105 lines
2.4 KiB
C
105 lines
2.4 KiB
C
/**
|
|
* @file lv_spinner.c
|
|
*
|
|
*/
|
|
|
|
/*********************
|
|
* INCLUDES
|
|
*********************/
|
|
#include "lv_spinner.h"
|
|
#if LV_USE_SPINNER
|
|
|
|
/*********************
|
|
* DEFINES
|
|
*********************/
|
|
|
|
/**********************
|
|
* TYPEDEFS
|
|
**********************/
|
|
|
|
/**********************
|
|
* STATIC PROTOTYPES
|
|
**********************/
|
|
static void lv_spinner_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj);
|
|
static void arc_anim_start_angle(void * obj, int32_t v);
|
|
static void arc_anim_end_angle(void * obj, int32_t v);
|
|
|
|
/**********************
|
|
* STATIC VARIABLES
|
|
**********************/
|
|
const lv_obj_class_t lv_spinner_class = {
|
|
.base_class = &lv_arc_class,
|
|
.constructor_cb = lv_spinner_constructor
|
|
};
|
|
|
|
static uint32_t time_param;
|
|
static uint32_t arc_length_param;
|
|
|
|
/**********************
|
|
* MACROS
|
|
**********************/
|
|
|
|
/**********************
|
|
* GLOBAL FUNCTIONS
|
|
**********************/
|
|
|
|
/**
|
|
* Create a spinner object
|
|
* @param parent pointer to an object, it will be the parent of the new spinner
|
|
* @return pointer to the created spinner
|
|
*/
|
|
lv_obj_t * lv_spinner_create(lv_obj_t * parent, uint32_t time, uint32_t arc_length)
|
|
{
|
|
time_param = time;
|
|
arc_length_param = arc_length;
|
|
|
|
lv_obj_t * obj = lv_obj_class_create_obj(&lv_spinner_class, parent);
|
|
lv_obj_class_init_obj(obj);
|
|
return obj;
|
|
}
|
|
|
|
|
|
/**********************
|
|
* STATIC FUNCTIONS
|
|
**********************/
|
|
|
|
static void lv_spinner_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj)
|
|
{
|
|
LV_TRACE_OBJ_CREATE("begin");
|
|
|
|
LV_UNUSED(class_p);
|
|
|
|
lv_obj_clear_flag(obj, LV_OBJ_FLAG_CLICKABLE);
|
|
|
|
lv_anim_t a;
|
|
lv_anim_init(&a);
|
|
lv_anim_set_var(&a, obj);
|
|
lv_anim_set_exec_cb(&a, arc_anim_end_angle);
|
|
lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
|
|
lv_anim_set_time(&a, time_param);
|
|
lv_anim_set_values(&a, arc_length_param, 360 + arc_length_param);
|
|
lv_anim_start(&a);
|
|
|
|
lv_anim_set_path_cb(&a, lv_anim_path_ease_in_out);
|
|
lv_anim_set_values(&a, 0, 360);
|
|
lv_anim_set_exec_cb(&a, arc_anim_start_angle);
|
|
lv_anim_start(&a);
|
|
|
|
lv_arc_set_bg_angles(obj, 0, 360);
|
|
lv_arc_set_rotation(obj, 270);
|
|
}
|
|
|
|
|
|
static void arc_anim_start_angle(void * obj, int32_t v)
|
|
{
|
|
lv_arc_set_start_angle(obj, (uint16_t) v);
|
|
}
|
|
|
|
|
|
static void arc_anim_end_angle(void * obj, int32_t v)
|
|
{
|
|
lv_arc_set_end_angle(obj, (uint16_t) v);
|
|
}
|
|
|
|
#endif /*LV_USE_SPINNER*/
|