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Touchpad: "keyup" is fired when no keyup happens
Reported by
ivan.kuc...@gmail.com,
Jan 20 2018
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Issue descriptionUserAgent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36 Steps to reproduce the problem: 1. Go to https://jsfiddle.net/tk4s9y4o/ 2. Press Alt, put two fingers on the touchpad, move them and put them away (while still holding Alt) What is the expected behavior? As soon as your fingers leave touchpad, Chrome fires the "keyup" event with key:"Alt" What went wrong? The "keyup" should not be fired until some key is released. Did this work before? N/A Chrome version: 63.0.3239.132 Channel: stable OS Version: 6.1 (Windows 7, Windows Server 2008 R2) Flash Version: Shockwave Flash 28.0 r0
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Jan 22 2018
Unable to reproduce this issue on reported version 63.0.3239.132 using windows 10 with steps mentioned below. 1. Navigated to https://jsfiddle.net/tk4s9y4o/ and opened devtools console. 2. Clicked inside white are and pressed ALT, Placed two fingers on touchpad and moved, released two fingers and didn't observe any keyup event. 3. Now un-pressed ALT and observed one Keyboard event in console. Attaching screencast for reference. @Reporter: Could you please check the video and let us know if we miss anything. This would help in further triaging of the issue. Thanks!
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Jan 22 2018
You made a mistake in step 2. : you have to move your fingers on a touchpad at least a bit before releasing them (not just put and release). BTW. it could be some Windows- or Windows7-, or maybe even Lenovo-related problem :(
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Jan 22 2018
Thank you for providing more feedback. Adding requester "sc00335628@techmahindra.com" to the cc list and removing "Needs-Feedback" label. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Jan 25 2018
I've tried this on a Windows 10 Surface book as well and it appears to work fine. This is likely some software that is doing gestures via installed apps/drivers. The key events come from the OS so I doubt there is much we can do. Do you have any additional software installed that does gesture recognition on the laptop?
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Jan 25 2018
I have a ThinkPad UltraNav driver, from Alps Electric. It works the same in Firefox, too, so I guess it is not your fault. You can close it now.
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Jan 25 2018
Thank you for providing more feedback. Adding requester "dtapuska@chromium.org" to the cc list and removing "Needs-Feedback" label. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Jan 25 2018
Closing as per #6
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Feb 8 2018
The NextAction date has arrived: 2018-02-08 |
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Comment 1 by tkent@chromium.org
, Jan 21 2018