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Starred by 2 users

Issue metadata

Status: Untriaged
Owner: ----
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows , Mac
Pri: 3
Type: Bug



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Unwanted scroll when clicking on webkit-scrollbar background

Reported by oleg...@gmail.com, Jul 17 2017

Issue description

UserAgent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 YaBrowser/17.6.1.749 Yowser/2.5 Safari/537.36

Steps to reproduce the problem:
'margin' property on -webkit-scrollbar-track pseudo-element may produce empty space between scrollbar button and track. When clicking on this space either above or below (vertical scrollbar) track, block is scrolled one page down.

What is the expected behavior?
Clicks outside webkit-scrollbar elements (thumb, track, buttons) should be ignored.

What went wrong?
Click on webkit-scrollbar background causes scroll position increment by one page.

Did this work before? N/A 

Does this work in other browsers? Yes

Chrome version: 61.0.3153.2  Channel: stable
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: Shockwave Flash 26.0 r0
 
WebKit Scrollbars.html
23.0 KB View Download
Labels: Needs-Bisect M-61
Cc: pnangunoori@chromium.org
Labels: -Needs-Bisect OS-Linux OS-Mac
Status: Untriaged (was: Unconfirmed)
Tested on Chrome Stable #59.0.3071.115, Canary #61.0.3161.0 on Windows 10 and able to reproduce the issue. 

This is a non-regression issue and able to reproduce from M-45 #45.0.2454.85. Marking it as untriaged so that issue gets addressed.

Observations - Issue is also noticed on Mac 10.12.5 and Ubuntu 14.04.

Thanks.

Comment 3 by bokan@chromium.org, Jul 20 2017

Labels: -Hotlist-Interop Hotlist-Input-Dev
Status: Available (was: Untriaged)
That is indeed quite weird. However, this is unlikely to be a priority as Safari behaves the same way and Firefox/Edge don't support custom scrollbars. 

Comment 4 by sahel@chromium.org, Jan 18 2018

Cc: chaopeng@chromium.org
Labels: -Pri-2 Pri-3
Still reproducible on both Chrome and Safari.

chaopeng@ could you please take a look since you've fixed some scrollbar related bugs previously?

Project Member

Comment 5 by sheriffbot@chromium.org, Jan 21 (2 days ago)

Labels: Hotlist-Recharge-Cold
Status: Untriaged (was: Available)
This issue has been Available for over a year. If it's no longer important or seems unlikely to be fixed, please consider closing it out. If it is important, please re-triage the issue.

Sorry for the inconvenience if the bug really should have been left as Available.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

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