NSWindow contentView不能覆盖整个窗口大小-macOS& SwiftUI [英] NSWindow contentView not cover full window size - macOS & SwiftUI

问题描述

我正在使用SwiftUI启动一个新的macOS应用程序，但是我遇到了一个大问题. 该应用程序需要全尺寸contentView(在titleBar下方)，但我无法完成.在一个新项目中，使用Storyboards可以正常工作，但使用SwiftUI则不能.

I'm starting a new macOS app with SwiftUI but I have a big problem. The app needs a full size contentView (underneath titleBar) but I can't accomplish. On a new project using Storyboards works fine, but with SwiftUI not.

我的代码:

结果:

它应该看起来像这样:

And it should look like this:

有什么想法吗? 谢谢！

Any ideas? Thanks!

推荐答案

我刚刚在AppDelegate中使用了以下变体，ContentView的内容可以是其他任何内容

I just used the following variant in AppDelegate, the content of ContentView and others can be any

func applicationDidFinishLaunching(_ aNotification: Notification) {
    // Create the SwiftUI view that provides the window contents.
    let contentView = ContentView()
        .edgesIgnoringSafeArea(.top) // to extend entire content under titlebar 

    // Create the window and set the content view. 
    window = NSWindow(
        contentRect: NSRect(x: 0, y: 0, width: 480, height: 300),
        styleMask: [.titled, .closable, .miniaturizable, .texturedBackground, .resizable, .fullSizeContentView],
        backing: .buffered, defer: false)
    window.center()
    window.setFrameAutosaveName("Main Window")

    window.titlebarAppearsTransparent = true // as stated
    window.titleVisibility = .hidden         // no title - all in content

    window.contentView = NSHostingView(rootView: contentView)
    window.makeKeyAndOrderFront(nil)
}

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