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ghostty/macos/Sources
Daniel Wennberg e2fe0cf53a macOS: remove scroll edge styling with hidden titlebar (#9317)
With `macos-titlebar-style = hidden`, creating splits or cycling
fullscreen sometimes produces a transparent overlay in the titlebar
area, clipping the top of the surfaces:

<img width="504" height="272" alt="Screenshot 2025-10-22 at 21 27 28"
src="https://github.com/user-attachments/assets/e28c5226-2e47-4c1d-8c14-b286fdb261f3"
/>

This is actually SwiftUI styling for scroll views, and the fact that it
pops up even though the titlebar is hidden is possibly a SwiftUI bug; at
least it's causing frustration for others too, see
https://developer.apple.com/forums/thread/798392 and
https://stackoverflow.com/questions/79776037/strange-nsscrollpocket-height-on-my-nstableview-in-fullscreen-mode-on-macos-taho.

I tried setting `.scrollEdgeEffectHidden()` on various nodes in the
SwiftUI hierarchy, but couldn't get it to work, so I ended up resorting
to an old-fashioned game of imperative whack-a-mole. Now:

<img width="504" height="272" alt="Screenshot 2025-10-22 at 21 28 47"
src="https://github.com/user-attachments/assets/e4499f16-5bd0-43cd-a7de-37fbc56eb1c4"
/>

AI disclosure (my first!): I consulted copilot trying to figure out of
the whole SwiftUI/AppKit situation and whether there might be a
declarative solution on the SwiftUI side. Just chatting in general terms
without showing real-world code. No dice.
2025-10-23 08:33:39 -07:00
..