Long window titles cause graphical corruption in title bar

Bug #1866657 reported by Neil McPhail
20
This bug affects 4 people
Affects Status Importance Assigned to Milestone
MATE Desktop
New
Unknown
marco (Ubuntu)
Confirmed
Undecided
Unassigned

Bug Description

Ubuntu Mate 20.04 Development Release, upgraded from 19.10
Lenovo thinkpad X230, Intel drivers from default mesa

If a window title exceeds the width of the title bar, I see black rectangles at both ends of the title bar text. This happens whether or not compositing is selected in Mate Tweaks or whether the buttons are on the left or right. Please see the attached gif for a demonstration of the graphical corruption.

What should happen:
- The title should be neatly truncated or faded if it is wider than the title bar.

What actually happens:
- The title gets truncated/faded, but corrupted black rectangles appear at both ends of the title bar.

I'm not sure if this also happened on 19.10.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: marco 1.24.0-1
ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
Uname: Linux 5.4.0-14-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu18
Architecture: amd64
CurrentDesktop: MATE
Date: Mon Mar 9 16:26:03 2020
InstallationDate: Installed on 2019-10-11 (150 days ago)
InstallationMedia: Ubuntu-MATE 19.10 "Eoan Ermine" - Beta amd64 (20190926.2)
SourcePackage: marco
UpgradeStatus: Upgraded to focal on 2020-02-07 (31 days ago)

Revision history for this message
Neil McPhail (njmcphail) wrote :
Revision history for this message
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in marco (Ubuntu):
status: New → Confirmed
Revision history for this message
Neil McPhail (njmcphail) wrote :
Changed in mate-desktop:
status: Unknown → New
Revision history for this message
Steve Langasek (vorlon) wrote :

Dropping the rls-ll-incoming tag, which is an incoming queue for Canonical teams to assess prioritization. Since the affected packages are in universe, it does not apply here.

tags: removed: champagne
Revision history for this message
Steve Langasek (vorlon) wrote :

Sorry, I mean the 'champagne' tag which was used before the 20.04 release as a Canonical-internal prioritization tool but no longer applies despite still showing up on our reports.

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