62 lines
1.9 KiB
Swift
62 lines
1.9 KiB
Swift
import Cocoa
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@objc enum KeyCode: UInt16 {
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case none = 0
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case enter = 76
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case up = 126
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case down = 125
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case left = 123
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case right = 124
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case pageUp = 116
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case pageDown = 121
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case home = 115
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case end = 119
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case delete = 117
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}
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@objc class KeyHandlerInput: NSObject {
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@objc private (set) var event: NSEvent
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@objc private (set) var useVerticalMode: Bool
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@objc var inputText: String? {
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event.characters
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}
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@objc var keyCode: UInt16 {
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event.keyCode
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}
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@objc var flags: NSEvent.ModifierFlags {
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event.modifierFlags
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}
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@objc private (set) var charCode: UInt16
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@objc private (set) var cursorForwardKey: KeyCode
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@objc private (set) var cursorBackwardKey: KeyCode
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@objc private (set) var extraChooseCandidateKey: KeyCode
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@objc private (set) var absorbedArrowKey: KeyCode
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@objc private (set) var verticalModeOnlyChooseCandidateKey: KeyCode
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@objc private (set) var emacsKey: McBopomofoEmacsKey
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@objc init(event: NSEvent, isVerticalMode: Bool) {
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self.event = event
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self.useVerticalMode = isVerticalMode
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let charCode: UInt16 = {
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guard let inputText = event.characters, inputText.count > 0 else {
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return 0
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}
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let first = inputText[inputText.startIndex].utf16.first!
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return first
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}()
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self.charCode = charCode
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self.emacsKey = EmacsKeyHelper.detect(charCode: charCode, flags: event.modifierFlags)
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self.cursorForwardKey = useVerticalMode ? .down : .right
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self.cursorBackwardKey = useVerticalMode ? .up : .left
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self.extraChooseCandidateKey = useVerticalMode ? .left : .down
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self.absorbedArrowKey = useVerticalMode ? .right : .up
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self.verticalModeOnlyChooseCandidateKey = useVerticalMode ? absorbedArrowKey : .none
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super.init()
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}
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}
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