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@steipete
Forked from chriseidhof/boilerplate.swift
Created May 15, 2020 21:18
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QuickMacApp
// Run any SwiftUI view as a Mac app.
import Cocoa
import SwiftUI
public func run<V: View>(view: V) {
let delegate = AppDelegate(view)
let app = NSApplication.shared
NSApp.setActivationPolicy(.regular)
app.mainMenu = app.customMenu
app.delegate = delegate
app.run()
}
// Inspired by https://www.cocoawithlove.com/2010/09/minimalist-cocoa-programming.html
extension NSApplication {
var customMenu: NSMenu {
let appMenu = NSMenuItem()
appMenu.submenu = NSMenu()
let appName = ProcessInfo.processInfo.processName
appMenu.submenu?.addItem(NSMenuItem(title: "About \(appName)", action: #selector(NSApplication.orderFrontStandardAboutPanel(_:)), keyEquivalent: ""))
appMenu.submenu?.addItem(NSMenuItem.separator())
let services = NSMenuItem(title: "Services", action: nil, keyEquivalent: "")
self.servicesMenu = NSMenu()
services.submenu = self.servicesMenu
appMenu.submenu?.addItem(services)
appMenu.submenu?.addItem(NSMenuItem.separator())
appMenu.submenu?.addItem(NSMenuItem(title: "Hide \(appName)", action: #selector(NSApplication.hide(_:)), keyEquivalent: "h"))
let hideOthers = NSMenuItem(title: "Hide Others", action: #selector(NSApplication.hideOtherApplications(_:)), keyEquivalent: "h")
hideOthers.keyEquivalentModifierMask = [.command, .option]
appMenu.submenu?.addItem(hideOthers)
appMenu.submenu?.addItem(NSMenuItem(title: "Show All", action: #selector(NSApplication.unhideAllApplications(_:)), keyEquivalent: ""))
appMenu.submenu?.addItem(NSMenuItem.separator())
appMenu.submenu?.addItem(NSMenuItem(title: "Quit \(appName)", action: #selector(NSApplication.terminate(_:)), keyEquivalent: "q"))
let windowMenu = NSMenuItem()
windowMenu.submenu = NSMenu(title: "Window")
windowMenu.submenu?.addItem(NSMenuItem(title: "Minmize", action: #selector(NSWindow.miniaturize(_:)), keyEquivalent: "m"))
windowMenu.submenu?.addItem(NSMenuItem(title: "Zoom", action: #selector(NSWindow.performZoom(_:)), keyEquivalent: ""))
windowMenu.submenu?.addItem(NSMenuItem.separator())
windowMenu.submenu?.addItem(NSMenuItem(title: "Show All", action: #selector(NSApplication.arrangeInFront(_:)), keyEquivalent: "m"))
let mainMenu = NSMenu(title: "Main Menu")
mainMenu.addItem(appMenu)
mainMenu.addItem(windowMenu)
return mainMenu
}
}
class AppDelegate<V: View>: NSObject, NSApplicationDelegate, NSWindowDelegate {
init(_ contentView: V) {
self.contentView = contentView
}
var window: NSWindow!
var hostingView: NSView?
var contentView: V
func applicationDidFinishLaunching(_ notification: Notification) {
window = NSWindow(
contentRect: NSRect(x: 0, y: 0, width: 480, height: 300),
styleMask: [.titled, .closable, .miniaturizable, .resizable, .fullSizeContentView],
backing: .buffered, defer: false)
window.center()
window.setFrameAutosaveName("Main Window")
hostingView = NSHostingView(rootView: contentView)
window.contentView = hostingView
window.makeKeyAndOrderFront(nil)
window.delegate = self
NSApp.activate(ignoringOtherApps: true)
}
}
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