"Hide QuPath" on macOS opens "About" window instead of hiding window

[tbedau]

Describe the bug
When trying to hide QuPath via the menu bar or by pressing cmd + h, the "About" window is opened instead of QuPath being hidden.

To Reproduce
Steps to reproduce the behavior:

1. Click on app name ("QuPath-0.5.0-arm64") in menu bar.
2. Click on "Hide QuPath-0.5.0-arm64" (alternatively: press cmd + h).
3. See error.

Expected behavior
QuPath window being hidden.

Screenshots

Desktop (please complete the following information):

• OS: macOS 14.1.2
• QuPath Version: 0.5.0-arm64

[petebankhead]

I can replicate the problem, but I can't explain it and have no idea where it could be influenced in the QuPath code :/
I'd think it's a JavaFX bug, except I see it didn't occur in QuPath v0.4.x. But since we don't populate that system menu explicitly in QuPath, I don't know how we can change its behavior.

[tbedau]

That is very strange indeed. Unfortunately I don't have the needed knowledge to dive into this, but I guess a lot of heavy cmd+h users like me would be extremely grateful if someone found a solution!

[Rylern]

This bug is not specific to QuPath (see here) so I also think it's a JavaFX bug.

A workaround would be to disable this "About" window and handle explicitly the "cmd+h" combination with something like:

// Disable about window
Desktop.getDesktop().setAboutHandler(e -> {});

// Handle cmd + h
scene.getAccelerators().put(
  new KeyCodeCombination(KeyCode.H, KeyCombination.META_DOWN), () -> {
    stage.setIconified(true);
  }
);

inserted in the constructor of QuPathGui.

However, this would still make impossible to hide QuPath via the menu bar.