104 lines
2.8 KiB
Swift
104 lines
2.8 KiB
Swift
// (c) 2022 and onwards The vChewing Project (MIT-NTL License).
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// ====================
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// This code is released under the MIT license (SPDX-License-Identifier: MIT)
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// ... with NTL restriction stating that:
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// No trademark license is granted to use the trade names, trademarks, service
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// marks, or product names of Contributor, except as required to fulfill notice
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// requirements defined in MIT License.
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import AppKit
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// MARK: - NSEvent - Conforming to InputSignalProtocol
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extension NSEvent: InputSignalProtocol {
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public var keyModifierFlags: KBEvent.ModifierFlags {
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.init(rawValue: keyModifierFlagsNS.rawValue)
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}
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}
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// MARK: - NSEvent - Translating to KBEvent
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public extension NSEvent? {
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var copyAsKBEvent: KBEvent? {
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self?.copyAsKBEvent ?? nil
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}
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}
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public extension NSEvent {
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var copyAsKBEvent: KBEvent? {
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guard let typeKB = type.toKB else { return nil }
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// NSEvent 只是個外表皮，裡面有好幾個影子 class。
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// 不是所有的影子 class 都有「characters」和「isARepeated」。
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// 貿然存取的話，會觸發 NSInternalInconsistencyException。
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// 已知 FlagsChanged 類型的事件是如此，那就對這個類型做例外處理。
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return .init(
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with: typeKB,
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modifierFlags: modifierFlags.toKB,
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timestamp: timestamp,
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windowNumber: windowNumber,
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characters: typeKB != .flagsChanged ? characters : nil,
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charactersIgnoringModifiers: typeKB != .flagsChanged ? charactersIgnoringModifiers : nil,
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isARepeat: typeKB != .flagsChanged ? isARepeat : nil,
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keyCode: keyCode
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)
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}
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}
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public extension NSEvent.EventType {
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var toKB: KBEvent.EventType? {
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switch self {
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case .flagsChanged: return .flagsChanged
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case .keyDown: return .keyDown
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case .keyUp: return .keyUp
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default: return nil
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}
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}
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}
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public extension NSEvent.ModifierFlags {
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var toKB: KBEvent.ModifierFlags {
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.init(rawValue: rawValue)
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}
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}
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// MARK: - KBEvent - Translating to NSEvent
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public extension KBEvent? {
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var copyAsNSEvent: NSEvent? {
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self?.copyAsNSEvent ?? nil
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}
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}
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public extension KBEvent {
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var copyAsNSEvent: NSEvent? {
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NSEvent.keyEvent(
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with: type.toNS,
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location: .zero,
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modifierFlags: modifierFlags.toNS,
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timestamp: timestamp,
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windowNumber: windowNumber,
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context: nil,
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characters: characters ?? "",
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charactersIgnoringModifiers: charactersIgnoringModifiers ?? "",
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isARepeat: isARepeat,
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keyCode: keyCode
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)
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}
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}
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public extension KBEvent.EventType {
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var toNS: NSEvent.EventType {
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switch self {
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case .flagsChanged: return .flagsChanged
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case .keyDown: return .keyDown
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case .keyUp: return .keyUp
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}
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}
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}
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public extension KBEvent.ModifierFlags {
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var toNS: NSEvent.ModifierFlags {
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.init(rawValue: rawValue)
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}
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}
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