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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| // Source: https://stackoverflow.com/questions/65841298/swiftui-onhover-doesnt-register-mouse-leaving-the-element-if-mouse-moves-too-fa | ||
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| import SwiftUI | ||
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| extension View { | ||
| public func whenHovered(_ mouseIsInside: @escaping (Bool) -> Void) -> some View { | ||
| modifier(MouseInsideModifier(mouseIsInside)) | ||
| } | ||
| } | ||
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| struct MouseInsideModifier: ViewModifier { | ||
| let mouseIsInside: (Bool) -> Void | ||
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| init(_ mouseIsInside: @escaping (Bool) -> Void) { | ||
| self.mouseIsInside = mouseIsInside | ||
| } | ||
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| func body(content: Content) -> some View { | ||
| content.background( | ||
| GeometryReader { proxy in | ||
| Representable(mouseIsInside: mouseIsInside, | ||
| frame: proxy.frame(in: .global)) | ||
| } | ||
| ) | ||
| } | ||
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| private struct Representable: NSViewRepresentable { | ||
| let mouseIsInside: (Bool) -> Void | ||
| let frame: NSRect | ||
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| func makeCoordinator() -> Coordinator { | ||
| let coordinator = Coordinator() | ||
| coordinator.mouseIsInside = mouseIsInside | ||
| return coordinator | ||
| } | ||
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| class Coordinator: NSResponder { | ||
| var mouseIsInside: ((Bool) -> Void)? | ||
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| override func mouseEntered(with event: NSEvent) { | ||
| mouseIsInside?(true) | ||
| } | ||
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| override func mouseExited(with event: NSEvent) { | ||
| mouseIsInside?(false) | ||
| } | ||
| } | ||
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| func makeNSView(context: Context) -> NSView { | ||
| let view = NSView(frame: frame) | ||
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| let options: NSTrackingArea.Options = [ | ||
| .mouseEnteredAndExited, | ||
| .inVisibleRect, | ||
| .activeInKeyWindow | ||
| ] | ||
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| let trackingArea = NSTrackingArea(rect: frame, | ||
| options: options, | ||
| owner: context.coordinator, | ||
| userInfo: nil) | ||
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| view.addTrackingArea(trackingArea) | ||
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| return view | ||
| } | ||
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| func updateNSView(_ nsView: NSView, context: Context) {} | ||
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| static func dismantleNSView(_ nsView: NSView, coordinator: Coordinator) { | ||
| nsView.trackingAreas.forEach { nsView.removeTrackingArea($0) } | ||
| } | ||
| } | ||
| } |
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