1 #ifndef ELM_WIDGET_SLIDER_H
2 #define ELM_WIDGET_SLIDER_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-slider-class The Elementary Slider Class
17  *
18  * Elementary, besides having the @ref Slider widget, exposes its
19  * foundation -- the Elementary Slider Class -- in order to create other
20  * widgets which are a slider with some more logic on top.
21  */
22 
23 /**
24  * Base layout smart data extended with slider instance data.
25  */
26 typedef struct _Elm_Slider_Data Elm_Slider_Data;
27 struct _Elm_Slider_Data
28 {
29    Evas_Object          *popup, *popup2, *track, *track2, *spacer;
30 
31    double                val, val_min, val_max, step;
32    double                intvl_from, intvl_to;
33    double                wheel_indicator_duration;
34    int                   intvl_flag;
35 
36    Evas_Coord                  downx, downy;
37    Efl_Ui_Layout_Orientation   dir;
38 
39    Ecore_Timer           *wheel_indicator_timer, *delay;
40 
41    Elm_Slider_Indicator_Visible_Mode indicator_visible_mode; /**< indicator_visible_mode of the slider.
42                                                                 This indicates when to show an indicator */
43 
44    Evas_Coord            size;
45 
46    Efl_Ui_Format_Func    format_cb;
47    Eina_Free_Cb          format_free_cb;
48    void                  *format_cb_data;
49    Eina_Strbuf           *format_strbuf;
50 
51    Efl_Ui_Format_Func    indi_format_cb;
52    Eina_Free_Cb          indi_format_free_cb;
53    void                  *indi_format_cb_data;
54    Eina_Strbuf           *indi_format_strbuf;
55    const char            *indi_template;
56 
57 
58    Eina_Bool             indicator_show : 1;
59    Eina_Bool             units_show : 1;
60    Eina_Bool             popup_visible : 1;
61    Eina_Bool             intvl_enable : 1;
62    Eina_Bool             spacer_down : 1;
63    Eina_Bool             frozen : 1;
64 };
65 
66 /**
67  * @}
68  */
69 
70 #define ELM_SLIDER_DATA_GET(o, sd) \
71   Elm_Slider_Data * sd = efl_data_scope_get(o, ELM_SLIDER_CLASS)
72 
73 #define ELM_SLIDER_DATA_GET_OR_RETURN(o, sd, ...) \
74   Elm_Slider_Data * sd = efl_data_scope_safe_get(o, ELM_SLIDER_CLASS); \
75   if (EINA_UNLIKELY(!sd))                            \
76     {                                                \
77        ERR("No widget data for object %p (%s)",      \
78            o, evas_object_type_get(o));              \
79        return __VA_ARGS__;                           \
80     }
81 
82 #endif
83