/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* * Copyright (C) 2002-2007 Imendio AB * Copyright (C) 2007-2008 Collabora Ltd. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this program; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. * * Authors: Mikael Hallendal * Richard Hult * Martyn Russell * Geert-Jan Van den Bogaerde * Xavier Claessens */ #include #include #include #include #include #include #include #include #include #include #include #include "empathy-chat.h" #include "empathy-conf.h" #include "empathy-spell.h" #include "empathy-spell-dialog.h" #include "empathy-contact-list-store.h" #include "empathy-contact-list-view.h" #include "empathy-contact-menu.h" #include "empathy-theme-manager.h" #include "empathy-smiley-manager.h" #include "empathy-ui-utils.h" #define DEBUG_FLAG EMPATHY_DEBUG_CHAT #include #define CHAT_DIR_CREATE_MODE (S_IRUSR | S_IWUSR | S_IXUSR) #define CHAT_FILE_CREATE_MODE (S_IRUSR | S_IWUSR) #define IS_ENTER(v) (v == GDK_Return || v == GDK_ISO_Enter || v == GDK_KP_Enter) #define MAX_INPUT_HEIGHT 150 #define COMPOSING_STOP_TIMEOUT 5 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyChat) typedef struct { EmpathyTpChat *tp_chat; McAccount *account; gchar *id; gchar *name; gchar *subject; EmpathyContact *remote_contact; EmpathyLogManager *log_manager; EmpathyAccountManager *account_manager; GSList *sent_messages; gint sent_messages_index; GList *compositors; GCompletion *completion; guint composing_stop_timeout_id; guint block_events_timeout_id; TpHandleType handle_type; gint contacts_width; gboolean has_input_vscroll; GtkWidget *widget; GtkWidget *hpaned; GtkWidget *vbox_left; GtkWidget *scrolled_window_chat; GtkWidget *scrolled_window_input; GtkWidget *scrolled_window_contacts; GtkWidget *hbox_topic; GtkWidget *label_topic; GtkWidget *contact_list_view; } EmpathyChatPriv; enum { COMPOSING, NEW_MESSAGE, LAST_SIGNAL }; enum { PROP_0, PROP_TP_CHAT, PROP_ACCOUNT, PROP_ID, PROP_NAME, PROP_SUBJECT, PROP_REMOTE_CONTACT, }; static guint signals[LAST_SIGNAL] = { 0 }; G_DEFINE_TYPE (EmpathyChat, empathy_chat, GTK_TYPE_BIN); static void chat_get_property (GObject *object, guint param_id, GValue *value, GParamSpec *pspec) { EmpathyChat *chat = EMPATHY_CHAT (object); EmpathyChatPriv *priv = GET_PRIV (object); switch (param_id) { case PROP_TP_CHAT: g_value_set_object (value, priv->tp_chat); break; case PROP_ACCOUNT: g_value_set_object (value, priv->account); break; case PROP_NAME: g_value_set_string (value, empathy_chat_get_name (chat)); break; case PROP_ID: g_value_set_string (value, priv->id); break; case PROP_SUBJECT: g_value_set_string (value, priv->subject); break; case PROP_REMOTE_CONTACT: g_value_set_object (value, priv->remote_contact); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); break; }; } static void chat_set_property (GObject *object, guint param_id, const GValue *value, GParamSpec *pspec) { EmpathyChat *chat = EMPATHY_CHAT (object); switch (param_id) { case PROP_TP_CHAT: empathy_chat_set_tp_chat (chat, EMPATHY_TP_CHAT (g_value_get_object (value))); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); break; }; } static void chat_connection_changed_cb (EmpathyAccountManager *manager, McAccount *account, TpConnectionStatusReason reason, TpConnectionStatus current, TpConnectionStatus previous, EmpathyChat *chat) { EmpathyChatPriv *priv = GET_PRIV (chat); if (current == TP_CONNECTION_STATUS_CONNECTED && !priv->tp_chat && empathy_account_equal (account, priv->account) && priv->handle_type != TP_HANDLE_TYPE_NONE) { TpConnection *connection; MissionControl *mc; DEBUG ("Account reconnected, request a new Text channel"); mc = empathy_mission_control_new (); connection = mission_control_get_tpconnection (mc, account, NULL); tp_connection_run_until_ready (connection, FALSE, NULL, NULL); empathy_connection_request_channel (connection, -1, TP_IFACE_CHANNEL_TYPE_TEXT, priv->handle_type, priv->id, TRUE, NULL, NULL, NULL, NULL); g_object_unref (connection); g_object_unref (mc); } } static void chat_composing_remove_timeout (EmpathyChat *chat) { EmpathyChatPriv *priv; priv = GET_PRIV (chat); if (priv->composing_stop_timeout_id) { g_source_remove (priv->composing_stop_timeout_id); priv->composing_stop_timeout_id = 0; } } static gboolean chat_composing_stop_timeout_cb (EmpathyChat *chat) { EmpathyChatPriv *priv; priv = GET_PRIV (chat); priv->composing_stop_timeout_id = 0; empathy_tp_chat_set_state (priv->tp_chat, TP_CHANNEL_CHAT_STATE_PAUSED); return FALSE; } static void chat_composing_start (EmpathyChat *chat) { EmpathyChatPriv *priv; priv = GET_PRIV (chat); if (priv->composing_stop_timeout_id) { /* Just restart the timeout */ chat_composing_remove_timeout (chat); } else { empathy_tp_chat_set_state (priv->tp_chat, TP_CHANNEL_CHAT_STATE_COMPOSING); } priv->composing_stop_timeout_id = g_timeout_add_seconds ( COMPOSING_STOP_TIMEOUT, (GSourceFunc) chat_composing_stop_timeout_cb, chat); } static void chat_composing_stop (EmpathyChat *chat) { EmpathyChatPriv *priv; priv = GET_PRIV (chat); chat_composing_remove_timeout (chat); empathy_tp_chat_set_state (priv->tp_chat, TP_CHANNEL_CHAT_STATE_ACTIVE); } static void chat_sent_message_add (EmpathyChat *chat, const gchar *str) { EmpathyChatPriv *priv; GSList *list; GSList *item; priv = GET_PRIV (chat); /* Save the sent message in our repeat buffer */ list = priv->sent_messages; /* Remove any other occurances of this msg */ while ((item = g_slist_find_custom (list, str, (GCompareFunc) strcmp)) != NULL) { list = g_slist_remove_link (list, item); g_free (item->data); g_slist_free1 (item); } /* Trim the list to the last 10 items */ while (g_slist_length (list) > 10) { item = g_slist_last (list); if (item) { list = g_slist_remove_link (list, item); g_free (item->data); g_slist_free1 (item); } } /* Add new message */ list = g_slist_prepend (list, g_strdup (str)); /* Set list and reset the index */ priv->sent_messages = list; priv->sent_messages_index = -1; } static const gchar * chat_sent_message_get_next (EmpathyChat *chat) { EmpathyChatPriv *priv; gint max; priv = GET_PRIV (chat); if (!priv->sent_messages) { DEBUG ("No sent messages, next message is NULL"); return NULL; } max = g_slist_length (priv->sent_messages) - 1; if (priv->sent_messages_index < max) { priv->sent_messages_index++; } DEBUG ("Returning next message index:%d", priv->sent_messages_index); return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index); } static const gchar * chat_sent_message_get_last (EmpathyChat *chat) { EmpathyChatPriv *priv; g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL); priv = GET_PRIV (chat); if (!priv->sent_messages) { DEBUG ("No sent messages, last message is NULL"); return NULL; } if (priv->sent_messages_index >= 0) { priv->sent_messages_index--; } DEBUG ("Returning last message index:%d", priv->sent_messages_index); return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index); } static void chat_send (EmpathyChat *chat, const gchar *msg) { EmpathyChatPriv *priv; EmpathyMessage *message; priv = GET_PRIV (chat); if (G_STR_EMPTY (msg)) { return; } chat_sent_message_add (chat, msg); if (g_str_has_prefix (msg, "/clear")) { empathy_chat_view_clear (chat->view); return; } message = empathy_message_new (msg); empathy_tp_chat_send (priv->tp_chat, message); g_object_unref (message); } static void chat_input_text_view_send (EmpathyChat *chat) { EmpathyChatPriv *priv; GtkTextBuffer *buffer; GtkTextIter start, end; gchar *msg; priv = GET_PRIV (chat); buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view)); gtk_text_buffer_get_bounds (buffer, &start, &end); msg = gtk_text_buffer_get_text (buffer, &start, &end, FALSE); /* clear the input field */ gtk_text_buffer_set_text (buffer, "", -1); chat_send (chat, msg); g_free (msg); } static void chat_state_changed_cb (EmpathyTpChat *tp_chat, EmpathyContact *contact, TpChannelChatState state, EmpathyChat *chat) { EmpathyChatPriv *priv; GList *l; gboolean was_composing; priv = GET_PRIV (chat); if (empathy_contact_is_user (contact)) { /* We don't care about our own chat state */ return; } was_composing = (priv->compositors != NULL); /* Find the contact in the list. After that l is the list elem or NULL */ for (l = priv->compositors; l; l = l->next) { if (contact == l->data) { break; } } switch (state) { case TP_CHANNEL_CHAT_STATE_GONE: case TP_CHANNEL_CHAT_STATE_INACTIVE: case TP_CHANNEL_CHAT_STATE_PAUSED: case TP_CHANNEL_CHAT_STATE_ACTIVE: /* Contact is not composing */ if (l) { priv->compositors = g_list_remove_link (priv->compositors, l); g_object_unref (l->data); g_list_free1 (l); } break; case TP_CHANNEL_CHAT_STATE_COMPOSING: /* Contact is composing */ if (!l) { priv->compositors = g_list_prepend (priv->compositors, g_object_ref (contact)); } break; default: g_assert_not_reached (); } DEBUG ("Was composing: %s now composing: %s", was_composing ? "yes" : "no", priv->compositors ? "yes" : "no"); if ((was_composing && !priv->compositors) || (!was_composing && priv->compositors)) { /* Composing state changed */ g_signal_emit (chat, signals[COMPOSING], 0, priv->compositors != NULL); } } static void chat_message_received_cb (EmpathyTpChat *tp_chat, EmpathyMessage *message, EmpathyChat *chat) { EmpathyChatPriv *priv = GET_PRIV (chat); EmpathyContact *sender; sender = empathy_message_get_sender (message); DEBUG ("Appending new message from %s (%d)", empathy_contact_get_name (sender), empathy_contact_get_handle (sender)); if (priv->id) { gboolean is_chatroom; is_chatroom = priv->handle_type == TP_HANDLE_TYPE_ROOM; empathy_log_manager_add_message (priv->log_manager, priv->id, is_chatroom, message); } empathy_chat_view_append_message (chat->view, message); /* We received a message so the contact is no more composing */ chat_state_changed_cb (tp_chat, sender, TP_CHANNEL_CHAT_STATE_ACTIVE, chat); g_signal_emit (chat, signals[NEW_MESSAGE], 0, message); } static void chat_send_error_cb (EmpathyTpChat *tp_chat, EmpathyMessage *message, TpChannelTextSendError error_code, EmpathyChat *chat) { const gchar *error; gchar *str; switch (error_code) { case TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE: error = _("offline"); break; case TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT: error = _("invalid contact"); break; case TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED: error = _("permission denied"); break; case TP_CHANNEL_TEXT_SEND_ERROR_TOO_LONG: error = _("too long message"); break; case TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED: error = _("not implemented"); break; default: error = _("unknown"); break; } str = g_strdup_printf (_("Error sending message '%s': %s"), empathy_message_get_body (message), error); empathy_chat_view_append_event (chat->view, str); g_free (str); } static void chat_property_changed_cb (EmpathyTpChat *tp_chat, const gchar *name, GValue *value, EmpathyChat *chat) { EmpathyChatPriv *priv = GET_PRIV (chat); if (!tp_strdiff (name, "subject")) { g_free (priv->subject); priv->subject = g_value_dup_string (value); g_object_notify (G_OBJECT (chat), "subject"); if (G_STR_EMPTY (priv->subject)) { gtk_widget_hide (priv->hbox_topic); } else { gtk_label_set_text (GTK_LABEL (priv->label_topic), priv->subject); gtk_widget_show (priv->hbox_topic); } if (priv->block_events_timeout_id == 0) { gchar *str; if (!G_STR_EMPTY (priv->subject)) { str = g_strdup_printf (_("Topic set to: %s"), priv->subject); } else { str = g_strdup (_("No topic defined")); } empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str); g_free (str); } } else if (!tp_strdiff (name, "name")) { g_free (priv->name); priv->name = g_value_dup_string (value); g_object_notify (G_OBJECT (chat), "name"); } } static gboolean chat_get_is_command (const gchar *str) { g_return_val_if_fail (str != NULL, FALSE); if (str[0] != '/') { return FALSE; } if (g_str_has_prefix (str, "/me")) { return TRUE; } else if (g_str_has_prefix (str, "/nick")) { return TRUE; } else if (g_str_has_prefix (str, "/topic")) { return TRUE; } return FALSE; } static void chat_input_text_buffer_changed_cb (GtkTextBuffer *buffer, EmpathyChat *chat) { EmpathyChatPriv *priv; GtkTextIter start, end; gchar *str; gboolean spell_checker = FALSE; priv = GET_PRIV (chat); if (gtk_text_buffer_get_char_count (buffer) == 0) { chat_composing_stop (chat); } else { chat_composing_start (chat); } empathy_conf_get_bool (empathy_conf_get (), EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED, &spell_checker); gtk_text_buffer_get_start_iter (buffer, &start); if (!spell_checker) { gtk_text_buffer_get_end_iter (buffer, &end); gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end); return; } if (!empathy_spell_supported ()) { return; } /* NOTE: this is really inefficient, we shouldn't have to reiterate the whole buffer each time and check each work every time. */ while (TRUE) { gboolean correct = FALSE; /* if at start */ if (gtk_text_iter_is_start (&start)) { end = start; if (!gtk_text_iter_forward_word_end (&end)) { /* no whole word yet */ break; } } else { if (!gtk_text_iter_forward_word_end (&end)) { /* must be the end of the buffer */ break; } start = end; gtk_text_iter_backward_word_start (&start); } str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE); /* spell check string */ if (!chat_get_is_command (str)) { correct = empathy_spell_check (str); } else { correct = TRUE; } if (!correct) { gtk_text_buffer_apply_tag_by_name (buffer, "misspelled", &start, &end); } else { gtk_text_buffer_remove_tag_by_name (buffer, "misspelled", &start, &end); } g_free (str); /* set start iter to the end iters position */ start = end; } } static gboolean chat_input_key_press_event_cb (GtkWidget *widget, GdkEventKey *event, EmpathyChat *chat) { EmpathyChatPriv *priv; GtkAdjustment *adj; gdouble val; GtkWidget *text_view_sw; priv = GET_PRIV (chat); /* Catch ctrl+up/down so we can traverse messages we sent */ if ((event->state & GDK_CONTROL_MASK) && (event->keyval == GDK_Up || event->keyval == GDK_Down)) { GtkTextBuffer *buffer; const gchar *str; buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view)); if (event->keyval == GDK_Up) { str = chat_sent_message_get_next (chat); } else { str = chat_sent_message_get_last (chat); } g_signal_handlers_block_by_func (buffer, chat_input_text_buffer_changed_cb, chat); gtk_text_buffer_set_text (buffer, str ? str : "", -1); g_signal_handlers_unblock_by_func (buffer, chat_input_text_buffer_changed_cb, chat); return TRUE; } /* Catch enter but not ctrl/shift-enter */ if (IS_ENTER (event->keyval) && !(event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) { GtkTextView *view; /* This is to make sure that kinput2 gets the enter. And if * it's handled there we shouldn't send on it. This is because * kinput2 uses Enter to commit letters. See: * http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104299 */ view = GTK_TEXT_VIEW (chat->input_text_view); if (gtk_im_context_filter_keypress (view->im_context, event)) { GTK_TEXT_VIEW (chat->input_text_view)->need_im_reset = TRUE; return TRUE; } chat_input_text_view_send (chat); return TRUE; } text_view_sw = gtk_widget_get_parent (GTK_WIDGET (chat->view)); if (IS_ENTER (event->keyval) && (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK))) { /* Newline for shift/control-enter. */ return FALSE; } if (!(event->state & GDK_CONTROL_MASK) && event->keyval == GDK_Page_Up) { adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw)); gtk_adjustment_set_value (adj, adj->value - adj->page_size); return TRUE; } if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK && event->keyval == GDK_Page_Down) { adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (text_view_sw)); val = MIN (adj->value + adj->page_size, adj->upper - adj->page_size); gtk_adjustment_set_value (adj, val); return TRUE; } if (!(event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) && event->keyval == GDK_Tab) { GtkTextBuffer *buffer; GtkTextIter start, current; gchar *nick, *completed; GList *list, *completed_list; gboolean is_start_of_buffer; buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (EMPATHY_CHAT (chat)->input_text_view)); gtk_text_buffer_get_iter_at_mark (buffer, ¤t, gtk_text_buffer_get_insert (buffer)); /* Get the start of the nick to complete. */ gtk_text_buffer_get_iter_at_mark (buffer, &start, gtk_text_buffer_get_insert (buffer)); gtk_text_iter_backward_word_start (&start); is_start_of_buffer = gtk_text_iter_is_start (&start); list = empathy_contact_list_get_members (EMPATHY_CONTACT_LIST (priv->tp_chat)); g_completion_add_items (priv->completion, list); nick = gtk_text_buffer_get_text (buffer, &start, ¤t, FALSE); completed_list = g_completion_complete (priv->completion, nick, &completed); g_free (nick); if (completed) { guint len; const gchar *text; gchar *complete_char = NULL; gtk_text_buffer_delete (buffer, &start, ¤t); len = g_list_length (completed_list); if (len == 1) { /* If we only have one hit, use that text * instead of the text in completed since the * completed text will use the typed string * which might be cased all wrong. * Fixes #120876 * */ text = empathy_contact_get_name (completed_list->data); } else { text = completed; } gtk_text_buffer_insert_at_cursor (buffer, text, strlen (text)); if (len == 1 && is_start_of_buffer && empathy_conf_get_string (empathy_conf_get (), EMPATHY_PREFS_CHAT_NICK_COMPLETION_CHAR, &complete_char) && complete_char != NULL) { gtk_text_buffer_insert_at_cursor (buffer, complete_char, strlen (complete_char)); gtk_text_buffer_insert_at_cursor (buffer, " ", 1); g_free (complete_char); } g_free (completed); } g_completion_clear_items (priv->completion); g_list_foreach (list, (GFunc) g_object_unref, NULL); g_list_free (list); return TRUE; } return FALSE; } static gboolean chat_text_view_focus_in_event_cb (GtkWidget *widget, GdkEvent *event, EmpathyChat *chat) { gtk_widget_grab_focus (chat->input_text_view); return TRUE; } static gboolean chat_input_set_size_request_idle (gpointer sw) { gtk_widget_set_size_request (sw, -1, MAX_INPUT_HEIGHT); return FALSE; } static void chat_input_size_request_cb (GtkWidget *widget, GtkRequisition *requisition, EmpathyChat *chat) { EmpathyChatPriv *priv = GET_PRIV (chat); GtkWidget *sw; sw = gtk_widget_get_parent (widget); if (requisition->height >= MAX_INPUT_HEIGHT && !priv->has_input_vscroll) { g_idle_add (chat_input_set_size_request_idle, sw); gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS); priv->has_input_vscroll = TRUE; } if (requisition->height < MAX_INPUT_HEIGHT && priv->has_input_vscroll) { gtk_widget_set_size_request (sw, -1, -1); gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), GTK_POLICY_NEVER, GTK_POLICY_NEVER); priv->has_input_vscroll = FALSE; } } static void chat_input_realize_cb (GtkWidget *widget, EmpathyChat *chat) { DEBUG ("Setting focus to the input text view"); gtk_widget_grab_focus (widget); } static void chat_insert_smiley_activate_cb (EmpathySmileyManager *manager, EmpathySmiley *smiley, gpointer user_data) { EmpathyChat *chat = EMPATHY_CHAT (user_data); GtkTextBuffer *buffer; GtkTextIter iter; buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view)); gtk_text_buffer_get_end_iter (buffer, &iter); gtk_text_buffer_insert (buffer, &iter, smiley->str, -1); gtk_text_buffer_get_end_iter (buffer, &iter); gtk_text_buffer_insert (buffer, &iter, " ", -1); } typedef struct { EmpathyChat *chat; gchar *word; GtkTextIter start; GtkTextIter end; } EmpathyChatSpell; static EmpathyChatSpell * chat_spell_new (EmpathyChat *chat, const gchar *word, GtkTextIter start, GtkTextIter end) { EmpathyChatSpell *chat_spell; chat_spell = g_slice_new0 (EmpathyChatSpell); chat_spell->chat = g_object_ref (chat); chat_spell->word = g_strdup (word); chat_spell->start = start; chat_spell->end = end; return chat_spell; } static void chat_spell_free (EmpathyChatSpell *chat_spell) { g_object_unref (chat_spell->chat); g_free (chat_spell->word); g_slice_free (EmpathyChatSpell, chat_spell); } static void chat_text_check_word_spelling_cb (GtkMenuItem *menuitem, EmpathyChatSpell *chat_spell) { empathy_spell_dialog_show (chat_spell->chat, &chat_spell->start, &chat_spell->end, chat_spell->word); } static void chat_text_send_cb (GtkMenuItem *menuitem, EmpathyChat *chat) { chat_input_text_view_send (chat); } static void chat_input_populate_popup_cb (GtkTextView *view, GtkMenu *menu, EmpathyChat *chat) { EmpathyChatPriv *priv; GtkTextBuffer *buffer; GtkTextTagTable *table; GtkTextTag *tag; gint x, y; GtkTextIter iter, start, end; GtkWidget *item; gchar *str = NULL; EmpathyChatSpell *chat_spell; EmpathySmileyManager *smiley_manager; GtkWidget *smiley_menu; GtkWidget *image; priv = GET_PRIV (chat); buffer = gtk_text_view_get_buffer (view); /* Add the emoticon menu. */ item = gtk_separator_menu_item_new (); gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item); gtk_widget_show (item); item = gtk_image_menu_item_new_with_mnemonic (_("Insert Smiley")); image = gtk_image_new_from_icon_name ("face-smile", GTK_ICON_SIZE_MENU); gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image); gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item); gtk_widget_show (item); smiley_manager = empathy_smiley_manager_new (); smiley_menu = empathy_smiley_menu_new (smiley_manager, chat_insert_smiley_activate_cb, chat); gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu); g_object_unref (smiley_manager); /* Add the Send menu item. */ gtk_text_buffer_get_bounds (buffer, &start, &end); str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE); if (!G_STR_EMPTY (str)) { item = gtk_menu_item_new_with_mnemonic (_("_Send")); g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (chat_text_send_cb), chat); gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item); gtk_widget_show (item); } str = NULL; /* Add the spell check menu item. */ table = gtk_text_buffer_get_tag_table (buffer); tag = gtk_text_tag_table_lookup (table, "misspelled"); gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y); gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view), GTK_TEXT_WINDOW_WIDGET, x, y, &x, &y); gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y); start = end = iter; if (gtk_text_iter_backward_to_tag_toggle (&start, tag) && gtk_text_iter_forward_to_tag_toggle (&end, tag)) { str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE); } if (!G_STR_EMPTY (str)) { chat_spell = chat_spell_new (chat, str, start, end); g_object_set_data_full (G_OBJECT (menu), "chat_spell", chat_spell, (GDestroyNotify) chat_spell_free); item = gtk_separator_menu_item_new (); gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item); gtk_widget_show (item); item = gtk_image_menu_item_new_with_mnemonic (_("_Check Word Spelling...")); image = gtk_image_new_from_icon_name (GTK_STOCK_SPELL_CHECK, GTK_ICON_SIZE_MENU); gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image); g_signal_connect (item, "activate", G_CALLBACK (chat_text_check_word_spelling_cb), chat_spell); gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item); gtk_widget_show (item); } } static void chat_add_logs (EmpathyChat *chat) { EmpathyChatPriv *priv = GET_PRIV (chat); gboolean is_chatroom; GList *messages, *l; guint num_messages; guint i; if (!priv->id) { return; } /* Turn off scrolling temporarily */ empathy_chat_view_scroll (chat->view, FALSE); /* Add messages from last conversation */ is_chatroom = priv->handle_type == TP_HANDLE_TYPE_ROOM; messages = empathy_log_manager_get_last_messages (priv->log_manager, priv->account, priv->id, is_chatroom); num_messages = g_list_length (messages); /* Only keep the 10 last messages */ for (i = 0; num_messages - i > 10; i++) { EmpathyMessage *message; message = messages->data; messages = g_list_remove (messages, message); g_object_unref (message); } for (l = messages; l; l = l->next) { empathy_chat_view_append_message (chat->view, l->data); g_object_unref (l->data); } g_list_free (messages); /* Turn back on scrolling */ empathy_chat_view_scroll (chat->view, TRUE); } static gint chat_contacts_completion_func (const gchar *s1, const gchar *s2, gsize n) { gchar *tmp, *nick1, *nick2; gint ret; if (s1 == s2) { return 0; } if (!s1 || !s2) { return s1 ? -1 : +1; } tmp = g_utf8_normalize (s1, -1, G_NORMALIZE_DEFAULT); nick1 = g_utf8_casefold (tmp, -1); g_free (tmp); tmp = g_utf8_normalize (s2, -1, G_NORMALIZE_DEFAULT); nick2 = g_utf8_casefold (tmp, -1); g_free (tmp); ret = strncmp (nick1, nick2, n); g_free (nick1); g_free (nick2); return ret; } static void chat_members_changed_cb (EmpathyTpChat *tp_chat, EmpathyContact *contact, EmpathyContact *actor, guint reason, gchar *message, gboolean is_member, EmpathyChat *chat) { EmpathyChatPriv *priv = GET_PRIV (chat); if (priv->block_events_timeout_id == 0) { gchar *str; empathy_contact_run_until_ready (contact, EMPATHY_CONTACT_READY_NAME, NULL); if (is_member) { str = g_strdup_printf (_("%s has joined the room"), empathy_contact_get_name (contact)); } else { str = g_strdup_printf (_("%s has left the room"), empathy_contact_get_name (contact)); } empathy_chat_view_append_event (chat->view, str); g_free (str); } } static gboolean chat_reset_size_request (gpointer widget) { gtk_widget_set_size_request (widget, -1, -1); return FALSE; } static void chat_set_show_contacts (EmpathyChat *chat, gboolean show) { EmpathyChatPriv *priv = GET_PRIV (chat); if (!priv->scrolled_window_contacts) { return; } if (show) { EmpathyContactListStore *store; gint min_width; /* We are adding the contact list to the chat, we don't want the * chat view to become too small. If the chat view is already * smaller than 250 make sure that size won't change. If the * chat view is bigger the contact list will take some space on * it but we make sure the chat view don't become smaller than * 250. Relax the size request once the resize is done */ min_width = MIN (priv->vbox_left->allocation.width, 250); gtk_widget_set_size_request (priv->vbox_left, min_width, -1); g_idle_add (chat_reset_size_request, priv->vbox_left); if (priv->contacts_width > 0) { gtk_paned_set_position (GTK_PANED (priv->hpaned), priv->contacts_width); } store = empathy_contact_list_store_new (EMPATHY_CONTACT_LIST (priv->tp_chat)); priv->contact_list_view = GTK_WIDGET (empathy_contact_list_view_new (store, EMPATHY_CONTACT_LIST_FEATURE_NONE, EMPATHY_CONTACT_FEATURE_CHAT | EMPATHY_CONTACT_FEATURE_CALL | EMPATHY_CONTACT_FEATURE_LOG | EMPATHY_CONTACT_FEATURE_INFO)); gtk_container_add (GTK_CONTAINER (priv->scrolled_window_contacts), priv->contact_list_view); gtk_widget_show (priv->contact_list_view); gtk_widget_show (priv->scrolled_window_contacts); g_object_unref (store); } else { priv->contacts_width = gtk_paned_get_position (GTK_PANED (priv->hpaned)); gtk_widget_hide (priv->scrolled_window_contacts); if (priv->contact_list_view) { gtk_widget_destroy (priv->contact_list_view); priv->contact_list_view = NULL; } } } static void chat_remote_contact_changed_cb (EmpathyChat *chat) { EmpathyChatPriv *priv = GET_PRIV (chat); if (priv->remote_contact) { g_object_unref (priv->remote_contact); priv->remote_contact = NULL; } priv->remote_contact = empathy_tp_chat_get_remote_contact (priv->tp_chat); if (priv->remote_contact) { g_object_ref (priv->remote_contact); priv->handle_type = TP_HANDLE_TYPE_CONTACT; g_free (priv->id); priv->id = g_strdup (empathy_contact_get_id (priv->remote_contact)); } else if (priv->tp_chat) { TpChannel *channel; channel = empathy_tp_chat_get_channel (priv->tp_chat); g_object_get (channel, "handle-type", &priv->handle_type, NULL); g_free (priv->id); priv->id = g_strdup (empathy_tp_chat_get_id (priv->tp_chat)); } chat_set_show_contacts (chat, priv->remote_contact == NULL); g_object_notify (G_OBJECT (chat), "remote-contact"); g_object_notify (G_OBJECT (chat), "id"); } static void chat_destroy_cb (EmpathyTpChat *tp_chat, EmpathyChat *chat) { EmpathyChatPriv *priv; priv = GET_PRIV (chat); if (!priv->tp_chat) { return; } g_object_unref (priv->tp_chat); priv->tp_chat = NULL; g_object_notify (G_OBJECT (chat), "tp-chat"); empathy_chat_view_append_event (chat->view, _("Disconnected")); gtk_widget_set_sensitive (chat->input_text_view, FALSE); chat_set_show_contacts (chat, FALSE); } static void chat_create_ui (EmpathyChat *chat) { EmpathyChatPriv *priv = GET_PRIV (chat); GladeXML *glade; GList *list = NULL; gchar *filename; GtkTextBuffer *buffer; filename = empathy_file_lookup ("empathy-chat.glade", "libempathy-gtk"); glade = empathy_glade_get_file (filename, "chat_widget", NULL, "chat_widget", &priv->widget, "hpaned", &priv->hpaned, "vbox_left", &priv->vbox_left, "scrolled_window_chat", &priv->scrolled_window_chat, "scrolled_window_input", &priv->scrolled_window_input, "hbox_topic", &priv->hbox_topic, "label_topic", &priv->label_topic, "scrolled_window_contacts", &priv->scrolled_window_contacts, NULL); g_free (filename); g_object_unref (glade); /* Add message view. */ chat->view = empathy_theme_manager_create_view (empathy_theme_manager_get ()); g_signal_connect (chat->view, "focus_in_event", G_CALLBACK (chat_text_view_focus_in_event_cb), chat); gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat), GTK_WIDGET (chat->view)); gtk_widget_show (GTK_WIDGET (chat->view)); /* Add input GtkTextView */ chat->input_text_view = g_object_new (GTK_TYPE_TEXT_VIEW, "pixels-above-lines", 2, "pixels-below-lines", 2, "pixels-inside-wrap", 1, "right-margin", 2, "left-margin", 2, "wrap-mode", GTK_WRAP_WORD_CHAR, NULL); g_signal_connect (chat->input_text_view, "key-press-event", G_CALLBACK (chat_input_key_press_event_cb), chat); g_signal_connect (chat->input_text_view, "size-request", G_CALLBACK (chat_input_size_request_cb), chat); g_signal_connect (chat->input_text_view, "realize", G_CALLBACK (chat_input_realize_cb), chat); g_signal_connect (chat->input_text_view, "populate-popup", G_CALLBACK (chat_input_populate_popup_cb), chat); buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view)); g_signal_connect (buffer, "changed", G_CALLBACK (chat_input_text_buffer_changed_cb), chat); gtk_text_buffer_create_tag (buffer, "misspelled", "underline", PANGO_UNDERLINE_ERROR, NULL); gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input), chat->input_text_view); gtk_widget_show (chat->input_text_view); /* Create contact list */ chat_set_show_contacts (chat, priv->remote_contact == NULL); /* Initialy hide the topic, will be shown if not empty */ gtk_widget_hide (priv->hbox_topic); /* Set widget focus order */ list = g_list_append (NULL, priv->scrolled_window_input); gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list); g_list_free (list); list = g_list_append (NULL, priv->vbox_left); list = g_list_append (list, priv->scrolled_window_contacts); gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list); g_list_free (list); list = g_list_append (NULL, priv->hpaned); list = g_list_append (list, priv->hbox_topic); gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list); g_list_free (list); /* Add the main widget in the chat widget */ gtk_container_add (GTK_CONTAINER (chat), priv->widget); } static void chat_size_request (GtkWidget *widget, GtkRequisition *requisition) { GtkBin *bin = GTK_BIN (widget); requisition->width = GTK_CONTAINER (widget)->border_width * 2; requisition->height = GTK_CONTAINER (widget)->border_width * 2; if (bin->child && GTK_WIDGET_VISIBLE (bin->child)) { GtkRequisition child_requisition; gtk_widget_size_request (bin->child, &child_requisition); requisition->width += child_requisition.width; requisition->height += child_requisition.height; } } static void chat_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { GtkBin *bin = GTK_BIN (widget); GtkAllocation child_allocation; widget->allocation = *allocation; if (bin->child && GTK_WIDGET_VISIBLE (bin->child)) { child_allocation.x = allocation->x + GTK_CONTAINER (widget)->border_width; child_allocation.y = allocation->y + GTK_CONTAINER (widget)->border_width; child_allocation.width = MAX (allocation->width - GTK_CONTAINER (widget)->border_width * 2, 0); child_allocation.height = MAX (allocation->height - GTK_CONTAINER (widget)->border_width * 2, 0); gtk_widget_size_allocate (bin->child, &child_allocation); } } static void chat_finalize (GObject *object) { EmpathyChat *chat; EmpathyChatPriv *priv; chat = EMPATHY_CHAT (object); priv = GET_PRIV (chat); DEBUG ("Finalized: %p", object); g_slist_foreach (priv->sent_messages, (GFunc) g_free, NULL); g_slist_free (priv->sent_messages); g_list_foreach (priv->compositors, (GFunc) g_object_unref, NULL); g_list_free (priv->compositors); chat_composing_remove_timeout (chat); g_object_unref (priv->account_manager); g_object_unref (priv->log_manager); if (priv->tp_chat) { g_object_unref (priv->tp_chat); } if (priv->account) { g_object_unref (priv->account); } if (priv->remote_contact) { g_object_unref (priv->remote_contact); } if (priv->block_events_timeout_id) { g_source_remove (priv->block_events_timeout_id); } g_free (priv->id); g_free (priv->name); g_free (priv->subject); G_OBJECT_CLASS (empathy_chat_parent_class)->finalize (object); } static void chat_constructed (GObject *object) { EmpathyChat *chat = EMPATHY_CHAT (object); chat_create_ui (chat); chat_add_logs (chat); } static void empathy_chat_class_init (EmpathyChatClass *klass) { GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); GObjectClass *object_class = G_OBJECT_CLASS (klass); object_class->finalize = chat_finalize; object_class->get_property = chat_get_property; object_class->set_property = chat_set_property; object_class->constructed = chat_constructed; widget_class->size_request = chat_size_request; widget_class->size_allocate = chat_size_allocate; g_object_class_install_property (object_class, PROP_TP_CHAT, g_param_spec_object ("tp-chat", "Empathy tp chat", "The tp chat object", EMPATHY_TYPE_TP_CHAT, G_PARAM_CONSTRUCT | G_PARAM_READWRITE)); g_object_class_install_property (object_class, PROP_ACCOUNT, g_param_spec_object ("account", "Account of the chat", "The account of the chat", MC_TYPE_ACCOUNT, G_PARAM_READABLE)); g_object_class_install_property (object_class, PROP_ID, g_param_spec_string ("id", "Chat's id", "The id of the chat", NULL, G_PARAM_READABLE)); g_object_class_install_property (object_class, PROP_NAME, g_param_spec_string ("name", "Chat's name", "The name of the chat", NULL, G_PARAM_READABLE)); g_object_class_install_property (object_class, PROP_SUBJECT, g_param_spec_string ("subject", "Chat's subject", "The subject or topic of the chat", NULL, G_PARAM_READABLE)); g_object_class_install_property (object_class, PROP_REMOTE_CONTACT, g_param_spec_object ("remote-contact", "The remote contact", "The remote contact is any", EMPATHY_TYPE_CONTACT, G_PARAM_READABLE)); signals[COMPOSING] = g_signal_new ("composing", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__BOOLEAN, G_TYPE_NONE, 1, G_TYPE_BOOLEAN); signals[NEW_MESSAGE] = g_signal_new ("new-message", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__OBJECT, G_TYPE_NONE, 1, EMPATHY_TYPE_MESSAGE); g_type_class_add_private (object_class, sizeof (EmpathyChatPriv)); } static gboolean chat_block_events_timeout_cb (gpointer data) { EmpathyChatPriv *priv = GET_PRIV (data); priv->block_events_timeout_id = 0; return FALSE; } static void empathy_chat_init (EmpathyChat *chat) { EmpathyChatPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chat, EMPATHY_TYPE_CHAT, EmpathyChatPriv); chat->priv = priv; priv->log_manager = empathy_log_manager_new (); priv->contacts_width = -1; priv->sent_messages = NULL; priv->sent_messages_index = -1; priv->account_manager = empathy_account_manager_new (); g_signal_connect (priv->account_manager, "account-connection-changed", G_CALLBACK (chat_connection_changed_cb), chat); /* Block events for some time to avoid having "has come online" or * "joined" messages. */ priv->block_events_timeout_id = g_timeout_add_seconds (1, chat_block_events_timeout_cb, chat); /* Add nick name completion */ priv->completion = g_completion_new ((GCompletionFunc) empathy_contact_get_name); g_completion_set_compare (priv->completion, chat_contacts_completion_func); } EmpathyChat * empathy_chat_new (EmpathyTpChat *tp_chat) { return g_object_new (EMPATHY_TYPE_CHAT, "tp-chat", tp_chat, NULL); } EmpathyTpChat * empathy_chat_get_tp_chat (EmpathyChat *chat) { EmpathyChatPriv *priv = GET_PRIV (chat); g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL); return priv->tp_chat; } void empathy_chat_set_tp_chat (EmpathyChat *chat, EmpathyTpChat *tp_chat) { EmpathyChatPriv *priv = GET_PRIV (chat); g_return_if_fail (EMPATHY_IS_CHAT (chat)); g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat)); g_return_if_fail (empathy_tp_chat_is_ready (tp_chat)); if (priv->tp_chat) { return; } if (priv->account) { g_object_unref (priv->account); } priv->tp_chat = g_object_ref (tp_chat); priv->account = g_object_ref (empathy_tp_chat_get_account (tp_chat)); g_signal_connect (tp_chat, "message-received", G_CALLBACK (chat_message_received_cb), chat); g_signal_connect (tp_chat, "send-error", G_CALLBACK (chat_send_error_cb), chat); g_signal_connect (tp_chat, "chat-state-changed", G_CALLBACK (chat_state_changed_cb), chat); g_signal_connect (tp_chat, "property-changed", G_CALLBACK (chat_property_changed_cb), chat); g_signal_connect (tp_chat, "members-changed", G_CALLBACK (chat_members_changed_cb), chat); g_signal_connect_swapped (tp_chat, "notify::remote-contact", G_CALLBACK (chat_remote_contact_changed_cb), chat); g_signal_connect (tp_chat, "destroy", G_CALLBACK (chat_destroy_cb), chat); chat_remote_contact_changed_cb (chat); if (chat->input_text_view) { gtk_widget_set_sensitive (chat->input_text_view, TRUE); if (priv->block_events_timeout_id == 0) { empathy_chat_view_append_event (chat->view, _("Connected")); } } empathy_tp_chat_set_acknowledge (priv->tp_chat, TRUE); empathy_tp_chat_emit_pendings (priv->tp_chat); g_object_notify (G_OBJECT (chat), "tp-chat"); g_object_notify (G_OBJECT (chat), "id"); g_object_notify (G_OBJECT (chat), "account"); } McAccount * empathy_chat_get_account (EmpathyChat *chat) { EmpathyChatPriv *priv = GET_PRIV (chat); g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL); return priv->account; } const gchar * empathy_chat_get_id (EmpathyChat *chat) { EmpathyChatPriv *priv = GET_PRIV (chat); g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL); return priv->id; } const gchar * empathy_chat_get_name (EmpathyChat *chat) { EmpathyChatPriv *priv = GET_PRIV (chat); const gchar *ret; g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL); ret = priv->name; if (!ret && priv->remote_contact) { ret = empathy_contact_get_name (priv->remote_contact); } if (!ret) ret = priv->id; return ret ? ret : _("Conversation"); } const gchar * empathy_chat_get_subject (EmpathyChat *chat) { EmpathyChatPriv *priv = GET_PRIV (chat); g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL); return priv->subject; } EmpathyContact * empathy_chat_get_remote_contact (EmpathyChat *chat) { EmpathyChatPriv *priv = GET_PRIV (chat); g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL); return priv->remote_contact; } guint empathy_chat_get_members_count (EmpathyChat *chat) { EmpathyChatPriv *priv = GET_PRIV (chat); g_return_val_if_fail (EMPATHY_IS_CHAT (chat), 0); if (priv->tp_chat) { return empathy_tp_chat_get_members_count (priv->tp_chat); } return 0; } GtkWidget * empathy_chat_get_contact_menu (EmpathyChat *chat) { EmpathyChatPriv *priv = GET_PRIV (chat); GtkWidget *menu = NULL; g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL); if (priv->remote_contact) { menu = empathy_contact_menu_new (priv->remote_contact, EMPATHY_CONTACT_FEATURE_CALL | EMPATHY_CONTACT_FEATURE_LOG | EMPATHY_CONTACT_FEATURE_INFO); } else if (priv->contact_list_view) { EmpathyContactListView *view; view = EMPATHY_CONTACT_LIST_VIEW (priv->contact_list_view); menu = empathy_contact_list_view_get_contact_menu (view); } return menu; } void empathy_chat_clear (EmpathyChat *chat) { g_return_if_fail (EMPATHY_IS_CHAT (chat)); empathy_chat_view_clear (chat->view); } void empathy_chat_scroll_down (EmpathyChat *chat) { g_return_if_fail (EMPATHY_IS_CHAT (chat)); empathy_chat_view_scroll_down (chat->view); } void empathy_chat_cut (EmpathyChat *chat) { GtkTextBuffer *buffer; g_return_if_fail (EMPATHY_IS_CHAT (chat)); buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view)); if (gtk_text_buffer_get_has_selection (buffer)) { GtkClipboard *clipboard; clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD); gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE); } } void empathy_chat_copy (EmpathyChat *chat) { GtkTextBuffer *buffer; g_return_if_fail (EMPATHY_IS_CHAT (chat)); if (empathy_chat_view_get_has_selection (chat->view)) { empathy_chat_view_copy_clipboard (chat->view); return; } buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view)); if (gtk_text_buffer_get_has_selection (buffer)) { GtkClipboard *clipboard; clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD); gtk_text_buffer_copy_clipboard (buffer, clipboard); } } void empathy_chat_paste (EmpathyChat *chat) { GtkTextBuffer *buffer; GtkClipboard *clipboard; g_return_if_fail (EMPATHY_IS_CHAT (chat)); buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view)); clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD); gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE); } void empathy_chat_correct_word (EmpathyChat *chat, GtkTextIter *start, GtkTextIter *end, const gchar *new_word) { GtkTextBuffer *buffer; g_return_if_fail (chat != NULL); g_return_if_fail (new_word != NULL); buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (chat->input_text_view)); gtk_text_buffer_delete (buffer, start, end); gtk_text_buffer_insert (buffer, start, new_word, -1); } gboolean empathy_chat_is_room (EmpathyChat *chat) { EmpathyChatPriv *priv = GET_PRIV (chat); g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE); return (priv->handle_type == TP_HANDLE_TYPE_ROOM); }