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/* GTK - The GIMP Toolkit
 * Copyright (C) 2000 Red Hat, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
#ifndef __GTK_SETTINGS_H__
#define __GTK_SETTINGS_H__

#include	<gtk/gtkrc.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */


/* -- type macros --- */
#define GTK_TYPE_SETTINGS            (gtk_settings_get_type ())
#define GTK_SETTINGS(obj)            (GTK_CHECK_CAST ((obj), GTK_TYPE_SETTINGS, GtkSettings))
#define GTK_SETTINGS_CLASS(klass)    (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_SETTINGS, GtkSettingsClass))
#define GTK_IS_SETTINGS(obj)         (GTK_CHECK_TYPE ((obj), GTK_TYPE_SETTINGS))
#define GTK_IS_SETTINGS_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_SETTINGS))
#define GTK_SETTINGS_GET_CLASS(obj)  (GTK_CHECK_GET_CLASS ((obj), GTK_TYPE_SETTINGS, GtkSettingsClass))


/* --- typedefs --- */
typedef struct    _GtkSettings      GtkSettings;
typedef struct    _GtkSettingsClass GtkSettingsClass;
typedef struct    _GtkSettingsValue GtkSettingsValue;


/* --- structures --- */
struct _GtkSettings
{
  GObject parent_instance;

  GData  *queued_settings;	/* of type GtkSettingsValue* */
  GValue *property_values;
};
struct _GtkSettingsClass
{
  GObjectClass parent_class;
  
};
struct _GtkSettingsValue
{
  /* origin should be something like "filename:linenumber" for rc files,
   * or e.g. "XProperty" for other sources
   */
  gchar *origin;

  /* valid types are LONG, DOUBLE and STRING corresponding to the token parsed,
   * or a GSTRING holding an unparsed statement
   */
  GValue value;
};


/* --- functions --- */
GType		gtk_settings_get_type		     (void);
GtkSettings*	gtk_settings_get_global		     (void);	/* singleton */
void		gtk_settings_install_property	     (GtkSettings	 *settings,
						      GParamSpec         *pspec);
void		gtk_settings_install_property_parser (GtkSettings        *settings,
						      GParamSpec         *pspec,
						      GtkRcPropertyParser parser);

/* --- precoded parsing functions --- */
gboolean gtk_rc_property_parse_color       (const GParamSpec *pspec,
					    const GString    *gstring,
					    GValue           *property_value);
gboolean gtk_rc_property_parse_enum        (const GParamSpec *pspec,
					    const GString    *gstring,
					    GValue           *property_value);
gboolean gtk_rc_property_parse_flags       (const GParamSpec *pspec,
					    const GString    *gstring,
					    GValue           *property_value);
gboolean gtk_rc_property_parse_requisition (const GParamSpec *pspec,
					    const GString    *gstring,
					    GValue           *property_value);
gboolean gtk_rc_property_parse_border      (const GParamSpec *pspec,
					    const GString    *gstring,
					    GValue           *property_value);

/*< private >*/
void		gtk_settings_set_property_value	 (GtkSettings	*settings,
						  const gchar	*name,
						  const GtkSettingsValue *svalue);
void		gtk_settings_set_string_property (GtkSettings	*settings,
						  const gchar	*name,
						  const gchar	*v_string,
						  const gchar   *origin);
void		gtk_settings_set_long_property	 (GtkSettings	*settings,
						  const gchar	*name,
						  glong		 v_long,
						  const gchar   *origin);
void		gtk_settings_set_double_property (GtkSettings	*settings,
						  const gchar	*name,
						  gdouble	 v_double,
						  const gchar   *origin);

void            _gtk_settings_handle_event       (GdkEventSetting *event);

GtkRcPropertyParser _gtk_rc_property_parser_for_type (GType type);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* __GTK_SETTINGS_H__ */