[kde] [Bug 493583] New: Excessive Cursor Size in GTK4 Applications on KDE Plasma 6 Under Wayland with Scaling Above 100%

[bugzilla_noreply at kde.org]

https://bugs.kde.org/show_bug.cgi?id=493583

            Bug ID: 493583
           Summary: Excessive Cursor Size in GTK4 Applications on KDE
                    Plasma 6 Under Wayland with Scaling Above 100%
    Classification: I don't know
           Product: kde
           Version: unspecified
          Platform: openSUSE
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: reiokorn at tutanota.com
  Target Milestone: ---

STEPS TO REPRODUCE
1. Set display scaling to above 100% (e.g., 150%) in KDE Plasma settings on a
Wayland session.
2. Launch the Bottles/ProtonPlus/Alpaca application (and possibly others).
3. Observe the cursor size within the GUI.

OBSERVED RESULT
The cursor size within the application's GUI becomes excessively large when
hovering over it, disrupting the user experience. This issue occurs only under
Wayland with scaling settings above 100%, including integer scaling factors
like 200%.

EXPECTED RESULT
The cursor should maintain a consistent and appropriate size relative to other
GUI elements within the application, regardless of the display scaling factor.

SOFTWARE/OS VERSIONS

    Operating System: openSUSE Tumbleweed 20240922
    KDE Plasma Version: 6.1.5
    KDE Frameworks Version: 6.6.0
    Qt Version: 6.7.2
    Kernel Version: 6.10.11-1-default (64-bit)
    Graphics Platform: Wayland
    Processors: 16 × AMD Ryzen 7 7800X3D 8-Core Processor
    Memory: 30.5 GiB of RAM
    Graphics Processor: AMD Radeon RX 7900 XTX
    Manufacturer: Gigabyte Technology Co., Ltd.
    Product Name: B650 GAMING X AX

ADDITIONAL INFORMATION
- Context: The issue persists even with integer scaling factors (e.g., 200%).
When using a 150% scaling factor, the cursor size becomes disproportionately
large within GTK4 applications like Bottles.
- Terminal Output:
  (bottles:9894): Gdk-WARNING **: 19:28:34.137:
../gdk/wayland/gdkcursor-wayland.c:210 cursor image size (32) not an integer
multiple of theme size (24)

This warning appears multiple times with varying cursor image sizes.

Logs and Attachments:
If additional logs or diagnostic information are required, please let me know,
and I can provide them promptly.

Notes:
- The issue does not occur when scaling is set to 100%.
- The problem is specific to GTK4 applications under Wayland with scaling
enabled.
- Similar warnings are present even at 100% scaling, though the cursor size
issue is more pronounced above 100%.

Please let me know if you need any further information or assistance in
diagnosing this issue. Thank you for your attention to this matter!

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