mirror of
https://gitlab.gnome.org/GNOME/glib.git
synced 2024-11-10 03:16:17 +01:00
280 lines
7.9 KiB
C
280 lines
7.9 KiB
C
/* GObject - GLib Type, Object, Parameter and Signal Library
|
|
* Copyright (C) 1998-1999, 2000-2001 Tim Janik and 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#ifndef __G_ENUMS_H__
|
|
#define __G_ENUMS_H__
|
|
|
|
#if !defined (__GLIB_GOBJECT_H_INSIDE__) && !defined (GOBJECT_COMPILATION)
|
|
#error "Only <glib-object.h> can be included directly."
|
|
#endif
|
|
|
|
#include <gobject/gtype.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
/* --- type macros --- */
|
|
/**
|
|
* G_TYPE_IS_ENUM:
|
|
* @type: a #GType ID.
|
|
*
|
|
* Checks whether @type "is a" %G_TYPE_ENUM.
|
|
*
|
|
* Returns: %TRUE if @type "is a" %G_TYPE_ENUM.
|
|
*/
|
|
#define G_TYPE_IS_ENUM(type) (G_TYPE_FUNDAMENTAL (type) == G_TYPE_ENUM)
|
|
/**
|
|
* G_ENUM_CLASS:
|
|
* @class: a valid #GEnumClass
|
|
*
|
|
* Casts a derived #GEnumClass structure into a #GEnumClass structure.
|
|
*/
|
|
#define G_ENUM_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class), G_TYPE_ENUM, GEnumClass))
|
|
/**
|
|
* G_IS_ENUM_CLASS:
|
|
* @class: a #GEnumClass
|
|
*
|
|
* Checks whether @class "is a" valid #GEnumClass structure of type %G_TYPE_ENUM
|
|
* or derived.
|
|
*/
|
|
#define G_IS_ENUM_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), G_TYPE_ENUM))
|
|
/**
|
|
* G_ENUM_CLASS_TYPE:
|
|
* @class: a #GEnumClass
|
|
*
|
|
* Get the type identifier from a given #GEnumClass structure.
|
|
*
|
|
* Returns: the #GType
|
|
*/
|
|
#define G_ENUM_CLASS_TYPE(class) (G_TYPE_FROM_CLASS (class))
|
|
/**
|
|
* G_ENUM_CLASS_TYPE_NAME:
|
|
* @class: a #GEnumClass
|
|
*
|
|
* Get the static type name from a given #GEnumClass structure.
|
|
*
|
|
* Returns: the type name.
|
|
*/
|
|
#define G_ENUM_CLASS_TYPE_NAME(class) (g_type_name (G_ENUM_CLASS_TYPE (class)))
|
|
|
|
|
|
/**
|
|
* G_TYPE_IS_FLAGS:
|
|
* @type: a #GType ID.
|
|
*
|
|
* Checks whether @type "is a" %G_TYPE_FLAGS.
|
|
*
|
|
* Returns: %TRUE if @type "is a" %G_TYPE_FLAGS.
|
|
*/
|
|
#define G_TYPE_IS_FLAGS(type) (G_TYPE_FUNDAMENTAL (type) == G_TYPE_FLAGS)
|
|
/**
|
|
* G_FLAGS_CLASS:
|
|
* @class: a valid #GFlagsClass
|
|
*
|
|
* Casts a derived #GFlagsClass structure into a #GFlagsClass structure.
|
|
*/
|
|
#define G_FLAGS_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class), G_TYPE_FLAGS, GFlagsClass))
|
|
/**
|
|
* G_IS_FLAGS_CLASS:
|
|
* @class: a #GFlagsClass
|
|
*
|
|
* Checks whether @class "is a" valid #GFlagsClass structure of type %G_TYPE_FLAGS
|
|
* or derived.
|
|
*/
|
|
#define G_IS_FLAGS_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), G_TYPE_FLAGS))
|
|
/**
|
|
* G_FLAGS_CLASS_TYPE:
|
|
* @class: a #GFlagsClass
|
|
*
|
|
* Get the type identifier from a given #GFlagsClass structure.
|
|
*
|
|
* Returns: the #GType
|
|
*/
|
|
#define G_FLAGS_CLASS_TYPE(class) (G_TYPE_FROM_CLASS (class))
|
|
/**
|
|
* G_FLAGS_CLASS_TYPE_NAME:
|
|
* @class: a #GFlagsClass
|
|
*
|
|
* Get the static type name from a given #GFlagsClass structure.
|
|
*
|
|
* Returns: the type name.
|
|
*/
|
|
#define G_FLAGS_CLASS_TYPE_NAME(class) (g_type_name (G_FLAGS_CLASS_TYPE (class)))
|
|
|
|
|
|
/**
|
|
* G_VALUE_HOLDS_ENUM:
|
|
* @value: a valid #GValue structure
|
|
*
|
|
* Checks whether the given #GValue can hold values derived from type %G_TYPE_ENUM.
|
|
*
|
|
* Returns: %TRUE on success.
|
|
*/
|
|
#define G_VALUE_HOLDS_ENUM(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_ENUM))
|
|
/**
|
|
* G_VALUE_HOLDS_FLAGS:
|
|
* @value: a valid #GValue structure
|
|
*
|
|
* Checks whether the given #GValue can hold values derived from type %G_TYPE_FLAGS.
|
|
*
|
|
* Returns: %TRUE on success.
|
|
*/
|
|
#define G_VALUE_HOLDS_FLAGS(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_FLAGS))
|
|
|
|
|
|
/* --- enum/flag values & classes --- */
|
|
typedef struct _GEnumClass GEnumClass;
|
|
typedef struct _GFlagsClass GFlagsClass;
|
|
typedef struct _GEnumValue GEnumValue;
|
|
typedef struct _GFlagsValue GFlagsValue;
|
|
|
|
/**
|
|
* GEnumClass:
|
|
* @g_type_class: the parent class
|
|
* @minimum: the smallest possible value.
|
|
* @maximum: the largest possible value.
|
|
* @n_values: the number of possible values.
|
|
* @values: an array of #GEnumValue structs describing the
|
|
* individual values.
|
|
*
|
|
* The class of an enumeration type holds information about its
|
|
* possible values.
|
|
*/
|
|
struct _GEnumClass
|
|
{
|
|
GTypeClass g_type_class;
|
|
|
|
/*< public >*/
|
|
gint minimum;
|
|
gint maximum;
|
|
guint n_values;
|
|
GEnumValue *values;
|
|
};
|
|
/**
|
|
* GFlagsClass:
|
|
* @g_type_class: the parent class
|
|
* @mask: a mask covering all possible values.
|
|
* @n_values: the number of possible values.
|
|
* @values: an array of #GFlagsValue structs describing the
|
|
* individual values.
|
|
*
|
|
* The class of a flags type holds information about its
|
|
* possible values.
|
|
*/
|
|
struct _GFlagsClass
|
|
{
|
|
GTypeClass g_type_class;
|
|
|
|
/*< public >*/
|
|
guint mask;
|
|
guint n_values;
|
|
GFlagsValue *values;
|
|
};
|
|
/**
|
|
* GEnumValue:
|
|
* @value: the enum value
|
|
* @value_name: the name of the value
|
|
* @value_nick: the nickname of the value
|
|
*
|
|
* A structure which contains a single enum value, its name, and its
|
|
* nickname.
|
|
*/
|
|
struct _GEnumValue
|
|
{
|
|
gint value;
|
|
const gchar *value_name;
|
|
const gchar *value_nick;
|
|
};
|
|
/**
|
|
* GFlagsValue:
|
|
* @value: the flags value
|
|
* @value_name: the name of the value
|
|
* @value_nick: the nickname of the value
|
|
*
|
|
* A structure which contains a single flags value, its name, and its
|
|
* nickname.
|
|
*/
|
|
struct _GFlagsValue
|
|
{
|
|
guint value;
|
|
const gchar *value_name;
|
|
const gchar *value_nick;
|
|
};
|
|
|
|
|
|
/* --- prototypes --- */
|
|
GLIB_AVAILABLE_IN_ALL
|
|
GEnumValue* g_enum_get_value (GEnumClass *enum_class,
|
|
gint value);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
GEnumValue* g_enum_get_value_by_name (GEnumClass *enum_class,
|
|
const gchar *name);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
GEnumValue* g_enum_get_value_by_nick (GEnumClass *enum_class,
|
|
const gchar *nick);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
GFlagsValue* g_flags_get_first_value (GFlagsClass *flags_class,
|
|
guint value);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
GFlagsValue* g_flags_get_value_by_name (GFlagsClass *flags_class,
|
|
const gchar *name);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
GFlagsValue* g_flags_get_value_by_nick (GFlagsClass *flags_class,
|
|
const gchar *nick);
|
|
GLIB_AVAILABLE_IN_2_54
|
|
gchar *g_enum_to_string (GType g_enum_type,
|
|
gint value);
|
|
GLIB_AVAILABLE_IN_2_54
|
|
gchar *g_flags_to_string (GType flags_type,
|
|
guint value);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
void g_value_set_enum (GValue *value,
|
|
gint v_enum);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
gint g_value_get_enum (const GValue *value);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
void g_value_set_flags (GValue *value,
|
|
guint v_flags);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
guint g_value_get_flags (const GValue *value);
|
|
|
|
|
|
|
|
/* --- registration functions --- */
|
|
/* const_static_values is a NULL terminated array of enum/flags
|
|
* values that is taken over!
|
|
*/
|
|
GLIB_AVAILABLE_IN_ALL
|
|
GType g_enum_register_static (const gchar *name,
|
|
const GEnumValue *const_static_values);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
GType g_flags_register_static (const gchar *name,
|
|
const GFlagsValue *const_static_values);
|
|
/* functions to complete the type information
|
|
* for enums/flags implemented by plugins
|
|
*/
|
|
GLIB_AVAILABLE_IN_ALL
|
|
void g_enum_complete_type_info (GType g_enum_type,
|
|
GTypeInfo *info,
|
|
const GEnumValue *const_values);
|
|
GLIB_AVAILABLE_IN_ALL
|
|
void g_flags_complete_type_info (GType g_flags_type,
|
|
GTypeInfo *info,
|
|
const GFlagsValue *const_values);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __G_ENUMS_H__ */
|