mirror of
https://github.com/suchmememanyskill/TegraExplorer.git
synced 2024-12-29 12:56:02 +00:00
194 lines
4.3 KiB
C
194 lines
4.3 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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#ifdef LV_CONF_INCLUDE_SIMPLE
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#include "lv_conf.h"
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#else
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#include "../../lv_conf.h"
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#endif
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#if USE_LV_SW != 0
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/*Testing of dependencies*/
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#if USE_LV_SLIDER == 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_core/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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#define LV_SWITCH_SLIDER_ANIM_MAX 1000
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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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lv_style_t *style_knob_off; /*Style of the knob when the switch is OFF*/
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lv_style_t *style_knob_on; /*Style of the knob when the switch is ON (NULL to use the same as OFF)*/
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lv_coord_t start_x;
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uint8_t changed :1; /*Indicates the switch state explicitly changed by drag*/
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uint8_t slided :1;
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#if USE_LV_ANIMATION
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uint16_t anim_time; /*switch animation time */
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#endif
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} lv_sw_ext_t;
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enum {
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LV_SW_STYLE_BG,
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LV_SW_STYLE_INDIC,
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LV_SW_STYLE_KNOB_OFF,
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LV_SW_STYLE_KNOB_ON,
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};
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typedef uint8_t lv_sw_style_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, const lv_obj_t * copy);
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/*=====================
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* Setter functions
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*====================*/
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/**
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* Turn ON the switch
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* @param sw pointer to a switch object
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*/
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void lv_sw_on(lv_obj_t *sw);
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/**
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* Turn OFF the switch
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* @param sw pointer to a switch object
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*/
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void lv_sw_off(lv_obj_t *sw);
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/**
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* Toggle the position of the switch
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* @param sw pointer to a switch object
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* @return resulting state of the switch.
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*/
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bool lv_sw_toggle(lv_obj_t *sw);
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/**
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* Turn ON the switch with an animation
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* @param sw pointer to a switch object
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*/
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void lv_sw_on_anim(lv_obj_t * sw);
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/**
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* Turn OFF the switch with an animation
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* @param sw pointer to a switch object
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*/
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void lv_sw_off_anim(lv_obj_t * sw);
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/**
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* Toggle the position of the switch with an animation
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* @param sw pointer to a switch object
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* @return resulting state of the switch.
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*/
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bool lv_sw_toggle_anim(lv_obj_t *sw);
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/**
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* Set a function which will be called when the switch is toggled by the user
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* @param sw pointer to switch object
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* @param action a callback function
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*/
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static inline void lv_sw_set_action(lv_obj_t * sw, lv_action_t action)
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{
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lv_slider_set_action(sw, action);
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}
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/**
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* Set a style of a switch
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* @param sw pointer to a switch object
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* @param type which style should be set
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* @param style pointer to a style
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*/
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void lv_sw_set_style(lv_obj_t *sw, lv_sw_style_t type, lv_style_t *style);
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#if USE_LV_ANIMATION
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/**
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* Set the animation time of the switch
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* @param sw pointer to a switch object
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* @param anim_time animation time
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* @return style pointer to a style
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*/
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void lv_sw_set_anim_time(lv_obj_t *sw, uint16_t anim_time);
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#endif
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/*=====================
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* Getter functions
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*====================*/
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/**
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* Get the state of a switch
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* @param sw pointer to a switch object
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* @return false: OFF; true: ON
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*/
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static inline bool lv_sw_get_state(const lv_obj_t *sw)
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{
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return lv_bar_get_value(sw) < LV_SWITCH_SLIDER_ANIM_MAX / 2 ? false : true;
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}
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/**
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* Get the switch action function
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* @param slider pointer to a switch object
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* @return the callback function
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*/
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static inline lv_action_t lv_sw_get_action(const lv_obj_t * slider)
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{
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return lv_slider_get_action(slider);
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}
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/**
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* Get a style of a switch
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* @param sw pointer to a switch object
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* @param type which style should be get
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* @return style pointer to a style
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*/
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lv_style_t * lv_sw_get_style(const lv_obj_t *sw, lv_sw_style_t type);
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/**
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* Get the animation time of the switch
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* @param sw pointer to a switch object
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* @return style pointer to a style
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*/
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uint16_t lv_sw_get_anim_time(const lv_obj_t *sw);
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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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