1193         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1194
1195         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1196         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1197
1198         gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE);
1199 }
1200
1201 void
1202 gossip_chat_present (GossipChat *chat)
1203 {
1204         GossipChatPriv *priv;
1205
1206         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1207
1208         priv = GET_PRIV (chat);
1209
1210         if (priv->window == NULL) {
1211                 GossipChatWindow *window;
1212
1213                 window = gossip_chat_window_get_default ();
1214                 if (!window) {
1215                         window = gossip_chat_window_new ();
1216                 }
1217
1218                 gossip_chat_window_add_chat (window, chat);
1219         }
1220
1221         gossip_chat_window_switch_to_chat (priv->window, chat);
1222         gossip_window_present (
1223                 GTK_WINDOW (gossip_chat_window_get_dialog (priv->window)),
1224                 TRUE);
1225
1226         gtk_widget_grab_focus (chat->input_text_view);
1227 }
1228
1229 gboolean
1230 gossip_chat_should_play_sound (GossipChat *chat)
1231 {
1232         GossipChatWindow *window;
1233         gboolean          play = TRUE;
1234
1235         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
1236
1237         window = gossip_chat_get_window (GOSSIP_CHAT (chat));
1238         if (!window) {
1239                 return TRUE;
1240         }
1241
1242         play = !gossip_chat_window_has_focus (window);
1243
1244         return play;
1245 }
1246
1247 gboolean
1248 gossip_chat_should_highlight_nick (GossipMessage *message)
1249 {
1250         GossipContact *my_contact;
1251         const gchar   *msg, *to;
1252         gchar         *cf_msg, *cf_to;
1253         gchar         *ch;
1254         gboolean       ret_val;
1255
1256         g_return_val_if_fail (GOSSIP_IS_MESSAGE (message), FALSE);
1257
1258         gossip_debug (DEBUG_DOMAIN, "Highlighting nickname");
1259
1260         ret_val = FALSE;
1261
1262         msg = gossip_message_get_body (message);
1263         if (!msg) {
1264                 return FALSE;
1265         }
1266
1267         my_contact = gossip_get_own_contact_from_contact (gossip_message_get_sender (message));
1268         to = gossip_contact_get_name (my_contact);
1269         if (!to) {
1270                 return FALSE;
1271         }
1272
1273         cf_msg = g_utf8_casefold (msg, -1);
1274         cf_to = g_utf8_casefold (to, -1);
1275
1276         ch = strstr (cf_msg, cf_to);
1277         if (ch == NULL) {
1278                 goto finished;
1279         }
1280
1281         if (ch != cf_msg) {
1282                 /* Not first in the message */
1283                 if ((*(ch - 1) != ' ') &&
1284                     (*(ch - 1) != ',') &&
1285                     (*(ch - 1) != '.')) {
1286                         goto finished;
1287                 }
1288         }
1289
1290         ch = ch + strlen (cf_to);
1291         if (ch >= cf_msg + strlen (cf_msg)) {
1292                 ret_val = TRUE;
1293                 goto finished;
1294         }
1295
1296         if ((*ch == ' ') ||
1297             (*ch == ',') ||
1298             (*ch == '.') ||
1299             (*ch == ':')) {
1300                 ret_val = TRUE;
1301                 goto finished;
1302         }
1303
1304 finished:
1305         g_free (cf_msg);
1306         g_free (cf_to);
1307
1308         return ret_val;
1309 }
1310