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gobject: Add private field access macros

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Similar to G_STRUCT_MEMBER and G_STRUCT_MEMBER_P, but automatically using
the G_PRIVATE_OFFSET macro.

https://bugzilla.gnome.org/show_bug.cgi?id=700035
This commit is contained in:
Emmanuele Bassi 2013-06-23 14:50:49 +01:00
parent d91d114a54
commit 39ba7c8142
1 changed files with 37 additions and 0 deletions
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37
gobject/gtype.h
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@ -1599,6 +1599,43 @@ guint g_type_get_type_registration_serial (void);
#define G_PRIVATE_OFFSET(TypeName, field) \
(TypeName##_private_offset + (G_STRUCT_OFFSET (TypeName##Private, field)))
/**
* G_PRIVATE_FIELD_P:
* @TypeName: the name of the type in CamelCase
* @inst: the instance of @TypeName you wish to access
* @field_name: the name of the field in the private data structure
*
* Evaluates to a pointer to the @field_name inside the @inst private data
* structure for @TypeName.
*
* Note that this macro can only be used together with the G_DEFINE_TYPE_*
* and G_ADD_PRIVATE() macros, since it depends on variable names from
* those macros.
*
* Since: 2.38
*/
#define G_PRIVATE_FIELD_P(TypeName, inst, field_name) \
G_STRUCT_MEMBER_P (inst, G_PRIVATE_OFFSET (TypeName, field_name))
/**
* G_PRIVATE_FIELD:
* @TypeName: the name of the type in CamelCase
* @inst: the instance of @TypeName you wish to access
* @field_type: the type of the field in the private data structure
* @field_name: the name of the field in the private data structure
*
* Evaluates to the @field_name inside the @inst private data
* structure for @TypeName.
*
* Note that this macro can only be used together with the G_DEFINE_TYPE_*
* and G_ADD_PRIVATE() macros, since it depends on variable names from
* those macros.
*
* Since: 2.38
*/
#define G_PRIVATE_FIELD(TypeName, inst, field_type, field_name) \
G_STRUCT_MEMBER (field_type, inst, G_PRIVATE_OFFSET (TypeName, field_name))
#define _G_DEFINE_TYPE_EXTENDED_BEGIN(TypeName, type_name, TYPE_PARENT, flags) \
\
static void type_name##_init (TypeName *self); \