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Issue metadata

Status: Assigned
Owner:
Cc:
Components:
EstimatedDays: ----
NextAction: 2017-08-31
OS: Linux
Pri: 3
Type: Bug-Regression



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Settings scrollable area is slightly wider than viewport

Reported by real...@gmail.com, Aug 2 2017

Issue description

UserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.25 Safari/537.36

Steps to reproduce the problem:
1. Open settings window
2. Optionally expand the Advanced section 
3. Scroll with a touchpad with sideways scrolling enabled (requires Wayland if using GNOME)

What is the expected behavior?
The viewport should scroll vertically without any sideways movement.

What went wrong?
The viewport wobbles rapidly from side to side by about half a centimeter. It's very unpleasant.

Did this work before? Yes Not sure, but Chromium 59.0.3071.104 is also affected

Chrome version: 61.0.3163.25  Channel: dev
OS Version: Debian unstable
Flash Version: Shockwave Flash 24.0 r0

The design of the settings window seems to have changed recently, that's probably what caused the problem. This is a hidpi display, that might be a factor.
 
Cc: pbomm...@chromium.org
Labels: TE-NeedsTriageFromMTV
As we don't have above mentioned setup with us, passing this issue to MTV.

Thanks!!
Cc: dtapu...@chromium.org
Components: -UI Internals>Input>Touch>Screen Blink>Scroll
@dtapuska: Could you please look in to this issue.

Thank You!

Comment 4 by bokan@chromium.org, Aug 17 2017

Cc: bokan@chromium.org
Labels: Needs-Feedback
NextAction: 2017-08-31
I can't reproduce in 62.0.3178.0 nor 60.0.3112.101. Is there a horizontal scrollbar? Could you attach a screen recording (or at minimum a screenshot) to confirm I'm looking in the right place.
The NextAction date has arrived: 2017-08-31

Comment 6 by real...@gmail.com, Aug 31 2017

Sorry, I thought I'd already uploaded a screencast; I must have got side-tracked.

There is no horizontal scrollbar BTW. And I just thought to try it with the window not maximised (I usually use it maximised, as seen in the video), and full-screen; the problem occurs in all cases.

I sort of only mentioned Wayland in-passing before, so I should expand on that. This only happens for me in Wayland because GNOME on X11 doesn't currently support sideways scrolling with the touchpad, but it does on Wayland.
Screencast from 31-08-17 13:33:58.webm
3.6 MB View Download
Project Member

Comment 7 by sheriffbot@chromium.org, Aug 31 2017

Labels: -Needs-Feedback
Thank you for providing more feedback. Adding requester "bokan@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
The scrollable area in  question has "overflow: overlay". bokan@ can that be a factor?
FWIW, I cannot reproduce this myself but I have not tried on a hidpi.

Comment 9 by bokan@chromium.org, Sep 5 2017

Unlikely. hidpi probably is related as it will force a non-root scroller to be composited (the scroller in chrome://settings isn't the root). I've seen similar issues (e.g.  bug 256367 ). 
Labels: -Pri-2 Hotlist-Input-Dev Pri-3
Owner: chaopeng@chromium.org
Status: Assigned (was: Unconfirmed)
Please investigate after  issue 256367  is fixed.

Comment 11 by real...@gmail.com, Sep 7 2017

I attached a mouse which supports sideways scrolling and confirmed that this affects X11 as well as Wayland.

Comment 12 by real...@gmail.com, Sep 7 2017

While testing with the mouse I noticed another strange side-effect: the marker in the "New tab page" radio buttons sometimes jumps out of the circle when I scroll sideways. I've attached a video showing it.

It can be reproduced with the touchpad too, but it's more noticeable with the mouse, probably because vertical scrolling resets the affected button. If I change the radio so that the URL option (www.google.com) is selected instead, the glitch stops, and stays stopped if I change it back to its original value. But if I close the settings tab and reopen it with the URL option selected, the glitch affects that button. Ie the glitch affects the active radio when the tab is opened but is "cured" by changing the setting.
Screencast from 07-09-17 19:56:11.webm
505 KB View Download

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