mirror of
https://github.com/suchmememanyskill/TegraExplorer.git
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280 lines
7.2 KiB
C
280 lines
7.2 KiB
C
/**
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* @file lv_btn.h
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*
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*/
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#ifndef LV_BTN_H
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#define LV_BTN_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_BTN != 0
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/*Testing of dependencies*/
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#if USE_LV_CONT == 0
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#error "lv_btn: lv_cont is required. Enable it in lv_conf.h (USE_LV_CONT 1) "
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#endif
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#include "lv_cont.h"
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#include "../lv_core/lv_indev.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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/* Button states
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* It can be used not only by buttons but other button-like objects too*/
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enum
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{
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LV_BTN_STATE_REL,
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LV_BTN_STATE_PR,
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LV_BTN_STATE_TGL_REL,
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LV_BTN_STATE_TGL_PR,
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LV_BTN_STATE_INA,
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LV_BTN_STATE_NUM,
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};
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typedef uint8_t lv_btn_state_t;
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enum
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{
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LV_BTN_ACTION_CLICK,
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LV_BTN_ACTION_PR,
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LV_BTN_ACTION_LONG_PR,
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LV_BTN_ACTION_LONG_PR_REPEAT,
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LV_BTN_ACTION_NUM,
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};
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typedef uint8_t lv_btn_action_t;
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/*Data of button*/
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typedef struct
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{
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lv_cont_ext_t cont; /*Ext. of ancestor*/
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/*New data for this type */
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lv_action_t actions[LV_BTN_ACTION_NUM];
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lv_style_t * styles[LV_BTN_STATE_NUM]; /*Styles in each state*/
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lv_btn_state_t state; /*Current state of the button from 'lv_btn_state_t' enum*/
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int idx;
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#if LV_BTN_INK_EFFECT
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uint16_t ink_in_time; /*[ms] Time of ink fill effect (0: disable ink effect)*/
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uint16_t ink_wait_time; /*[ms] Wait before the ink disappears */
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uint16_t ink_out_time; /*[ms] Time of ink disappearing*/
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#endif
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uint8_t toggle :1; /*1: Toggle enabled*/
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uint8_t long_pr_action_executed :1; /*1: Long press action executed (Handled by the library)*/
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} lv_btn_ext_t;
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/*Styles*/
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enum {
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LV_BTN_STYLE_REL,
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LV_BTN_STYLE_PR,
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LV_BTN_STYLE_TGL_REL,
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LV_BTN_STYLE_TGL_PR,
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LV_BTN_STYLE_INA,
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};
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typedef uint8_t lv_btn_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 button objects
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* @param par pointer to an object, it will be the parent of the new button
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* @param copy pointer to a button object, if not NULL then the new object will be copied from it
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* @return pointer to the created button
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*/
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lv_obj_t * lv_btn_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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* Enable the toggled states. On release the button will change from/to toggled state.
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* @param btn pointer to a button object
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* @param tgl true: enable toggled states, false: disable
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*/
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void lv_btn_set_toggle(lv_obj_t * btn, bool tgl);
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/**
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* Set the state of the button
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* @param btn pointer to a button object
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* @param state the new state of the button (from lv_btn_state_t enum)
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*/
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void lv_btn_set_state(lv_obj_t * btn, lv_btn_state_t state);
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/**
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* Toggle the state of the button (ON->OFF, OFF->ON)
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* @param btn pointer to a button object
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*/
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void lv_btn_toggle(lv_obj_t * btn);
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/**
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* Set a function to call when a button event happens
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* @param btn pointer to a button object
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* @param action type of event form 'lv_action_t' (press, release, long press, long press repeat)
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*/
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void lv_btn_set_action(lv_obj_t * btn, lv_btn_action_t type, lv_action_t action);
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/**
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* Set the layout on a button
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* @param btn pointer to a button object
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* @param layout a layout from 'lv_cont_layout_t'
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*/
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static inline void lv_btn_set_layout(lv_obj_t * btn, lv_layout_t layout)
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{
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lv_cont_set_layout(btn, layout);
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}
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/**
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* Enable the horizontal or vertical fit.
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* The button size will be set to involve the children horizontally or vertically.
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* @param btn pointer to a button object
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* @param hor_en true: enable the horizontal fit
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* @param ver_en true: enable the vertical fit
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*/
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static inline void lv_btn_set_fit(lv_obj_t * btn, bool hor_en, bool ver_en)
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{
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lv_cont_set_fit(btn, hor_en, ver_en);
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}
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/**
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* Set time of the ink effect (draw a circle on click to animate in the new state)
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* @param btn pointer to a button object
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* @param time the time of the ink animation
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*/
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void lv_btn_set_ink_in_time(lv_obj_t * btn, uint16_t time);
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/**
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* Set the wait time before the ink disappears
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* @param btn pointer to a button object
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* @param time the time of the ink animation
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*/
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void lv_btn_set_ink_wait_time(lv_obj_t * btn, uint16_t time);
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/**
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* Set time of the ink out effect (animate to the released state)
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* @param btn pointer to a button object
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* @param time the time of the ink animation
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*/
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void lv_btn_set_ink_out_time(lv_obj_t * btn, uint16_t time);
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/**
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* Set a style of a button.
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* @param btn pointer to button 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_btn_set_style(lv_obj_t * btn, lv_btn_style_t type, lv_style_t *style);
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/*=====================
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* Getter functions
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*====================*/
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/**
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* Get the current state of the button
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* @param btn pointer to a button object
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* @return the state of the button (from lv_btn_state_t enum)
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*/
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lv_btn_state_t lv_btn_get_state(const lv_obj_t * btn);
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/**
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* Get the toggle enable attribute of the button
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* @param btn pointer to a button object
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* @return ture: toggle enabled, false: disabled
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*/
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bool lv_btn_get_toggle(const lv_obj_t * btn);
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/**
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* Get the release action of a button
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* @param btn pointer to a button object
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* @return pointer to the release action function
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*/
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lv_action_t lv_btn_get_action(const lv_obj_t * btn, lv_btn_action_t type);
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/**
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* Get the layout of a button
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* @param btn pointer to button object
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* @return the layout from 'lv_cont_layout_t'
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*/
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static inline lv_layout_t lv_btn_get_layout(const lv_obj_t * btn)
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{
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return lv_cont_get_layout(btn);
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}
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/**
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* Get horizontal fit enable attribute of a button
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* @param btn pointer to a button object
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* @return true: horizontal fit is enabled; false: disabled
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*/
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static inline bool lv_btn_get_hor_fit(const lv_obj_t * btn)
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{
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return lv_cont_get_hor_fit(btn);
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}
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/**
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* Get vertical fit enable attribute of a container
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* @param btn pointer to a button object
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* @return true: vertical fit is enabled; false: disabled
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*/
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static inline bool lv_btn_get_ver_fit(const lv_obj_t * btn)
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{
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return lv_cont_get_ver_fit(btn);
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}
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/**
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* Get time of the ink in effect (draw a circle on click to animate in the new state)
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* @param btn pointer to a button object
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* @return the time of the ink animation
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*/
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uint16_t lv_btn_get_ink_in_time(const lv_obj_t * btn);
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/**
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* Get the wait time before the ink disappears
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* @param btn pointer to a button object
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* @return the time of the ink animation
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*/
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uint16_t lv_btn_get_ink_wait_time(const lv_obj_t * btn);
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/**
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* Get time of the ink out effect (animate to the releases state)
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* @param btn pointer to a button object
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* @return the time of the ink animation
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*/
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uint16_t lv_btn_get_ink_out_time(const lv_obj_t * btn);
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/**
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* Get style of a button.
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* @param btn pointer to button object
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* @param type which style should be get
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* @return style pointer to the style
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* */
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lv_style_t * lv_btn_get_style(const lv_obj_t * btn, lv_btn_style_t type);
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/**********************
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* MACROS
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**********************/
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#endif /*USE_LV_BUTTON*/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /*LV_BTN_H*/
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