https://bugs.kde.org/show_bug.cgi?id=505427

            Bug ID: 505427
           Summary: Dynamic cursors don't work in gtk4-demo
    Classification: Plasma
           Product: kwin
      Version First unspecified
       Reported In:
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: wayland-generic
          Assignee: kwin-bugs-n...@kde.org
          Reporter: pbs3...@googlemail.com
  Target Milestone: ---

SUMMARY

Under KWin + wayland, GTK4's cursors demo has incorrectly scaled cursors.

STEPS TO REPRODUCE

1. Run gtk4-demo under KWin + wayland
2. Select the Cursors demo
3. In the third row (named "gtk-logo"), place the mouse over the third triangle
(with hover-text "A callback cursor for the GTK logo").
4. Observe the cursor.
5. Do steps 1-4 at scale 100% and 200%.

OBSERVED RESULT

When the scale is increased from 100% to 200%, the cursor increases in size by
a factor of 2 (correct), but it is blurry.

EXPECTED RESULT

It should be sharp.

SOFTWARE/OS VERSIONS

KDE Plasma Version: 6.3.4
KDE Frameworks Version: 6.12.0
Qt Version: 6.9.0
Graphics Platform: Wayland

ADDITIONAL INFORMATION

See https://gitlab.gnome.org/GNOME/gtk/-/issues/7587 for some analysis on why
this is believed to be a kwin bug.

Note that this issue also happens on X11, but there it's a GTK bug.

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