65 lines
1.5 KiB
Swift

//
// App.swift
// Adwaita
//
// Created by david-swift on 05.08.23.
//
import Libadwaita
/// A structure conforming to `App` is the entry point of your app.
///
/// ```swift
/// @main
/// struct Test: App {
///
/// let id = "io.github.AparokshaUI.TestApp"
/// var app: GTUIApp!
///
/// var scene: Scene {
/// WindowScene()
/// }
///
/// }
/// ```
///
public protocol App {
/// The app's application ID.
var id: String { get }
/// The app's windows.
@SceneBuilder var scene: Scene { get }
// swiftlint:disable implicitly_unwrapped_optional
/// The app.
var app: GTUIApp! { get set }
// swiftlint:enable implicitly_unwrapped_optional
/// An app has to have an `init()` initializer.
init()
}
extension App {
/// The application's entry point.
public static func main() {
var appInstance = self.init()
appInstance.app = GTUIApp(appInstance.id) { appInstance }
GTUIApp.updateHandlers.append {
var removeIndices: [Int] = []
for (index, window) in appInstance.app.sceneStorage.enumerated() {
if window.destroy {
removeIndices.insert(index, at: 0)
} else if let scene = appInstance.scene.windows().first(where: { $0.id == window.id }) {
scene.update(window, app: appInstance.app)
}
}
for index in removeIndices {
appInstance.app.sceneStorage.remove(at: index)
}
}
appInstance.app.run()
}
}