blob: 95ab1544c89c18d48e24f1d932d4b26022f1f187 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/**
* @file lv_evdev.h
*
*/
#ifndef LV_EVDEV_H
#define LV_EVDEV_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include "../../indev/lv_indev.h"
#if LV_USE_EVDEV
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* Create evdev input device.
* @param type LV_INDEV_TYPE_POINTER or LV_INDEV_TYPE_KEYPAD
* @param dev_path device path, e.g., /dev/input/event0
* @return pointer to input device or NULL if opening failed
*/
lv_indev_t * lv_evdev_create(lv_indev_type_t indev_type, const char * dev_path);
/**
* Set whether coordinates of pointer device should be swapped. Defaults to
* false.
* @param indev evdev input device
* @param swap_axes whether to swap x and y axes
*/
void lv_evdev_set_swap_axes(lv_indev_t * indev, bool swap_axes);
/**
* Configure a coordinate transformation for pointer devices. Applied after
* axis swap, if any. Defaults to apply no transformation.
* @param indev evdev input device
* @param min_x pointer coordinate mapped to min x of display
* @param min_y pointer coordinate mapped to min y of display
* @param max_x pointer coordinate mapped to max x of display
* @param max_y pointer coordinate mapped to max y of display
*/
void lv_evdev_set_calibration(lv_indev_t * indev, int min_x, int min_y, int max_x, int max_y);
/**
* Remove evdev input device.
* @param indev evdev input device to close and free
*/
void lv_evdev_delete(lv_indev_t * indev);
#endif /*LV_USE_EVDEV*/
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*LV_EVDEV_H*/
|
