90 lines
2 KiB
C
90 lines
2 KiB
C
/**
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* @file lv_ctr_indev.c
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*
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*/
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#if 1
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/*********************
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* INCLUDES
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*********************/
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#include "lv_ctr_indev.h"
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#include <3ds.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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/**********************
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* STATIC PROTOTYPES
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**********************/
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static void touchpad_read(lv_indev_t * indev, lv_indev_data_t * data);
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/**********************
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* STATIC VARIABLES
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**********************/
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lv_indev_t * indev_touchpad;
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/**********************
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* MACROS
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**********************/
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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void lv_ctr_indev_init(void)
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{
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/*Register a touch screen input device*/
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indev_touchpad = lv_indev_create();
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lv_indev_set_type(indev_touchpad, LV_INDEV_TYPE_POINTER);
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lv_indev_set_read_cb(indev_touchpad, touchpad_read);
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/*Later you should create group(s) with `lv_group_t * group = lv_group_create()`,
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*add objects to the group with `lv_group_add_obj(group, obj)`
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*and assign this input device to group to navigate in it:
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*`lv_indev_set_group(indev_keypad, group);`*/
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}
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/**********************
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* STATIC FUNCTIONS
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**********************/
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/*------------------
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* Touchpad
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* -----------------*/
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static void touchpad_read(lv_indev_t * indev_drv, lv_indev_data_t * data)
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{
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static int32_t last_x = 0;
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static int32_t last_y = 0;
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touchPosition touch;
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hidScanInput();
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/*Save the pressed coordinates and the state*/
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if(hidKeysHeld() & KEY_TOUCH) {
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hidTouchRead(&touch);
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last_x = touch.px;
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last_y = touch.py;
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data->state = LV_INDEV_STATE_PRESSED;
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}
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else {
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data->state = LV_INDEV_STATE_RELEASED;
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}
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/*Set the last pressed coordinates*/
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data->point.x = last_x;
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data->point.y = last_y;
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}
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#else /*Enable this file at the top*/
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/*This dummy typedef exists purely to silence -Wpedantic.*/
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typedef int keep_pedantic_happy;
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#endif
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