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4708b8ecc3
Make G_TYPE_VARIANT a fundamental type instead of boxed, and add
g_variant_{set,get,dup}_variant.
Add GParamSpecVariant.
Bug #610863.
241 lines
6.4 KiB
C
241 lines
6.4 KiB
C
/* GObject - GLib Type, Object, Parameter and Signal Library
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* Copyright (C) 2000-2001 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#if !defined (__GLIB_GOBJECT_H_INSIDE__) && !defined (GOBJECT_COMPILATION)
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#error "Only <glib-object.h> can be included directly."
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#endif
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#ifndef __G_BOXED_H__
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#define __G_BOXED_H__
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#include <gobject/gtype.h>
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G_BEGIN_DECLS
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/* --- type macros --- */
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#define G_TYPE_IS_BOXED(type) (G_TYPE_FUNDAMENTAL (type) == G_TYPE_BOXED)
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/**
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* G_VALUE_HOLDS_BOXED:
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* @value: a valid #GValue structure
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*
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* Checks whether the given #GValue can hold values derived from type %G_TYPE_BOXED.
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*
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* Returns: %TRUE on success.
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*/
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#define G_VALUE_HOLDS_BOXED(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_BOXED))
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/* --- typedefs --- */
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/**
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* GBoxedCopyFunc:
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* @boxed: The boxed structure to be copied.
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*
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* This function is provided by the user and should produce a copy of the passed
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* in boxed structure.
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*
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* Returns: The newly created copy of the boxed structure.
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*/
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typedef gpointer (*GBoxedCopyFunc) (gpointer boxed);
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/**
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* GBoxedFreeFunc:
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* @boxed: The boxed structure to be freed.
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*
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* This function is provided by the user and should free the boxed
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* structure passed.
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*/
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typedef void (*GBoxedFreeFunc) (gpointer boxed);
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/* --- prototypes --- */
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gpointer g_boxed_copy (GType boxed_type,
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gconstpointer src_boxed);
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void g_boxed_free (GType boxed_type,
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gpointer boxed);
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void g_value_set_boxed (GValue *value,
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gconstpointer v_boxed);
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void g_value_set_static_boxed (GValue *value,
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gconstpointer v_boxed);
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gpointer g_value_get_boxed (const GValue *value);
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gpointer g_value_dup_boxed (const GValue *value);
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/* --- convenience --- */
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GType g_boxed_type_register_static (const gchar *name,
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GBoxedCopyFunc boxed_copy,
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GBoxedFreeFunc boxed_free);
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/* --- GLib boxed types --- */
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/**
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* G_TYPE_CLOSURE:
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*
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* The #GType for #GClosure.
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*/
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#define G_TYPE_CLOSURE (g_closure_get_type ())
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/**
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* G_TYPE_VALUE:
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*
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* The type ID of the "GValue" type which is a boxed type,
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* used to pass around pointers to GValues.
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*/
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#define G_TYPE_VALUE (g_value_get_type ())
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/**
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* G_TYPE_VALUE_ARRAY:
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*
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* The type ID of the "GValueArray" type which is a boxed type,
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* used to pass around pointers to GValueArrays.
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*/
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#define G_TYPE_VALUE_ARRAY (g_value_array_get_type ())
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/**
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* G_TYPE_DATE:
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*
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* The #GType for #GDate.
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*/
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#define G_TYPE_DATE (g_date_get_type ())
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/**
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* G_TYPE_STRV:
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*
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* The #GType for a boxed type holding a %NULL-terminated array of strings.
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*
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* The code fragments in the following example show the use of a property of
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* type #G_TYPE_STRV with g_object_class_install_property(), g_object_set()
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* and g_object_get().
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*
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* |[
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* g_object_class_install_property (object_class,
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* PROP_AUTHORS,
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* g_param_spec_boxed ("authors",
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* _("Authors"),
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* _("List of authors"),
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* G_TYPE_STRV,
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* G_PARAM_READWRITE));
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*
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*
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* gchar *authors[] = { "Owen", "Tim", NULL };
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* g_object_set (obj, "authors", authors, NULL);
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*
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*
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* gchar *writers[];
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* g_object_get (obj, "authors", &writers, NULL);
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* // do something with writers
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* g_strfreev (writers);
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* ]|
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*
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* Since: 2.4
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*/
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#define G_TYPE_STRV (g_strv_get_type ())
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/**
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* G_TYPE_GSTRING:
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*
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* The #GType for #GString.
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*/
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#define G_TYPE_GSTRING (g_gstring_get_type ())
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/**
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* G_TYPE_HASH_TABLE:
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*
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* The #GType for a boxed type holding a #GHashTable reference.
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*
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* Since: 2.10
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*/
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#define G_TYPE_HASH_TABLE (g_hash_table_get_type ())
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/**
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* G_TYPE_REGEX:
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*
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* The #GType for a boxed type holding a #GRegex reference.
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*
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* Since: 2.14
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*/
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#define G_TYPE_REGEX (g_regex_get_type ())
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/**
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* G_TYPE_ARRAY:
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*
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* The #GType for a boxed type holding a #GArray reference.
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*
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* Since: 2.22
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*/
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#define G_TYPE_ARRAY (g_array_get_type ())
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/**
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* G_TYPE_BYTE_ARRAY:
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*
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* The #GType for a boxed type holding a #GByteArray reference.
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*
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* Since: 2.22
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*/
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#define G_TYPE_BYTE_ARRAY (g_byte_array_get_type ())
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/**
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* G_TYPE_PTR_ARRAY:
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*
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* The #GType for a boxed type holding a #GPtrArray reference.
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*
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* Since: 2.22
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*/
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#define G_TYPE_PTR_ARRAY (g_ptr_array_get_type ())
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/**
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* G_TYPE_VARIANT_TYPE:
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*
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* The #GType for a boxed type holding a #GVariantType.
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*
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* Since: 2.24
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*/
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#define G_TYPE_VARIANT_TYPE (g_variant_type_get_gtype ())
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/**
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* G_TYPE_ERROR:
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*
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* The #GType for a boxed type holding a #GError.
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*
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* Since: 2.26
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*/
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#define G_TYPE_ERROR (g_error_get_type ())
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void g_value_take_boxed (GValue *value,
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gconstpointer v_boxed);
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#ifndef G_DISABLE_DEPRECATED
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void g_value_set_boxed_take_ownership (GValue *value,
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gconstpointer v_boxed);
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#endif
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GType g_closure_get_type (void) G_GNUC_CONST;
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GType g_value_get_type (void) G_GNUC_CONST;
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GType g_value_array_get_type (void) G_GNUC_CONST;
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GType g_date_get_type (void) G_GNUC_CONST;
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GType g_strv_get_type (void) G_GNUC_CONST;
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GType g_gstring_get_type (void) G_GNUC_CONST;
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GType g_hash_table_get_type (void) G_GNUC_CONST;
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GType g_array_get_type (void) G_GNUC_CONST;
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GType g_byte_array_get_type (void) G_GNUC_CONST;
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GType g_ptr_array_get_type (void) G_GNUC_CONST;
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GType g_variant_type_get_gtype(void) G_GNUC_CONST;
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GType g_regex_get_type (void) G_GNUC_CONST;
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GType g_error_get_type (void) G_GNUC_CONST;
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#ifndef G_DISABLE_DEPRECATED
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GType g_variant_get_gtype (void) G_GNUC_CONST;
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#endif
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/**
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* GStrv:
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*
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* A C representable type name for #G_TYPE_STRV.
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*/
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typedef gchar** GStrv;
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G_END_DECLS
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#endif /* __G_BOXED_H__ */
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