Rocky
320dc777c9
Add save-to-Notes export and direct map handoff while aligning multi-touch typing, period shortcuts, return actions, and navigation visuals with system behavior.
29 lines
1.2 KiB
Swift
29 lines
1.2 KiB
Swift
// PeriodShortcut.swift
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// OSGKeyboard · Shared
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//
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// iOS "." Shortcut: a second Space shortly after a Space that follows a
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// word character becomes ". " and arms sentence Shift.
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import Foundation
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public enum PeriodShortcut: Sendable {
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/// Window for the second Space tap. Slow consecutive spaces stay spaces.
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public static let doubleTapInterval: TimeInterval = 0.45
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/// Whether `precedingText` (already including the first space) can take
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/// the shortcut: `…X ` where X is a letter or number, not a terminator.
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public static func shouldReplacePreviousSpace(precedingText: String) -> Bool {
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guard precedingText.last == " " else { return false }
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guard let previous = precedingText.dropLast().last else { return false }
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if previous.isWhitespace || previous.isNewline { return false }
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return previous.isLetter || previous.isNumber
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}
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/// After inserting a space, arm only when that space followed a word char.
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public static func shouldArm(afterSpaceFollowing precedingBeforeSpace: String) -> Bool {
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guard let last = precedingBeforeSpace.last else { return false }
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if last.isWhitespace || last.isNewline { return false }
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return last.isLetter || last.isNumber
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}
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}
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