/* font_utils.h
 * Declarations of utilities to use for font manipulation
 *
 * $Id$
 *
 * Ethereal - Network traffic analyzer
 * By Gerald Combs <gerald@ethereal.com>
 * Copyright 1998 Gerald Combs
 *
 * 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.
 */


/** @file
 * Utilities for font manipulation. 
 *
 * There are two different fonts used:
 * - the application font for menu's, dialog's and such
 * - the user font for the packet panes
 * 
 * The user font is also available in regular (m_r_font) and bold (m_b_font) versions,
 * see gtkglobals.h.
 */

#ifndef __FONT_UTILS_H__
#define __FONT_UTILS_H__

/** Init the application and user fonts at program start. */
extern void font_init(void);

/** Return value from font_apply() */
typedef enum {
	FA_SUCCESS,             /**< function succeeded */
	FA_FONT_NOT_RESIZEABLE, /**< the choosen font isn't resizable */
	FA_FONT_NOT_AVAILABLE   /**< the choosen font isn't available */
} fa_ret_t;

/** Applies a new user font, corresponding to the preferences font name and recent zoom level. 
 *  Will also redraw the screen.
 *
 * @return if the new font could be set or not
 */
extern fa_ret_t user_font_apply(void);

#ifdef _WIN32 
#if GTK_MAJOR_VERSION < 2
/** Init the application font (GTK1 only). 
 *
 * @param top_level_w the top level window
 */
extern void app_font_gtk1_init(GtkWidget *top_level_w);
#endif
#endif

/** Test, if the given font name is available.
 *
 * @param font_name the font to test
 * @return TRUE, if this font is available
 */
extern gboolean user_font_test(gchar *font_name);

/** Get the regular user font.
 *
 * @return the regular user font
 */
extern FONT_TYPE *user_font_get_regular(void);

/** Get the bold user font.
 *
 * @return the bold user font
 */
extern FONT_TYPE *user_font_get_bold(void);

#if GTK_MAJOR_VERSION < 2
/** Get the regular user font height.
 *
 * @return the regular user font height
 */
extern guint user_font_get_regular_height(void);

/** Get the regular user font width.
 *
 * @return the regular user font width
 */
extern guint user_font_get_regular_width(void);
#endif

#endif