Cursor is not rendered in the correct location when at maximum desktop zoom

Bug #1926799 reported by Sai Madhan
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
GNOME Shell
Fix Released
Unknown
gnome-shell (Ubuntu)
Won't Fix
Undecided
Unassigned

Bug Description

Affected version
LSB Version: core-11.1.0ubuntu2-noarch:printing-11.1.0ubuntu2-noarch:security-11.1.0ubuntu2-noarch
Gnome Version: 3.38.4
Occurs in: Xorg and Wayland

Bug summary

1. zoom focus shifts - lets assume a window in the center of the screen and i am at 3x zoom and i try to point my mouse at something and try to click that. 90% of the time zoom focus shifts away from the mouse location to mostly top left corner of the screen.

2. mouse pointing away from the object - Similarly when i reach above some zoom limit sets say 4x and now lets say i am in a browser trying to click a link i point at the link cursor changes to hand and when i try to click i couldnt. So i try to zoom out and i fid that the pointer was not exactly placed on the link. To sum up when zoomed in it seems like i am pointing at a link while the cursor is actually placed away from the link

3. Compressing text - after reaching certain high zoom level as said 4x or 5x the content on the screen becomes a bit compressed on the sides texts and images and everything on screen becomes elongated

Steps to reproduce

1. Turn on zoom from settings -> Accessibility
2. Zoom in above 3.x
3. Try clicking on some object inside a window
4. Choose Follow mouse cursor or on screen part droopdown choose full screen.
5. My current settings are Screen part: Full Screen, Magnifier cursor pushes content arround. However these issues persist with all the other options under magnifier position. Such as Follow mouse cursor or magnifier cursor pushes content arround or any such option provided.
Screenshot_from_2021-05-03_14-37-09

What happened

1. Zoom focus shifts away from the cursor mostly towards top left of the window or the desktop.
2.While zoomed in cursor seems to be placed above a link or an object but is actually placed awway either to the left or right of the object. Original position of the cursor reveals when zoomed out.
3.Content on screen seems to be compressed from the sides as text and other objects appear elongated.

I have also posted the same issue on the GNOME Community:
https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/4228
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu65
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
DisplayManager: gdm3
DistroRelease: Ubuntu 21.04
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
Package: gnome-shell 3.38.4-1ubuntu2
PackageArchitecture: amd64
ProcVersionSignature: Ubuntu 5.11.0-16.17-generic 5.11.12
RelatedPackageVersions: mutter-common 3.38.4-1ubuntu2
Tags: wayland-session hirsute
Uname: Linux 5.11.0-16-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
_MarkForUpload: True

Sai Madhan (falcon-z)
tags: added: acceeeibility
tags: added: accessibility
removed: acceeeibility
Revision history for this message
Ubuntu Foundations Team Bug Bot (crichton) wrote :

Thank you for taking the time to report this bug and helping to make Ubuntu better. It seems that your bug report is not filed about a specific source package though, rather it is just filed against Ubuntu in general. It is important that bug reports be filed about source packages so that people interested in the package can find the bugs about it. You can find some hints about determining what package your bug might be about at https://wiki.ubuntu.com/Bugs/FindRightPackage. You might also ask for help in the #ubuntu-bugs irc channel on Freenode.

To change the source package that this bug is filed about visit https://bugs.launchpad.net/ubuntu/+bug/1926799/+editstatus and add the package name in the text box next to the word Package.

[This is an automated message. I apologize if it reached you inappropriately; please just reply to this message indicating so.]

tags: added: bot-comment
Sai Madhan (falcon-z)
affects: ubuntu → gnome-shell (Ubuntu)
Sai Madhan (falcon-z)
description: updated
tags: added: a11y
removed: accessibility bot-comment
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Please be careful to make each bug report about a single issue in future. The first issue you mention sounds like bug 1925683. Which issue would you like this bug to be about?

tags: added: zoom
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Thank you for taking the time to report this bug and helping to make Ubuntu better. Please execute the following command only once, as it will automatically gather debugging information, in a terminal:

apport-collect 1926799

When reporting bugs in the future please use apport by using 'ubuntu-bug' and the name of the package affected. You can learn more about this functionality at https://wiki.ubuntu.com/ReportingBugs.

Changed in gnome-shell (Ubuntu):
status: New → Incomplete
Revision history for this message
Sai Madhan (falcon-z) wrote :

About the second issue then. And thanks i will remember to report each isue with their own bug report in future.

Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Thanks. Please remember to also run:

  apport-collect 1926799

summary: - Multiple issues with zoom in accessibility
+ Cursor is not rendered in the correct location when at maximum desktop
+ zoom
Revision history for this message
Sai Madhan (falcon-z) wrote : Dependencies.txt

apport information

tags: added: apport-collected hirsute wayland-session
description: updated
Revision history for this message
Sai Madhan (falcon-z) wrote : GsettingsChanges.txt

apport information

Revision history for this message
Sai Madhan (falcon-z) wrote : ProcCpuinfoMinimal.txt

apport information

Revision history for this message
Sai Madhan (falcon-z) wrote : ProcEnviron.txt

apport information

Revision history for this message
Sai Madhan (falcon-z) wrote : ShellJournal.txt

apport information

Changed in gnome-shell (Ubuntu):
status: Incomplete → New
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Thank you for reporting this bug to Ubuntu.
Ubuntu 21.04 (hirsute) reached end-of-life on January 20, 2022.

See this document for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases

We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test. If you then find the bug is still present in the newer Ubuntu version, please add a comment here telling us which new version it is in.

Changed in gnome-shell (Ubuntu):
status: New → Won't Fix
Revision history for this message
Sai Madhan (falcon-z) wrote :

This issue still exists in ubuntu 21.10. I have tested the same with other distros and discovered that the issue occurs only in my lower end hardware with Open GL. In KDE this issue doesnt occur when changing compositor to XRender instead of OpenGL.
This issue causes more trouble using my computer and makes it more unusable so, fix this ASAP please

tags: added: impish
removed: hirsute
Changed in gnome-shell (Ubuntu):
status: Won't Fix → New
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Thank you for reporting this bug to Ubuntu.

Ubuntu 21.10 (impish) reached end-of-life on July 14, 2022.

See this document for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases

We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test. If you then find the bug is still present in the newer Ubuntu version, please add a comment here telling us which new version it is in.

Changed in gnome-shell (Ubuntu):
status: New → Won't Fix
Changed in gnome-shell:
status: Unknown → New
Changed in gnome-shell:
status: New → Fix Released
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

The upstream bug seems to have been closed as mostly fixed. But bug 2022941 remains.

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