System

UVtools v5.0.9 X64
Operative system: Linux Mint 22.1 X64
Processor: AMD Ryzen 7 1800X Eight-Core Processor
Processor cores: 16
Memory RAM: 11.37 / 31.27 GB
Runtime: linux-x64
Framework: .NET 9.0.3
AvaloniaUI: 11.2.6
OpenCV: 4.10.0

Sreens, resolution, working area, usable area:
1: 1920 x 1080 @ 100% (Primary) (On this)
    WA: 1920 x 1040    UA: 1920 x 1040

Path:       /home/glen/Software/UVtools_linux-x64_v5.0.9/
Executable: /home/glen/Software/UVtools_linux-x64_v5.0.9/UVtools
Loaded file: BeetLoad12 - Level Scaled.ctb [Version: 4] [Class: CTBEncryptedFile]

Printer and Slicer

• Printer: Elegoo Saturn 2
• Slicer: Lychee

Description of the bug

When using the pixel editor the user holds shift then left / right clicks to add / remove pixels. When holding shift UV tools shows a blue preview of the size & shape of the drawing cursor. This cursor showed on Win10, but does not show on Linux Mint 22.

How to reproduce

Open a file, and go to the Pixel Editor. Choose any brush shape or size and hold shift with your mouse over the drawing area. There is no blue-ish preview.

Files

This issue is present on the default UV Tools logo file at startup.