mirror of
https://github.com/lvgl/lvgl.git
synced 2025-01-21 06:53:01 +08:00
140 lines
3.3 KiB
C
140 lines
3.3 KiB
C
/**
|
|
* @file lv_sw.h
|
|
*
|
|
*/
|
|
|
|
#ifndef LV_SWITCH_H
|
|
#define LV_SWITCH_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/*********************
|
|
* INCLUDES
|
|
*********************/
|
|
#include "../lv_conf_internal.h"
|
|
|
|
#if LV_USE_SWITCH != 0
|
|
|
|
/*Testing of dependencies*/
|
|
#if LV_USE_SLIDER == 0
|
|
#error "lv_sw: lv_slider is required. Enable it in lv_conf.h (LV_USE_SLIDER 1)"
|
|
#endif
|
|
|
|
#include "../lv_core/lv_obj.h"
|
|
#include "lv_bar.h"
|
|
|
|
/*********************
|
|
* DEFINES
|
|
*********************/
|
|
|
|
/**********************
|
|
* TYPEDEFS
|
|
**********************/
|
|
/*Data of switch*/
|
|
typedef struct {
|
|
lv_bar_ext_t bar; /*Ext. of ancestor*/
|
|
/*New data for this type */
|
|
lv_style_list_t style_knob; /*Style of the knob*/
|
|
uint8_t state : 1; /*The current state*/
|
|
} lv_switch_ext_t;
|
|
|
|
/**
|
|
* Switch parts.
|
|
*/
|
|
enum {
|
|
LV_SWITCH_PART_BG = LV_BAR_PART_BG, /**< Switch background. */
|
|
LV_SWITCH_PART_INDIC = LV_BAR_PART_INDIC, /**< Switch fill area. */
|
|
LV_SWITCH_PART_KNOB = _LV_BAR_PART_VIRTUAL_LAST, /**< Switch knob. */
|
|
_LV_SWITCH_PART_VIRTUAL_LAST
|
|
};
|
|
|
|
typedef uint8_t lv_switch_part_t;
|
|
|
|
/**********************
|
|
* GLOBAL PROTOTYPES
|
|
**********************/
|
|
|
|
/**
|
|
* Create a switch objects
|
|
* @param par pointer to an object, it will be the parent of the new switch
|
|
* @param copy pointer to a switch object, if not NULL then the new object will be copied from it
|
|
* @return pointer to the created switch
|
|
*/
|
|
lv_obj_t * lv_switch_create(lv_obj_t * par, const lv_obj_t * copy);
|
|
|
|
/*=====================
|
|
* Setter functions
|
|
*====================*/
|
|
|
|
/**
|
|
* Turn ON the switch
|
|
* @param sw pointer to a switch object
|
|
* @param anim LV_ANIM_ON: set the value with an animation; LV_ANIM_OFF: change the value immediately
|
|
*/
|
|
void lv_switch_on(lv_obj_t * sw, lv_anim_enable_t anim);
|
|
|
|
/**
|
|
* Turn OFF the switch
|
|
* @param sw pointer to a switch object
|
|
* @param anim LV_ANIM_ON: set the value with an animation; LV_ANIM_OFF: change the value immediately
|
|
*/
|
|
void lv_switch_off(lv_obj_t * sw, lv_anim_enable_t anim);
|
|
|
|
/**
|
|
* Toggle the position of the switch
|
|
* @param sw pointer to a switch object
|
|
* @param anim LV_ANIM_ON: set the value with an animation; LV_ANIM_OFF: change the value immediately
|
|
* @return resulting state of the switch.
|
|
*/
|
|
bool lv_switch_toggle(lv_obj_t * sw, lv_anim_enable_t anim);
|
|
|
|
/**
|
|
* Set the animation time of the switch
|
|
* @param sw pointer to a switch object
|
|
* @param anim_time animation time
|
|
* @return style pointer to a style
|
|
*/
|
|
static inline void lv_switch_set_anim_time(lv_obj_t * sw, uint16_t anim_time)
|
|
{
|
|
lv_bar_set_anim_time(sw, anim_time);
|
|
}
|
|
|
|
/*=====================
|
|
* Getter functions
|
|
*====================*/
|
|
|
|
/**
|
|
* Get the state of a switch
|
|
* @param sw pointer to a switch object
|
|
* @return false: OFF; true: ON
|
|
*/
|
|
static inline bool lv_switch_get_state(const lv_obj_t * sw)
|
|
{
|
|
lv_switch_ext_t * ext = (lv_switch_ext_t *)lv_obj_get_ext_attr(sw);
|
|
return ext->state ? true : false;
|
|
}
|
|
|
|
/**
|
|
* Get the animation time of the switch
|
|
* @param sw pointer to a switch object
|
|
* @return style pointer to a style
|
|
*/
|
|
static inline uint16_t lv_switch_get_anim_time(const lv_obj_t * sw)
|
|
{
|
|
return lv_bar_get_anim_time(sw);
|
|
}
|
|
|
|
/**********************
|
|
* MACROS
|
|
**********************/
|
|
|
|
#endif /*LV_USE_SWITCH*/
|
|
|
|
#ifdef __cplusplus
|
|
} /* extern "C" */
|
|
#endif
|
|
|
|
#endif /*LV_SWITCH_H*/
|