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Nama	Ukuran	Aksi
gbinding.h	6.44 MB	View DL Edit
gboxed.h	3.87 MB	View DL Edit
gclosure.h	10.77 MB	View DL Edit
genums.h	7.85 MB	View DL Edit
glib-enumtypes.h	1014 B	View DL Edit
glib-types.h	8.85 MB	View DL Edit
gmarshal.h	21.33 MB	View DL Edit
gobject-autocleanups.h	1.35 MB	View DL Edit
gobject.h	33.59 MB	View DL Edit
gobjectnotifyqueue.c	5.39 MB	View DL Edit
gparam.h	16.14 MB	View DL Edit
gparamspecs.h	34.03 MB	View DL Edit
gsignal.h	24.92 MB	View DL Edit
gsourceclosure.h	1.25 MB	View DL Edit
gtype.h	90.44 MB	View DL Edit
gtypemodule.h	10.58 MB	View DL Edit
gtypeplugin.h	4.85 MB	View DL Edit
gvalue.h	5.9 MB	View DL Edit
gvaluearray.h	3.14 MB	View DL Edit
gvaluecollector.h	9.59 MB	View DL Edit
gvaluetypes.h	10.01 MB	View DL Edit

Edit file: /usr/include/glib-2.0/gobject/gvalue.h

/* GObject - GLib Type, Object, Parameter and Signal Library
 * Copyright (C) 1997-1999, 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 2.1 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/>.
 *
 * gvalue.h: generic GValue functions
 */
#ifndef __G_VALUE_H__
#define __G_VALUE_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_VALUE:
 * @type: A #GType value.
 * 
 * Checks whether the passed in type ID can be used for g_value_init().
 * That is, this macro checks whether this type provides an implementation
 * of the #GTypeValueTable functions required for a type to create a #GValue of.
 * 
 * Returns: Whether @type is suitable as a #GValue type.
 */
#define	G_TYPE_IS_VALUE(type)		(g_type_check_is_value_type (type))
/**
 * G_IS_VALUE:
 * @value: A #GValue structure.
 * 
 * Checks if @value is a valid and initialized #GValue structure.
 *
 * Returns: %TRUE on success.
 */
#define	G_IS_VALUE(value)		(G_TYPE_CHECK_VALUE (value))
/**
 * G_VALUE_TYPE:
 * @value: A #GValue structure.
 *
 * Get the type identifier of @value.
 *
 * Returns: the #GType.
 */
#define	G_VALUE_TYPE(value)		(((GValue*) (value))->g_type)
/**
 * G_VALUE_TYPE_NAME:
 * @value: A #GValue structure.
 *
 * Gets the type name of @value.
 *
 * Returns: the type name.
 */
#define	G_VALUE_TYPE_NAME(value)	(g_type_name (G_VALUE_TYPE (value)))
/**
 * G_VALUE_HOLDS:
 * @value: A #GValue structure.
 * @type: A #GType value.
 *
 * Checks if @value holds (or contains) a value of @type.
 * This macro will also check for @value != %NULL and issue a
 * warning if the check fails.
 *
 * Returns: %TRUE if @value holds the @type.
 */
#define G_VALUE_HOLDS(value,type)	(G_TYPE_CHECK_VALUE_TYPE ((value), (type)))

/* --- typedefs & structures --- */
/**
 * GValueTransform:
 * @src_value: Source value.
 * @dest_value: Target value.
 * 
 * The type of value transformation functions which can be registered with
 * g_value_register_transform_func().
 *
 * @dest_value will be initialized to the correct destination type.
 */
typedef void (*GValueTransform) (const GValue *src_value,
				 GValue       *dest_value);
/**
 * GValue:
 * 
 * An opaque structure used to hold different types of values.
 * The data within the structure has protected scope: it is accessible only
 * to functions within a #GTypeValueTable structure, or implementations of
 * the g_value_*() API. That is, code portions which implement new fundamental
 * types.
 * #GValue users cannot make any assumptions about how data is stored
 * within the 2 element @data union, and the @g_type member should
 * only be accessed through the G_VALUE_TYPE() macro.
 */
struct _GValue
{
  /*< private >*/
  GType		g_type;

/* public for GTypeValueTable methods */
  union {
    gint	v_int;
    guint	v_uint;
    glong	v_long;
    gulong	v_ulong;
    gint64      v_int64;
    guint64     v_uint64;
    gfloat	v_float;
    gdouble	v_double;
    gpointer	v_pointer;
  } data[2];
};

/* --- prototypes --- */
GLIB_AVAILABLE_IN_ALL
GValue*         g_value_init	   	(GValue       *value,
					 GType         g_type);
GLIB_AVAILABLE_IN_ALL
void            g_value_copy    	(const GValue *src_value,
					 GValue       *dest_value);
GLIB_AVAILABLE_IN_ALL
GValue*         g_value_reset   	(GValue       *value);
GLIB_AVAILABLE_IN_ALL
void            g_value_unset   	(GValue       *value);
GLIB_AVAILABLE_IN_ALL
void		g_value_set_instance	(GValue	      *value,
					 gpointer      instance);
GLIB_AVAILABLE_IN_2_42
void            g_value_init_from_instance   (GValue       *value,
                                              gpointer      instance);

/* --- private --- */
GLIB_AVAILABLE_IN_ALL
gboolean	g_value_fits_pointer	(const GValue *value);
GLIB_AVAILABLE_IN_ALL
gpointer	g_value_peek_pointer	(const GValue *value);

/* --- implementation details --- */
GLIB_AVAILABLE_IN_ALL
gboolean g_value_type_compatible	(GType		 src_type,
					 GType		 dest_type);
GLIB_AVAILABLE_IN_ALL
gboolean g_value_type_transformable	(GType           src_type,
					 GType           dest_type);
GLIB_AVAILABLE_IN_ALL
gboolean g_value_transform		(const GValue   *src_value,
					 GValue         *dest_value);
GLIB_AVAILABLE_IN_ALL
void	g_value_register_transform_func	(GType		 src_type,
					 GType		 dest_type,
					 GValueTransform transform_func);

/**
 * G_VALUE_NOCOPY_CONTENTS:
 *
 * If passed to G_VALUE_COLLECT(), allocated data won't be copied
 * but used verbatim. This does not affect ref-counted types like
 * objects. This does not affect usage of g_value_copy(), the data will
 * be copied if it is not ref-counted.
 */
#define G_VALUE_NOCOPY_CONTENTS (1 << 27)

/**
 * G_VALUE_INTERNED_STRING:
 *
 * For string values, indicates that the string contained is canonical and will
 * exist for the duration of the process. See g_value_set_interned_string().
 *
 * Since: 2.66
 */
#define G_VALUE_INTERNED_STRING (1 << 28) GLIB_AVAILABLE_MACRO_IN_2_66

/**
 * G_VALUE_INIT:
 *
 * A #GValue must be initialized before it can be used. This macro can
 * be used as initializer instead of an explicit `{ 0 }` when declaring
 * a variable, but it cannot be assigned to a variable.
 *
 * |[
 *   GValue value = G_VALUE_INIT;
 * ]|
 *
 * Since: 2.30
 */
#define G_VALUE_INIT  { 0, { { 0 } } }

G_END_DECLS

#endif /* __G_VALUE_H__ */

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