Touchpad button generates extra events
Reported by
jjtu...@gmail.com,
Jul 13
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Issue descriptionUserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36 Steps to reproduce the problem: 1. Move mouse inside black box 2. Click by touchpad physical button What is the expected behavior? mousedown, mouseup and mouseclick events should be raised What went wrong? mouseenter, mousedown, mouseup, mouseclick and mouseleave events been generated (in this order). Did this work before? No Does this work in other browsers? Yes Chrome version: 67.0.3396.99 Channel: stable OS Version: 10.0 Flash Version: This bug only occurs on some notebooks (i.e. dell precision 3510) and only in chrome on windows. I tested FF and it is not present there. I also tested chrome on ubuntu (using VirtualBox) and the bug was not present. Bug only occurs when clicking by touchpad physical button. When using mouse, everything is fine. Also when raising event by taping inside touchpad, no bug is present. Only when physical hardware buttons at the bottom of touchpad are used. There is a SO question describing this problem with some hints on how to hack the buggy behaviour https://stackoverflow.com/questions/29628936/chrome-tapping-on-touchpad-fires-mouseleave In attached gif you can see that, at first I clicked using mouse and only 3 events were raised. But then I clicked using touchpad button and extra mouseleave event was raised. Then again I clicked using touchpad button and extra mouseenter and mouseleave events were raised. When I then moved my mouse another mouseenter event was raised. It does look to me as if browser thinks touchpad physical button is different pointing device and thats why it first generates mouseenter (to get the new pointing device at the position), then down,up,click events are generated and mouseleave at the end (to get away new pointing device). But this is only hypothesis.
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Jul 15
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Jul 16
Able to reproduce the issue on chrome reported version# 67.0.3396.99 and latest chrome# 69.0.3492.0 using Mac 10.12.6, Ubuntu 14.04 and Windows-10 with jsfiddle provided in comment#1. This issue is seen from M-60(60.0.3112.0), hence considering this issue as Non-Regression and marking it as Untriaged. Thanks!
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Jul 19
viswa.karala@ how did you repro this on Mac. I'm testing on Mac and click for a little while and couldn't get it to reproduce. I can see the original bug say physical key on the track pad but Mac doesn't have such thing. So I was wondering whether you were able to repro the issue with the normal touch pad click.
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Jul 19
I also tried on Dell XPS13 and can not reproduce.
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Jul 26
Closing this for now as there wasn't any response from the reporter. Reporter feel free to comment here or file a new bug f you have the information requested here. Mainly whether you can see the same issue on other devices or not.
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Jul 27
Hello nzolghadr, Im the reporter and I described in first message that this bug only occurs on some notebooks. I have dell precision 3510, my colleague has dell precision m2800 and he can see the bug too. I understand it is difficult to test/debug if your notebook doesnt suffer from the bug, but please do not close the issue. Is is possible to find some developer with dell notebook (precision 3510/m2800) and assign the ticket to him/her? |
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Comment 1 by jjtu...@gmail.com
, Jul 13