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import SwiftUI
// All backport view/scene modifiers go as an extension on this. We use this
// so we can easily track and centralize all backports.
struct Backport<Content> {
let content: Content
}
extension View {
var backport: Backport<Self> { Backport(content: self) }
}
extension Scene {
var backport: Backport<Self> { Backport(content: self) }
}
extension Backport where Content: Scene {
// None currently
}
extension Backport where Content: View {
func pointerVisibility(_ v: BackportVisibility) -> some View {
#if canImport(AppKit)
if #available(macOS 15, *) {
return content.pointerVisibility(v.official)
} else {
return content
}
#else
return content
#endif
}
func pointerStyle(_ style: BackportPointerStyle?) -> some View {
#if canImport(AppKit)
if #available(macOS 15, *) {
return content.pointerStyle(style?.official)
} else {
return content
}
#else
return content
#endif
}
}
enum BackportVisibility {
case automatic
case visible
case hidden
@available(macOS 15, *)
var official: Visibility {
switch self {
case .automatic: return .automatic
case .visible: return .visible
case .hidden: return .hidden
}
}
}
enum BackportPointerStyle {
case `default`
case grabIdle
case grabActive
case horizontalText
case verticalText
case link
case resizeLeft
case resizeRight
case resizeUp
case resizeDown
case resizeUpDown
case resizeLeftRight
#if canImport(AppKit)
@available(macOS 15, *)
var official: PointerStyle {
switch self {
case .default: return .default
case .grabIdle: return .grabIdle
case .grabActive: return .grabActive
case .horizontalText: return .horizontalText
case .verticalText: return .verticalText
case .link: return .link
case .resizeLeft: return .frameResize(position: .trailing, directions: [.inward])
case .resizeRight: return .frameResize(position: .leading, directions: [.inward])
case .resizeUp: return .frameResize(position: .bottom, directions: [.inward])
case .resizeDown: return .frameResize(position: .top, directions: [.inward])
case .resizeUpDown: return .frameResize(position: .top)
case .resizeLeftRight: return .frameResize(position: .trailing)
}
}
#endif
}
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