libempathy-gtk/empathy-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) 2007-2008 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-lib.h>
  35 #include <gtk/gtk.h>
  36
  37 #include <telepathy-glib/util.h>
  38
  39 #include <libempathy/empathy-account-manager.h>
  40 #include <libempathy/empathy-log-manager.h>
  41 #include <libempathy/empathy-contact-list.h>
  42 #include <libempathy/empathy-utils.h>
  43 #include <libempathy/empathy-dispatcher.h>
  44
  45 #include "empathy-chat.h"
  46 #include "empathy-conf.h"
  47 #include "empathy-spell.h"
  48 #include "empathy-spell-dialog.h"
  49 #include "empathy-contact-list-store.h"
  50 #include "empathy-contact-list-view.h"
  51 #include "empathy-contact-menu.h"
  52 #include "empathy-theme-manager.h"
  53 #include "empathy-smiley-manager.h"
  54 #include "empathy-ui-utils.h"
  55
  56 #define DEBUG_FLAG EMPATHY_DEBUG_CHAT
  57 #include <libempathy/empathy-debug.h>
  58
  59 #define CHAT_DIR_CREATE_MODE  (S_IRUSR | S_IWUSR | S_IXUSR)
  60 #define CHAT_FILE_CREATE_MODE (S_IRUSR | S_IWUSR)
  61 #define IS_ENTER(v) (v == GDK_Return || v == GDK_ISO_Enter || v == GDK_KP_Enter)
  62 #define MAX_INPUT_HEIGHT 150
  63 #define COMPOSING_STOP_TIMEOUT 5
  64
  65 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyChat)
  66 typedef struct {
  67         EmpathyTpChat     *tp_chat;
  68         gulong            tp_chat_destroy_handler;
  69         McAccount         *account;
  70         gchar             *id;
  71         gchar             *name;
  72         gchar             *subject;
  73         EmpathyContact    *remote_contact;
  74
  75         EmpathyLogManager *log_manager;
  76         EmpathyAccountManager *account_manager;
  77         GSList            *sent_messages;
  78         gint               sent_messages_index;
  79         GList             *compositors;
  80         GCompletion       *completion;
  81         guint              composing_stop_timeout_id;
  82         guint              block_events_timeout_id;
  83         TpHandleType       handle_type;
  84         gint               contacts_width;
  85         gboolean           has_input_vscroll;
  86
  87         GtkWidget         *widget;
  88         GtkWidget         *hpaned;
  89         GtkWidget         *vbox_left;
  90         GtkWidget         *scrolled_window_chat;
  91         GtkWidget         *scrolled_window_input;
  92         GtkWidget         *scrolled_window_contacts;
  93         GtkWidget         *hbox_topic;
  94         GtkWidget         *label_topic;
  95         GtkWidget         *contact_list_view;
  96 } EmpathyChatPriv;
  97
  98 enum {
  99         COMPOSING,
 100         NEW_MESSAGE,
 101         LAST_SIGNAL
 102 };
 103
 104 enum {
 105         PROP_0,
 106         PROP_TP_CHAT,
 107         PROP_ACCOUNT,
 108         PROP_ID,
 109         PROP_NAME,
 110         PROP_SUBJECT,
 111         PROP_REMOTE_CONTACT,
 112 };
 113
 114 static guint signals[LAST_SIGNAL] = { 0 };
 115
 116 G_DEFINE_TYPE (EmpathyChat, empathy_chat, GTK_TYPE_BIN);
 117
 118 static void
 119 chat_get_property (GObject    *object,
 120                    guint       param_id,
 121                    GValue     *value,
 122                    GParamSpec *pspec)
 123 {
 124         EmpathyChat *chat = EMPATHY_CHAT (object);
 125         EmpathyChatPriv *priv = GET_PRIV (object);
 126
 127         switch (param_id) {
 128         case PROP_TP_CHAT:
 129                 g_value_set_object (value, priv->tp_chat);
 130                 break;
 131         case PROP_ACCOUNT:
 132                 g_value_set_object (value, priv->account);
 133                 break;
 134         case PROP_NAME:
 135                 g_value_set_string (value, empathy_chat_get_name (chat));
 136                 break;
 137         case PROP_ID:
 138                 g_value_set_string (value, priv->id);
 139                 break;
 140         case PROP_SUBJECT:
 141                 g_value_set_string (value, priv->subject);
 142                 break;
 143         case PROP_REMOTE_CONTACT:
 144                 g_value_set_object (value, priv->remote_contact);
 145                 break;
 146         default:
 147                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 148                 break;
 149         };
 150 }
 151
 152 static void
 153 chat_set_property (GObject      *object,
 154                    guint         param_id,
 155                    const GValue *value,
 156                    GParamSpec   *pspec)
 157 {
 158         EmpathyChat *chat = EMPATHY_CHAT (object);
 159
 160         switch (param_id) {
 161         case PROP_TP_CHAT:
 162                 empathy_chat_set_tp_chat (chat, EMPATHY_TP_CHAT (g_value_get_object (value)));
 163                 break;
 164         default:
 165                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 166                 break;
 167         };
 168 }
 169
 170 static void
 171 chat_connection_changed_cb (EmpathyAccountManager *manager,
 172                             McAccount *account,
 173                             TpConnectionStatusReason reason,
 174                             TpConnectionStatus current,
 175                             TpConnectionStatus previous,
 176                             EmpathyChat *chat)
 177 {
 178         EmpathyChatPriv *priv = GET_PRIV (chat);
 179
 180         if (current == TP_CONNECTION_STATUS_CONNECTED && !priv->tp_chat &&
 181             empathy_account_equal (account, priv->account) &&
 182             priv->handle_type != TP_HANDLE_TYPE_NONE) {
 183
 184                 DEBUG ("Account reconnected, request a new Text channel");
 185
 186                 switch (priv->handle_type) {
 187                         case TP_HANDLE_TYPE_CONTACT:
 188                                 empathy_dispatcher_chat_with_contact_id (account, priv->id,
 189                                         NULL, NULL);
 190                                 break;
 191                         case TP_HANDLE_TYPE_ROOM:
 192                                 empathy_dispatcher_join_muc (account, priv->id, NULL, NULL);
 193                                 break;
 194                         default:
 195                                 g_assert_not_reached ();
 196                                 break;
 197                 }
 198         }
 199 }
 200
 201 static void
 202 chat_composing_remove_timeout (EmpathyChat *chat)
 203 {
 204         EmpathyChatPriv *priv;
 205
 206         priv = GET_PRIV (chat);
 207
 208         if (priv->composing_stop_timeout_id) {
 209                 g_source_remove (priv->composing_stop_timeout_id);
 210                 priv->composing_stop_timeout_id = 0;
 211         }
 212 }
 213
 214 static gboolean
 215 chat_composing_stop_timeout_cb (EmpathyChat *chat)
 216 {
 217         EmpathyChatPriv *priv;
 218
 219         priv = GET_PRIV (chat);
 220
 221         priv->composing_stop_timeout_id = 0;
 222         empathy_tp_chat_set_state (priv->tp_chat,
 223                                    TP_CHANNEL_CHAT_STATE_PAUSED);
 224
 225         return FALSE;
 226 }
 227
 228 static void
 229 chat_composing_start (EmpathyChat *chat)
 230 {
 231         EmpathyChatPriv *priv;
 232
 233         priv = GET_PRIV (chat);
 234
 235         if (priv->composing_stop_timeout_id) {
 236                 /* Just restart the timeout */
 237                 chat_composing_remove_timeout (chat);
 238         } else {
 239                 empathy_tp_chat_set_state (priv->tp_chat,
 240                                            TP_CHANNEL_CHAT_STATE_COMPOSING);
 241         }
 242
 243         priv->composing_stop_timeout_id = g_timeout_add_seconds (
 244                 COMPOSING_STOP_TIMEOUT,
 245                 (GSourceFunc) chat_composing_stop_timeout_cb,
 246                 chat);
 247 }
 248
 249 static void
 250 chat_composing_stop (EmpathyChat *chat)
 251 {
 252         EmpathyChatPriv *priv;
 253
 254         priv = GET_PRIV (chat);
 255
 256         chat_composing_remove_timeout (chat);
 257         empathy_tp_chat_set_state (priv->tp_chat,
 258                                    TP_CHANNEL_CHAT_STATE_ACTIVE);
 259 }
 260
 261 static void
 262 chat_sent_message_add (EmpathyChat  *chat,
 263                        const gchar *str)
 264 {
 265         EmpathyChatPriv *priv;
 266         GSList         *list;
 267         GSList         *item;
 268
 269         priv = GET_PRIV (chat);
 270
 271         /* Save the sent message in our repeat buffer */
 272         list = priv->sent_messages;
 273
 274         /* Remove any other occurances of this msg */
 275         while ((item = g_slist_find_custom (list, str, (GCompareFunc) strcmp)) != NULL) {
 276                 list = g_slist_remove_link (list, item);
 277                 g_free (item->data);
 278                 g_slist_free1 (item);
 279         }
 280
 281         /* Trim the list to the last 10 items */
 282         while (g_slist_length (list) > 10) {
 283                 item = g_slist_last (list);
 284                 if (item) {
 285                         list = g_slist_remove_link (list, item);
 286                         g_free (item->data);
 287                         g_slist_free1 (item);
 288                 }
 289         }
 290
 291         /* Add new message */
 292         list = g_slist_prepend (list, g_strdup (str));
 293
 294         /* Set list and reset the index */
 295         priv->sent_messages = list;
 296         priv->sent_messages_index = -1;
 297 }
 298
 299 static const gchar *
 300 chat_sent_message_get_next (EmpathyChat *chat)
 301 {
 302         EmpathyChatPriv *priv;
 303         gint            max;
 304
 305         priv = GET_PRIV (chat);
 306
 307         if (!priv->sent_messages) {
 308                 DEBUG ("No sent messages, next message is NULL");
 309                 return NULL;
 310         }
 311
 312         max = g_slist_length (priv->sent_messages) - 1;
 313
 314         if (priv->sent_messages_index < max) {
 315                 priv->sent_messages_index++;
 316         }
 317
 318         DEBUG ("Returning next message index:%d", priv->sent_messages_index);
 319
 320         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 321 }
 322
 323 static const gchar *
 324 chat_sent_message_get_last (EmpathyChat *chat)
 325 {
 326         EmpathyChatPriv *priv;
 327
 328         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
 329
 330         priv = GET_PRIV (chat);
 331
 332         if (!priv->sent_messages) {
 333                 DEBUG ("No sent messages, last message is NULL");
 334                 return NULL;
 335         }
 336
 337         if (priv->sent_messages_index >= 0) {
 338                 priv->sent_messages_index--;
 339         }
 340
 341         DEBUG ("Returning last message index:%d", priv->sent_messages_index);
 342
 343         return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
 344 }
 345
 346 static void
 347 chat_send (EmpathyChat  *chat,
 348            const gchar *msg)
 349 {
 350         EmpathyChatPriv *priv;
 351         EmpathyMessage  *message;
 352
 353         priv = GET_PRIV (chat);
 354
 355         if (EMP_STR_EMPTY (msg)) {
 356                 return;
 357         }
 358
 359         chat_sent_message_add (chat, msg);
 360
 361         if (g_str_has_prefix (msg, "/clear")) {
 362                 empathy_chat_view_clear (chat->view);
 363                 return;
 364         }
 365
 366         message = empathy_message_new (msg);
 367
 368         empathy_tp_chat_send (priv->tp_chat, message);
 369
 370         g_object_unref (message);
 371 }
 372
 373 static void
 374 chat_input_text_view_send (EmpathyChat *chat)
 375 {
 376         EmpathyChatPriv *priv;
 377         GtkTextBuffer  *buffer;
 378         GtkTextIter     start, end;
 379         gchar          *msg;
 380
 381         priv = GET_PRIV (chat);
 382
 383         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 384
 385         gtk_text_buffer_get_bounds (buffer, &start, &end);
 386         msg = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 387
 388         /* clear the input field */
 389         gtk_text_buffer_set_text (buffer, "", -1);
 390
 391         chat_send (chat, msg);
 392         g_free (msg);
 393 }
 394
 395 static void
 396 chat_state_changed_cb (EmpathyTpChat      *tp_chat,
 397                        EmpathyContact     *contact,
 398                        TpChannelChatState  state,
 399                        EmpathyChat        *chat)
 400 {
 401         EmpathyChatPriv *priv;
 402         GList          *l;
 403         gboolean        was_composing;
 404
 405         priv = GET_PRIV (chat);
 406
 407         if (empathy_contact_is_user (contact)) {
 408                 /* We don't care about our own chat state */
 409                 return;
 410         }
 411
 412         was_composing = (priv->compositors != NULL);
 413
 414         /* Find the contact in the list. After that l is the list elem or NULL */
 415         for (l = priv->compositors; l; l = l->next) {
 416                 if (contact == l->data) {
 417                         break;
 418                 }
 419         }
 420
 421         switch (state) {
 422         case TP_CHANNEL_CHAT_STATE_GONE:
 423         case TP_CHANNEL_CHAT_STATE_INACTIVE:
 424         case TP_CHANNEL_CHAT_STATE_PAUSED:
 425         case TP_CHANNEL_CHAT_STATE_ACTIVE:
 426                 /* Contact is not composing */
 427                 if (l) {
 428                         priv->compositors = g_list_remove_link (priv->compositors, l);
 429                         g_object_unref (l->data);
 430                         g_list_free1 (l);
 431                 }
 432                 break;
 433         case TP_CHANNEL_CHAT_STATE_COMPOSING:
 434                 /* Contact is composing */
 435                 if (!l) {
 436                         priv->compositors = g_list_prepend (priv->compositors,
 437                                                             g_object_ref (contact));
 438                 }
 439                 break;
 440         default:
 441                 g_assert_not_reached ();
 442         }
 443
 444         DEBUG ("Was composing: %s now composing: %s",
 445                 was_composing ? "yes" : "no",
 446                 priv->compositors ? "yes" : "no");
 447
 448         if ((was_composing && !priv->compositors) ||
 449             (!was_composing && priv->compositors)) {
 450                 /* Composing state changed */
 451                 g_signal_emit (chat, signals[COMPOSING], 0,
 452                                priv->compositors != NULL);
 453         }
 454 }
 455
 456 static void
 457 chat_message_received (EmpathyChat *chat, EmpathyMessage *message)
 458 {
 459         EmpathyChatPriv *priv = GET_PRIV (chat);
 460         EmpathyContact  *sender;
 461
 462         sender = empathy_message_get_sender (message);
 463
 464         DEBUG ("Appending new message from %s (%d)",
 465                 empathy_contact_get_name (sender),
 466                 empathy_contact_get_handle (sender));
 467
 468         if (priv->id) {
 469                 gboolean is_chatroom;
 470
 471                 is_chatroom = priv->handle_type == TP_HANDLE_TYPE_ROOM;
 472                 empathy_log_manager_add_message (priv->log_manager,
 473                                                  priv->id, is_chatroom,
 474                                                  message);
 475         }
 476
 477         empathy_chat_view_append_message (chat->view, message);
 478
 479         /* We received a message so the contact is no longer composing */
 480         chat_state_changed_cb (priv->tp_chat, sender,
 481                                TP_CHANNEL_CHAT_STATE_ACTIVE,
 482                                chat);
 483
 484         g_signal_emit (chat, signals[NEW_MESSAGE], 0, message);
 485 }
 486
 487 static void
 488 chat_message_received_cb (EmpathyTpChat  *tp_chat,
 489                           EmpathyMessage *message,
 490                           EmpathyChat    *chat)
 491 {
 492         chat_message_received (chat, message);
 493         empathy_tp_chat_acknowledge_message (tp_chat, message);
 494 }
 495
 496 static void
 497 chat_send_error_cb (EmpathyTpChat          *tp_chat,
 498                     EmpathyMessage         *message,
 499                     TpChannelTextSendError  error_code,
 500                     EmpathyChat            *chat)
 501 {
 502         const gchar *error;
 503         gchar       *str;
 504
 505         switch (error_code) {
 506         case TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE:
 507                 error = _("offline");
 508                 break;
 509         case TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT:
 510                 error = _("invalid contact");
 511                 break;
 512         case TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED:
 513                 error = _("permission denied");
 514                 break;
 515         case TP_CHANNEL_TEXT_SEND_ERROR_TOO_LONG:
 516                 error = _("too long message");
 517                 break;
 518         case TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED:
 519                 error = _("not implemented");
 520                 break;
 521         default:
 522                 error = _("unknown");
 523                 break;
 524         }
 525
 526         str = g_strdup_printf (_("Error sending message '%s': %s"),
 527                                empathy_message_get_body (message),
 528                                error);
 529         empathy_chat_view_append_event (chat->view, str);
 530         g_free (str);
 531 }
 532
 533 static void
 534 chat_property_changed_cb (EmpathyTpChat *tp_chat,
 535                           const gchar   *name,
 536                           GValue        *value,
 537                           EmpathyChat   *chat)
 538 {
 539         EmpathyChatPriv *priv = GET_PRIV (chat);
 540
 541         if (!tp_strdiff (name, "subject")) {
 542                 g_free (priv->subject);
 543                 priv->subject = g_value_dup_string (value);
 544                 g_object_notify (G_OBJECT (chat), "subject");
 545
 546                 if (EMP_STR_EMPTY (priv->subject)) {
 547                         gtk_widget_hide (priv->hbox_topic);
 548                 } else {
 549                         gtk_label_set_text (GTK_LABEL (priv->label_topic), priv->subject);
 550                         gtk_widget_show (priv->hbox_topic);
 551                 }
 552                 if (priv->block_events_timeout_id == 0) {
 553                         gchar *str;
 554
 555                         if (!EMP_STR_EMPTY (priv->subject)) {
 556                                 str = g_strdup_printf (_("Topic set to: %s"), priv->subject);
 557                         } else {
 558                                 str = g_strdup (_("No topic defined"));
 559                         }
 560                         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
 561                         g_free (str);
 562                 }
 563         }
 564         else if (!tp_strdiff (name, "name")) {
 565                 g_free (priv->name);
 566                 priv->name = g_value_dup_string (value);
 567                 g_object_notify (G_OBJECT (chat), "name");
 568         }
 569 }
 570
 571 static gboolean
 572 chat_get_is_command (const gchar *str)
 573 {
 574         g_return_val_if_fail (str != NULL, FALSE);
 575
 576         if (str[0] != '/') {
 577                 return FALSE;
 578         }
 579
 580         if (g_str_has_prefix (str, "/me")) {
 581                 return TRUE;
 582         }
 583         else if (g_str_has_prefix (str, "/nick")) {
 584                 return TRUE;
 585         }
 586         else if (g_str_has_prefix (str, "/topic")) {
 587                 return TRUE;
 588         }
 589
 590         return FALSE;
 591 }
 592
 593 static void
 594 chat_input_text_buffer_changed_cb (GtkTextBuffer *buffer,
 595                                    EmpathyChat    *chat)
 596 {
 597         EmpathyChatPriv *priv;
 598         GtkTextIter     start, end;
 599         gchar          *str;
 600         gboolean        spell_checker = FALSE;
 601
 602         priv = GET_PRIV (chat);
 603
 604         if (gtk_text_buffer_get_char_count (buffer) == 0) {
 605                 chat_composing_stop (chat);
 606         } else {
 607                 chat_composing_start (chat);
 608         }
 609
 610         empathy_conf_get_bool (empathy_conf_get (),
 611                               EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED,
 612                               &spell_checker);
 613
 614         gtk_text_buffer_get_start_iter (buffer, &start);
 615
 616         if (!spell_checker) {
 617                 gtk_text_buffer_get_end_iter (buffer, &end);
 618                 gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 619                 return;
 620         }
 621
 622         if (!empathy_spell_supported ()) {
 623                 return;
 624         }
 625
 626         /* NOTE: this is really inefficient, we shouldn't have to
 627            reiterate the whole buffer each time and check each work
 628            every time. */
 629         while (TRUE) {
 630                 gboolean correct = FALSE;
 631
 632                 /* if at start */
 633                 if (gtk_text_iter_is_start (&start)) {
 634                         end = start;
 635
 636                         if (!gtk_text_iter_forward_word_end (&end)) {
 637                                 /* no whole word yet */
 638                                 break;
 639                         }
 640                 } else {
 641                         if (!gtk_text_iter_forward_word_end (&end)) {
 642                                 /* must be the end of the buffer */
 643                                 break;
 644                         }
 645
 646                         start = end;
 647                         gtk_text_iter_backward_word_start (&start);
 648                 }
 649
 650                 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 651
 652                 /* spell check string */
 653                 if (!chat_get_is_command (str)) {
 654                         correct = empathy_spell_check (str);
 655                 } else {
 656                         correct = TRUE;
 657                 }
 658
 659                 if (!correct) {
 660                         gtk_text_buffer_apply_tag_by_name (buffer, "misspelled", &start, &end);
 661                 } else {
 662                         gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end);
 663                 }
 664
 665                 g_free (str);
 666
 667                 /* set start iter to the end iters position */
 668                 start = end;
 669         }
 670 }
 671
 672 static gboolean
 673 chat_input_key_press_event_cb (GtkWidget   *widget,
 674                                GdkEventKey *event,
 675                                EmpathyChat *chat)
 676 {
 677         EmpathyChatPriv *priv;
 678         GtkAdjustment  *adj;
 679         gdouble         val;
 680         GtkWidget      *text_view_sw;
 681
 682         priv = GET_PRIV (chat);
 683
 684         /* Catch ctrl+up/down so we can traverse messages we sent */
 685         if ((event->state & GDK_CONTROL_MASK) &&
 686             (event->keyval == GDK_Up ||
 687              event->keyval == GDK_Down)) {
 688                 GtkTextBuffer *buffer;
 689                 const gchar   *str;
 690
 691                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 692
 693                 if (event->keyval == GDK_Up) {
 694                         str = chat_sent_message_get_next (chat);
 695                 } else {
 696                         str = chat_sent_message_get_last (chat);
 697                 }
 698
 699                 g_signal_handlers_block_by_func (buffer,
 700                                                  chat_input_text_buffer_changed_cb,
 701                                                  chat);
 702                 gtk_text_buffer_set_text (buffer, str ? str : "", -1);
 703                 g_signal_handlers_unblock_by_func (buffer,
 704                                                    chat_input_text_buffer_changed_cb,
 705                                                    chat);
 706
 707                 return TRUE;
 708         }
 709
 710         /* Catch enter but not ctrl/shift-enter */
 711         if (IS_ENTER (event->keyval) &&
 712             !(event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
 713                 GtkTextView *view;
 714
 715                 /* This is to make sure that kinput2 gets the enter. And if
 716                  * it's handled there we shouldn't send on it. This is because
 717                  * kinput2 uses Enter to commit letters. See:
 718                  * http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104299
 719                  */
 720
 721                 view = GTK_TEXT_VIEW (chat->input_text_view);
 722                 if (gtk_im_context_filter_keypress (view->im_context, event)) {
 723                         GTK_TEXT_VIEW (chat->input_text_view)->need_im_reset = TRUE;
 724                         return TRUE;
 725                 }
 726
 727                 chat_input_text_view_send (chat);
 728                 return TRUE;
 729         }
 730
 731         text_view_sw = gtk_widget_get_parent (GTK_WIDGET (chat->view));
 732
 733         if (IS_ENTER (event->keyval) &&
 734             (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) {
 735                 /* Newline for shift/control-enter. */
 736                 return FALSE;
 737         }
 738         if (!(event->state & GDK_CONTROL_MASK) &&
 739             event->keyval == GDK_Page_Up) {
 740                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 741                 gtk_adjustment_set_value (adj, adj->value - adj->page_size);
 742                 return TRUE;
 743         }
 744         if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 745             event->keyval == GDK_Page_Down) {
 746                 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw));
 747                 val = MIN (adj->value + adj->page_size, adj->upper - adj->page_size);
 748                 gtk_adjustment_set_value (adj, val);
 749                 return TRUE;
 750         }
 751         if (!(event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) &&
 752             event->keyval == GDK_Tab) {
 753                 GtkTextBuffer *buffer;
 754                 GtkTextIter    start, current;
 755                 gchar         *nick, *completed;
 756                 GList         *list, *completed_list;
 757                 gboolean       is_start_of_buffer;
 758
 759                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (EMPATHY_CHAT (chat)->input_text_view));
 760                 gtk_text_buffer_get_iter_at_mark (buffer, &current, gtk_text_buffer_get_insert (buffer));
 761
 762                 /* Get the start of the nick to complete. */
 763                 gtk_text_buffer_get_iter_at_mark (buffer, &start, gtk_text_buffer_get_insert (buffer));
 764                 gtk_text_iter_backward_word_start (&start);
 765                 is_start_of_buffer = gtk_text_iter_is_start (&start);
 766
 767                 list = empathy_contact_list_get_members (EMPATHY_CONTACT_LIST (priv->tp_chat));
 768                 g_completion_add_items (priv->completion, list);
 769
 770                 nick = gtk_text_buffer_get_text (buffer, &start, &current, FALSE);
 771                 completed_list = g_completion_complete (priv->completion,
 772                                                         nick,
 773                                                         &completed);
 774
 775                 g_free (nick);
 776
 777                 if (completed) {
 778                         guint        len;
 779                         const gchar *text;
 780                         gchar       *complete_char = NULL;
 781
 782                         gtk_text_buffer_delete (buffer, &start, &current);
 783
 784                         len = g_list_length (completed_list);
 785
 786                         if (len == 1) {
 787                                 /* If we only have one hit, use that text
 788                                  * instead of the text in completed since the
 789                                  * completed text will use the typed string
 790                                  * which might be cased all wrong.
 791                                  * Fixes #120876
 792                                  * */
 793                                 text = empathy_contact_get_name (completed_list->data);
 794                         } else {
 795                                 text = completed;
 796                         }
 797
 798                         gtk_text_buffer_insert_at_cursor (buffer, text, strlen (text));
 799
 800                         if (len == 1 && is_start_of_buffer &&
 801                             empathy_conf_get_string (empathy_conf_get (),
 802                                                      EMPATHY_PREFS_CHAT_NICK_COMPLETION_CHAR,
 803                                                      &complete_char) &&
 804                             complete_char != NULL) {
 805                                 gtk_text_buffer_insert_at_cursor (buffer,
 806                                                                   complete_char,
 807                                                                   strlen (complete_char));
 808                                 gtk_text_buffer_insert_at_cursor (buffer, " ", 1);
 809                                 g_free (complete_char);
 810                         }
 811
 812                         g_free (completed);
 813                 }
 814
 815                 g_completion_clear_items (priv->completion);
 816
 817                 g_list_foreach (list, (GFunc) g_object_unref, NULL);
 818                 g_list_free (list);
 819
 820                 return TRUE;
 821         }
 822
 823         return FALSE;
 824 }
 825
 826 static gboolean
 827 chat_text_view_focus_in_event_cb (GtkWidget  *widget,
 828                                   GdkEvent   *event,
 829                                   EmpathyChat *chat)
 830 {
 831         gtk_widget_grab_focus (chat->input_text_view);
 832
 833         return TRUE;
 834 }
 835
 836 static gboolean
 837 chat_input_set_size_request_idle (gpointer sw)
 838 {
 839         gtk_widget_set_size_request (sw, -1, MAX_INPUT_HEIGHT);
 840
 841         return FALSE;
 842 }
 843
 844 static void
 845 chat_input_size_request_cb (GtkWidget      *widget,
 846                             GtkRequisition *requisition,
 847                             EmpathyChat    *chat)
 848 {
 849         EmpathyChatPriv *priv = GET_PRIV (chat);
 850         GtkWidget       *sw;
 851
 852         sw = gtk_widget_get_parent (widget);
 853         if (requisition->height >= MAX_INPUT_HEIGHT && !priv->has_input_vscroll) {
 854                 g_idle_add (chat_input_set_size_request_idle, sw);
 855                 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 856                                                 GTK_POLICY_NEVER,
 857                                                 GTK_POLICY_ALWAYS);
 858                 priv->has_input_vscroll = TRUE;
 859         }
 860
 861         if (requisition->height < MAX_INPUT_HEIGHT && priv->has_input_vscroll) {
 862                 gtk_widget_set_size_request (sw, -1, -1);
 863                 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 864                                                 GTK_POLICY_NEVER,
 865                                                 GTK_POLICY_NEVER);
 866                 priv->has_input_vscroll = FALSE;
 867         }
 868 }
 869
 870 static void
 871 chat_input_realize_cb (GtkWidget   *widget,
 872                        EmpathyChat *chat)
 873 {
 874         DEBUG ("Setting focus to the input text view");
 875         gtk_widget_grab_focus (widget);
 876 }
 877
 878 static void
 879 chat_insert_smiley_activate_cb (EmpathySmileyManager *manager,
 880                                 EmpathySmiley        *smiley,
 881                                 gpointer              user_data)
 882 {
 883         EmpathyChat   *chat = EMPATHY_CHAT (user_data);
 884         GtkTextBuffer *buffer;
 885         GtkTextIter    iter;
 886
 887         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
 888
 889         gtk_text_buffer_get_end_iter (buffer, &iter);
 890         gtk_text_buffer_insert (buffer, &iter, smiley->str, -1);
 891
 892         gtk_text_buffer_get_end_iter (buffer, &iter);
 893         gtk_text_buffer_insert (buffer, &iter, " ", -1);
 894 }
 895
 896 typedef struct {
 897         EmpathyChat  *chat;
 898         gchar       *word;
 899
 900         GtkTextIter  start;
 901         GtkTextIter  end;
 902 } EmpathyChatSpell;
 903
 904 static EmpathyChatSpell *
 905 chat_spell_new (EmpathyChat  *chat,
 906                 const gchar *word,
 907                 GtkTextIter  start,
 908                 GtkTextIter  end)
 909 {
 910         EmpathyChatSpell *chat_spell;
 911
 912         chat_spell = g_slice_new0 (EmpathyChatSpell);
 913
 914         chat_spell->chat = g_object_ref (chat);
 915         chat_spell->word = g_strdup (word);
 916         chat_spell->start = start;
 917         chat_spell->end = end;
 918
 919         return chat_spell;
 920 }
 921
 922 static void
 923 chat_spell_free (EmpathyChatSpell *chat_spell)
 924 {
 925         g_object_unref (chat_spell->chat);
 926         g_free (chat_spell->word);
 927         g_slice_free (EmpathyChatSpell, chat_spell);
 928 }
 929
 930 static void
 931 chat_text_check_word_spelling_cb (GtkMenuItem     *menuitem,
 932                                   EmpathyChatSpell *chat_spell)
 933 {
 934         empathy_spell_dialog_show (chat_spell->chat,
 935                                   &chat_spell->start,
 936                                   &chat_spell->end,
 937                                   chat_spell->word);
 938 }
 939
 940 static void
 941 chat_text_send_cb (GtkMenuItem *menuitem,
 942                    EmpathyChat *chat)
 943 {
 944         chat_input_text_view_send (chat);
 945 }
 946
 947 static void
 948 chat_input_populate_popup_cb (GtkTextView *view,
 949                               GtkMenu     *menu,
 950                               EmpathyChat *chat)
 951 {
 952         EmpathyChatPriv      *priv;
 953         GtkTextBuffer        *buffer;
 954         GtkTextTagTable      *table;
 955         GtkTextTag           *tag;
 956         gint                  x, y;
 957         GtkTextIter           iter, start, end;
 958         GtkWidget            *item;
 959         gchar                *str = NULL;
 960         EmpathyChatSpell      *chat_spell;
 961         EmpathySmileyManager *smiley_manager;
 962         GtkWidget            *smiley_menu;
 963         GtkWidget            *image;
 964
 965         priv = GET_PRIV (chat);
 966         buffer = gtk_text_view_get_buffer (view);
 967
 968         /* Add the emoticon menu. */
 969         item = gtk_separator_menu_item_new ();
 970         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 971         gtk_widget_show (item);
 972
 973         item = gtk_image_menu_item_new_with_mnemonic (_("Insert Smiley"));
 974         image = gtk_image_new_from_icon_name ("face-smile",
 975                                               GTK_ICON_SIZE_MENU);
 976         gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
 977         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 978         gtk_widget_show (item);
 979
 980         smiley_manager = empathy_smiley_manager_dup_singleton ();
 981         smiley_menu = empathy_smiley_menu_new (smiley_manager,
 982                                                chat_insert_smiley_activate_cb,
 983                                                chat);
 984         gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu);
 985         g_object_unref (smiley_manager);
 986
 987         /* Add the Send menu item. */
 988         gtk_text_buffer_get_bounds (buffer, &start, &end);
 989         str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 990         if (!EMP_STR_EMPTY (str)) {
 991                 item = gtk_menu_item_new_with_mnemonic (_("_Send"));
 992                 g_signal_connect (G_OBJECT (item), "activate",
 993                                   G_CALLBACK (chat_text_send_cb), chat);
 994                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 995                 gtk_widget_show (item);
 996         }
 997         str = NULL;
 998
 999         /* Add the spell check menu item. */
1000         table = gtk_text_buffer_get_tag_table (buffer);
1001         tag = gtk_text_tag_table_lookup (table, "misspelled");
1002         gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
1003         gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
1004                                                GTK_TEXT_WINDOW_WIDGET,
1005                                                x, y,
1006                                                &x, &y);
1007         gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y);
1008         start = end = iter;
1009         if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
1010             gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
1011
1012                 str = gtk_text_buffer_get_text (buffer,
1013                                                 &start, &end, FALSE);
1014         }
1015         if (!EMP_STR_EMPTY (str)) {
1016                 chat_spell = chat_spell_new (chat, str, start, end);
1017                 g_object_set_data_full (G_OBJECT (menu),
1018                                         "chat_spell", chat_spell,
1019                                         (GDestroyNotify) chat_spell_free);
1020
1021                 item = gtk_separator_menu_item_new ();
1022                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1023                 gtk_widget_show (item);
1024
1025                 item = gtk_image_menu_item_new_with_mnemonic (_("_Check Word Spelling..."));
1026                 image = gtk_image_new_from_icon_name (GTK_STOCK_SPELL_CHECK,
1027                                                       GTK_ICON_SIZE_MENU);
1028                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
1029                 g_signal_connect (item,
1030                                   "activate",
1031                                   G_CALLBACK (chat_text_check_word_spelling_cb),
1032                                   chat_spell);
1033                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
1034                 gtk_widget_show (item);
1035         }
1036 }
1037
1038 static void
1039 chat_add_logs (EmpathyChat *chat)
1040 {
1041         EmpathyChatPriv *priv = GET_PRIV (chat);
1042         gboolean         is_chatroom;
1043         GList           *messages, *l;
1044         guint            num_messages;
1045         guint            i;
1046
1047         if (!priv->id) {
1048                 return;
1049         }
1050
1051         /* Turn off scrolling temporarily */
1052         empathy_chat_view_scroll (chat->view, FALSE);
1053
1054         /* Add messages from last conversation */
1055         is_chatroom = priv->handle_type == TP_HANDLE_TYPE_ROOM;
1056         messages = empathy_log_manager_get_last_messages (priv->log_manager,
1057                                                           priv->account,
1058                                                           priv->id,
1059                                                           is_chatroom);
1060         num_messages  = g_list_length (messages);
1061
1062         /* Only keep the 10 last messages */
1063         for (i = 0; num_messages - i > 10; i++) {
1064                 EmpathyMessage *message;
1065
1066                 message = messages->data;
1067                 messages = g_list_remove (messages, message);
1068                 g_object_unref (message);
1069         }
1070
1071         for (l = messages; l; l = l->next) {
1072                 empathy_chat_view_append_message (chat->view, l->data);
1073                 g_object_unref (l->data);
1074         }
1075         g_list_free (messages);
1076
1077         /* Turn back on scrolling */
1078         empathy_chat_view_scroll (chat->view, TRUE);
1079 }
1080
1081 static gint
1082 chat_contacts_completion_func (const gchar *s1,
1083                                const gchar *s2,
1084                                gsize        n)
1085 {
1086         gchar *tmp, *nick1, *nick2;
1087         gint   ret;
1088
1089         if (s1 == s2) {
1090                 return 0;
1091         }
1092         if (!s1 || !s2) {
1093                 return s1 ? -1 : +1;
1094         }
1095
1096         tmp = g_utf8_normalize (s1, -1, G_NORMALIZE_DEFAULT);
1097         nick1 = g_utf8_casefold (tmp, -1);
1098         g_free (tmp);
1099
1100         tmp = g_utf8_normalize (s2, -1, G_NORMALIZE_DEFAULT);
1101         nick2 = g_utf8_casefold (tmp, -1);
1102         g_free (tmp);
1103
1104         ret = strncmp (nick1, nick2, n);
1105
1106         g_free (nick1);
1107         g_free (nick2);
1108
1109         return ret;
1110 }
1111
1112 static void
1113 chat_members_changed_cb (EmpathyTpChat  *tp_chat,
1114                          EmpathyContact *contact,
1115                          EmpathyContact *actor,
1116                          guint           reason,
1117                          gchar          *message,
1118                          gboolean        is_member,
1119                          EmpathyChat    *chat)
1120 {
1121         EmpathyChatPriv *priv = GET_PRIV (chat);
1122
1123         if (priv->block_events_timeout_id == 0) {
1124                 gchar *str;
1125
1126                 empathy_contact_run_until_ready (contact,
1127                                                  EMPATHY_CONTACT_READY_NAME,
1128                                                  NULL);
1129
1130                 if (is_member) {
1131                         str = g_strdup_printf (_("%s has joined the room"),
1132                                                empathy_contact_get_name (contact));
1133                 } else {
1134                         str = g_strdup_printf (_("%s has left the room"),
1135                                                empathy_contact_get_name (contact));
1136                 }
1137                 empathy_chat_view_append_event (chat->view, str);
1138                 g_free (str);
1139         }
1140 }
1141
1142 static gboolean
1143 chat_reset_size_request (gpointer widget)
1144 {
1145         gtk_widget_set_size_request (widget, -1, -1);
1146
1147         return FALSE;
1148 }
1149
1150 static void
1151 chat_set_show_contacts (EmpathyChat *chat, gboolean show)
1152 {
1153         EmpathyChatPriv *priv = GET_PRIV (chat);
1154
1155         if (!priv->scrolled_window_contacts) {
1156                 return;
1157         }
1158
1159         if (show) {
1160                 EmpathyContactListStore *store;
1161                 gint                     min_width;
1162
1163                 /* We are adding the contact list to the chat, we don't want the
1164                  * chat view to become too small. If the chat view is already
1165                  * smaller than 250 make sure that size won't change. If the
1166                  * chat view is bigger the contact list will take some space on
1167                  * it but we make sure the chat view don't become smaller than
1168                  * 250. Relax the size request once the resize is done */
1169                 min_width = MIN (priv->vbox_left->allocation.width, 250);
1170                 gtk_widget_set_size_request (priv->vbox_left, min_width, -1);
1171                 g_idle_add (chat_reset_size_request, priv->vbox_left);
1172
1173                 if (priv->contacts_width > 0) {
1174                         gtk_paned_set_position (GTK_PANED (priv->hpaned),
1175                                                 priv->contacts_width);
1176                 }
1177
1178                 store = empathy_contact_list_store_new (EMPATHY_CONTACT_LIST (priv->tp_chat));
1179                 priv->contact_list_view = GTK_WIDGET (empathy_contact_list_view_new (store,
1180                         EMPATHY_CONTACT_LIST_FEATURE_NONE,
1181                         EMPATHY_CONTACT_FEATURE_CHAT |
1182                         EMPATHY_CONTACT_FEATURE_CALL |
1183                         EMPATHY_CONTACT_FEATURE_LOG |
1184                         EMPATHY_CONTACT_FEATURE_INFO));
1185                 gtk_container_add (GTK_CONTAINER (priv->scrolled_window_contacts),
1186                                    priv->contact_list_view);
1187                 gtk_widget_show (priv->contact_list_view);
1188                 gtk_widget_show (priv->scrolled_window_contacts);
1189                 g_object_unref (store);
1190         } else {
1191                 priv->contacts_width = gtk_paned_get_position (GTK_PANED (priv->hpaned));
1192                 gtk_widget_hide (priv->scrolled_window_contacts);
1193                 if (priv->contact_list_view) {
1194                         gtk_widget_destroy (priv->contact_list_view);
1195                         priv->contact_list_view = NULL;
1196                 }
1197         }
1198 }
1199
1200 static void
1201 chat_remote_contact_changed_cb (EmpathyChat *chat)
1202 {
1203         EmpathyChatPriv *priv = GET_PRIV (chat);
1204
1205         if (priv->remote_contact) {
1206                 g_object_unref (priv->remote_contact);
1207                 priv->remote_contact = NULL;
1208         }
1209
1210         priv->remote_contact = empathy_tp_chat_get_remote_contact (priv->tp_chat);
1211         if (priv->remote_contact) {
1212                 g_object_ref (priv->remote_contact);
1213                 priv->handle_type = TP_HANDLE_TYPE_CONTACT;
1214                 g_free (priv->id);
1215                 priv->id = g_strdup (empathy_contact_get_id (priv->remote_contact));
1216         }
1217         else if (priv->tp_chat) {
1218                 TpChannel *channel;
1219
1220                 channel = empathy_tp_chat_get_channel (priv->tp_chat);
1221                 g_object_get (channel, "handle-type", &priv->handle_type, NULL);
1222                 g_free (priv->id);
1223                 priv->id = g_strdup (empathy_tp_chat_get_id (priv->tp_chat));
1224         }
1225
1226         chat_set_show_contacts (chat, priv->remote_contact == NULL);
1227
1228         g_object_notify (G_OBJECT (chat), "remote-contact");
1229         g_object_notify (G_OBJECT (chat), "id");
1230 }
1231
1232 static void
1233 chat_destroy_cb (EmpathyTpChat *tp_chat,
1234                  EmpathyChat   *chat)
1235 {
1236         EmpathyChatPriv *priv;
1237
1238         priv = GET_PRIV (chat);
1239
1240         if (!priv->tp_chat) {
1241                 return;
1242         }
1243
1244         g_object_unref (priv->tp_chat);
1245         priv->tp_chat = NULL;
1246         g_object_notify (G_OBJECT (chat), "tp-chat");
1247
1248         empathy_chat_view_append_event (chat->view, _("Disconnected"));
1249         gtk_widget_set_sensitive (chat->input_text_view, FALSE);
1250         chat_set_show_contacts (chat, FALSE);
1251 }
1252
1253 static void
1254 show_pending_messages (EmpathyChat *chat) {
1255         EmpathyChatPriv *priv = GET_PRIV (chat);
1256         const GList *messages, *l;
1257
1258         if (chat->view == NULL || priv->tp_chat == NULL)
1259                 return;
1260
1261         messages = empathy_tp_chat_get_pending_messages (priv->tp_chat);
1262
1263         for (l = messages; l != NULL ; l = g_list_next (l)) {
1264                 EmpathyMessage *message = EMPATHY_MESSAGE (l->data);
1265                 chat_message_received (chat, message);
1266         }
1267         empathy_tp_chat_acknowledge_messages (priv->tp_chat, messages);
1268 }
1269
1270 static void
1271 chat_create_ui (EmpathyChat *chat)
1272 {
1273         EmpathyChatPriv *priv = GET_PRIV (chat);
1274         GladeXML        *glade;
1275         GList           *list = NULL;
1276         gchar           *filename;
1277         GtkTextBuffer   *buffer;
1278
1279         filename = empathy_file_lookup ("empathy-chat.glade",
1280                                         "libempathy-gtk");
1281         glade = empathy_glade_get_file (filename,
1282                                         "chat_widget",
1283                                         NULL,
1284                                         "chat_widget", &priv->widget,
1285                                         "hpaned", &priv->hpaned,
1286                                         "vbox_left", &priv->vbox_left,
1287                                         "scrolled_window_chat", &priv->scrolled_window_chat,
1288                                         "scrolled_window_input", &priv->scrolled_window_input,
1289                                         "hbox_topic", &priv->hbox_topic,
1290                                         "label_topic", &priv->label_topic,
1291                                         "scrolled_window_contacts", &priv->scrolled_window_contacts,
1292                                         NULL);
1293         g_free (filename);
1294         g_object_unref (glade);
1295
1296         /* Add message view. */
1297         chat->view = empathy_theme_manager_create_view (empathy_theme_manager_get ());
1298         g_signal_connect (chat->view, "focus_in_event",
1299                           G_CALLBACK (chat_text_view_focus_in_event_cb),
1300                           chat);
1301         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat),
1302                            GTK_WIDGET (chat->view));
1303         gtk_widget_show (GTK_WIDGET (chat->view));
1304
1305         /* Add input GtkTextView */
1306         chat->input_text_view = g_object_new (GTK_TYPE_TEXT_VIEW,
1307                                               "pixels-above-lines", 2,
1308                                               "pixels-below-lines", 2,
1309                                               "pixels-inside-wrap", 1,
1310                                               "right-margin", 2,
1311                                               "left-margin", 2,
1312                                               "wrap-mode", GTK_WRAP_WORD_CHAR,
1313                                               NULL);
1314         g_signal_connect (chat->input_text_view, "key-press-event",
1315                           G_CALLBACK (chat_input_key_press_event_cb),
1316                           chat);
1317         g_signal_connect (chat->input_text_view, "size-request",
1318                           G_CALLBACK (chat_input_size_request_cb),
1319                           chat);
1320         g_signal_connect (chat->input_text_view, "realize",
1321                           G_CALLBACK (chat_input_realize_cb),
1322                           chat);
1323         g_signal_connect (chat->input_text_view, "populate-popup",
1324                           G_CALLBACK (chat_input_populate_popup_cb),
1325                           chat);
1326         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1327         g_signal_connect (buffer, "changed",
1328                           G_CALLBACK (chat_input_text_buffer_changed_cb),
1329                           chat);
1330         gtk_text_buffer_create_tag (buffer, "misspelled",
1331                                     "underline", PANGO_UNDERLINE_ERROR,
1332                                     NULL);
1333         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input),
1334                            chat->input_text_view);
1335         gtk_widget_show (chat->input_text_view);
1336
1337         /* Create contact list */
1338         chat_set_show_contacts (chat, priv->remote_contact == NULL);
1339
1340         /* Initialy hide the topic, will be shown if not empty */
1341         gtk_widget_hide (priv->hbox_topic);
1342
1343         /* Set widget focus order */
1344         list = g_list_append (NULL, priv->scrolled_window_input);
1345         gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list);
1346         g_list_free (list);
1347
1348         list = g_list_append (NULL, priv->vbox_left);
1349         list = g_list_append (list, priv->scrolled_window_contacts);
1350         gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list);
1351         g_list_free (list);
1352
1353         list = g_list_append (NULL, priv->hpaned);
1354         list = g_list_append (list, priv->hbox_topic);
1355         gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list);
1356         g_list_free (list);
1357
1358         /* Add the main widget in the chat widget */
1359         gtk_container_add (GTK_CONTAINER (chat), priv->widget);
1360 }
1361
1362 static void
1363 chat_size_request (GtkWidget      *widget,
1364                    GtkRequisition *requisition)
1365 {
1366   GtkBin *bin = GTK_BIN (widget);
1367
1368   requisition->width = GTK_CONTAINER (widget)->border_width * 2;
1369   requisition->height = GTK_CONTAINER (widget)->border_width * 2;
1370
1371   if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
1372     {
1373       GtkRequisition child_requisition;
1374
1375       gtk_widget_size_request (bin->child, &child_requisition);
1376
1377       requisition->width += child_requisition.width;
1378       requisition->height += child_requisition.height;
1379     }
1380 }
1381
1382 static void
1383 chat_size_allocate (GtkWidget     *widget,
1384                     GtkAllocation *allocation)
1385 {
1386   GtkBin *bin = GTK_BIN (widget);
1387   GtkAllocation child_allocation;
1388
1389   widget->allocation = *allocation;
1390
1391   if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
1392     {
1393       child_allocation.x = allocation->x + GTK_CONTAINER (widget)->border_width;
1394       child_allocation.y = allocation->y + GTK_CONTAINER (widget)->border_width;
1395       child_allocation.width = MAX (allocation->width - GTK_CONTAINER (widget)->border_width * 2, 0);
1396       child_allocation.height = MAX (allocation->height - GTK_CONTAINER (widget)->border_width * 2, 0);
1397
1398       gtk_widget_size_allocate (bin->child, &child_allocation);
1399     }
1400 }
1401
1402 static void
1403 chat_finalize (GObject *object)
1404 {
1405         EmpathyChat     *chat;
1406         EmpathyChatPriv *priv;
1407
1408         chat = EMPATHY_CHAT (object);
1409         priv = GET_PRIV (chat);
1410
1411         DEBUG ("Finalized: %p", object);
1412
1413         g_slist_foreach (priv->sent_messages, (GFunc) g_free, NULL);
1414         g_slist_free (priv->sent_messages);
1415
1416         g_list_foreach (priv->compositors, (GFunc) g_object_unref, NULL);
1417         g_list_free (priv->compositors);
1418
1419         chat_composing_remove_timeout (chat);
1420
1421         g_signal_handlers_disconnect_by_func (priv->account_manager,
1422                                               chat_connection_changed_cb, object);
1423
1424         g_object_unref (priv->account_manager);
1425         g_object_unref (priv->log_manager);
1426
1427         if (priv->tp_chat) {
1428                 g_signal_handler_disconnect (priv->tp_chat, priv->tp_chat_destroy_handler);
1429                 empathy_tp_chat_close (priv->tp_chat);
1430                 g_object_unref (priv->tp_chat);
1431         }
1432         if (priv->account) {
1433                 g_object_unref (priv->account);
1434         }
1435         if (priv->remote_contact) {
1436                 g_object_unref (priv->remote_contact);
1437         }
1438
1439         if (priv->block_events_timeout_id) {
1440                 g_source_remove (priv->block_events_timeout_id);
1441         }
1442
1443         g_free (priv->id);
1444         g_free (priv->name);
1445         g_free (priv->subject);
1446
1447         G_OBJECT_CLASS (empathy_chat_parent_class)->finalize (object);
1448 }
1449
1450 static void
1451 chat_constructed (GObject *object)
1452 {
1453         EmpathyChat *chat = EMPATHY_CHAT (object);
1454
1455         chat_create_ui (chat);
1456         chat_add_logs (chat);
1457         show_pending_messages (chat);
1458 }
1459
1460 static void
1461 empathy_chat_class_init (EmpathyChatClass *klass)
1462 {
1463         GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
1464         GObjectClass   *object_class = G_OBJECT_CLASS (klass);
1465
1466         object_class->finalize = chat_finalize;
1467         object_class->get_property = chat_get_property;
1468         object_class->set_property = chat_set_property;
1469         object_class->constructed = chat_constructed;
1470
1471         widget_class->size_request = chat_size_request;
1472         widget_class->size_allocate = chat_size_allocate;
1473
1474         g_object_class_install_property (object_class,
1475                                          PROP_TP_CHAT,
1476                                          g_param_spec_object ("tp-chat",
1477                                                               "Empathy tp chat",
1478                                                               "The tp chat object",
1479                                                               EMPATHY_TYPE_TP_CHAT,
1480                                                               G_PARAM_CONSTRUCT |
1481                                                               G_PARAM_READWRITE));
1482         g_object_class_install_property (object_class,
1483                                          PROP_ACCOUNT,
1484                                          g_param_spec_object ("account",
1485                                                               "Account of the chat",
1486                                                               "The account of the chat",
1487                                                               MC_TYPE_ACCOUNT,
1488                                                               G_PARAM_READABLE));
1489         g_object_class_install_property (object_class,
1490                                          PROP_ID,
1491                                          g_param_spec_string ("id",
1492                                                               "Chat's id",
1493                                                               "The id of the chat",
1494                                                               NULL,
1495                                                               G_PARAM_READABLE));
1496         g_object_class_install_property (object_class,
1497                                          PROP_NAME,
1498                                          g_param_spec_string ("name",
1499                                                               "Chat's name",
1500                                                               "The name of the chat",
1501                                                               NULL,
1502                                                               G_PARAM_READABLE));
1503         g_object_class_install_property (object_class,
1504                                          PROP_SUBJECT,
1505                                          g_param_spec_string ("subject",
1506                                                               "Chat's subject",
1507                                                               "The subject or topic of the chat",
1508                                                               NULL,
1509                                                               G_PARAM_READABLE));
1510         g_object_class_install_property (object_class,
1511                                          PROP_REMOTE_CONTACT,
1512                                          g_param_spec_object ("remote-contact",
1513                                                               "The remote contact",
1514                                                               "The remote contact is any",
1515                                                               EMPATHY_TYPE_CONTACT,
1516                                                               G_PARAM_READABLE));
1517
1518         signals[COMPOSING] =
1519                 g_signal_new ("composing",
1520                               G_OBJECT_CLASS_TYPE (object_class),
1521                               G_SIGNAL_RUN_LAST,
1522                               0,
1523                               NULL, NULL,
1524                               g_cclosure_marshal_VOID__BOOLEAN,
1525                               G_TYPE_NONE,
1526                               1, G_TYPE_BOOLEAN);
1527
1528         signals[NEW_MESSAGE] =
1529                 g_signal_new ("new-message",
1530                               G_OBJECT_CLASS_TYPE (object_class),
1531                               G_SIGNAL_RUN_LAST,
1532                               0,
1533                               NULL, NULL,
1534                               g_cclosure_marshal_VOID__OBJECT,
1535                               G_TYPE_NONE,
1536                               1, EMPATHY_TYPE_MESSAGE);
1537
1538         g_type_class_add_private (object_class, sizeof (EmpathyChatPriv));
1539 }
1540
1541 static gboolean
1542 chat_block_events_timeout_cb (gpointer data)
1543 {
1544         EmpathyChatPriv *priv = GET_PRIV (data);
1545
1546         priv->block_events_timeout_id = 0;
1547
1548         return FALSE;
1549 }
1550
1551 static void
1552 empathy_chat_init (EmpathyChat *chat)
1553 {
1554         EmpathyChatPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chat,
1555                 EMPATHY_TYPE_CHAT, EmpathyChatPriv);
1556
1557         chat->priv = priv;
1558         priv->log_manager = empathy_log_manager_dup_singleton ();
1559         priv->contacts_width = -1;
1560         priv->sent_messages = NULL;
1561         priv->sent_messages_index = -1;
1562         priv->account_manager = empathy_account_manager_dup_singleton ();
1563
1564         g_signal_connect (priv->account_manager,
1565                           "account-connection-changed",
1566                           G_CALLBACK (chat_connection_changed_cb),
1567                           chat);
1568
1569         /* Block events for some time to avoid having "has come online" or
1570          * "joined" messages. */
1571         priv->block_events_timeout_id =
1572                 g_timeout_add_seconds (1, chat_block_events_timeout_cb, chat);
1573
1574         /* Add nick name completion */
1575         priv->completion = g_completion_new ((GCompletionFunc) empathy_contact_get_name);
1576         g_completion_set_compare (priv->completion, chat_contacts_completion_func);
1577 }
1578
1579 EmpathyChat *
1580 empathy_chat_new (EmpathyTpChat *tp_chat)
1581 {
1582         return g_object_new (EMPATHY_TYPE_CHAT, "tp-chat", tp_chat, NULL);
1583 }
1584
1585 EmpathyTpChat *
1586 empathy_chat_get_tp_chat (EmpathyChat *chat)
1587 {
1588         EmpathyChatPriv *priv = GET_PRIV (chat);
1589
1590         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1591
1592         return priv->tp_chat;
1593 }
1594
1595 void
1596 empathy_chat_set_tp_chat (EmpathyChat   *chat,
1597                           EmpathyTpChat *tp_chat)
1598 {
1599         EmpathyChatPriv *priv = GET_PRIV (chat);
1600
1601         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1602         g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
1603         g_return_if_fail (empathy_tp_chat_is_ready (tp_chat));
1604
1605         if (priv->tp_chat) {
1606                 return;
1607         }
1608
1609         if (priv->account) {
1610                 g_object_unref (priv->account);
1611         }
1612
1613         priv->tp_chat = g_object_ref (tp_chat);
1614         priv->account = g_object_ref (empathy_tp_chat_get_account (tp_chat));
1615
1616         g_signal_connect (tp_chat, "message-received",
1617                           G_CALLBACK (chat_message_received_cb),
1618                           chat);
1619         g_signal_connect (tp_chat, "send-error",
1620                           G_CALLBACK (chat_send_error_cb),
1621                           chat);
1622         g_signal_connect (tp_chat, "chat-state-changed",
1623                           G_CALLBACK (chat_state_changed_cb),
1624                           chat);
1625         g_signal_connect (tp_chat, "property-changed",
1626                           G_CALLBACK (chat_property_changed_cb),
1627                           chat);
1628         g_signal_connect (tp_chat, "members-changed",
1629                           G_CALLBACK (chat_members_changed_cb),
1630                           chat);
1631         g_signal_connect_swapped (tp_chat, "notify::remote-contact",
1632                                   G_CALLBACK (chat_remote_contact_changed_cb),
1633                                   chat);
1634         priv->tp_chat_destroy_handler =
1635                 g_signal_connect (tp_chat, "destroy",
1636                           G_CALLBACK (chat_destroy_cb),
1637                           chat);
1638
1639         chat_remote_contact_changed_cb (chat);
1640
1641         if (chat->input_text_view) {
1642                 gtk_widget_set_sensitive (chat->input_text_view, TRUE);
1643                 if (priv->block_events_timeout_id == 0) {
1644                         empathy_chat_view_append_event (chat->view, _("Connected"));
1645                 }
1646         }
1647
1648         g_object_notify (G_OBJECT (chat), "tp-chat");
1649         g_object_notify (G_OBJECT (chat), "id");
1650         g_object_notify (G_OBJECT (chat), "account");
1651
1652         /* This is a noop when tp-chat is set at object construction time and causes
1653          * the pending messages to be show when it's set on the object after it has
1654          * been created */
1655         show_pending_messages (chat);
1656 }
1657
1658 McAccount *
1659 empathy_chat_get_account (EmpathyChat *chat)
1660 {
1661         EmpathyChatPriv *priv = GET_PRIV (chat);
1662
1663         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1664
1665         return priv->account;
1666 }
1667
1668 const gchar *
1669 empathy_chat_get_id (EmpathyChat *chat)
1670 {
1671         EmpathyChatPriv *priv = GET_PRIV (chat);
1672
1673         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1674
1675         return priv->id;
1676 }
1677
1678 const gchar *
1679 empathy_chat_get_name (EmpathyChat *chat)
1680 {
1681         EmpathyChatPriv *priv = GET_PRIV (chat);
1682         const gchar *ret;
1683
1684         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1685
1686         ret = priv->name;
1687         if (!ret && priv->remote_contact) {
1688                 ret = empathy_contact_get_name (priv->remote_contact);
1689         }
1690
1691         if (!ret)
1692                 ret = priv->id;
1693
1694         return ret ? ret : _("Conversation");
1695 }
1696
1697 const gchar *
1698 empathy_chat_get_subject (EmpathyChat *chat)
1699 {
1700         EmpathyChatPriv *priv = GET_PRIV (chat);
1701
1702         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1703
1704         return priv->subject;
1705 }
1706
1707 EmpathyContact *
1708 empathy_chat_get_remote_contact (EmpathyChat *chat)
1709 {
1710         EmpathyChatPriv *priv = GET_PRIV (chat);
1711
1712         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1713
1714         return priv->remote_contact;
1715 }
1716
1717 guint
1718 empathy_chat_get_members_count (EmpathyChat *chat)
1719 {
1720         EmpathyChatPriv *priv = GET_PRIV (chat);
1721
1722         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), 0);
1723
1724         if (priv->tp_chat) {
1725                 return empathy_tp_chat_get_members_count (priv->tp_chat);
1726         }
1727
1728         return 0;
1729 }
1730
1731 GtkWidget *
1732 empathy_chat_get_contact_menu (EmpathyChat *chat)
1733 {
1734         EmpathyChatPriv *priv = GET_PRIV (chat);
1735         GtkWidget       *menu = NULL;
1736
1737         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
1738
1739         if (priv->remote_contact) {
1740                 menu = empathy_contact_menu_new (priv->remote_contact,
1741                                                  EMPATHY_CONTACT_FEATURE_CALL |
1742                                                  EMPATHY_CONTACT_FEATURE_LOG |
1743                                                  EMPATHY_CONTACT_FEATURE_INFO);
1744         }
1745         else if (priv->contact_list_view) {
1746                 EmpathyContactListView *view;
1747
1748                 view = EMPATHY_CONTACT_LIST_VIEW (priv->contact_list_view);
1749                 menu = empathy_contact_list_view_get_contact_menu (view);
1750         }
1751
1752         return menu;
1753 }
1754
1755 void
1756 empathy_chat_clear (EmpathyChat *chat)
1757 {
1758         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1759
1760         empathy_chat_view_clear (chat->view);
1761 }
1762
1763 void
1764 empathy_chat_scroll_down (EmpathyChat *chat)
1765 {
1766         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1767
1768         empathy_chat_view_scroll_down (chat->view);
1769 }
1770
1771 void
1772 empathy_chat_cut (EmpathyChat *chat)
1773 {
1774         GtkTextBuffer *buffer;
1775
1776         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1777
1778         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1779         if (gtk_text_buffer_get_has_selection (buffer)) {
1780                 GtkClipboard *clipboard;
1781
1782                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1783
1784                 gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE);
1785         }
1786 }
1787
1788 void
1789 empathy_chat_copy (EmpathyChat *chat)
1790 {
1791         GtkTextBuffer *buffer;
1792
1793         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1794
1795         if (empathy_chat_view_get_has_selection (chat->view)) {
1796                 empathy_chat_view_copy_clipboard (chat->view);
1797                 return;
1798         }
1799
1800         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1801         if (gtk_text_buffer_get_has_selection (buffer)) {
1802                 GtkClipboard *clipboard;
1803
1804                 clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1805
1806                 gtk_text_buffer_copy_clipboard (buffer, clipboard);
1807         }
1808 }
1809
1810 void
1811 empathy_chat_paste (EmpathyChat *chat)
1812 {
1813         GtkTextBuffer *buffer;
1814         GtkClipboard  *clipboard;
1815
1816         g_return_if_fail (EMPATHY_IS_CHAT (chat));
1817
1818         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1819         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1820
1821         gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE);
1822 }
1823
1824 void
1825 empathy_chat_correct_word (EmpathyChat  *chat,
1826                           GtkTextIter *start,
1827                           GtkTextIter *end,
1828                           const gchar *new_word)
1829 {
1830         GtkTextBuffer *buffer;
1831
1832         g_return_if_fail (chat != NULL);
1833         g_return_if_fail (new_word != NULL);
1834
1835         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view));
1836
1837         gtk_text_buffer_delete (buffer, start, end);
1838         gtk_text_buffer_insert (buffer, start,
1839                                 new_word,
1840                                 -1);
1841 }
1842
1843 gboolean
1844 empathy_chat_is_room (EmpathyChat *chat)
1845 {
1846         EmpathyChatPriv *priv = GET_PRIV (chat);
1847
1848         g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
1849
1850         return (priv->handle_type == TP_HANDLE_TYPE_ROOM);
1851 }
1852