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#Lines |
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| .. | | - | - |
| build-aux/ | | 22-Mar-2025 | - | 17,143 | 12,798 |
| doc/ | | 22-Mar-2025 | - | 30,644 | 28,987 |
| export_include/libevdev/ | | 22-Mar-2025 | - | 2,376 | 147 |
| include/ | | 22-Mar-2025 | - | 3,565 | 2,754 |
| libevdev/ | | 22-Mar-2025 | - | 6,781 | 3,420 |
| m4/ | | 22-Mar-2025 | - | 9,376 | 8,468 |
| patch/ | | 22-Mar-2025 | - | 162 | 120 |
| test/ | | 22-Mar-2025 | - | 8,016 | 6,444 |
| tools/ | | 22-Mar-2025 | - | 2,264 | 1,922 |
| .gitattributes | D | 22-Mar-2025 | 631 | 16 | 15 |
| BUILD.gn | D | 22-Mar-2025 | 678 | 43 | 31 |
| COPYING | D | 22-Mar-2025 | 1.5 KiB | 33 | 25 |
| Makefile.am | D | 22-Mar-2025 | 386 | 12 | 9 |
| Makefile.in | D | 22-Mar-2025 | 28.8 KiB | 913 | 813 |
| OAT.xml | D | 22-Mar-2025 | 6.4 KiB | 95 | 39 |
| README.OpenSource | D | 22-Mar-2025 | 530 | 12 | 11 |
| README.md | D | 22-Mar-2025 | 867 | 22 | 15 |
| README_zh.md | D | 22-Mar-2025 | 2.8 KiB | 90 | 68 |
| aclocal.m4 | D | 22-Mar-2025 | 67.2 KiB | 1,845 | 1,675 |
| bundle.json | D | 22-Mar-2025 | 1.4 KiB | 48 | 48 |
| config.h.in | D | 22-Mar-2025 | 4.8 KiB | 176 | 145 |
| configure | D | 22-Mar-2025 | 474.3 KiB | 16,308 | 13,671 |
| configure.ac | D | 22-Mar-2025 | 4.4 KiB | 178 | 153 |
| libevdev.pc.in | D | 22-Mar-2025 | 227 | 11 | 9 |
| meson.build | D | 22-Mar-2025 | 9.1 KiB | 299 | 264 |
| meson_options.txt | D | 22-Mar-2025 | 370 | 13 | 12 |
README.OpenSource
README_zh.md
1# libevdev - wrapper library for evdev input devices
2
3libevdev是evdev设备的包装库。它将处理evdev设备时的常见任务移动到库中,并向调用方提供库接口,从而避免错误的ioctl等。
4
5最终目标是libevdev包装了evdev设备可用的所有ioctl,因此不需要直接访问。
6
7
8## 目录结构
9
10```
11README.md 英文说明
12README_zh.md 中文说明
13export_include/libevdev/ API定义
14include/ 引用头文件
15libevdev/ 封装层实现
16README.OpenSource 开源说明
17```
18
19## OpenHarmony如何集成libevdev
20### 1.头文件引入
21```c
22#define EVDEV_H
23#include <libevdev/libevdev.h>
24```
25### 2.BUILD.gn添加引用
26```c
27public_deps += ["//third_party/libevdev:libevdev"]
28```
29### 3.调用libevdev函数过程举例
30```c
31// 下面是一个简单的示例,展示了如何使用libevdev。此示例打开一个设备,检查相对坐标和鼠标左键,如果找到,则监听设备并打印输入事件
32
33// 打开一个输入设备
34struct libevdev *dev = NULL;
35int fd;
36int rc = 1;
37
38fd = open("/dev/input/event0", O_RDONLY|O_NONBLOCK);
39rc = libevdev_new_from_fd(fd, &dev);
40if (rc < 0) {
41 fprintf(stderr, "Failed to init libevdev (%s)\n", strerror(-rc));
42 exit(1);
43}
44// 打印输入设备信息
45printf("Input device name: \"%s\"\n", libevdev_get_name(dev));
46printf("Input device ID: bus %#x vendor %#x product %#x\n",
47 libevdev_get_id_bustype(dev),
48 libevdev_get_id_vendor(dev),
49 libevdev_get_id_product(dev));
50// 检查相对坐标和鼠标左键
51if (!libevdev_has_event_type(dev, EV_REL) ||
52 !libevdev_has_event_code(dev, EV_KEY, BTN_LEFT)) {
53 printf("This device does not look like a mouse\n");
54 exit(1);
55}
56
57 // 监听该设备并打印输入事件
58do {
59 struct input_event ev;
60 rc = libevdev_next_event(dev, LIBEVDEV_READ_FLAG_NORMAL, &ev);
61 if (rc == 0)
62 printf("Event: %s %s %d\n",
63 libevdev_event_type_get_name(ev.type),
64 libevdev_event_code_get_name(ev.type, ev.code),
65 ev.value);
66} while (rc == 1 || rc == 0 || rc == -EAGAIN);
67```
68
69## libevdev使用文档
70
71代码仓库 https://gitlab.freedesktop.org/libevdev/libevdev.git
72
73API官方文档 http://www.freedesktop.org/software/libevdev/doc/latest/
74
75API详细定义 https://www.freedesktop.org/software/libevdev/doc/latest/libevdev_8h.html
76
77补丁包 https://gitlab.freedesktop.org/libevdev/libevdev/merge_requests/
78
79Bug上报 https://gitlab.freedesktop.org/libevdev/libevdev/issues/
80
81问题反馈 http://lists.freedesktop.org/mailman/listinfo/input-tools
82
83
84## License
85
86见 [LICENSE](MITLicense).
87
88---
89
90