diff options
Diffstat (limited to 'libdocument/ev-document.h')
| -rw-r--r-- | libdocument/ev-document.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/libdocument/ev-document.h b/libdocument/ev-document.h index 367d6e6..e07e3a2 100644 --- a/libdocument/ev-document.h +++ b/libdocument/ev-document.h @@ -216,6 +216,26 @@ register_evince_backend (GTypeModule *module) \ #define EV_BACKEND_REGISTER(BackendName, backend_name) \ EV_BACKEND_REGISTER_WITH_CODE(BackendName, backend_name, ;) +/* + * A convenience macro for boxed type implementations, which defines a + * type_name_get_type() function registering the boxed type. + */ +#define EV_DEFINE_BOXED_TYPE(TypeName, type_name, copy_func, free_func) \ +GType \ +type_name##_get_type (void) \ +{ \ + static volatile gsize g_define_type_id__volatile = 0; \ + if (g_once_init_enter (&g_define_type_id__volatile)) { \ + GType g_define_type_id = \ + g_boxed_type_register_static (g_intern_static_string (#TypeName), \ + (GBoxedCopyFunc) copy_func, \ + (GBoxedFreeFunc) free_func); \ + g_once_init_leave (&g_define_type_id__volatile, g_define_type_id); \ + } \ + return g_define_type_id__volatile; \ +} + + G_END_DECLS #endif /* EV_DOCUMENT_H */ |