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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

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Tablet palm rejection (programming.dev)

submitted 7 months ago by GGORG@programming.dev to c/linux@lemmy.ml

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I own a ThinkPad X1 Tablet (Gen 2) - but the only thing that matters is that it is just a tablet with a touchscreen and Wacom pen.

When doing handwriting on it (using Rnote) I become very annoyed, because as soon as the stylus loses the hover signal (only about 1.5 cm) the rest of my hand starts moving the canvas. As I tend to pull the pen far from the paper often this is really an issue.

When using Windows for the first time (with Windows Ink) I remember palm rejection working exceptionally well, even without using the pen - it just magically knows that this is part of my hand and not a finger. Also from what I remember any touch that started while the pen was hovering will not be registered even when the pen gets pulled away (you have to stop touching the screen and then touch it again)

Is there any way to improve the palm rejection on Linux (I'm using Gnome with Wayland btw) By the way, is there a way to scroll with the stylus like on Windows? And are there any good handwriting utilities for Wayland (I've only heard of CellWriter but it doesn't work well at all)?

Thanks!

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[–] RayJW@sh.itjust.works 8 points 7 months ago

I reported basically this issue a few months back with another Lenovo device. Sadly there was no other activity towards resolving this.

Maybe you can bring in some new information if you can confirm, that you have the same issue.

In essence the hover recognition distance greatly reduces when touch input is present causing these jumps to happen with the palm because when writing any lifting off the pen will reactivate touch.