Atlas - SDL_udev.h
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1/*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2018 Sam Lantinga <[email protected]>
4
5  This software is provided 'as-is', without any express or implied
6  warranty.  In no event will the authors be held liable for any damages
7  arising from the use of this software.
8
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12
13  1. The origin of this software must not be misrepresented; you must not
14     claim that you wrote the original software. If you use this software
15     in a product, an acknowledgment in the product documentation would be
16     appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18     misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20*/
21
22#include "../../SDL_internal.h"
23
24#ifndef SDL_udev_h_
25#define SDL_udev_h_
26
27#if HAVE_LIBUDEV_H
28
29#ifndef SDL_USE_LIBUDEV
30#define SDL_USE_LIBUDEV 1
31#endif
32
33#include "SDL_loadso.h"
34#include "SDL_events.h"
35#include <libudev.h>
36#include <sys/time.h>
37#include <sys/types.h>
38
39/**
40 *  \brief Device type
41 */
42
43typedef enum
44{
45    SDL_UDEV_DEVICEADDED = 1,
46    SDL_UDEV_DEVICEREMOVED
47} SDL_UDEV_deviceevent;
48
49/* A device can be any combination of these classes */
50typedef enum
51{
52    SDL_UDEV_DEVICE_UNKNOWN     = 0x0000,
53    SDL_UDEV_DEVICE_MOUSE       = 0x0001,
54    SDL_UDEV_DEVICE_KEYBOARD    = 0x0002,
55    SDL_UDEV_DEVICE_JOYSTICK    = 0x0004,
56    SDL_UDEV_DEVICE_SOUND       = 0x0008,
57    SDL_UDEV_DEVICE_TOUCHSCREEN = 0x0010
58} SDL_UDEV_deviceclass;
59
60typedef void (*SDL_UDEV_Callback)(SDL_UDEV_deviceevent udev_type, int udev_class, const char *devpath);
61
62typedef struct SDL_UDEV_CallbackList {
63    SDL_UDEV_Callback callback;
64    struct SDL_UDEV_CallbackList *next;
65} SDL_UDEV_CallbackList;
66
67typedef struct SDL_UDEV_PrivateData
68{
69    const char *udev_library;
70    void *udev_handle;
71    struct udev *udev;
72    struct udev_monitor *udev_mon;
73    int ref_count;
74    SDL_UDEV_CallbackList *first, *last;
75    
76    /* Function pointers */
77    const char *(*udev_device_get_action)(struct udev_device *);
78    const char *(*udev_device_get_devnode)(struct udev_device *);
79    const char *(*udev_device_get_subsystem)(struct udev_device *);
80	struct udev_device *(*udev_device_get_parent_with_subsystem_devtype)(struct udev_device *udev_device, const char *subsystem, const char *devtype);
81    const char *(*udev_device_get_property_value)(struct udev_device *, const char *);
82	const char *(*udev_device_get_sysattr_value)(struct udev_device *udev_device, const char *sysattr);
83    struct udev_device *(*udev_device_new_from_syspath)(struct udev *, const char *);
84    void (*udev_device_unref)(struct udev_device *);
85    int (*udev_enumerate_add_match_property)(struct udev_enumerate *, const char *, const char *);
86    int (*udev_enumerate_add_match_subsystem)(struct udev_enumerate *, const char *);
87    struct udev_list_entry *(*udev_enumerate_get_list_entry)(struct udev_enumerate *);
88    struct udev_enumerate *(*udev_enumerate_new)(struct udev *);
89    int (*udev_enumerate_scan_devices)(struct udev_enumerate *);
90    void (*udev_enumerate_unref)(struct udev_enumerate *);
91    const char *(*udev_list_entry_get_name)(struct udev_list_entry *);
92    struct udev_list_entry *(*udev_list_entry_get_next)(struct udev_list_entry *);
93    int (*udev_monitor_enable_receiving)(struct udev_monitor *);
94    int (*udev_monitor_filter_add_match_subsystem_devtype)(struct udev_monitor *, const char *, const char *);
95    int (*udev_monitor_get_fd)(struct udev_monitor *);
96    struct udev_monitor *(*udev_monitor_new_from_netlink)(struct udev *, const char *);
97    struct udev_device *(*udev_monitor_receive_device)(struct udev_monitor *);
98    void (*udev_monitor_unref)(struct udev_monitor *);
99    struct udev *(*udev_new)(void);
100    void (*udev_unref)(struct udev *);
101    struct udev_device * (*udev_device_new_from_devnum)(struct udev *udev, char type, dev_t devnum);
102    dev_t (*udev_device_get_devnum) (struct udev_device *udev_device);
103} SDL_UDEV_PrivateData;
104
105extern int SDL_UDEV_Init(void);
106extern void SDL_UDEV_Quit(void);
107extern void SDL_UDEV_UnloadLibrary(void);
108extern int SDL_UDEV_LoadLibrary(void);
109extern void SDL_UDEV_Poll(void);
110extern void SDL_UDEV_Scan(void);
111extern int SDL_UDEV_AddCallback(SDL_UDEV_Callback cb);
112extern void SDL_UDEV_DelCallback(SDL_UDEV_Callback cb);
113
114
115
116
117#endif /* HAVE_LIBUDEV_H */
118
119#endif /* SDL_udev_h_ */
120
121/* vi: set ts=4 sw=4 expandtab: */
122
[FILE END]
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