49 lines
1.3 KiB
Swift
49 lines
1.3 KiB
Swift
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// ScanButton.swift
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// LiTranslate
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//
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// Thanks for the guide:
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// https://www.raywenderlich.com/28189776-capturing-text-from-camera-using-swiftui
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//
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import SwiftUI
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struct ScanButton: UIViewRepresentable {
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@Binding var text: String
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func makeUIView(context: Context) -> some UIView {
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let textFromCamera = UIAction.captureTextFromCamera(
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responder: context.coordinator,
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identifier: nil)
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let button = UIButton(primaryAction: textFromCamera)
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button.setImage(UIImage(systemName: SystemNames.cameraScan), for: .normal)
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button.setTitle("", for: .normal)
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button.menu = UIMenu(children: [textFromCamera])
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return button
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}
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func updateUIView(_ uiView: UIViewType, context: Context) { }
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func makeCoordinator() -> Coordinator {
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Coordinator(self)
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}
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class Coordinator: UIResponder, UIKeyInput {
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let parent: ScanButton
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init(_ parent: ScanButton) { self.parent = parent }
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var hasText = false
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func insertText(_ text: String) { parent.text = text }
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func deleteBackward() { }
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}
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}
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struct ScanButton_Previews: PreviewProvider {
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static var previews: some View {
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ScanButton(text: .constant(""))
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.previewLayout(.sizeThatFits)
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}
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}
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