32 lines
1.0 KiB
Swift
32 lines
1.0 KiB
Swift
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//
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// SelectiveDeliveryEventsView.swift
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// Crush
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//
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// Created by Leon on 2025/7/27.
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//
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import UIKit
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/// 选择性传递View，常用做容器，只上方的一些控制事件可响应。（✅允许Control事件）
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class SelectiveDeliveryEventsView: UIView {
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override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
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// 1. 如果 view 是隐藏的或不交互，返回 nil
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if self.isHidden || self.alpha < 0.01 || !self.isUserInteractionEnabled {
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return nil
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}
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// 2. 遍历子视图，看看是否有 UIControl 响应点击
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for subview in subviews.reversed() {
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let convertedPoint = subview.convert(point, from: self)
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if let hitView = subview.hitTest(convertedPoint, with: event) {
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if hitView is UIControl {
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return hitView // 点到了控件，返回控件自身，停止传递
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}
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}
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}
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// 3. 没有控件响应，返回 nil 让事件传递给父视图
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return nil
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}
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}
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