VisionOSApp.swift

/*
 *  Copyright 2026 Diligent Graphics LLC
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *  In no event and under no legal theory, whether in tort (including negligence),
 *  contract, or otherwise, unless required by applicable law (such as deliberate
 *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
 *  liable for any damages, including any direct, indirect, special, incidental,
 *  or consequential damages of any character arising as a result of this License or
 *  out of the use or inability to use the software (including but not limited to damages
 *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and
 *  all other commercial damages or losses), even if such Contributor has been advised
 *  of the possibility of such damages.
 */

import SwiftUI

/// Stable SwiftUI scene identifiers used by `openImmersiveSpace` /
/// `dismissImmersiveSpace` and by the launcher `WindowGroup`.
enum AppSceneID
{
    static let launcherWindow  = "LauncherWindow"
    static let immersiveSpace  = "ImmersiveSpace"
}

@main
struct VisionOSApp: App
{
    @State private var model = ImmersiveModel()

    var body: some Scene
    {
        WindowGroup(id: AppSceneID.launcherWindow)
        {
            LauncherView()
        }
        .windowStyle(.plain)
        .windowResizability(.contentSize)
        .defaultSize(width: 800, height: 640)
        .environment(model)

        ImmersiveSpace(id: AppSceneID.immersiveSpace)
        {
            ImmersiveView()
        }
        .immersionStyle(selection: .constant(.full), in: .full)
        .environment(model)
    }
}