I am writing a small App for the Mac..
I need to disable to (Green Button) for full screen.
I am using SwiftUI App not AppKit App Delegate
Cant find how to disable the Full Screen Button for my app.
Any thoughts?
Because no one answered with a cleaner SwiftUI only version:
struct ContentView: View {
var body: some View {
HostingWindowFinder { window in
window?.standardWindowButton(.zoomButton)?.isHidden = true //this removes the green zoom button
}
Text("Hello world")
}
}
struct HostingWindowFinder: NSViewRepresentable {
var callback: (NSWindow?) -> ()
func makeNSView(context: Self.Context) -> NSView {
let view = NSView()
DispatchQueue.main.async { [weak view] in
self.callback(view?.window)
}
return view
}
func updateNSView(_ nsView: NSView, context: Context) {}
}
HostingWindowFinder concept taken from https://lostmoa.com/blog/ReadingTheCurrentWindowInANewSwiftUILifecycleApp/
Related
I'm reworking my app for SwiftUI 2.0 but have come across a problem when replicating what I could do with AppDelegate.
I'm using NSViewRepresentable to get access to NSWindow so I can remove the titlebar of the window (I know it's not in the guidelines but this will never be submitted). When removing .titled from styleMask, the app crashes.
struct WindowAccessor: NSViewRepresentable {
#Binding var window: NSWindow?
func makeNSView(context: Context) -> NSView {
let view = NSView()
DispatchQueue.main.async {
self.window = view.window
self.window?.isOpaque = false
self.window?.titlebarAppearsTransparent = true
self.window?.backgroundColor = NSColor.clear
self.window?.styleMask = [.fullSizeContentView]
self.window?.isMovableByWindowBackground = true
self.window?.backingType = .buffered
}
return view
}
func updateNSView(_ nsView: NSView, context: Context) {}
}
#main
struct MyApp_App: App {
#State private var window: NSWindow?
var body: some Scene {
WindowGroup {
ContentView().background(WindowAccessor(window: $window))
}
}
}
struct ContentView: View {
var body: some View {
Text("Hello, world!").padding().background(Color(NSColor.windowBackgroundColor))
}
}
When I run the app I get Thread 1: EXC_BAD_ACCESS (code=EXC_I386_GPFLT)
All I'm trying to achieve with my app is a Menu Bar application that looks exactly like Spotlight. No dock icon, no title bar, all preferences to be handled by a popover or another window.
EDIT:
Is this something to do with the canBecomeKey property?
I'm looking to not show a window for a SwiftUI application on macOS. The app uses SwiftUI's application lifecycle and only runs in the status bar. Showing a window on start up is unnecessary. I'm unsure however how to get around the WindowGroup. There's no such a thing as an EmptyScene and putting an EmptyView inside the WindowGroup of course creates an empty window.
#main
struct MyApp: App {
#NSApplicationDelegateAdaptor(AppDelegate.self) var appDelegate
var body: some Scene {
WindowGroup {
ContentView()
}
}
}
I basically only need the app delegate. I'm guessing using the default AppKit lifecycle makes more sense, but if there is a way to use SwiftUI's lifecycle, I'd love to know.
In your AppDelegate, do the following in your applicationDidFinishLaunching:
func applicationDidFinishLaunching(_ notification: Notification) {
// Close main app window
if let window = NSApplication.shared.windows.first {
window.close()
}
// Code continues here...
}
For example:
class AppDelegate: NSObject, NSApplicationDelegate {
var popover = NSPopover.init()
var statusBar: StatusBarController?
func applicationDidFinishLaunching(_ notification: Notification) {
// Close main app window
if let window = NSApplication.shared.windows.first {
window.close()
}
// Create the SwiftUI view that provides the contents
let contentView = ContentView()
// Set the SwiftUI's ContentView to the Popover's ContentViewController
popover.contentSize = NSSize(width: 160, height: 160)
popover.contentViewController = NSHostingController(rootView: contentView)
// Create the Status Bar Item with the above Popover
statusBar = StatusBarController.init(popover)
}
}
You should be able to do something like this:
var body: some Scene {
WindowGroup {
ZStack {
EmptyView()
}
.hidden()
}
}
If you app has settings (who doesn't?), you can do like this:
#main
struct TheApp: App {
#NSApplicationDelegateAdaptor(AppDelegate.self) var appDelegate
var body: some Scene {
Settings {
SettingsView()
}
}
}
The app uses SwiftUI's application lifecycle and only runs in the status bar.
Use a MenuBarExtra
scene to render a persistent control in the system menu bar with the native SwiftUI lifecycle. (Xcode 14.2, macOS Ventura)
#main
struct MyStatubarMenuApp: App {
var body: some Scene {
// -- no WindowGroup required --
// -- no AppDelegate needed --
MenuBarExtra("😎") {
Text("Hello Status Bar Menu!")
Divider()
Button(…)
MyCustomSubmenu()
}
}
}
Note: Add and set Application is agent = YES in Info.plist for the app icon to not show on the dock.
I'm trying to show a WKWebView in SwiftUI on MacOS. When the app initially loads, the WKWebView has a large, white bar at the top. Moving or resizing the window causes this to immediately disappear and display correctly. Interestingly, the blue border around the view does not exhibit the bad behavior.
My guess is that I'm missing some action in updateNSView.
I'm on MacOS 11.1 Big Sur, Xcode 12.2, Intel. Another thing to note is that I need to enable the "Outgoing Connections" entitlement in the App Sandbox to get WKWebView to render anything at all, even tho the content is provided locally from a string.
import SwiftUI
import WebKit
#main
struct ProblemWKWebViewApp: App {
var body: some Scene {
WindowGroup {
SwiftUIWebView()
.border(Color.blue, width: 2)
}
}
}
struct SwiftUIWebView: NSViewRepresentable {
public typealias NSViewType = WKWebView
func makeNSView(context: Context) -> WKWebView {
let webView = WKWebView()
webView.loadHTMLString("<body style=\"background-color: red;\"><h1>Hello World!</h1></body>", baseURL: nil)
return webView
}
func updateNSView(_ nsView: WKWebView, context: Context) {
}
}
I had the same problem. I suppose that it is a bug. However I managed to fix it with adding ignoresSafeArea():
#main
struct ProblemWKWebViewApp: App {
var body: some Scene {
WindowGroup {
SwiftUIWebView()
.border(Color.blue, width: 2)
// Shows weird black bar on top without this on macOS
.ignoresSafeArea()
}
}
}
I am trying to use the NSVisualEffectView in my project with SwiftUI. This is how I imported it:
struct VisualEffectView: NSViewRepresentable {
func makeNSView(context: Context) -> NSVisualEffectView {
let view = NSVisualEffectView()
view.blendingMode = .withinWindow
view.isEmphasized = true
view.material = .sidebar
return view
}
func updateNSView(_ nsView: NSVisualEffectView, context: Context) {
}
}
Then this is how I am using it
var body: some View {
ZStack {
Image("someImage")
SomeText()
.background(VisualEffectView())
}
}
Eventually, it showed up on the screen as a box grey box without translucent or blur. Anyone know what I am missing from the example above? Thank you for your help
I'm using a 3rd party library developed with UIKit. It's API needs a reference to a UIView.
How can I use this library inside SwiftUI? And how can I convert a SwiftUI view to a UIView?
I've tried creating a UIViewRepresentable like this:
struct SomeView: UIViewRepresentable {
let contentViewController: UIViewController
init<Content: View>(contentView: Content) {
self.contentViewController = UIHostingController(rootView: contentView)
}
func makeUIView(context: Context) -> UIKitView {
// Whatever I do here doesn't work. Frame is always 0
contentViewController.loadViewIfNeeded()
contentViewController.view.setNeedsDisplay()
contentViewController.view.layoutIfNeeded()
print(contentViewController.view.frame)
let uikitView = UIKitView()
uikitView.show(contentViewController.view)
return popover
}
func updateUIView(_ uiView: UIKitView, context: Context) {
}
}