clipsToBounds 在 UIStackView 中似乎没有效果

clipsToBounds seeming to have no effect in UIStackView(clipsToBounds 在 UIStackView 中似乎没有效果)

问题描述

是否可以在 UIStackView 之外呈现子视图?我有一个带有按钮和标签的垂直堆栈视图，并且我正在使用堆栈视图的宽度来适当地设置按钮的高度和宽度:

Is it possible to have a subview render outside a UIStackView? I have a vertical stack view with a button and a label, and I'm using the width of the stack view to set the button's height and width appropriately:

addArrangedSubview(self.loginMethodButton)
let widthConstraint = NSLayoutConstraint(item: self.loginMethodButton, attribute: .width, relatedBy: .equal, toItem: self, attribute: .width, multiplier: 1.0, constant: 0.0)
let heightConstraint = NSLayoutConstraint(item: self.loginMethodButton, attribute: .height, relatedBy: .equal, toItem: self.loginMethodButton, attribute: .width, multiplier: 1.0, constant: 0.0)
NSLayoutConstraint.activate([widthConstraint, heightConstraint])

然后我根据情况将 viewController 中的宽度调整为适当的大小.问题是，在按钮需要的较小尺寸之一中，宽度小于其下方的标签，这会切断标签.

I then adjust the width in my viewController to appropriate sizes based on the situation. The problem is, in one of the smaller sizes the button needs to be, the width is smaller than the label beneath it, which cuts off the label.

如果我在设置标签时调用 sizeToFit() ，它可以工作，但是，在设置标签后调整大小时调用 sizeToFit() 仍然会导致标签被切断.在标签和堆栈视图上将 clipsToBounds 设置为 false 无效.

If I call sizeToFit() when setting the label, it works, however, calling sizeToFit() when adjusting the sizes after the label has been set still results in the label being cut off. Setting clipsToBounds to false on both the label and stack view have no effect.

是否可以在堆栈视图之外渲染视图?或者我是否必须找到一种方法来重新处理我的约束以解决这个问题?

Is it possible to render a view outside of a stack view at all? Or am I going to have to find a way to re-work my constraints in order to fix this issue?

推荐答案

UIStackView 是一个非渲染"对象......它所做的只是安排其他视图.

UIStackView is a "non-rendering" object... all it does is arrange other views.

如果问题是您的 UILabel 太宽而无法放入 Stack View 提供的区域，那么您需要将标签设置为自动缩小"字体，或者您需要更改 Stack View 约束以允许使用更宽的标签.

If the problem is that your UILabel is too wide to fit in the area made available by your Stack View, then you either need to set the label to "auto-shrink" the font, or you need to alter your Stack View constraints to allow for the wider label.

编辑 根据您的其他评论，以下内容不正确.

您需要在包含"视图上设置 .clipsToBounds...根据您显示的图形，这将是深蓝色框(我假设这是一个 UIView 将图像和标签作为子视图).

You need to set .clipsToBounds on the "containing" view... based on the graphic you are showing, that would be the darker-blue box (I'm assuming that is a UIView with the image and label as subviews).

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