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Issue 784329 link

Starred by 4 users

Issue metadata

Status: Unconfirmed
Owner: ----
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 2
Type: Bug



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Touchpad scroll behaves as arrow keys

Reported by vladisla...@gmail.com, Nov 13 2017

Issue description

UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; ldg-vk) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36 Edge/16.16299

Steps to reproduce the problem:
1. Scroll with two finger scrolling gesture on the trackpad

What is the expected behavior?
The window should scroll without affecting the selected line of text.

What went wrong?
You can see the selected line moving. If scrolling up, the window scrolls when the line reaches the top. It does the same for scrolling down - the active/selected line moves down, reaches the bottom edge end then the window scrolls.

Did this work before? N/A 

Chrome version: 62.0.3202.89  Channel: stable
OS Version: 10.0
Flash Version: 

Touchpad: ELAN Smart-Pad, Driver Version: 11.4.92.1_X64_WHQL
Normal Logitech mouse works as expected.

This was reported as a bug to the Visual Studio Core team who then forwarded us to you

https://github.com/Microsoft/vscode/issues/38085#issuecomment-343889482
https://github.com/Microsoft/vscode/issues/17476
https://github.com/Microsoft/vscode/issues/34677
 
Components: -UI Internals>Input>Touch>Pad
Labels: Needs-Triage-M62
Cc: vamshi.k...@techmahindra.com
Labels: Triaged-ET Needs-Feedback
"Checked the issue on Microsoft Surface pro, We are able to scroll with the help of touchpad using two fingers without affecting the selected line of text.

@Reporter: Could you please check the same in a new profile and let us know if the issue is still seen.

Thanks!"
I will check and get back to you.
I am very far from the thought that the problem is with ALL touchpads, that is why I gave mine (the laptop is Lenovo Y700). If you could:
a) get your hands on one and test and see if the driver is at fault
b) tell me how can I provide more info or check for myself
I would be very happy to assist.
Project Member

Comment 4 by sheriffbot@chromium.org, Nov 14 2017

Labels: -Needs-Feedback
Thank you for providing more feedback. Adding requester "vamshi.kommuri@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
Guys, just saw that I wrote - Visual Studio CORE - it should read Visual Studio CODE team :) I'm sorry.
Hi guys,

I tested with another user - same result.
I checked for a new driver for my touchpad, it is the latest version, and it was very recently released: 

https://pcsupport.lenovo.com/si/en/products/laptops-and-netbooks/ideapad-y-series-laptops/y700-touch-15isk/80nw/downloads?linkTrack=Caps%3ABody_SearchProduct&searchType=4&keyWordSearch=Y700%2520Touch-15ISK%2520Laptop%2520%2528ideapad%2529%2520-%2520Type%252080NW

I will try and find an older version and try with it. What bugs me is that I tested the Monaco editor (the one used in VS Code) in Chrome and it didn't exhibit the same behavior.

That is why I am offering to do debugging for you on my machine, I just need instructions on what to look for. I have some experience in desktop/COM development.
Labels: TE-NeedsTriageFromMTV TE-Hardware-Dependency
As per comment #3, the issue need to be tested in Lenovo Y700 touchpad laptop and the device is not available with TE-hyd team. Hence, adding label TE-Hardware-Dependency.
Also adding label TE-NeedsTriageFromMTV, and requesting someone from MTV team to please have a look into the issue if that particular device is available there.

Thanks...!!
Maybe you need just the ELAN touchpad, not the whole laptop. I think its not just in my laptop, maybe their driver is the same for all models.

Comment 9 by da...@sheiles.com, Dec 19 2017

I'm experiencing the same issue with VSCode with a Lenovo with an ELAN Touchpad.

Comment 10 by sugar...@gmail.com, Apr 15 2018

Same issue on a Lenovo Yoga laptop with ELAN touchpad.
The same issue Lenovo y720 :(

Same issue with Lenovo Y520, any fix? :(

Comment 13 Deleted

Also happens on Lenovo Yoga 710. The issue appears to be with how the ELAN drivers are passing commands to chromium. This affects apps that run on Electron (Slack and VS Code for me), but not Chrome as a browser which I assumed would also have the same issues from Chromium.
I'm also encountering this on an HP EliteBook in VS Code.
Lenovo LEGION Y520-15IKBN. ELAN touchpad. Coming from VS Code issue. Using the touchpad a lot and would truly appreciate a fix!

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