/* -*- 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., 51 Franklin St, Fifth Floor,
 * Boston, MA  02110-1301  USA
 *
 * Authors: Mikael Hallendal <micke@imendio.com>
 *          Richard Hult <richard@imendio.com>
 *          Martyn Russell <martyn@imendio.com>
 *          Xavier Claessens <xclaesse@gmail.com>
 *          Jonny Lamb <jonny.lamb@collabora.co.uk>
 *
 *          Part of this file is copied from GtkSourceView (gtksourceiter.c):
 *          Paolo Maggi
 *          Jeroen Zwartepoorte
 */

#ifndef __EMPATHY_UI_UTILS_H__
#define __EMPATHY_UI_UTILS_H__

#include <gtk/gtk.h>

#include <libempathy/empathy-contact.h>
#include <libempathy/empathy-ft-handler.h>

#include "empathy-chat-view.h"

G_BEGIN_DECLS

#define EMPATHY_RECT_IS_ON_SCREEN(x,y,w,h) ((x) + (w) > 0 && \
					    (y) + (h) > 0 && \
					    (x) < gdk_screen_width () && \
					    (y) < gdk_screen_height ())

void            empathy_gtk_init                        (void);
GRegex *        empathy_uri_regex_dup_singleton         (void);

/* Glade */
GtkBuilder *    empathy_builder_get_file                (const gchar      *filename,
							 const gchar      *first_object,
							 ...);
void            empathy_builder_connect                 (GtkBuilder       *gui,
							 gpointer          user_data,
							 gchar            *first_object,
							 ...);
GtkWidget     *empathy_builder_unref_and_keep_widget    (GtkBuilder       *gui,
							 GtkWidget        *root);

/* Pixbufs */
const gchar * empathy_icon_name_for_presence            (TpConnectionPresenceType  presence);
const gchar * empathy_icon_name_for_contact             (EmpathyContact   *contact);
GdkPixbuf *   empathy_pixbuf_from_data                  (gchar            *data,
							 gsize             data_size);
GdkPixbuf *   empathy_pixbuf_from_data_and_mime         (gchar            *data,
							 gsize             data_size,
							 gchar           **mime_type);
GdkPixbuf *   empathy_pixbuf_from_avatar_scaled         (EmpathyAvatar    *avatar,
							 gint              width,
							 gint              height);
GdkPixbuf *   empathy_pixbuf_avatar_from_contact_scaled (EmpathyContact   *contact,
							 gint              width,
							 gint              height);
GdkPixbuf *   empathy_pixbuf_scale_down_if_necessary    (GdkPixbuf        *pixbuf,
							 gint              max_size);
GdkPixbuf *   empathy_pixbuf_from_icon_name             (const gchar      *icon_name,
							 GtkIconSize       icon_size);
GdkPixbuf *   empathy_pixbuf_from_icon_name_sized       (const gchar      *icon_name,
							 gint              size);
gchar *       empathy_filename_from_icon_name           (const gchar      *icon_name,
							 GtkIconSize       icon_size);

/* Text view */
gboolean    empathy_text_iter_forward_search            (const GtkTextIter*iter,
							 const gchar      *str,
							 GtkTextIter      *match_start,
							 GtkTextIter      *match_end,
							 const GtkTextIter*limit);
gboolean    empathy_text_iter_backward_search           (const GtkTextIter*iter,
							 const gchar      *str,
							 GtkTextIter      *match_start,
							 GtkTextIter      *match_end,
							 const GtkTextIter*limit);
/* Windows */
gboolean    empathy_window_get_is_visible               (GtkWindow        *window);
void        empathy_window_present                      (GtkWindow        *window,
							 gboolean          steal_focus);
void        empathy_window_iconify                      (GtkWindow        *window,
							 GtkStatusIcon    *status_icon);
GtkWindow * empathy_get_toplevel_window                 (GtkWidget        *widget);
void        empathy_url_show                            (GtkWidget        *parent,
							 const char       *url);
void        empathy_toggle_button_set_state_quietly     (GtkWidget        *widget,
							 GCallback         callback,
							 gpointer          user_data,
							 gboolean          active);
GtkWidget * empathy_link_button_new                     (const gchar      *url,
							 const gchar      *title);

void        empathy_send_file_with_file_chooser         (EmpathyContact   *contact);
void        empathy_receive_file_with_file_chooser      (EmpathyFTHandler *handler);

gchar *     empathy_make_absolute_url                   (const gchar *url);
gchar *     empathy_make_absolute_url_len               (const gchar *url,
							 guint len);

/* String parser */

typedef struct _EmpathyStringParser EmpathyStringParser;

typedef void (*EmpathyStringReplace) (GString *string,
				      const gchar *text,
				      gssize len,
				      gpointer user_data);
typedef void (*EmpathyStringMatch) (GString *string,
				    const gchar *text,
				    gssize len,
				    EmpathyStringReplace replace_func,
				    EmpathyStringParser *sub_parsers);

struct _EmpathyStringParser {
	EmpathyStringMatch match_func;
	EmpathyStringReplace replace_func;
};

void
empathy_string_parser_substr (GString *string,
			      const gchar *text,
			      gssize len,
			      EmpathyStringParser *parsers);

void
empathy_string_match_link (GString *string,
			   const gchar *text,
			   gssize len,
			   EmpathyStringReplace replace_func,
			   EmpathyStringParser *sub_parsers);

void
empathy_string_match_smiley (GString *string,
			     const gchar *text,
			     gssize len,
			     EmpathyStringReplace replace_func,
			     EmpathyStringParser *sub_parsers);

void
empathy_string_match_escape (GString *string,
			     const gchar *text,
			     gssize len,
			     EmpathyStringReplace replace_func,
			     EmpathyStringParser *sub_parsers);

G_END_DECLS

#endif /*  __EMPATHY_UI_UTILS_H__ */