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