Incorrect resizing of toolbar when resizing window when overlay scrollbars are disabled

[ikonv]

Description
Incorrect resizing of toolbar when resizing window

To Reproduce

1. Select some tool with many options in toolbar (such as Line/Curve)
2. Make window somewhat smaller
3. Observe the toolbar is messed up (almost out of visible area)

Additional Info

2026-01-09_23.16.01_pinta.mp4

Version
Pinta 3.1.1, Linux Mint Cinnamon 22.2

[cameronwhite]

Hmm, I haven't been able to reproduce this on macOS or Ubuntu. When there isn't enough width a scrollbar is shown, but it's configured to display as an overlay scrollbar (which shouldn't increase the height of the toolbar)
It doesn't seem like that's happening for you - could you provide more info on your desktop environment, and if you've made any customizations that might affect GTK-related settings?

[ikonv]

You are right, the culprit is overlay scrollbars system setting. Enabling overlay scrollbars solves the problem. Please make Pinta compatible with non-overlay scrollbars.