1 #ifndef ELM_WIDGET_FLIPSELECTOR_H
2 #define ELM_WIDGET_FLIPSELECTOR_H
3 
4 #include "elm_widget_layout.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-flipselector-class The Elementary Flipselector Class
17  *
18  * Elementary, besides having the @ref Flipselector widget, exposes its
19  * foundation -- the Elementary Flipselector Class -- in order to create other
20  * widgets which are a flipselector with some more logic on top.
21  */
22 
23 /**
24  * Base layout smart data extended with flipselector instance data.
25  */
26 typedef struct _Elm_Flipselector_Data Elm_Flipselector_Data;
27 struct _Elm_Flipselector_Data
28 {
29    Evas_Object          *obj;
30    Eina_List            *items;
31    Eina_List            *current;
32    Eina_List            *sentinel; /* item containing the largest
33                                     * label string */
34    Ecore_Timer          *spin;
35    Ecore_Job            *view_update;
36 
37    unsigned int          max_len;
38    double                interval, first_interval;
39    double                val_min, val_max;
40    double                step; /**< step for the value change. 1 by default. */
41 
42    int                   walking;
43    Eina_Bool             evaluating : 1;
44    Eina_Bool             deleting : 1;
45    Eina_Bool             need_update : 1;
46 };
47 
48 typedef struct _Elm_Flipselector_Item_Data       Elm_Flipselector_Item_Data;
49 struct _Elm_Flipselector_Item_Data
50 {
51    Elm_Widget_Item_Data *base;
52 
53    const char   *label;
54    Evas_Smart_Cb func;
55 };
56 
57 #define ELM_FLIPSELECTOR_DATA_GET(o, sd) \
58   Elm_Flipselector_Data * sd = efl_data_scope_get(o, ELM_FLIPSELECTOR_CLASS)
59 
60 #define ELM_FLIPSELECTOR_DATA_GET_OR_RETURN(o, ptr)  \
61   ELM_FLIPSELECTOR_DATA_GET(o, ptr);                 \
62   if (EINA_UNLIKELY(!ptr))                           \
63     {                                                \
64        ERR("No widget data for object %p (%s)",      \
65            o, evas_object_type_get(o));              \
66        return;                                       \
67     }
68 
69 #define ELM_FLIPSELECTOR_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
70   ELM_FLIPSELECTOR_DATA_GET(o, ptr);                         \
71   if (EINA_UNLIKELY(!ptr))                                   \
72     {                                                        \
73        ERR("No widget data for object %p (%s)",              \
74            o, evas_object_type_get(o));                      \
75        return val;                                           \
76     }
77 
78 #define ELM_FLIPSELECTOR_ITEM_DATA_GET(o, sd) \
79   Elm_Flipselector_Item_Data * sd = efl_data_scope_get(o, ELM_FLIPSELECTOR_ITEM_CLASS)
80 
81 #define ELM_FLIPSELECTOR_CHECK(obj)                          \
82   if (EINA_UNLIKELY(!efl_isa((obj), ELM_FLIPSELECTOR_CLASS))) \
83     return
84 
85 #define ELM_FLIPSELECTOR_ITEM_CHECK(it)                     \
86   if (EINA_UNLIKELY(!efl_isa((it->base->eo_obj), ELM_FLIPSELECTOR_ITEM_CLASS))) \
87     return
88 
89 #define ELM_FLIPSELECTOR_ITEM_CHECK_OR_RETURN(it, ...)                 \
90   if (EINA_UNLIKELY(!efl_isa((it->base->eo_obj), ELM_FLIPSELECTOR_ITEM_CLASS))) \
91     return __VA_ARGS__;
92 
93 /**
94  * @}
95  */
96 
97 #endif
98