Rename all filenames starting with "gossip" by "empathy", change namespace

2007-06-22 Xavier Claessens  <xclaesse@gmail.com>

	* libempathy/*.[ch]:
	* libempathy-gtk/*.[ch]:
	* src/*.[ch]: Rename all filenames starting with "gossip" by "empathy",
	change namespace of all gossip_*() functions to empathy_*().
	Fixes bug #444490 (Mario Danic, Xavier Claessens).


svn path=/trunk/; revision=170

1 files changed, 1561 insertions, 0 deletions

diff --git a/libempathy-gtk/empathy-chat.c b/libempathy-gtk/empathy-chat.c
new file mode 100644
index 000000000..0000e5d5a
--- /dev/null
+++ b/libempathy-gtk/empathy-chat.c
@@ -0,0 +1,1561 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Copyright (C) 2002-2007 Imendio AB
+ * Copyright (C) 2007 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 <micke@imendio.com>
+ *          Richard Hult <richard@imendio.com>
+ *          Martyn Russell <martyn@imendio.com>
+ *          Geert-Jan Van den Bogaerde <geertjan@gnome.org>
+ *          Xavier Claessens <xclaesse@gmail.com>
+ */
+
+#include "config.h"
+
+#include <string.h>
+#include <stdlib.h>
+
+#include <gdk/gdkkeysyms.h>
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+
+#include <libempathy/empathy-contact-manager.h>
+#include <libempathy/empathy-log-manager.h>
+#include <libempathy/empathy-debug.h>
+#include <libempathy/empathy-utils.h>
+#include <libempathy/empathy-conf.h>
+#include <libempathy/empathy-marshal.h>
+
+#include "empathy-chat.h"
+#include "empathy-chat-window.h"
+#include "empathy-geometry.h"
+#include "empathy-preferences.h"
+#include "empathy-spell.h"
+#include "empathy-spell-dialog.h"
+#include "empathy-ui-utils.h"
+
+#define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EMPATHY_TYPE_CHAT, EmpathyChatPriv))
+
+#define DEBUG_DOMAIN "Chat"
+
+#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
+
+struct _EmpathyChatPriv {
+	EmpathyContactManager *manager;
+	EmpathyLogManager     *log_manager;
+	EmpathyTpChat         *tp_chat;
+	EmpathyChatWindow      *window;
+	GtkTooltips           *tooltips;
+	guint                  composing_stop_timeout_id;
+	gboolean               sensitive;
+	gchar                 *id;
+	GSList                *sent_messages;
+	gint                   sent_messages_index;
+	GList                 *compositors;
+	guint                  scroll_idle_id;
+	gboolean               first_tp_chat;
+	EmpathyTime             time_joined;
+	/* Used to automatically shrink a window that has temporarily
+	 * grown due to long input. 
+	 */
+	gint                   padding_height;
+	gint                   default_window_height;
+	gint                   last_input_height;
+	gboolean               vscroll_visible;
+};
+
+typedef struct {
+	EmpathyChat  *chat;
+	gchar       *word;
+
+	GtkTextIter  start;
+	GtkTextIter  end;
+} EmpathyChatSpell;
+
+static void             empathy_chat_class_init            (EmpathyChatClass *klass);
+static void             empathy_chat_init                  (EmpathyChat      *chat);
+static void             chat_finalize                     (GObject         *object);
+static void             chat_destroy_cb                   (EmpathyTpChat   *tp_chat,
+							   EmpathyChat      *chat);
+static void             chat_send                         (EmpathyChat      *chat,
+							   const gchar     *msg);
+static void             chat_input_text_view_send         (EmpathyChat      *chat);
+static void             chat_message_received_cb          (EmpathyTpChat   *tp_chat,
+							   EmpathyMessage   *message,
+							   EmpathyChat      *chat);
+void                    chat_sent_message_add             (EmpathyChat      *chat,
+							   const gchar     *str);
+const gchar *           chat_sent_message_get_next        (EmpathyChat      *chat);
+const gchar *           chat_sent_message_get_last        (EmpathyChat      *chat);
+static gboolean         chat_input_key_press_event_cb     (GtkWidget       *widget,
+							   GdkEventKey     *event,
+							   EmpathyChat      *chat);
+static void             chat_input_text_buffer_changed_cb (GtkTextBuffer   *buffer,
+							   EmpathyChat      *chat);
+static gboolean         chat_text_view_focus_in_event_cb  (GtkWidget       *widget,
+							   GdkEvent        *event,
+							   EmpathyChat      *chat);
+static void             chat_text_view_scroll_hide_cb     (GtkWidget       *widget,
+							   EmpathyChat      *chat);
+static void             chat_text_view_size_allocate_cb   (GtkWidget       *widget,
+							   GtkAllocation   *allocation,
+							   EmpathyChat      *chat);
+static void             chat_text_view_realize_cb         (GtkWidget       *widget,
+							   EmpathyChat      *chat);
+static void             chat_text_populate_popup_cb       (GtkTextView     *view,
+							   GtkMenu         *menu,
+							   EmpathyChat      *chat);
+static void             chat_text_check_word_spelling_cb  (GtkMenuItem     *menuitem,
+							   EmpathyChatSpell *chat_spell);
+static EmpathyChatSpell *chat_spell_new                    (EmpathyChat      *chat,
+							   const gchar     *word,
+							   GtkTextIter      start,
+							   GtkTextIter      end);
+static void             chat_spell_free                   (EmpathyChatSpell *chat_spell);
+static void             chat_composing_start              (EmpathyChat      *chat);
+static void             chat_composing_stop               (EmpathyChat      *chat);
+static void             chat_composing_remove_timeout     (EmpathyChat      *chat);
+static gboolean         chat_composing_stop_timeout_cb    (EmpathyChat      *chat);
+static void             chat_state_changed_cb             (EmpathyTpChat   *tp_chat,
+							   EmpathyContact   *contact,
+							   TelepathyChannelChatState  state,
+							   EmpathyChat      *chat);
+static void             chat_add_logs                     (EmpathyChat      *chat);
+static gboolean         chat_scroll_down_idle_func        (EmpathyChat      *chat);
+
+enum {
+	COMPOSING,
+	NEW_MESSAGE,
+	NAME_CHANGED,
+	STATUS_CHANGED,
+	LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+G_DEFINE_TYPE (EmpathyChat, empathy_chat, G_TYPE_OBJECT);
+
+static void
+empathy_chat_class_init (EmpathyChatClass *klass)
+{
+	GObjectClass *object_class;
+
+	object_class = G_OBJECT_CLASS (klass);
+
+	object_class->finalize = chat_finalize;
+
+	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,
+			      empathy_marshal_VOID__OBJECT_BOOLEAN,
+			      G_TYPE_NONE,
+			      2, EMPATHY_TYPE_MESSAGE, G_TYPE_BOOLEAN);
+
+	signals[NAME_CHANGED] =
+		g_signal_new ("name-changed",
+			      G_OBJECT_CLASS_TYPE (object_class),
+			      G_SIGNAL_RUN_LAST,
+			      0,
+			      NULL, NULL,
+			      g_cclosure_marshal_VOID__POINTER,
+			      G_TYPE_NONE,
+			      1, G_TYPE_POINTER);
+
+	signals[STATUS_CHANGED] =
+		g_signal_new ("status-changed",
+			      G_OBJECT_CLASS_TYPE (object_class),
+			      G_SIGNAL_RUN_LAST,
+			      0,
+			      NULL, NULL,
+			      g_cclosure_marshal_VOID__VOID,
+			      G_TYPE_NONE,
+			      0);
+
+	g_type_class_add_private (object_class, sizeof (EmpathyChatPriv));
+}
+
+static void
+empathy_chat_init (EmpathyChat *chat)
+{
+	EmpathyChatPriv *priv;
+	GtkTextBuffer  *buffer;
+
+	chat->view = empathy_chat_view_new ();
+	chat->input_text_view = gtk_text_view_new ();
+
+	chat->is_first_char = TRUE;
+
+	g_object_set (chat->input_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);
+
+	priv = GET_PRIV (chat);
+
+	priv->manager = empathy_contact_manager_new ();
+	priv->log_manager = empathy_log_manager_new ();
+	priv->tooltips = g_object_ref_sink (gtk_tooltips_new ());
+	priv->default_window_height = -1;
+	priv->vscroll_visible = FALSE;
+	priv->sensitive = TRUE;
+	priv->sent_messages = NULL;
+	priv->sent_messages_index = -1;
+	priv->first_tp_chat = TRUE;
+
+	g_signal_connect (chat->input_text_view,
+			  "key_press_event",
+			  G_CALLBACK (chat_input_key_press_event_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);
+	g_signal_connect (chat->view,
+			  "focus_in_event",
+			  G_CALLBACK (chat_text_view_focus_in_event_cb),
+			  chat);
+
+	g_signal_connect (chat->input_text_view,
+			  "size_allocate",
+			  G_CALLBACK (chat_text_view_size_allocate_cb),
+			  chat);
+
+	g_signal_connect (chat->input_text_view,
+			  "realize",
+			  G_CALLBACK (chat_text_view_realize_cb),
+			  chat);
+
+	g_signal_connect (GTK_TEXT_VIEW (chat->input_text_view),
+			  "populate_popup",
+			  G_CALLBACK (chat_text_populate_popup_cb),
+			  chat);
+
+	/* create misspelt words identification tag */
+	gtk_text_buffer_create_tag (buffer,
+				    "misspelled",
+				    "underline", PANGO_UNDERLINE_ERROR,
+				    NULL);
+}
+
+static void
+chat_finalize (GObject *object)
+{
+	EmpathyChat     *chat;
+	EmpathyChatPriv *priv;
+
+	chat = EMPATHY_CHAT (object);
+	priv = GET_PRIV (chat);
+
+	empathy_debug (DEBUG_DOMAIN, "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 (chat->account);
+	g_object_unref (priv->manager);
+	g_object_unref (priv->log_manager);
+	g_object_unref (priv->tooltips);
+
+	if (priv->tp_chat) {
+		g_object_unref (priv->tp_chat);
+	}
+
+	if (priv->scroll_idle_id) {
+		g_source_remove (priv->scroll_idle_id);
+	}
+
+	g_free (priv->id);
+
+	G_OBJECT_CLASS (empathy_chat_parent_class)->finalize (object);
+}
+
+static void
+chat_destroy_cb (EmpathyTpChat *tp_chat,
+		 EmpathyChat    *chat)
+{
+	EmpathyChatPriv *priv;
+
+	priv = GET_PRIV (chat);
+
+	if (priv->tp_chat) {
+		g_object_unref (priv->tp_chat);
+		priv->tp_chat = NULL;
+	}
+	priv->sensitive = FALSE;
+
+	empathy_chat_view_append_event (chat->view, _("Disconnected"));
+	gtk_widget_set_sensitive (chat->input_text_view, FALSE);
+
+	if (EMPATHY_CHAT_GET_CLASS (chat)->set_tp_chat) {
+		EMPATHY_CHAT_GET_CLASS (chat)->set_tp_chat (chat, NULL);
+	}
+}
+
+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;
+	}
+
+	/* FIXME: add here something to let group/privrate chat handle
+	 *        some special messages */
+
+	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);
+
+	chat->is_first_char = TRUE;
+}
+
+static void
+chat_message_received_cb (EmpathyTpChat *tp_chat,
+			  EmpathyMessage *message,
+			  EmpathyChat    *chat)
+{
+	EmpathyChatPriv *priv;
+	EmpathyContact  *sender;
+	EmpathyTime      timestamp;
+
+	priv = GET_PRIV (chat);
+
+	sender = empathy_message_get_sender (message);
+	empathy_debug (DEBUG_DOMAIN, "Appending message ('%s')",
+		      empathy_contact_get_name (sender));
+
+	/* Log the message only if it's not backlog */
+	timestamp = empathy_message_get_timestamp (message);
+	if (timestamp >= priv->time_joined) {
+		empathy_log_manager_add_message (priv->log_manager,
+						 empathy_chat_get_id (chat),
+						 empathy_chat_is_group_chat (chat),
+						 message);
+	}
+
+	empathy_chat_view_append_message (chat->view, message);
+
+	if (empathy_chat_should_play_sound (chat)) {
+		// FIXME: empathy_sound_play (EMPATHY_SOUND_CHAT);
+	}
+
+	g_signal_emit (chat, signals[NEW_MESSAGE], 0, message, FALSE);
+}
+
+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;
+}
+
+const gchar *
+chat_sent_message_get_next (EmpathyChat *chat)
+{
+	EmpathyChatPriv *priv;
+	gint            max;
+	
+	priv = GET_PRIV (chat);
+
+	if (!priv->sent_messages) {
+		empathy_debug (DEBUG_DOMAIN, 
+			      "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++;
+	}
+	
+	empathy_debug (DEBUG_DOMAIN, 
+		      "Returning next message index:%d",
+		      priv->sent_messages_index);
+
+	return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
+}
+
+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) {
+		empathy_debug (DEBUG_DOMAIN, 
+			      "No sent messages, last message is NULL");
+		return NULL;
+	}
+
+	if (priv->sent_messages_index >= 0) {
+		priv->sent_messages_index--;
+	}
+
+	empathy_debug (DEBUG_DOMAIN, 
+		      "Returning last message index:%d",
+		      priv->sent_messages_index);
+
+	return g_slist_nth_data (priv->sent_messages, priv->sent_messages_index);
+}
+
+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);
+
+	if (event->keyval == GDK_Tab && !(event->state & GDK_CONTROL_MASK)) {
+		return TRUE;
+	}
+
+	/* 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-enter. */
+		return FALSE;
+	}
+	else if ((event->state & GDK_CONTROL_MASK) != 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;
+	}
+	else 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;
+	}
+
+	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 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);
+
+	if (chat->is_first_char) {
+		GtkRequisition  req;
+		gint            window_height;
+		GtkWidget      *dialog;
+		GtkAllocation  *allocation;
+
+		/* Save the window's size */
+		dialog = empathy_chat_window_get_dialog (priv->window);
+		gtk_window_get_size (GTK_WINDOW (dialog),
+				     NULL, &window_height);
+
+		gtk_widget_size_request (chat->input_text_view, &req);
+
+		allocation = &GTK_WIDGET (chat->view)->allocation;
+
+		priv->default_window_height = window_height;
+		priv->last_input_height = req.height;
+		priv->padding_height = window_height - req.height - allocation->height;
+
+		chat->is_first_char = FALSE;
+	}
+
+	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 (!empathy_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;
+	}
+}
+
+typedef struct {
+	GtkWidget *window;
+	gint       width;
+	gint       height;
+} ChangeSizeData;
+
+static gboolean
+chat_change_size_in_idle_cb (ChangeSizeData *data)
+{
+	gtk_window_resize (GTK_WINDOW (data->window),
+			   data->width, data->height);
+
+	return FALSE;
+}
+
+static void
+chat_text_view_scroll_hide_cb (GtkWidget  *widget,
+			       EmpathyChat *chat)
+{
+	EmpathyChatPriv *priv;
+	GtkWidget      *sw;
+
+	priv = GET_PRIV (chat);
+
+	priv->vscroll_visible = FALSE;
+	g_signal_handlers_disconnect_by_func (widget, chat_text_view_scroll_hide_cb, chat);
+
+	sw = gtk_widget_get_parent (chat->input_text_view);
+	gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
+					GTK_POLICY_NEVER,
+					GTK_POLICY_NEVER);
+	g_object_set (sw, "height-request", -1, NULL);
+}
+
+static void
+chat_text_view_size_allocate_cb (GtkWidget     *widget,
+				 GtkAllocation *allocation,
+				 EmpathyChat    *chat)
+{
+	EmpathyChatPriv *priv;
+	gint            width;
+	GtkWidget      *dialog;
+	ChangeSizeData *data;
+	gint            window_height;
+	gint            new_height;
+	GtkAllocation  *view_allocation;
+	gint            current_height;
+	gint            diff;
+	GtkWidget      *sw;
+
+	priv = GET_PRIV (chat);
+
+	if (priv->default_window_height <= 0) {
+		return;
+	}
+
+	sw = gtk_widget_get_parent (widget);
+	if (sw->allocation.height >= MAX_INPUT_HEIGHT && !priv->vscroll_visible) {
+		GtkWidget *vscroll;
+
+		priv->vscroll_visible = TRUE;
+		gtk_widget_set_size_request (sw, sw->allocation.width, MAX_INPUT_HEIGHT);
+		gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
+						GTK_POLICY_NEVER,
+						GTK_POLICY_AUTOMATIC);
+		vscroll = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (sw));
+		g_signal_connect (vscroll, "hide",
+				  G_CALLBACK (chat_text_view_scroll_hide_cb),
+				  chat);
+	}
+
+	if (priv->last_input_height <= allocation->height) {
+		priv->last_input_height = allocation->height;
+		return;
+	}
+
+	diff = priv->last_input_height - allocation->height;
+	priv->last_input_height = allocation->height;
+
+	view_allocation = &GTK_WIDGET (chat->view)->allocation;
+
+	dialog = empathy_chat_window_get_dialog (priv->window);
+	gtk_window_get_size (GTK_WINDOW (dialog), NULL, &current_height);
+
+	new_height = view_allocation->height + priv->padding_height + allocation->height - diff;
+
+	if (new_height <= priv->default_window_height) {
+		window_height = priv->default_window_height;
+	} else {
+		window_height = new_height;
+	}
+
+	if (current_height <= window_height) {
+		return;
+	}
+
+	/* Restore the window's size */
+	gtk_window_get_size (GTK_WINDOW (dialog), &width, NULL);
+
+	data = g_new0 (ChangeSizeData, 1);
+	data->window = dialog;
+	data->width  = width;
+	data->height = window_height;
+
+	g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
+			 (GSourceFunc) chat_change_size_in_idle_cb,
+			 data, g_free);
+}
+
+static void
+chat_text_view_realize_cb (GtkWidget  *widget,
+			   EmpathyChat *chat)
+{
+	empathy_debug (DEBUG_DOMAIN, "Setting focus to the input text view");
+	gtk_widget_grab_focus (widget);
+}
+
+static void
+chat_insert_smiley_activate_cb (GtkWidget  *menuitem,
+				EmpathyChat *chat)
+{
+	GtkTextBuffer *buffer;
+	GtkTextIter    iter;
+	const gchar   *smiley;
+
+	smiley = g_object_get_data (G_OBJECT (menuitem), "smiley_text");
+
+	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, -1);
+
+	gtk_text_buffer_get_end_iter (buffer, &iter);
+	gtk_text_buffer_insert (buffer, &iter, " ", -1);
+}
+
+static void
+chat_text_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;
+	GtkWidget       *smiley_menu;
+
+	priv = GET_PRIV (chat);
+
+	/* 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_menu_item_new_with_mnemonic (_("Insert Smiley"));
+	gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
+	gtk_widget_show (item);
+
+	smiley_menu = empathy_chat_view_get_smiley_menu (
+		G_CALLBACK (chat_insert_smiley_activate_cb),
+		chat,
+		priv->tooltips);
+	gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), smiley_menu);
+
+	/* Add the spell check menu item. */
+	buffer = gtk_text_view_get_buffer (view);
+	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)) {
+		return;
+	}
+
+	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_menu_item_new_with_mnemonic (_("_Check Word Spelling..."));
+	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_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 EmpathyChatSpell *
+chat_spell_new (EmpathyChat  *chat,
+		const gchar *word,
+		GtkTextIter  start,
+		GtkTextIter  end)
+{
+	EmpathyChatSpell *chat_spell;
+
+	chat_spell = g_new0 (EmpathyChatSpell, 1);
+
+	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_free (chat_spell);
+}
+
+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 (
+		1000 * 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_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_state_changed_cb (EmpathyTpChat             *tp_chat,
+		       EmpathyContact             *contact,
+		       TelepathyChannelChatState  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 (empathy_contact_equal (contact, l->data)) {
+			break;
+		}
+	}
+
+	switch (state) {
+	case TP_CHANNEL_CHAT_STATE_GONE:
+	case TP_CHANNEL_CHAT_STATE_INACTIVE:
+	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_PAUSED:
+	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 ();
+	}
+
+	empathy_debug (DEBUG_DOMAIN, "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_add_logs (EmpathyChat *chat)
+{
+	EmpathyChatPriv *priv;
+	GList          *messages, *l;
+	guint           num_messages;
+	guint           i;
+
+	priv = GET_PRIV (chat);
+
+	/* Do not display backlog for chatrooms */
+	if (empathy_chat_is_group_chat (chat)) {
+		return;
+	}
+
+	/* Turn off scrolling temporarily */
+	empathy_chat_view_scroll (chat->view, FALSE);
+
+	/* Add messages from last conversation */
+	messages = empathy_log_manager_get_last_messages (priv->log_manager,
+							  chat->account,
+							  empathy_chat_get_id (chat),
+							  empathy_chat_is_group_chat (chat));
+	num_messages  = g_list_length (messages);
+
+	for (l = messages, i = 0; l; l = l->next, i++) {
+		EmpathyMessage *message;
+
+		message = l->data;
+
+		/* Only add 10 last messages */
+		if (num_messages - i > 10) {
+			g_object_unref (message);
+			continue;
+		}
+
+
+		empathy_chat_view_append_message (chat->view, message);
+		g_object_unref (message);
+	}
+	g_list_free (messages);
+
+	/* Turn back on scrolling */
+	empathy_chat_view_scroll (chat->view, TRUE);
+
+	/* Scroll to the most recent messages, we reference the chat
+	 * for the duration of the scroll func.
+	 */
+	priv->scroll_idle_id = g_idle_add ((GSourceFunc) chat_scroll_down_idle_func, 
+					   g_object_ref (chat));
+}
+
+/* Scroll down after the back-log has been received. */
+static gboolean
+chat_scroll_down_idle_func (EmpathyChat *chat)
+{
+	EmpathyChatPriv *priv;
+
+	priv = GET_PRIV (chat);
+
+	empathy_chat_scroll_down (chat);
+	g_object_unref (chat);
+
+	priv->scroll_idle_id = 0;
+
+	return FALSE;
+}
+
+gboolean
+empathy_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;
+}
+
+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);
+}
+
+const gchar *
+empathy_chat_get_name (EmpathyChat *chat)
+{
+	g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
+
+	if (EMPATHY_CHAT_GET_CLASS (chat)->get_name) {
+		return EMPATHY_CHAT_GET_CLASS (chat)->get_name (chat);
+	}
+
+	return NULL;
+}
+
+gchar *
+empathy_chat_get_tooltip (EmpathyChat *chat)
+{
+	g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
+
+	if (EMPATHY_CHAT_GET_CLASS (chat)->get_tooltip) {
+		return EMPATHY_CHAT_GET_CLASS (chat)->get_tooltip (chat);
+	}
+
+	return NULL;
+}
+
+const gchar *
+empathy_chat_get_status_icon_name (EmpathyChat *chat)
+{
+	g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
+
+	if (EMPATHY_CHAT_GET_CLASS (chat)->get_status_icon_name) {
+		return EMPATHY_CHAT_GET_CLASS (chat)->get_status_icon_name (chat);
+	}
+
+	return NULL;
+}
+
+GtkWidget *
+empathy_chat_get_widget (EmpathyChat *chat)
+{
+	g_return_val_if_fail (EMPATHY_IS_CHAT (chat), NULL);
+
+	if (EMPATHY_CHAT_GET_CLASS (chat)->get_widget) {
+		return EMPATHY_CHAT_GET_CLASS (chat)->get_widget (chat);
+	}
+
+	return NULL;
+}
+
+gboolean
+empathy_chat_is_group_chat (EmpathyChat *chat)
+{
+	g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
+
+	if (EMPATHY_CHAT_GET_CLASS (chat)->is_group_chat) {
+		return EMPATHY_CHAT_GET_CLASS (chat)->is_group_chat (chat);
+	}
+
+	return FALSE;
+}
+
+gboolean 
+empathy_chat_is_connected (EmpathyChat *chat)
+{
+	EmpathyChatPriv *priv;
+
+	g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
+
+	priv = GET_PRIV (chat);
+
+	return (priv->tp_chat != NULL);
+}
+
+void
+empathy_chat_save_geometry (EmpathyChat *chat,
+			   gint        x,
+			   gint        y,
+			   gint        w,
+			   gint        h)
+{
+	empathy_geometry_save (empathy_chat_get_id (chat), x, y, w, h);
+}
+
+void
+empathy_chat_load_geometry (EmpathyChat *chat,
+			   gint       *x,
+			   gint       *y,
+			   gint       *w,
+			   gint       *h)
+{
+	empathy_geometry_load (empathy_chat_get_id (chat), x, y, w, h);
+}
+
+void
+empathy_chat_set_tp_chat (EmpathyChat    *chat,
+			 EmpathyTpChat *tp_chat)
+{
+	EmpathyChatPriv *priv;
+
+	g_return_if_fail (EMPATHY_IS_CHAT (chat));
+	g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
+
+	priv = GET_PRIV (chat);
+
+	if (tp_chat == priv->tp_chat) {
+		return;
+	}
+
+	if (priv->tp_chat) {
+		g_signal_handlers_disconnect_by_func (priv->tp_chat,
+						      chat_message_received_cb,
+						      chat);
+		g_signal_handlers_disconnect_by_func (priv->tp_chat,
+						      chat_destroy_cb,
+						      chat);
+		g_object_unref (priv->tp_chat);
+	}
+
+	g_free (priv->id);
+	priv->tp_chat = g_object_ref (tp_chat);
+	priv->id = g_strdup (empathy_tp_chat_get_id (tp_chat));
+	priv->time_joined = empathy_time_get_current ();
+
+	if (priv->first_tp_chat) {
+		chat_add_logs (chat);
+		priv->first_tp_chat = FALSE;
+	}
+
+	g_signal_connect (tp_chat, "message-received",
+			  G_CALLBACK (chat_message_received_cb),
+			  chat);
+	g_signal_connect (tp_chat, "chat-state-changed",
+			  G_CALLBACK (chat_state_changed_cb),
+			  chat);
+	g_signal_connect (tp_chat, "destroy",
+			  G_CALLBACK (chat_destroy_cb),
+			  chat);
+
+	empathy_tp_chat_request_pending (tp_chat);
+
+	if (!priv->sensitive) {
+		gtk_widget_set_sensitive (chat->input_text_view, TRUE);
+		empathy_chat_view_append_event (chat->view, _("Connected"));
+		priv->sensitive = TRUE;
+	}
+
+	if (EMPATHY_CHAT_GET_CLASS (chat)->set_tp_chat) {
+		EMPATHY_CHAT_GET_CLASS (chat)->set_tp_chat (chat, tp_chat);
+	}
+
+}
+
+const gchar *
+empathy_chat_get_id (EmpathyChat *chat)
+{
+	EmpathyChatPriv *priv;
+
+	priv = GET_PRIV (chat);
+
+	return priv->id;
+}
+
+void
+empathy_chat_clear (EmpathyChat *chat)
+{
+	g_return_if_fail (EMPATHY_IS_CHAT (chat));
+
+	empathy_chat_view_clear (chat->view);
+}
+
+void
+empathy_chat_set_window (EmpathyChat       *chat,
+			EmpathyChatWindow *window)
+{
+	EmpathyChatPriv *priv;
+
+	priv = GET_PRIV (chat);
+	priv->window = window;
+}
+
+EmpathyChatWindow *
+empathy_chat_get_window (EmpathyChat *chat)
+{
+	EmpathyChatPriv *priv;
+
+	priv = GET_PRIV (chat);
+
+	return priv->window;
+}
+
+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_selection_bounds (buffer, NULL, NULL)) {
+		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_selection_bounds (chat->view, NULL, NULL)) {
+		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_selection_bounds (buffer, NULL, NULL)) {
+		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_present (EmpathyChat *chat)
+{
+	EmpathyChatPriv *priv;
+
+	g_return_if_fail (EMPATHY_IS_CHAT (chat));
+
+	priv = GET_PRIV (chat);
+
+	if (priv->window == NULL) {
+		EmpathyChatWindow *window;
+
+		window = empathy_chat_window_get_default ();
+		if (!window) {
+			window = empathy_chat_window_new ();
+		}
+
+		empathy_chat_window_add_chat (window, chat);
+	}
+
+	empathy_chat_window_switch_to_chat (priv->window, chat);
+	empathy_window_present (
+		GTK_WINDOW (empathy_chat_window_get_dialog (priv->window)),
+		TRUE);
+
+ 	gtk_widget_grab_focus (chat->input_text_view); 
+}
+
+gboolean
+empathy_chat_should_play_sound (EmpathyChat *chat)
+{
+	EmpathyChatWindow *window;
+	gboolean          play = TRUE;
+
+	g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
+
+	window = empathy_chat_get_window (chat);
+	if (!window) {
+		return TRUE;
+	}
+
+	play = !empathy_chat_window_has_focus (window);
+
+	return play;
+}
+
+gboolean
+empathy_chat_should_highlight_nick (EmpathyMessage *message)
+{
+	EmpathyContact *contact;
+	const gchar   *msg, *to;
+	gchar         *cf_msg, *cf_to;
+	gchar         *ch;
+	gboolean       ret_val;
+
+	g_return_val_if_fail (EMPATHY_IS_MESSAGE (message), FALSE);
+
+	empathy_debug (DEBUG_DOMAIN, "Highlighting nickname");
+
+	ret_val = FALSE;
+
+	msg = empathy_message_get_body (message);
+	if (!msg) {
+		return FALSE;
+	}
+
+	contact = empathy_message_get_receiver (message);
+	if (!contact || !empathy_contact_is_user (contact)) {
+		return FALSE;
+	}
+
+	to = empathy_contact_get_name (contact);
+	if (!to) {
+		return FALSE;
+	}
+
+	cf_msg = g_utf8_casefold (msg, -1);
+	cf_to = g_utf8_casefold (to, -1);
+
+	ch = strstr (cf_msg, cf_to);
+	if (ch == NULL) {
+		goto finished;
+	}
+
+	if (ch != cf_msg) {
+		/* Not first in the message */
+		if ((*(ch - 1) != ' ') &&
+		    (*(ch - 1) != ',') &&
+		    (*(ch - 1) != '.')) {
+			goto finished;
+		}
+	}
+
+	ch = ch + strlen (cf_to);
+	if (ch >= cf_msg + strlen (cf_msg)) {
+		ret_val = TRUE;
+		goto finished;
+	}
+
+	if ((*ch == ' ') ||
+	    (*ch == ',') ||
+	    (*ch == '.') ||
+	    (*ch == ':')) {
+		ret_val = TRUE;
+		goto finished;
+	}
+
+finished:
+	g_free (cf_msg);
+	g_free (cf_to);
+
+	return ret_val;
+}
+