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Allow zoom using scroll wheel

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Ahnaf Mahmud 2024-08-13 20:30:21 +01:00 • committed by GitHub
parent 304a4c8e7e
commit ea5a5354fb
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1 changed files with 12 additions and 0 deletions
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12
Sources/CropImage/UnderlyingImageView.swift
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@ -81,6 +81,15 @@ struct UnderlyingImageView: View {
scale = min(widthScale, heightScale) scale = min(widthScale, heightScale)
} }
private func setupScrollMonitor() {
#if os(macOS)
NSEvent.addLocalMonitorForEvents(matching: .scrollWheel) {event in
scale = scale + event.scrollingDeltaY/1000
return event
}
#endif
}
var imageView: Image { var imageView: Image {
#if os(macOS) #if os(macOS)
Image(nsImage: image) Image(nsImage: image)
@ -94,6 +103,9 @@ struct UnderlyingImageView: View {
.gesture(dragGesture) .gesture(dragGesture)
.gesture(magnificationgesture) .gesture(magnificationgesture)
.gesture(rotationGesture) .gesture(rotationGesture)
.onAppear {
setupScrollMonitor()
}
} }
var dragGesture: some Gesture { var dragGesture: some Gesture {