【问题标题】:Is there a way to track what a user types in Swift Playgrounds?有没有办法跟踪用户在 Swift Playgrounds 中输入的内容?
【发布时间】:2023-03-22 18:20:01
【问题描述】:

我想知道是否有一种方法可以跟踪用户在 swift Playground 中输入的内容并将其显示在现场 Playground 中?我似乎无法在网上找到有关此的任何信息。任何帮助都会很棒:)

【问题讨论】:

    标签: swift xcode sprite-kit swift-playground


    【解决方案1】:

    要处理按下的键,您应该覆盖 SKScenekeyDownkeyUp 方法,例如:

    class MyScene: SKScene {
        
        public override func keyDown(with event: NSEvent) {
            super.keyDown(with: event)
            handleKeyEvent(event: event, down: true)
        }
            
        public override func keyUp(with event: NSEvent) {
            super.keyUp(with: event)
            handleKeyEvent(event: event, down: false)
        }
        
        func handleKeyEvent(event: NSEvent, down: Bool) {
            if let key = event.characters?.first {
                print("Key: '\(key)' - \(down ? "Down" : "Up")")
            }
        }
    }
    
    let view = SKView(frame: CGRect(x: 0, y: 0, width: 1024, height: 768))
    let scene = MyScene(size: CGSize(width: 1024, height: 768))
    scene.scaleMode = SKSceneScaleMode.aspectFit
    view.presentScene(scene)
    
    PlaygroundPage.current.liveView = view
    PlaygroundPage.current.needsIndefiniteExecution = true
    

    【讨论】:

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