8da725114f
- 顶带：实心圆窗口按钮、无边框 tab 胶囊、右上 mosh/SSH 协议徽标 - 减法：删「新建 window/回首页」按钮、tab 组 +、pane 拖拽调宽， window/pane 管理交还 tmux（连带清理 resizePane/newWindow/ui-resize） - 底部状态行去重：只留链路 + tmux 概览，协议由顶带徽标独占 - 徽标全局统一：淡染底+同色文字胶囊（线框废除），拼写走 TXTech 规范 - CLAUDE.md 记录无头截图横屏帧缓冲右侧裁切大坑 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
462 lines
23 KiB
Swift
462 lines
23 KiB
Swift
import Foundation
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import GhosttyTerminal
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import TXCore
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/// 一个 pane 的独立终端面：session + surface state + 输出闸门。
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@MainActor
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final class TmuxPaneSurface: ObservableObject, Identifiable {
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let id: TmuxPaneID
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let state: TerminalViewState
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let session: InMemoryTerminalSession
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let gate: OutputGate
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/// 来自 layout rect 的字符格子（cols×rows），供渲染 frame 与断言参考。
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var grid: (cols: Int, rows: Int)
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/// 初始 `capture-pane` 应答到达前丢弃该 pane 的 %output（避免与快照重复）；tmux 单线程串行保证正确。
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var awaitingCapture = true
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init(id: TmuxPaneID, cols: Int, rows: Int,
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onInput: @escaping @Sendable (Data) -> Void,
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onViewport: @escaping @Sendable (Int, Int, Int, Int) -> Void) {
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self.id = id
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self.grid = (cols, rows)
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let session = InMemoryTerminalSession(
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write: { data in onInput(data) }, // 输入直接绑到本 pane → send-keys -t %self
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// tmux 模式：surface resize 上报**真实格子 + cell 像素**（cols/rows/cellW/cellH）。
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// controller 只在「单 pane window」时把它当客户端尺寸的权威（见 paneViewportChanged），
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// 多 pane 下仅刷新 cell 缓存 —— 依旧不构成反馈环。
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resize: { vp in onViewport(Int(vp.columns), Int(vp.rows),
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Int(vp.cellWidthPixels), Int(vp.cellHeightPixels)) }
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)
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let state = TerminalViewState()
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state.configuration = TerminalSurfaceOptions(backend: .inMemory(session))
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_ = state.controller.setTheme(.txDefault) // Catppuccin Mocha 终端配色
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self.session = session
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self.state = state
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self.gate = OutputGate(session: session)
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}
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}
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/// 一个 tmux window：持有多 pane surface + 布局树（渲染用可见树 / diff 用完整树）。
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@MainActor
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final class TmuxWindow: ObservableObject, Identifiable {
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let id: TmuxWindowID
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/// tmux `#{window_index}`（用户可见编号，轨道/侧边栏显示这个；`id` 是内部 `@N`）。
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@Published var index: Int
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@Published var title: String
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/// 活动 pane 的工作目录（`#{pane_current_path}`）。title 是 shell 默认值时 UI 回退显示它。
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@Published var cwd: String = ""
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@Published var panes: [TmuxPaneID: TmuxPaneSurface] = [:]
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/// 渲染用：zoom 时只含被 zoom 的 pane。
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@Published var visibleLayout: TmuxLayout?
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/// pane 集合 diff 用：完整树。
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var fullLayout: TmuxLayout?
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@Published var activePane: TmuxPaneID?
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init(id: TmuxWindowID, index: Int, title: String) {
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self.id = id; self.index = index; self.title = title
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}
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}
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/// tmux control-mode 网关：消费 `%`-协议流，把 window 映射为原生 tab、window 内多 pane 映射为分屏。
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/// 尺寸走"路线 b"：app 按全屏格子发 `refresh-client -C WxH` 让 tmux 布局，pane surface 尺寸严格取
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/// layout rect（%output 按 tmux pane 宽高排版，二者一致才不换行/清屏错乱）。
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@MainActor
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final class TmuxController: ObservableObject {
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@Published private(set) var windows: [TmuxWindow] = []
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@Published var activeWindowID: TmuxWindowID?
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private let parser = TmuxControlParser()
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private var windowByID: [TmuxWindowID: TmuxWindow] = [:]
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private var surfaceByPane: [TmuxPaneID: TmuxPaneSurface] = [:] // %output O(1) 按 pane 路由
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private var paneToWindow: [TmuxPaneID: TmuxWindowID] = [:]
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private let sendRaw: @Sendable (Data) -> Void
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var onExit: (() -> Void)?
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private var clientCols = 80, clientRows = 24
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/// 客户端格子对外快照（顶栏胶囊显示用 —— tmux 模式下 raw 的 screenGrid 已随 RawTerminalView 卸载冻结）。
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@Published private(set) var clientGrid: (cols: Int, rows: Int) = (0, 0)
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private var cellWpx = 0, cellHpx = 0 // cell 设备像素（换算容器点尺寸→格子）
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private var lastSentCols = 0, lastSentRows = 0
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private var resizeDebounce: Task<Void, Never>?
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// control-mode 命令应答 FIFO 匹配。
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private var attachAcked = false
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private enum PendingKind: CustomStringConvertible {
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case ignore, listWindows, currentSession, capturePane(TmuxPaneID)
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var description: String {
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switch self {
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case .ignore: "ignore"
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case .listWindows: "listWindows"
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case .currentSession: "currentSession"
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case .capturePane(let p): "capturePane(%\(p.raw))"
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}
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}
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}
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private var pending: [PendingKind] = []
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// attach kickoff（refresh-client + list-windows + 各 pane capture）必须等"容器真实几何已知"再发：
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// pane 的 ghostty grid 尺寸由容器像素几何决定（tab 条吃掉顶部高度），一开始就 ≠ raw 全屏格子。
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// 若先按 raw 尺寸 attach+capture，快照行数 > pane grid 行数 → 铺快照时溢出上滚 → 提示符被拆/内容钉底。
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// 故 kickoff 双条件：attach 首应答已到 ∧ 容器几何已到（先到者等后到者触发）。
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private var containerKnown = false
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private var kickoffDone = false
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/// format 字段分隔符。**不要用 tab**：真机实测 tab 经 PTY 到 tmux 后变成下划线，
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/// 导致 list-windows/list-sessions 整行分不开（title/cwd/会话名全丢，UI 显示兜底名）。
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/// 也不能用 `#`（tmux format 里 `#{}`/`##` 有特殊含义）。
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static let fieldSep = "|:|"
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init(sendRaw: @escaping @Sendable (Data) -> Void) {
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self.sendRaw = sendRaw
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}
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/// attach 序列启动器：仅当 attach 应答与容器几何都就绪时发一次（refresh-client 用容器换算尺寸）。
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private func kickoffIfReady() {
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guard attachAcked, containerKnown, !kickoffDone else { return }
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kickoffDone = true
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lastSentCols = clientCols; lastSentRows = clientRows // 后续实测同值时不再重发
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NSLog("TMUXDBG kickoff refresh-client -C \(clientCols)x\(clientRows)")
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sendCommand("refresh-client -C \(clientCols)x\(clientRows)") // raw surface 实测格子（非像素换算）
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pending.append(.ignore)
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let sep = Self.fieldSep
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sendCommand("list-windows -F \"#{window_id}\(sep)#{window_name}\(sep)#{window_active}\(sep)#{window_layout}\(sep)#{window_visible_layout}\(sep)#{pane_current_path}\(sep)#{window_index}\"")
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pending.append(.listWindows)
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// 本客户端所在的会话名。**不能**用 list-sessions 的 `session_attached` 反推——
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// 服务器上别的客户端 attach 着其它会话时会猜错（真机实测把 `demo` 当成了当前会话）。
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sendCommand("display-message -p \"#{session_name}\"")
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pending.append(.currentSession)
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}
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/// 由 model 在 attach 前告知全屏格子（tmux 据此 refresh-client -C 布局）。
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func setClientSize(cols: Int, rows: Int) {
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clientCols = max(1, cols); clientRows = max(1, rows)
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clientGrid = (clientCols, clientRows)
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}
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/// cell 设备像素（来自 raw 终端或 pane surface metrics）。
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func setCellPixels(w: Int, h: Int) { if w > 0 { cellWpx = w }; if h > 0 { cellHpx = h } }
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/// pane surface 的真实格子上报 —— **客户端尺寸的权威来源**。
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///
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/// 像素除法（containerResized）复刻不了 ghostty 内部的取整/内边距：真机与模拟器实测
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/// 「容器 px ÷ 整数 cell px」比 surface 真实格子**偏大 1 行/列**（如算得 164×51、真实 163×50）。
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/// 偏大意味着远端按更宽的行排版、surface 按真实宽度自动换行 → 每条满宽行掉字符，
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/// 全屏 TUI（Claude Code 等）重绘几轮就积累成行首碎片（真机花屏根因）。
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/// 单 pane window 的 pane 帧恒等于容器帧，其 ghostty 实测格子就是客户端应有的格子 ——
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/// 用它发 refresh-client。帧尺寸只由容器决定、不受 tmux 布局影响，故没有反馈环。
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func paneViewportChanged(pane: TmuxPaneID, cols: Int, rows: Int, cellW: Int, cellH: Int) {
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setCellPixels(w: cellW, h: cellH)
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guard kickoffDone, cols > 0, rows > 0 else { return }
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// 多 pane window 的 pane 帧只是容器的比例切片，格子代表不了客户端整体 → 只刷 cell 缓存。
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guard let w = paneToWindow[pane], windowByID[w]?.panes.count == 1 else { return }
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guard cols != lastSentCols || rows != lastSentRows else { return }
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lastSentCols = cols; lastSentRows = rows
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clientCols = cols; clientRows = rows
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clientGrid = (cols, rows)
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resizeDebounce?.cancel()
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resizeDebounce = Task { [weak self] in
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try? await Task.sleep(nanoseconds: 120_000_000) // 合并侧边栏动画期间的连续变化
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guard !Task.isCancelled, let self else { return }
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NSLog("TMUXDBG pane-measured refresh-client -C \(cols)x\(rows)")
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self.sendCommand("refresh-client -C \(cols)x\(rows)")
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}
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}
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/// 容器尺寸变化（iPadOS 拖拽窗口/旋转/分屏）：换算总格子 → 去重 + debounce → refresh-client -C。
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/// 尺寸只来自"容器点尺寸 × displayScale ÷ cell 像素"，**仅作兜底**：有单 pane window 在场时
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/// 让位给 paneViewportChanged 的实测格子（像素除法会偏大 1 行/列，见其注释）。
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func containerResized(widthPt: CGFloat, heightPt: CGFloat, scale: CGFloat) {
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guard cellWpx > 0, cellHpx > 0, widthPt > 0, heightPt > 0, scale > 0 else { return }
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containerKnown = true
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if !kickoffDone {
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// kickoff 初值不用像素换算覆盖 —— setClientSize 已带 raw surface 的真实格子
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// （attach 前 RawTerminalView 与 TmuxStage 同槽同尺寸，ghostty 实测值可直接沿用）。
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NSLog("TMUXDBG containerKnown pt=\(Int(widthPt))x\(Int(heightPt)) -> kickoff with real grid \(clientCols)x\(clientRows)")
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kickoffIfReady()
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return
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}
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if windows.contains(where: { $0.panes.count == 1 }) { return } // 实测路径接管
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let cols = max(1, Int(widthPt * scale / CGFloat(cellWpx)))
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let rows = max(1, Int(heightPt * scale / CGFloat(cellHpx)))
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guard cols != lastSentCols || rows != lastSentRows else { return }
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lastSentCols = cols; lastSentRows = rows
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clientCols = cols; clientRows = rows
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clientGrid = (cols, rows)
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NSLog("TMUXDBG containerResized pt=\(Int(widthPt))x\(Int(heightPt)) scale=\(scale) cell=\(cellWpx)x\(cellHpx) -> \(cols)x\(rows)")
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resizeDebounce?.cancel()
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resizeDebounce = Task { [weak self] in
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try? await Task.sleep(nanoseconds: 200_000_000) // 合并拖拽期间的连续变化
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guard !Task.isCancelled, let self, self.kickoffDone else { return }
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NSLog("TMUXDBG refresh-client -C \(cols)x\(rows)")
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self.sendCommand("refresh-client -C \(cols)x\(rows)") // tmux 重排 → 回 %layout-change → 更新 frame
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}
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}
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/// 本客户端所在的 tmux 会话名（`display-message -p "#{session_name}"` 的权威答案）。
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/// 拿不到时为空串 —— UI 只显示「tmux」而不编造名字。
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@Published private(set) var currentSessionName = ""
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var activeWindow: TmuxWindow? {
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guard let id = activeWindowID else { return windows.first }
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return windowByID[id]
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}
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/// 送入 control-mode 字节流。
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func feed(_ data: Data) {
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for event in parser.feed(data) { apply(event) }
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}
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// MARK: - 事件处理
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private func apply(_ event: TmuxEvent) {
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switch event {
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case .windowAdd(let w):
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_ = ensureWindow(w) // 布局稍后经 %layout-change 到来
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case .windowClose(let w), .unlinkedWindowClose(let w):
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removeWindow(w)
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case .windowRenamed(let w, let name):
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windowByID[w]?.title = name
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case .layoutChange(let w, let layout, let visible):
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applyLayout(window: w, full: layout, visible: visible ?? layout)
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case .windowPaneChanged(let w, let pane):
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paneToWindow[pane] = w
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windowByID[w]?.activePane = pane // 幂等：仅记录，不反向发 select-pane
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case .output(let pane, let data):
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routeOutput(pane, data)
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case .extendedOutput(let pane, _, let data):
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routeOutput(pane, data)
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case .sessionWindowChanged(_, let w):
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if windowByID[w] != nil { activeWindowID = w }
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case .commandResponse(let response):
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handleCommandResponse(response)
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case .exit:
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onExit?()
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default:
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break
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}
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}
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private func routeOutput(_ pane: TmuxPaneID, _ data: Data) {
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guard let s = surfaceByPane[pane] else { return }
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if s.awaitingCapture { return } // capture 快照前的输出丢弃（快照已含）
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s.gate.deliver(data)
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}
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/// 解析 layout → reconcile pane surface（增/删/留），设置渲染用可见树。
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private func applyLayout(window w: TmuxWindowID, full: String, visible: String) {
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let win = ensureWindow(w)
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guard let fullTree = try? TmuxLayout.parse(full) else { return }
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let visTree = (try? TmuxLayout.parse(visible)) ?? fullTree
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let newPanes = Set(fullTree.paneIDs)
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// 删除：不在新完整树里的 pane。
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for p in Array(win.panes.keys) where !newPanes.contains(p) {
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win.panes[p] = nil; surfaceByPane[p] = nil; paneToWindow[p] = nil
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}
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// 新增：为完整树里的所有 pane 建 surface（保内容跨 zoom）；grid 取可见树 rect（渲染尺寸）。
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walkLeaves(fullTree.root) { pane, rect in
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ensurePane(pane, window: w, cols: rect.width, rows: rect.height)
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}
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walkLeaves(visTree.root) { pane, rect in
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surfaceByPane[pane]?.grid = (rect.width, rect.height)
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}
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win.fullLayout = fullTree
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win.visibleLayout = visTree // 单次发布 → SwiftUI 单帧更新，无闪烁
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let rr = fullTree.root.rect
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NSLog("TMUXDBG layout win=@\(w.raw) root=\(rr.width)x\(rr.height) panes=\(fullTree.paneIDs.count)")
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if win.activePane == nil || !newPanes.contains(win.activePane!) {
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win.activePane = fullTree.paneIDs.first
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}
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}
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private func walkLeaves(_ node: TmuxLayout.Node, _ visit: (TmuxPaneID, TmuxLayout.Rect) -> Void) {
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switch node {
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case .leaf(let p, let r): visit(p, r)
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case .horizontal(let cs, _), .vertical(let cs, _): cs.forEach { walkLeaves($0, visit) }
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}
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}
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private func ensurePane(_ p: TmuxPaneID, window w: TmuxWindowID, cols: Int, rows: Int) {
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paneToWindow[p] = w
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guard let win = windowByID[w] else { return }
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if let existing = surfaceByPane[p] { existing.grid = (cols, rows); return } // 复用，不重建
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let surface = TmuxPaneSurface(
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id: p, cols: cols, rows: rows,
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onInput: { [weak self] data in self?.sendKeys(pane: p, data: data) },
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onViewport: { [weak self] c, r, cw, ch in
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Task { @MainActor in self?.paneViewportChanged(pane: p, cols: c, rows: r, cellW: cw, cellH: ch) }
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}
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)
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surfaceByPane[p] = surface
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win.panes[p] = surface
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// 抓初始屏（capture %end 后放行 %output）。
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pending.append(.capturePane(p))
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sendCommand("capture-pane -t %\(p.raw) -p -e -J")
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}
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/// control-mode 命令应答。第一个应答是 attach 隐式块 → 设尺寸 + 枚举 windows；之后按 FIFO 匹配。
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private func handleCommandResponse(_ r: TmuxCommandResponse) {
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if !attachAcked {
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attachAcked = true
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// kickoff 延后到容器几何已知（见 kickoffIfReady）：避免用 raw 全屏格子 attach 导致
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// 快照行数 > pane grid 行数、铺快照溢出上滚。几何先到则此处直接触发。
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kickoffIfReady()
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return
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}
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guard !pending.isEmpty else { return }
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let kind = pending.removeFirst()
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switch kind {
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case .ignore:
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break
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case .listWindows:
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for line in r.lines {
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let parts = line.components(separatedBy: Self.fieldSep)
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guard parts.count >= 5, let w = TmuxWindowID.parse(parts[0]) else {
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NSLog("TMUXDBG winparse FAILED count=\(parts.count) line=[\(line.prefix(160))]")
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continue
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}
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let win = ensureWindow(w)
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win.title = String(parts[1])
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if parts.count >= 6 { win.cwd = String(parts[5]) }
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if parts.count >= 7, let idx = Int(parts[6]) { win.index = idx }
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if parts[2] == "1" { activeWindowID = w }
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applyLayout(window: w, full: String(parts[3]), visible: String(parts[4]))
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}
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case .currentSession:
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if let name = r.lines.first?.trimmingCharacters(in: .whitespacesAndNewlines), !name.isEmpty {
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currentSessionName = name
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NSLog("TMUXDBG currentSession=\(name)")
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}
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case .capturePane(let p):
|
||
// 剔除尾部空行：capture-pane 常返回补满 pane 高度的尾随空行，若行数 > pane grid 行数，
|
||
// 铺快照（ESC[H + N-1 个 \r\n）会溢出上滚、把顶部内容顶出屏幕（提示符被拆/内容钉底）。
|
||
// ESC[H 铺法本身正确，前提是行数 ≤ grid 行数；trim 后冷启动近空屏恒成立。
|
||
var lines = r.lines
|
||
while lines.last?.isEmpty == true { lines.removeLast() }
|
||
let snapshot = lines.joined(separator: "\r\n")
|
||
if let s = surfaceByPane[p] {
|
||
if !snapshot.isEmpty {
|
||
// 归位后铺快照（不尾随换行，避免滚屏）。
|
||
s.gate.deliver(Data(("\u{1b}[H" + snapshot).utf8))
|
||
}
|
||
s.awaitingCapture = false // 放行后续 %output
|
||
}
|
||
}
|
||
}
|
||
|
||
@discardableResult
|
||
private func ensureWindow(_ w: TmuxWindowID) -> TmuxWindow {
|
||
if let existing = windowByID[w] { return existing }
|
||
// index 先用 id 占位，list-windows 应答到达后校正为真实 window_index。
|
||
let win = TmuxWindow(id: w, index: w.raw, title: "窗口 \(w.raw)")
|
||
windowByID[w] = win
|
||
windows.append(win)
|
||
windows.sort { $0.id.raw < $1.id.raw }
|
||
if activeWindowID == nil { activeWindowID = w }
|
||
return win
|
||
}
|
||
|
||
private func removeWindow(_ w: TmuxWindowID) {
|
||
if let win = windowByID[w] {
|
||
for p in win.panes.keys { surfaceByPane[p] = nil }
|
||
}
|
||
windowByID[w] = nil
|
||
windows.removeAll { $0.id == w }
|
||
paneToWindow = paneToWindow.filter { $0.value != w }
|
||
if activeWindowID == w { activeWindowID = windows.first?.id }
|
||
}
|
||
|
||
// MARK: - 命令 / 输入
|
||
|
||
func sendCommand(_ command: String) {
|
||
sendRaw(Data((command + "\n").utf8))
|
||
}
|
||
|
||
/// 某 pane 的 surface 收到用户输入 → send-keys -H 到该 pane（可能在非主线程被调，hop 到主线程）。
|
||
private nonisolated func sendKeys(pane p: TmuxPaneID, data: Data) {
|
||
let hex = data.map { String(format: "%02x", $0) }.joined(separator: " ")
|
||
Task { @MainActor in self.sendCommand("send-keys -t %\(p.raw) -H \(hex)") }
|
||
}
|
||
|
||
/// 点击 pane → 本地立即置活动 + 通知 tmux（%window-pane-changed 回来幂等应用）。
|
||
func selectPane(_ p: TmuxPaneID, in w: TmuxWindowID) {
|
||
windowByID[w]?.activePane = p
|
||
sendCommand("select-pane -t %\(p.raw)")
|
||
}
|
||
|
||
func selectWindow(_ w: TmuxWindowID) {
|
||
activeWindowID = w
|
||
sendCommand("select-window -t @\(w.raw)")
|
||
}
|
||
|
||
// MARK: - 关闭（UI-4）
|
||
|
||
// 注：window 的增删（new-window / kill-window）与 pane resize 已按「第一版减法」移除
|
||
// —— window/pane 管理完全交给 tmux 自己（prefix+c / prefix+& / prefix+方向键），app 只做
|
||
// 切换与被动渲染；app 内主动分屏（split-window / join-pane）更早已随「放弃移动端分屏」移除。
|
||
// 多 pane 的**被动渲染**保留 —— 别的客户端建好的分屏 attach 进来仍按 layout 正确显示。
|
||
|
||
/// 断开 tmux 客户端：**服务端会话继续跑**，下次原样接回。红点确认里的推荐动作。
|
||
/// tmux 会回 `%exit` → 既有 `onExit` 链路收尾。
|
||
func detach() { sendCommand("detach-client") }
|
||
|
||
/// 结束当前 tmux 会话（服务端进程一并结束）。红点确认里的危险次要动作，需再确认一次。
|
||
func killSession() { sendCommand("kill-session") }
|
||
|
||
/// 某 pane 的 surface 就绪 → 放行其缓冲输出。
|
||
func markPaneReady(_ p: TmuxPaneID) { surfaceByPane[p]?.gate.markReady() }
|
||
|
||
/// 切换主题：把新终端配色推给所有已存在的 pane surface。
|
||
func applyTerminalTheme(_ t: TerminalTheme) {
|
||
for s in surfaceByPane.values { _ = s.state.controller.setTheme(t) }
|
||
}
|
||
}
|
||
|
||
/// 传输字节分流器：检测 `tmux -CC` 进入 DCS 前 → 原始终端；进入后 → tmux 网关。
|
||
/// 在传输后台线程调用；原始字节走线程安全的 rawGate，网关字节经闭包 hop 到主线程。
|
||
final class TmuxRouter: @unchecked Sendable {
|
||
private let lock = NSLock()
|
||
private let rawGate: any RawOutputSink
|
||
private let enterGateway: @Sendable ([UInt8]) -> Void
|
||
private let gatewayBytes: @Sendable ([UInt8]) -> Void
|
||
private var carry: [UInt8] = []
|
||
private var inGateway = false
|
||
|
||
init(rawGate: any RawOutputSink,
|
||
enterGateway: @escaping @Sendable ([UInt8]) -> Void,
|
||
gatewayBytes: @escaping @Sendable ([UInt8]) -> Void) {
|
||
self.rawGate = rawGate
|
||
self.enterGateway = enterGateway
|
||
self.gatewayBytes = gatewayBytes
|
||
}
|
||
|
||
func feed(_ data: Data) {
|
||
lock.lock(); defer { lock.unlock() }
|
||
if inGateway {
|
||
gatewayBytes(Array(data))
|
||
return
|
||
}
|
||
let buf = carry + Array(data)
|
||
if let idx = TmuxControlSequence.find(TmuxControlSequence.enter, in: buf) {
|
||
let before = Array(buf[0 ..< idx])
|
||
let after = Array(buf[(idx + TmuxControlSequence.enter.count)...])
|
||
if !before.isEmpty { rawGate.deliver(Data(before)) }
|
||
inGateway = true
|
||
carry = []
|
||
enterGateway(after)
|
||
} else {
|
||
// 仅当结尾是哨兵部分前缀时滞留，避免延迟正常输出。
|
||
let k = TmuxControlSequence.partialTrailingMatchLength(TmuxControlSequence.enter, in: buf)
|
||
if buf.count > k {
|
||
rawGate.deliver(Data(buf[0 ..< (buf.count - k)]))
|
||
}
|
||
carry = k > 0 ? Array(buf.suffix(k)) : []
|
||
}
|
||
}
|
||
|
||
/// tmux 退出 → 回原始模式。
|
||
func reset() {
|
||
lock.lock(); inGateway = false; carry = []; lock.unlock()
|
||
}
|
||
}
|