[Bug] White cursor on white background

[Like475]

Describe the bug

When you select a pen or line, the cursor turns into a white crosshair, which is not visible on a white background.

To Reproduce

1. Select pen or line
2. Try to write something

Expected behavior

The cursor turns into a black crosshair or gray circle.

Actual behavior

The cursor turns into a white crosshair, which is not visible on a white background

Context

• reproducibility : systematic=
• OpenBoard version :
  • bug happens with : 1.7.3 and higher
• OS :
  • bug happens with : Windows
  • didn't check : Linux macOS
• Installation source : OpenBoard download page and GitHub

Additional context

• OS(es) detailed version (for the ones you reproduced the bug on)
  • Windows :

Device name like475-pc
AMD Ryzen 7 7735HS processor with Radeon Graphics (3.20 GHz)
RAM 16.0 GB (available: 15.2 GB)
Device code FA6BA13A-0076-4887- 84B9-70679A4C1085
Product Code 00330-80000-00000-AA927
System type 64-bit operating system, x64 processor
Pen and touch input Support for pen input

Windows 11 Pro Release
Version 25H2
Installation date: 12/29/2025
OS Build 26200.7623
Interaction Windows Component Interface Package 1000.26100.275.0

• number and resolution of monitors : 1920x1080
• if used, manufacturer and model of graphic tablet input device : DEXP Leggero M (GT-M101) but works with mouse too