1 #ifndef ELM_WIDGET_INWIN_H
2 #define ELM_WIDGET_INWIN_H
3 
4 #include "Elementary.h"
5 
6 /* DO NOT USE THIS HEADER UNLESS YOU ARE PREPARED FOR BREAKING OF YOUR
7  * CODE. THIS IS ELEMENTARY'S INTERNAL WIDGET API (for now) AND IS NOT
8  * FINAL. CALL elm_widget_api_check(ELM_INTERNAL_API_VERSION) TO CHECK
9  * IT AT RUNTIME.
10  */
11 
12 /**
13  * @addtogroup Widget
14  * @{
15  *
16  * @section elm-inwin-class The Elementary Inwin Class
17  *
18  * Elementary, besides having the @ref Inwin widget, exposes its
19  * foundation -- the Elementary Inwin Class -- in order to create other
20  * widgets which are a inwin with some more logic on top.
21  */
22 
23 /**
24  * Base layout smart data extended with inwin instance data.
25  */
26 typedef struct _Elm_Inwin_Smart_Data Elm_Inwin_Smart_Data;
27 struct _Elm_Inwin_Smart_Data
28 {
29 };
30 
31 /**
32  * @}
33  */
34 
35 #define ELM_INWIN_DATA_GET(o, sd) \
36   Elm_Inwin_Smart_Data * sd = efl_data_scope_get(o, ELM_INWIN_CLASS)
37 
38 #define ELM_INWIN_DATA_GET_OR_RETURN(o, ptr)         \
39   ELM_INWIN_DATA_GET(o, ptr);                        \
40   if (EINA_UNLIKELY(!ptr))                           \
41     {                                                \
42        ERR("No widget data for object %p (%s)",      \
43            o, evas_object_type_get(o));              \
44        return;                                       \
45     }
46 
47 #define ELM_INWIN_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
48   ELM_INWIN_DATA_GET(o, ptr);                         \
49   if (EINA_UNLIKELY(!ptr))                            \
50     {                                                 \
51        ERR("No widget data for object %p (%s)",       \
52            o, evas_object_type_get(o));               \
53        return val;                                    \
54     }
55 
56 #define ELM_INWIN_CHECK(obj)                                  \
57   if (EINA_UNLIKELY(!efl_isa((obj), ELM_INWIN_CLASS))) \
58     return
59 
60 #endif
61