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_free (priv->id);
 279
 280         G_OBJECT_CLASS (gossip_chat_parent_class)->finalize (object);
 281 }
 282
 283 static void
 284 chat_destroy_cb (EmpathyTpChat *tp_chat,
 285                  GossipChat    *chat)
 286 {
 287         GossipChatPriv *priv;
 288         GtkWidget      *widget;
 289
 290         priv = GET_PRIV (chat);
 291
 292         if (priv->tp_chat) {
 293                 g_object_unref (priv->tp_chat);
 294                 priv->tp_chat = NULL;
 295         }
 296
 297         gossip_chat_view_append_event (chat->view, _("Disconnected"));
 298
 299         widget = gossip_chat_get_widget (chat);
 300         gtk_widget_set_sensitive (widget, FALSE);
 301         priv->sensitive = FALSE;
 302 }
 303
 304 static void
 305 chat_send (GossipChat  *chat,
 306            const gchar *msg)
 307 {
 308         GossipChatPriv   *priv;
 309         //GossipLogManager *log_manager;
 310         GossipMessage    *message;
 311         GossipContact    *own_contact;
 312
 313         priv = GET_PRIV (chat);
 314
 315         if (msg == NULL || msg[0] == '\0') {
 316                 return;
 317         }
 318
 319         if (g_str_has_prefix (msg, "/clear")) {
 320                 gossip_chat_view_clear (chat->view);
 321                 return;
 322         }
 323
 324         /* FIXME: gossip_app_set_not_away ();*/
 325
 326         own_contact = gossip_chat_get_own_contact (chat);
 327         message = gossip_message_new (msg);
 328         gossip_message_set_sender (message, own_contact);
 329
 330         //FIXME: log_manager = gossip_session_get_log_manager (gossip_app_get_session ());
 331         //gossip_log_message_for_contact (log_manager, message, FALSE);
 332
 333         empathy_tp_chat_send (priv->tp_chat, message);
 334
 335         g_object_unref (message);
 336 }
 337
 338 static void
 339 chat_input_text_view_send (GossipChat *chat)
 340 {
 341         GossipChatPriv *priv;
 342         GtkTextBuffer  *buffer;
 343         GtkTextIter     start, end;
 344         gchar          *msg;
 345
 346         priv = GET_PRIV (chat);
 347
 348         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 349
 350         gtk_text_buffer_get_bounds (buffer, &start, &end);
 351         msg = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 352
 353         /* clear the input field */
 354         gtk_text_buffer_set_text (buffer, "", -1);
 355
 356         chat_send (chat, msg);
 357
 358         g_free (msg);
 359
 360         chat->is_first_char = TRUE;
 361 }
 362
 363 static void
 364 chat_message_received_cb (EmpathyTpChat *tp_chat,
 365                           GossipMessage *message,
 366                           GossipChat    *chat)
 367 {
 368         GossipChatPriv *priv;
 369         //GossipLogManager      *log_manager;
 370         GossipContact         *sender;
 371
 372         priv = GET_PRIV (chat);
 373
 374         sender = gossip_message_get_sender (message);
 375         gossip_debug (DEBUG_DOMAIN, "Appending message ('%s')",
 376                       gossip_contact_get_name (sender));
 377
 378 /*FIXME:
 379         log_manager = gossip_session_get_log_manager (gossip_app_get_session ());
 380         gossip_log_message_for_contact (log_manager, message, TRUE);
 381 */
 382         gossip_chat_view_append_message (chat->view, message);
 383
 384         if (gossip_chat_should_play_sound (chat)) {
 385                 // FIXME: gossip_sound_play (GOSSIP_SOUND_CHAT);
 386         }
 387
 388         g_signal_emit_by_name (chat, "new-message", message);
 389 }
 390
 391 static gboolean
 392 chat_input_key_press_event_cb (GtkWidget   *widget,
 393                                GdkEventKey *event,
 394                                GossipChat  *chat)
 395 {
 396         GossipChatPriv *priv;
 397         GtkAdjustment  *adj;
 398         gdouble         val;
 399         GtkWidget      *text_view_sw;
 400
 401         priv = GET_PRIV (chat);
 402
 403         if (event->keyval == GDK_Tab && !(event->state & GDK_CONTROL_MASK)) {
 404                 return TRUE;
 405         }
 406
 407         /* Catch enter but not ctrl/shift-enter */
 408         if (IS_ENTER (event->keyval) && !(event->state & GDK_SHIFT_MASK)) {
 409                 GtkTextView *view;
 410
 411                 /* This is to make sure that kinput2 gets the enter. And if
 412                  * it's handled there we shouldn't send on it. This is because
 413                  * kinput2 uses Enter to commit letters. See:
 414                  * http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104299
 415                  */
 416
 417                 view = GTK_TEXT_VIEW (chat->input_text_view);
 418                 if (gtk_im_context_filter_keypress (view->im_context, event)) {
 419                         GTK_TEXT_VIEW (chat->input_text_view)->need_im_reset = TRUE;
 420                         return TRUE;
 421                 }
 422
 423                 chat_input_text_view_send (chat);
 424                 return TRUE;
 425         }
 426
 427         text_view_sw = gtk_widget_get_parent (GTK_WIDGET (chat->view));
 428         if (IS_ENTER (event->keyval) && (event->state & GDK_SHIFT_MASK)) {
 429                 /* Newline for shift-enter. */
 430                 return FALSE;
 431         }
 432         else if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 433                  event->keyval == GDK_Page_Up) {
 434                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 435                 gtk_adjustment_set_value (adj, adj->value - adj->page_size);
 436
 437                 return TRUE;
 438         }
 439         else if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 440                  event->keyval == GDK_Page_Down) {
 441                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 442                 val = MIN (adj->value + adj->page_size, adj->upper - adj->page_size);
 443                 gtk_adjustment_set_value (adj, val);
 444
 445                 return TRUE;
 446         }
 447
 448         return FALSE;
 449 }
 450
 451 static gboolean
 452 chat_text_view_focus_in_event_cb (GtkWidget  *widget,
 453                                   GdkEvent   *event,
 454                                   GossipChat *chat)
 455 {
 456         gtk_widget_grab_focus (chat->input_text_view);
 457
 458         return TRUE;
 459 }
 460
 461 static void
 462 chat_input_text_buffer_changed_cb (GtkTextBuffer *buffer,
 463                                    GossipChat    *chat)
 464 {
 465         GossipChatPriv *priv;
 466         GtkTextIter     start, end;
 467         gchar          *str;
 468         gboolean        spell_checker = FALSE;
 469
 470         priv = GET_PRIV (chat);
 471
 472         if (gtk_text_buffer_get_char_count (buffer) == 0) {
 473                 chat_composing_stop (chat);
 474         } else {
 475                 chat_composing_start (chat);
 476         }
 477
 478         gossip_conf_get_bool (gossip_conf_get (),
 479                               GOSSIP_PREFS_CHAT_SPELL_CHECKER_ENABLED,
 480                               &spell_checker);
 481
 482         if (chat->is_first_char) {
 483                 GtkRequisition  req;
 484                 gint            window_height;
 485                 GtkWidget      *dialog;
 486                 GtkAllocation  *allocation;
 487
 488                 /* Save the window's size */
 489                 dialog = gossip_chat_window_get_dialog (priv->window);
 490                 gtk_window_get_size (GTK_WINDOW (dialog),
 491                                      NULL, &window_height);
 492
 493                 gtk_widget_size_request (chat->input_text_view, &req);
 494
 495                 allocation = &GTK_WIDGET (chat->view)->allocation;
 496
 497                 priv->default_window_height = window_height;
 498                 priv->last_input_height = req.height;
 499                 priv->padding_height = window_height - req.height - allocation->height;
 500
 501                 chat->is_first_char = FALSE;
 502         }
 503
 504         gtk_text_buffer_get_start_iter (buffer, &start);
 505
 506         if (!spell_checker) {
 507                 gtk_text_buffer_get_end_iter (buffer, &end);
 508                 gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 509                 return;
 510         }
 511
 512         if (!gossip_spell_supported ()) {
 513                 return;
 514         }
 515
 516         /* NOTE: this is really inefficient, we shouldn't have to
 517            reiterate the whole buffer each time and check each work
 518            every time. */
 519         while (TRUE) {
 520                 gboolean correct = FALSE;
 521
 522                 /* if at start */
 523                 if (gtk_text_iter_is_start (&start)) {
 524                         end = start;
 525
 526                         if (!gtk_text_iter_forward_word_end (&end)) {
 527                                 /* no whole word yet */
 528                                 break;
 529                         }
 530                 } else {
 531                         if (!gtk_text_iter_forward_word_end (&end)) {
 532                                 /* must be the end of the buffer */
 533                                 break;
 534                         }
 535
 536                         start = end;
 537                         gtk_text_iter_backward_word_start (&start);
 538                 }
 539
 540                 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 541
 542                 /* spell check string */
 543                 if (!gossip_chat_get_is_command (str)) {
 544                         correct = gossip_spell_check (str);
 545                 } else {
 546                         correct = TRUE;
 547                 }
 548
 549                 if (!correct) {
 550                         gtk_text_buffer_apply_tag_by_name (buffer, "misspelled", &start, &end);
 551                 } else {
 552                         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 553                 }
 554
 555                 g_free (str);
 556
 557                 /* set start iter to the end iters position */
 558                 start = end;
 559         }
 560 }
 561
 562 typedef struct {
 563         GtkWidget *window;
 564         gint       width;
 565         gint       height;
 566 } ChangeSizeData;
 567
 568 static gboolean
 569 chat_change_size_in_idle_cb (ChangeSizeData *data)
 570 {
 571         gtk_window_resize (GTK_WINDOW (data->window),
 572                            data->width, data->height);
 573
 574         return FALSE;
 575 }
 576
 577 static void
 578 chat_text_view_scroll_hide_cb (GtkWidget  *widget,
 579                                GossipChat *chat)
 580 {
 581         GossipChatPriv *priv;
 582         GtkWidget      *sw;
 583
 584         priv = GET_PRIV (chat);
 585
 586         priv->vscroll_visible = FALSE;
 587         g_signal_handlers_disconnect_by_func (widget, chat_text_view_scroll_hide_cb, chat);
 588
 589         sw = gtk_widget_get_parent (chat->input_text_view);
 590         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 591                                         GTK_POLICY_NEVER,
 592                                         GTK_POLICY_NEVER);
 593         g_object_set (sw, "height-request", -1, NULL);
 594 }
 595
 596 static void
 597 chat_text_view_size_allocate_cb (GtkWidget     *widget,
 598                                  GtkAllocation *allocation,
 599                                  GossipChat    *chat)
 600 {
 601         GossipChatPriv *priv;
 602         gint            width;
 603         GtkWidget      *dialog;
 604         ChangeSizeData *data;
 605         gint            window_height;
 606         gint            new_height;
 607         GtkAllocation  *view_allocation;
 608         gint            current_height;
 609         gint            diff;
 610         GtkWidget      *sw;
 611
 612         priv = GET_PRIV (chat);
 613
 614         if (priv->default_window_height <= 0) {
 615                 return;
 616         }
 617
 618         sw = gtk_widget_get_parent (widget);
 619         if (sw->allocation.height >= MAX_INPUT_HEIGHT && !priv->vscroll_visible) {
 620                 GtkWidget *vscroll;
 621
 622                 priv->vscroll_visible = TRUE;
 623                 gtk_widget_set_size_request (sw, sw->allocation.width, MAX_INPUT_HEIGHT);
 624                 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 625                                                 GTK_POLICY_NEVER,
 626                                                 GTK_POLICY_AUTOMATIC);
 627                 vscroll = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (sw));
 628                 g_signal_connect (vscroll, "hide",
 629                                   G_CALLBACK (chat_text_view_scroll_hide_cb),
 630                                   chat);
 631         }
 632
 633         if (priv->last_input_height <= allocation->height) {
 634                 priv->last_input_height = allocation->height;
 635                 return;
 636         }
 637
 638         diff = priv->last_input_height - allocation->height;
 639         priv->last_input_height = allocation->height;
 640
 641         view_allocation = &GTK_WIDGET (chat->view)->allocation;
 642
 643         dialog = gossip_chat_window_get_dialog (priv->window);
 644         gtk_window_get_size (GTK_WINDOW (dialog), NULL, &current_height);
 645
 646         new_height = view_allocation->height + priv->padding_height + allocation->height - diff;
 647
 648         if (new_height <= priv->default_window_height) {
 649                 window_height = priv->default_window_height;
 650         } else {
 651                 window_height = new_height;
 652         }
 653
 654         if (current_height <= window_height) {
 655                 return;
 656         }
 657
 658         /* Restore the window's size */
 659         gtk_window_get_size (GTK_WINDOW (dialog), &width, NULL);
 660
 661         data = g_new0 (ChangeSizeData, 1);
 662         data->window = dialog;
 663         data->width  = width;
 664         data->height = window_height;
 665
 666         g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
 667                          (GSourceFunc) chat_change_size_in_idle_cb,
 668                          data, g_free);
 669 }
 670
 671 static void
 672 chat_text_view_realize_cb (GtkWidget  *widget,
 673                            GossipChat *chat)
 674 {
 675         gossip_debug (DEBUG_DOMAIN, "Setting focus to the input text view");
 676         gtk_widget_grab_focus (widget);
 677 }
 678
 679 static void
 680 chat_insert_smiley_activate_cb (GtkWidget  *menuitem,
 681                                 GossipChat *chat)
 682 {
 683         GtkTextBuffer *buffer;
 684         GtkTextIter    iter;
 685         const gchar   *smiley;
 686
 687         smiley = g_object_get_data (G_OBJECT (menuitem), "smiley_text");
 688
 689         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 690
 691         gtk_text_buffer_get_end_iter (buffer, &iter);
 692         gtk_text_buffer_insert (buffer, &iter, smiley, -1);
 693
 694         gtk_text_buffer_get_end_iter (buffer, &iter);
 695         gtk_text_buffer_insert (buffer, &iter, " ", -1);
 696 }
 697
 698 static void
 699 chat_text_populate_popup_cb (GtkTextView *view,
 700                              GtkMenu     *menu,
 701                              GossipChat  *chat)
 702 {
 703         GossipChatPriv  *priv;
 704         GtkTextBuffer   *buffer;
 705         GtkTextTagTable *table;
 706         GtkTextTag      *tag;
 707         gint             x, y;
 708         GtkTextIter      iter, start, end;
 709         GtkWidget       *item;
 710         gchar           *str = NULL;
 711         GossipChatSpell *chat_spell;
 712         GtkWidget       *smiley_menu;
 713
 714         priv = GET_PRIV (chat);
 715
 716         /* Add the emoticon menu. */
 717         item = gtk_separator_menu_item_new ();
 718         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 719         gtk_widget_show (item);
 720
 721         item = gtk_menu_item_new_with_mnemonic (_("Insert Smiley"));
 722         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 723         gtk_widget_show (item);
 724
 725         smiley_menu = gossip_chat_view_get_smiley_menu (
 726                 G_CALLBACK (chat_insert_smiley_activate_cb),
 727                 chat,
 728                 priv->tooltips);
 729         gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu);
 730
 731         /* Add the spell check menu item. */
 732         buffer = gtk_text_view_get_buffer (view);
 733         table = gtk_text_buffer_get_tag_table (buffer);
 734
 735         tag = gtk_text_tag_table_lookup (table, "misspelled");
 736
 737         gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
 738
 739         gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
 740                                                GTK_TEXT_WINDOW_WIDGET,
 741                                                x, y,
 742                                                &x, &y);
 743
 744         gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y);
 745
 746         start = end = iter;
 747
 748         if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
 749             gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
 750
 751                 str = gtk_text_buffer_get_text (buffer,
 752                                                 &start, &end, FALSE);
 753         }
 754
 755         if (G_STR_EMPTY (str)) {
 756                 return;
 757         }
 758
 759         chat_spell = chat_spell_new (chat, str, start, end);
 760
 761         g_object_set_data_full (G_OBJECT (menu),
 762                                 "chat_spell", chat_spell,
 763                                 (GDestroyNotify) chat_spell_free);
 764
 765         item = gtk_separator_menu_item_new ();
 766         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 767         gtk_widget_show (item);
 768
 769         item = gtk_menu_item_new_with_mnemonic (_("_Check Word Spelling..."));
 770         g_signal_connect (item,
 771                           "activate",
 772                           G_CALLBACK (chat_text_check_word_spelling_cb),
 773                           chat_spell);
 774         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 775         gtk_widget_show (item);
 776 }
 777
 778 static void
 779 chat_text_check_word_spelling_cb (GtkMenuItem     *menuitem,
 780                                   GossipChatSpell *chat_spell)
 781 {
 782 /*FIXME:        gossip_spell_dialog_show (chat_spell->chat,
 783                                   chat_spell->start,
 784                                   chat_spell->end,
 785                                   chat_spell->word);*/
 786 }
 787
 788 static GossipChatSpell *
 789 chat_spell_new (GossipChat  *chat,
 790                 const gchar *word,
 791                 GtkTextIter  start,
 792                 GtkTextIter  end)
 793 {
 794         GossipChatSpell *chat_spell;
 795
 796         chat_spell = g_new0 (GossipChatSpell, 1);
 797
 798         chat_spell->chat = g_object_ref (chat);
 799         chat_spell->word = g_strdup (word);
 800         chat_spell->start = start;
 801         chat_spell->end = end;
 802
 803         return chat_spell;
 804 }
 805
 806 static void
 807 chat_spell_free (GossipChatSpell *chat_spell)
 808 {
 809         g_object_unref (chat_spell->chat);
 810         g_free (chat_spell->word);
 811         g_free (chat_spell);
 812 }
 813
 814 static void
 815 chat_composing_start (GossipChat *chat)
 816 {
 817         GossipChatPriv *priv;
 818
 819         priv = GET_PRIV (chat);
 820
 821         if (priv->composing_stop_timeout_id) {
 822                 /* Just restart the timeout */
 823                 chat_composing_remove_timeout (chat);
 824         } else {
 825         /* FIXME:
 826                 gossip_session_send_composing (gossip_app_get_session (),
 827                                                priv->contact, TRUE);
 828                                               */
 829         }
 830
 831         priv->composing_stop_timeout_id = g_timeout_add (
 832                 1000 * COMPOSING_STOP_TIMEOUT,
 833                 (GSourceFunc) chat_composing_stop_timeout_cb,
 834                 chat);
 835 }
 836
 837 static void
 838 chat_composing_stop (GossipChat *chat)
 839 {
 840         GossipChatPriv *priv;
 841
 842         priv = GET_PRIV (chat);
 843
 844         chat_composing_remove_timeout (chat);
 845         /* FIXME:
 846         gossip_session_send_composing (gossip_app_get_session (),
 847                                        priv->contact, FALSE);*/
 848 }
 849
 850 static void
 851 chat_composing_remove_timeout (GossipChat *chat)
 852 {
 853         GossipChatPriv *priv;
 854
 855         priv = GET_PRIV (chat);
 856
 857         if (priv->composing_stop_timeout_id) {
 858                 g_source_remove (priv->composing_stop_timeout_id);
 859                 priv->composing_stop_timeout_id = 0;
 860         }
 861 }
 862
 863 static gboolean
 864 chat_composing_stop_timeout_cb (GossipChat *chat)
 865 {
 866         GossipChatPriv *priv;
 867
 868         priv = GET_PRIV (chat);
 869
 870         priv->composing_stop_timeout_id = 0;
 871         /* FIXME:
 872         gossip_session_send_composing (gossip_app_get_session (),
 873                                        priv->contact, FALSE);*/
 874
 875         return FALSE;
 876 }
 877
 878 gboolean
 879 gossip_chat_get_is_command (const gchar *str)
 880 {
 881         g_return_val_if_fail (str != NULL, FALSE);
 882
 883         if (str[0] != '/') {
 884                 return FALSE;
 885         }
 886
 887         if (g_str_has_prefix (str, "/me")) {
 888                 return TRUE;
 889         }
 890         else if (g_str_has_prefix (str, "/nick")) {
 891                 return TRUE;
 892         }
 893         else if (g_str_has_prefix (str, "/topic")) {
 894                 return TRUE;
 895         }
 896
 897         return FALSE;
 898 }
 899
 900 void
 901 gossip_chat_correct_word (GossipChat  *chat,
 902                           GtkTextIter  start,
 903                           GtkTextIter  end,
 904                           const gchar *new_word)
 905 {
 906         GtkTextBuffer *buffer;
 907
 908         g_return_if_fail (chat != NULL);
 909         g_return_if_fail (new_word != NULL);
 910
 911         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 912
 913         gtk_text_buffer_delete (buffer, &start, &end);
 914         gtk_text_buffer_insert (buffer, &start,
 915                                 new_word,
 916                                 -1);
 917 }
 918
 919 const gchar *
 920 gossip_chat_get_name (GossipChat *chat)
 921 {
 922         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
 923
 924         if (GOSSIP_CHAT_GET_CLASS (chat)->get_name) {
 925                 return GOSSIP_CHAT_GET_CLASS (chat)->get_name (chat);
 926         }
 927
 928         return NULL;
 929 }
 930
 931 gchar *
 932 gossip_chat_get_tooltip (GossipChat *chat)
 933 {
 934         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
 935
 936         if (GOSSIP_CHAT_GET_CLASS (chat)->get_tooltip) {
 937                 return GOSSIP_CHAT_GET_CLASS (chat)->get_tooltip (chat);
 938         }
 939
 940         return NULL;
 941 }
 942
 943 GdkPixbuf *
 944 gossip_chat_get_status_pixbuf (GossipChat *chat)
 945 {
 946         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
 947
 948         if (GOSSIP_CHAT_GET_CLASS (chat)->get_status_pixbuf) {
 949                 return GOSSIP_CHAT_GET_CLASS (chat)->get_status_pixbuf (chat);
 950         }
 951
 952         return NULL;
 953 }
 954
 955 GossipContact *
 956 gossip_chat_get_contact (GossipChat *chat)
 957 {
 958         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
 959
 960         if (GOSSIP_CHAT_GET_CLASS (chat)->get_contact) {
 961                 return GOSSIP_CHAT_GET_CLASS (chat)->get_contact (chat);
 962         }
 963
 964         return NULL;
 965 }
 966 GossipContact *
 967 gossip_chat_get_own_contact (GossipChat *chat)
 968 {
 969         EmpathyContactManager *manager;
 970
 971         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
 972
 973         manager = empathy_session_get_contact_manager ();
 974
 975         return empathy_contact_manager_get_own (manager, chat->account);
 976 }
 977
 978 GtkWidget *
 979 gossip_chat_get_widget (GossipChat *chat)
 980 {
 981         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), NULL);
 982
 983         if (GOSSIP_CHAT_GET_CLASS (chat)->get_widget) {
 984                 return GOSSIP_CHAT_GET_CLASS (chat)->get_widget (chat);
 985         }
 986
 987         return NULL;
 988 }
 989
 990 gboolean
 991 gossip_chat_is_group_chat (GossipChat *chat)
 992 {
 993         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
 994
 995         if (GOSSIP_CHAT_GET_CLASS (chat)->is_group_chat) {
 996                 return GOSSIP_CHAT_GET_CLASS (chat)->is_group_chat (chat);
 997         }
 998
 999         return FALSE;
1000 }
1001
1002 gboolean
1003 gossip_chat_is_connected (GossipChat *chat)
1004 {
1005         GossipChatPriv *priv;
1006
1007         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
1008
1009         priv = GET_PRIV (chat);
1010
1011         return (priv->tp_chat != NULL);
1012 }
1013
1014 gboolean
1015 gossip_chat_get_show_contacts (GossipChat *chat)
1016 {
1017         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
1018
1019         if (GOSSIP_CHAT_GET_CLASS (chat)->get_show_contacts) {
1020                 return GOSSIP_CHAT_GET_CLASS (chat)->get_show_contacts (chat);
1021         }
1022
1023         return FALSE;
1024 }
1025
1026 void
1027 gossip_chat_set_show_contacts (GossipChat *chat,
1028                                gboolean    show)
1029 {
1030         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1031
1032         if (GOSSIP_CHAT_GET_CLASS (chat)->set_show_contacts) {
1033                 GOSSIP_CHAT_GET_CLASS (chat)->set_show_contacts (chat, show);
1034         }
1035 }
1036
1037 void
1038 gossip_chat_save_geometry (GossipChat *chat,
1039                            gint        x,
1040                            gint        y,
1041                            gint        w,
1042                            gint        h)
1043 {
1044         gossip_geometry_save (gossip_chat_get_id (chat), x, y, w, h);
1045 }
1046
1047 void
1048 gossip_chat_load_geometry (GossipChat *chat,
1049                            gint       *x,
1050                            gint       *y,
1051                            gint       *w,
1052                            gint       *h)
1053 {
1054         gossip_geometry_load (gossip_chat_get_id (chat), x, y, w, h);
1055 }
1056
1057 void
1058 gossip_chat_set_tp_chat (GossipChat    *chat,
1059                          EmpathyTpChat *tp_chat)
1060 {
1061         GossipChatPriv *priv;
1062         GtkWidget      *widget;
1063
1064         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1065         g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
1066
1067         priv = GET_PRIV (chat);
1068
1069         if (tp_chat == priv->tp_chat) {
1070                 return;
1071         }
1072
1073         if (priv->tp_chat) {
1074                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1075                                                       chat_message_received_cb,
1076                                                       chat);
1077                 g_signal_handlers_disconnect_by_func (priv->tp_chat,
1078                                                       chat_destroy_cb,
1079                                                       chat);
1080                 g_object_unref (priv->tp_chat);
1081         }
1082
1083         g_free (priv->id);
1084         priv->tp_chat = g_object_ref (tp_chat);
1085         priv->id = g_strdup (empathy_tp_chat_get_id (tp_chat));
1086
1087         g_signal_connect (tp_chat, "message-received",
1088                           G_CALLBACK (chat_message_received_cb),
1089                           chat);
1090         g_signal_connect (tp_chat, "destroy",
1091                           G_CALLBACK (chat_destroy_cb),
1092                           chat);
1093
1094         empathy_tp_chat_request_pending (tp_chat);
1095
1096         if (!priv->sensitive) {
1097                 widget = gossip_chat_get_widget (chat);
1098                 gtk_widget_set_sensitive (widget, TRUE);
1099                 gossip_chat_view_append_event (chat->view, _("Connected"));
1100                 priv->sensitive = TRUE;
1101         }
1102 }
1103
1104 const gchar *
1105 gossip_chat_get_id (GossipChat *chat)
1106 {
1107         GossipChatPriv *priv;
1108
1109         priv = GET_PRIV (chat);
1110
1111         return priv->id;
1112 }
1113
1114 void
1115 gossip_chat_clear (GossipChat *chat)
1116 {
1117         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1118
1119         gossip_chat_view_clear (chat->view);
1120 }
1121
1122 void
1123 gossip_chat_set_window (GossipChat       *chat,
1124                         GossipChatWindow *window)
1125 {
1126         GossipChatPriv *priv;
1127
1128         priv = GET_PRIV (chat);
1129         priv->window = window;
1130 }
1131
1132 GossipChatWindow *
1133 gossip_chat_get_window (GossipChat *chat)
1134 {
1135         GossipChatPriv *priv;
1136
1137         priv = GET_PRIV (chat);
1138
1139         return priv->window;
1140 }
1141
1142 void
1143 gossip_chat_scroll_down (GossipChat *chat)
1144 {
1145         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1146
1147         gossip_chat_view_scroll_down (chat->view);
1148 }
1149
1150 void
1151 gossip_chat_cut (GossipChat *chat)
1152 {
1153         GtkTextBuffer *buffer;
1154
1155         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1156
1157         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1158         if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
1159                 GtkClipboard *clipboard;
1160
1161                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1162
1163                 gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE);
1164         }
1165 }
1166
1167 void
1168 gossip_chat_copy (GossipChat *chat)
1169 {
1170         GtkTextBuffer *buffer;
1171
1172         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1173
1174         if (gossip_chat_view_get_selection_bounds (chat->view, NULL, NULL)) {
1175                 gossip_chat_view_copy_clipboard (chat->view);
1176                 return;
1177         }
1178
1179         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1180         if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
1181                 GtkClipboard *clipboard;
1182
1183                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1184
1185                 gtk_text_buffer_copy_clipboard (buffer, clipboard);
1186         }
1187 }
1188
1189 void
1190 gossip_chat_paste (GossipChat *chat)
1191 {
1192         GtkTextBuffer *buffer;
1193         GtkClipboard  *clipboard;
1194
1195         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1196
1197         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1198         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1199
1200         gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE);
1201 }
1202
1203 void
1204 gossip_chat_present (GossipChat *chat)
1205 {
1206         GossipChatPriv *priv;
1207
1208         g_return_if_fail (GOSSIP_IS_CHAT (chat));
1209
1210         priv = GET_PRIV (chat);
1211
1212         if (priv->window == NULL) {
1213                 GossipChatWindow *window;
1214
1215                 window = gossip_chat_window_get_default ();
1216                 if (!window) {
1217                         window = gossip_chat_window_new ();
1218                 }
1219
1220                 gossip_chat_window_add_chat (window, chat);
1221         }
1222
1223         gossip_chat_window_switch_to_chat (priv->window, chat);
1224         gossip_window_present (
1225                 GTK_WINDOW (gossip_chat_window_get_dialog (priv->window)),
1226                 TRUE);
1227
1228         gtk_widget_grab_focus (chat->input_text_view);
1229 }
1230
1231 gboolean
1232 gossip_chat_should_play_sound (GossipChat *chat)
1233 {
1234         GossipChatWindow *window;
1235         gboolean          play = TRUE;
1236
1237         g_return_val_if_fail (GOSSIP_IS_CHAT (chat), FALSE);
1238
1239         window = gossip_chat_get_window (GOSSIP_CHAT (chat));
1240         if (!window) {
1241                 return TRUE;
1242         }
1243
1244         play = !gossip_chat_window_has_focus (window);
1245
1246         return play;
1247 }
1248
1249 gboolean
1250 gossip_chat_should_highlight_nick (GossipMessage *message)
1251 {
1252         GossipContact *my_contact;
1253         const gchar   *msg, *to;
1254         gchar         *cf_msg, *cf_to;
1255         gchar         *ch;
1256         gboolean       ret_val;
1257
1258         g_return_val_if_fail (GOSSIP_IS_MESSAGE (message), FALSE);
1259
1260         gossip_debug (DEBUG_DOMAIN, "Highlighting nickname");
1261
1262         ret_val = FALSE;
1263
1264         msg = gossip_message_get_body (message);
1265         if (!msg) {
1266                 return FALSE;
1267         }
1268
1269         my_contact = gossip_get_own_contact_from_contact (gossip_message_get_sender (message));
1270         to = gossip_contact_get_name (my_contact);
1271         if (!to) {
1272                 return FALSE;
1273         }
1274
1275         cf_msg = g_utf8_casefold (msg, -1);
1276         cf_to = g_utf8_casefold (to, -1);
1277
1278         ch = strstr (cf_msg, cf_to);
1279         if (ch == NULL) {
1280                 goto finished;
1281         }
1282
1283         if (ch != cf_msg) {
1284                 /* Not first in the message */
1285                 if ((*(ch - 1) != ' ') &&
1286                     (*(ch - 1) != ',') &&
1287                     (*(ch - 1) != '.')) {
1288                         goto finished;
1289                 }
1290         }
1291
1292         ch = ch + strlen (cf_to);
1293         if (ch >= cf_msg + strlen (cf_msg)) {
1294                 ret_val = TRUE;
1295                 goto finished;
1296         }
1297
1298         if ((*ch == ' ') ||
1299             (*ch == ',') ||
1300             (*ch == '.') ||
1301             (*ch == ':')) {
1302                 ret_val = TRUE;
1303                 goto finished;
1304         }
1305
1306 finished:
1307         g_free (cf_msg);
1308         g_free (cf_to);
1309
1310         return ret_val;
1311 }
1312