mirror of
https://github.com/suchmememanyskill/TegraExplorer.git
synced 2024-11-13 23:46:42 +00:00
201 lines
4.9 KiB
C
201 lines
4.9 KiB
C
/**
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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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#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_SPINBOX != 0
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/*Testing of dependencies*/
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#if USE_LV_TA == 0
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#error "lv_spinbox: lv_ta is required. Enable it in lv_conf.h (USE_LV_TA 1) "
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#endif
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#include "../lv_core/lv_obj.h"
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#include "../lv_objx/lv_ta.h"
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/*********************
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* DEFINES
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*********************/
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#define LV_SPINBOX_MAX_DIGIT_COUNT 16
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/**********************
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* TYPEDEFS
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**********************/
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/*callback on value change*/
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typedef void (*lv_spinbox_value_changed_cb_t)(lv_obj_t * spinbox, int32_t new_value);
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/*Data of spinbox*/
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typedef struct {
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lv_ta_ext_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 digit_padding_left:4;
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lv_spinbox_value_changed_cb_t value_changed_cb;
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} lv_spinbox_ext_t;
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/*Styles*/
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enum {
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LV_SPINBOX_STYLE_BG,
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LV_SPINBOX_STYLE_SB,
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LV_SPINBOX_STYLE_CURSOR,
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};
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typedef uint8_t lv_spinbox_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 spinbox objects
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* @param par pointer to an object, it will be the parent of the new spinbox
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* @param copy pointer to a spinbox object, if not NULL then the new object will be copied from it
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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 * 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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* Set a style of a spinbox.
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* @param templ pointer to template 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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static inline void lv_spinbox_set_style(lv_obj_t * spinbox, lv_spinbox_style_t type, lv_style_t *style)
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{
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lv_ta_set_style(spinbox, type, style);
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}
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/**
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* Set spinbox value
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* @param spinbox 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 * spinbox, int32_t i);
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/**
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* Set spinbox digit format (digit count and decimal format)
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* @param spinbox 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 shown
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*/
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void lv_spinbox_set_digit_format(lv_obj_t * spinbox, uint8_t digit_count, uint8_t separator_position);
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/**
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* Set spinbox step
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* @param spinbox pointer to spinbox
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* @param step steps on increment/decrement
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*/
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void lv_spinbox_set_step(lv_obj_t * spinbox, uint32_t step);
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/**
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* Set spinbox value range
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* @param spinbox 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 * spinbox, int32_t range_min, int32_t range_max);
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/**
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* Set spinbox callback on calue change
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* @param spinbox pointer to spinbox
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* @param cb Callback function called on value change event
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*/
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void lv_spinbox_set_value_changed_cb(lv_obj_t * spinbox, lv_spinbox_value_changed_cb_t cb);
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/**
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* Set spinbox left padding in digits count (added between sign and first digit)
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* @param spinbox pointer to spinbox
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* @param cb Callback function called on value change event
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*/
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void lv_spinbox_set_padding_left(lv_obj_t * spinbox, uint8_t padding);
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/*=====================
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* Getter functions
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*====================*/
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/**
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* Get style of a spinbox.
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* @param templ pointer to template 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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static inline lv_style_t * lv_spinbox_get_style(lv_obj_t * spinbox, lv_spinbox_style_t type)
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{
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return lv_ta_get_style(spinbox, type);
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}
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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 spinbox 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 * spinbox);
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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 spinbox pointer to spinbox
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*/
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void lv_spinbox_step_next(lv_obj_t * spinbox);
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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 spinbox pointer to spinbox
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*/
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void lv_spinbox_step_previous(lv_obj_t * spinbox);
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/**
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* Increment spinbox value by one step
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* @param spinbox pointer to spinbox
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*/
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void lv_spinbox_increment(lv_obj_t * spinbox);
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/**
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* Decrement spinbox value by one step
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* @param spinbox pointer to spinbox
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*/
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void lv_spinbox_decrement(lv_obj_t * spinbox);
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/**********************
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* MACROS
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**********************/
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#endif /*USE_LV_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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