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https://github.com/lvgl/lvgl.git
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75 lines
1.6 KiB
C
75 lines
1.6 KiB
C
/**
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* @file lv_sw.h
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*
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*/
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#ifndef LV_SW_H
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#define LV_SW_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*********************
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* INCLUDES
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*********************/
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#include "lv_conf.h"
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#if USE_LV_SW != 0
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/*Testing of dependencies*/
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#if USE_LV_SW == 0
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#error "lv_sw: lv_slider is required. Enable it in lv_conf.h (USE_LV_SLIDER 1)"
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#endif
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#include "../lv_obj/lv_obj.h"
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#include "lv_slider.h"
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/*********************
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* DEFINES
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*********************/
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/**********************
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* TYPEDEFS
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**********************/
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/*Data of switch*/
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typedef struct
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{
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lv_slider_ext_t slider; /*Ext. of ancestor*/
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/*New data for this type */
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uint8_t changed :1; /*Indicates the switch explicitly changed by drag*/
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}lv_sw_ext_t;
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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/**
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* Create a switch objects
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* @param par pointer to an object, it will be the parent of the new switch
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* @param copy pointer to a switch object, if not NULL then the new object will be copied from it
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* @return pointer to the created switch
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*/
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lv_obj_t * lv_sw_create(lv_obj_t * par, lv_obj_t * copy);
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/**
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* Signal function of the switch
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* @param sw pointer to a switch object
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* @param sign a signal type from lv_signal_t enum
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* @param param pointer to a signal specific variable
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* @return true: the object is still valid (not deleted), false: the object become invalid
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*/
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bool lv_sw_signal(lv_obj_t * sw, lv_signal_t sign, void * param);
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/**********************
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* MACROS
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**********************/
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#endif /*USE_LV_SW*/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /*LV_SW_H*/
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