UTM/Platform/macOS/UTMPatches.swift

59 lines
2.3 KiB
Swift

//
// Copyright © 2022 osy. All rights reserved.
//
// 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.
//
import Foundation
/// Handles Obj-C patches to fix AppKit issues
final class UTMPatches {
static private var isPatched: Bool = false
/// Installs the patches
/// TODO: Some thread safety/race issues etc
static func patchAll() {
NSKeyedUnarchiver.patchToolbarItem()
// SwiftUI bug: works around crash due to "already had more Update Constraints in Window passes than there are views in the window" exception
UserDefaults.standard.set(false, forKey: "NSWindowAssertWhenDisplayCycleLimitReached")
}
}
fileprivate extension NSObject {
static func patch(_ original: Selector, with swizzle: Selector, class cls: AnyClass?) {
let originalMethod = class_getInstanceMethod(cls, original)!
let swizzleMethod = class_getInstanceMethod(cls, swizzle)!
method_exchangeImplementations(originalMethod, swizzleMethod)
}
}
/// Patch unarchiving XIB objeccts
extension NSKeyedUnarchiver {
@objc dynamic func xxx_decodeObject(forKey key: String) -> Any? {
switch key {
case "NSMenuToolbarItemImage": return xxx_decodeObject(forKey: "NSToolbarItemImage")
case "NSMenuToolbarItemTitle": return xxx_decodeObject(forKey: "NSToolbarItemTitle")
case "NSMenuToolbarItemTarget": return xxx_decodeObject(forKey: "NSToolbarItemTarget")
case "NSMenuToolbarItemAction": return xxx_decodeObject(forKey: "NSToolbarItemAction")
default: return xxx_decodeObject(forKey: key)
}
}
/// Workaround for exception when creating NSMenuToolbarItem from XIB
fileprivate static func patchToolbarItem() {
patch(#selector(Self.decodeObject(forKey:)),
with: #selector(Self.xxx_decodeObject(forKey:)),
class: Self.self)
}
}