/* 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__

#if defined(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)

#error "Only <gtk/gtk.h> can be included directly."

#endif

#include <gtk/gtkrc.h>

G_BEGIN_DECLS

/* -- type macros --- */

#define GTK_TYPE_SETTINGS             (gtk_settings_get_type ())

#define GTK_SETTINGS(obj)             (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_SETTINGS, GtkSettings))

#define GTK_SETTINGS_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_SETTINGS, GtkSettingsClass))

#define GTK_IS_SETTINGS(obj)          (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_SETTINGS))

#define GTK_IS_SETTINGS_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_SETTINGS))

#define GTK_SETTINGS_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_SETTINGS, GtkSettingsClass))

/* --- typedefs --- */

typedef struct    _GtkSettingsClass GtkSettingsClass;

typedef struct    _GtkSettingsValue GtkSettingsValue;

typedef struct    _GtkSettingsPropertyValue GtkSettingsPropertyValue; /* Internal */

/* --- structures --- */

struct _GtkSettings

{

  GObject parent_instance;

  GData  *GSEAL (queued_settings);	/* of type GtkSettingsValue* */

  GtkSettingsPropertyValue *GSEAL (property_values);

  GtkRcContext *GSEAL (rc_context);

  GdkScreen    *GSEAL (screen);

};

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) G_GNUC_CONST;

#ifndef GDK_MULTIHEAD_SAFE

GtkSettings*	gtk_settings_get_default	     (void);

#endif

GtkSettings*	gtk_settings_get_for_screen	     (GdkScreen *screen);

void		gtk_settings_install_property	     (GParamSpec         *pspec);

void		gtk_settings_install_property_parser (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);

/* implementation details */

void _gtk_settings_set_property_value_from_rc (GtkSettings            *settings,

					       const gchar            *name,

					       const GtkSettingsValue *svalue);

void _gtk_settings_reset_rc_values            (GtkSettings            *settings);

void                _gtk_settings_handle_event        (GdkEventSetting    *event);

GtkRcPropertyParser _gtk_rc_property_parser_from_type (GType               type);

gboolean	    _gtk_settings_parse_convert       (GtkRcPropertyParser parser,

						       const GValue       *src_value,

						       GParamSpec         *pspec,

						       GValue	          *dest_value);

G_END_DECLS

#endif /* __GTK_SETTINGS_H__ */