wehub-resource-sync
78 lines
2.2 KiB
Swift
78 lines
2.2 KiB
Swift
import AppKit
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import SwiftUI
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@MainActor
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enum MenuPasteboardCopy {
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typealias DeferredAction = @MainActor @Sendable () -> Void
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typealias Scheduler = @MainActor @Sendable (@escaping DeferredAction) -> Void
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typealias Writer = @MainActor @Sendable (String) -> Void
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static func perform(
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_ text: String,
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scheduler: Scheduler = Self.schedule,
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writer: @escaping Writer = Self.write,
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completion: @escaping DeferredAction = {})
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{
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scheduler {
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writer(text)
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completion()
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}
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}
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private static func schedule(_ action: @escaping DeferredAction) {
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DispatchQueue.main.async(execute: action)
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}
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private static func write(_ text: String) {
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let pasteboard = NSPasteboard.general
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pasteboard.clearContents()
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pasteboard.setString(text, forType: .string)
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}
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}
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struct ClickToCopyOverlay: NSViewRepresentable {
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let copyText: String
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func makeNSView(context: Context) -> ClickToCopyView {
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ClickToCopyView(copyText: self.copyText)
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}
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func updateNSView(_ nsView: ClickToCopyView, context: Context) {
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// Guard against no-op writes to avoid AppKit view invalidation on every
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// parent card SwiftUI diff (each MenuCardView body re-eval runs through
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// .overlay { ClickToCopyOverlay(...) }, which calls updateNSView even
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// when copyText is unchanged).
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guard nsView.copyText != self.copyText else { return }
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nsView.copyText = self.copyText
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}
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}
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final class ClickToCopyView: NSView {
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var copyText: String
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private let copyAction: (String) -> Void
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init(
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copyText: String,
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copyAction: @escaping (String) -> Void = { MenuPasteboardCopy.perform($0) })
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{
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self.copyText = copyText
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self.copyAction = copyAction
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super.init(frame: .zero)
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self.wantsLayer = false
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}
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@available(*, unavailable)
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func acceptsFirstMouse(for event: NSEvent?) -> Bool {
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true
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}
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override func mouseDown(with event: NSEvent) {
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_ = event
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self.copyAction(self.copyText)
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}
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}
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