--- /dev/null
+#ifndef EFL_UI_NSTATE_PRIVATE_H
+#define EFL_UI_NSTATE_PRIVATE_H
+
+#include "Elementary.h"
+
+/* DO NOT USE THIS HEADER UNLESS YOU ARE PREPARED FOR BREAKING OF YOUR
+ * CODE. THIS IS ELEMENTARY'S INTERNAL WIDGET API (for now) AND IS NOT
+ * FINAL. CALL elm_widget_api_check(ELM_INTERNAL_API_VERSION) TO CHECK
+ * IT AT RUNTIME.
+ */
+
+/**
+ * @addtogroup Widget
+ * @{
+ *
+ * @section efl-ui-nstate-class The Efl Ui Nstate Class
+ *
+ */
+
+/**
+ * Base widget smart data extended with nstate instance data.
+ */
+typedef struct _Efl_Ui_Nstate_Data
+{
+ int nstate;
+ int state;
+} Efl_Ui_Nstate_Data;
+/**
+ * @}
+ */
+
+#define EFL_UI_NSTATE_DATA_GET(o, sd) \
+ Efl_Ui_Nstate_Data * sd = efl_data_scope_get(o, EFL_UI_NSTATE_CLASS)
+
+#define EFL_UI_NSTATE_DATA_GET_OR_RETURN(o, ptr) \
+ EFL_UI_NSTATE_DATA_GET(o, ptr); \
+ if (EINA_UNLIKELY(!ptr)) \
+ { \
+ ERR("No widget data for object %p (%s)", \
+ o, evas_object_type_get(o)); \
+ return; \
+ }
+
+#define EFL_UI_NSTATE_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
+ EFL_UI_NSTATE_DATA_GET(o, ptr); \
+ if (EINA_UNLIKELY(!ptr)) \
+ { \
+ ERR("No widget data for object %p (%s)", \
+ o, evas_object_type_get(o)); \
+ return val; \
+ }
+
+#define EFL_UI_NSTATE_CHECK(obj) \
+ if (EINA_UNLIKELY(!efl_isa((obj), EFL_UI_NSTATE_CLASS))) \
+ return;
+
+#endif