Add Window::setParentWindow (macOS child windows)#312
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Attaches a window as a child of another so it stays above its parent within the application, without floating over other apps' windows (unlike ZOrder.FLOATING/MODAL_PANEL). Pass null to detach; hiding a child window detaches it automatically on macOS, so callers re-attach on show. Windows/X11: TODO stubs matching setZOrder. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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What
New API
Window.setParentWindow(@Nullable Window parent), implemented on macOS via-[NSWindow addChildWindow:ordered:](NSWindowAbove). A child window stays ordered above its parent within the application — unlikesetZOrder(FLOATING/MODAL_PANEL), it does not float above other applications' windows. Passingnulldetaches.Why
The floating
ZOrderlevels are global: a tool/palette window (robot consoles in my app's case) set toFLOATING/MODAL_PANELstays above every other application too. Child windows are the native macOS mechanism for "always above one specific window only".Notes / caveats
setVisible(true)on every show.setZOrderstub style (Win32 could later reuse the_nWinSetParentowner-window plumbing; X11 viaXSetTransientForHint).target/classes.🤖 Generated with Claude Code