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Tyler Chiriboga 6f5d0038ab 3D mouse: find devices on Windows without asking every HID device for its strings (#2614) (#3653)
* claim: #2614 (3D mouse: find devices on Windows without asking every HID device for its strings)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* 3D mouse: find devices on Windows without asking every HID device for its strings (#2614)

On Windows the 3D mouse reader rescanned every two seconds while no 3D
mouse was plugged in, with hidapi's refresh_devices(). hidapi's Windows
enumeration opens every HID interface and reads its serial number,
manufacturer and product strings: on USB, three control requests to
every keyboard, mouse and touchscreen, forever, on a machine without a
3D mouse. That fits the report of an idle machine whose USB keyboard
drops off and returns and whose cursor jumps.

Windows now asks Plug and Play which present HID interfaces are
multi-axis controllers (hardware ID HID_DEVICE_UP:0001_U:0008), which
sends nothing to any device, and opens only those with open_path().
hidapi's own discovery is turned off before the reader makes its one
context, so making it touches no device either. macOS keeps hidapi's
enumeration (IOKit's registry); Linux is unchanged.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* AGENTS.md: list the Plug and Play scan among the files allowed unsafe code (#2614)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

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Co-authored-by: Tyler Chiriboga <18270301+Tyler-Chiriboga@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
Co-authored-by: bherbruck <brennen.herbruck@gmail.com>
2026-10-22 15:44:27 +00:00
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