windows maximized on one screen have a slither visible on other screen

Bug #1857946 reported by Chris Guiver on 2019-12-31
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
lxqt-config (Ubuntu)
Undecided
Unassigned

Bug Description

Lubuntu 20.04 LTS

NOTE: I've reported this before, in comment with other reports, so i need to check this is not a duplicate. I didn't see it in a quick search before this filing, but I'll look some more..

Using Monitor settings to adjust displays so they are next to each other, I purposely leave a gap (see attached pic monitor_settings.jpg) then drop and click apply.

My expectation is that the screens do not overlap. The bug could be in Monitor.Settings; upstream claim overlap isn't possible anymore though I believe (and blamed openbox as they couldn't reproduce it). I'll need to explore some more.

On either display now, if I click the maximize on any window , a tiny slither of it will be visible on the other window. I'll attach two more pictures in the coming minutes.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: lxqt-config 0.14.1-0ubuntu1
ProcVersionSignature: Ubuntu 5.3.0-24.26-generic 5.3.10
Uname: Linux 5.3.0-24-generic x86_64
ApportVersion: 2.20.11-0ubuntu15
Architecture: amd64
CasperVersion: 1.436
CurrentDesktop: LXQt
Date: Tue Dec 31 01:19:58 2019
LiveMediaBuild: Lubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20191230)
SourcePackage: lxqt-config
UpgradeStatus: No upgrade log present (probably fresh install)

Revision history for this message
Chris Guiver (guiverc) wrote :
Revision history for this message
Chris Guiver (guiverc) wrote :
Revision history for this message
Chris Guiver (guiverc) wrote :

https://photos.app.goo.gl/YXYhrPpR1QbBNWxr6

photo of screen with window maximized in description (screenshot was comment #2)
Expectation is the maximized window doesn't appear on my right display; alas it does on left edge of display (the white slither, even part of cursor appears)

This problem occurs with images that are maximized on right display too, with them appearing as slither on right edge of left display

Revision history for this message
Ubuntu QA Website (ubuntuqa) wrote :

This bug has been reported on the Ubuntu ISO testing tracker.

A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/1857946

tags: added: iso-testing
Chris Guiver (guiverc) on 2019-12-31
summary: - windows maximized on one screen have a touch visible on other screen
+ windows maximized on one screen have a slither visible on other screen
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