aa92d0e676
- M0: libghostty SSH 终端（渲染/输入/连接）+ 白屏修复(OutputGate) + 会话状态机/自动重连 - M1: tsnet 用户态组网 + SSH-over-tsnet(fd 桥)，shell 级真机验证；R5(Go+gvisor+C+++Swift 同进程) retire - M1.5: tmux -CC 原生 tab（MVP） - 结构: packages/(TXCore·TXTransport), apps/TerminalX, vendor/(libghostty-spm/libssh2/mbedtls/tsnet-bridge), artifacts/ - 文档: CLAUDE.md + docs/HANDOFF.md（新会话入口） - 环境: 认证代理→依赖 vendor 本地化；Go 在 ~/.local/go；仅模拟器/未签名 - 待续: M2 mosh, tmux 多 pane, M4 安全(host key/SE) Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
82 lines
2.5 KiB
Swift
82 lines
2.5 KiB
Swift
//
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// TerminalStickyModifierState.swift
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// libghostty-spm
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//
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#if canImport(UIKit) && !targetEnvironment(macCatalyst)
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import Foundation
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@MainActor
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final class TerminalStickyModifierState {
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enum Activation { case inactive, armed, locked }
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enum Modifier { case ctrl, alt, command }
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private(set) var ctrl: Activation = .inactive
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private(set) var alt: Activation = .inactive
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private(set) var command: Activation = .inactive
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var onChange: (() -> Void)?
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private var lastCtrlTap: Date = .distantPast
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private var lastAltTap: Date = .distantPast
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private var lastCommandTap: Date = .distantPast
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private let doubleTapInterval: TimeInterval = 0.3
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func toggle(_ modifier: Modifier) {
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switch modifier {
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case .ctrl:
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ctrl = nextActivation(ctrl, lastTap: lastCtrlTap)
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lastCtrlTap = Date()
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case .alt:
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alt = nextActivation(alt, lastTap: lastAltTap)
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lastAltTap = Date()
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case .command:
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command = nextActivation(command, lastTap: lastCommandTap)
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lastCommandTap = Date()
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}
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onChange?()
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}
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func consumeForNextKey() -> TerminalInputModifiers {
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var mods = TerminalInputModifiers()
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if ctrl != .inactive { mods.insert(.ctrl) }
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if alt != .inactive { mods.insert(.alt) }
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if command != .inactive { mods.insert(.super_) }
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if ctrl == .armed { ctrl = .inactive }
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if alt == .armed { alt = .inactive }
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if command == .armed { command = .inactive }
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onChange?()
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return mods
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}
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var hasActiveModifiers: Bool {
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ctrl != .inactive || alt != .inactive || command != .inactive
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}
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func reset() {
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guard hasActiveModifiers else { return }
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ctrl = .inactive
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alt = .inactive
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command = .inactive
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onChange?()
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}
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private func nextActivation(
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_ current: Activation,
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lastTap: Date
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) -> Activation {
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switch current {
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case .inactive:
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return .armed
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case .armed:
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if Date().timeIntervalSince(lastTap) < doubleTapInterval {
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return .locked
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}
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return .inactive
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case .locked:
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return .inactive
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}
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}
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}
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#endif
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