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https://github.com/lvgl/lvgl.git
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116 lines
2.4 KiB
C
116 lines
2.4 KiB
C
/**
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* @file lv_dispi.h
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*
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*/
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#ifndef LV_DISPI_H
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#define LV_DISPI_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 "lv_obj.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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typedef struct
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{
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bool pressed;
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point_t act_point;
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point_t last_point;
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point_t vect;
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point_t vect_sum;
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lv_obj_t * act_obj;
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lv_obj_t * last_obj;
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uint32_t press_time_stamp;
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uint32_t lpr_rep_time_stamp;
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/*Flags*/
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uint8_t drag_range_out :1;
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uint8_t drag_in_prog :1;
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uint8_t long_press_sent :1;
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uint8_t wait_release :1;
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}lv_dispi_t;
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typedef enum
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{
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LV_ACTION_RES_INV = 0, /*Typically indicates that the object is deleted (become invalid) in the action function*/
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LV_ACTION_RES_OK, /*The object is valid (no deleted) after the action*/
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}lv_action_res_t;
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typedef lv_action_res_t ( * lv_action_t) (struct __LV_OBJ_T * obj, lv_dispi_t * dispi);
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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/**
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* Initialize the display input subsystem
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*/
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void lv_dispi_init(void);
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/**
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* Get an array with all the display inputs. Contains (INDEV_NUM elements)
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* @return pointer to a an lv_dispi_t array.
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*/
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lv_dispi_t * lv_dispi_get_array(void);
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/**
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* Reset all display inputs
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*/
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void lv_dispi_reset(void);
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/**
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* Reset the long press state of a display input
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* @param dispi pointer to a display input
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*/
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void lv_dispi_reset_lpr(lv_dispi_t * dispi);
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/**
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* Get the last point on display input
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* @param dispi pointer to a display input
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* @param point pointer to a point to store the result
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*/
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void lv_dispi_get_point(lv_dispi_t * dispi, point_t * point);
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/**
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* Check if there is dragging on display input or not
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* @param dispi pointer to a display input
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* @return true: drag is in progress
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*/
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bool lv_dispi_is_dragging(lv_dispi_t * dispi);
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/**
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* Get the vector of dragging on a display input
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* @param dispi pointer to a display input
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* @param point pointer to a point to store the vector
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*/
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void lv_dispi_get_vect(lv_dispi_t * dispi, point_t * point);
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/**
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* Do nothing until the next release
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* @param dispi pointer to a display input
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*/
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void lv_dispi_wait_release(lv_dispi_t * dispi);
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/**********************
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* MACROS
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**********************/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /*LV_DISPI_H*/
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