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/**
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* @file lv_spinbox.h
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*
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*/
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#ifndef LV_SPINBOX_H
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#define LV_SPINBOX_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 "liblvgl/lvgl.h"
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#if LV_USE_SPINBOX
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/*Testing of dependencies*/
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#if LV_USE_TEXTAREA == 0
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#error "lv_spinbox: lv_ta is required. Enable it in lv_conf.h (LV_USE_TEXTAREA 1) "
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#endif
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/*********************
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* DEFINES
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*********************/
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#define LV_SPINBOX_MAX_DIGIT_COUNT 10
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/**********************
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* TYPEDEFS
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**********************/
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/*Data of spinbox*/
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typedef struct {
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lv_textarea_t ta; /*Ext. of ancestor*/
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/*New data for this type*/
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int32_t value;
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int32_t range_max;
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int32_t range_min;
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int32_t step;
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uint16_t digit_count : 4;
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uint16_t dec_point_pos : 4; /*if 0, there is no separator and the number is an integer*/
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uint16_t rollover : 1; // Set to true for rollover functionality
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uint16_t digit_step_dir : 2; // the direction the digit will step on encoder button press when editing
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} lv_spinbox_t;
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extern const lv_obj_class_t lv_spinbox_class;
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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/**
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* Create a Spinbox object
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* @param parent pointer to an object, it will be the parent of the new spinbox
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* @return pointer to the created spinbox
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*/
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lv_obj_t * lv_spinbox_create(lv_obj_t * parent);
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/*=====================
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* Setter functions
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*====================*/
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/**
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* Set spinbox value
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* @param obj pointer to spinbox
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* @param i value to be set
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*/
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void lv_spinbox_set_value(lv_obj_t * obj, int32_t i);
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/**
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* Set spinbox rollover function
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* @param obj pointer to spinbox
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* @param b true or false to enable or disable (default)
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*/
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void lv_spinbox_set_rollover(lv_obj_t * obj, bool b);
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/**
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* Set spinbox digit format (digit count and decimal format)
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* @param obj pointer to spinbox
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* @param digit_count number of digit excluding the decimal separator and the sign
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* @param separator_position number of digit before the decimal point. If 0, decimal point is not
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* shown
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*/
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void lv_spinbox_set_digit_format(lv_obj_t * obj, uint8_t digit_count, uint8_t separator_position);
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/**
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* Set spinbox step
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* @param obj pointer to spinbox
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* @param step steps on increment/decrement. Can be 1, 10, 100, 1000, etc the digit that will change.
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*/
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void lv_spinbox_set_step(lv_obj_t * obj, uint32_t step);
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/**
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* Set spinbox value range
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* @param obj pointer to spinbox
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* @param range_min maximum value, inclusive
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* @param range_max minimum value, inclusive
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*/
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void lv_spinbox_set_range(lv_obj_t * obj, int32_t range_min, int32_t range_max);
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/**
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* Set cursor position to a specific digit for edition
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* @param obj pointer to spinbox
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* @param pos selected position in spinbox
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*/
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void lv_spinbox_set_cursor_pos(lv_obj_t * obj, uint8_t pos);
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/**
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* Set direction of digit step when clicking an encoder button while in editing mode
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* @param obj pointer to spinbox
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* @param direction the direction (LV_DIR_RIGHT or LV_DIR_LEFT)
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*/
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void lv_spinbox_set_digit_step_direction(lv_obj_t * obj, lv_dir_t direction);
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/*=====================
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* Getter functions
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*====================*/
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/**
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* Get spinbox rollover function status
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* @param obj pointer to spinbox
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*/
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bool lv_spinbox_get_rollover(lv_obj_t * obj);
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/**
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* Get the spinbox numeral value (user has to convert to float according to its digit format)
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* @param obj pointer to spinbox
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* @return value integer value of the spinbox
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*/
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int32_t lv_spinbox_get_value(lv_obj_t * obj);
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/**
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* Get the spinbox step value (user has to convert to float according to its digit format)
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* @param obj pointer to spinbox
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* @return value integer step value of the spinbox
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*/
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int32_t lv_spinbox_get_step(lv_obj_t * obj);
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/*=====================
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* Other functions
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*====================*/
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/**
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* Select next lower digit for edition by dividing the step by 10
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* @param obj pointer to spinbox
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*/
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void lv_spinbox_step_next(lv_obj_t * obj);
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/**
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* Select next higher digit for edition by multiplying the step by 10
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* @param obj pointer to spinbox
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*/
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void lv_spinbox_step_prev(lv_obj_t * obj);
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/**
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* Increment spinbox value by one step
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* @param obj pointer to spinbox
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*/
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void lv_spinbox_increment(lv_obj_t * obj);
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/**
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* Decrement spinbox value by one step
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* @param obj pointer to spinbox
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*/
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void lv_spinbox_decrement(lv_obj_t * obj);
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/**********************
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* MACROS
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**********************/
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/* It was ambiguous in MicroPython. See https://github.com/lvgl/lvgl/issues/3301
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* TODO remove in v9*/
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#define lv_spinbox_set_pos lv_spinbox_set_cursor_pos
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#endif /*LV_USE_SPINBOX*/
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#ifdef __cplusplus
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} /*extern "C"*/
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#endif
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#endif /*LV_SPINBOX_H*/
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