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https://github.com/lvgl/lvgl.git
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101 lines
2.2 KiB
C
101 lines
2.2 KiB
C
/**
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* @file lv_cb.h
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*
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*/
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#ifndef LV_CB_H
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#define LV_CB_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_CB != 0
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/*Testing of dependencies*/
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#if USE_LV_BTN == 0
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#error "lv_cb: lv_btn is required. Enable it in lv_conf.h (USE_LV_BTN 1) "
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#endif
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#if USE_LV_LABEL == 0
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#error "lv_cb: lv_label is required. Enable it in lv_conf.h (USE_LV_LABEL 1) "
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#endif
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#include "../lv_obj/lv_obj.h"
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#include "lv_btn.h"
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#include "lv_label.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 check box*/
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typedef struct
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{
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lv_btn_ext_t bg_btn; /*Ext. of ancestor*/
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/*New data for this type */
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lv_obj_t * bullet; /*Pointer to button*/
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lv_obj_t * label; /*Pointer to label*/
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}lv_cb_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 check box objects
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* @param par pointer to an object, it will be the parent of the new check box
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* @param copy pointer to a check box object, if not NULL then the new object will be copied from it
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* @return pointer to the created check box
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*/
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lv_obj_t * lv_cb_create(lv_obj_t * par, lv_obj_t * copy);
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/**
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* Signal function of the check box
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* @param cb pointer to a check box 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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*/
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bool lv_cb_signal(lv_obj_t * cb, lv_signal_t sign, void * param);
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/**
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* Set the text of a check box
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* @param cb pointer to a check box
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* @param txt the text of the check box
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*/
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void lv_cb_set_text(lv_obj_t * cb, const char * txt);
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/**
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* Get the text of a check box
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* @param cb pointer to check box object
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* @return pointer to the text of the check box
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*/
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const char * lv_cb_get_text(lv_obj_t * cb);
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/**
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* Get the bullet (lv_btn) of a check box
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* @param cb pointer to check box object
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* @return pointer to the bullet of the check box (lv_btn)
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*/
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lv_obj_t * lv_cb_get_bullet(lv_obj_t * cb);
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/**********************
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* MACROS
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**********************/
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#endif /*USE_LV_CB*/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /*LV_CB_H*/
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