NSWindow contentView 未覆盖整个窗口大小 - macOS &用户界面 [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，但我遇到了一个大问题.该应用程序需要一个完整大小的 contentView(在 titleBar 下方)，但我无法完成.在使用 Storyboards 的新项目中工作正常，但使用 SwiftUI 则不行.

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:

它应该是这样的:

有什么想法吗?谢谢！

推荐答案

我只是在AppDelegate中使用了下面的变体，ContentView等内容可以任意

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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