Draft implementation of proper HID input report parsing based on HID descriptor.
2 using System.Runtime.InteropServices;
7 static partial class Function
9 [DllImport("User32.dll", SetLastError = true)]
10 public extern static bool RegisterRawInputDevices(RAWINPUTDEVICE[] pRawInputDevice, uint uiNumDevices, uint cbSize);
12 [DllImport("User32.dll", SetLastError = true)]
13 public extern static uint GetRawInputData(IntPtr hRawInput, uint uiCommand, IntPtr pData, ref uint pcbSize, uint cbSizeHeader);
15 [DllImport("User32.dll", SetLastError=true)]
16 public extern static int GetRawInputDeviceInfo(IntPtr hDevice, uint uiCommand, IntPtr pData, ref uint pcbSize);
20 static partial class Macro
23 /// Retrieves the input code from wParam in WM_INPUT.
24 /// See RIM_INPUT and RIM_INPUTSINK.
26 /// <param name="wParam"></param>
27 /// <returns></returns>
28 public static int GET_RAWINPUT_CODE_WPARAM(IntPtr wParam)
30 return (wParam.ToInt32() & 0xff);
33 public static int GET_APPCOMMAND_LPARAM(IntPtr lParam)
35 return ((short)HIWORD(lParam.ToInt32()) & ~Const.FAPPCOMMAND_MASK);
38 public static int GET_DEVICE_LPARAM(IntPtr lParam)
40 return ((ushort)(HIWORD(lParam.ToInt32()) & Const.FAPPCOMMAND_MASK));
43 public static int HIWORD(int val)
45 return ((val >> 16) & 0xffff);
49 //#define HIWORD(l) ((WORD)((((DWORD_PTR)(l)) >> 16) & 0xffff))
50 //#define LOWORD(l) ((WORD)(((DWORD_PTR)(l)) & 0xffff))
51 //#define LOBYTE(w) ((BYTE)(((DWORD_PTR)(w)) & 0xff))
52 //#define HIBYTE(w) ((BYTE)((((DWORD_PTR)(w)) >> 8) & 0xff))
54 //#define GET_APPCOMMAND_LPARAM(lParam) ((short)(HIWORD(lParam) & ~FAPPCOMMAND_MASK))
55 //#define GET_DEVICE_LPARAM(lParam) ((WORD)(HIWORD(lParam) & FAPPCOMMAND_MASK))
56 //#define GET_MOUSEORKEY_LPARAM GET_DEVICE_LPARAM
57 //#define GET_FLAGS_LPARAM(lParam) (LOWORD(lParam))
58 //#define GET_KEYSTATE_LPARAM(lParam) GET_FLAGS_LPARAM(lParam)
64 static partial class Const
69 public const int WM_KEYDOWN = 0x0100;
70 public const int WM_APPCOMMAND = 0x0319;
71 public const int WM_INPUT = 0x00FF;
74 /// GetRawInputDeviceInfo pData points to a string that contains the device name.
76 public const uint RIDI_DEVICENAME = 0x20000007;
78 /// GetRawInputDeviceInfo For this uiCommand only, the value in pcbSize is the character count (not the byte count).
80 public const uint RIDI_DEVICEINFO = 0x2000000b;
82 /// GetRawInputDeviceInfo pData points to an RID_DEVICE_INFO structure.
84 public const uint RIDI_PREPARSEDDATA = 0x20000005;
88 /// Data comes from a mouse.
90 public const uint RIM_TYPEMOUSE = 0;
92 /// Data comes from a keyboard.
94 public const uint RIM_TYPEKEYBOARD = 1;
96 /// Data comes from an HID that is not a keyboard or a mouse.
98 public const uint RIM_TYPEHID = 2;
100 public const int RID_INPUT = 0x10000003;
101 public const int RID_HEADER = 0x10000005;
104 /// Possible value taken by wParam for WM_INPUT.
106 /// Input occurred while the application was in the foreground. The application must call DefWindowProc so the system can perform cleanup.
108 public const int RIM_INPUT = 0;
110 /// Possible value taken by wParam for WM_INPUT.
112 /// Input occurred while the application was not in the foreground. The application must call DefWindowProc so the system can perform the cleanup.
114 public const int RIM_INPUTSINK = 1;
117 /// If set, the application command keys are handled. RIDEV_APPKEYS can be specified only if RIDEV_NOLEGACY is specified for a keyboard device.
119 public const uint RIDEV_APPKEYS = 0x00000400;
122 /// If set, the mouse button click does not activate the other window.
124 public const uint RIDEV_CAPTUREMOUSE = 0x00000200;
127 /// If set, this enables the caller to receive WM_INPUT_DEVICE_CHANGE notifications for device arrival and device removal.
128 /// Windows XP: This flag is not supported until Windows Vista
130 public const uint RIDEV_DEVNOTIFY = 0x00002000;
133 /// If set, this specifies the top level collections to exclude when reading a complete usage page. This flag only affects a TLC whose usage page is already specified with RIDEV_PAGEONLY.
135 public const uint RIDEV_EXCLUDE = 0x00000010;
138 /// If set, this enables the caller to receive input in the background only if the foreground application does not process it. In other words, if the foreground application is not registered for raw input, then the background application that is registered will receive the input.
139 /// Windows XP: This flag is not supported until Windows Vista
141 public const uint RIDEV_EXINPUTSINK = 0x00001000;
144 /// If set, this enables the caller to receive the input even when the caller is not in the foreground. Note that hwndTarget must be specified.
146 public const uint RIDEV_INPUTSINK = 0x00000100;
149 /// If set, the application-defined keyboard device hotkeys are not handled. However, the system hotkeys; for example, ALT+TAB and CTRL+ALT+DEL, are still handled. By default, all keyboard hotkeys are handled. RIDEV_NOHOTKEYS can be specified even if RIDEV_NOLEGACY is not specified and hwndTarget is NULL.
151 public const uint RIDEV_NOHOTKEYS = 0x00000200;
154 /// If set, this prevents any devices specified by usUsagePage or usUsage from generating legacy messages. This is only for the mouse and keyboard. See Remarks.
156 public const uint RIDEV_NOLEGACY = 0x00000030;
159 /// If set, this specifies all devices whose top level collection is from the specified usUsagePage. Note that usUsage must be zero. To exclude a particular top level collection, use RIDEV_EXCLUDE.
161 public const uint RIDEV_PAGEONLY = 0x00000020;
164 /// If set, this removes the top level collection from the inclusion list. This tells the operating system to stop reading from a device which matches the top level collection.
166 public const uint RIDEV_REMOVE = 0x00000001;
168 public const int APPCOMMAND_BROWSER_BACKWARD = 1;
169 public const int APPCOMMAND_VOLUME_MUTE = 8;
170 public const int APPCOMMAND_VOLUME_DOWN = 9;
171 public const int APPCOMMAND_VOLUME_UP = 10;
172 public const int APPCOMMAND_MEDIA_NEXTTRACK = 11;
173 public const int APPCOMMAND_MEDIA_PREVIOUSTRACK = 12;
174 public const int APPCOMMAND_MEDIA_STOP = 13;
175 public const int APPCOMMAND_MEDIA_PLAY_PAUSE = 14;
176 public const int APPCOMMAND_MEDIA_PLAY = 46;
177 public const int APPCOMMAND_MEDIA_PAUSE = 47;
178 public const int APPCOMMAND_MEDIA_RECORD = 48;
179 public const int APPCOMMAND_MEDIA_FAST_FORWARD = 49;
180 public const int APPCOMMAND_MEDIA_REWIND = 50;
181 public const int APPCOMMAND_MEDIA_CHANNEL_UP = 51;
182 public const int APPCOMMAND_MEDIA_CHANNEL_DOWN = 52;
184 public const int FAPPCOMMAND_MASK = 0xF000;
185 public const int FAPPCOMMAND_MOUSE = 0x8000;
186 public const int FAPPCOMMAND_KEY = 0;
187 public const int FAPPCOMMAND_OEM = 0x1000;
192 [StructLayout(LayoutKind.Sequential, Pack = 1)]
193 internal struct RAWINPUTDEVICE
195 [MarshalAs(UnmanagedType.U2)]
196 public ushort usUsagePage;
197 [MarshalAs(UnmanagedType.U2)]
198 public ushort usUsage;
199 [MarshalAs(UnmanagedType.U4)]
201 public IntPtr hwndTarget;
205 [StructLayout(LayoutKind.Sequential, Pack = 1)]
206 internal struct RAWINPUTHEADER
208 [MarshalAs(UnmanagedType.U4)]
210 [MarshalAs(UnmanagedType.U4)]
212 public IntPtr hDevice;
213 [MarshalAs(UnmanagedType.U4)]
218 [StructLayout(LayoutKind.Sequential, Pack = 1)]
219 internal struct RAWHID
221 [MarshalAs(UnmanagedType.U4)]
222 public uint dwSizeHid;
223 [MarshalAs(UnmanagedType.U4)]
230 [StructLayout(LayoutKind.Sequential, Pack = 1)]
231 internal struct BUTTONSSTR
233 [MarshalAs(UnmanagedType.U2)]
234 public ushort usButtonFlags;
235 [MarshalAs(UnmanagedType.U2)]
236 public ushort usButtonData;
240 [StructLayout(LayoutKind.Explicit, Pack = 1)]
241 internal struct RAWMOUSE
243 [MarshalAs(UnmanagedType.U2)]
245 public ushort usFlags;
246 [MarshalAs(UnmanagedType.U4)]
248 public uint ulButtons;
250 public BUTTONSSTR buttonsStr;
251 [MarshalAs(UnmanagedType.U4)]
253 public uint ulRawButtons;
254 [MarshalAs(UnmanagedType.U4)]
257 [MarshalAs(UnmanagedType.U4)]
260 [MarshalAs(UnmanagedType.U4)]
262 public uint ulExtraInformation;
265 [StructLayout(LayoutKind.Sequential, Pack = 1)]
266 internal struct RAWKEYBOARD
268 [MarshalAs(UnmanagedType.U2)]
269 public ushort MakeCode;
270 [MarshalAs(UnmanagedType.U2)]
272 [MarshalAs(UnmanagedType.U2)]
273 public ushort Reserved;
274 [MarshalAs(UnmanagedType.U2)]
276 [MarshalAs(UnmanagedType.U4)]
278 [MarshalAs(UnmanagedType.U4)]
279 public uint ExtraInformation;
283 [StructLayout(LayoutKind.Explicit, Pack = 1)]
284 internal struct RAWINPUT
287 public RAWINPUTHEADER header;
289 public RAWMOUSE mouse;
291 public RAWKEYBOARD keyboard;
297 [StructLayout(LayoutKind.Sequential, Pack = 1)]
298 internal struct RID_DEVICE_INFO_MOUSE
301 public uint dwNumberOfButtons;
302 public uint dwSampleRate;
303 public bool fHasHorizontalWheel;
307 [StructLayout(LayoutKind.Sequential, Pack = 1)]
308 internal struct RID_DEVICE_INFO_KEYBOARD
311 public uint dwSubType;
312 public uint dwKeyboardMode;
313 public uint dwNumberOfFunctionKeys;
314 public uint dwNumberOfIndicators;
315 public uint dwNumberOfKeysTotal;
318 [StructLayout(LayoutKind.Sequential, Pack = 1)]
319 internal struct RID_DEVICE_INFO_HID
321 public uint dwVendorId;
322 public uint dwProductId;
323 public uint dwVersionNumber;
324 public ushort usUsagePage;
325 public ushort usUsage;
328 [StructLayout(LayoutKind.Explicit, Pack = 1)]
329 internal struct RID_DEVICE_INFO
336 public RID_DEVICE_INFO_MOUSE mouse;
338 public RID_DEVICE_INFO_KEYBOARD keyboard;
340 public RID_DEVICE_INFO_HID hid;