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38 lines
1.6 KiB
Swift
38 lines
1.6 KiB
Swift
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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@_exported import Foundation // Clang module
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@_silgen_name("NS_Swift_NSUndoManager_registerUndoWithTargetHandler")
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internal func NS_Swift_NSUndoManager_registerUndoWithTargetHandler(
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_ self_: AnyObject,
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_ target: AnyObject,
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_ handler: @escaping @convention(block) (AnyObject) -> Void)
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extension UndoManager {
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@available(*, unavailable, renamed: "registerUndo(withTarget:handler:)")
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public func registerUndoWithTarget<TargetType : AnyObject>(_ target: TargetType, handler: (TargetType) -> Void) {
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fatalError("This API has been renamed")
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}
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@available(OSX 10.11, iOS 9.0, *)
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public func registerUndo<TargetType : AnyObject>(withTarget target: TargetType, handler: @escaping (TargetType) -> Void) {
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// The generic blocks use a different ABI, so we need to wrap the provided
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// handler in something ObjC compatible.
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let objcCompatibleHandler: (AnyObject) -> Void = { internalTarget in
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handler(internalTarget as! TargetType)
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}
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NS_Swift_NSUndoManager_registerUndoWithTargetHandler(
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self as AnyObject, target as AnyObject, objcCompatibleHandler)
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}
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}
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