C++ Dev Input Event
- Dev-open and dev-close¶ In case the driver has to repeatedly poll the device, because it doesn’t have an interrupt coming from it and the polling is too expensive to be done all the time, or if the device uses a valuable resource (eg. Interrupt), it can use the open and close callback to know when it can stop polling or release the interrupt and when it must resume polling.
- Mar 01, 2009 readEventLine(input, data); Note though that the result will be in terms of the physical key codes (not ascii), so you'll have to map them to ascii. Btw, sometimes for some reason you'll have to use event1 instead of 0.
- Tutorial ¶ Listing accessible. Grab # become the sole recipient of all incoming input events dev. Ungrab This functionality is also available as a.
- Decoding Key Values from /dev/input/eventx in C closed Ask Question. Browse other questions tagged c devices input-devices events ascii or ask your own question.
Test program of reading /dev/input/event. GitHub Gist: instantly share code, notes, and snippets. Apr 21, 2017 /dev/input – The input is a subdirectory that holds the device files for various input devices such as mouse, keyboard, joystick and so on. This is a screenshot of my input directory and as you can see there is the mice/mouse0/mouse1 which are files corresponding to the touchpad/wired mouse/wireless mouse respectively.
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Used by SendInput to store information for synthesizing input events such as keystrokes, mouse movement, and mouse clicks.
Syntax
Members
type
Type: DWORD
The type of the input event. This member can be one of the following values.
Value | Meaning |
---|---|
| The event is a mouse event. Use the mi structure of the union. |
| The event is a keyboard event. Use the ki structure of the union. |
| The event is a hardware event. Use the hi structure of the union. |
DUMMYUNIONNAME
DUMMYUNIONNAME.mi
Type: MOUSEINPUT
The information about a simulated mouse event.
DUMMYUNIONNAME.ki

Type: KEYBDINPUT
The information about a simulated keyboard event.
C Dev Input Event Calendar
DUMMYUNIONNAME.hi
Type: HARDWAREINPUT
The information about a simulated hardware event.
Remarks
INPUT_KEYBOARD supports nonkeyboard input methods, such as handwriting recognition or voice recognition, as if it were text input by using the KEYEVENTF_UNICODE flag. For more information, see the remarks section of KEYBDINPUT.
Requirements
Minimum supported client | Windows 2000 Professional [desktop apps only] |
Minimum supported server | Windows 2000 Server [desktop apps only] |
Header | winuser.h (include Windows.h) |
See also
Conceptual
Reference
-->Contains the raw input from a device.
Syntax
Members
header
Type: RAWINPUTHEADER
The raw input data.
data
data.mouse
Type: RAWMOUSEIf the data comes from a mouse, this is the raw input data.
data.keyboard
Type: RAWKEYBOARDIf the data comes from a keyboard, this is the raw input data.
data.hid
Type: RAWHIDIf the data comes from an HID, this is the raw input data.
Remarks
The handle to this structure is passed in the lParam parameter of WM_INPUT.
To get detailed information -- such as the header and the content of the raw input -- call GetRawInputData.
To read the RAWINPUT in the message loop as a buffered read, call GetRawInputBuffer.
To get device specific information, call GetRawInputDeviceInfo with the hDevice from RAWINPUTHEADER.
Raw input is available only when the application calls RegisterRawInputDevices with valid device specifications.
Requirements
Minimum supported client | Windows XP [desktop apps only] |
Minimum supported server | Windows Server 2003 [desktop apps only] |
Header | winuser.h (include Windows.h) |
See also
How To Read /dev/input/event
Conceptual
/dev/input/event C++
Reference