| 1 | // termbridge sidebar. |
| 2 | // |
| 3 | // Owns the WebSocket directly. There is deliberately no relay through the |
| 4 | // service worker: `runtime.sendMessage` is reachable from content scripts, so |
| 5 | // routing terminal data through it would create exactly the bridge that lets a |
| 6 | // hostile page reach the shell. What does arrive from the worker — a finished |
| 7 | // pick, and the toggle shortcut's two window commands — is checked to have come |
| 8 | // from the extension itself, and none of it reaches the socket. |
| 9 | |
| 10 | // One of the two always exists — this file only ever runs as sidebar.html — but |
| 11 | // neither is declared unconditionally, so say which. |
| 12 | const api = /** @type {TbExtensionApi} */ (globalThis.browser ?? globalThis.chrome); |
| 13 | const storage = api.storage.local; |
| 14 | |
| 15 | /** |
| 16 | * Every id passed here is one this file's own sidebar.html declares, so a miss |
| 17 | * is a bug in the pair rather than a runtime condition to handle. Asserting |
| 18 | * that is what keeps the call sites readable. |
| 19 | * |
| 20 | * @param {string} id |
| 21 | * @returns {HTMLElement} |
| 22 | */ |
| 23 | const $ = (id) => /** @type {HTMLElement} */ (document.getElementById(id)); |
| 24 | |
| 25 | /** @param {string} id @returns {HTMLInputElement} */ |
| 26 | const $input = (id) => /** @type {HTMLInputElement} */ ($(id)); |
| 27 | /** @param {string} id @returns {HTMLTextAreaElement} */ |
| 28 | const $area = (id) => /** @type {HTMLTextAreaElement} */ ($(id)); |
| 29 | /** @param {string} id @returns {HTMLSelectElement} */ |
| 30 | const $select = (id) => /** @type {HTMLSelectElement} */ ($(id)); |
| 31 | /** @param {string} id @returns {HTMLButtonElement} */ |
| 32 | const $button = (id) => /** @type {HTMLButtonElement} */ ($(id)); |
| 33 | |
| 34 | const logEl = $("log"); |
| 35 | /** @param {string} m */ |
| 36 | const log = (m) => { |
| 37 | logEl.textContent += `${m}\n`; |
| 38 | logEl.scrollTop = logEl.scrollHeight; |
| 39 | }; |
| 40 | |
| 41 | const ORIGIN = location.origin; |
| 42 | $("pair-cmd").textContent = `termbridge pair ${ORIGIN}`; |
| 43 | |
| 44 | // --- terminal --------------------------------------------------------------- |
| 45 | |
| 46 | // --- theme ------------------------------------------------------------------- |
| 47 | |
| 48 | const darkQuery = window.matchMedia("(prefers-color-scheme: dark)"); |
| 49 | let themePref = "auto"; |
| 50 | let termReady = false; |
| 51 | |
| 52 | function currentTheme() { |
| 53 | return Themes.resolveTheme(themePref, darkQuery.matches); |
| 54 | } |
| 55 | |
| 56 | function applyTheme() { |
| 57 | const t = currentTheme(); |
| 58 | const root = document.documentElement; |
| 59 | for (const [k, v] of Object.entries(t.ui)) root.style.setProperty(k, v); |
| 60 | // Drives native scrollbars, form controls and the caret. |
| 61 | root.style.colorScheme = t.colorScheme; |
| 62 | if (termReady) term.options.theme = t.xterm; |
| 63 | $select("theme-select").value = themePref; |
| 64 | } |
| 65 | |
| 66 | /** @type {Record<string, { cls: string, hint: string }>} */ |
| 67 | const DENSITIES = { |
| 68 | normal: { cls: "", hint: "Session tabs, status text and icons." }, |
| 69 | compact: { cls: "compact", hint: "Tighter tabs — about one extra terminal row." }, |
| 70 | hidden: { cls: "chromeless", hint: "Hover the top edge of the panel to bring it back." }, |
| 71 | }; |
| 72 | let density = "normal"; |
| 73 | |
| 74 | function applyDensity() { |
| 75 | const d = DENSITIES[density] ?? DENSITIES.normal; |
| 76 | document.body.classList.remove("compact", "chromeless"); |
| 77 | if (d.cls) document.body.classList.add(d.cls); |
| 78 | $select("density-select").value = density; |
| 79 | $("density-hint").textContent = d.hint; |
| 80 | // The terminal has a different number of rows now. |
| 81 | if (termReady) { |
| 82 | fit.fit(); |
| 83 | sendSize(); |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | /** @param {string} value */ |
| 88 | function setDensity(value) { |
| 89 | density = DENSITIES[value] ? value : "normal"; |
| 90 | storage.set({ density }); |
| 91 | applyDensity(); |
| 92 | } |
| 93 | |
| 94 | /* --- tab modes -------------------------------------------------------------- |
| 95 | Two ways to lay out one tmux server, and the same status frame feeds both. |
| 96 | |
| 97 | "nested" is the panel's original shape and tmux's own: sessions on top, the |
| 98 | selected session's windows underneath. You always see one session's worth of |
| 99 | windows, and the two rows say which is which. |
| 100 | |
| 101 | "groups" folds that into a single row, the way Chrome folds tabs into a |
| 102 | group: every window on the server is in the row, each session's run of them |
| 103 | introduced by a coloured chip, and a chip you are not using collapses to |
| 104 | nothing but itself. It buys back a row of terminal and puts a window in |
| 105 | another session one click away instead of two — at the cost of a row that is |
| 106 | as long as the whole server rather than as long as one session. |
| 107 | |
| 108 | The mode is this panel's, not the server's: nothing here is sent to tmux, and |
| 109 | two panels on the same server can be in different modes. */ |
| 110 | /** @type {Record<string, { cls: string, hint: string }>} */ |
| 111 | const TAB_MODES = { |
| 112 | nested: { cls: "", hint: "Sessions on top, the selected session's windows below." }, |
| 113 | groups: { cls: "groups", hint: "One row: every window, grouped by session. Click a chip to fold a group away." }, |
| 114 | }; |
| 115 | let tabMode = "nested"; |
| 116 | |
| 117 | /** |
| 118 | * The header's controls belong to whichever row exists, so switching modes |
| 119 | * moves them rather than duplicating them: in groups mode there is only one |
| 120 | * row, and everything the session row was holding has to land in it. |
| 121 | */ |
| 122 | function applyTabMode() { |
| 123 | const m = TAB_MODES[tabMode] ?? TAB_MODES.nested; |
| 124 | document.body.classList.toggle("groups", tabMode === "groups"); |
| 125 | $select("tabmode-select").value = tabMode; |
| 126 | $("tabmode-hint").textContent = m.hint; |
| 127 | |
| 128 | const top = $("session-strip"); |
| 129 | const row = $("window-strip"); |
| 130 | if (tabMode === "groups") { |
| 131 | // One "+" in the tab row, and it means what the only "+" in a browser's tab |
| 132 | // strip means: another window, here. Making a *session* is a different kind |
| 133 | // of thing and it moves to the omnibar, where it is a named act rather than |
| 134 | // a second identical button beside the first — which is the whole reason |
| 135 | // there were two icons and no way to tell them apart. |
| 136 | row.prepend($("reconnect"), $("settings-toggle")); |
| 137 | row.insertBefore($("status-text"), $("tabs")); |
| 138 | // The name field comes with it: "+" holds the menu that makes a session |
| 139 | // now, and the field it opens has to be in a row that is on screen. |
| 140 | row.append($("tab-new"), $("session-name")); |
| 141 | // Picker and jump both follow the tabs into the row below — controls that |
| 142 | // act on a pane rather than on the tabs — but they take opposite ends of |
| 143 | // it: the picker leads, and jump sits past the box, at the end of the row |
| 144 | // you type into, where what it does is leave for somewhere else. Enter is |
| 145 | // not in either row: it lives under the mic, in the corner beside every |
| 146 | // row, and so never moves with the layout. |
| 147 | $("omni-strip").prepend($("pick"), $("device-toggle")); |
| 148 | $("omni-strip").append($("jump")); |
| 149 | $("omni-strip").hidden = false; |
| 150 | // The session row is gone, so what it was showing has to go with it: a |
| 151 | // stale session tab left in a hidden strip still answers `querySelector` |
| 152 | // and would keep the spinner's timer alive on windows nobody can see. |
| 153 | $("sessions").textContent = ""; |
| 154 | $("sessions").dataset.sig = ""; |
| 155 | // Both of these stay behind in the hidden strip; the omnibar is how a |
| 156 | // session gets named now. |
| 157 | hideSessionInput(); |
| 158 | top.hidden = true; |
| 159 | } else { |
| 160 | top.hidden = false; |
| 161 | top.prepend($("reconnect"), $("settings-toggle")); |
| 162 | top.insertBefore($("status-text"), $("sessions")); |
| 163 | top.append($("session-new"), $("session-name")); |
| 164 | // Picker then jump lead the window row, in that order: both act on a pane |
| 165 | // rather than on the tabs. |
| 166 | row.prepend($("pick"), $("device-toggle"), $("jump")); |
| 167 | row.append($("tab-new")); |
| 168 | $("omni-strip").hidden = true; |
| 169 | closeOmni(); |
| 170 | // The dot goes with the row, so anything hanging off it has to go too. |
| 171 | if (infoOpen) closeTabMenu(); |
| 172 | } |
| 173 | |
| 174 | // Neither row's signature describes the other's contents, so both have to be |
| 175 | // told that what they are holding is not what they should be holding. |
| 176 | $("tabs").dataset.sig = ""; |
| 177 | $("sessions").dataset.sig = ""; |
| 178 | renderHeader(lastSessions, sessionName, lastAgents); |
| 179 | // renderHeader only reaches the omnibar through the groups branch, and this |
| 180 | // has to be right in the frame the mode changes rather than a second later. |
| 181 | syncOmniHere(); |
| 182 | |
| 183 | // One row instead of two: the terminal has a different number of rows now. |
| 184 | if (termReady) { |
| 185 | fit.fit(); |
| 186 | sendSize(); |
| 187 | } |
| 188 | } |
| 189 | |
| 190 | /** @param {string} value */ |
| 191 | function setTabMode(value) { |
| 192 | tabMode = TAB_MODES[value] ? value : "nested"; |
| 193 | storage.set({ tabMode }); |
| 194 | applyTabMode(); |
| 195 | } |
| 196 | |
| 197 | // Below ~8px xterm.js's glyph atlas stops being legible; above ~32 a sidebar |
| 198 | // holds too few columns to be a terminal. |
| 199 | const FONT_DEFAULT = 12; |
| 200 | const FONT_MIN = 8; |
| 201 | const FONT_MAX = 32; |
| 202 | let fontSize = FONT_DEFAULT; |
| 203 | |
| 204 | // The Terminal's own `lineHeight`, named because touch scrolling needs it too: |
| 205 | // `fontSize * LINE_HEIGHT` is a row's height in CSS pixels, which is how far a |
| 206 | // finger travels per line of scroll. |
| 207 | const LINE_HEIGHT = 1.2; |
| 208 | |
| 209 | function applyFontSize() { |
| 210 | $("font-size").textContent = String(fontSize); |
| 211 | if (!termReady) return; |
| 212 | term.options.fontSize = fontSize; |
| 213 | // Cell metrics changed, so the row/column count did too. |
| 214 | fit.fit(); |
| 215 | sendSize(); |
| 216 | } |
| 217 | |
| 218 | /** @param {number|string} value */ |
| 219 | function setFontSize(value) { |
| 220 | const n = Math.round(Number(value)); |
| 221 | fontSize = Number.isFinite(n) ? Math.min(FONT_MAX, Math.max(FONT_MIN, n)) : FONT_DEFAULT; |
| 222 | storage.set({ fontSize }); |
| 223 | applyFontSize(); |
| 224 | } |
| 225 | |
| 226 | /** `_` and `+` are what the shifted keys report. @type {Record<string, number>} */ |
| 227 | const FONT_STEP = { "=": 1, "+": 1, "-": -1, _: -1 }; |
| 228 | |
| 229 | /** |
| 230 | * The panel's own Ctrl+Alt keys: the font size, and the omnibar. |
| 231 | * |
| 232 | * Ctrl+Alt rather than plain Ctrl throughout. Ctrl+= / Ctrl+- / Ctrl+0 are |
| 233 | * browser zoom accelerators, which pages cannot cancel, so binding them would |
| 234 | * zoom the whole panel instead; Ctrl+L is the browser's address bar and, in a |
| 235 | * terminal, clear-screen. Ctrl+wheel *is* cancelable, so that gesture works as |
| 236 | * expected. |
| 237 | * |
| 238 | * Returns true if the event was one of ours and has been handled. |
| 239 | * |
| 240 | * @param {KeyboardEvent} e |
| 241 | */ |
| 242 | function handlePanelKey(e) { |
| 243 | if (!e.ctrlKey || !e.altKey || e.metaKey) return false; |
| 244 | const delta = FONT_STEP[e.key]; |
| 245 | if (delta) setFontSize(fontSize + delta); |
| 246 | else if (e.key === "0") setFontSize(FONT_DEFAULT); |
| 247 | else return false; |
| 248 | e.preventDefault(); |
| 249 | return true; |
| 250 | } |
| 251 | |
| 252 | /** Letters the browser reserves for itself, offered on Ctrl+Alt. */ |
| 253 | const STOLEN_KEYS = "ntw"; |
| 254 | |
| 255 | /** |
| 256 | * The keys the browser keeps for itself, one modifier over. |
| 257 | * |
| 258 | * Ctrl+N, Ctrl+T and Ctrl+W never arrive here at all. They are *reserved* |
| 259 | * accelerators: the browser process acts on them before the keystroke is |
| 260 | * handed to the renderer, so unlike Ctrl+P or Ctrl+F there is no event in this |
| 261 | * document to cancel, and no extension command can claim them either: the |
| 262 | * shortcuts page refuses them for the same reason. A panel that is a terminal |
| 263 | * wants all three (^N is next-history and tmux's next-window, ^T transposes, |
| 264 | * ^W kills a word), so they are offered on Ctrl+Alt instead: Ctrl+Alt+N puts a |
| 265 | * literal ^N in the pty, Ctrl+Alt+W a ^W, and so on. |
| 266 | * |
| 267 | * This is also where a system-level remapper should aim. Nothing inside the |
| 268 | * browser can win Ctrl+N back, but a remapper below it can. Bind Ctrl+N to |
| 269 | * Ctrl+Alt+N while the browser is focused (xremap can do it per-application on |
| 270 | * GNOME; keyd system-wide) and the keycap you press is the key you meant. |
| 271 | * |
| 272 | * Returns true if the event was one of ours and has been handled. |
| 273 | * |
| 274 | * @param {KeyboardEvent} e |
| 275 | */ |
| 276 | function handleStolenKey(e) { |
| 277 | if (!e.ctrlKey || !e.altKey || e.metaKey) return false; |
| 278 | const letter = e.key.length === 1 ? e.key.toLowerCase() : ""; |
| 279 | if (!STOLEN_KEYS.includes(letter)) return false; |
| 280 | e.preventDefault(); |
| 281 | // Silent when there is nothing to type into: the alternative is a log line |
| 282 | // per keystroke while the panel is offline. |
| 283 | if (connected && ws) ws.send(enc.encode(String.fromCharCode(letter.charCodeAt(0) - 96))); |
| 284 | return true; |
| 285 | } |
| 286 | |
| 287 | /** @param {string} pref */ |
| 288 | function setTheme(pref) { |
| 289 | themePref = Themes.PREFERENCES.includes(pref) ? pref : "auto"; |
| 290 | storage.set({ theme: themePref }); |
| 291 | applyTheme(); |
| 292 | } |
| 293 | |
| 294 | // Only matters while the preference is "auto", but the listener is harmless |
| 295 | // otherwise and avoids add/remove churn. |
| 296 | darkQuery.addEventListener("change", () => { |
| 297 | if (themePref === "auto") applyTheme(); |
| 298 | }); |
| 299 | |
| 300 | const term = new Terminal({ |
| 301 | fontFamily: |
| 302 | 'ui-monospace, "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace', |
| 303 | fontSize: FONT_DEFAULT, |
| 304 | lineHeight: LINE_HEIGHT, |
| 305 | cursorBlink: true, |
| 306 | scrollback: 5000, |
| 307 | theme: Themes.resolveTheme("auto", darkQuery.matches).xterm, |
| 308 | // tmux owns the scrollback (copy-mode). Letting xterm.js also scroll fights |
| 309 | // with it and with mouse-mode applications. |
| 310 | allowProposedApi: true, |
| 311 | }); |
| 312 | |
| 313 | const fit = new FitAddon.FitAddon(); |
| 314 | term.loadAddon(fit); |
| 315 | // Default handler is `window.open`, which the side panel can't reliably pop |
| 316 | // as a real browser tab; route through the extension tabs API instead. |
| 317 | term.loadAddon( |
| 318 | new WebLinksAddon.WebLinksAddon((event, uri) => { |
| 319 | event.preventDefault(); |
| 320 | api.tabs.create({ url: uri }); |
| 321 | }), |
| 322 | ); |
| 323 | term.open($("term")); |
| 324 | fit.fit(); |
| 325 | |
| 326 | // Autorepeat under load. When the browser process is starved, the key's |
| 327 | // release sits in the queue behind it while the OS keeps generating repeats |
| 328 | // for a key it still believes is held; when the process catches up, the whole |
| 329 | // backlog is flushed into the pty at once and a single tap comes out as a row |
| 330 | // of characters. Nothing here can stop the OS repeating, but the burst is |
| 331 | // easy to tell from a real hold: genuine autorepeat arrives ~30ms apart with |
| 332 | // fresh timestamps, a flushed backlog arrives all in one turn with old ones. |
| 333 | // Only `repeat` events are ever dropped, so the first press of a key always |
| 334 | // goes through, and a deliberate hold still repeats, just never faster than |
| 335 | // the OS would have delivered it live. |
| 336 | const REPEAT_MIN_GAP_MS = 20; |
| 337 | const REPEAT_MAX_AGE_MS = 150; |
| 338 | let lastRepeatAt = 0; |
| 339 | /** @param {KeyboardEvent} e */ |
| 340 | function staleRepeat(e) { |
| 341 | if (!e.repeat) return false; |
| 342 | const now = performance.now(); |
| 343 | const stale = now - e.timeStamp > REPEAT_MAX_AGE_MS || now - lastRepeatAt < REPEAT_MIN_GAP_MS; |
| 344 | if (!stale) lastRepeatAt = now; |
| 345 | return stale; |
| 346 | } |
| 347 | |
| 348 | // Returning false keeps the keystroke out of the pty. |
| 349 | term.attachCustomKeyEventHandler((e) => { |
| 350 | if (e.type !== "keydown") return true; |
| 351 | if (staleRepeat(e)) return false; |
| 352 | return !(handlePanelKey(e) || handleStolenKey(e)); |
| 353 | }); |
| 354 | |
| 355 | $("term").addEventListener( |
| 356 | "wheel", |
| 357 | (e) => { |
| 358 | if (!e.ctrlKey) return; |
| 359 | e.preventDefault(); |
| 360 | setFontSize(fontSize + (e.deltaY < 0 ? 1 : -1)); |
| 361 | }, |
| 362 | { passive: false }, |
| 363 | ); |
| 364 | |
| 365 | // --- touch scrolling -------------------------------------------------------- |
| 366 | // |
| 367 | // xterm.js has no touch handling of its own: its mouse layer binds `mousedown`, |
| 368 | // `mousemove`, `mouseup` and `wheel`, and the browser only synthesises those |
| 369 | // from a *tap*. A drag is claimed as a pan gesture and never reaches the |
| 370 | // terminal at all. The one thing that would have scrolled without any help — |
| 371 | // `.xterm-viewport` is an `overflow-y: scroll` box — is always empty here, |
| 372 | // because tmux sits on the alternate screen, repaints in place, and keeps the |
| 373 | // scrollback on its own side. |
| 374 | // |
| 375 | // So a drag is turned back into wheel events rather than into escape sequences. |
| 376 | // A wheel event is the signal every layer downstream already agrees on: tmux |
| 377 | // with `mouse on` encodes it into copy-mode, an inner vim or less that turned |
| 378 | // mouse reporting on gets the report it expects, and xterm.js's own fallback |
| 379 | // still converts it to cursor keys when nothing asked for either. Writing SGR |
| 380 | // reports here instead would mean tracking mouse mode ourselves and being wrong |
| 381 | // about it every time an application changed it behind our back. |
| 382 | // |
| 383 | // Scrolling is all a touch does. Selection stays on the mouse: a drag has to |
| 384 | // mean one or the other, and on a panel this narrow scrolling is the gesture |
| 385 | // worth having. |
| 386 | |
| 387 | /** How far a finger may wander before a tap counts as a drag, in CSS pixels. */ |
| 388 | const TOUCH_SLOP = 8; |
| 389 | |
| 390 | /** The finger being followed, or null when no drag is in progress. */ |
| 391 | let touchId = /** @type {number | null} */ (null); |
| 392 | let touchStartY = 0; |
| 393 | /** Last position charged to `touchRest`. */ |
| 394 | let touchY = 0; |
| 395 | /** Travel not yet worth a whole line, kept so a slow drag still scrolls. */ |
| 396 | let touchRest = 0; |
| 397 | /** Whether the finger has passed TOUCH_SLOP and owns the gesture. */ |
| 398 | let touchScrolling = false; |
| 399 | |
| 400 | /** |
| 401 | * Hand xterm.js a wheel event it cannot tell from a real one. |
| 402 | * |
| 403 | * The mouse protocol emits one report per event and reads the cell under the |
| 404 | * pointer out of `clientX`/`clientY`, so the finger's own position is carried |
| 405 | * through and a multi-line step is sent a line at a time. `DOM_DELTA_LINE` with |
| 406 | * a delta of one is xterm's own definition of a single line, which keeps this |
| 407 | * clear of its pixel-mode accumulator. |
| 408 | * |
| 409 | * The position is clamped into `.xterm-screen` first. xterm resolves a report's |
| 410 | * cell against that element and reports nothing at all when the point falls |
| 411 | * outside it, and a finger can easily sit on `#term`'s padding or over the |
| 412 | * scrollbar column — close enough to be scrolling, far enough to report |
| 413 | * nothing. Clamping costs a cell of accuracy at the very edge and buys a |
| 414 | * gesture that works everywhere on the panel. |
| 415 | * |
| 416 | * @param {Touch} t |
| 417 | * @param {number} lines signed, in terminal rows |
| 418 | */ |
| 419 | function touchWheel(t, lines) { |
| 420 | const screen = term.element?.querySelector(".xterm-screen"); |
| 421 | // Both of xterm's wheel listeners live on the `.xterm` root, so dispatching |
| 422 | // on the viewport underneath it reaches them by bubbling and would also reach |
| 423 | // a listener the viewport grew later. |
| 424 | const target = term.element?.querySelector(".xterm-viewport") ?? term.element; |
| 425 | if (!screen || !target) return; |
| 426 | |
| 427 | const box = screen.getBoundingClientRect(); |
| 428 | const clientX = Math.min(box.right - 1, Math.max(box.left, t.clientX)); |
| 429 | const clientY = Math.min(box.bottom - 1, Math.max(box.top, t.clientY)); |
| 430 | |
| 431 | const step = Math.sign(lines); |
| 432 | for (let i = 0; i < Math.abs(lines); i++) { |
| 433 | target.dispatchEvent( |
| 434 | new WheelEvent("wheel", { |
| 435 | deltaY: step, |
| 436 | deltaMode: WheelEvent.DOM_DELTA_LINE, |
| 437 | clientX, |
| 438 | clientY, |
| 439 | bubbles: true, |
| 440 | cancelable: true, |
| 441 | }), |
| 442 | ); |
| 443 | } |
| 444 | } |
| 445 | |
| 446 | $("term").addEventListener( |
| 447 | "touchstart", |
| 448 | (e) => { |
| 449 | // A second finger cancels rather than joins: a pinch is not a scroll, and |
| 450 | // the font size is still Ctrl+wheel's. |
| 451 | if (e.touches.length !== 1) { |
| 452 | touchId = null; |
| 453 | return; |
| 454 | } |
| 455 | const t = e.touches[0]; |
| 456 | touchId = t.identifier; |
| 457 | touchStartY = t.clientY; |
| 458 | touchY = t.clientY; |
| 459 | touchRest = 0; |
| 460 | touchScrolling = false; |
| 461 | // Deliberately not prevented: the tap still has to become a click, which is |
| 462 | // what focuses the terminal and what an application in mouse mode reports. |
| 463 | }, |
| 464 | { passive: true }, |
| 465 | ); |
| 466 | |
| 467 | $("term").addEventListener( |
| 468 | "touchmove", |
| 469 | (e) => { |
| 470 | if (touchId === null) return; |
| 471 | let t = /** @type {Touch | null} */ (null); |
| 472 | for (const c of e.changedTouches) if (c.identifier === touchId) t = c; |
| 473 | if (!t) return; |
| 474 | |
| 475 | if (!touchScrolling) { |
| 476 | if (Math.abs(t.clientY - touchStartY) < TOUCH_SLOP) return; |
| 477 | // Start the accounting from here, so the slop is spent rather than |
| 478 | // scrolled: the text should not jump by TOUCH_SLOP the moment it engages. |
| 479 | touchScrolling = true; |
| 480 | touchY = t.clientY; |
| 481 | } |
| 482 | |
| 483 | // Dragging the content, not the viewport. A finger moving up drags the text |
| 484 | // up, which shows what comes after it — a positive wheel delta. |
| 485 | touchRest += touchY - t.clientY; |
| 486 | touchY = t.clientY; |
| 487 | e.preventDefault(); |
| 488 | |
| 489 | // One line per row of travel, so the text keeps up with the finger. |
| 490 | const cell = fontSize * LINE_HEIGHT; |
| 491 | const lines = Math.trunc(touchRest / cell); |
| 492 | if (!lines) return; |
| 493 | touchRest -= lines * cell; |
| 494 | touchWheel(t, lines); |
| 495 | }, |
| 496 | { passive: false }, |
| 497 | ); |
| 498 | |
| 499 | for (const type of ["touchend", "touchcancel"]) { |
| 500 | $("term").addEventListener(type, () => { |
| 501 | touchId = null; |
| 502 | touchScrolling = false; |
| 503 | }); |
| 504 | } |
| 505 | |
| 506 | // Set only once term *and* fit are usable — applyTheme/applyDensity both touch |
| 507 | // them, and a flag that runs ahead of the objects it guards is worse than none. |
| 508 | termReady = true; |
| 509 | |
| 510 | const enc = new TextEncoder(); |
| 511 | |
| 512 | // --- connection ------------------------------------------------------------- |
| 513 | |
| 514 | let ws = /** @type {WebSocket | null} */ (null); |
| 515 | let connected = false; |
| 516 | // Session tmux says we are on. The name we asked to attach to is only the |
| 517 | // starting point — switch-client moves us and the header should follow. |
| 518 | let sessionName = /** @type {string | null} */ (null); |
| 519 | |
| 520 | // Whether the daemon's program is tmux. Without it there are no windows to put |
| 521 | // in tabs, and "+" would have nothing to create. |
| 522 | let tmuxMode = false; |
| 523 | |
| 524 | // The session the daemon falls back to when nothing names one — `default` |
| 525 | // unless it was started with --session. This panel treats it as the home |
| 526 | // session: it is where "+" puts a window when it is not adding to a particular |
| 527 | // group, and it is drawn without a colour of its own, the way Chrome leaves |
| 528 | // ungrouped tabs plain. The daemon names it on the ok frame; the fallback here |
| 529 | // only covers the moment before that arrives. |
| 530 | // |
| 531 | // It is not otherwise privileged: tmux has no notion of a special session, so |
| 532 | // it can be renamed, killed or dragged like any other, and if it does not exist |
| 533 | // the first "+" creates it. |
| 534 | let defaultSession = "default"; |
| 535 | |
| 536 | /** |
| 537 | * Machines the omnibar can offer to connect to, from the daemon's reading of |
| 538 | * `~/.ssh/config` and `~/.ssh/known_hosts`. |
| 539 | * |
| 540 | * On the ok frame rather than the status frames because it is a fact about |
| 541 | * files on disk, not about what tmux is doing: it does not change while a panel |
| 542 | * is open, and a reconnect is what picks up an edited config. |
| 543 | * |
| 544 | * A connection is an ordinary window running ssh on the daemon's machine, so |
| 545 | * nothing else in this panel treats these differently from anywhere else — |
| 546 | * they are a source of names for one kind of row, and that is all. |
| 547 | * @type {string[]} |
| 548 | */ |
| 549 | let sshHosts = []; |
| 550 | |
| 551 | /** |
| 552 | * The header says what the socket is doing only when it is doing something |
| 553 | * other than working: a connected panel has session tabs, which report the |
| 554 | * connection by existing, and there is nothing a green light adds to that. |
| 555 | * |
| 556 | * @param {"on"|"off"|"pending"} state whether reconnect is worth offering |
| 557 | * @param {string} text |
| 558 | * @param {string} [detail] one sentence for the overlay card, when the caller |
| 559 | * knows better than `offlineHint` what would fix it |
| 560 | */ |
| 561 | function setStatus(state, text, detail) { |
| 562 | $("status-text").textContent = text; |
| 563 | $("reconnect").hidden = state === "on"; |
| 564 | showOffline(state, text, detail); |
| 565 | } |
| 566 | |
| 567 | /** |
| 568 | * The same state, in the middle of the panel. The header line is the whole |
| 569 | * story while things work — a connected panel says so with its tabs — but a |
| 570 | * dead socket leaves a scrollback that still looks alive above a word small |
| 571 | * enough to miss, so it gets a card over the terminal until it is fixed. |
| 572 | * |
| 573 | * @param {"on"|"off"|"pending"} state |
| 574 | * @param {string} text what the header says, which is also the card's heading |
| 575 | * @param {string} [detail] what to do about it; derived from `text` if absent |
| 576 | */ |
| 577 | function showOffline(state, text, detail) { |
| 578 | const box = $("offline"); |
| 579 | if (state === "on") { |
| 580 | box.hidden = true; |
| 581 | return; |
| 582 | } |
| 583 | box.dataset.state = state; |
| 584 | $("offline-title").textContent = state === "pending" ? "connecting…" : text; |
| 585 | $("offline-msg").textContent = state === "pending" ? "" : (detail ?? offlineHint(text)); |
| 586 | box.hidden = false; |
| 587 | } |
| 588 | |
| 589 | /** |
| 590 | * One sentence naming the thing that would fix it. Two ways a socket stays |
| 591 | * down — nothing is listening, or what is listening does not believe us — and |
| 592 | * they are fixed in different places, so the card must not guess wrong. |
| 593 | * |
| 594 | * @param {string} reason the header's wording, which is the daemon's when it |
| 595 | * rejected us and this panel's otherwise |
| 596 | */ |
| 597 | function offlineHint(reason) { |
| 598 | if (/token|auth|setup/i.test(reason)) { |
| 599 | return "Open settings and paste the token termbridge token prints."; |
| 600 | } |
| 601 | if (/origin|paired/i.test(reason)) { |
| 602 | return "This extension is not paired yet. Settings has the command to run."; |
| 603 | } |
| 604 | const url = $input("url").value.trim() || "the daemon"; |
| 605 | return `Nothing is answering at ${url}. Start it with termbridge serve, then reconnect.`; |
| 606 | } |
| 607 | |
| 608 | // One place decides what the header says, so anything that repaints it (a |
| 609 | // finished pick, a fresh session name) can't quietly drop the other half. |
| 610 | function refreshStatus() { |
| 611 | if (!connected) { |
| 612 | setStatus("off", "disconnected"); |
| 613 | return; |
| 614 | } |
| 615 | setStatus("on", sessionName ? `connected · ${sessionName}` : "connected"); |
| 616 | } |
| 617 | |
| 618 | function sendSize() { |
| 619 | if (!connected || !ws) return; |
| 620 | const { cols, rows } = term; |
| 621 | ws.send(JSON.stringify({ type: "resize", cols, rows })); |
| 622 | } |
| 623 | |
| 624 | // The daemon can only answer "invalid token" on the wire; it cannot reach into |
| 625 | // the sidebar. Translate that into the one instruction that actually fixes it. |
| 626 | const TOKEN_HELP = |
| 627 | "Run termbridge token in the terminal running the daemon, then paste " + |
| 628 | "the 64 hex characters it prints into the Token field above."; |
| 629 | |
| 630 | /** @param {string} text */ |
| 631 | function tokenProblem(text) { |
| 632 | $("token-hint").textContent = `${text} ${TOKEN_HELP}`; |
| 633 | $("token-hint").hidden = false; |
| 634 | openSettings(); |
| 635 | term.write( |
| 636 | `\r\n\x1b[33m ${text}\x1b[0m\r\n` + |
| 637 | " Open \x1b[1msettings\x1b[0m (top right) and set the Token.\r\n" + |
| 638 | " \x1b[90mtermbridge token\x1b[0m prints the value to paste.\r\n", |
| 639 | ); |
| 640 | $("token").focus(); |
| 641 | } |
| 642 | |
| 643 | function connect() { |
| 644 | const url = $input("url").value.trim(); |
| 645 | const token = $input("token").value.trim(); |
| 646 | |
| 647 | if (!token) { |
| 648 | // Connecting with an empty token just produces an "invalid token" reject in |
| 649 | // the daemon's log, which reads like a wrong token rather than a missing one. |
| 650 | setStatus("off", "no token"); |
| 651 | log("no token set — not connecting"); |
| 652 | tokenProblem("No token is set."); |
| 653 | return; |
| 654 | } |
| 655 | $("token-hint").hidden = true; |
| 656 | |
| 657 | if (ws) { |
| 658 | ws.onclose = null; |
| 659 | ws.close(); |
| 660 | } |
| 661 | connected = false; |
| 662 | setStatus("pending", "connecting…"); |
| 663 | log(`connecting to ${url}`); |
| 664 | |
| 665 | try { |
| 666 | ws = new WebSocket(url); |
| 667 | } catch (e) { |
| 668 | setStatus("off", "failed"); |
| 669 | log(`constructor threw: ${e}`); |
| 670 | return; |
| 671 | } |
| 672 | // The handlers close over *this* socket rather than whatever `ws` points at |
| 673 | // when they fire: a reconnect replaces the module-level reference, and a |
| 674 | // late frame from the old socket must not be answered on the new one. |
| 675 | const sock = ws; |
| 676 | sock.binaryType = "arraybuffer"; |
| 677 | |
| 678 | sock.onopen = () => { |
| 679 | // Token goes in a frame, never the URL — query strings end up in logs, |
| 680 | // crash dumps and devtools history. |
| 681 | sock.send(JSON.stringify({ type: "auth", token })); |
| 682 | }; |
| 683 | |
| 684 | sock.onmessage = (ev) => { |
| 685 | if (typeof ev.data === "string") { |
| 686 | // A claim about the frame, not a guarantee — see types/globals.d.ts. It |
| 687 | // buys the narrowing below, not trust. |
| 688 | const msg = /** @type {TbFrame} */ (JSON.parse(ev.data)); |
| 689 | if (msg.type === "ok") { |
| 690 | connected = true; |
| 691 | tmuxMode = msg.tmux === true; |
| 692 | $("trust-hint").hidden = true; |
| 693 | $("token-hint").hidden = true; |
| 694 | renderSessions(msg); |
| 695 | const want = $input("session").value.trim() || undefined; |
| 696 | // Optimistic; the daemon's first status frame replaces this with what |
| 697 | // tmux actually attached us to, usually within a second. |
| 698 | if (msg.defaultSession) defaultSession = msg.defaultSession; |
| 699 | sshHosts = msg.hosts ?? []; |
| 700 | // Directories the daemon described to a previous connection. Cheap to |
| 701 | // ask again, and a reconnect is the one moment we know nothing about |
| 702 | // what has happened on that machine in the meantime. |
| 703 | pathAnswers.clear(); |
| 704 | pathAsking.clear(); |
| 705 | sessionName = want ?? msg.defaultSession ?? msg.profile; |
| 706 | refreshStatus(); |
| 707 | // Session names only at this point — the window lists need the control |
| 708 | // channel, which the first status frame brings a moment later. |
| 709 | renderHeader( |
| 710 | (msg.sessions ?? []).map((name) => ({ id: "", name, attached: false, windows: [] })), |
| 711 | sessionName, |
| 712 | [], |
| 713 | ); |
| 714 | log(`authenticated, running ${msg.profile}`); |
| 715 | fit.fit(); |
| 716 | // The daemon validates this name and falls back to its default if it |
| 717 | // doesn't like it; we never get to choose the program. |
| 718 | sock.send( |
| 719 | JSON.stringify({ |
| 720 | type: "open", |
| 721 | cols: term.cols, |
| 722 | rows: term.rows, |
| 723 | ...(want ? { session: want } : {}), |
| 724 | }), |
| 725 | ); |
| 726 | closeSettings(); |
| 727 | term.focus(); |
| 728 | } else if (msg.type === "status") { |
| 729 | if (msg.session && msg.session !== sessionName) { |
| 730 | sessionName = msg.session; |
| 731 | refreshStatus(); |
| 732 | } |
| 733 | // One frame describes the whole server: sessions for the top row, the |
| 734 | // selected session's own windows for the second, and every agent in |
| 735 | // any of them — a session tab reports the Claude in a session you |
| 736 | // cannot see, which is the point of knowing about all of them. |
| 737 | const sessions = msg.sessions ?? []; |
| 738 | const agents = msg.agents ?? []; |
| 739 | // A frame that cannot say which session we are on — the moment mid |
| 740 | // switch-client, before tmux has answered for our client — is not news |
| 741 | // that we are on none. Falling for that empties the window row, which |
| 742 | // takes a row of height with it and reflows the terminal underneath: |
| 743 | // the flash. The last session we were told about stands until another |
| 744 | // one is named. |
| 745 | const current = msg.session ?? sessionName; |
| 746 | renderHeader(sessions, current, agents); |
| 747 | // The first frame is the first moment a pin can be acted on: until it |
| 748 | // arrives there is no session list to resolve one against. Opening the |
| 749 | // panel while sitting on a pinned tab lands on the right session |
| 750 | // because of this, and only because of this. |
| 751 | if (!pinAppliedOnConnect) { |
| 752 | pinAppliedOnConnect = true; |
| 753 | applyTabPin(); |
| 754 | } |
| 755 | // And the other direction, after the render: this reads `lastSessions`, |
| 756 | // which `renderHeader` is what sets. |
| 757 | noteSpotChange(); |
| 758 | } else if (msg.type === "path") { |
| 759 | // An answer to something the omnibar asked about a directory. Keyed by |
| 760 | // the query, so one that arrives after the box has moved on is filed |
| 761 | // rather than acted on — see `askPath`. |
| 762 | takePathAnswer(msg); |
| 763 | } else if (msg.type === "tmux-error") { |
| 764 | // tmux refused the command (session gone, pane closed). The next status |
| 765 | // frame already shows the truth, so this only needs to explain itself. |
| 766 | log(`tmux: ${msg.reason}`); |
| 767 | } else if (msg.type === "exit") { |
| 768 | log(`session exited (${msg.code})`); |
| 769 | term.write(`\r\n\x1b[90m[session exited: ${msg.code}]\x1b[0m\r\n`); |
| 770 | } else if (msg.type === "error") { |
| 771 | setStatus("off", msg.reason); |
| 772 | log(`rejected: ${msg.reason}`); |
| 773 | if (/token|auth/i.test(msg.reason)) { |
| 774 | tokenProblem("The daemon rejected this token."); |
| 775 | } else if (/origin/i.test(msg.reason)) { |
| 776 | openSettings(); |
| 777 | term.write( |
| 778 | `\r\n\x1b[33m ${msg.reason}\x1b[0m\r\n` + |
| 779 | " Open \x1b[1msettings\x1b[0m and run the pairing command shown there.\r\n", |
| 780 | ); |
| 781 | } |
| 782 | } |
| 783 | return; |
| 784 | } |
| 785 | // Raw terminal bytes. xterm.js takes Uint8Array directly, so nothing is |
| 786 | // decoded, re-encoded, or mangled on the way in. |
| 787 | term.write(new Uint8Array(ev.data)); |
| 788 | }; |
| 789 | |
| 790 | sock.onerror = () => { |
| 791 | // The browser hides the reason from JS by design. The daemon's stdout has |
| 792 | // the real one (unpaired origin / bad token / rate limited). |
| 793 | log("socket error — check the daemon's output for the reason"); |
| 794 | // Firefox's HTTPS-Only Mode silently rewrites ws:// to wss://, so the most |
| 795 | // likely cause here is that our self-signed certificate isn't trusted yet. |
| 796 | $("trust-hint").hidden = false; |
| 797 | }; |
| 798 | |
| 799 | sock.onclose = (ev) => { |
| 800 | connected = false; |
| 801 | // The socket that was carrying the held key is gone, so the hold is over |
| 802 | // whether or not the pointer knows it yet — and the Return it queued has |
| 803 | // nowhere to land, so it goes too rather than arriving on the next socket. |
| 804 | stopTalk(); |
| 805 | cancelTalkSubmit(); |
| 806 | sessionName = null; |
| 807 | tmuxMode = false; |
| 808 | // The next socket gets to place us again, and it is a new client on a |
| 809 | // server whose sessions may have moved since. |
| 810 | pinAppliedOnConnect = false; |
| 811 | // Nothing to hand back: the client that was borrowed is gone, and the next |
| 812 | // socket lands wherever the daemon puts it. |
| 813 | pinOwed = null; |
| 814 | // Same reasoning for the other direction: wherever the next socket lands is |
| 815 | // a starting position, not somewhere the user steered to, so it must not |
| 816 | // read as a move and rearrange the browser. |
| 817 | lastSpot = null; |
| 818 | forwardGoingTo = null; |
| 819 | clearTimeout(reverseTimer); |
| 820 | renderHeader([], null, []); |
| 821 | refreshStatus(); |
| 822 | log(`closed code=${ev.code} ${ev.reason || ""}`); |
| 823 | }; |
| 824 | } |
| 825 | |
| 826 | // Ask the daemon to move tmux. The daemon accepts three commands and validates |
| 827 | // every argument; the sidebar cannot name a tmux command of its own. |
| 828 | /** |
| 829 | * @param {{ cmd: "switch"|"create"|"focus"|"select-window"|"goto-window"|"new-window" |
| 830 | * |"kill-window"|"move-window"|"move-window-to-session"|"new-session-with-window" |
| 831 | * |"set-session-color"|"rename-session"|"claude"|"run"|"ssh" |
| 832 | * |"new-project" } |
| 833 | * & Record<string, string | boolean>} body |
| 834 | */ |
| 835 | function tmuxCommand(body) { |
| 836 | if (!connected || !ws) return; |
| 837 | ws.send(JSON.stringify({ type: "tmux", ...body })); |
| 838 | } |
| 839 | |
| 840 | // --- the header ------------------------------------------------------------- |
| 841 | // |
| 842 | // One entry point for both layouts, because one status frame feeds both and |
| 843 | // which of them is on screen is a preference rather than anything the frame |
| 844 | // says. Everything below this line renders from the same three arguments. |
| 845 | |
| 846 | /** |
| 847 | * The last frame's sessions, kept for the repaints nothing on the wire causes: |
| 848 | * folding a group, pinning a tab, switching mode. Windows and agents have the |
| 849 | * same reason to be kept — see `lastWindows`. |
| 850 | * @type {TbSessionInfo[]} |
| 851 | */ |
| 852 | let lastSessions = []; |
| 853 | |
| 854 | /** |
| 855 | * @param {TbSessionInfo[]} sessions every session on the server |
| 856 | * @param {string | null | undefined} current the one this panel's client is on |
| 857 | * @param {TbAgent[]} agents server-wide |
| 858 | */ |
| 859 | function renderHeader(sessions, current, agents) { |
| 860 | lastSessions = sessions; |
| 861 | lastAgents = agents; |
| 862 | // Resolved once per frame rather than once per tab: every row asks whether it |
| 863 | // is the pinned one, and the answer cannot change between two rows of the |
| 864 | // same repaint. |
| 865 | pinNow = currentPinTarget(); |
| 866 | // Before the early return below: the jump button is in whichever row exists, |
| 867 | // and what it says comes from the agents rather than from either layout. |
| 868 | syncJump(); |
| 869 | if (tabMode === "groups") { |
| 870 | renderGroups(sessions, current, agents); |
| 871 | return; |
| 872 | } |
| 873 | renderSessionTabs(sessions, current, agents); |
| 874 | // A frame that names no session leaves the window row on what it had — see |
| 875 | // the note at the call site about the flash. |
| 876 | const here = sessions.find((s) => s.name === current); |
| 877 | renderTabs(here?.windows ?? lastWindows, agents); |
| 878 | } |
| 879 | |
| 880 | // --- building elements ------------------------------------------------------ |
| 881 | // |
| 882 | // Everything the header draws is built rather than written out, and by hand it |
| 883 | // is five lines of `createElement`, `className`, `textContent`, `setAttribute` |
| 884 | // and `appendChild` for every span. `el` is those five lines, and the reason it |
| 885 | // is a function here rather than a template library is the same reason the |
| 886 | // extension has no bundler: it ships as plain files, and nothing in |
| 887 | // node_modules reaches dist/. |
| 888 | // |
| 889 | // It is deliberately not a renderer. There is no diffing, no keys and no state |
| 890 | // — the callers below build a fresh subtree and swap it in, exactly as they did |
| 891 | // before, and the signature checks in renderTabs/renderSessionTabs are still |
| 892 | // what decides whether that happens at all. |
| 893 | // |
| 894 | // One rule it enforces by having no way around it: text arrives as `text` or as |
| 895 | // a child string, both of which end up in `textContent`. Nothing here accepts |
| 896 | // markup, because most of what it draws is a tmux name — a window title a shell |
| 897 | // sets from whatever it is running, which is as page-influenced as any other |
| 898 | // terminal output. |
| 899 | |
| 900 | /** |
| 901 | * @typedef {Node | string | null | undefined | false} TbChild A child to append, |
| 902 | * or a falsy value to skip — so a conditional part of a subtree can be an |
| 903 | * expression rather than an `if` with an `appendChild` in it. |
| 904 | */ |
| 905 | |
| 906 | /** |
| 907 | * @typedef {object} TbElOpts |
| 908 | * @property {string} [class] Written as `class` rather than `className`: these |
| 909 | * read as markup at the call sites, and every one of them builds the string |
| 910 | * with the same conditional template. |
| 911 | * @property {string} [text] textContent. Never markup — see above. |
| 912 | * @property {string} [title] The tooltip. `tip()` is what builds most of them. |
| 913 | * @property {Record<string, string | number | boolean>} [attrs] Set with |
| 914 | * setAttribute, so `role`, `aria-*` and `type` are written the way the DOM |
| 915 | * spells them. Values are stringified, which is all `aria-selected` ever |
| 916 | * wanted from `String(...)`. |
| 917 | * @property {Record<string, string>} [data] dataset entries. |
| 918 | * @property {Record<string, string>} [css] Custom properties, set with |
| 919 | * setProperty — `--group-h` and nothing else so far. |
| 920 | * @property {Record<string, (e: any) => void>} [on] Listeners by event name. |
| 921 | */ |
| 922 | |
| 923 | /** |
| 924 | * @template {keyof HTMLElementTagNameMap} K |
| 925 | * @param {K} tag |
| 926 | * @param {TbElOpts} [opts] |
| 927 | * @param {...TbChild} children |
| 928 | * @returns {HTMLElementTagNameMap[K]} |
| 929 | */ |
| 930 | function el(tag, opts = {}, ...children) { |
| 931 | const node = document.createElement(tag); |
| 932 | if (opts.class) node.className = opts.class; |
| 933 | if (opts.text != null) node.textContent = opts.text; |
| 934 | if (opts.title != null) node.title = opts.title; |
| 935 | for (const [k, v] of Object.entries(opts.attrs ?? {})) node.setAttribute(k, String(v)); |
| 936 | for (const [k, v] of Object.entries(opts.data ?? {})) node.dataset[k] = v; |
| 937 | for (const [k, v] of Object.entries(opts.css ?? {})) node.style.setProperty(k, v); |
| 938 | for (const [k, v] of Object.entries(opts.on ?? {})) node.addEventListener(k, v); |
| 939 | for (const c of children) if (c) node.append(c); |
| 940 | return node; |
| 941 | } |
| 942 | |
| 943 | /** |
| 944 | * A button, which is every other element here. `type="button"` because the |
| 945 | * default is `submit` and a stray Enter on one of these inside a form would |
| 946 | * reload the panel. |
| 947 | * |
| 948 | * @param {TbElOpts} [opts] |
| 949 | * @param {...TbChild} children |
| 950 | */ |
| 951 | function button(opts = {}, ...children) { |
| 952 | return el("button", { ...opts, attrs: { type: "button", ...opts.attrs } }, ...children); |
| 953 | } |
| 954 | |
| 955 | /** |
| 956 | * The favicon slot, and the one piece of markup that repeats across every kind |
| 957 | * of row the panel draws: a tab, a chip, an omnibar row, a line in the session |
| 958 | * panel. All of them report the same four states with the same glyphs, and the |
| 959 | * working one has to be the spinner's current frame rather than a fixed |
| 960 | * character — see the spinner section for why it is read at build time. |
| 961 | * |
| 962 | * Empty for "none", deliberately: a plain window of shell should not wear a |
| 963 | * status light it has no state to report. |
| 964 | * |
| 965 | * @param {TbAgentState | "none" | undefined} state |
| 966 | * @param {string} [cls] extra classes, for the rows that are not a favicon slot |
| 967 | */ |
| 968 | function glyphSpan(state, cls) { |
| 969 | const s = state ?? "none"; |
| 970 | return el("span", { |
| 971 | class: `glyph ${s}${cls ? ` ${cls}` : ""}`, |
| 972 | text: s === "working" ? spinnerGlyph() : (STATIC_GLYPH[s] ?? ""), |
| 973 | attrs: { "aria-hidden": "true" }, |
| 974 | }); |
| 975 | } |
| 976 | |
| 977 | /** |
| 978 | * A multi-line tooltip from parts, any of which may be missing. Everything in |
| 979 | * the header has one: the rows are narrow enough that the detail — which tool |
| 980 | * is in flight, how many panes, the name a pinned tab gave up — has nowhere |
| 981 | * else to go. |
| 982 | * |
| 983 | * @param {...(string | false | null | undefined)} lines |
| 984 | */ |
| 985 | function tip(...lines) { |
| 986 | return lines.filter(Boolean).join("\n"); |
| 987 | } |
| 988 | |
| 989 | // --- window tabs ------------------------------------------------------------ |
| 990 | // |
| 991 | // A tab is a window of the attached session — the thing `prefix 2` selects, not |
| 992 | // a session and not a pane. Window names come from tmux (a shell sets them from |
| 993 | // whatever it is running, so they are as page-influenced as any other terminal |
| 994 | // output) and only ever reach the DOM through textContent. |
| 995 | |
| 996 | // --- pinning ---------------------------------------------------------------- |
| 997 | // |
| 998 | // A pin is a property of this panel, not of the session. tmux is never asked to |
| 999 | // renumber anything: the window keeps its real index, so `prefix 4` still goes |
| 1000 | // where it always went, and nothing about your terminal's status line changes. |
| 1001 | // All a pin does is move the tab to the front of *this* strip and shrink it to |
| 1002 | // its dot and index, which is what buys the room in a narrow sidebar. |
| 1003 | // |
| 1004 | // Keyed by session name, because window ids are only meaningful inside the tmux |
| 1005 | // server that issued them and only prunable against the session we can see. |
| 1006 | /** @type {Record<string, string[]>} */ |
| 1007 | let pins = {}; |
| 1008 | |
| 1009 | // The last frame's worth of windows, so a pin — which changes nothing on the |
| 1010 | // wire and so produces no status frame — can repaint the strip on its own. |
| 1011 | /** @type {TbWindowInfo[]} */ |
| 1012 | let lastWindows = []; |
| 1013 | /** @type {TbAgent[]} */ |
| 1014 | let lastAgents = []; |
| 1015 | |
| 1016 | /** |
| 1017 | * Takes the session rather than reading `sessionName`: in groups mode the strip |
| 1018 | * holds windows from every session at once, so "which session's pins" is a |
| 1019 | * question each tab answers for itself. |
| 1020 | * |
| 1021 | * @param {string | null | undefined} session |
| 1022 | * @returns {Set<string>} pinned window ids in that session |
| 1023 | */ |
| 1024 | function pinnedIds(session) { |
| 1025 | return new Set((session && pins[session]) || []); |
| 1026 | } |
| 1027 | |
| 1028 | /** |
| 1029 | * Whether a window may be offered a ✕. |
| 1030 | * |
| 1031 | * Killing a session's last window kills the session, and that used to take this |
| 1032 | * panel with it — so the ✕ was withheld for it. It no longer does: the daemon |
| 1033 | * sets `detach-on-destroy off` on every session the client lands on (see |
| 1034 | * `ensure_detach_on_destroy` in daemon/src/server.rs), and tmux answers a |
| 1035 | * destroyed session by moving the client to another one rather than detaching. |
| 1036 | * |
| 1037 | * What is left is the genuinely last thing on the server. With nothing to fall |
| 1038 | * back to tmux does detach, the pty hits EOF and the panel goes dead — so that |
| 1039 | * one window, and only it, still gets no ✕. |
| 1040 | * |
| 1041 | * The old rule was written when the window row only ever held one session's |
| 1042 | * windows, where "the last window here" and "the last window anywhere" looked |
| 1043 | * the same. Groups mode is what pulled them apart: it shows every session at |
| 1044 | * once, so a one-window session sat next to five others with no ✕ on it and no |
| 1045 | * reason the eye could see. |
| 1046 | * |
| 1047 | * @param {number} windowsInSession |
| 1048 | * @param {number} sessionsOnServer |
| 1049 | */ |
| 1050 | function windowClosable(windowsInSession, sessionsOnServer) { |
| 1051 | return windowsInSession > 1 || sessionsOnServer > 1; |
| 1052 | } |
| 1053 | |
| 1054 | /** @param {string | null | undefined} session @param {Set<string>} ids */ |
| 1055 | function savePins(session, ids) { |
| 1056 | if (!session) return; |
| 1057 | if (ids.size) pins[session] = [...ids]; |
| 1058 | else delete pins[session]; |
| 1059 | storage.set({ pins }); |
| 1060 | } |
| 1061 | |
| 1062 | /** |
| 1063 | * Pinned first, each group still in tmux's own index order — nothing is |
| 1064 | * reordered on the server, so the indexes stay the ground truth they are. |
| 1065 | * |
| 1066 | * Also prunes: a window that closed takes its pin with it, and this is the one |
| 1067 | * moment we hold a session's full window list to notice that by. |
| 1068 | * |
| 1069 | * @param {string | null | undefined} session |
| 1070 | * @param {TbWindowInfo[]} windows that session's windows, in index order |
| 1071 | * @returns {{ ordered: TbWindowInfo[], pinned: Set<string> }} |
| 1072 | */ |
| 1073 | function orderWindows(session, windows) { |
| 1074 | const pinned = pinnedIds(session); |
| 1075 | const live = new Set(windows.map((w) => w.id)); |
| 1076 | let dropped = false; |
| 1077 | for (const id of pinned) { |
| 1078 | if (!live.has(id)) { |
| 1079 | pinned.delete(id); |
| 1080 | dropped = true; |
| 1081 | } |
| 1082 | } |
| 1083 | if (dropped) savePins(session, pinned); |
| 1084 | return { |
| 1085 | ordered: [ |
| 1086 | ...windows.filter((w) => pinned.has(w.id)), |
| 1087 | ...windows.filter((w) => !pinned.has(w.id)), |
| 1088 | ], |
| 1089 | pinned, |
| 1090 | }; |
| 1091 | } |
| 1092 | |
| 1093 | /** |
| 1094 | * Repaint the window strip after something only this panel knows about — a pin, |
| 1095 | * a folded group. Nothing changed on the wire, so no frame is coming to trigger |
| 1096 | * the rebuild, and the signature has to be cleared or it would skip it. |
| 1097 | */ |
| 1098 | function repaintTabs() { |
| 1099 | $("tabs").dataset.sig = ""; |
| 1100 | // The other entry point is renderHeader, and this one does not go through it: |
| 1101 | // a repaint caused by a new pin, or by the browser tab changing under us, |
| 1102 | // has to re-resolve before the rows ask which of them is marked. |
| 1103 | pinNow = currentPinTarget(); |
| 1104 | if (tabMode === "groups") { |
| 1105 | renderGroups(lastSessions, sessionName, lastAgents); |
| 1106 | return; |
| 1107 | } |
| 1108 | // The nested layout keeps its two rows on separate signatures, and a |
| 1109 | // session-level browser pin marks the top one. Its signature has to be |
| 1110 | // cleared too, or the dot waits for a frame that changes something else. |
| 1111 | $("sessions").dataset.sig = ""; |
| 1112 | renderSessionTabs(lastSessions, sessionName, lastAgents); |
| 1113 | renderTabs(lastWindows, lastAgents); |
| 1114 | } |
| 1115 | |
| 1116 | /** |
| 1117 | * @param {TbWindowInfo[]} windows in index order |
| 1118 | * @param {TbAgent[]} agents so a tab can say what Claude is doing in it |
| 1119 | */ |
| 1120 | function renderTabs(windows, agents) { |
| 1121 | lastWindows = windows; |
| 1122 | lastAgents = agents; |
| 1123 | const strip = $("tabs"); |
| 1124 | // A repaint mid-drag would tear the tab out from under the pointer; the move |
| 1125 | // it commits to brings a fresh frame of its own a moment later. |
| 1126 | if (dragging && !strip.hidden) return; |
| 1127 | const show = connected && tmuxMode && windows.length > 0; |
| 1128 | $("tab-new").hidden = !(connected && tmuxMode && sessionName); |
| 1129 | // Reset, not decoration: the groups layout points this same button at the |
| 1130 | // home session and says so, and switching back would otherwise leave that |
| 1131 | // promise on a button that no longer keeps it. |
| 1132 | $("tab-new").title = newTabTitle(sessionName); |
| 1133 | strip.hidden = !show; |
| 1134 | // The hairline between the two rows belongs to the session row, and only |
| 1135 | // while there is a window row under it to be separated from. |
| 1136 | document.body.classList.toggle("has-windows", show); |
| 1137 | if (!show) { |
| 1138 | strip.textContent = ""; |
| 1139 | strip.dataset.sig = ""; |
| 1140 | syncSpinner(); |
| 1141 | return; |
| 1142 | } |
| 1143 | |
| 1144 | const { ordered, pinned } = orderWindows(sessionName, windows); |
| 1145 | |
| 1146 | // Repainting drops hover and any focus ring; status frames arrive on every |
| 1147 | // tmux notification and once a second besides. |
| 1148 | const claude = agentByWindow(agents); |
| 1149 | const closable = windowClosable(windows.length, lastSessions.length); |
| 1150 | // `closable` is in the signature because it is the one thing drawn here that |
| 1151 | // does not come from this session's windows: killing the *other* session |
| 1152 | // changes whether this session's last window may be closed, and nothing in |
| 1153 | // the window list moves when that happens. Left out, the strip keeps a ✕ that |
| 1154 | // would now take the whole server down with it. |
| 1155 | const sig = JSON.stringify([ |
| 1156 | closable, |
| 1157 | ordered.map((w) => { |
| 1158 | const a = claude[w.id]; |
| 1159 | return [w.id, w.index, w.name, w.active, w.activity, a?.state, agentLabel(a), pinned.has(w.id)]; |
| 1160 | }), |
| 1161 | ]); |
| 1162 | if (strip.dataset.sig !== sig) { |
| 1163 | strip.dataset.sig = sig; |
| 1164 | strip.textContent = ""; |
| 1165 | for (const w of ordered) { |
| 1166 | strip.appendChild( |
| 1167 | windowTab(w, { |
| 1168 | claude: claude[w.id], |
| 1169 | closable, |
| 1170 | pinned: pinned.has(w.id), |
| 1171 | lastInSession: windows.length === 1, |
| 1172 | owner: sessionName ?? "", |
| 1173 | // One session's windows, and it is the one we are on, so tmux's own |
| 1174 | // "active" is exactly the tab you are looking at. |
| 1175 | current: w.active, |
| 1176 | }), |
| 1177 | ); |
| 1178 | } |
| 1179 | } |
| 1180 | |
| 1181 | syncSpinner(); |
| 1182 | |
| 1183 | const active = strip.querySelector('[aria-selected="true"]'); |
| 1184 | // Sidebars are narrow enough that the window you are on can be scrolled out |
| 1185 | // of the strip entirely. |
| 1186 | if (active) active.scrollIntoView({ block: "nearest", inline: "nearest" }); |
| 1187 | } |
| 1188 | |
| 1189 | // Loudest first: a window with something waiting on you outranks one that is |
| 1190 | // merely busy, and both outrank one that is only still. The two loud states are |
| 1191 | // the two that want you — blocked mid-turn, or done with one you have not seen |
| 1192 | // — so they sort above the two that don't. A window with no Claude in it gets |
| 1193 | // no entry at all. |
| 1194 | const AGENT_RANK = ["waiting", "ready", "working", "idle", "unknown"]; |
| 1195 | |
| 1196 | /** |
| 1197 | * @param {TbAgent[]} agents |
| 1198 | * @returns {Record<string, TbAgent>} window id → the one worth reporting |
| 1199 | */ |
| 1200 | function agentByWindow(agents) { |
| 1201 | /** @type {Record<string, TbAgent>} */ |
| 1202 | const out = {}; |
| 1203 | for (const a of agents) { |
| 1204 | const seen = out[a.window_id]; |
| 1205 | if (!seen || AGENT_RANK.indexOf(a.state) < AGENT_RANK.indexOf(seen.state)) { |
| 1206 | out[a.window_id] = a; |
| 1207 | } |
| 1208 | } |
| 1209 | return out; |
| 1210 | } |
| 1211 | |
| 1212 | /* --- jump to the next pane that wants you ---------------------------------- |
| 1213 | One button that walks the panes an agent is in, so cycling between agents is |
| 1214 | a repeated tap rather than a hunt through two rows of tabs. It is the tab |
| 1215 | strip's loudness order with one change: `working` drops below `idle`. A pane |
| 1216 | mid-turn is the one place there is nothing for you to do, and the whole point |
| 1217 | of the button is to land somewhere you can act — so it is offered last, when |
| 1218 | there is nothing else, rather than not at all. |
| 1219 | |
| 1220 | Within a state the order is the tab rows' own — session, then window, then |
| 1221 | pane — so pressing repeatedly walks the server the way you read it, and it |
| 1222 | wraps. |
| 1223 | |
| 1224 | The pane you are on is never a destination: the daemon marks it `here`, and it |
| 1225 | drops out of the walk entirely. That is what makes the button work at the one |
| 1226 | moment you most want it — the agent in front of you finishing. Its own turn |
| 1227 | ending puts it at rest, at rest is the loudest thing on the server while |
| 1228 | everything else is mid-turn, and cycling "the loudest tier" would hand you |
| 1229 | back the pane you are already looking at. `lastJumped` still skips a step |
| 1230 | inside a tier, because the frame that will mark the new pane `here` is up to a |
| 1231 | second behind the press. */ |
| 1232 | const JUMP_RANK = ["waiting", "ready", "idle", "unknown", "working"]; |
| 1233 | |
| 1234 | // The pane this button last sent the client to, so a second press inside the |
| 1235 | // same tier goes somewhere new even before the frame that says `here` lands. |
| 1236 | let lastJumped = ""; |
| 1237 | |
| 1238 | /** |
| 1239 | * Every pane with an agent in it *other than the one on screen*, loudest first |
| 1240 | * — see `JUMP_RANK`. |
| 1241 | * @param {TbAgent[]} agents |
| 1242 | * @returns {TbAgent[]} |
| 1243 | */ |
| 1244 | function jumpOrder(agents) { |
| 1245 | // tmux's own window order, which is the index and not the name: the tab rows |
| 1246 | // are drawn in it, so walking the panes in any other order would jump about |
| 1247 | // the strip you are looking at. A window we have no frame for sorts last |
| 1248 | // rather than first — an agent whose window has just gone is not where the |
| 1249 | // next press should land. |
| 1250 | /** @type {Record<string, number>} */ |
| 1251 | const at = {}; |
| 1252 | for (const s of lastSessions) for (const w of s.windows) at[w.id] = w.index; |
| 1253 | return agents |
| 1254 | .filter((a) => a.pane && !a.here) |
| 1255 | .slice() |
| 1256 | .sort( |
| 1257 | (x, y) => |
| 1258 | JUMP_RANK.indexOf(x.state) - JUMP_RANK.indexOf(y.state) || |
| 1259 | x.session.localeCompare(y.session) || |
| 1260 | (at[x.window_id] ?? Infinity) - (at[y.window_id] ?? Infinity) || |
| 1261 | x.pane.localeCompare(y.pane, undefined, { numeric: true }), |
| 1262 | ); |
| 1263 | } |
| 1264 | |
| 1265 | /** |
| 1266 | * The pane the jump button would go to next, or null when the only agent on the |
| 1267 | * server is the one already on screen — or there is none at all. Only the |
| 1268 | * loudest state is cycled: with something waiting on you somewhere, an idle pane |
| 1269 | * is not the next stop. |
| 1270 | * |
| 1271 | * @param {TbAgent[]} agents |
| 1272 | * @returns {TbAgent | null} |
| 1273 | */ |
| 1274 | function nextJump(agents) { |
| 1275 | const order = jumpOrder(agents); |
| 1276 | if (!order.length) return null; |
| 1277 | const loudest = JUMP_RANK.indexOf(order[0].state); |
| 1278 | const tier = order.filter((a) => JUMP_RANK.indexOf(a.state) === loudest); |
| 1279 | // -1 — the last jump was to some other tier, or nowhere — starts at the top, |
| 1280 | // which is what `+ 1` makes of it. |
| 1281 | const at = tier.findIndex((a) => a.pane === lastJumped); |
| 1282 | return tier[(at + 1) % tier.length]; |
| 1283 | } |
| 1284 | |
| 1285 | /** |
| 1286 | * Say what the button would do before it is pressed: the state it would take |
| 1287 | * you to is its colour, and where that is is its tooltip. Disabled when there is |
| 1288 | * nowhere else to go — a button that goes nowhere should not look pressable, and |
| 1289 | * "the only Claude is this one" is a different nowhere from "there are none". |
| 1290 | */ |
| 1291 | function syncJump() { |
| 1292 | const btn = $button("jump"); |
| 1293 | const next = nextJump(lastAgents); |
| 1294 | btn.disabled = !next; |
| 1295 | btn.dataset.state = next?.state ?? ""; |
| 1296 | btn.title = next |
| 1297 | ? `Jump to ${next.session} · ${next.window} — claude ${next.state}\n${agentLabel(next)}` |
| 1298 | : lastAgents.some((a) => a.pane) |
| 1299 | ? "The only Claude pane is this one" |
| 1300 | : "No Claude panes"; |
| 1301 | } |
| 1302 | |
| 1303 | $("jump").addEventListener("click", () => { |
| 1304 | const next = nextJump(lastAgents); |
| 1305 | if (!next) return; |
| 1306 | lastJumped = next.pane; |
| 1307 | tmuxCommand({ cmd: "focus", pane: next.pane }); |
| 1308 | term.focus(); |
| 1309 | // The status frame that follows redraws the button, but the tooltip should |
| 1310 | // already point at the pane *after* this one by the time the click ends. |
| 1311 | syncJump(); |
| 1312 | }); |
| 1313 | |
| 1314 | /** |
| 1315 | * A slot rather than a bare button, because the close ✕ has to be a sibling: |
| 1316 | * a button inside a button is invalid markup and unreachable to a screen |
| 1317 | * reader, and closing a window is not selecting it. |
| 1318 | * |
| 1319 | * @param {TbWindowInfo} w |
| 1320 | * @param {object} opts |
| 1321 | * @param {TbAgent} [opts.claude] the agent worth reporting in this window |
| 1322 | * @param {boolean} [opts.closable] |
| 1323 | * @param {boolean} [opts.pinned] |
| 1324 | * @param {string} [opts.owner] the session this window belongs to |
| 1325 | * @param {boolean} [opts.current] this is the window the panel is looking at |
| 1326 | * @param {boolean} [opts.lastInSession] the only window its session has left |
| 1327 | */ |
| 1328 | function windowTab(w, { claude, closable, pinned: isPinned, owner, current, lastInSession } = {}) { |
| 1329 | // A pinned tab drops its name and its ✕, the same two things Chrome takes |
| 1330 | // away: it is down to a dot and a number, and it cannot be closed by a |
| 1331 | // mis-aimed click. The name is still in the tooltip. |
| 1332 | const canClose = closable && !isPinned; |
| 1333 | // `w.active` is per session, so in groups mode every session contributes one |
| 1334 | // — the current window *of a session you are not on*. That is worth marking, |
| 1335 | // the way a session tab marks "attached elsewhere", but it is not the tab you |
| 1336 | // are on and must not be drawn as one. |
| 1337 | const elsewhere = w.active && !current; |
| 1338 | // The browser tab on screen sends the terminal here. Worth a mark, because |
| 1339 | // otherwise the panel moves on its own and nothing on it says why. |
| 1340 | const pinTarget = { session: owner ?? sessionName, window: w.id }; |
| 1341 | const linked = tabPinMark(pinTarget); |
| 1342 | |
| 1343 | const tab = button( |
| 1344 | { |
| 1345 | // Activity is tmux's own "something happened here while you were away", |
| 1346 | // and it is the whole reason a background tab is worth looking at. |
| 1347 | class: `tab${!w.active && w.activity ? " activity" : ""}`, |
| 1348 | attrs: { role: "tab", "aria-selected": !!current }, |
| 1349 | // The session is read back by the drag commit, which has to know which |
| 1350 | // group a dropped tab came out of, and by the click below. |
| 1351 | data: { window: w.id, ...(owner ? { session: owner } : {}) }, |
| 1352 | // With no chip row left, the tooltip is where the detail lives: which tool |
| 1353 | // is in flight, what Claude is blocked on, and — for a pinned tab — the |
| 1354 | // name it gave up to fit. |
| 1355 | title: tip( |
| 1356 | owner && owner !== sessionName ? `${owner}: ${w.name}` : `window ${w.index}: ${w.name}`, |
| 1357 | w.panes > 1 && `${w.panes} panes`, |
| 1358 | claude && `claude ${claude.state} — ${agentLabel(claude)}`, |
| 1359 | claude?.title, |
| 1360 | !w.active && w.activity && "activity", |
| 1361 | elsewhere && "current window of that session", |
| 1362 | isPinned && "pinned — right-click to unpin", |
| 1363 | linked && PIN_SOURCE_NOTE[linked], |
| 1364 | ), |
| 1365 | on: { |
| 1366 | click: () => { |
| 1367 | selectWindow(w, owner); |
| 1368 | term.focus(); |
| 1369 | }, |
| 1370 | }, |
| 1371 | }, |
| 1372 | glyphSpan(claude?.state), |
| 1373 | // The index is not on the tab. tmux's own status line has it, `prefix 2` |
| 1374 | // needs it and nothing here does: a tab is clicked, not counted to, and in a |
| 1375 | // sidebar the number was taking room from the one thing that identifies the |
| 1376 | // window — its name. It is still in the tooltip. |
| 1377 | // |
| 1378 | // The exception is a pinned tab, which has given its name up to shrink: the |
| 1379 | // index is what is left to tell two pinned tabs apart. |
| 1380 | isPinned |
| 1381 | ? el("span", { class: "index", text: String(w.index) }) |
| 1382 | : el("span", { class: "name", text: w.name }), |
| 1383 | ); |
| 1384 | |
| 1385 | const slot = el( |
| 1386 | "div", |
| 1387 | { |
| 1388 | class: |
| 1389 | `tab-slot${current ? " active" : ""}${canClose ? " closable" : ""}` + |
| 1390 | `${isPinned ? " pinned" : ""}${elsewhere ? " elsewhere" : ""}` + |
| 1391 | `${linked ? " tab-linked" : ""}`, |
| 1392 | on: { |
| 1393 | /** @param {MouseEvent} e */ |
| 1394 | contextmenu: (e) => { |
| 1395 | e.preventDefault(); |
| 1396 | openTabMenu(e, w, { |
| 1397 | pinned: !!isPinned, |
| 1398 | closable: !!closable, |
| 1399 | lastInSession: !!lastInSession, |
| 1400 | owner, |
| 1401 | current: !!current, |
| 1402 | }); |
| 1403 | }, |
| 1404 | }, |
| 1405 | }, |
| 1406 | tab, |
| 1407 | canClose && closeButton(w, lastInSession ? owner : undefined), |
| 1408 | linked && unpinButton(pinTarget, linked), |
| 1409 | ); |
| 1410 | // The slot and not the tab: the ✕ is its sibling, and a drag that started on |
| 1411 | // the tab alone would leave the ✕ behind. |
| 1412 | makeDraggable(slot); |
| 1413 | return slot; |
| 1414 | } |
| 1415 | |
| 1416 | /** |
| 1417 | * Two commands for one gesture, and which one it is depends on whether the tab |
| 1418 | * is in the session this panel's client is on. |
| 1419 | * |
| 1420 | * Inside it, `select-window`: selecting a window is a property of the session, |
| 1421 | * so it moves anyone else watching that session too — exactly as pressing |
| 1422 | * prefix-2 in the terminal does, and deliberately so. |
| 1423 | * |
| 1424 | * Outside it — only reachable in groups mode, where the row spans the server — |
| 1425 | * `goto-window`, which does that *and* brings our own client along. Without the |
| 1426 | * second half the click would select a window in a session we are not looking |
| 1427 | * at, and the terminal would not move at all. |
| 1428 | * |
| 1429 | * @param {TbWindowInfo} w |
| 1430 | * @param {string} [owner] the session the window belongs to |
| 1431 | */ |
| 1432 | function selectWindow(w, owner) { |
| 1433 | if (owner && owner !== sessionName) tmuxCommand({ cmd: "goto-window", window: w.id }); |
| 1434 | else if (!w.active) tmuxCommand({ cmd: "select-window", window: w.id }); |
| 1435 | } |
| 1436 | |
| 1437 | // --- pinning a session to a browser tab ------------------------------------- |
| 1438 | // |
| 1439 | // The rules live in lib/tabpin.js, which is pure. This is the half that has to |
| 1440 | // touch the world: which browser tab is showing, what storage holds, and the |
| 1441 | // one tmux command a match turns into. |
| 1442 | // |
| 1443 | // The trigger is deliberately narrow. Only a tab in *this* browser window can |
| 1444 | // move this panel — a side panel belongs to one window, and a tab activated in |
| 1445 | // another window is another panel's business — and the panel only ever |
| 1446 | // activates a tab in that same window going the other way. |
| 1447 | |
| 1448 | /** @type {TbTabPinStore} */ |
| 1449 | let tabPins = Tabpin.emptyStore(); |
| 1450 | |
| 1451 | /** This panel's browser window. Null until `windows.getCurrent()` answers. */ |
| 1452 | let panelWindowId = /** @type {number | null} */ (null); |
| 1453 | |
| 1454 | /** The tab currently showing in this window, as far as we have been told. */ |
| 1455 | let browserTab = /** @type {{ id?: number, url?: string }} */ ({}); |
| 1456 | |
| 1457 | /** |
| 1458 | * What the showing tab resolves to, as of the last repaint. Held rather than |
| 1459 | * recomputed per row — see `renderHeader`. |
| 1460 | * @type {{ session: string, window: TbWindowInfo | null, source: TbPinSource } | null} |
| 1461 | */ |
| 1462 | let pinNow = null; |
| 1463 | |
| 1464 | /** |
| 1465 | * The excursion in progress: where a pin took the terminal from, and where it |
| 1466 | * put it. `Tabpin.step` owns the rules; this is only where the answer is kept |
| 1467 | * between two tab changes. |
| 1468 | * @type {TbPinReturn | null} |
| 1469 | */ |
| 1470 | let pinOwed = null; |
| 1471 | |
| 1472 | /** Whether the pin has been applied since this socket came up. */ |
| 1473 | let pinAppliedOnConnect = false; |
| 1474 | |
| 1475 | /** |
| 1476 | * How long a tab has to stay on screen before the terminal follows it. |
| 1477 | * |
| 1478 | * Ctrl-Tab through six tabs fires six activations, and without this the panel |
| 1479 | * would drag tmux through every one of them — six switch-clients for a gesture |
| 1480 | * that meant one. Short enough to be invisible when you land somewhere on |
| 1481 | * purpose: the tmux switch is local and the status frame that redraws the |
| 1482 | * header was up to a second away regardless. |
| 1483 | */ |
| 1484 | const PIN_SETTLE_MS = 140; |
| 1485 | |
| 1486 | /** @type {ReturnType<typeof setTimeout> | undefined} */ |
| 1487 | let pinTimer; |
| 1488 | |
| 1489 | /** @param {TbTabPinStore} next */ |
| 1490 | function saveTabPins(next) { |
| 1491 | tabPins = next; |
| 1492 | storage.set({ [Tabpin.KEY]: next }); |
| 1493 | repaintTabs(); |
| 1494 | applyTabPin(); |
| 1495 | } |
| 1496 | |
| 1497 | /** |
| 1498 | * Where the tab on screen says the terminal belongs, already checked against |
| 1499 | * the server — or null when nothing does. |
| 1500 | * |
| 1501 | * @returns {{ session: string, window: TbWindowInfo | null, source: TbPinSource } | null} |
| 1502 | */ |
| 1503 | function currentPinTarget() { |
| 1504 | const hit = Tabpin.resolve(tabPins, browserTab, lastSessions, Portless); |
| 1505 | if (!hit) return null; |
| 1506 | const at = Tabpin.locate(hit.target, lastSessions); |
| 1507 | return at ? { ...at, source: hit.source } : null; |
| 1508 | } |
| 1509 | |
| 1510 | /** |
| 1511 | * Where the terminal is: the session this panel's client is on, and that |
| 1512 | * session's active window. Null before the first status frame, which is the |
| 1513 | * only honest answer — a return has to know where it is returning *from*, and |
| 1514 | * guessing at that would move the terminal somewhere nobody was. |
| 1515 | * |
| 1516 | * @returns {TbSpot | null} |
| 1517 | */ |
| 1518 | function currentSpot() { |
| 1519 | if (!sessionName) return null; |
| 1520 | const s = lastSessions.find((x) => x.name === sessionName); |
| 1521 | if (!s) return null; |
| 1522 | return { session: sessionName, window: s.windows.find((w) => w.active)?.id ?? null }; |
| 1523 | } |
| 1524 | |
| 1525 | /** |
| 1526 | * Put the terminal somewhere. The counterpart of a tab click, minus the focus: |
| 1527 | * the hands that caused this are on a web page, and the terminal moving |
| 1528 | * underneath is the feature — the caret leaving the page for it is not. |
| 1529 | * |
| 1530 | * @param {TbSpot} spot |
| 1531 | */ |
| 1532 | function gotoSpot(spot) { |
| 1533 | const s = lastSessions.find((x) => x.name === spot.session); |
| 1534 | if (!s) return; |
| 1535 | const w = spot.window ? s.windows.find((x) => x.id === spot.window) : null; |
| 1536 | // A window that has closed since leaves the session as the whole answer, |
| 1537 | // which is the same fallback `Tabpin.locate` makes for a pin. |
| 1538 | if (w) selectWindow(w, spot.session); |
| 1539 | else if (spot.session !== sessionName) tmuxCommand({ cmd: "switch", session: spot.session }); |
| 1540 | } |
| 1541 | |
| 1542 | /** |
| 1543 | * Act on the tab now showing: follow its pin, or hand the terminal back if an |
| 1544 | * earlier pin borrowed it. |
| 1545 | * |
| 1546 | * Silent about every kind of miss, and they are all ordinary: no pin, a pin to |
| 1547 | * a session that is not running, a pin to where we already are, a return that |
| 1548 | * has been overtaken by a switch made by hand. None of them is a failure, and a |
| 1549 | * panel that logged them would log on every tab switch. |
| 1550 | */ |
| 1551 | function applyTabPin() { |
| 1552 | if (!connected) return; |
| 1553 | const at = currentSpot(); |
| 1554 | if (!at) return; |
| 1555 | const hit = currentPinTarget(); |
| 1556 | // The resolved *window* matters here, not the pin as written: a pin to a |
| 1557 | // window that has closed is a pin to its session, and it must compare as one. |
| 1558 | const target = hit ? { session: hit.session, window: hit.window?.id ?? null } : null; |
| 1559 | const { go, owed } = Tabpin.step(pinOwed, target, at); |
| 1560 | pinOwed = owed; |
| 1561 | if (!go) return; |
| 1562 | forwardGoingTo = go; |
| 1563 | gotoSpot(go); |
| 1564 | } |
| 1565 | |
| 1566 | /** |
| 1567 | * Follow the browser after a beat — see `PIN_SETTLE_MS`. Every path that can |
| 1568 | * change which pin applies goes through here, so a burst of them collapses into |
| 1569 | * one move rather than a queue of them. |
| 1570 | */ |
| 1571 | function scheduleTabPin() { |
| 1572 | clearTimeout(pinTimer); |
| 1573 | pinTimer = setTimeout(applyTabPin, PIN_SETTLE_MS); |
| 1574 | } |
| 1575 | |
| 1576 | // --- and the other way: the browser follows the terminal --------------------- |
| 1577 | // |
| 1578 | // Same pins, read backwards by `Tabpin.reverse`. The trigger is the terminal |
| 1579 | // arriving somewhere new, whatever moved it — a click on a session tab in this |
| 1580 | // panel, a `prefix n` typed into the pane, another client switching a session |
| 1581 | // this one is watching. All of those are the user going somewhere, and none of |
| 1582 | // them is distinguishable from the others by the time the status frame lands. |
| 1583 | // |
| 1584 | // What this will not do is as much of the design as what it will. It activates |
| 1585 | // a tab that is already open in this panel's window and stops there: it does |
| 1586 | // not create tabs, does not focus the browser, does not raise a window, and |
| 1587 | // does not touch a tab in another window. So the whole failure mode is showing |
| 1588 | // you a tab you already had open, which is recoverable with Ctrl-Tab. |
| 1589 | |
| 1590 | /** Where the terminal was as of the last frame, so a move can be told from a |
| 1591 | * repaint. Null until the first frame names a session. |
| 1592 | * @type {TbSpot | null} */ |
| 1593 | let lastSpot = null; |
| 1594 | |
| 1595 | /** |
| 1596 | * A tab activation this panel asked for, which must not come back around as a |
| 1597 | * reason to move the terminal. |
| 1598 | * |
| 1599 | * `Tabpin.reverse` already refuses to move a browser that is showing a tab |
| 1600 | * pointing where the terminal is, so the loop cannot run away regardless. This |
| 1601 | * closes the narrower window underneath that: our own `tabs.update` fires |
| 1602 | * `onActivated`, and the status frame that would have told `applyTabPin` where |
| 1603 | * the terminal now is may not have arrived yet. Acting on the stale answer |
| 1604 | * would send tmux a switch to the place it is already going. |
| 1605 | * |
| 1606 | * @type {number | null} |
| 1607 | */ |
| 1608 | let reverseGoingTo = null; |
| 1609 | |
| 1610 | /** @type {ReturnType<typeof setTimeout> | undefined} */ |
| 1611 | let reverseTimer; |
| 1612 | |
| 1613 | /** |
| 1614 | * A terminal move this panel's *forward* direction asked for, which must not |
| 1615 | * come back around as a reason to move the browser. |
| 1616 | * |
| 1617 | * A pin arriving somewhere is already harmless — the tab that sent it there is |
| 1618 | * showing, so `Tabpin.reverse` finds its work done. The case this exists for is |
| 1619 | * the other half of the loan: handing the terminal *back* when you leave a |
| 1620 | * pinned tab lands it wherever it was borrowed from, and if some third tab is |
| 1621 | * pinned to that place, this would chase it and undo the tab switch the user |
| 1622 | * just made by hand. A return is an undo of a move this code made, and it has |
| 1623 | * no business rearranging the browser on the way. |
| 1624 | * |
| 1625 | * @type {TbSpot | null} |
| 1626 | */ |
| 1627 | let forwardGoingTo = null; |
| 1628 | |
| 1629 | /** |
| 1630 | * Show the tab that points at wherever the terminal has landed, if one is open |
| 1631 | * and is not already showing. |
| 1632 | */ |
| 1633 | function applyReverseTabPin() { |
| 1634 | if (!connected || panelWindowId == null) return; |
| 1635 | const at = currentSpot(); |
| 1636 | if (!at) return; |
| 1637 | api.tabs |
| 1638 | .query({ windowId: panelWindowId }) |
| 1639 | .then((tabs) => { |
| 1640 | // Most recently used first, which is the tie-break `Tabpin.reverse` |
| 1641 | // leans on: of two tabs on the pinned origin, the one you were reading. |
| 1642 | // Chrome before 121 has no `lastAccessed`, and then the sort is a no-op |
| 1643 | // and tab order decides — a worse answer, not a broken one. |
| 1644 | const order = [...tabs].sort((a, b) => (b.lastAccessed ?? 0) - (a.lastAccessed ?? 0)); |
| 1645 | const hit = Tabpin.reverse(tabPins, at, order, lastSessions, Portless); |
| 1646 | if (!hit) return; |
| 1647 | reverseGoingTo = hit.tabId; |
| 1648 | api.tabs.update(hit.tabId, { active: true }).catch(() => { |
| 1649 | reverseGoingTo = null; |
| 1650 | }); |
| 1651 | }) |
| 1652 | .catch(() => {}); |
| 1653 | } |
| 1654 | |
| 1655 | /** |
| 1656 | * Act on where the terminal is, after a beat. |
| 1657 | * |
| 1658 | * The beat is the same bargain as `PIN_SETTLE_MS` and for the same reason from |
| 1659 | * the other end: holding prefix-n through six windows should move the browser |
| 1660 | * once, at the end, rather than flicking it through five tabs on the way. |
| 1661 | */ |
| 1662 | function scheduleReverseTabPin() { |
| 1663 | clearTimeout(reverseTimer); |
| 1664 | reverseTimer = setTimeout(applyReverseTabPin, PIN_SETTLE_MS); |
| 1665 | } |
| 1666 | |
| 1667 | /** |
| 1668 | * Notice the terminal moving. Called once per status frame, which is the only |
| 1669 | * thing that can tell us — every mover of tmux is a frame by the time it gets |
| 1670 | * here, including this panel's own commands. |
| 1671 | * |
| 1672 | * The first frame after a connect is a starting position rather than a move, |
| 1673 | * and is skipped: opening the panel is not a reason to rearrange the browser, |
| 1674 | * and the forward direction is meanwhile busy putting the terminal on the tab |
| 1675 | * you already have up. |
| 1676 | */ |
| 1677 | function noteSpotChange() { |
| 1678 | const at = currentSpot(); |
| 1679 | if (!at) return; |
| 1680 | const was = lastSpot; |
| 1681 | lastSpot = at; |
| 1682 | if (!was || Tabpin.sameSpot(was, at)) return; |
| 1683 | if (forwardGoingTo && Tabpin.sameSpot(forwardGoingTo, at)) { |
| 1684 | // The browser moved the terminal; the terminal does not get to move it |
| 1685 | // back. See `forwardGoingTo`. |
| 1686 | forwardGoingTo = null; |
| 1687 | return; |
| 1688 | } |
| 1689 | forwardGoingTo = null; |
| 1690 | scheduleReverseTabPin(); |
| 1691 | } |
| 1692 | |
| 1693 | /** |
| 1694 | * Re-read the showing tab and act on it. Called for the events that can change |
| 1695 | * which pin applies, and once at startup for the tab that was already there. |
| 1696 | */ |
| 1697 | function syncTabPin() { |
| 1698 | if (panelWindowId == null) return; |
| 1699 | api.tabs |
| 1700 | .query({ active: true, windowId: panelWindowId }) |
| 1701 | .then(([tab]) => { |
| 1702 | if (!tab) return; |
| 1703 | browserTab = { id: tab.id, url: tab.url }; |
| 1704 | scheduleTabPin(); |
| 1705 | // The menu labels name the origin, and the indicator marks the row this |
| 1706 | // tab points at. Both are stale the moment the tab changed. |
| 1707 | repaintTabs(); |
| 1708 | syncDeviceToggle(); |
| 1709 | }) |
| 1710 | .catch(() => {}); |
| 1711 | } |
| 1712 | |
| 1713 | api.tabs.onActivated.addListener((info) => { |
| 1714 | if (info.windowId !== panelWindowId) return; |
| 1715 | if (info.tabId === reverseGoingTo) { |
| 1716 | // Our own doing — see `reverseGoingTo`. The tab still has to be recorded |
| 1717 | // and the header still has to redraw, since the indicator dot moves with |
| 1718 | // it; what is skipped is treating it as news about where the user went. |
| 1719 | reverseGoingTo = null; |
| 1720 | api.tabs |
| 1721 | .get(info.tabId) |
| 1722 | .then((tab) => { |
| 1723 | browserTab = { id: tab.id, url: tab.url }; |
| 1724 | repaintTabs(); |
| 1725 | syncDeviceToggle(); |
| 1726 | }) |
| 1727 | .catch(() => {}); |
| 1728 | return; |
| 1729 | } |
| 1730 | syncTabPin(); |
| 1731 | }); |
| 1732 | |
| 1733 | // A tab that navigates is a different origin and so possibly a different pin. |
| 1734 | // Only the showing one matters: a background tab finishing a redirect is not a |
| 1735 | // reason to move the terminal. |
| 1736 | api.tabs.onUpdated.addListener((tabId, change, tab) => { |
| 1737 | if (!change.url || tab.windowId !== panelWindowId || tabId !== browserTab.id) return; |
| 1738 | browserTab = { id: tabId, url: change.url }; |
| 1739 | scheduleTabPin(); |
| 1740 | repaintTabs(); |
| 1741 | syncDeviceToggle(); |
| 1742 | }); |
| 1743 | |
| 1744 | // Tab ids are never reissued, so a pin whose tab is gone can only ever be dead |
| 1745 | // weight in storage. |
| 1746 | api.tabs.onRemoved.addListener((tabId) => { |
| 1747 | if (!(String(tabId) in tabPins.byTab)) return; |
| 1748 | const next = Tabpin.put(tabPins, "tab", tabId, undefined); |
| 1749 | tabPins = next; |
| 1750 | storage.set({ [Tabpin.KEY]: next }); |
| 1751 | }); |
| 1752 | |
| 1753 | /** `http://localhost:26210` reads better as `localhost:26210` in a menu. |
| 1754 | * @param {string} origin */ |
| 1755 | function shortOrigin(origin) { |
| 1756 | return origin.replace(/^https?:\/\//, ""); |
| 1757 | } |
| 1758 | |
| 1759 | /** |
| 1760 | * Whether the showing browser tab points at this exact row, so the row can say |
| 1761 | * so. Windows match on their own id. |
| 1762 | * |
| 1763 | * A session's own row (chip or session-tab) also lights up for a pin that |
| 1764 | * names one of its *windows*, not just a session-level pin — that window's own |
| 1765 | * row carries the precise mark when it is on screen, but a folded group or a |
| 1766 | * session you are not attached to never renders its windows at all, and the |
| 1767 | * session row is the only thing left to say the pin is in here somewhere. |
| 1768 | * |
| 1769 | * @param {{ session?: string | null, window?: string | null }} row |
| 1770 | * @returns {TbPinSource | null} |
| 1771 | */ |
| 1772 | function tabPinMark(row) { |
| 1773 | const at = pinNow; |
| 1774 | if (!at) return null; |
| 1775 | if (row.window) return at.window?.id === row.window ? at.source : null; |
| 1776 | return at.session === row.session ? at.source : null; |
| 1777 | } |
| 1778 | |
| 1779 | /** How a pin explains itself in a tooltip. */ |
| 1780 | const PIN_SOURCE_NOTE = { |
| 1781 | tab: "pinned to this browser tab", |
| 1782 | origin: "pinned to this site", |
| 1783 | detect: "matched to this site by its portless name", |
| 1784 | }; |
| 1785 | |
| 1786 | /** |
| 1787 | * Removes whichever pin currently links `target` to the browser tab on |
| 1788 | * screen — shared by the context menu's "Unpin from..." line and the pin icon |
| 1789 | * a linked window's tab wears, so there is one place that knows how each kind |
| 1790 | * of pin comes off. |
| 1791 | * |
| 1792 | * Unpinning a detected match cannot just delete an entry — there is no entry, |
| 1793 | * and the guess would be back before the click had landed. It writes the veto |
| 1794 | * instead, at the level the guess was made: the origin. |
| 1795 | * |
| 1796 | * @param {{ session?: string | null, window?: string | null }} target |
| 1797 | */ |
| 1798 | function unpinHere(target) { |
| 1799 | const here = tabPinMark({ session: target.session, window: target.window }); |
| 1800 | if (!here) return; |
| 1801 | const origin = Tabpin.originOf(browserTab.url); |
| 1802 | const tabKey = browserTab.id != null ? String(browserTab.id) : ""; |
| 1803 | if (here === "tab") saveTabPins(Tabpin.put(tabPins, "tab", tabKey, undefined)); |
| 1804 | else if (here === "origin") saveTabPins(Tabpin.put(tabPins, "origin", origin, undefined)); |
| 1805 | else saveTabPins(Tabpin.put(tabPins, "origin", origin, null)); |
| 1806 | } |
| 1807 | |
| 1808 | /** |
| 1809 | * The pin lines of a context menu, for a window (a window id) or a whole |
| 1810 | * session (none). Both kinds of key are offered because they answer different |
| 1811 | * questions — see the header of lib/tabpin.js — and neither is offered for a |
| 1812 | * tab whose URL cannot carry a pin, which is every browser page and every |
| 1813 | * `file:`. |
| 1814 | * |
| 1815 | * @param {HTMLElement} menu |
| 1816 | * @param {TbPinTarget} target |
| 1817 | */ |
| 1818 | function pinMenuItems(menu, target) { |
| 1819 | const origin = Tabpin.originOf(browserTab.url); |
| 1820 | const tabKey = browserTab.id != null ? String(browserTab.id) : ""; |
| 1821 | const here = tabPinMark({ session: target.session, window: target.window }); |
| 1822 | |
| 1823 | if (here) { |
| 1824 | const label = here === "tab" ? "Unpin from this browser tab" : `Unpin from ${shortOrigin(origin)}`; |
| 1825 | menuItem(menu, label, () => unpinHere(target)); |
| 1826 | return; |
| 1827 | } |
| 1828 | |
| 1829 | const what = target.window ? "this window" : target.session; |
| 1830 | if (origin) { |
| 1831 | menuItem(menu, `Pin ${what} to ${shortOrigin(origin)}`, () => |
| 1832 | saveTabPins(Tabpin.put(tabPins, "origin", origin, target)), |
| 1833 | ); |
| 1834 | } |
| 1835 | if (tabKey) { |
| 1836 | menuItem(menu, `Pin ${what} to this browser tab`, () => |
| 1837 | saveTabPins(Tabpin.put(tabPins, "tab", tabKey, target)), |
| 1838 | ); |
| 1839 | } |
| 1840 | } |
| 1841 | |
| 1842 | // --- tab context menu ------------------------------------------------------- |
| 1843 | // |
| 1844 | // Built rather than native: an extension page gets the browser's own menu here, |
| 1845 | // which has nothing to say about tmux windows. Deliberately not a <dialog> or |
| 1846 | // anything modal — a modal in this panel would block the socket's message |
| 1847 | // handler while it is up. |
| 1848 | |
| 1849 | let openMenu = /** @type {HTMLElement | null} */ (null); |
| 1850 | |
| 1851 | /** |
| 1852 | * Set while a group menu's name field is open, so closing the menu commits what |
| 1853 | * was typed in it. See `renameRow`. |
| 1854 | * @type {(() => void) | null} |
| 1855 | */ |
| 1856 | let pendingRename = null; |
| 1857 | |
| 1858 | function closeTabMenu() { |
| 1859 | const commit = pendingRename; |
| 1860 | pendingRename = null; |
| 1861 | commit?.(); |
| 1862 | openMenu?.remove(); |
| 1863 | openMenu = null; |
| 1864 | // The session info panel shares this machinery, and the dot it hangs off has |
| 1865 | // to stop claiming it is open. |
| 1866 | if (infoOpen) { |
| 1867 | infoOpen = false; |
| 1868 | $("omni-here").setAttribute("aria-expanded", "false"); |
| 1869 | } |
| 1870 | } |
| 1871 | |
| 1872 | /** |
| 1873 | * One line of a menu. Every one of them does the same two things in the same |
| 1874 | * order — dismiss the menu, then act — because a menu still standing over the |
| 1875 | * thing it just changed is the wrong half of the gesture. |
| 1876 | * |
| 1877 | * @param {HTMLElement} menu |
| 1878 | * @param {string} label |
| 1879 | * @param {() => void} run |
| 1880 | */ |
| 1881 | function menuItem(menu, label, run) { |
| 1882 | const b = button({ |
| 1883 | text: label, |
| 1884 | attrs: { role: "menuitem" }, |
| 1885 | on: { |
| 1886 | click: () => { |
| 1887 | closeTabMenu(); |
| 1888 | run(); |
| 1889 | }, |
| 1890 | }, |
| 1891 | }); |
| 1892 | menu.appendChild(b); |
| 1893 | return b; |
| 1894 | } |
| 1895 | |
| 1896 | /** |
| 1897 | * @param {MouseEvent} e |
| 1898 | * @param {TbWindowInfo} w |
| 1899 | * @param {object} opts |
| 1900 | * @param {boolean} opts.pinned |
| 1901 | * @param {boolean} opts.closable |
| 1902 | * @param {string} [opts.owner] |
| 1903 | * @param {boolean} [opts.current] |
| 1904 | * @param {boolean} [opts.lastInSession] |
| 1905 | */ |
| 1906 | function openTabMenu(e, w, { pinned: isPinned, closable, owner, current, lastInSession }) { |
| 1907 | closeTabMenu(); |
| 1908 | const menu = el("div", { class: "tab-menu", attrs: { role: "menu" } }); |
| 1909 | /** @param {string} label @param {() => void} run */ |
| 1910 | const item = (label, run) => menuItem(menu, label, run); |
| 1911 | |
| 1912 | item(isPinned ? "Unpin" : "Pin", () => { |
| 1913 | const ids = pinnedIds(owner); |
| 1914 | if (isPinned) ids.delete(w.id); |
| 1915 | else ids.add(w.id); |
| 1916 | savePins(owner, ids); |
| 1917 | repaintTabs(); |
| 1918 | }); |
| 1919 | |
| 1920 | if (!current) { |
| 1921 | item(owner && owner !== sessionName ? `Go to ${owner}` : "Select", () => { |
| 1922 | selectWindow(w, owner); |
| 1923 | term.focus(); |
| 1924 | }); |
| 1925 | } |
| 1926 | |
| 1927 | // Both levels, from the one menu: the window you right-clicked, and the |
| 1928 | // session it belongs to. They are genuinely different pins — "this browser |
| 1929 | // tab brings up my dev server window" and "this browser tab brings up that |
| 1930 | // project, wherever I left it" — and the second is the one most people want. |
| 1931 | const pinTo = owner ?? sessionName; |
| 1932 | if (pinTo) { |
| 1933 | pinMenuItems(menu, { session: pinTo, window: w.id }); |
| 1934 | pinMenuItems(menu, { session: pinTo, window: null }); |
| 1935 | } |
| 1936 | |
| 1937 | // A tab's own menu is the nearest thing to "open another one beside this", |
| 1938 | // and beside this means in the session this tab belongs to — the owner in |
| 1939 | // groups mode, where the row spans the server, and the panel's session |
| 1940 | // otherwise. |
| 1941 | const beside = owner ?? sessionName; |
| 1942 | if (beside && lastSessions.some((s) => s.name === beside)) { |
| 1943 | item("New Claude", () => { |
| 1944 | newClaudeIn(beside); |
| 1945 | term.focus(); |
| 1946 | }); |
| 1947 | } |
| 1948 | |
| 1949 | // The same split the "+" drop target performs, as a line you can find without |
| 1950 | // knowing the drag exists. Withheld for a session's last window, where the |
| 1951 | // drag allows it — a drop needs a "+" that lights up for every tab, but a menu |
| 1952 | // line can be selective, and here the split would only rename the session the |
| 1953 | // window is already alone in. |
| 1954 | if (!lastInSession) { |
| 1955 | item("Move to new session", () => { |
| 1956 | const name = sessionNameFor( |
| 1957 | w.name, |
| 1958 | lastSessions.map((s) => s.name), |
| 1959 | ); |
| 1960 | tmuxCommand({ cmd: "new-session-with-window", window: w.id, name }); |
| 1961 | log(`new session ${name} from window ${w.index} (${w.name})`); |
| 1962 | term.focus(); |
| 1963 | }); |
| 1964 | } |
| 1965 | |
| 1966 | if (closable) { |
| 1967 | const kill = item(lastInSession && owner ? `Close window and ${owner}` : "Close window", () => { |
| 1968 | tmuxCommand({ cmd: "kill-window", window: w.id }); |
| 1969 | log(`killed window ${w.index} (${w.name})`); |
| 1970 | term.focus(); |
| 1971 | }); |
| 1972 | kill.className = "danger"; |
| 1973 | } |
| 1974 | |
| 1975 | document.body.appendChild(menu); |
| 1976 | placeMenu(menu, e); |
| 1977 | } |
| 1978 | |
| 1979 | /** |
| 1980 | * Put a menu that is already in the document under the pointer, and make it the |
| 1981 | * one open menu. |
| 1982 | * |
| 1983 | * Placed after measuring, so a menu opened near an edge folds back inside |
| 1984 | * rather than off the panel. |
| 1985 | * |
| 1986 | * @param {HTMLElement} menu |
| 1987 | * @param {{ clientX: number, clientY: number }} e |
| 1988 | */ |
| 1989 | function placeMenu(menu, e) { |
| 1990 | const r = menu.getBoundingClientRect(); |
| 1991 | menu.style.left = `${Math.min(e.clientX, Math.max(0, window.innerWidth - r.width - 4))}px`; |
| 1992 | menu.style.top = `${Math.min(e.clientY, Math.max(0, window.innerHeight - r.height - 4))}px`; |
| 1993 | openMenu = menu; |
| 1994 | |
| 1995 | // Any click that isn't on the menu, anywhere, dismisses it. |
| 1996 | setTimeout(() => { |
| 1997 | window.addEventListener("pointerdown", onDismiss, { once: true, capture: true }); |
| 1998 | }, 0); |
| 1999 | } |
| 2000 | |
| 2001 | /** @param {Event} e */ |
| 2002 | function onDismiss(e) { |
| 2003 | if (openMenu && e.target instanceof Node && openMenu.contains(e.target)) return; |
| 2004 | // A press on the dot is the first half of a click that means "put it away". |
| 2005 | // This guard gets there first and would leave the panel closed, so the click |
| 2006 | // behind it would read a closed panel and open it straight back up; the flag |
| 2007 | // is how that click learns the press it belongs to did the closing. |
| 2008 | infoToggledOff = |
| 2009 | infoOpen && e.target instanceof Node && !!$("omni-here").contains(e.target); |
| 2010 | closeTabMenu(); |
| 2011 | } |
| 2012 | |
| 2013 | /** |
| 2014 | * @param {TbWindowInfo} w |
| 2015 | * @param {string} [lastOf] the session this is the only window of, if it is — |
| 2016 | * closing it takes that session with it, which the label has to say |
| 2017 | */ |
| 2018 | function closeButton(w, lastOf) { |
| 2019 | const label = lastOf |
| 2020 | ? `Close window ${w.index}: ${w.name} — last one, so this closes ${lastOf} too` |
| 2021 | : `Close window ${w.index}: ${w.name}`; |
| 2022 | return button( |
| 2023 | { |
| 2024 | class: "tab-close", |
| 2025 | title: label, |
| 2026 | attrs: { "aria-label": label }, |
| 2027 | on: { |
| 2028 | /** @param {MouseEvent} e */ |
| 2029 | click: (e) => { |
| 2030 | // The tab underneath would otherwise read this as "select me". |
| 2031 | e.stopPropagation(); |
| 2032 | tmuxCommand({ cmd: "kill-window", window: w.id }); |
| 2033 | // The one destructive thing in the panel, and tmux has no undo for it, |
| 2034 | // so it at least leaves a record of what went. |
| 2035 | log(`killed window ${w.index} (${w.name})`); |
| 2036 | term.focus(); |
| 2037 | }, |
| 2038 | }, |
| 2039 | }, |
| 2040 | strokeIcon("M4 4l8 8M12 4l-8 8"), |
| 2041 | ); |
| 2042 | } |
| 2043 | |
| 2044 | /** |
| 2045 | * The pin icon a window's tab wears once the browser tab on screen is linked |
| 2046 | * to it. One click is the whole gesture — `unpinHere` already knows which |
| 2047 | * kind of pin to take off, and the tooltip already said why it was there. |
| 2048 | * |
| 2049 | * @param {{ session?: string | null, window?: string | null }} target |
| 2050 | * @param {TbPinSource} source |
| 2051 | */ |
| 2052 | function unpinButton(target, source) { |
| 2053 | const label = `${PIN_SOURCE_NOTE[source]} — click to unpin`; |
| 2054 | return button( |
| 2055 | { |
| 2056 | class: "tab-pin", |
| 2057 | title: label, |
| 2058 | attrs: { "aria-label": label }, |
| 2059 | on: { |
| 2060 | /** @param {MouseEvent} e */ |
| 2061 | click: (e) => { |
| 2062 | // The tab underneath would otherwise read this as "select me". |
| 2063 | e.stopPropagation(); |
| 2064 | unpinHere(target); |
| 2065 | term.focus(); |
| 2066 | }, |
| 2067 | }, |
| 2068 | }, |
| 2069 | pinIcon(), |
| 2070 | ); |
| 2071 | } |
| 2072 | |
| 2073 | const SVG_NS = "http://www.w3.org/2000/svg"; |
| 2074 | |
| 2075 | /** |
| 2076 | * The header's icons are inline SVG rather than unicode glyphs, which render at |
| 2077 | * wildly different weights depending on the platform's fallback font. The ones |
| 2078 | * built here are the same, just built rather than written out. |
| 2079 | * |
| 2080 | * @param {string} d |
| 2081 | */ |
| 2082 | function strokeIcon(d) { |
| 2083 | const svg = document.createElementNS(SVG_NS, "svg"); |
| 2084 | svg.setAttribute("viewBox", "0 0 16 16"); |
| 2085 | svg.setAttribute("aria-hidden", "true"); |
| 2086 | const path = document.createElementNS(SVG_NS, "path"); |
| 2087 | path.setAttribute("d", d); |
| 2088 | path.setAttribute("stroke", "currentColor"); |
| 2089 | path.setAttribute("stroke-width", "2"); |
| 2090 | path.setAttribute("stroke-linecap", "round"); |
| 2091 | svg.appendChild(path); |
| 2092 | return svg; |
| 2093 | } |
| 2094 | |
| 2095 | /** Google's own "keep_off" glyph — the pin-with-a-strike Chrome's Material |
| 2096 | * Symbols icon set uses for exactly this — dropped in verbatim rather than |
| 2097 | * redrawn by hand. */ |
| 2098 | function pinIcon() { |
| 2099 | const svg = document.createElementNS(SVG_NS, "svg"); |
| 2100 | svg.setAttribute("viewBox", "0 0 24 24"); |
| 2101 | svg.setAttribute("aria-hidden", "true"); |
| 2102 | const path = document.createElementNS(SVG_NS, "path"); |
| 2103 | path.setAttribute( |
| 2104 | "d", |
| 2105 | "M17 3v2h-1v8.175L7.825 5L7 4.175V3zm-5 20l-1-1v-6H6v-2l2-2v-1.15L1.4 4.2l1.4-1.4l18.4 18.4l-1.45 1.4l-6.6-6.6H13v6z", |
| 2106 | ); |
| 2107 | path.setAttribute("fill", "currentColor"); |
| 2108 | svg.appendChild(path); |
| 2109 | return svg; |
| 2110 | } |
| 2111 | |
| 2112 | /** |
| 2113 | * Open a window in a session and go to it. |
| 2114 | * |
| 2115 | * A new window needs no name: tmux names it after whatever it runs, and renames |
| 2116 | * it as you cd around. So this is one click and no prompt. |
| 2117 | * |
| 2118 | * A session that does not exist yet cannot be given a window — but making it |
| 2119 | * *is* making the window, since `create` is `new-session -A`, which comes up |
| 2120 | * with one. That is the case the home session hits on a fresh tmux server, |
| 2121 | * where "+" is the first thing that ever names it. |
| 2122 | * |
| 2123 | * @param {string | null} session |
| 2124 | */ |
| 2125 | function newWindowIn(session) { |
| 2126 | if (!session) return; |
| 2127 | if (lastSessions.some((s) => s.name === session)) { |
| 2128 | tmuxCommand({ cmd: "new-window", session }); |
| 2129 | } else { |
| 2130 | tmuxCommand({ cmd: "create", session }); |
| 2131 | } |
| 2132 | } |
| 2133 | |
| 2134 | /** |
| 2135 | * Open a window running Claude in a session and go to it. |
| 2136 | * |
| 2137 | * The same window `!claude` and the omnibar's "New Claude" row open — `run` |
| 2138 | * rather than the daemon's Claude request, which exists to carry a prompt and |
| 2139 | * there is no prompt here. |
| 2140 | * |
| 2141 | * Unlike `newWindowIn` this cannot make the session it lands in: the daemon's |
| 2142 | * `run` is a `new-window` and nothing else, so a session that does not exist |
| 2143 | * yet would take the command nowhere. Every caller offers the row only for a |
| 2144 | * session the last frame named. |
| 2145 | * |
| 2146 | * @param {string | null} session |
| 2147 | */ |
| 2148 | function newClaudeIn(session) { |
| 2149 | if (!session) return; |
| 2150 | tmuxCommand({ cmd: "run", session, command: "claude" }); |
| 2151 | } |
| 2152 | |
| 2153 | /* What a plain click on "+" makes. |
| 2154 | |
| 2155 | The button opens a window either way; the question is what is running in it. |
| 2156 | "claude" is the default because that is what the window is nearly always for |
| 2157 | — a shell is one `exit` away inside it, and a Claude in a shell is a command |
| 2158 | you had to type. "window" is the old behaviour, for anyone whose "+" means a |
| 2159 | shell. |
| 2160 | |
| 2161 | Only the plain click follows this. The hold menu still offers both, so |
| 2162 | whichever is not the default is one gesture away rather than a settings trip, |
| 2163 | and it lists the default first. */ |
| 2164 | /** @type {Record<string, { verb: string, hint: string }>} */ |
| 2165 | const NEW_TAB_ACTIONS = { |
| 2166 | claude: { |
| 2167 | verb: "New Claude in", |
| 2168 | hint: '"+" opens a window running claude. Hold it for a plain shell.', |
| 2169 | }, |
| 2170 | window: { |
| 2171 | verb: "New window in", |
| 2172 | hint: '"+" opens a window with a shell. Hold it for claude.', |
| 2173 | }, |
| 2174 | }; |
| 2175 | let newTabAction = "claude"; |
| 2176 | |
| 2177 | /** @returns {"claude" | "window"} what "+" does, as a key of NEW_TAB_ACTIONS. */ |
| 2178 | function plainNewTab() { |
| 2179 | return newTabAction === "window" ? "window" : "claude"; |
| 2180 | } |
| 2181 | |
| 2182 | /** |
| 2183 | * The pref only reaches two places — the tooltips, which `renderHeader` writes |
| 2184 | * on every frame, and the settings card. So this repaints the header rather |
| 2185 | * than touching the button itself. |
| 2186 | */ |
| 2187 | function applyNewTabAction() { |
| 2188 | const a = NEW_TAB_ACTIONS[plainNewTab()]; |
| 2189 | $select("newtab-select").value = plainNewTab(); |
| 2190 | $("newtab-hint").textContent = a.hint; |
| 2191 | renderHeader(lastSessions, sessionName, lastAgents); |
| 2192 | } |
| 2193 | |
| 2194 | /** @param {string} value */ |
| 2195 | function setNewTabAction(value) { |
| 2196 | newTabAction = NEW_TAB_ACTIONS[value] ? value : "claude"; |
| 2197 | storage.set({ newTabAction }); |
| 2198 | applyNewTabAction(); |
| 2199 | } |
| 2200 | |
| 2201 | /** |
| 2202 | * What "+" promises, in the session it will actually land in. Both layouts word |
| 2203 | * it the same way and only differ in which session that is. |
| 2204 | * |
| 2205 | * @param {string | null | undefined} target |
| 2206 | */ |
| 2207 | function newTabTitle(target) { |
| 2208 | const { verb } = NEW_TAB_ACTIONS[plainNewTab()]; |
| 2209 | return (target ? `${verb} ${target}` : verb.replace(/ in$/, "")) + SPLIT_HINT + HOLD_HINT; |
| 2210 | } |
| 2211 | |
| 2212 | /** |
| 2213 | * Do what a plain "+" click means, in whichever session it points at. |
| 2214 | * |
| 2215 | * @param {string | null} session |
| 2216 | */ |
| 2217 | function newTabIn(session) { |
| 2218 | // A session the last frame has not named cannot be given a Claude window (see |
| 2219 | // `newClaudeIn`), and `newWindowIn` is the one path that can make it. So the |
| 2220 | // first "+" on a fresh server opens a shell whatever the pref says — there is |
| 2221 | // no session yet for anything else to run in. |
| 2222 | if (plainNewTab() === "claude" && session && lastSessions.some((s) => s.name === session)) { |
| 2223 | newClaudeIn(session); |
| 2224 | } else { |
| 2225 | newWindowIn(session); |
| 2226 | } |
| 2227 | } |
| 2228 | |
| 2229 | /** |
| 2230 | * Which session the row's "+" adds to. |
| 2231 | * |
| 2232 | * Nested, the row *is* one session's windows, so a window added anywhere else |
| 2233 | * would not appear in it — "+" adds here, as it always has. |
| 2234 | * |
| 2235 | * Groups, the row spans the server, so it can show a window wherever it lands. |
| 2236 | * It goes to the home session, which is the split Chrome makes: its "+" opens |
| 2237 | * an ungrouped tab rather than another tab in whichever group you happen to be |
| 2238 | * reading, and a group's own menu is how you add to that group. |
| 2239 | * |
| 2240 | * Unless the server is holding exactly one session — then that one, whatever it |
| 2241 | * is called. With a single group there is no ambiguity for "+" to resolve, and |
| 2242 | * answering it with `default` would spend a second group on one window and |
| 2243 | * split the work across two. It is the same judgement the daemon makes when it |
| 2244 | * adopts a sole existing session rather than creating its own beside it (see |
| 2245 | * `adopt_sole_session` in daemon/src/server.rs). |
| 2246 | * |
| 2247 | * @returns {string | null} |
| 2248 | */ |
| 2249 | function newWindowTarget() { |
| 2250 | if (tabMode !== "groups") return sessionName; |
| 2251 | if (lastSessions.length === 1) return lastSessions[0].name; |
| 2252 | return defaultSession; |
| 2253 | } |
| 2254 | |
| 2255 | // --- "+" as more than a window ---------------------------------------------- |
| 2256 | // |
| 2257 | // A click on a browser's "+" makes a tab; holding it, or right-clicking it, |
| 2258 | // offers the other thing the strip can hold. Here that other thing is a tmux |
| 2259 | // session — a tab group — and this is where it gets made, so the row never |
| 2260 | // needs a second icon beside the first that looks the same and does something |
| 2261 | // else. The plain click stays one gesture and no prompt: it opens a window |
| 2262 | // immediately, running whatever `NEW_TAB_ACTIONS` says — and the menu holds the |
| 2263 | // other kind, so that pref is a hold away rather than a settings trip. |
| 2264 | // |
| 2265 | // The menu is the same one every tab and chip in the row uses, so it dismisses |
| 2266 | // the same way and only one of them is ever up. |
| 2267 | |
| 2268 | /** How long "+" has to be held before the menu is what the press meant. */ |
| 2269 | const NEW_HOLD_MS = 450; |
| 2270 | |
| 2271 | let newHold = /** @type {ReturnType<typeof setTimeout> | undefined} */ (undefined); |
| 2272 | /** Set when a hold has opened the menu, so the click that ends the press |
| 2273 | doesn't also open a window behind it. */ |
| 2274 | let newHeld = false; |
| 2275 | |
| 2276 | /** @param {{ clientX: number, clientY: number }} e */ |
| 2277 | function openNewMenu(e) { |
| 2278 | closeTabMenu(); |
| 2279 | const menu = el("div", { class: "tab-menu", attrs: { role: "menu" } }); |
| 2280 | const target = newWindowTarget() ?? defaultSession; |
| 2281 | const window_ = () => |
| 2282 | menuItem(menu, `New window in ${target}`, () => { |
| 2283 | newWindowIn(target); |
| 2284 | term.focus(); |
| 2285 | }); |
| 2286 | // Only once the session exists: see `newClaudeIn`. On a fresh server "+" |
| 2287 | // itself is what names the home session, and until it has, there is nowhere |
| 2288 | // for a `run` to open a window. |
| 2289 | const claude = () => { |
| 2290 | if (!lastSessions.some((s) => s.name === target)) return; |
| 2291 | menuItem(menu, `New Claude in ${target}`, () => { |
| 2292 | newClaudeIn(target); |
| 2293 | term.focus(); |
| 2294 | }); |
| 2295 | }; |
| 2296 | // The default first, so the menu reads in the order the button does: what a |
| 2297 | // plain click would have done, then the other one. |
| 2298 | if (plainNewTab() === "claude") { |
| 2299 | claude(); |
| 2300 | window_(); |
| 2301 | } else { |
| 2302 | window_(); |
| 2303 | claude(); |
| 2304 | } |
| 2305 | // Named rather than immediate, unlike the window: a session's name is the |
| 2306 | // only handle a terminal gives you on it. See "new session" below. |
| 2307 | menuItem(menu, "New session…", showSessionInput); |
| 2308 | document.body.appendChild(menu); |
| 2309 | placeMenu(menu, e); |
| 2310 | } |
| 2311 | |
| 2312 | function cancelNewHold() { |
| 2313 | clearTimeout(newHold); |
| 2314 | newHold = undefined; |
| 2315 | } |
| 2316 | |
| 2317 | { |
| 2318 | const btn = $("tab-new"); |
| 2319 | btn.addEventListener("click", () => { |
| 2320 | // The hold already answered this press. |
| 2321 | if (newHeld) { |
| 2322 | newHeld = false; |
| 2323 | return; |
| 2324 | } |
| 2325 | newTabIn(newWindowTarget()); |
| 2326 | term.focus(); |
| 2327 | }); |
| 2328 | |
| 2329 | btn.addEventListener("pointerdown", (e) => { |
| 2330 | const ev = /** @type {PointerEvent} */ (e); |
| 2331 | // Right button is the contextmenu event's, not the hold's. |
| 2332 | if (ev.button !== 0) return; |
| 2333 | newHeld = false; |
| 2334 | cancelNewHold(); |
| 2335 | newHold = setTimeout(() => { |
| 2336 | newHold = undefined; |
| 2337 | newHeld = true; |
| 2338 | openNewMenu(ev); |
| 2339 | }, NEW_HOLD_MS); |
| 2340 | }); |
| 2341 | // A press that ends, moves off the button, or is taken away by the browser |
| 2342 | // (a touch turning into a scroll) is not a hold. |
| 2343 | for (const type of ["pointerup", "pointerleave", "pointercancel"]) { |
| 2344 | btn.addEventListener(type, cancelNewHold); |
| 2345 | } |
| 2346 | |
| 2347 | btn.addEventListener("contextmenu", (e) => { |
| 2348 | e.preventDefault(); |
| 2349 | // On touch the browser fires this at the end of its own long press, by |
| 2350 | // which point our hold has already put the menu up. |
| 2351 | if (newHeld) return; |
| 2352 | cancelNewHold(); |
| 2353 | openNewMenu(/** @type {MouseEvent} */ (e)); |
| 2354 | }); |
| 2355 | } |
| 2356 | |
| 2357 | // --- push to talk ----------------------------------------------------------- |
| 2358 | // |
| 2359 | // Claude Code's voice mode is push-to-talk: you hold space in the pane and it |
| 2360 | // records until you let go. There is no key to hold from here — the terminal is |
| 2361 | // what has focus, and a sidebar button is a click, not a hold — so this button |
| 2362 | // holds it on your behalf for as long as the pointer is down on it. |
| 2363 | // |
| 2364 | // What "holding a key" *is*, at the far end of a pty, is autorepeat: the press |
| 2365 | // puts one byte on the wire and the keyboard driver keeps putting the same byte |
| 2366 | // there, after a delay, at a steady rate, until the key comes up. A pty carries |
| 2367 | // no key-up event and no notion of a key being down, so reproducing the stream |
| 2368 | // is the whole of reproducing the hold. The two constants below are the X11 |
| 2369 | // defaults, which is what a Linux terminal on the other end would have sent. |
| 2370 | // |
| 2371 | // If the agent on the other end turns out to want explicit press/release events |
| 2372 | // instead — the kitty keyboard protocol reports both, where plain mode cannot — |
| 2373 | // then TALK_PRESS/TALK_RELEASE are the only two things that change. |
| 2374 | const TALK_DELAY_MS = 500; |
| 2375 | const TALK_INTERVAL_MS = 33; |
| 2376 | |
| 2377 | // Letting go of the button ends the recording, and what you almost always want |
| 2378 | // next is to send it — but not always: often the thought is not finished and the |
| 2379 | // button goes down again. So the submit is deferred rather than immediate, and a |
| 2380 | // second press inside the window cancels it. The transcript stays one prompt |
| 2381 | // across as many holds as it takes, and the pause that ends it is the same |
| 2382 | // gesture as pausing before hitting Return. |
| 2383 | const TALK_SUBMIT_MS = 1000; |
| 2384 | |
| 2385 | /** Bytes for the press, each repeat, the release, and the deferred submit. */ |
| 2386 | const TALK_PRESS = " "; |
| 2387 | const TALK_RELEASE = ""; |
| 2388 | // Carriage return and not a newline: that is the byte a terminal's Return key |
| 2389 | // puts on the wire, and what line-editing readers — a shell, Claude Code's |
| 2390 | // prompt — are waiting for. `\n` would be Ctrl+J, which some of them treat as a |
| 2391 | // literal newline in the buffer instead of a submit. |
| 2392 | const TALK_SUBMIT = "\r"; |
| 2393 | |
| 2394 | /** @type {number | undefined} */ |
| 2395 | let talkDelay; |
| 2396 | /** @type {number | undefined} */ |
| 2397 | let talkRepeat; |
| 2398 | /** @type {number | undefined} */ |
| 2399 | let talkSubmit; |
| 2400 | let talking = false; |
| 2401 | |
| 2402 | /** |
| 2403 | * Drop a submit that has not fired yet. Called when the button goes down again — |
| 2404 | * there is more to say — and whenever the panel loses the connection the submit |
| 2405 | * was going to travel over, so a reconnect does not inherit a stray Return. |
| 2406 | */ |
| 2407 | function cancelTalkSubmit() { |
| 2408 | clearTimeout(talkSubmit); |
| 2409 | talkSubmit = undefined; |
| 2410 | $("talk").classList.remove("pending"); |
| 2411 | } |
| 2412 | |
| 2413 | /** @param {string} bytes */ |
| 2414 | function talkSend(bytes) { |
| 2415 | if (!bytes || !connected || !ws) return false; |
| 2416 | ws.send(enc.encode(bytes)); |
| 2417 | return true; |
| 2418 | } |
| 2419 | |
| 2420 | function startTalk() { |
| 2421 | if (talking) return; |
| 2422 | // Before the connection check: a press that cannot record still means "I am |
| 2423 | // not done", and the queued Return would land after it. |
| 2424 | cancelTalkSubmit(); |
| 2425 | if (!connected || !ws) { |
| 2426 | log("not connected"); |
| 2427 | return; |
| 2428 | } |
| 2429 | talking = true; |
| 2430 | const btn = $("talk"); |
| 2431 | btn.classList.add("talking"); |
| 2432 | btn.setAttribute("aria-pressed", "true"); |
| 2433 | |
| 2434 | talkSend(TALK_PRESS); |
| 2435 | // The gap before autorepeat kicks in, then the repeat itself. A key held |
| 2436 | // briefly sends exactly one byte, which is what makes a quick tap on this |
| 2437 | // button a plain space rather than a burst of them. |
| 2438 | talkDelay = setTimeout(() => { |
| 2439 | talkRepeat = setInterval(() => { |
| 2440 | if (!talkSend(TALK_PRESS)) stopTalk(); |
| 2441 | }, TALK_INTERVAL_MS); |
| 2442 | }, TALK_DELAY_MS); |
| 2443 | } |
| 2444 | |
| 2445 | function stopTalk() { |
| 2446 | if (!talking) return; |
| 2447 | talking = false; |
| 2448 | clearTimeout(talkDelay); |
| 2449 | clearInterval(talkRepeat); |
| 2450 | talkDelay = talkRepeat = undefined; |
| 2451 | talkSend(TALK_RELEASE); |
| 2452 | const btn = $("talk"); |
| 2453 | btn.classList.remove("talking"); |
| 2454 | btn.setAttribute("aria-pressed", "false"); |
| 2455 | btn.style.setProperty("--talk-submit", `${TALK_SUBMIT_MS}ms`); |
| 2456 | // Off and on again, so a second hold inside the window restarts the fade |
| 2457 | // rather than continuing the old one from wherever it had got to. |
| 2458 | btn.classList.remove("pending"); |
| 2459 | void btn.offsetWidth; |
| 2460 | btn.classList.add("pending"); |
| 2461 | talkSubmit = setTimeout(() => { |
| 2462 | talkSubmit = undefined; |
| 2463 | btn.classList.remove("pending"); |
| 2464 | talkSend(TALK_SUBMIT); |
| 2465 | }, TALK_SUBMIT_MS); |
| 2466 | } |
| 2467 | |
| 2468 | { |
| 2469 | const btn = $("talk"); |
| 2470 | btn.addEventListener("pointerdown", (e) => { |
| 2471 | e.preventDefault(); |
| 2472 | // Capture, so a finger or cursor that slides off the button still ends the |
| 2473 | // hold on *this* element. Without it the pointerup lands somewhere else and |
| 2474 | // the key is held down forever, which in a terminal is not a small bug. |
| 2475 | btn.setPointerCapture(/** @type {PointerEvent} */ (e).pointerId); |
| 2476 | startTalk(); |
| 2477 | }); |
| 2478 | for (const type of ["pointerup", "pointercancel", "lostpointercapture"]) { |
| 2479 | btn.addEventListener(type, stopTalk); |
| 2480 | } |
| 2481 | // A click is a hold that already ended; the pointer handlers own both edges. |
| 2482 | btn.addEventListener("click", (e) => e.preventDefault()); |
| 2483 | btn.addEventListener("contextmenu", (e) => e.preventDefault()); |
| 2484 | |
| 2485 | // Keyboard: the same hold, from a focused button. `repeat` is the browser's |
| 2486 | // own autorepeat on *our* key, which would restart nothing but is not a |
| 2487 | // second press either. |
| 2488 | btn.addEventListener("keydown", (e) => { |
| 2489 | const ev = /** @type {KeyboardEvent} */ (e); |
| 2490 | if (ev.repeat || (ev.key !== " " && ev.key !== "Enter")) return; |
| 2491 | e.preventDefault(); |
| 2492 | startTalk(); |
| 2493 | }); |
| 2494 | btn.addEventListener("keyup", (e) => { |
| 2495 | const ev = /** @type {KeyboardEvent} */ (e); |
| 2496 | if (ev.key !== " " && ev.key !== "Enter") return; |
| 2497 | e.preventDefault(); |
| 2498 | stopTalk(); |
| 2499 | }); |
| 2500 | btn.addEventListener("blur", stopTalk); |
| 2501 | } |
| 2502 | |
| 2503 | // Nothing may outlive the gesture: a panel that loses the window mid-hold has |
| 2504 | // no way to see the release, and a stuck key would keep typing into the pane. |
| 2505 | window.addEventListener("blur", stopTalk); |
| 2506 | document.addEventListener("visibilitychange", () => { |
| 2507 | if (document.hidden) stopTalk(); |
| 2508 | }); |
| 2509 | |
| 2510 | // --- dragging tabs ---------------------------------------------------------- |
| 2511 | // |
| 2512 | // Both rows reorder by drag, and the two commit to different places: a window |
| 2513 | // drag is a real `move-window` on the server, because tmux has an order for |
| 2514 | // windows and the terminal's own status line has to agree with ours. Sessions |
| 2515 | // have no such thing — tmux lists them alphabetically and offers nothing to |
| 2516 | // renumber — so that order is this panel's, saved in extension storage. |
| 2517 | // |
| 2518 | // The drop itself is the same either way: the dragged element moves through the |
| 2519 | // row live, and the commit reads the row's final DOM order. |
| 2520 | |
| 2521 | /** The element being dragged, while a drag is in flight. */ |
| 2522 | let dragging = /** @type {HTMLElement | null} */ (null); |
| 2523 | |
| 2524 | /** |
| 2525 | * @param {HTMLElement} el the element the pointer picks up |
| 2526 | */ |
| 2527 | function makeDraggable(el) { |
| 2528 | el.draggable = true; |
| 2529 | el.addEventListener("dragstart", (e) => { |
| 2530 | dragging = el; |
| 2531 | el.classList.add("dragging"); |
| 2532 | const dt = /** @type {DragEvent} */ (e).dataTransfer; |
| 2533 | if (!dt) return; |
| 2534 | dt.effectAllowed = "move"; |
| 2535 | // Firefox starts no drag at all without data on the transfer. Nothing |
| 2536 | // reads it: the element being moved is `dragging`, and a drop from outside |
| 2537 | // this row is ignored below. |
| 2538 | dt.setData("text/plain", ""); |
| 2539 | }); |
| 2540 | el.addEventListener("dragend", () => { |
| 2541 | el.classList.remove("dragging"); |
| 2542 | dragging = null; |
| 2543 | }); |
| 2544 | } |
| 2545 | |
| 2546 | /** |
| 2547 | * Wire a row as a drop target. `commit` runs once, on drop, with the row's DOM |
| 2548 | * already in the order the pointer left it in. |
| 2549 | * |
| 2550 | * @param {HTMLElement} strip |
| 2551 | * @param {string} sel selector for that row's draggable items |
| 2552 | * @param {(moved: HTMLElement) => void} commit |
| 2553 | */ |
| 2554 | function dropZone(strip, sel, commit) { |
| 2555 | strip.addEventListener("dragover", (e) => { |
| 2556 | // A drag that started somewhere else — the other row, or another page |
| 2557 | // entirely — is not a reorder of this one. |
| 2558 | if (!dragging || dragging.parentElement !== strip) return; |
| 2559 | e.preventDefault(); |
| 2560 | const x = /** @type {DragEvent} */ (e).clientX; |
| 2561 | // The first item whose midpoint is past the pointer is the one the dragged |
| 2562 | // tab belongs in front of; none means the pointer is past them all. |
| 2563 | const before = |
| 2564 | [...strip.querySelectorAll(sel)] |
| 2565 | .filter((el) => el !== dragging) |
| 2566 | .find((el) => x < el.getBoundingClientRect().left + el.getBoundingClientRect().width / 2) ?? |
| 2567 | null; |
| 2568 | if (before !== dragging.nextElementSibling) strip.insertBefore(dragging, before); |
| 2569 | }); |
| 2570 | strip.addEventListener("drop", (e) => { |
| 2571 | if (!dragging || dragging.parentElement !== strip) return; |
| 2572 | e.preventDefault(); |
| 2573 | commit(dragging); |
| 2574 | }); |
| 2575 | } |
| 2576 | |
| 2577 | dropZone($("sessions"), ".session-tab", () => { |
| 2578 | saveSessionOrder( |
| 2579 | [...$("sessions").querySelectorAll(".session-tab")].map( |
| 2580 | (el) => /** @type {HTMLElement} */ (el).dataset.session ?? "", |
| 2581 | ), |
| 2582 | ); |
| 2583 | term.focus(); |
| 2584 | }); |
| 2585 | |
| 2586 | dropZone($("tabs"), ".tab-slot", (slot) => { |
| 2587 | // Expressed against a neighbour rather than an index: `move-window -a/-b` |
| 2588 | // renumbers whatever has to move, so there is no free index to find and no |
| 2589 | // window to overwrite. The next status frame brings the new indexes back. |
| 2590 | // |
| 2591 | // In groups mode the neighbours are found the same way, but the walk stops at |
| 2592 | // a chip: the tab either side of a group boundary is in a different session, |
| 2593 | // and landing "after" it would silently move the window out of the group the |
| 2594 | // pointer left it in. Where the walk finds nothing — a group with no other |
| 2595 | // window in it — the session itself is the target instead. |
| 2596 | const moved = windowIdOf(slot); |
| 2597 | if (!moved) return; |
| 2598 | const grouped = tabMode === "groups"; |
| 2599 | const after = windowIdOf(neighbour(slot, "previousElementSibling")); |
| 2600 | const before = windowIdOf(neighbour(slot, "nextElementSibling")); |
| 2601 | if (after) tmuxCommand({ cmd: "move-window", window: moved, target: after, after: true }); |
| 2602 | else if (before) tmuxCommand({ cmd: "move-window", window: moved, target: before }); |
| 2603 | else if (grouped) { |
| 2604 | const group = groupOf(slot); |
| 2605 | if (group && group !== sessionOf(slot)) { |
| 2606 | tmuxCommand({ cmd: "move-window-to-session", window: moved, session: group }); |
| 2607 | } |
| 2608 | } |
| 2609 | term.focus(); |
| 2610 | }); |
| 2611 | |
| 2612 | /** |
| 2613 | * The tab next to this one, in the given direction, stopping at a group |
| 2614 | * boundary. Chips only exist in groups mode, so in the nested layout this is |
| 2615 | * just the adjacent sibling. |
| 2616 | * |
| 2617 | * @param {Element} slot |
| 2618 | * @param {"previousElementSibling" | "nextElementSibling"} dir |
| 2619 | * @returns {Element | null} |
| 2620 | */ |
| 2621 | function neighbour(slot, dir) { |
| 2622 | for (let el = slot[dir]; el; el = el[dir]) { |
| 2623 | if (el.classList.contains("group-chip")) return null; |
| 2624 | if (el.classList.contains("tab-slot")) return el; |
| 2625 | } |
| 2626 | return null; |
| 2627 | } |
| 2628 | |
| 2629 | /** |
| 2630 | * Which group a dropped tab landed in: the nearest chip above it in the row. |
| 2631 | * @param {Element} slot |
| 2632 | * @returns {string} session name, or "" if the row has no chips |
| 2633 | */ |
| 2634 | function groupOf(slot) { |
| 2635 | for (let el = slot.previousElementSibling; el; el = el.previousElementSibling) { |
| 2636 | if (el.classList.contains("group-chip")) { |
| 2637 | return /** @type {HTMLElement} */ (el).dataset.session ?? ""; |
| 2638 | } |
| 2639 | } |
| 2640 | return ""; |
| 2641 | } |
| 2642 | |
| 2643 | // --- dragging a tab onto "+" ------------------------------------------------ |
| 2644 | // |
| 2645 | // Chrome's other tab gesture: drag a tab out of the strip and it becomes a |
| 2646 | // window of its own. The tmux answer is a session of its own, and "+" is where |
| 2647 | // it lands — the button that already means "another one of these", now also |
| 2648 | // meaning "another one of these, holding this". |
| 2649 | // |
| 2650 | // Both "+"s take it, because which one is on screen is a layout question: the |
| 2651 | // nested layout's session row has its own, and groups mode has a single "+" in |
| 2652 | // the tab row and no session row at all. |
| 2653 | // |
| 2654 | // The session is not prompted for. A drag is one gesture and a name field in |
| 2655 | // the middle of it would be a second one — so the window's own name becomes the |
| 2656 | // session's, deduped against what is already on the server, and the chip's menu |
| 2657 | // renames it after the fact like any other session. |
| 2658 | |
| 2659 | /** Second line of both "+" tooltips: the gesture has no affordance until a tab |
| 2660 | is already in the air, so the button is where it gets announced. */ |
| 2661 | const SPLIT_HINT = "\nDrop a window here to give it a session of its own"; |
| 2662 | |
| 2663 | /** Third line of the window "+"'s tooltip: the menu holds the kind of tab the |
| 2664 | plain click is not (see `NEW_TAB_ACTIONS`) and, in groups mode, is the only |
| 2665 | place a session gets made — and a held button announces itself nowhere |
| 2666 | else. */ |
| 2667 | const HOLD_HINT = "\nHold or right-click for the other kind, or a new session"; |
| 2668 | |
| 2669 | /** |
| 2670 | * A tmux session name made out of a window name. tmux windows are named after |
| 2671 | * whatever is running in them, so this is `nvim` or `fish` far more often than |
| 2672 | * it is anything with a slash in it. |
| 2673 | * |
| 2674 | * The daemon validates the result and drops the request if it doesn't like it, |
| 2675 | * so this has to land inside the same rules ([A-Za-z0-9_-], no leading dash) or |
| 2676 | * the drag does nothing at all. |
| 2677 | * |
| 2678 | * @param {string} windowName |
| 2679 | * @param {string[]} taken names already on the server |
| 2680 | * @returns {string} |
| 2681 | */ |
| 2682 | function sessionNameFor(windowName, taken) { |
| 2683 | const base = |
| 2684 | windowName |
| 2685 | .replace(/[^A-Za-z0-9_-]+/g, "-") |
| 2686 | .replace(/^-+|-+$/g, "") |
| 2687 | .slice(0, 60) || "session"; |
| 2688 | if (!taken.includes(base)) return base; |
| 2689 | // The window name is the whole of what the user has to go on, so it stays and |
| 2690 | // takes a suffix rather than being replaced by something generated. |
| 2691 | for (let n = 2; n < 100; n++) { |
| 2692 | if (!taken.includes(`${base}-${n}`)) return `${base}-${n}`; |
| 2693 | } |
| 2694 | return `${base}-${taken.length}`; |
| 2695 | } |
| 2696 | |
| 2697 | /** |
| 2698 | * The window a dragged slot stands for, looked up in the last status frame — |
| 2699 | * the slot itself carries an id and a session but not a name, and the name is |
| 2700 | * what the new session is called. |
| 2701 | * |
| 2702 | * @param {string} id tmux window id |
| 2703 | * @returns {{ window: TbWindowInfo, session: TbSessionInfo } | null} |
| 2704 | */ |
| 2705 | function windowById(id) { |
| 2706 | for (const session of lastSessions) { |
| 2707 | const window = session.windows.find((w) => w.id === id); |
| 2708 | if (window) return { window, session }; |
| 2709 | } |
| 2710 | return null; |
| 2711 | } |
| 2712 | |
| 2713 | /** |
| 2714 | * Whether this drag can become a session, and what it would be called. |
| 2715 | * |
| 2716 | * The only thing asked of the drag is that it is a window tab: a session tab is |
| 2717 | * already a session, and a window's own last window is *not* refused — tmux |
| 2718 | * destroys the session it leaves behind, which is the same session arriving |
| 2719 | * under a new name, and refusing it would mean a "+" that lights up for some |
| 2720 | * tabs and not others with nothing on screen saying which. |
| 2721 | * |
| 2722 | * The name comes from the last status frame where it can, and from the tab's |
| 2723 | * own label where it cannot: the frame is a lookup that can miss (a window |
| 2724 | * created during the drag, a frame not in yet), and a drag that dies because of |
| 2725 | * one would look exactly like a feature that does not work. |
| 2726 | * |
| 2727 | * @returns {{ window: string, name: string } | null} |
| 2728 | */ |
| 2729 | function pendingSessionSplit() { |
| 2730 | if (!dragging || dragging.parentElement !== $("tabs")) return null; |
| 2731 | const id = windowIdOf(dragging); |
| 2732 | if (!id) return null; |
| 2733 | const label = dragging.querySelector(".name")?.textContent ?? ""; |
| 2734 | return { |
| 2735 | window: id, |
| 2736 | name: sessionNameFor( |
| 2737 | windowById(id)?.window.name || label, |
| 2738 | lastSessions.map((s) => s.name), |
| 2739 | ), |
| 2740 | }; |
| 2741 | } |
| 2742 | |
| 2743 | /** |
| 2744 | * Wire a "+" as a drop target for window tabs. |
| 2745 | * |
| 2746 | * `dragenter` is cancelled as well as `dragover`: cancelling the latter is what |
| 2747 | * makes the drop legal, and cancelling the former is what stops the browser |
| 2748 | * deciding on the way in that this element is not a target at all. Stopping the |
| 2749 | * events keeps the strip's own reorder from sliding the tab around while the |
| 2750 | * pointer is parked on a button it is going to leave the row through. |
| 2751 | * |
| 2752 | * @param {HTMLElement} button |
| 2753 | */ |
| 2754 | function splitZone(button) { |
| 2755 | const over = (/** @type {Event} */ e) => { |
| 2756 | if (!pendingSessionSplit()) return; |
| 2757 | e.preventDefault(); |
| 2758 | e.stopPropagation(); |
| 2759 | button.classList.add("drop"); |
| 2760 | }; |
| 2761 | button.addEventListener("dragenter", over); |
| 2762 | button.addEventListener("dragover", over); |
| 2763 | // The pointer crossing onto the "+"'s own <svg> is a dragleave on the button, |
| 2764 | // and the dragover that follows immediately puts the class back. Clearing it |
| 2765 | // on dragend as well is what covers the drag that ends somewhere else |
| 2766 | // entirely, which fires no dragleave here at all. |
| 2767 | button.addEventListener("dragleave", () => button.classList.remove("drop")); |
| 2768 | document.addEventListener("dragend", () => button.classList.remove("drop")); |
| 2769 | button.addEventListener("drop", (e) => { |
| 2770 | button.classList.remove("drop"); |
| 2771 | const split = pendingSessionSplit(); |
| 2772 | if (!split) return; |
| 2773 | e.preventDefault(); |
| 2774 | e.stopPropagation(); |
| 2775 | tmuxCommand({ cmd: "new-session-with-window", ...split }); |
| 2776 | // The one gesture here whose result arrives a frame later and somewhere |
| 2777 | // else in the row: the log is what separates "the drop did nothing" from |
| 2778 | // "the daemon refused it". |
| 2779 | log(`new session ${split.name} from window ${split.window}`); |
| 2780 | term.focus(); |
| 2781 | }); |
| 2782 | } |
| 2783 | |
| 2784 | splitZone($("session-new")); |
| 2785 | splitZone($("tab-new")); |
| 2786 | |
| 2787 | /** @param {Element | null} slot @returns {string} the slot's window id, or "" */ |
| 2788 | function windowIdOf(slot) { |
| 2789 | const tab = slot?.querySelector(".tab"); |
| 2790 | return (tab && /** @type {HTMLElement} */ (tab).dataset.window) || ""; |
| 2791 | } |
| 2792 | |
| 2793 | /** @param {Element | null} slot @returns {string} the session it belongs to */ |
| 2794 | function sessionOf(slot) { |
| 2795 | const tab = slot?.querySelector(".tab"); |
| 2796 | return (tab && /** @type {HTMLElement} */ (tab).dataset.session) || ""; |
| 2797 | } |
| 2798 | |
| 2799 | // --- tab groups ------------------------------------------------------------- |
| 2800 | // |
| 2801 | // Groups mode's single row. It renders into the same `#tabs` strip the nested |
| 2802 | // layout uses — the same scroll behaviour, the same drop zone, the same tab |
| 2803 | // silhouettes — but the strip now holds every window on the server, each |
| 2804 | // session's run of them introduced by a chip. |
| 2805 | // |
| 2806 | // The chip is the session, and it is the only thing in this row that is not a |
| 2807 | // window: it carries the name, the count, a colour that is the same colour |
| 2808 | // every time you see that session, and the fold. Folding is this panel's own — |
| 2809 | // tmux has no notion of a hidden session, and nothing about a folded group is |
| 2810 | // sent anywhere. |
| 2811 | |
| 2812 | /** |
| 2813 | * Chrome's tab groups get a colour from a fixed short list rather than from |
| 2814 | * anywhere in the tab, and so do these: a hue picked out of the name means a |
| 2815 | * session is the same colour in every panel and after every restart, with no |
| 2816 | * state to store and nothing to assign by hand. |
| 2817 | * |
| 2818 | * Eight hues, spaced to stay apart at chip size and chosen to skip the |
| 2819 | * yellow-green band, which goes muddy against both themes' strip colours. |
| 2820 | */ |
| 2821 | const GROUP_HUES = [ |
| 2822 | { hue: 210, name: "Blue" }, |
| 2823 | { hue: 190, name: "Cyan" }, |
| 2824 | { hue: 145, name: "Green" }, |
| 2825 | { hue: 45, name: "Yellow" }, |
| 2826 | { hue: 25, name: "Orange" }, |
| 2827 | { hue: 0, name: "Red" }, |
| 2828 | { hue: 330, name: "Pink" }, |
| 2829 | { hue: 275, name: "Purple" }, |
| 2830 | ]; |
| 2831 | |
| 2832 | /** |
| 2833 | * Grey, which is not a hue and so cannot be one of the numbers above. It is the |
| 2834 | * home session's default and a colour you can pick outright, the way Chrome |
| 2835 | * offers grey alongside its eight. |
| 2836 | */ |
| 2837 | const GROUP_GREY = -1; |
| 2838 | |
| 2839 | /** |
| 2840 | * The colour a session has been given, if any — read off the session itself. |
| 2841 | * |
| 2842 | * It lives in a tmux user option rather than in this panel's storage, which |
| 2843 | * buys two things storage could not. It follows the session through a rename, |
| 2844 | * because tmux hangs it on the session and not on its name. And every panel on |
| 2845 | * the server sees the same colour, instead of each browser profile keeping a |
| 2846 | * private opinion about the same session. It also dies with the session, which |
| 2847 | * is right: a colour for a session that no longer exists is nothing. |
| 2848 | * |
| 2849 | * The value arrives as a string over a socket, so it is a claim rather than a |
| 2850 | * number until this says otherwise. |
| 2851 | * |
| 2852 | * @param {string} name |
| 2853 | * @returns {number | null} |
| 2854 | */ |
| 2855 | function chosenColor(name) { |
| 2856 | const raw = lastSessions.find((s) => s.name === name)?.color; |
| 2857 | if (typeof raw !== "string" || raw === "") return null; |
| 2858 | const n = Number(raw); |
| 2859 | if (!Number.isInteger(n)) return null; |
| 2860 | return n === GROUP_GREY || (n >= 0 && n < 360) ? n : null; |
| 2861 | } |
| 2862 | |
| 2863 | /** |
| 2864 | * What colour a group is drawn in: the one it was given, else grey for the home |
| 2865 | * session, else a hue hashed from the name. |
| 2866 | * |
| 2867 | * The hash is what makes the automatic case worth having — a session is the |
| 2868 | * same colour in every panel and after every restart, with nothing stored and |
| 2869 | * nothing to assign by hand. Choosing one is for when the hash puts two |
| 2870 | * sessions you use together on hues you cannot tell apart, which is the one |
| 2871 | * thing hashing cannot fix by itself. |
| 2872 | * |
| 2873 | * @param {string} name |
| 2874 | * @returns {number} degrees on the colour wheel, or GROUP_GREY |
| 2875 | */ |
| 2876 | function groupColor(name) { |
| 2877 | const chosen = chosenColor(name); |
| 2878 | if (chosen !== null) return chosen; |
| 2879 | if (name === defaultSession) return GROUP_GREY; |
| 2880 | let h = 0; |
| 2881 | for (let i = 0; i < name.length; i++) h = (Math.imul(h, 31) + name.charCodeAt(i)) >>> 0; |
| 2882 | return GROUP_HUES[h % GROUP_HUES.length].hue; |
| 2883 | } |
| 2884 | |
| 2885 | /** |
| 2886 | * Hand the colour to tmux and let the next status frame bring it back. No |
| 2887 | * optimistic repaint: the server is the only copy, and drawing what we hope it |
| 2888 | * will say invents a second one for the second it takes to answer. |
| 2889 | * |
| 2890 | * By id, not by name — a rename between the click and the command would |
| 2891 | * otherwise paint whichever session inherited the name. |
| 2892 | * |
| 2893 | * @param {string} name |
| 2894 | * @param {number | null} hue null clears it, back to automatic |
| 2895 | */ |
| 2896 | function setGroupColor(name, hue) { |
| 2897 | const id = lastSessions.find((s) => s.name === name)?.id; |
| 2898 | if (!id) return; |
| 2899 | tmuxCommand({ |
| 2900 | cmd: "set-session-color", |
| 2901 | session: id, |
| 2902 | ...(hue === null ? {} : { color: String(hue) }), |
| 2903 | }); |
| 2904 | } |
| 2905 | |
| 2906 | /** |
| 2907 | * What a session may be renamed to. The same shape the daemon accepts, which is |
| 2908 | * the same shape the sidebar's session field has always accepted — tmux forbids |
| 2909 | * `.` and `:`, and the name is quoted into a command line to a live server, so |
| 2910 | * everything outside this is refused here rather than sent to be refused there. |
| 2911 | * |
| 2912 | * Checking it in the panel as well as in the daemon is not belt-and-braces: it |
| 2913 | * is what lets the field say *now* that a name will not do, instead of the |
| 2914 | * request vanishing silently. |
| 2915 | */ |
| 2916 | const SESSION_NAME_RE = /^[A-Za-z0-9_-]{1,64}$/; |
| 2917 | |
| 2918 | /** @param {string} name */ |
| 2919 | function validSessionName(name) { |
| 2920 | const s = name.trim(); |
| 2921 | return SESSION_NAME_RE.test(s) && !s.startsWith("-"); |
| 2922 | } |
| 2923 | |
| 2924 | /** |
| 2925 | * Rename a session, and bring this panel's own name-keyed state along. |
| 2926 | * |
| 2927 | * The colour needs no help — it lives on the session in tmux, so it follows the |
| 2928 | * rename by itself. Pins and the folded flag do not: they are panel |
| 2929 | * preferences, stored against the name because that is what the frames and the |
| 2930 | * storage have in common. Left alone, a rename would silently unfold a group |
| 2931 | * and unpin its tabs, which reads as the panel forgetting rather than as a |
| 2932 | * rename. |
| 2933 | * |
| 2934 | * The rename itself is sent by id — a second panel renaming the same session |
| 2935 | * between this menu opening and the click would otherwise redirect ours onto |
| 2936 | * whatever inherited the name. Nothing is repainted optimistically: tmux is the |
| 2937 | * only copy of the name, and the next status frame brings it back. |
| 2938 | * |
| 2939 | * @param {string} from the current name |
| 2940 | * @param {string} to |
| 2941 | */ |
| 2942 | function renameSession(from, to) { |
| 2943 | const next = to.trim(); |
| 2944 | const id = lastSessions.find((s) => s.name === from)?.id; |
| 2945 | if (!id || next === from || !validSessionName(next)) return; |
| 2946 | |
| 2947 | if (pins[from]) { |
| 2948 | pins[next] = pins[from]; |
| 2949 | delete pins[from]; |
| 2950 | storage.set({ pins }); |
| 2951 | } |
| 2952 | if (foldedGroups.has(from)) { |
| 2953 | foldedGroups.delete(from); |
| 2954 | foldedGroups.add(next); |
| 2955 | storage.set({ foldedGroups: [...foldedGroups] }); |
| 2956 | } |
| 2957 | |
| 2958 | tmuxCommand({ cmd: "rename-session", session: id, name: next }); |
| 2959 | log(`renamed ${from} to ${next}`); |
| 2960 | } |
| 2961 | |
| 2962 | /** |
| 2963 | * Session names whose windows are folded away behind their chip. A panel |
| 2964 | * preference, saved as a list because a Set does not survive storage. |
| 2965 | * @type {Set<string>} |
| 2966 | */ |
| 2967 | let foldedGroups = new Set(); |
| 2968 | |
| 2969 | /** @param {string} name */ |
| 2970 | function toggleGroup(name) { |
| 2971 | if (foldedGroups.has(name)) foldedGroups.delete(name); |
| 2972 | else foldedGroups.add(name); |
| 2973 | storage.set({ foldedGroups: [...foldedGroups] }); |
| 2974 | repaintTabs(); |
| 2975 | } |
| 2976 | |
| 2977 | /** |
| 2978 | * @param {TbSessionInfo[]} unordered as the daemon sent them |
| 2979 | * @param {string | null | undefined} current the session this panel is on |
| 2980 | * @param {TbAgent[]} agents server-wide |
| 2981 | */ |
| 2982 | function renderGroups(unordered, current, agents) { |
| 2983 | const sessions = orderSessions(unordered); |
| 2984 | const strip = $("tabs"); |
| 2985 | // A repaint mid-drag would tear the tab out from under the pointer; the move |
| 2986 | // it commits to brings a fresh frame of its own a moment later. |
| 2987 | if (dragging && !strip.hidden) return; |
| 2988 | const show = connected && tmuxMode && sessions.length > 0; |
| 2989 | $("tab-new").hidden = !(connected && tmuxMode && sessionName); |
| 2990 | // The one "+" left in this row, so it says which of the two things it is — |
| 2991 | // the ambiguity was the whole complaint about having a second one beside it. |
| 2992 | // It names the session it actually adds to, which is not always the one you |
| 2993 | // are on and not always the home session either. |
| 2994 | $("tab-new").title = newTabTitle(newWindowTarget() ?? defaultSession); |
| 2995 | strip.hidden = !show; |
| 2996 | // A chip carries the session name, so the status text has nothing left to |
| 2997 | // say — the same trade the session row makes in the nested layout. |
| 2998 | document.body.classList.toggle("has-session", show); |
| 2999 | document.body.classList.toggle("has-windows", show); |
| 3000 | if (!show) { |
| 3001 | strip.textContent = ""; |
| 3002 | strip.dataset.sig = ""; |
| 3003 | hideSessionInput(); |
| 3004 | syncSpinner(); |
| 3005 | return; |
| 3006 | } |
| 3007 | |
| 3008 | const claude = agentByWindow(agents); |
| 3009 | const loudest = agentBySession(agents); |
| 3010 | |
| 3011 | /** @type {{ session: TbSessionInfo, folded: boolean, windows: TbWindowInfo[], pinned: Set<string> }[]} */ |
| 3012 | const groups = sessions.map((s) => { |
| 3013 | const { ordered, pinned } = orderWindows(s.name, s.windows); |
| 3014 | return { session: s, folded: foldedGroups.has(s.name), windows: ordered, pinned }; |
| 3015 | }); |
| 3016 | |
| 3017 | // One session, the home one, never given a colour of its own: there is no |
| 3018 | // grouping for a chip to express, so it is left off and the row reads as a |
| 3019 | // plain strip of tabs. Chrome does the same with ungrouped tabs. Anything |
| 3020 | // that makes the grouping real — a second session, a rename, a colour picked |
| 3021 | // for this one — brings the chip back, and with it the fold, so folding is |
| 3022 | // ignored while it is gone. |
| 3023 | const bare = |
| 3024 | groups.length === 1 && groups[0].session.name === defaultSession && groupColor(defaultSession) === GROUP_GREY; |
| 3025 | if (bare) groups[0].folded = false; |
| 3026 | |
| 3027 | const sig = JSON.stringify( |
| 3028 | groups.map((g) => [ |
| 3029 | bare, |
| 3030 | g.session.name, |
| 3031 | g.session.name === current, |
| 3032 | g.session.attached, |
| 3033 | g.folded, |
| 3034 | // The colour lives on the server now, so it can change without anything |
| 3035 | // else in this frame moving — a second panel picked one. |
| 3036 | groupColor(g.session.name), |
| 3037 | // A folded group shows no tabs, but it still shows a count and the |
| 3038 | // loudest thing Claude is doing behind it, so both belong in the |
| 3039 | // signature whether or not the windows do. |
| 3040 | g.session.windows.length, |
| 3041 | loudest[g.session.name]?.state, |
| 3042 | agentLabel(loudest[g.session.name]), |
| 3043 | g.folded |
| 3044 | ? null |
| 3045 | : g.windows.map((w) => { |
| 3046 | const a = claude[w.id]; |
| 3047 | return [w.id, w.index, w.name, w.active, w.activity, a?.state, agentLabel(a), g.pinned.has(w.id)]; |
| 3048 | }), |
| 3049 | ]), |
| 3050 | ); |
| 3051 | if (strip.dataset.sig !== sig) { |
| 3052 | strip.dataset.sig = sig; |
| 3053 | strip.textContent = ""; |
| 3054 | for (const g of groups) { |
| 3055 | const name = g.session.name; |
| 3056 | if (!bare) strip.appendChild(groupChip(g.session, name === current, g.folded, loudest[name])); |
| 3057 | if (g.folded) continue; |
| 3058 | // Per group *and* per row: closing a group's last window closes the |
| 3059 | // group, which is what closing a group's last tab does in a browser too. |
| 3060 | // Only the very last window on the server is withheld. |
| 3061 | const closable = windowClosable(g.windows.length, groups.length); |
| 3062 | for (const w of g.windows) { |
| 3063 | strip.appendChild( |
| 3064 | windowTab(w, { |
| 3065 | claude: claude[w.id], |
| 3066 | closable, |
| 3067 | pinned: g.pinned.has(w.id), |
| 3068 | lastInSession: g.windows.length === 1, |
| 3069 | owner: name, |
| 3070 | current: w.active && name === current, |
| 3071 | }), |
| 3072 | ); |
| 3073 | } |
| 3074 | } |
| 3075 | } |
| 3076 | |
| 3077 | syncSpinner(); |
| 3078 | |
| 3079 | // The omnibar says where the client is, and the client moves — a switch made |
| 3080 | // from a tab, from the omnibar, or from the terminal itself all land here. |
| 3081 | syncOmniHere(); |
| 3082 | refreshSessionInfo(); |
| 3083 | // The list is drawn from the same frame the tabs are, so a window that just |
| 3084 | // closed has to leave it too — and a Claude that just started waiting has to |
| 3085 | // light up in it. Only while it is open: this arrives once a second. |
| 3086 | if (!$("omni-list").hidden) refreshOmni(); |
| 3087 | |
| 3088 | const active = strip.querySelector('[aria-selected="true"]'); |
| 3089 | // The row is as long as the whole server now, so the window you are on is |
| 3090 | // further off screen than it ever was in the nested layout. |
| 3091 | if (active) active.scrollIntoView({ block: "nearest", inline: "nearest" }); |
| 3092 | } |
| 3093 | |
| 3094 | /** |
| 3095 | * @param {TbSessionInfo} s |
| 3096 | * @param {boolean} isCurrent this panel's client is in this group |
| 3097 | * @param {boolean} folded |
| 3098 | * @param {TbAgent} [claude] the loudest agent anywhere in the session |
| 3099 | */ |
| 3100 | function groupChip(s, isCurrent, folded, claude) { |
| 3101 | // Grey by default for the home session — it is where windows go when nothing |
| 3102 | // said otherwise, so a hue would make it look like one more named group |
| 3103 | // rather than the plain one. Chrome's ungrouped tabs are the same idea with |
| 3104 | // the chip left off entirely; keeping the chip is what buys the fold. Picking |
| 3105 | // a colour for it overrides that, because an explicit choice outranks a |
| 3106 | // default about the same thing. |
| 3107 | const colour = groupColor(s.name); |
| 3108 | const state = claude?.state ?? "none"; |
| 3109 | const linked = tabPinMark({ session: s.name, window: null }); |
| 3110 | const chip = button( |
| 3111 | { |
| 3112 | class: |
| 3113 | `group-chip${isCurrent ? " current" : ""}${folded ? " folded" : ""}` + |
| 3114 | `${s.attached && !isCurrent ? " attached" : ""}${colour === GROUP_GREY ? " grey" : ""}` + |
| 3115 | `${linked ? " tab-linked" : ""}`, |
| 3116 | css: { "--group-h": String(colour) }, |
| 3117 | data: { session: s.name }, |
| 3118 | attrs: { "aria-expanded": !folded }, |
| 3119 | title: tip( |
| 3120 | `session ${s.name}`, |
| 3121 | `${s.windows.length} window${s.windows.length === 1 ? "" : "s"}`, |
| 3122 | isCurrent ? "you are here" : s.attached && "attached elsewhere", |
| 3123 | claude && `claude ${claude.state} — ${agentLabel(claude)}`, |
| 3124 | folded ? "folded — click to unfold" : "click to fold", |
| 3125 | linked && PIN_SOURCE_NOTE[linked], |
| 3126 | "right-click to rename or recolour", |
| 3127 | ), |
| 3128 | on: { |
| 3129 | click: () => { |
| 3130 | toggleGroup(s.name); |
| 3131 | term.focus(); |
| 3132 | }, |
| 3133 | /** @param {MouseEvent} e */ |
| 3134 | contextmenu: (e) => { |
| 3135 | e.preventDefault(); |
| 3136 | openGroupMenu(e, s, isCurrent, folded); |
| 3137 | }, |
| 3138 | }, |
| 3139 | }, |
| 3140 | // Unlike Chrome, the group you are in folds too. Chrome forbids it because |
| 3141 | // folding away the active tab would leave you with no way back to it; here |
| 3142 | // the terminal underneath is still the window you are on, and the chip stays |
| 3143 | // marked as current, so there is nothing to lose track of. |
| 3144 | el("span", { class: "caret", attrs: { "aria-hidden": "true" } }), |
| 3145 | el("span", { class: "name", text: s.name }), |
| 3146 | // Folded, the count is the only thing saying how much is behind the chip, so |
| 3147 | // it is worth the room. Unfolded it is redundant with the tabs themselves. |
| 3148 | folded && |
| 3149 | s.windows.length > 0 && |
| 3150 | el("span", { class: "count", text: String(s.windows.length) }), |
| 3151 | // A folded group's windows have no tabs to wear their status, so the chip |
| 3152 | // wears the loudest of them — the same job the session tab does in the |
| 3153 | // nested layout, and the reason the daemon reports every session's agents. |
| 3154 | folded && state !== "none" && glyphSpan(state), |
| 3155 | ); |
| 3156 | |
| 3157 | // Dropping a tab on a chip moves that window into the session — the only way |
| 3158 | // to express the move when the group is folded and has no visible window to |
| 3159 | // land beside. Stopping the event keeps the strip's own dragover from |
| 3160 | // sliding the tab into a position it is not going to end up in. |
| 3161 | chip.addEventListener("dragover", (e) => { |
| 3162 | if (!dragging || dragging.parentElement !== $("tabs")) return; |
| 3163 | e.preventDefault(); |
| 3164 | e.stopPropagation(); |
| 3165 | chip.classList.add("drop"); |
| 3166 | }); |
| 3167 | chip.addEventListener("dragleave", () => chip.classList.remove("drop")); |
| 3168 | chip.addEventListener("drop", (e) => { |
| 3169 | chip.classList.remove("drop"); |
| 3170 | if (!dragging) return; |
| 3171 | e.preventDefault(); |
| 3172 | e.stopPropagation(); |
| 3173 | const moved = windowIdOf(dragging); |
| 3174 | if (moved && sessionOf(dragging) !== s.name) { |
| 3175 | tmuxCommand({ cmd: "move-window-to-session", window: moved, session: s.name }); |
| 3176 | } |
| 3177 | term.focus(); |
| 3178 | }); |
| 3179 | |
| 3180 | return chip; |
| 3181 | } |
| 3182 | |
| 3183 | /** |
| 3184 | * The palette, as a row of swatches. Grey leads it, then the eight hues in |
| 3185 | * wheel order so the row reads as a spectrum rather than as a list of names. |
| 3186 | * |
| 3187 | * The swatch showing now is ringed whichever way it got there — chosen or |
| 3188 | * hashed — so the row always says what the group looks like. Clicking the one |
| 3189 | * already showing clears the choice back to automatic, which is how you undo a |
| 3190 | * colour without a tenth control for it. |
| 3191 | * |
| 3192 | * @param {string} name the session |
| 3193 | */ |
| 3194 | function colourRow(name) { |
| 3195 | const live = groupColor(name); |
| 3196 | const chosen = chosenColor(name); |
| 3197 | |
| 3198 | /** @param {number} hue @param {string} label */ |
| 3199 | const swatch = (hue, label) => { |
| 3200 | const title = chosen !== null && hue === live ? `${label} — click for automatic` : label; |
| 3201 | return button({ |
| 3202 | class: `swatch${hue === GROUP_GREY ? " grey" : ""}${hue === live ? " on" : ""}`, |
| 3203 | css: { "--group-h": String(hue) }, |
| 3204 | title, |
| 3205 | attrs: { "aria-label": title, "aria-pressed": hue === live }, |
| 3206 | on: { |
| 3207 | click: () => { |
| 3208 | closeTabMenu(); |
| 3209 | setGroupColor(name, hue === live && chosen !== null ? null : hue); |
| 3210 | }, |
| 3211 | }, |
| 3212 | }); |
| 3213 | }; |
| 3214 | |
| 3215 | return el( |
| 3216 | "div", |
| 3217 | { class: "colours" }, |
| 3218 | swatch(GROUP_GREY, "Grey"), |
| 3219 | ...GROUP_HUES.map((c) => swatch(c.hue, c.name)), |
| 3220 | ); |
| 3221 | } |
| 3222 | |
| 3223 | /** |
| 3224 | * The name, as a field at the top of the group's menu — the same place and the |
| 3225 | * same gesture a browser gives a tab group's name, because it is the same |
| 3226 | * thing being named. |
| 3227 | * |
| 3228 | * A field rather than a "Rename" item that opens something: an item would have |
| 3229 | * to open a prompt, and a modal in this panel blocks the socket's message |
| 3230 | * handler for as long as it is up, so the terminal underneath would stop |
| 3231 | * moving while the box was open. Editing in place costs nothing and the panel |
| 3232 | * keeps running behind it. |
| 3233 | * |
| 3234 | * Enter commits, Escape leaves the name alone, and blur commits too — a click |
| 3235 | * on anything else in the menu is a click on a menu whose field you had already |
| 3236 | * finished with. An empty or malformed name commits nothing and says so. |
| 3237 | * |
| 3238 | * @param {TbSessionInfo} s |
| 3239 | */ |
| 3240 | function renameRow(s) { |
| 3241 | const row = el("div", { class: "rename" }); |
| 3242 | |
| 3243 | const input = el("input", { |
| 3244 | title: "Session name — letters, digits, - and _", |
| 3245 | attrs: { |
| 3246 | type: "text", |
| 3247 | maxlength: 64, |
| 3248 | spellcheck: "false", |
| 3249 | "aria-label": `Rename session ${s.name}`, |
| 3250 | }, |
| 3251 | }); |
| 3252 | // Not an attribute: what the field holds is state, and the attribute only ever |
| 3253 | // sets what it *started* with. |
| 3254 | input.value = s.name; |
| 3255 | |
| 3256 | // Live rather than only on Enter: the field is small and the rule is not |
| 3257 | // guessable, so the moment a character breaks it is the moment to say so. |
| 3258 | const check = () => { |
| 3259 | const v = input.value.trim(); |
| 3260 | row.classList.toggle("bad", v !== "" && v !== s.name && !validSessionName(v)); |
| 3261 | }; |
| 3262 | input.addEventListener("input", check); |
| 3263 | |
| 3264 | /** @param {boolean} commit */ |
| 3265 | const finish = (commit) => { |
| 3266 | // Whichever way it ends, it ends once: the blur that Enter causes, and the |
| 3267 | // menu closing behind it, would otherwise each commit the same name again. |
| 3268 | input.removeEventListener("blur", onBlur); |
| 3269 | pendingRename = null; |
| 3270 | if (commit) renameSession(s.name, input.value); |
| 3271 | }; |
| 3272 | const onBlur = () => finish(true); |
| 3273 | input.addEventListener("blur", onBlur); |
| 3274 | // Dismissing the menu removes the field, and a removed element gets no blur |
| 3275 | // event — so the close path commits it instead. Typing a name and clicking |
| 3276 | // away should rename, not throw the typing out. |
| 3277 | pendingRename = () => finish(true); |
| 3278 | |
| 3279 | input.addEventListener("keydown", (ev) => { |
| 3280 | if (ev.key === "Enter") { |
| 3281 | ev.preventDefault(); |
| 3282 | finish(true); |
| 3283 | closeTabMenu(); |
| 3284 | term.focus(); |
| 3285 | } else if (ev.key === "Escape") { |
| 3286 | ev.preventDefault(); |
| 3287 | finish(false); |
| 3288 | closeTabMenu(); |
| 3289 | term.focus(); |
| 3290 | } |
| 3291 | // Everything else stays in the box. Without this the panel's own shortcuts |
| 3292 | // would read the typing as commands aimed at the terminal. |
| 3293 | ev.stopPropagation(); |
| 3294 | }); |
| 3295 | |
| 3296 | row.appendChild(input); |
| 3297 | return row; |
| 3298 | } |
| 3299 | |
| 3300 | /** |
| 3301 | * @param {MouseEvent} e |
| 3302 | * @param {TbSessionInfo} s |
| 3303 | * @param {boolean} isCurrent |
| 3304 | * @param {boolean} folded |
| 3305 | */ |
| 3306 | function openGroupMenu(e, s, isCurrent, folded) { |
| 3307 | closeTabMenu(); |
| 3308 | const menu = el("div", { class: "tab-menu", attrs: { role: "menu" } }); |
| 3309 | /** @param {string} label @param {() => void} run */ |
| 3310 | const item = (label, run) => menuItem(menu, label, run); |
| 3311 | |
| 3312 | // Name then colours across the top, then the actions — a browser's tab group |
| 3313 | // menu in the same order, and for the same reason: these two are what the |
| 3314 | // group *is*, and the rest is what to do with it. |
| 3315 | const rename = renameRow(s); |
| 3316 | menu.appendChild(rename); |
| 3317 | menu.appendChild(colourRow(s.name)); |
| 3318 | |
| 3319 | item(folded ? "Unfold" : "Fold", () => toggleGroup(s.name)); |
| 3320 | |
| 3321 | if (!isCurrent) { |
| 3322 | item("Switch to this session", () => { |
| 3323 | tmuxCommand({ cmd: "switch", session: s.name }); |
| 3324 | term.focus(); |
| 3325 | }); |
| 3326 | } |
| 3327 | |
| 3328 | // The row's "+" opens a window in the home session; this is how any other |
| 3329 | // group gets one without going there first. |
| 3330 | item("New window here", () => { |
| 3331 | newWindowIn(s.name); |
| 3332 | term.focus(); |
| 3333 | }); |
| 3334 | |
| 3335 | item("New Claude here", () => { |
| 3336 | newClaudeIn(s.name); |
| 3337 | term.focus(); |
| 3338 | }); |
| 3339 | |
| 3340 | pinMenuItems(menu, { session: s.name, window: null }); |
| 3341 | |
| 3342 | item(folded ? "Fold the others" : "Fold everything else", () => { |
| 3343 | foldedGroups = new Set(lastSessions.map((x) => x.name).filter((n) => n !== s.name)); |
| 3344 | storage.set({ foldedGroups: [...foldedGroups] }); |
| 3345 | repaintTabs(); |
| 3346 | }); |
| 3347 | |
| 3348 | document.body.appendChild(menu); |
| 3349 | placeMenu(menu, e); |
| 3350 | // Selected rather than merely focused: the common rename replaces the name |
| 3351 | // outright, and the uncommon one is an arrow key away. |
| 3352 | const field = rename.querySelector("input"); |
| 3353 | if (field instanceof HTMLInputElement) field.select(); |
| 3354 | } |
| 3355 | |
| 3356 | // --- the omnibar ------------------------------------------------------------ |
| 3357 | // |
| 3358 | // Groups mode's second row, and the same bargain a browser's address bar makes: |
| 3359 | // one box that searches what you already have and, failing that, offers to |
| 3360 | // create the thing you typed. Here that is every window, every session and |
| 3361 | // every pane running Claude on the tmux server — the same status frame the tabs |
| 3362 | // are drawn from, so there is nothing extra to fetch and nothing that can be |
| 3363 | // out of date with respect to the row above it. |
| 3364 | // |
| 3365 | // It exists because the flat row scrolls: with every window on the server in |
| 3366 | // one strip, past a handful of sessions the one you want is off the end of it, |
| 3367 | // and folding groups to find it defeats the point of having them all there. |
| 3368 | // |
| 3369 | // Everything it lists is a tmux name — a user or a shell script named it, and |
| 3370 | // both can put anything in a name — so every one of them reaches the DOM |
| 3371 | // through textContent, and the only thing sent back is an id tmux issued. |
| 3372 | |
| 3373 | /** |
| 3374 | * One row of the dropdown. |
| 3375 | * @typedef {object} TbOmniItem |
| 3376 | * @property {"window" | "session" | "pane" | "tab" | "ssh" | "create" | "claude" |
| 3377 | * | "run" | "action" | "project" | "path"} kind |
| 3378 | * @property {string} label the name, matched against and shown first |
| 3379 | * @property {string} meta where it is — dimmed, after the label |
| 3380 | * @property {string} [mark] a character in front of the label, for the kinds |
| 3381 | * whose rows are not all alike — one action is not the next one |
| 3382 | * @property {TbAgentState} [state] an agent state, for the glyph |
| 3383 | * @property {number} score lower sorts first |
| 3384 | * @property {() => void} [run] absent on a hint, which is a row you cannot run |
| 3385 | * @property {boolean} [hint] the row is telling you something, not offering it |
| 3386 | * @property {boolean} [complete] running it fills the box in rather than going |
| 3387 | * anywhere, so the list stays up and the caret stays where it is |
| 3388 | * @property {boolean} [typed] the label is the query itself rather than a name |
| 3389 | * that was matched, so there is nothing in it to highlight |
| 3390 | */ |
| 3391 | |
| 3392 | /** @type {TbOmniItem[]} */ |
| 3393 | let omniItems = []; |
| 3394 | /** Index into `omniItems`, or -1 for "nothing chosen yet". */ |
| 3395 | let omniActive = -1; |
| 3396 | |
| 3397 | /** |
| 3398 | * Substring, case-insensitive, with a prefix bonus: `srv` finds "server" |
| 3399 | * ahead of "webserver", which is the order you meant by typing the start of a |
| 3400 | * name. Deliberately not fuzzy — a fuzzy match over a few hundred window names |
| 3401 | * puts noise at the top, and tmux names are short enough to type. |
| 3402 | * |
| 3403 | * @param {string} text |
| 3404 | * @param {string} q already lowercased and trimmed |
| 3405 | * @returns {number} lower is better, -1 for no match |
| 3406 | */ |
| 3407 | function omniScore(text, q) { |
| 3408 | if (!q) return 0; |
| 3409 | const i = text.toLowerCase().indexOf(q); |
| 3410 | if (i < 0) return -1; |
| 3411 | return i === 0 ? 0 : i + 1; |
| 3412 | } |
| 3413 | |
| 3414 | /** |
| 3415 | * `omniScore`, plus a subsequence pass for what it rejects: `bld1` finds |
| 3416 | * `build-01`, and `cmini` finds `collin@mini`. |
| 3417 | * |
| 3418 | * Only hosts are scored this way, and the divergence is deliberate. Fuzzy |
| 3419 | * matching over a few hundred window names puts noise at the top, which is why |
| 3420 | * `omniScore` is not fuzzy — but the host list is a few dozen names you wrote |
| 3421 | * down yourself, and they are the ones with dots, dashes and a `user@` in front |
| 3422 | * that make a substring search miss what you obviously meant. |
| 3423 | * |
| 3424 | * A subsequence match always sorts below every substring match, and among |
| 3425 | * themselves the tighter one wins: the span the letters were found across is |
| 3426 | * the score, so a name that has them close together beats one that spreads them |
| 3427 | * over half its length. |
| 3428 | * |
| 3429 | * @param {string} text |
| 3430 | * @param {string} q already lowercased and trimmed |
| 3431 | * @returns {number} lower is better, -1 for no match |
| 3432 | */ |
| 3433 | function fuzzyScore(text, q) { |
| 3434 | const direct = omniScore(text, q); |
| 3435 | if (direct >= 0) return direct; |
| 3436 | const s = text.toLowerCase(); |
| 3437 | let from = -1; |
| 3438 | let start = -1; |
| 3439 | for (const ch of q) { |
| 3440 | from = s.indexOf(ch, from + 1); |
| 3441 | if (from < 0) return -1; |
| 3442 | if (start < 0) start = from; |
| 3443 | } |
| 3444 | return 20 + (from - start); |
| 3445 | } |
| 3446 | |
| 3447 | /** |
| 3448 | * The daemon's `valid_ssh_host`, mirrored for the same reason the validators |
| 3449 | * below are: a row offering to connect somewhere the daemon will refuse is |
| 3450 | * worse than no row. |
| 3451 | * |
| 3452 | * `[user@]host`, and no character that ssh could read as an option — a leading |
| 3453 | * dash is the one that matters, because `-oProxyCommand=` runs a shell. Kept in |
| 3454 | * step by hand with daemon/src/ssh.rs; the daemon validates regardless. |
| 3455 | * |
| 3456 | * @param {string} host |
| 3457 | */ |
| 3458 | function validSshHost(host) { |
| 3459 | const s = host.trim(); |
| 3460 | if (!s || s.length > 128) return false; |
| 3461 | const at = s.indexOf("@"); |
| 3462 | const parts = at < 0 ? [s] : [s.slice(0, at), s.slice(at + 1)]; |
| 3463 | return parts.every((p) => p.length > 0 && !p.startsWith("-") && /^[A-Za-z0-9._-]+$/.test(p)); |
| 3464 | } |
| 3465 | |
| 3466 | /** |
| 3467 | * The daemon's `valid_session_name`, mirrored so the row that offers to create |
| 3468 | * a session only appears when the daemon would accept it — an offer that turns |
| 3469 | * into a silently ignored command is worse than no offer. |
| 3470 | * |
| 3471 | * Kept in step by hand with daemon/src/pty.rs. The daemon validates regardless; |
| 3472 | * this is about what to show, never about what is safe to send. |
| 3473 | * |
| 3474 | * @param {string} name |
| 3475 | */ |
| 3476 | function validSessionName(name) { |
| 3477 | const s = name.trim(); |
| 3478 | return s.length > 0 && s.length <= 64 && !s.startsWith("-") && /^[A-Za-z0-9_-]+$/.test(s); |
| 3479 | } |
| 3480 | |
| 3481 | /** |
| 3482 | * Ties break in this order, so a session beats a window whose name matches |
| 3483 | * equally well. The box holds a session name to begin with, so typing over it |
| 3484 | * is first of all a way to change session — that reading wins the tie, and a |
| 3485 | * window of the same name is one row below it. |
| 3486 | */ |
| 3487 | const OMNI_KIND_RANK = { |
| 3488 | session: 0, |
| 3489 | window: 1, |
| 3490 | pane: 2, |
| 3491 | tab: 3, |
| 3492 | ssh: 4, |
| 3493 | create: 5, |
| 3494 | claude: 6, |
| 3495 | run: 7, |
| 3496 | action: 8, |
| 3497 | // Both only ever appear on their own — a `~` in the box is a mode, and these |
| 3498 | // are the only rows in it — so their rank is a formality. |
| 3499 | project: 9, |
| 3500 | path: 10, |
| 3501 | }; |
| 3502 | |
| 3503 | /** |
| 3504 | * What a host row's score is pushed up by, so that anything that already exists |
| 3505 | * outranks somewhere you could connect to. |
| 3506 | * |
| 3507 | * The bottom of the ladder — panes at +50, tabs at +60, the showing tab at |
| 3508 | * +160, hosts here — because that is the one row in the list that is not a |
| 3509 | * place. Everything above it is somewhere already running that you are asking |
| 3510 | * to be taken to; a host is a connection that does not exist until the row is |
| 3511 | * pressed, and it stays plausible for far longer while a name is being typed, |
| 3512 | * since `bui` is a legal hostname all the way to `build`. Under a page you have |
| 3513 | * open, then, rather than over it. |
| 3514 | * |
| 3515 | * The row for a host that is not in the list at all is a separate offer made |
| 3516 | * further down, at `Infinity`, and is unaffected by this. |
| 3517 | */ |
| 3518 | const OMNI_SSH_PENALTY = 200; |
| 3519 | |
| 3520 | /** How many matches the list shows before it stops. */ |
| 3521 | const OMNI_LIMIT = 8; |
| 3522 | |
| 3523 | // --- the box as a tab switcher ---------------------------------------------- |
| 3524 | // |
| 3525 | // The other half of what a panel this shape is looking at: the browser window |
| 3526 | // it is attached to. Typing `localhost:8000` finds the tab serving it and Enter |
| 3527 | // shows it, which is the thing the address bar cannot be asked for from in here |
| 3528 | // — Ctrl+L belongs to the terminal, and no extension API can focus the real one. |
| 3529 | // |
| 3530 | // Nothing here needs a permission that is not already granted: `tabs` is in |
| 3531 | // both manifests for the pins, and a tab's title and URL come with it. |
| 3532 | |
| 3533 | /** |
| 3534 | * What a tab row's score is pushed up by, so that everything on the tmux server |
| 3535 | * outranks a page in the browser. |
| 3536 | * |
| 3537 | * Below the panes (+50) and above the hosts (+200), and it costs the tab rows |
| 3538 | * nothing they wanted: an address matches no session, window or host name, so |
| 3539 | * the query that is looking for a tab finds only tabs anyway. The penalty |
| 3540 | * decides the other case — a word that means both, a tab titled `build` while a |
| 3541 | * window is called `build` — and there the window is what the box is for. |
| 3542 | */ |
| 3543 | const OMNI_TAB_PENALTY = 60; |
| 3544 | |
| 3545 | /** |
| 3546 | * The window's tabs, as of the last time the box asked. |
| 3547 | * |
| 3548 | * Kept rather than queried per keystroke, because `omniSuggestions` is |
| 3549 | * synchronous and `api.tabs.query` is not. |
| 3550 | * |
| 3551 | * @type {TbTab[]} |
| 3552 | */ |
| 3553 | let lastTabs = []; |
| 3554 | |
| 3555 | /** |
| 3556 | * Re-read the window's tabs, and repaint the list if it is up. |
| 3557 | * |
| 3558 | * Asked for when the box takes focus, and on every tab event while the list is |
| 3559 | * showing — which is what keeps a row from offering a tab that closed under it. |
| 3560 | * Not asked for otherwise: with the list down there is nothing to be stale. |
| 3561 | * |
| 3562 | * `panelWindowId` is the window the panel belongs to, and it is the answer |
| 3563 | * everywhere else in this file — but it arrives from a `windows.getCurrent()` |
| 3564 | * that resolves some time after load, and a box focused before then would get |
| 3565 | * no rows and no second chance. `currentWindow` is the same window asked for a |
| 3566 | * different way, and it is available immediately, so it stands in until the id |
| 3567 | * is known rather than the question going unasked. |
| 3568 | */ |
| 3569 | function syncOmniTabs() { |
| 3570 | api.tabs |
| 3571 | .query(panelWindowId == null ? { currentWindow: true } : { windowId: panelWindowId }) |
| 3572 | .then((tabs) => { |
| 3573 | lastTabs = tabs; |
| 3574 | if (!$("omni-list").hidden) refreshOmni(); |
| 3575 | }) |
| 3576 | .catch(() => {}); |
| 3577 | } |
| 3578 | |
| 3579 | const repaintOmniTabs = () => { |
| 3580 | if (!$("omni-list").hidden) syncOmniTabs(); |
| 3581 | }; |
| 3582 | api.tabs.onCreated.addListener(repaintOmniTabs); |
| 3583 | api.tabs.onRemoved.addListener(repaintOmniTabs); |
| 3584 | api.tabs.onUpdated.addListener(repaintOmniTabs); |
| 3585 | api.tabs.onActivated.addListener(repaintOmniTabs); |
| 3586 | // Asked once at load as well, so the first thing typed into the box has tabs to |
| 3587 | // match against without waiting on a focus event that may already have happened. |
| 3588 | syncOmniTabs(); |
| 3589 | |
| 3590 | /** |
| 3591 | * A URL as the box should match and show it: the scheme, a leading `www.` and a |
| 3592 | * trailing slash taken off, because none of the three is anything you would |
| 3593 | * type to find the tab again. `https://localhost:8000/` becomes `localhost:8000`. |
| 3594 | * |
| 3595 | * Only http(s) is trimmed. A `chrome://`, `about:` or `file://` address is |
| 3596 | * mostly scheme — take it off and what is left names nothing. |
| 3597 | * |
| 3598 | * @param {string} url |
| 3599 | * @returns {string} |
| 3600 | */ |
| 3601 | function tabAddress(url) { |
| 3602 | let u; |
| 3603 | try { |
| 3604 | u = new URL(url); |
| 3605 | } catch { |
| 3606 | return url; |
| 3607 | } |
| 3608 | if (u.protocol !== "http:" && u.protocol !== "https:") return url.replace(/\/+$/, ""); |
| 3609 | const rest = `${u.pathname}${u.search}`.replace(/\/$/, ""); |
| 3610 | return u.host.replace(/^www\./, "") + rest; |
| 3611 | } |
| 3612 | |
| 3613 | /** |
| 3614 | * The better of two `omniScore`s, where -1 means "did not match" rather than a |
| 3615 | * score and so cannot go into the comparison as one. |
| 3616 | * |
| 3617 | * @param {number} a |
| 3618 | * @param {number} b |
| 3619 | * @returns {number} lower is better, -1 when neither matched |
| 3620 | */ |
| 3621 | function bestScore(a, b) { |
| 3622 | if (a < 0) return b; |
| 3623 | if (b < 0) return a; |
| 3624 | return Math.min(a, b); |
| 3625 | } |
| 3626 | |
| 3627 | /** |
| 3628 | * The window's tabs, as rows. |
| 3629 | * |
| 3630 | * Matched on the title *and* on the address, best of the two, because which of |
| 3631 | * them you know is not the same from tab to tab: a dev server is `localhost:8000` |
| 3632 | * and its title is whatever the framework put there, while a doc page has a |
| 3633 | * title you would recognise and a URL you would not. |
| 3634 | * |
| 3635 | * This window's tabs only. The panel belongs to one browser window — Chrome |
| 3636 | * gives each window its own side panel — so a row that focused another window |
| 3637 | * would leave the terminal behind in this one, which is a strange thing for the |
| 3638 | * terminal's own box to offer. |
| 3639 | * |
| 3640 | * Every tab in the window, the showing one included — see the score. Titles and |
| 3641 | * URLs are page-controlled, which is the same footing tmux names are on: both |
| 3642 | * reach the DOM through textContent and nothing else. |
| 3643 | * |
| 3644 | * @param {string} q already lowercased and trimmed |
| 3645 | * @returns {TbOmniItem[]} |
| 3646 | */ |
| 3647 | function tabSuggestions(q) { |
| 3648 | /** @type {TbOmniItem[]} */ |
| 3649 | const out = []; |
| 3650 | for (const tab of lastTabs) { |
| 3651 | const id = tab.id; |
| 3652 | if (id == null) continue; |
| 3653 | const where = tabAddress(tab.url ?? ""); |
| 3654 | const score = bestScore(omniScore(tab.title ?? "", q), omniScore(where, q)); |
| 3655 | if (score < 0) continue; |
| 3656 | out.push({ |
| 3657 | kind: "tab", |
| 3658 | label: tab.title || where, |
| 3659 | meta: where, |
| 3660 | // The showing tab is a worse answer than any other equally good match — |
| 3661 | // it is the one place you can already see — but it is still an answer, |
| 3662 | // and the same +100 the current window takes rather than the omission the |
| 3663 | // current session takes. A session you are on cannot be typed at by |
| 3664 | // accident; the address of the page in front of you very much can, and |
| 3665 | // being told there is no such tab is the box looking broken. |
| 3666 | score: score + OMNI_TAB_PENALTY + (tab.active ? 100 : 0), |
| 3667 | // Showing the tab is the whole of it. The keyboard stays where `runOmni` |
| 3668 | // puts it — a panel cannot hand focus to the page — and if the tab is |
| 3669 | // pinned, showing it moves the terminal too: the same forward pin that a |
| 3670 | // click on the tab would have run. |
| 3671 | run: () => api.tabs.update(id, { active: true }).catch(() => {}), |
| 3672 | }); |
| 3673 | } |
| 3674 | return out; |
| 3675 | } |
| 3676 | |
| 3677 | /** |
| 3678 | * @param {string} query what is in the box |
| 3679 | * @returns {TbOmniItem[]} |
| 3680 | */ |
| 3681 | function omniSuggestions(query) { |
| 3682 | // `!` first, and on its own: a leading bang says the rest of the box is a |
| 3683 | // shell command, not a name, so nothing here is worth matching against the |
| 3684 | // server's names and offering to make a session called `!ls` would be noise. |
| 3685 | // The prefix is the shell's own — `!` is what a pager, an editor or a REPL |
| 3686 | // has always meant "and now run this" with. |
| 3687 | if (query.trim().startsWith("!")) { |
| 3688 | const cmd = query.trim().slice(1).trim(); |
| 3689 | const here = lastSessions.find((s) => s.name === sessionName); |
| 3690 | if (!here) return []; |
| 3691 | const where = here.path ? `run · ${shortPath(here.path)}` : "run"; |
| 3692 | // The bare `!` answers itself: the row appears the moment the prefix is |
| 3693 | // typed, saying what the box is now for and where the command will run, so |
| 3694 | // the mode is visible before there is anything to run. It is a label rather |
| 3695 | // than an offer — see `hint`, which is what keeps Enter from firing it. |
| 3696 | if (!cmd) { |
| 3697 | return [{ kind: "run", label: "type a command…", meta: where, score: 0, hint: true }]; |
| 3698 | } |
| 3699 | if (!validCommand(cmd)) return []; |
| 3700 | return [ |
| 3701 | { |
| 3702 | kind: "run", |
| 3703 | label: cmd, |
| 3704 | meta: where, |
| 3705 | score: 0, |
| 3706 | typed: true, |
| 3707 | run: () => tmuxCommand({ cmd: "run", session: here.name, command: cmd }), |
| 3708 | }, |
| 3709 | ]; |
| 3710 | } |
| 3711 | |
| 3712 | // `~` next, and for the same reason `!` is first: a leading tilde says the |
| 3713 | // box holds a directory, and matching `~/Code/foo` against the server's |
| 3714 | // window names would find nothing while hiding the rows that can act on it. |
| 3715 | if (query.trimStart().startsWith("~")) return projectSuggestions(query); |
| 3716 | |
| 3717 | const q = query.trim().toLowerCase(); |
| 3718 | const claude = agentByWindow(lastAgents); |
| 3719 | const loudest = agentBySession(lastAgents); |
| 3720 | /** @type {TbOmniItem[]} */ |
| 3721 | const out = []; |
| 3722 | |
| 3723 | for (const s of lastSessions) { |
| 3724 | const score = omniScore(s.name, q); |
| 3725 | // An empty box is a starting point, not a dump of the server: it offers the |
| 3726 | // sessions, which is the short list, and holds the windows back until there |
| 3727 | // is something to narrow them by. The session you are on is left out of it |
| 3728 | // either way — going there is where you already are. |
| 3729 | if (score >= 0 && !(!q && s.name === sessionName)) { |
| 3730 | out.push({ |
| 3731 | kind: "session", |
| 3732 | label: s.name, |
| 3733 | meta: `session · ${s.windows.length} window${s.windows.length === 1 ? "" : "s"}`, |
| 3734 | state: loudest[s.name]?.state, |
| 3735 | score, |
| 3736 | run: () => tmuxCommand({ cmd: "switch", session: s.name }), |
| 3737 | }); |
| 3738 | } |
| 3739 | |
| 3740 | if (!q) continue; |
| 3741 | for (const w of s.windows) { |
| 3742 | const wScore = omniScore(w.name, q); |
| 3743 | if (wScore < 0) continue; |
| 3744 | const a = claude[w.id]; |
| 3745 | out.push({ |
| 3746 | kind: "window", |
| 3747 | label: w.name, |
| 3748 | meta: `${s.name} · window ${w.index}`, |
| 3749 | state: a?.state, |
| 3750 | // The window you are looking at right now is a worse answer than any |
| 3751 | // other equally good match: it is the one place you can already see. |
| 3752 | score: wScore + (w.active && s.name === sessionName ? 100 : 0), |
| 3753 | run: () => selectWindow(w, s.name), |
| 3754 | }); |
| 3755 | } |
| 3756 | } |
| 3757 | |
| 3758 | // Panes, but only the ones running Claude: those are the panes the daemon |
| 3759 | // knows an id for, and they are the ones worth addressing individually — the |
| 3760 | // rest of a window's panes are reached by going to the window. |
| 3761 | for (const a of lastAgents) { |
| 3762 | const family = modelFamily(a.model); |
| 3763 | // What you would search for is what it is doing, not "pane %12". |
| 3764 | const text = [a.title, a.message, a.tool, a.name, family].filter(Boolean).join(" "); |
| 3765 | const score = omniScore(text, q); |
| 3766 | if (score < 0 || !q) continue; |
| 3767 | out.push({ |
| 3768 | kind: "pane", |
| 3769 | label: a.title || agentLabel(a), |
| 3770 | meta: `${a.session} · ${a.window} · claude ${a.state}${family ? ` · ${family}` : ""}`, |
| 3771 | state: a.state, |
| 3772 | score: score + 50, |
| 3773 | run: () => tmuxCommand({ cmd: "focus", pane: a.pane }), |
| 3774 | }); |
| 3775 | } |
| 3776 | |
| 3777 | // The browser's own tabs. Only with a query, for the same reason the windows |
| 3778 | // and the panes are: an empty box is the server's short list, and every tab |
| 3779 | // in the window listed under it would bury the thing it opened for. |
| 3780 | if (q) out.push(...tabSuggestions(q)); |
| 3781 | |
| 3782 | // Machines, from what ssh already knows about. Only with a query, for the |
| 3783 | // same reason the windows are: an empty box is a starting point rather than |
| 3784 | // an inventory, and the sessions are the short list it offers. |
| 3785 | // |
| 3786 | // The window this opens is a local one running ssh — see the daemon's |
| 3787 | // TmuxRequest::Ssh. So it needs the session the panel is on, exactly as the |
| 3788 | // Claude and `!` rows do, and it is offered only when there is one. |
| 3789 | const onSession = lastSessions.find((s) => s.name === sessionName); |
| 3790 | if (q && onSession) { |
| 3791 | for (const host of sshHosts) { |
| 3792 | const score = fuzzyScore(host, q); |
| 3793 | if (score < 0) continue; |
| 3794 | out.push({ |
| 3795 | kind: "ssh", |
| 3796 | label: host, |
| 3797 | meta: "ssh", |
| 3798 | score: score + OMNI_SSH_PENALTY, |
| 3799 | run: () => tmuxCommand({ cmd: "ssh", session: onSession.name, host }), |
| 3800 | }); |
| 3801 | } |
| 3802 | } |
| 3803 | |
| 3804 | out.sort((x, y) => x.score - y.score || OMNI_KIND_RANK[x.kind] - OMNI_KIND_RANK[y.kind]); |
| 3805 | const items = out.slice(0, OMNI_LIMIT); |
| 3806 | |
| 3807 | const typed = query.trim(); |
| 3808 | |
| 3809 | // A destination that is not in the list, read as one anyway: ssh reaches |
| 3810 | // machines no config or `known_hosts` mentions, and having to open a terminal |
| 3811 | // to connect to one of them would make the list a limit rather than a |
| 3812 | // shortcut. |
| 3813 | // |
| 3814 | // Only for text shaped like a destination, though — a `user@` or a dot. |
| 3815 | // A bare word is a session or a window name, and offering to ssh to `wor` |
| 3816 | // while you type `work` would put a connection under the cursor on the way |
| 3817 | // to somewhere you already have. |
| 3818 | if ( |
| 3819 | typed && |
| 3820 | onSession && |
| 3821 | /[@.]/.test(typed) && |
| 3822 | validSshHost(typed) && |
| 3823 | !sshHosts.includes(typed) |
| 3824 | ) { |
| 3825 | items.push({ |
| 3826 | kind: "ssh", |
| 3827 | label: typed, |
| 3828 | meta: "ssh", |
| 3829 | score: Infinity, |
| 3830 | typed: true, |
| 3831 | run: () => tmuxCommand({ cmd: "ssh", session: onSession.name, host: typed }), |
| 3832 | }); |
| 3833 | } |
| 3834 | |
| 3835 | // Last, always, and only when it would do something: an exact existing name |
| 3836 | // is a switch, which is already in the list above. |
| 3837 | if (typed && validSessionName(typed) && !lastSessions.some((s) => s.name === typed)) { |
| 3838 | items.push({ |
| 3839 | kind: "create", |
| 3840 | typed: true, |
| 3841 | label: typed, |
| 3842 | meta: "create session", |
| 3843 | score: Infinity, |
| 3844 | run: () => tmuxCommand({ cmd: "create", session: typed }), |
| 3845 | }); |
| 3846 | } |
| 3847 | |
| 3848 | // Below everything, and last of all: whatever was typed, read as a question |
| 3849 | // rather than as a name. A sentence matches no window and is not a legal |
| 3850 | // session name, so for anything that isn't a name this is the only row in |
| 3851 | // the list — type the thing you want done, press Enter, and it opens in a |
| 3852 | // window of its own beside the one you are in. |
| 3853 | // |
| 3854 | // In the session's own directory, which is the whole reason to ask from here |
| 3855 | // rather than in a terminal somewhere else. |
| 3856 | if (typed && typed.length <= OMNI_PROMPT_MAX && onSession) { |
| 3857 | items.push({ |
| 3858 | kind: "claude", |
| 3859 | label: typed, |
| 3860 | meta: onSession.path ? `send to claude · ${shortPath(onSession.path)}` : "send to claude", |
| 3861 | score: Infinity, |
| 3862 | typed: true, |
| 3863 | run: () => tmuxCommand({ cmd: "claude", session: onSession.name, prompt: typed }), |
| 3864 | }); |
| 3865 | } |
| 3866 | |
| 3867 | // With nothing typed the box is a menu rather than a search, so it ends with |
| 3868 | // the things you would otherwise have had to type to get: a Claude, and a |
| 3869 | // shell. Every other row here is reached by typing at least a letter, which |
| 3870 | // is the one thing a touch client has no cheap way to do — these are the rows |
| 3871 | // that make the list usable with a thumb. |
| 3872 | // |
| 3873 | // At the bottom, after the places, so Enter on an untouched box still means |
| 3874 | // the first session rather than starting something. |
| 3875 | if (!typed && onSession) items.push(...omniActions(onSession)); |
| 3876 | return items; |
| 3877 | } |
| 3878 | |
| 3879 | /** |
| 3880 | * The rows that make something in the session the panel is on. Both open a |
| 3881 | * window beside the current one, in the session's own directory — the same |
| 3882 | * window `send to claude` and `!` open, without the text. |
| 3883 | * |
| 3884 | * `claude` goes through `run` rather than through the daemon's Claude request: |
| 3885 | * that one exists to carry a prompt safely, and there is no prompt here. What |
| 3886 | * this is, is `!claude` with nothing to type. |
| 3887 | * |
| 3888 | * @param {TbSessionInfo} s |
| 3889 | * @returns {TbOmniItem[]} |
| 3890 | */ |
| 3891 | function omniActions(s) { |
| 3892 | const where = s.path ? shortPath(s.path) : s.name; |
| 3893 | return [ |
| 3894 | { |
| 3895 | kind: "action", |
| 3896 | mark: "✻", |
| 3897 | label: "New Claude", |
| 3898 | meta: `new window · ${where}`, |
| 3899 | score: Infinity, |
| 3900 | typed: true, |
| 3901 | run: () => tmuxCommand({ cmd: "run", session: s.name, command: "claude" }), |
| 3902 | }, |
| 3903 | { |
| 3904 | kind: "action", |
| 3905 | mark: "+", |
| 3906 | label: "New window", |
| 3907 | meta: `${s.name} · ${where}`, |
| 3908 | score: Infinity, |
| 3909 | typed: true, |
| 3910 | run: () => tmuxCommand({ cmd: "new-window", session: s.name }), |
| 3911 | }, |
| 3912 | ]; |
| 3913 | } |
| 3914 | |
| 3915 | /** |
| 3916 | * The daemon's `MAX_PROMPT`, mirrored for the same reason `validSessionName` |
| 3917 | * mirrors its validator: an offer the daemon would drop is worse than none. |
| 3918 | * Kept in step by hand with daemon/src/pty.rs. |
| 3919 | */ |
| 3920 | const OMNI_PROMPT_MAX = 8192; |
| 3921 | |
| 3922 | /** |
| 3923 | * The daemon's `valid_command`, mirrored for the same reason again: a row that |
| 3924 | * offers to run something the daemon will drop is worse than no row. |
| 3925 | * |
| 3926 | * A command is one line — a newline in the box means a paste that meant to go |
| 3927 | * to the terminal itself. Kept in step by hand with daemon/src/pty.rs. |
| 3928 | * |
| 3929 | * @param {string} cmd |
| 3930 | */ |
| 3931 | function validCommand(cmd) { |
| 3932 | // eslint-disable-next-line no-control-regex |
| 3933 | return cmd.length > 0 && cmd.length <= 4096 && !/[\x00-\x1f\x7f]/.test(cmd); |
| 3934 | } |
| 3935 | |
| 3936 | // --- the box as a place ----------------------------------------------------- |
| 3937 | // |
| 3938 | // `~/Code/foo let's do this` — a directory to work in, and what to say to |
| 3939 | // Claude once it is running there. A leading `~` is what puts the box in this |
| 3940 | // mode: no tmux name starts with one, and neither does anything you would type |
| 3941 | // looking for a window, so nothing else has to be given up for it. |
| 3942 | // |
| 3943 | // The rows are a question the panel cannot answer for itself. It has no |
| 3944 | // filesystem — the directory is on the daemon's machine — so it asks about one |
| 3945 | // directory at a time and works the rest out from the answer: whether the path |
| 3946 | // exists decides between switching to it, starting a session in it, and making |
| 3947 | // it first. One query per level typed, cached, rather than one per keystroke. |
| 3948 | |
| 3949 | /** |
| 3950 | * What the daemon said about a directory, keyed by the directory asked about. |
| 3951 | * @type {Map<string, TbPathFrame>} |
| 3952 | */ |
| 3953 | const pathAnswers = new Map(); |
| 3954 | /** Asked and not yet answered, so the same question is not asked twice. |
| 3955 | * @type {Set<string>} */ |
| 3956 | const pathAsking = new Set(); |
| 3957 | /** Cleared wholesale when it gets past this; the box asks again as you type. */ |
| 3958 | const PATH_CACHE_MAX = 64; |
| 3959 | /** Long enough that a typed path is one query per `/`, short enough not to be |
| 3960 | * felt. The answer arriving repaints the list under the caret. */ |
| 3961 | const PATH_DEBOUNCE_MS = 70; |
| 3962 | /** How many directories the list offers to complete to. */ |
| 3963 | const PATH_COMPLETIONS = 6; |
| 3964 | |
| 3965 | let pathTimer = 0; |
| 3966 | /** The most recent directory `askPath` was asked for; the timer sends this. */ |
| 3967 | let pathWanted = ""; |
| 3968 | |
| 3969 | /** |
| 3970 | * Ask the daemon about a directory, at most once, and not on every keystroke. |
| 3971 | * |
| 3972 | * The debounce holds one query rather than a queue: typing `~/Code/` fires for |
| 3973 | * `~/Code` and not for `~/Cod`, because the last thing wanted is the only thing |
| 3974 | * still worth asking by the time the timer runs. |
| 3975 | * |
| 3976 | * @param {string} dir a path in the box's own notation — `~/Code`, `/etc` |
| 3977 | */ |
| 3978 | function askPath(dir) { |
| 3979 | if (!connected || !ws || !dir || pathAnswers.has(dir) || pathAsking.has(dir)) return; |
| 3980 | pathWanted = dir; |
| 3981 | if (pathTimer) return; |
| 3982 | pathTimer = setTimeout(() => { |
| 3983 | pathTimer = 0; |
| 3984 | const q = pathWanted; |
| 3985 | if (!connected || !ws || !q || pathAnswers.has(q) || pathAsking.has(q)) return; |
| 3986 | pathAsking.add(q); |
| 3987 | ws.send(JSON.stringify({ type: "path", q })); |
| 3988 | }, PATH_DEBOUNCE_MS); |
| 3989 | } |
| 3990 | |
| 3991 | /** |
| 3992 | * File an answer and, if the list is up, draw it — the rows that were waiting |
| 3993 | * on this are the reason it was asked for. |
| 3994 | * |
| 3995 | * @param {TbPathFrame} msg |
| 3996 | */ |
| 3997 | function takePathAnswer(msg) { |
| 3998 | if (typeof msg.q !== "string") return; |
| 3999 | pathAsking.delete(msg.q); |
| 4000 | // A cache, not a model of the filesystem: it is dropped whole rather than |
| 4001 | // aged, and anything still on screen is asked for again on the next keystroke. |
| 4002 | if (pathAnswers.size >= PATH_CACHE_MAX) pathAnswers.clear(); |
| 4003 | pathAnswers.set(msg.q, msg); |
| 4004 | if (!$("omni-list").hidden) refreshOmni(); |
| 4005 | } |
| 4006 | |
| 4007 | /** |
| 4008 | * Forget what we know about a directory. Called when we have just asked for |
| 4009 | * something to be created inside it, because the listing we hold is now one |
| 4010 | * name short of the truth. |
| 4011 | * |
| 4012 | * @param {string} dir |
| 4013 | */ |
| 4014 | function forgetPath(dir) { |
| 4015 | pathAnswers.delete(dir); |
| 4016 | pathAsking.delete(dir); |
| 4017 | } |
| 4018 | |
| 4019 | /** |
| 4020 | * A path split where the daemon has to be asked: the directory to list, and |
| 4021 | * what has been typed of the name inside it. |
| 4022 | * |
| 4023 | * @param {string} token |
| 4024 | * @returns {{ dir: string, prefix: string }} |
| 4025 | */ |
| 4026 | function splitPath(token) { |
| 4027 | const cut = token.lastIndexOf("/"); |
| 4028 | if (cut < 0) return { dir: token, prefix: "" }; |
| 4029 | // A single leading slash is the root, and slicing it away would leave "". |
| 4030 | if (cut === 0) return { dir: "/", prefix: token.slice(1) }; |
| 4031 | return { dir: token.slice(0, cut), prefix: token.slice(cut + 1) }; |
| 4032 | } |
| 4033 | |
| 4034 | /** |
| 4035 | * A session name from a directory name — what the last component of the path |
| 4036 | * would be called if tmux would have it. |
| 4037 | * |
| 4038 | * `my.app` becomes `my-app`, because tmux rejects a dot in a session name. The |
| 4039 | * row says what the session will be called for exactly this reason: the name |
| 4040 | * and the directory are usually the same word, and when they are not, that is |
| 4041 | * worth seeing before pressing Enter rather than after. |
| 4042 | * |
| 4043 | * @param {string} path an absolute path |
| 4044 | */ |
| 4045 | function projectSlug(path) { |
| 4046 | const base = path.split("/").filter(Boolean).pop() ?? ""; |
| 4047 | const slug = base |
| 4048 | .replace(/[^A-Za-z0-9_-]+/g, "-") |
| 4049 | .replace(/^-+|-+$/g, "") |
| 4050 | .slice(0, 64); |
| 4051 | return validSessionName(slug) ? slug : ""; |
| 4052 | } |
| 4053 | |
| 4054 | /** |
| 4055 | * `slug`, or the first `slug-2`, `slug-3` that no session has taken. |
| 4056 | * |
| 4057 | * Only reached when the directory is *not* one we already have a session on — |
| 4058 | * that case is a switch, not a second session. This is the other one: two |
| 4059 | * different directories whose last component happens to be the same word. |
| 4060 | * |
| 4061 | * @param {string} slug |
| 4062 | * @returns {string} empty when there is no free name, which is not a real case |
| 4063 | */ |
| 4064 | function freeSessionName(slug) { |
| 4065 | if (!slug) return ""; |
| 4066 | const taken = (/** @type {string} */ name) => lastSessions.some((s) => s.name === name); |
| 4067 | if (!taken(slug)) return slug; |
| 4068 | for (let n = 2; n < 100; n++) { |
| 4069 | const candidate = `${slug}-${n}`.slice(0, 64); |
| 4070 | if (!taken(candidate)) return candidate; |
| 4071 | } |
| 4072 | return ""; |
| 4073 | } |
| 4074 | |
| 4075 | /** |
| 4076 | * The rows for a box that starts with `~`. |
| 4077 | * |
| 4078 | * @param {string} query |
| 4079 | * @returns {TbOmniItem[]} |
| 4080 | */ |
| 4081 | function projectSuggestions(query) { |
| 4082 | const s = query.trim(); |
| 4083 | // The first whitespace ends the path and begins the prompt. A directory with |
| 4084 | // a space in its name cannot be typed here, which is the price of the prompt |
| 4085 | // needing no punctuation of its own — and the completion rows will still walk |
| 4086 | // you into one. |
| 4087 | const space = s.search(/\s/); |
| 4088 | const token = space < 0 ? s : s.slice(0, space); |
| 4089 | const typedPrompt = space < 0 ? "" : s.slice(space + 1).trim(); |
| 4090 | const prompt = typedPrompt.length <= OMNI_PROMPT_MAX ? typedPrompt : ""; |
| 4091 | const { dir, prefix } = splitPath(token); |
| 4092 | |
| 4093 | /** @type {(label: string, meta: string) => TbOmniItem[]} */ |
| 4094 | const hint = (label, meta) => [{ kind: "project", label, meta, score: 0, typed: true, hint: true }]; |
| 4095 | |
| 4096 | const answer = pathAnswers.get(dir); |
| 4097 | if (!answer) { |
| 4098 | askPath(dir); |
| 4099 | return hint(token, "looking…"); |
| 4100 | } |
| 4101 | if (answer.kind === "invalid") return hint(token, "not a path"); |
| 4102 | if (answer.kind === "denied") return hint(token, "cannot read that directory"); |
| 4103 | if (answer.kind === "file") return hint(token, "not a directory"); |
| 4104 | |
| 4105 | const dirs = answer.dirs ?? []; |
| 4106 | const files = answer.files ?? []; |
| 4107 | const base = (answer.path || "").replace(/\/+$/, ""); |
| 4108 | const target = prefix ? `${base}/${prefix}` : base; |
| 4109 | |
| 4110 | // What is at the whole path, worked out from the one directory we asked |
| 4111 | // about. `creates` counts what `mkdir -p` would have to make, and the daemon |
| 4112 | // has already counted the part above this level. |
| 4113 | let state = /** @type {TbPathFrame["kind"]} */ (answer.kind); |
| 4114 | let creates = answer.creates ?? 0; |
| 4115 | if (prefix) { |
| 4116 | if (answer.kind !== "dir") { |
| 4117 | state = "missing"; |
| 4118 | creates += 1; |
| 4119 | } else if (dirs.includes(prefix)) { |
| 4120 | state = "dir"; |
| 4121 | creates = 0; |
| 4122 | } else if (files.includes(prefix)) { |
| 4123 | state = "file"; |
| 4124 | } else { |
| 4125 | state = "missing"; |
| 4126 | creates = 1; |
| 4127 | } |
| 4128 | } |
| 4129 | |
| 4130 | /** @type {TbOmniItem[]} */ |
| 4131 | const rows = []; |
| 4132 | const shown = tildePath(target); |
| 4133 | const loudest = agentBySession(lastAgents); |
| 4134 | |
| 4135 | if (state === "file") { |
| 4136 | rows.push(...hint(shown, "not a directory")); |
| 4137 | } else if (state === "dir") { |
| 4138 | // The directory is already somebody's: go there rather than opening a |
| 4139 | // second session on the same tree, which is the mistake this row exists to |
| 4140 | // prevent. tmux reports a session's *current pane's* directory, so this is |
| 4141 | // "a session sitting in that project", which is the question being asked. |
| 4142 | const onIt = lastSessions.find((x) => x.path === target); |
| 4143 | if (onIt) { |
| 4144 | const here = onIt.name === sessionName; |
| 4145 | if (prompt) { |
| 4146 | rows.push({ |
| 4147 | kind: "claude", |
| 4148 | label: prompt, |
| 4149 | meta: `send to claude · ${shortPath(target)}`, |
| 4150 | score: 0, |
| 4151 | typed: true, |
| 4152 | run: () => tmuxCommand({ cmd: "claude", session: onIt.name, prompt }), |
| 4153 | }); |
| 4154 | } |
| 4155 | rows.push({ |
| 4156 | kind: "session", |
| 4157 | label: onIt.name, |
| 4158 | meta: here ? `session · ${shown} · here` : `session · ${shown}`, |
| 4159 | state: loudest[onIt.name]?.state, |
| 4160 | score: 0, |
| 4161 | typed: true, |
| 4162 | // Switching to the session you are on does nothing, so it is said |
| 4163 | // rather than offered — the row is still worth drawing, because "you |
| 4164 | // already have this open" is the answer to what was typed. |
| 4165 | hint: here, |
| 4166 | run: here ? undefined : () => tmuxCommand({ cmd: "switch", session: onIt.name }), |
| 4167 | }); |
| 4168 | } else { |
| 4169 | rows.push(...projectRow({ token, dir, target, prompt, creates: 0, shown })); |
| 4170 | } |
| 4171 | } else { |
| 4172 | rows.push(...projectRow({ token, dir, target, prompt, creates, shown })); |
| 4173 | } |
| 4174 | |
| 4175 | // Everything inside the directory that starts with what has been typed of the |
| 4176 | // next name. Below the row that acts, because the thing you typed in full is |
| 4177 | // a better answer than something it is a prefix of. |
| 4178 | if (answer.kind === "dir") { |
| 4179 | const q = prefix.toLowerCase(); |
| 4180 | // Hidden directories only when you have said so with a leading dot: `~/` |
| 4181 | // otherwise offers a home directory's worth of dotfiles ahead of anything |
| 4182 | // you keep work in. |
| 4183 | const shownDirs = prefix.startsWith(".") ? dirs : dirs.filter((n) => !n.startsWith(".")); |
| 4184 | const matches = shownDirs |
| 4185 | .map((name) => ({ name, score: omniScore(name, q) })) |
| 4186 | .filter((m) => m.score >= 0 && m.name !== prefix) |
| 4187 | .sort((a, b) => a.score - b.score || a.name.localeCompare(b.name)) |
| 4188 | .slice(0, PATH_COMPLETIONS); |
| 4189 | for (const { name, score } of matches) { |
| 4190 | const next = `${dir === "/" ? "" : dir}/${name}`; |
| 4191 | rows.push({ |
| 4192 | kind: "path", |
| 4193 | label: name, |
| 4194 | meta: dir, |
| 4195 | score: 1 + score, |
| 4196 | typed: true, |
| 4197 | complete: true, |
| 4198 | run: () => completePath(next, prompt), |
| 4199 | }); |
| 4200 | } |
| 4201 | } |
| 4202 | |
| 4203 | return rows; |
| 4204 | } |
| 4205 | |
| 4206 | /** |
| 4207 | * The row that makes the thing: a session in that directory, and the directory |
| 4208 | * itself when it is not there yet. |
| 4209 | * |
| 4210 | * A list rather than an item so a path with no usable session name in it — |
| 4211 | * `~/...` of nothing but punctuation — can answer with a hint instead. |
| 4212 | * |
| 4213 | * @param {{token: string, dir: string, target: string, prompt: string, |
| 4214 | * creates: number, shown: string}} spec |
| 4215 | * @returns {TbOmniItem[]} |
| 4216 | */ |
| 4217 | function projectRow({ token, dir, target, prompt, creates, shown }) { |
| 4218 | const name = freeSessionName(projectSlug(target)); |
| 4219 | if (!name) { |
| 4220 | return [ |
| 4221 | { |
| 4222 | kind: "project", |
| 4223 | label: shown, |
| 4224 | meta: "no session name in that path", |
| 4225 | score: 0, |
| 4226 | typed: true, |
| 4227 | hint: true, |
| 4228 | }, |
| 4229 | ]; |
| 4230 | } |
| 4231 | // What is about to happen, in the order it happens in. The count is there |
| 4232 | // because "make one directory" and "make four" are different answers to what |
| 4233 | // is usually a typo in the middle of a path. |
| 4234 | const made = creates === 0 ? "" : creates === 1 ? "mkdir · " : `creates ${creates} dirs · `; |
| 4235 | return [ |
| 4236 | { |
| 4237 | kind: "project", |
| 4238 | // The one thing that distinguishes it from the row below it is what it is |
| 4239 | // about to start, so the mark comes with the item — see `omniActions`. |
| 4240 | mark: prompt ? "✻" : "+", |
| 4241 | label: shown, |
| 4242 | meta: `${made}new session ${name}${prompt ? " · claude" : ""}`, |
| 4243 | score: 0, |
| 4244 | typed: true, |
| 4245 | run: () => { |
| 4246 | // The listing we hold for the directory above this one is about to be |
| 4247 | // one name out of date. |
| 4248 | if (creates > 0) forgetPath(dir); |
| 4249 | tmuxCommand({ |
| 4250 | cmd: "new-project", |
| 4251 | // The path as typed: `~` is the daemon's home, not the browser's, and |
| 4252 | // one expansion of it is the only way the row and the mkdir agree. |
| 4253 | path: token, |
| 4254 | name, |
| 4255 | ...(prompt ? { prompt } : {}), |
| 4256 | }); |
| 4257 | }, |
| 4258 | }, |
| 4259 | ]; |
| 4260 | } |
| 4261 | |
| 4262 | /** |
| 4263 | * Take a completion: put the directory in the box with a trailing slash, which |
| 4264 | * both says "there is more to come" and is what asks about the next level. |
| 4265 | * |
| 4266 | * The prompt rides along, so completing a path halfway through a sentence does |
| 4267 | * not cost the sentence. |
| 4268 | * |
| 4269 | * @param {string} next |
| 4270 | * @param {string} prompt |
| 4271 | */ |
| 4272 | function completePath(next, prompt) { |
| 4273 | const input = $area("omni"); |
| 4274 | input.value = prompt ? `${next}/ ${prompt}` : `${next}/`; |
| 4275 | omniDirty = true; |
| 4276 | input.focus(); |
| 4277 | refreshOmni(); |
| 4278 | } |
| 4279 | |
| 4280 | /** |
| 4281 | * A path as a person refers to it. The row's dimmed half is a few characters |
| 4282 | * wide, so this is the tail of it — the last two components, which is the part |
| 4283 | * that says which project. The whole path is in the session info panel, which |
| 4284 | * is where one is worth reading in full. |
| 4285 | * |
| 4286 | * The panel never sees `$HOME`, so home is recognised by shape: `/home/x` and |
| 4287 | * `/Users/x`. Getting that wrong costs a `…` where a `~` would have read |
| 4288 | * better, and nothing else. |
| 4289 | * |
| 4290 | * @param {string} p |
| 4291 | */ |
| 4292 | function shortPath(p) { |
| 4293 | const parts = p.split("/").filter(Boolean); |
| 4294 | const home = parts.length >= 2 && (parts[0] === "home" || parts[0] === "Users"); |
| 4295 | if (home && parts.length === 2) return "~"; |
| 4296 | const rest = home ? parts.slice(2) : parts; |
| 4297 | const tail = rest.slice(-2).join("/"); |
| 4298 | if (home) return rest.length <= 2 ? `~/${tail}` : `~/…/${tail}`; |
| 4299 | return rest.length <= 2 ? p : `…/${tail}`; |
| 4300 | } |
| 4301 | |
| 4302 | /** |
| 4303 | * The whole path, with home written the way a shell writes it. |
| 4304 | * |
| 4305 | * Unlike {@link shortPath} nothing is dropped: this goes where the box's own |
| 4306 | * overflow decides what fits, and eliding in advance means a `…` in a gap wide |
| 4307 | * enough for the characters it replaced. |
| 4308 | * |
| 4309 | * @param {string} p |
| 4310 | */ |
| 4311 | function tildePath(p) { |
| 4312 | const parts = p.split("/").filter(Boolean); |
| 4313 | const home = parts.length >= 2 && (parts[0] === "home" || parts[0] === "Users"); |
| 4314 | if (!home) return p; |
| 4315 | return parts.length === 2 ? "~" : `~/${parts.slice(2).join("/")}`; |
| 4316 | } |
| 4317 | |
| 4318 | /** |
| 4319 | * True once the box holds a query rather than the location it was showing. |
| 4320 | * |
| 4321 | * An address bar's text is its value, not a label beside it: the session name |
| 4322 | * *is* what is in the box, focusing selects the whole of it, and typing |
| 4323 | * replaces it — so getting somewhere else is one shortcut and a few letters, |
| 4324 | * with no clearing step in between. The flag is what keeps the two states |
| 4325 | * apart, because "work" sitting in the box means "you are in work" until you |
| 4326 | * touch it and "find me something called work" afterwards. |
| 4327 | */ |
| 4328 | let omniDirty = false; |
| 4329 | |
| 4330 | /** |
| 4331 | * Put the location back in the box: the session this panel's client is on. |
| 4332 | * |
| 4333 | * Called on every status frame, so it has two things it must not walk over — |
| 4334 | * a query being typed, and the selection that focusing just made. |
| 4335 | */ |
| 4336 | /** |
| 4337 | * Size the box to its text: one line when there is one, taller as it wraps, |
| 4338 | * and no further than the cap in `sidebar.css` — past that it scrolls. |
| 4339 | * |
| 4340 | * A textarea has no intrinsic height, so this is the whole of "it grows". The |
| 4341 | * reset to `auto` first is what lets it shrink again: `scrollHeight` of a box |
| 4342 | * already taller than its content is that taller height, so measuring without |
| 4343 | * it makes the box a ratchet. |
| 4344 | * |
| 4345 | * The header is a flex column above a `flex: 1` terminal, so a taller pill |
| 4346 | * takes its pixels from the terminal, and the ResizeObserver on `#term` refits |
| 4347 | * tmux to the rows that are left. Nothing here has to say so. |
| 4348 | */ |
| 4349 | function growOmni() { |
| 4350 | const input = $area("omni"); |
| 4351 | input.style.height = "auto"; |
| 4352 | input.style.height = `${input.scrollHeight}px`; |
| 4353 | } |
| 4354 | |
| 4355 | // Rewrapping is the panel's width changing, and that is the one thing that can |
| 4356 | // change the line count without anyone touching the box. |
| 4357 | window.addEventListener("resize", growOmni); |
| 4358 | |
| 4359 | function syncOmniHere() { |
| 4360 | const input = $area("omni"); |
| 4361 | const here = connected && tmuxMode && sessionName ? sessionName : ""; |
| 4362 | |
| 4363 | // Shown only when there is a session for it to describe: an info button over |
| 4364 | // an empty box has nothing to open. |
| 4365 | $("omni-here").hidden = !here; |
| 4366 | |
| 4367 | // The directory follows the same rule as the name: it describes where you |
| 4368 | // are, so it goes as soon as the box stops being a location and starts being |
| 4369 | // a query. The full path stays one click away in the info panel. |
| 4370 | const cwd = $("omni-cwd"); |
| 4371 | const path = here ? lastSessions.find((s) => s.name === sessionName)?.path : null; |
| 4372 | const showCwd = !!path && !omniDirty && document.activeElement !== input; |
| 4373 | cwd.hidden = !showCwd; |
| 4374 | if (showCwd && path) { |
| 4375 | cwd.textContent = ""; |
| 4376 | cwd.appendChild(el("span", { text: tildePath(path) })); |
| 4377 | cwd.title = path; |
| 4378 | } |
| 4379 | |
| 4380 | if (omniDirty || document.activeElement === input) { |
| 4381 | growOmni(); |
| 4382 | takePendingOmniFocus(); |
| 4383 | return; |
| 4384 | } |
| 4385 | input.value = here; |
| 4386 | growOmni(); |
| 4387 | input.title = here |
| 4388 | ? `${here} — type to jump to a window, session or Claude pane, ` + |
| 4389 | `name a session to create it, or ask a new Claude in this directory` |
| 4390 | : "Jump to a window, session or Claude pane"; |
| 4391 | takePendingOmniFocus(); |
| 4392 | } |
| 4393 | |
| 4394 | // --- session info ----------------------------------------------------------- |
| 4395 | // |
| 4396 | // What is behind the dot, and the same bargain a browser's padlock makes: the |
| 4397 | // box has room for a name and nothing else, so the identity behind that name |
| 4398 | // gets a panel of its own one click away. There it is the origin, its |
| 4399 | // certificate and what the page is allowed to do; here it is the session — the |
| 4400 | // working directory above all, which is the one thing about a session its name |
| 4401 | // never tells you and the first thing you want to know before typing into it. |
| 4402 | // |
| 4403 | // Everything in it is a tmux string, so all of it reaches the DOM through |
| 4404 | // textContent. |
| 4405 | |
| 4406 | /** Set while the panel is up, so a status frame redraws it in place. */ |
| 4407 | let infoOpen = false; |
| 4408 | /** |
| 4409 | * Set when the outside-press guard closed the panel because the press landed on |
| 4410 | * the dot itself. The click that follows is the rest of that same press, so it |
| 4411 | * has to leave the panel closed rather than treat it as a fresh open. |
| 4412 | */ |
| 4413 | let infoToggledOff = false; |
| 4414 | /** Reset whenever the panel opens: the copy button's label is a one-shot. */ |
| 4415 | let infoCopied = false; |
| 4416 | |
| 4417 | /** |
| 4418 | * Rough and one unit deep, which is all an age is read for here: whether this |
| 4419 | * session is from this morning or from last week. |
| 4420 | * |
| 4421 | * @param {number} created Unix seconds |
| 4422 | */ |
| 4423 | function sessionAge(created) { |
| 4424 | const secs = Math.max(0, Math.floor(Date.now() / 1000 - created)); |
| 4425 | const units = /** @type {const} */ ([ |
| 4426 | [86400, "d"], |
| 4427 | [3600, "h"], |
| 4428 | [60, "m"], |
| 4429 | ]); |
| 4430 | for (const [size, suffix] of units) { |
| 4431 | if (secs >= size) return `${Math.floor(secs / size)}${suffix} ago`; |
| 4432 | } |
| 4433 | return "just now"; |
| 4434 | } |
| 4435 | |
| 4436 | /** |
| 4437 | * One label-and-value line. |
| 4438 | * |
| 4439 | * @param {string} key |
| 4440 | * @param {string} value |
| 4441 | * @param {boolean} [path] a filesystem path, which is elided from the front |
| 4442 | */ |
| 4443 | function infoRow(key, value, path) { |
| 4444 | return el( |
| 4445 | "div", |
| 4446 | { class: "info-row" }, |
| 4447 | el("span", { class: "k", text: key }), |
| 4448 | path |
| 4449 | ? // The `rtl` that puts the ellipsis on the left would also reorder the |
| 4450 | // path's own punctuation, so the text itself is wrapped back to `ltr`. |
| 4451 | el("span", { class: "v path", title: value }, el("span", { text: value })) |
| 4452 | : el("span", { class: "v", title: value, text: value }), |
| 4453 | ); |
| 4454 | } |
| 4455 | |
| 4456 | /** |
| 4457 | * Draw the panel's contents from the current frame. Called again on every |
| 4458 | * status frame while it is open, so a Claude that starts working, a window |
| 4459 | * that opens or a second client attaching all show up without reopening it. |
| 4460 | * |
| 4461 | * @param {HTMLElement} pop |
| 4462 | * @param {TbSessionInfo} s |
| 4463 | */ |
| 4464 | function fillSessionInfo(pop, s) { |
| 4465 | pop.textContent = ""; |
| 4466 | |
| 4467 | const colour = groupColor(s.name); |
| 4468 | pop.appendChild( |
| 4469 | el( |
| 4470 | "div", |
| 4471 | { class: "info-head" }, |
| 4472 | el("span", { |
| 4473 | class: `dot${colour === GROUP_GREY ? " grey" : ""}`, |
| 4474 | css: { "--group-h": String(colour) }, |
| 4475 | }), |
| 4476 | el("span", { class: "name", text: s.name }), |
| 4477 | // The id, because a rename changes the name and not this — and because it |
| 4478 | // is what a `tmux` command typed by hand wants. |
| 4479 | el("span", { class: "sub", text: s.id }), |
| 4480 | ), |
| 4481 | ); |
| 4482 | |
| 4483 | const panes = s.windows.reduce((n, w) => n + w.panes, 0); |
| 4484 | const here = s.windows.find((w) => w.active); |
| 4485 | pop.appendChild(infoRow("Directory", s.path || "unknown", true)); |
| 4486 | if (here) pop.appendChild(infoRow("Window", `${here.index}: ${here.name}`)); |
| 4487 | pop.appendChild( |
| 4488 | infoRow( |
| 4489 | "Contents", |
| 4490 | `${s.windows.length} window${s.windows.length === 1 ? "" : "s"} · ` + |
| 4491 | `${panes} pane${panes === 1 ? "" : "s"}`, |
| 4492 | ), |
| 4493 | ); |
| 4494 | // Worth saying plainly: a second client on the same session is why what you |
| 4495 | // type here appears somewhere else too. |
| 4496 | const clients = s.clients ?? (s.attached ? 1 : 0); |
| 4497 | pop.appendChild( |
| 4498 | infoRow( |
| 4499 | "Attached", |
| 4500 | clients <= 1 ? "this panel only" : `${clients} clients — this panel and ${clients - 1} more`, |
| 4501 | ), |
| 4502 | ); |
| 4503 | if (s.created) pop.appendChild(infoRow("Started", sessionAge(s.created))); |
| 4504 | |
| 4505 | const mine = lastAgents.filter((a) => a.session === s.name); |
| 4506 | pop.appendChild( |
| 4507 | el( |
| 4508 | "div", |
| 4509 | { class: "info-agents" }, |
| 4510 | mine.length === 0 && el("div", { class: "info-empty", text: "No Claude running here" }), |
| 4511 | ...mine.map((a) => |
| 4512 | el( |
| 4513 | "div", |
| 4514 | { class: "info-agent" }, |
| 4515 | glyphSpan(a.state), |
| 4516 | el("span", { |
| 4517 | class: "what", |
| 4518 | text: a.title || agentLabel(a), |
| 4519 | title: `claude ${a.state} — ${agentLabel(a)}`, |
| 4520 | }), |
| 4521 | el("span", { class: "where", text: a.window }), |
| 4522 | ), |
| 4523 | ), |
| 4524 | ), |
| 4525 | ); |
| 4526 | |
| 4527 | // The one thing here that is wanted somewhere else: a path is typed into |
| 4528 | // another shell, a file manager or an editor far more often than it is read. |
| 4529 | if (s.path) { |
| 4530 | const copy = button({ |
| 4531 | class: "info-copy", |
| 4532 | text: infoCopied ? "Copied" : "Copy path", |
| 4533 | on: { |
| 4534 | click: () => |
| 4535 | navigator.clipboard.writeText(s.path ?? "").then( |
| 4536 | () => { |
| 4537 | infoCopied = true; |
| 4538 | copy.textContent = "Copied"; |
| 4539 | }, |
| 4540 | () => { |
| 4541 | copy.textContent = "Couldn't copy"; |
| 4542 | }, |
| 4543 | ), |
| 4544 | }, |
| 4545 | }); |
| 4546 | pop.appendChild(copy); |
| 4547 | } |
| 4548 | } |
| 4549 | |
| 4550 | /** Redraw an open panel from the frame that just arrived. */ |
| 4551 | function refreshSessionInfo() { |
| 4552 | if (!infoOpen || !openMenu) return; |
| 4553 | const s = lastSessions.find((x) => x.name === sessionName); |
| 4554 | // The session went away — closing the panel is the honest answer, and it is |
| 4555 | // what the omnibar above it is about to do with the name too. |
| 4556 | if (!s) return closeTabMenu(); |
| 4557 | fillSessionInfo(openMenu, s); |
| 4558 | } |
| 4559 | |
| 4560 | /** |
| 4561 | * Open it under the dot, the way a browser drops its site panel out of the |
| 4562 | * padlock. Shares the tab menu's machinery — one thing open at a time, Escape |
| 4563 | * and a click anywhere else close it. |
| 4564 | */ |
| 4565 | function openSessionInfo() { |
| 4566 | const wasOpen = infoOpen || infoToggledOff; |
| 4567 | infoToggledOff = false; |
| 4568 | closeTabMenu(); |
| 4569 | // The dot is a toggle: clicking it again is how you put the panel away |
| 4570 | // without having to find somewhere neutral to click. |
| 4571 | if (wasOpen) return; |
| 4572 | const s = lastSessions.find((x) => x.name === sessionName); |
| 4573 | if (!s) return; |
| 4574 | |
| 4575 | infoCopied = false; |
| 4576 | const pop = el("div", { |
| 4577 | class: "info-pop", |
| 4578 | attrs: { role: "dialog", "aria-label": `Session ${s.name}` }, |
| 4579 | }); |
| 4580 | fillSessionInfo(pop, s); |
| 4581 | |
| 4582 | document.body.appendChild(pop); |
| 4583 | const anchor = $("omni-here").getBoundingClientRect(); |
| 4584 | const r = pop.getBoundingClientRect(); |
| 4585 | // Hung off the dot's left edge, and folded back inside when the panel is |
| 4586 | // narrower than the bubble wants to be. |
| 4587 | pop.style.left = `${Math.max(4, Math.min(anchor.left - 4, window.innerWidth - r.width - 4))}px`; |
| 4588 | pop.style.top = `${Math.min(anchor.bottom + 4, Math.max(0, window.innerHeight - r.height - 4))}px`; |
| 4589 | openMenu = pop; |
| 4590 | infoOpen = true; |
| 4591 | $("omni-here").setAttribute("aria-expanded", "true"); |
| 4592 | setTimeout(() => { |
| 4593 | window.addEventListener("pointerdown", onDismiss, { once: true, capture: true }); |
| 4594 | }, 0); |
| 4595 | } |
| 4596 | |
| 4597 | // mousedown rather than click for the guard: the pill hands focus to the input |
| 4598 | // on a press anywhere inside it, and the panel opening under a focused omnibar |
| 4599 | // would sit over the list that focus drops down. |
| 4600 | $("omni-here").addEventListener("mousedown", (e) => e.preventDefault()); |
| 4601 | $("omni-here").addEventListener("click", openSessionInfo); |
| 4602 | |
| 4603 | /** Drop whatever was typed and show the location again. */ |
| 4604 | function revertOmni() { |
| 4605 | omniDirty = false; |
| 4606 | const input = $area("omni"); |
| 4607 | input.value = connected && tmuxMode && sessionName ? sessionName : ""; |
| 4608 | input.select(); |
| 4609 | refreshOmni(); |
| 4610 | } |
| 4611 | |
| 4612 | /** Rebuild the dropdown from whatever is in the box. */ |
| 4613 | function refreshOmni() { |
| 4614 | const input = $area("omni"); |
| 4615 | const list = $("omni-list"); |
| 4616 | syncOmniHere(); |
| 4617 | if (tabMode !== "groups" || !connected || !tmuxMode) return closeOmni(); |
| 4618 | |
| 4619 | // The id of the row that was chosen, so a status frame arriving mid-type |
| 4620 | // does not move the selection out from under the next Enter. |
| 4621 | const chosen = omniItems[omniActive]; |
| 4622 | // Untouched, the box is showing where you are, not asking for it: the list |
| 4623 | // that goes with that is the other places, the same way a browser drops down |
| 4624 | // suggestions rather than searching for the URL already in the bar. |
| 4625 | const query = omniDirty ? input.value : ""; |
| 4626 | omniItems = omniSuggestions(query); |
| 4627 | omniActive = chosen |
| 4628 | ? omniItems.findIndex((i) => i.kind === chosen.kind && i.label === chosen.label) |
| 4629 | : -1; |
| 4630 | |
| 4631 | list.textContent = ""; |
| 4632 | if (!omniItems.length) return closeOmni(); |
| 4633 | |
| 4634 | const q = query.trim().toLowerCase(); |
| 4635 | omniItems.forEach((item, i) => list.appendChild(omniRow(item, i, q))); |
| 4636 | list.hidden = false; |
| 4637 | // Anchored to the row it drops out of rather than to the panel, so it lines |
| 4638 | // up with the box whatever the density is doing to the header's height. |
| 4639 | const r = $("omni-strip").getBoundingClientRect(); |
| 4640 | list.style.top = `${r.bottom}px`; |
| 4641 | syncOmniActive(); |
| 4642 | } |
| 4643 | |
| 4644 | /** |
| 4645 | * @param {TbOmniItem} item |
| 4646 | * @param {number} i |
| 4647 | * @param {string} q the matched substring, for the highlight |
| 4648 | */ |
| 4649 | function omniRow(item, i, q) { |
| 4650 | // Split around the match so the part you typed can be picked out. Three |
| 4651 | // textContent assignments, never markup — these are tmux's names. |
| 4652 | const at = q ? item.label.toLowerCase().indexOf(q) : -1; |
| 4653 | // The rows whose label is the query itself have nothing to highlight: every |
| 4654 | // character of them was typed. |
| 4655 | const label = |
| 4656 | at >= 0 && !item.typed |
| 4657 | ? el( |
| 4658 | "span", |
| 4659 | { class: "label" }, |
| 4660 | el("span", { text: item.label.slice(0, at) }), |
| 4661 | el("b", { text: item.label.slice(at, at + q.length) }), |
| 4662 | el("span", { text: item.label.slice(at + q.length) }), |
| 4663 | ) |
| 4664 | : el("span", { class: "label", text: item.label }); |
| 4665 | |
| 4666 | return el( |
| 4667 | "div", |
| 4668 | { |
| 4669 | class: `omni-row ${item.kind}${item.hint ? " hint" : ""}`, |
| 4670 | attrs: { id: `omni-row-${i}` }, |
| 4671 | data: { index: String(i) }, |
| 4672 | on: { |
| 4673 | // mousedown rather than click for the guard: the input would otherwise |
| 4674 | // blur before the click landed, and blur closes the list out from |
| 4675 | // under it. |
| 4676 | /** @param {MouseEvent} e */ |
| 4677 | mousedown: (e) => e.preventDefault(), |
| 4678 | click: () => runOmni(i), |
| 4679 | mousemove: () => { |
| 4680 | if (omniActive === i) return; |
| 4681 | omniActive = i; |
| 4682 | syncOmniActive(); |
| 4683 | }, |
| 4684 | }, |
| 4685 | }, |
| 4686 | glyphSpan(item.state), |
| 4687 | // The kinds whose rows are all alike get their character from CSS. An action |
| 4688 | // row does not: what it is about to make is the whole of what distinguishes |
| 4689 | // it from the action below it, so the mark comes with the item. |
| 4690 | item.mark && el("span", { class: "mark", text: item.mark, attrs: { "aria-hidden": "true" } }), |
| 4691 | label, |
| 4692 | el("span", { class: "meta", text: item.meta }), |
| 4693 | ); |
| 4694 | } |
| 4695 | |
| 4696 | /** Paint the chosen row. */ |
| 4697 | function syncOmniActive() { |
| 4698 | const rows = [...$("omni-list").children]; |
| 4699 | rows.forEach((row, i) => row.classList.toggle("active", i === omniActive)); |
| 4700 | const active = rows[omniActive]; |
| 4701 | if (active) active.scrollIntoView({ block: "nearest" }); |
| 4702 | } |
| 4703 | |
| 4704 | function closeOmni() { |
| 4705 | const list = $("omni-list"); |
| 4706 | list.hidden = true; |
| 4707 | list.textContent = ""; |
| 4708 | omniItems = []; |
| 4709 | omniActive = -1; |
| 4710 | } |
| 4711 | |
| 4712 | /** |
| 4713 | * Run a row and get out of the way. The box goes back to being the location: |
| 4714 | * the command has been sent, and the status frame that answers it will put the |
| 4715 | * new session's name here a moment later — this just stops the query it was |
| 4716 | * holding from looking like where you are in the meantime. |
| 4717 | * |
| 4718 | * @param {number} i |
| 4719 | */ |
| 4720 | function runOmni(i) { |
| 4721 | const item = omniItems[i]; |
| 4722 | if (!item) return; |
| 4723 | // A hint has nothing to run, and closing the list on Enter would take the |
| 4724 | // thing it is explaining off the screen. It stays put and the box keeps focus. |
| 4725 | if (!item.run) return; |
| 4726 | // A completion is not a destination: it puts a longer path in the box and |
| 4727 | // leaves you typing, so nothing here closes or hands focus back. |
| 4728 | if (item.complete) { |
| 4729 | item.run(); |
| 4730 | return; |
| 4731 | } |
| 4732 | item.run(); |
| 4733 | omniDirty = false; |
| 4734 | closeOmni(); |
| 4735 | term.focus(); |
| 4736 | syncOmniHere(); |
| 4737 | } |
| 4738 | |
| 4739 | /** @param {number} delta */ |
| 4740 | function moveOmni(delta) { |
| 4741 | if (!omniItems.length) return; |
| 4742 | // Wraps, and starts at the top going down / the bottom going up: with |
| 4743 | // nothing chosen there is no "next" that isn't the first one. |
| 4744 | const n = omniItems.length; |
| 4745 | omniActive = omniActive < 0 ? (delta > 0 ? 0 : n - 1) : (omniActive + delta + n) % n; |
| 4746 | syncOmniActive(); |
| 4747 | } |
| 4748 | |
| 4749 | /** |
| 4750 | * When the shortcut is what opened the panel, it arrives ahead of everything |
| 4751 | * the box is made of: the mode comes from storage, the name from the server, |
| 4752 | * and neither is here yet. Held as a time rather than a flag so a request that |
| 4753 | * never becomes answerable expires instead of ambushing a later frame — a mode |
| 4754 | * switch minutes on is not this shortcut still landing. |
| 4755 | */ |
| 4756 | let omniFocusAsked = 0; |
| 4757 | const OMNI_FOCUS_WAIT_MS = 15_000; |
| 4758 | |
| 4759 | /** The first frame with a box to focus honours a request that came too early. */ |
| 4760 | function takePendingOmniFocus() { |
| 4761 | if (!omniFocusAsked) return; |
| 4762 | if (Date.now() - omniFocusAsked > OMNI_FOCUS_WAIT_MS) { |
| 4763 | omniFocusAsked = 0; |
| 4764 | return; |
| 4765 | } |
| 4766 | if (tabMode !== "groups" || !connected || !tmuxMode) return; |
| 4767 | omniFocusAsked = 0; |
| 4768 | focusOmni(); |
| 4769 | } |
| 4770 | |
| 4771 | /** |
| 4772 | * Put the caret in the box, from wherever focus was. |
| 4773 | * |
| 4774 | * Whether the keyboard follows is not this document's to decide. Chrome hands |
| 4775 | * the panel focus when it opens it and at no other time — there is no API to |
| 4776 | * focus a panel that is already up — so the caret and the selection made here |
| 4777 | * are real either way, but they only *look* like a selection when the panel is |
| 4778 | * the focused surface. The worker leans on that: a shortcut pressed while the |
| 4779 | * panel is closed becomes an open, which is the path that focuses. |
| 4780 | */ |
| 4781 | function focusOmni() { |
| 4782 | // Not ready to hold a caret yet. Remember the ask; the next frame that has a |
| 4783 | // box takes it. |
| 4784 | if (tabMode !== "groups" || !connected || !tmuxMode) { |
| 4785 | omniFocusAsked = Date.now(); |
| 4786 | return; |
| 4787 | } |
| 4788 | omniFocusAsked = 0; |
| 4789 | const input = $area("omni"); |
| 4790 | |
| 4791 | // A panel coming up for the first time gets its focus somewhere in the next |
| 4792 | // few hundred milliseconds, and a selection made before that arrives is |
| 4793 | // collapsed back to a caret when it does. So this takes the caret and the |
| 4794 | // selection back across that window. Only two things end it early, and both |
| 4795 | // mean the box is already being used: text typed into it, or a click placing |
| 4796 | // the caret by hand. |
| 4797 | let live = true; |
| 4798 | const stop = () => { |
| 4799 | live = false; |
| 4800 | input.removeEventListener("input", stop); |
| 4801 | input.removeEventListener("mousedown", stop); |
| 4802 | window.removeEventListener("focus", reselect); |
| 4803 | }; |
| 4804 | const reselect = () => { |
| 4805 | if (!live) return; |
| 4806 | input.focus(); |
| 4807 | input.select(); |
| 4808 | // The list belongs to the same gesture as the caret, and the same startup |
| 4809 | // churn that drops the selection can close it. Put it back too, but only |
| 4810 | // when it is gone: rebuilding an open list would move the chosen row out |
| 4811 | // from under an arrow key. |
| 4812 | if ($("omni-list").hidden) { |
| 4813 | omniDirty = false; |
| 4814 | refreshOmni(); |
| 4815 | } |
| 4816 | }; |
| 4817 | input.addEventListener("input", stop); |
| 4818 | input.addEventListener("mousedown", stop); |
| 4819 | window.addEventListener("focus", reselect); |
| 4820 | |
| 4821 | reselect(); |
| 4822 | for (const ms of [0, 16, 50, 120, 250, 400, 600]) setTimeout(reselect, ms); |
| 4823 | setTimeout(stop, 800); |
| 4824 | |
| 4825 | // The list drops down on focus, and that is the focus event's doing — which |
| 4826 | // does not fire when the box already held the caret, and cannot be counted |
| 4827 | // on when the panel is still coming up around it. Asking for it here makes |
| 4828 | // the shortcut mean the same thing however it arrived: the box, its name |
| 4829 | // selected, and everywhere else already listed under it. |
| 4830 | // The tab rows come from a query, and the shortcut is the one path into the |
| 4831 | // box that the focus listener below does not cover: pressed with the caret |
| 4832 | // already here, no focus event fires and the list would be built from |
| 4833 | // whatever the window's tabs were the last time it was open. |
| 4834 | omniDirty = false; |
| 4835 | syncOmniTabs(); |
| 4836 | refreshOmni(); |
| 4837 | } |
| 4838 | |
| 4839 | $area("omni").addEventListener("input", () => { |
| 4840 | const input = $area("omni"); |
| 4841 | // The box wraps, but it still holds one line: Enter runs a row rather than |
| 4842 | // breaking the line, so the only way a newline gets in is a paste — and a |
| 4843 | // command with a hard newline in the middle of it is not what was pasted, |
| 4844 | // it is what the clipboard happened to be carrying. Each becomes a space, |
| 4845 | // and the caret keeps its place because the length does not change. |
| 4846 | if (input.value.includes("\n")) { |
| 4847 | const at = input.selectionStart; |
| 4848 | input.value = input.value.replace(/[\r\n]/g, " "); |
| 4849 | input.setSelectionRange(at, at); |
| 4850 | } |
| 4851 | // The location has been typed over, so it is a query from here on. |
| 4852 | omniDirty = true; |
| 4853 | refreshOmni(); |
| 4854 | }); |
| 4855 | |
| 4856 | // Focus selects the whole name, so the first letter typed replaces it — the one |
| 4857 | // behaviour that makes "the box holds where you are" and "the box is how you go |
| 4858 | // somewhere else" the same box. Opening the list here rather than on the first |
| 4859 | // keystroke: with nothing typed it is already the list of everywhere else. |
| 4860 | $area("omni").addEventListener("focus", () => { |
| 4861 | omniDirty = false; |
| 4862 | $area("omni").select(); |
| 4863 | syncOmniTabs(); |
| 4864 | refreshOmni(); |
| 4865 | }); |
| 4866 | |
| 4867 | // Late enough for a row's own click to have run first. Leaving focus abandons |
| 4868 | // whatever was typed, exactly as a browser's does — the box goes back to |
| 4869 | // saying where you are. |
| 4870 | $area("omni").addEventListener("blur", () => |
| 4871 | setTimeout(() => { |
| 4872 | // A blur that leaves the caret where it was is the panel gaining or losing |
| 4873 | // the keyboard, not the box being left — and that happens under the box on |
| 4874 | // the way up, when the shortcut is what opened this panel. Closing on it |
| 4875 | // would take the list away from a box that is still focused. |
| 4876 | if (document.activeElement === $area("omni")) return; |
| 4877 | closeOmni(); |
| 4878 | omniDirty = false; |
| 4879 | syncOmniHere(); |
| 4880 | }, 0), |
| 4881 | ); |
| 4882 | |
| 4883 | $area("omni").addEventListener("keydown", (e) => { |
| 4884 | const ev = /** @type {KeyboardEvent} */ (e); |
| 4885 | const key = ev.key; |
| 4886 | // Ctrl+J / Ctrl+K move the selection too, but only while the list is up: |
| 4887 | // with nothing open they belong to the terminal, and Ctrl+K in particular is |
| 4888 | // a line-kill an emacs-keyed shell expects to get. |
| 4889 | if (ev.ctrlKey && !ev.altKey && !ev.metaKey && (key === "j" || key === "k") && omniItems.length) { |
| 4890 | e.preventDefault(); |
| 4891 | moveOmni(key === "j" ? 1 : -1); |
| 4892 | } else if (key === "ArrowDown" || key === "ArrowUp") { |
| 4893 | e.preventDefault(); |
| 4894 | moveOmni(key === "ArrowDown" ? 1 : -1); |
| 4895 | } else if (key === "Tab" && omniItems.some((i) => i.complete)) { |
| 4896 | // What Tab has meant in every box that has ever held a path: take the |
| 4897 | // completion. The chosen one if a row is chosen, the first otherwise, which |
| 4898 | // is the same rule Enter follows. |
| 4899 | e.preventDefault(); |
| 4900 | const active = omniItems[omniActive]; |
| 4901 | const item = active?.complete ? active : omniItems.find((i) => i.complete); |
| 4902 | item?.run?.(); |
| 4903 | } else if (key === "Enter") { |
| 4904 | e.preventDefault(); |
| 4905 | // Enter with nothing chosen takes the top row, which is what the list is |
| 4906 | // sorted for — you type three letters and press Enter without looking. |
| 4907 | runOmni(omniActive < 0 ? 0 : omniActive); |
| 4908 | } else if (key === "Escape") { |
| 4909 | e.preventDefault(); |
| 4910 | // First Escape puts the location back, the second gives the terminal back |
| 4911 | // — the same two steps Escape takes in a browser's address bar. |
| 4912 | if (omniDirty) revertOmni(); |
| 4913 | else { |
| 4914 | closeOmni(); |
| 4915 | term.focus(); |
| 4916 | } |
| 4917 | } |
| 4918 | }); |
| 4919 | |
| 4920 | // --- session tabs ----------------------------------------------------------- |
| 4921 | // |
| 4922 | // The top row: every session on the server. Selecting one is a switch-client — |
| 4923 | // the client this panel holds moves, so the pty underneath is never re-spawned |
| 4924 | // and nothing running is disturbed. |
| 4925 | // |
| 4926 | // Session names come from tmux (a user or a shell script named them, and both |
| 4927 | // can put anything in a name) and only ever reach the DOM through textContent. |
| 4928 | // |
| 4929 | // Order: the daemon sends them oldest first, so a session you just made is on |
| 4930 | // the end rather than wherever its name sorts. Dragging a tab overrides that, |
| 4931 | // and the override is this panel's own — tmux has no notion of session order to |
| 4932 | // change, unlike windows, which are dragged with a real move-window. |
| 4933 | /** @type {string[]} session names, in the order this panel shows them */ |
| 4934 | let sessionOrder = []; |
| 4935 | |
| 4936 | /** |
| 4937 | * Saved order first, in its own sequence; then everything it doesn't mention, |
| 4938 | * in the daemon's (creation) order. A session that comes back after a while |
| 4939 | * therefore returns to where you last put it, and a brand new one lands last. |
| 4940 | * |
| 4941 | * @param {TbSessionInfo[]} sessions |
| 4942 | * @returns {TbSessionInfo[]} |
| 4943 | */ |
| 4944 | function orderSessions(sessions) { |
| 4945 | const known = new Map(sessions.map((s) => [s.name, s])); |
| 4946 | /** @type {TbSessionInfo[]} */ |
| 4947 | const out = []; |
| 4948 | for (const name of sessionOrder) { |
| 4949 | const s = known.get(name); |
| 4950 | if (s) { |
| 4951 | out.push(s); |
| 4952 | known.delete(name); |
| 4953 | } |
| 4954 | } |
| 4955 | return [...out, ...known.values()]; |
| 4956 | } |
| 4957 | |
| 4958 | /** @param {string[]} names the row's order, as dragged */ |
| 4959 | function saveSessionOrder(names) { |
| 4960 | sessionOrder = names; |
| 4961 | storage.set({ sessionOrder }); |
| 4962 | } |
| 4963 | |
| 4964 | /** |
| 4965 | * @param {TbSessionInfo[]} unordered as the daemon sent them |
| 4966 | * @param {string | null | undefined} current the session this panel is on |
| 4967 | * @param {TbAgent[]} agents server-wide, for the glyph on each tab |
| 4968 | */ |
| 4969 | function renderSessionTabs(unordered, current, agents) { |
| 4970 | const sessions = orderSessions(unordered); |
| 4971 | const strip = $("sessions"); |
| 4972 | // A repaint mid-drag would tear the tab out from under the pointer, and the |
| 4973 | // frames arrive once a second whether or not anything moved. |
| 4974 | if (dragging && !strip.hidden) return; |
| 4975 | const show = connected && tmuxMode && sessions.length > 0; |
| 4976 | strip.hidden = !show; |
| 4977 | $("session-new").hidden = !show; |
| 4978 | // Two things cannot both hold the row: a tab carries the session name, so |
| 4979 | // the status text only speaks when there is no tab to speak for it. |
| 4980 | document.body.classList.toggle("has-session", show); |
| 4981 | if (!show) { |
| 4982 | strip.textContent = ""; |
| 4983 | strip.dataset.sig = ""; |
| 4984 | hideSessionInput(); |
| 4985 | syncSpinner(); |
| 4986 | return; |
| 4987 | } |
| 4988 | |
| 4989 | const claude = agentBySession(agents); |
| 4990 | const sig = JSON.stringify( |
| 4991 | sessions.map((s) => { |
| 4992 | const a = claude[s.name]; |
| 4993 | const selected = s.name === current; |
| 4994 | // The selected tab draws no glyph, so what its agent is doing cannot |
| 4995 | // change what it looks like — and must not be in here, or every state |
| 4996 | // change in the session you are *on* rebuilds the whole row and drops |
| 4997 | // whatever the pointer was hovering. The tooltip still names it, and a |
| 4998 | // tooltip is not worth a repaint. |
| 4999 | return [ |
| 5000 | s.name, |
| 5001 | s.windows.length, |
| 5002 | s.attached, |
| 5003 | selected, |
| 5004 | selected ? null : a?.state, |
| 5005 | selected ? null : agentLabel(a), |
| 5006 | ]; |
| 5007 | }), |
| 5008 | ); |
| 5009 | if (strip.dataset.sig !== sig) { |
| 5010 | strip.dataset.sig = sig; |
| 5011 | strip.textContent = ""; |
| 5012 | for (const s of sessions) { |
| 5013 | strip.appendChild(sessionTab(s, s.name === current, claude[s.name])); |
| 5014 | } |
| 5015 | } |
| 5016 | |
| 5017 | syncSpinner(); |
| 5018 | |
| 5019 | const active = strip.querySelector('[aria-selected="true"]'); |
| 5020 | // A narrow panel scrolls this row too, and the session you are on is the one |
| 5021 | // that has to stay in sight. |
| 5022 | if (active) active.scrollIntoView({ block: "nearest", inline: "nearest" }); |
| 5023 | } |
| 5024 | |
| 5025 | /** |
| 5026 | * @param {TbAgent[]} agents |
| 5027 | * @returns {Record<string, TbAgent>} session name → the one worth reporting |
| 5028 | */ |
| 5029 | function agentBySession(agents) { |
| 5030 | /** @type {Record<string, TbAgent>} */ |
| 5031 | const out = {}; |
| 5032 | for (const a of agents) { |
| 5033 | const seen = out[a.session]; |
| 5034 | if (!seen || AGENT_RANK.indexOf(a.state) < AGENT_RANK.indexOf(seen.state)) { |
| 5035 | out[a.session] = a; |
| 5036 | } |
| 5037 | } |
| 5038 | return out; |
| 5039 | } |
| 5040 | |
| 5041 | /** |
| 5042 | * @param {TbSessionInfo} s |
| 5043 | * @param {boolean} selected |
| 5044 | * @param {TbAgent} [claude] the agent worth reporting anywhere in this session |
| 5045 | */ |
| 5046 | function sessionTab(s, selected, claude) { |
| 5047 | const linked = tabPinMark({ session: s.name, window: null }); |
| 5048 | const tab = button( |
| 5049 | { |
| 5050 | class: |
| 5051 | `session-tab${s.attached && !selected ? " attached" : ""}` + |
| 5052 | `${linked ? " tab-linked" : ""}`, |
| 5053 | attrs: { role: "tab", "aria-selected": selected }, |
| 5054 | data: { session: s.name }, |
| 5055 | // No window count on the tab. The row below it *is* the count for the |
| 5056 | // session you are on, and for the others the number was never the thing |
| 5057 | // you were choosing by — the name is. It stays in the tooltip. |
| 5058 | title: tip( |
| 5059 | `session ${s.name}`, |
| 5060 | `${s.windows.length} window${s.windows.length === 1 ? "" : "s"}`, |
| 5061 | s.attached && !selected && "attached elsewhere", |
| 5062 | claude && `claude ${claude.state} — ${agentLabel(claude)}`, |
| 5063 | linked && PIN_SOURCE_NOTE[linked], |
| 5064 | ), |
| 5065 | on: { |
| 5066 | click: () => { |
| 5067 | // Moves the existing client: no reconnect, no second pty, and whatever |
| 5068 | // is running in the session we leave keeps running. |
| 5069 | if (!selected) tmuxCommand({ cmd: "switch", session: s.name }); |
| 5070 | term.focus(); |
| 5071 | }, |
| 5072 | // The nested layout has no group chip, so this is the only place a |
| 5073 | // session-level pin can be reached from in it. |
| 5074 | /** @param {MouseEvent} e */ |
| 5075 | contextmenu: (e) => { |
| 5076 | e.preventDefault(); |
| 5077 | closeTabMenu(); |
| 5078 | const menu = el("div", { class: "tab-menu", attrs: { role: "menu" } }); |
| 5079 | pinMenuItems(menu, { session: s.name, window: null }); |
| 5080 | // Nothing to offer for a tab with neither an origin nor an id — a |
| 5081 | // browser page, say. An empty menu is worse than none. |
| 5082 | if (!menu.childElementCount) return; |
| 5083 | document.body.appendChild(menu); |
| 5084 | placeMenu(menu, e); |
| 5085 | }, |
| 5086 | }, |
| 5087 | }, |
| 5088 | // The glyph goes on a session you are not on and nowhere else. It reports the |
| 5089 | // loudest agent *anywhere* in the session, which is worth a light when the |
| 5090 | // windows it is summarising are out of sight — and is nothing but a second, |
| 5091 | // coarser copy of the window row when they are not. On the selected tab it |
| 5092 | // also sits an inch above a spinner saying the same thing about the same |
| 5093 | // Claude, animating out of step with it, which is the distracting part. |
| 5094 | !selected && glyphSpan(claude?.state), |
| 5095 | el("span", { class: "name", text: s.name }), |
| 5096 | ); |
| 5097 | makeDraggable(tab); |
| 5098 | return tab; |
| 5099 | } |
| 5100 | |
| 5101 | // --- new session ------------------------------------------------------------ |
| 5102 | // |
| 5103 | // A window can be created without asking — tmux names it after the directory — |
| 5104 | // but a session's name is its identity and the only handle you get on it from a |
| 5105 | // terminal, so this one is worth a prompt. Inline, because a modal would block |
| 5106 | // this page's message handler while the socket keeps delivering frames. |
| 5107 | |
| 5108 | function hideSessionInput() { |
| 5109 | const input = $input("session-name"); |
| 5110 | input.hidden = true; |
| 5111 | input.value = ""; |
| 5112 | } |
| 5113 | |
| 5114 | /** The field, wherever `applyTabMode` has put it: the session row in the nested |
| 5115 | layout, the tab row in groups mode, where "+"'s menu is what opens it. */ |
| 5116 | function showSessionInput() { |
| 5117 | const input = $input("session-name"); |
| 5118 | input.hidden = false; |
| 5119 | input.focus(); |
| 5120 | } |
| 5121 | |
| 5122 | $("session-new").addEventListener("click", showSessionInput); |
| 5123 | |
| 5124 | $input("session-name").addEventListener("keydown", (e) => { |
| 5125 | const key = /** @type {KeyboardEvent} */ (e).key; |
| 5126 | if (key === "Escape") { |
| 5127 | hideSessionInput(); |
| 5128 | term.focus(); |
| 5129 | return; |
| 5130 | } |
| 5131 | if (key !== "Enter") return; |
| 5132 | const name = $input("session-name").value.trim(); |
| 5133 | hideSessionInput(); |
| 5134 | // The daemon validates the name and ignores anything it doesn't like; `-A` |
| 5135 | // there means an existing name attaches rather than failing. |
| 5136 | if (name) tmuxCommand({ cmd: "create", session: name }); |
| 5137 | term.focus(); |
| 5138 | }); |
| 5139 | |
| 5140 | // Clicking away is a cancel: the input is only ever one keystroke from being |
| 5141 | // re-opened, and a stray text box in the tab row is worse than a lost name. |
| 5142 | $input("session-name").addEventListener("blur", hideSessionInput); |
| 5143 | |
| 5144 | /* --- the working spinner --------------------------------------------------- |
| 5145 | Claude Code's own asterisk cycle, so a tab that is thinking looks like the |
| 5146 | transcript that is thinking. The frames grow and shrink rather than spin: |
| 5147 | a dot swelling to a full asterisk and back, which reads as activity at |
| 5148 | 10px where a rotating glyph would just shimmer. */ |
| 5149 | const SPINNER_FRAMES = ["·", "✢", "✳", "∗", "✻", "✽", "✻", "∗", "✳", "✢"]; |
| 5150 | /** What a tab shows when it is not mid-cycle. */ |
| 5151 | /** @type {Record<string, string>} */ |
| 5152 | // `ready` and `idle` are the same glyph on purpose: the shape says "Claude is |
| 5153 | // at rest here", and only the colour says whether that rest is news to you. |
| 5154 | const STATIC_GLYPH = { waiting: "✳", ready: "✻", idle: "✻", unknown: "·", none: "" }; |
| 5155 | const SPINNER_MS = 130; |
| 5156 | |
| 5157 | const reducedMotion = matchMedia("(prefers-reduced-motion: reduce)"); |
| 5158 | let spinnerStep = 0; |
| 5159 | /** @type {number | undefined} */ |
| 5160 | let spinnerTimer; |
| 5161 | |
| 5162 | // Reduced motion keeps the glyph — the tab still says "working" — and parks it |
| 5163 | // on the frame the animation spends the most time looking like. |
| 5164 | function spinnerGlyph() { |
| 5165 | return reducedMotion.matches ? "✻" : SPINNER_FRAMES[spinnerStep % SPINNER_FRAMES.length]; |
| 5166 | } |
| 5167 | |
| 5168 | /** |
| 5169 | * One timer for the whole strip, running only while something is working, so |
| 5170 | * an idle panel is not repainting four times a second forever. Repaints touch |
| 5171 | * textContent only: renderTabs owns the elements and skips its rebuild whenever |
| 5172 | * the signature is unchanged, so the spinner never fights it. |
| 5173 | */ |
| 5174 | function syncSpinner() { |
| 5175 | const working = document.querySelectorAll("header .glyph.working"); |
| 5176 | if (!working.length || reducedMotion.matches) { |
| 5177 | clearInterval(spinnerTimer); |
| 5178 | spinnerTimer = undefined; |
| 5179 | return; |
| 5180 | } |
| 5181 | if (spinnerTimer !== undefined) return; |
| 5182 | spinnerTimer = setInterval(() => { |
| 5183 | spinnerStep++; |
| 5184 | const frame = spinnerGlyph(); |
| 5185 | const live = document.querySelectorAll("header .glyph.working"); |
| 5186 | if (!live.length) return syncSpinner(); |
| 5187 | for (const el of live) el.textContent = frame; |
| 5188 | }, SPINNER_MS); |
| 5189 | } |
| 5190 | |
| 5191 | // Turning the preference on mid-run has to stop the timer and settle the |
| 5192 | // glyphs where they are, not leave them frozen on whatever frame was up. |
| 5193 | reducedMotion.addEventListener("change", () => { |
| 5194 | const frame = spinnerGlyph(); |
| 5195 | for (const el of document.querySelectorAll("header .glyph.working")) el.textContent = frame; |
| 5196 | syncSpinner(); |
| 5197 | }); |
| 5198 | |
| 5199 | // A tooltip's worth of room, so show the most specific thing known: what it is |
| 5200 | // blocked on, what tool it is running, else the mode. |
| 5201 | // |
| 5202 | // Every value here comes from Claude Code's hook payloads by way of the daemon |
| 5203 | // — a user prompt, a tool name, a notification message — and is only ever |
| 5204 | // assigned through textContent/title, never parsed as markup. |
| 5205 | /** @param {TbAgent} [a] */ |
| 5206 | function agentLabel(a) { |
| 5207 | if (!a) return ""; |
| 5208 | if (a.state === "waiting") return a.message || "waiting"; |
| 5209 | if (a.state === "working") return a.tool || shortMode(a.mode) || "working"; |
| 5210 | if (a.state === "ready") return "finished its turn"; |
| 5211 | if (a.state === "unknown") return "no hook records — run: termbridge hooks"; |
| 5212 | return shortMode(a.mode) || "idle"; |
| 5213 | } |
| 5214 | |
| 5215 | /* --- action required ------------------------------------------------------- |
| 5216 | `ready` is an idle Claude in a pane that has not been on screen since it went |
| 5217 | idle — the daemon derives it (see `SEEN` in daemon/src/status.rs) and it |
| 5218 | arrives as a state like any other. It wears the same glyph as idle in a |
| 5219 | colour that is not grey, which is the smallest thing that reads as "come back |
| 5220 | to this" without inventing a second vocabulary. |
| 5221 | |
| 5222 | It is the daemon's to know rather than this panel's because tmux is what |
| 5223 | knows which pane is in front of you, and because two panels on one server |
| 5224 | should not each keep a private opinion about the same window. */ |
| 5225 | |
| 5226 | // permission_mode arrives camelCased, straight from Claude's hook payload. |
| 5227 | /** @type {Record<string, string>} */ |
| 5228 | const MODE_SHORT = { |
| 5229 | default: "idle", |
| 5230 | acceptEdits: "accept edits", |
| 5231 | plan: "plan", |
| 5232 | bypassPermissions: "bypass", |
| 5233 | }; |
| 5234 | |
| 5235 | /** @param {string | null | undefined} mode */ |
| 5236 | function shortMode(mode) { |
| 5237 | if (!mode) return ""; |
| 5238 | return MODE_SHORT[mode] ?? mode; |
| 5239 | } |
| 5240 | |
| 5241 | // A model id is `claude-opus-4-1-20250805` or similar — a version and a date |
| 5242 | // the omnibar has no room for and the user did not ask about. The family name |
| 5243 | // is the one part of it that answers "which model", so that is all this pulls |
| 5244 | // out. |
| 5245 | /** @param {string | null | undefined} model */ |
| 5246 | function modelFamily(model) { |
| 5247 | if (!model) return null; |
| 5248 | const m = model.toLowerCase(); |
| 5249 | if (m.includes("opus")) return "opus"; |
| 5250 | if (m.includes("sonnet")) return "sonnet"; |
| 5251 | if (m.includes("haiku")) return "haiku"; |
| 5252 | return null; |
| 5253 | } |
| 5254 | |
| 5255 | /** @param {TbOkFrame} msg */ |
| 5256 | function renderSessions(msg) { |
| 5257 | if (!msg.tmux) return; |
| 5258 | const names = msg.sessions ?? []; |
| 5259 | const list = $("session-list"); |
| 5260 | list.textContent = ""; |
| 5261 | for (const name of names) list.appendChild(el("option", { attrs: { value: name } })); |
| 5262 | $input("session").placeholder = msg.defaultSession ?? defaultSession; |
| 5263 | if (names.length) log(`tmux sessions: ${names.join(", ")}`); |
| 5264 | } |
| 5265 | |
| 5266 | $("session-apply").addEventListener("click", () => { |
| 5267 | const name = $input("session").value.trim(); |
| 5268 | storage.set({ session: name }); |
| 5269 | // Connected, this creates-or-attaches and moves the live client — the field |
| 5270 | // is how you reach a session that doesn't exist yet, which the header's |
| 5271 | // switcher (existing sessions only) can't do. Disconnected, it's the session |
| 5272 | // the next connection opens with. |
| 5273 | if (connected && name) { |
| 5274 | tmuxCommand({ cmd: "create", session: name }); |
| 5275 | closeSettings(); |
| 5276 | term.focus(); |
| 5277 | return; |
| 5278 | } |
| 5279 | connect(); |
| 5280 | }); |
| 5281 | |
| 5282 | // --- element picker --------------------------------------------------------- |
| 5283 | // |
| 5284 | // Everything the picker returns is page-controlled data. It is displayed, and |
| 5285 | // it only reaches the terminal when the user explicitly clicks "insert" — and |
| 5286 | // then only after Sanitize.forTerminal has stripped control characters and |
| 5287 | // shell-quoted it. |
| 5288 | |
| 5289 | let picked = /** @type {TbPicked | null} */ (null); |
| 5290 | |
| 5291 | /** Why the panel is open, kept so switching format doesn't erase it. */ |
| 5292 | let pickedProblem = ""; |
| 5293 | |
| 5294 | // XPath by default: it always exists, it addresses exactly one node, and it |
| 5295 | // survives the class-name churn that a CSS selector built from a framework's |
| 5296 | // generated class names does not. |
| 5297 | let pickedFormat = /** @type {TbPickedFormat} */ ("xpath"); |
| 5298 | |
| 5299 | // Ordered by how often they're the one you want. |
| 5300 | /** @type {[TbPickedFormat, string][]} */ |
| 5301 | const FORMATS = [ |
| 5302 | ["xpath", "XPath"], |
| 5303 | ["css", "CSS"], |
| 5304 | ["id", "id"], |
| 5305 | ["testid", "test id"], |
| 5306 | ["text", "text"], |
| 5307 | ["href", "href"], |
| 5308 | ]; |
| 5309 | |
| 5310 | /** |
| 5311 | * The tabs a pick should run in. Normally one; in a split view, both halves, |
| 5312 | * because only one of the two visible tabs is ever `active` and the other is |
| 5313 | * just as clickable. See lib/split.js. |
| 5314 | * |
| 5315 | * @returns {Promise<{ tab: TbTab | undefined; targets: TbTab[] }>} |
| 5316 | */ |
| 5317 | async function pickTargets() { |
| 5318 | const [tab] = await api.tabs.query({ active: true, currentWindow: true }); |
| 5319 | if (!tab || SKIP_URL.test(tab.url ?? "")) return { tab, targets: [] }; |
| 5320 | const targets = (await Split.pickTargets(api, tab)).filter((t) => !SKIP_URL.test(t.url ?? "")); |
| 5321 | return { tab, targets }; |
| 5322 | } |
| 5323 | |
| 5324 | /** |
| 5325 | * `https://example.com/*` — the narrowest pattern that covers this page. |
| 5326 | * @param {string | undefined} url |
| 5327 | */ |
| 5328 | function originPattern(url) { |
| 5329 | if (!url) return null; |
| 5330 | try { |
| 5331 | return `${new URL(url).origin}/*`; |
| 5332 | } catch { |
| 5333 | return null; |
| 5334 | } |
| 5335 | } |
| 5336 | |
| 5337 | /** |
| 5338 | * @param {string} text |
| 5339 | * @param {string} [bad] a warning to show alongside it |
| 5340 | */ |
| 5341 | function pickNote(text, bad) { |
| 5342 | // Loud enough to notice without opening the log: the picker failing silently |
| 5343 | // is the whole reason this feature felt broken. |
| 5344 | $("picked").hidden = false; |
| 5345 | $("picked-value").textContent = text; |
| 5346 | $("picked-warn").hidden = !bad; |
| 5347 | $("picked-warn").textContent = bad ?? ""; |
| 5348 | $("picked-grant").hidden = true; |
| 5349 | log(text); |
| 5350 | } |
| 5351 | |
| 5352 | /** |
| 5353 | * Offer a per-site grant rather than shipping a blanket <all_urls> permission. |
| 5354 | * |
| 5355 | * localhost is granted up front because it's your own machine; everything else |
| 5356 | * is opt-in, one origin at a time, via a prompt the browser shows. |
| 5357 | * |
| 5358 | * @param {string} pattern |
| 5359 | * @param {TbTab[]} targets the tabs the pick would run in |
| 5360 | */ |
| 5361 | function offerGrant(pattern, targets) { |
| 5362 | $("picked").hidden = false; |
| 5363 | $("picked-value").textContent = `No access to ${pattern}`; |
| 5364 | $("picked-warn").hidden = false; |
| 5365 | $("picked-warn").textContent = |
| 5366 | "Grant access to this site, or use Alt+Shift+P which needs no permission."; |
| 5367 | const btn = $("picked-grant"); |
| 5368 | btn.hidden = false; |
| 5369 | btn.textContent = `Allow ${pattern}`; |
| 5370 | btn.onclick = async () => { |
| 5371 | // Must be called from a user gesture, which this click is. |
| 5372 | const granted = await api.permissions.request({ origins: [pattern] }); |
| 5373 | if (granted) { |
| 5374 | btn.hidden = true; |
| 5375 | log(`granted ${pattern}`); |
| 5376 | runPick(targets); |
| 5377 | } else { |
| 5378 | log(`declined ${pattern}`); |
| 5379 | } |
| 5380 | }; |
| 5381 | } |
| 5382 | |
| 5383 | /** |
| 5384 | * The capture the picker wants is the one permission a per-origin grant cannot |
| 5385 | * buy. `tabs.captureVisibleTab` accepts exactly two things: the `activeTab` |
| 5386 | * grant a keyboard command mints, or a host permission set that contains the |
| 5387 | * literal `<all_urls>` pattern. A per-origin grant fails the check, and so does |
| 5388 | * the all-scheme-wildcard pattern in optional_host_permissions, which misses |
| 5389 | * `file:` and so isn't "all". That is why picking from the panel button used to |
| 5390 | * hand back a selector and no image on every site you'd approved. |
| 5391 | * |
| 5392 | * @param {string} reason the failure copyPickedShot reported |
| 5393 | */ |
| 5394 | function isCapturePermissionError(reason) { |
| 5395 | return /all_urls|activeTab/i.test(reason); |
| 5396 | } |
| 5397 | |
| 5398 | /** |
| 5399 | * Offer the one grant that makes the panel button capture, alongside a pick |
| 5400 | * that already succeeded. Screenshots stay opt-in: nothing here is requested |
| 5401 | * until the button is pressed, and Alt+Shift+P keeps working without it. |
| 5402 | * |
| 5403 | * @param {string} reason |
| 5404 | */ |
| 5405 | function offerCaptureGrant(reason) { |
| 5406 | const btn = /** @type {HTMLButtonElement} */ ($("picked-grant")); |
| 5407 | btn.hidden = false; |
| 5408 | btn.textContent = "Allow screenshots on all sites"; |
| 5409 | btn.onclick = async () => { |
| 5410 | // Must be called from a user gesture, which this click is. |
| 5411 | const granted = await api.permissions.request({ origins: ["<all_urls>"] }); |
| 5412 | if (!granted) { |
| 5413 | log("declined <all_urls>"); |
| 5414 | return; |
| 5415 | } |
| 5416 | btn.hidden = true; |
| 5417 | log("granted <all_urls>"); |
| 5418 | // The shot that prompted this is long gone from the viewport's timeline; |
| 5419 | // re-picking is the honest way to get one, so say so rather than silently |
| 5420 | // leaving the old warning up. |
| 5421 | pickedProblem = "Screenshots are on. Pick again to get one."; |
| 5422 | refreshPicked(); |
| 5423 | }; |
| 5424 | log(`screenshot needs <all_urls>: ${reason}`); |
| 5425 | } |
| 5426 | |
| 5427 | const SKIP_URL = /^(chrome|about|edge|moz-extension|chrome-extension|view-source|devtools):/; |
| 5428 | |
| 5429 | // The tabs a pick is currently running in — more than one in a split view. |
| 5430 | // Empty means no pick is running, which is also the "is picking" flag. |
| 5431 | let pickTabs = /** @type {number[]} */ ([]); |
| 5432 | |
| 5433 | /** |
| 5434 | * Cancel an in-flight pick, in every half it is running in. |
| 5435 | */ |
| 5436 | async function cancelPick() { |
| 5437 | if (!pickTabs.length) return; |
| 5438 | await Split.cancelPicks(api, pickTabs); |
| 5439 | } |
| 5440 | |
| 5441 | /** |
| 5442 | * Run a pick across `targets`. Returns true on success, or a message explaining |
| 5443 | * why every injection failed. |
| 5444 | * |
| 5445 | * @param {TbTab[]} targets |
| 5446 | * @returns {Promise<true | string>} |
| 5447 | */ |
| 5448 | async function runPick(targets) { |
| 5449 | const btn = $("pick"); |
| 5450 | pickTabs = []; |
| 5451 | for (const t of targets) if (t.id != null) pickTabs.push(t.id); |
| 5452 | btn.classList.add("active"); |
| 5453 | setStatus("pending", "pick mode — click an element, Esc cancels"); |
| 5454 | try { |
| 5455 | const { tabId, value, error } = await Split.racePick(api, targets, tbPickElement); |
| 5456 | if (value) { |
| 5457 | const shot = await Shot.copyPickedShot(api, tabId, value); |
| 5458 | await deliverPick(value, shot); |
| 5459 | } else if (error) { |
| 5460 | return error; |
| 5461 | } else log("pick cancelled"); |
| 5462 | return true; |
| 5463 | } catch (e) { |
| 5464 | return e instanceof Error ? e.message : String(e); |
| 5465 | } finally { |
| 5466 | pickTabs = []; |
| 5467 | btn.classList.remove("active"); |
| 5468 | refreshStatus(); |
| 5469 | } |
| 5470 | } |
| 5471 | |
| 5472 | $("pick").addEventListener("click", async () => { |
| 5473 | // Second press toggles it back off rather than doing nothing. |
| 5474 | if (pickTabs.length) { |
| 5475 | await cancelPick(); |
| 5476 | return; |
| 5477 | } |
| 5478 | |
| 5479 | const { tab, targets } = await pickTargets(); |
| 5480 | if (!targets.length) { |
| 5481 | pickNote( |
| 5482 | "Can't pick here.", |
| 5483 | "Browser-internal and extension pages are off limits to all extensions. Switch to a normal web page.", |
| 5484 | ); |
| 5485 | return; |
| 5486 | } |
| 5487 | |
| 5488 | setStatus("pending", "pick mode — click an element, Esc cancels"); |
| 5489 | const outcome = await runPick(targets); |
| 5490 | if (outcome === true) return; |
| 5491 | |
| 5492 | // The failure is nearly always a missing host permission for this origin. |
| 5493 | const pattern = originPattern(tab?.url); |
| 5494 | if (pattern && /permission|access/i.test(outcome)) { |
| 5495 | offerGrant(pattern, targets); |
| 5496 | } else { |
| 5497 | pickNote("Couldn't reach the page.", `Try Alt+Shift+P instead. [${outcome}]`); |
| 5498 | } |
| 5499 | }); |
| 5500 | |
| 5501 | // --- mobile device emulation -------------------------------------------- |
| 5502 | // |
| 5503 | // DevTools' own device toolbar, reachable from here: chrome.debugger is the |
| 5504 | // only extension-facing way to drive the CDP Emulation domain, and there is |
| 5505 | // no Firefox equivalent, so api.debugger is both the permission gate and the |
| 5506 | // feature gate. See the "debugger" bullet in README's Security model for why |
| 5507 | // this is the one standing, non-revocable permission in this codebase. |
| 5508 | |
| 5509 | /** A DevTools-ish default: iPhone 12/13-class viewport, in each orientation. */ |
| 5510 | const MOBILE_DEVICE_METRICS = { |
| 5511 | portrait: { |
| 5512 | width: 390, |
| 5513 | height: 844, |
| 5514 | deviceScaleFactor: 3, |
| 5515 | mobile: true, |
| 5516 | screenOrientation: { type: "portraitPrimary", angle: 0 }, |
| 5517 | }, |
| 5518 | landscape: { |
| 5519 | width: 844, |
| 5520 | height: 390, |
| 5521 | deviceScaleFactor: 3, |
| 5522 | mobile: true, |
| 5523 | screenOrientation: { type: "landscapePrimary", angle: 90 }, |
| 5524 | }, |
| 5525 | }; |
| 5526 | const MOBILE_UA = |
| 5527 | "Mozilla/5.0 (iPhone; CPU iPhone OS 17_0 like Mac OS X) AppleWebKit/605.1.15 " + |
| 5528 | "(KHTML, like Gecko) Version/17.0 Mobile/15E148 Safari/604.1"; |
| 5529 | |
| 5530 | /** |
| 5531 | * Tabs currently under CDP device-metrics override, and which orientation |
| 5532 | * each is showing. One button drives all three states: off -> portrait -> |
| 5533 | * landscape -> off. |
| 5534 | * @type {Map<number, "portrait" | "landscape">} |
| 5535 | */ |
| 5536 | const emulating = new Map(); |
| 5537 | |
| 5538 | /** |
| 5539 | * Apply a metrics override and force a repaint against it. Blink does not |
| 5540 | * reliably repaint on a metrics change alone — without the synthetic resize |
| 5541 | * below, a rotate can leave the page painted at the old size until something |
| 5542 | * external forces a layout pass. DevTools' own device toolbar never hits |
| 5543 | * this: resizing its panel is the forcing function this dispatches by hand |
| 5544 | * instead. |
| 5545 | * @param {number} tabId |
| 5546 | * @param {typeof MOBILE_DEVICE_METRICS.portrait} metrics |
| 5547 | */ |
| 5548 | async function applyDeviceMetrics(tabId, metrics) { |
| 5549 | if (!api.debugger) return; |
| 5550 | await api.debugger.sendCommand({ tabId }, "Emulation.setDeviceMetricsOverride", metrics); |
| 5551 | await api.debugger |
| 5552 | .sendCommand({ tabId }, "Runtime.evaluate", { |
| 5553 | expression: "window.dispatchEvent(new Event('resize'))", |
| 5554 | }) |
| 5555 | .catch(() => {}); |
| 5556 | } |
| 5557 | |
| 5558 | /** |
| 5559 | * Undo the on-sequence and drop the CDP session. |
| 5560 | * @param {number} tabId |
| 5561 | */ |
| 5562 | async function stopEmulating(tabId) { |
| 5563 | if (!api.debugger) return; |
| 5564 | await api.debugger |
| 5565 | .sendCommand({ tabId }, "Emulation.clearDeviceMetricsOverride") |
| 5566 | .catch(() => {}); |
| 5567 | await api.debugger |
| 5568 | .sendCommand({ tabId }, "Emulation.setTouchEmulationEnabled", { enabled: false }) |
| 5569 | .catch(() => {}); |
| 5570 | await api.debugger |
| 5571 | .sendCommand({ tabId }, "Runtime.evaluate", { |
| 5572 | expression: "window.dispatchEvent(new Event('resize'))", |
| 5573 | }) |
| 5574 | .catch(() => {}); |
| 5575 | await api.debugger.detach({ tabId }).catch(() => {}); |
| 5576 | } |
| 5577 | |
| 5578 | /** |
| 5579 | * Reflect the tracked tab's place in the off/portrait/landscape cycle, or |
| 5580 | * that the feature does not exist at all here — Firefox has no api.debugger, |
| 5581 | * so the button just stays off permanently rather than failing on click. |
| 5582 | */ |
| 5583 | function syncDeviceToggle() { |
| 5584 | const btn = /** @type {HTMLButtonElement} */ ($("device-toggle")); |
| 5585 | if (!api.debugger) { |
| 5586 | btn.disabled = true; |
| 5587 | btn.title = "Mobile emulation needs Chrome's debugger API — not available in Firefox"; |
| 5588 | return; |
| 5589 | } |
| 5590 | const orientation = browserTab.id != null ? emulating.get(browserTab.id) : undefined; |
| 5591 | btn.classList.toggle("active", orientation != null); |
| 5592 | btn.title = |
| 5593 | orientation === "portrait" |
| 5594 | ? "Rotate to landscape (click again to turn off)" |
| 5595 | : orientation === "landscape" |
| 5596 | ? "Turn off mobile emulation" |
| 5597 | : "Emulate a mobile device on this tab"; |
| 5598 | } |
| 5599 | |
| 5600 | $("device-toggle").addEventListener("click", async () => { |
| 5601 | if (!api.debugger) return; |
| 5602 | const tabId = browserTab.id; |
| 5603 | if (tabId == null) return; |
| 5604 | |
| 5605 | const orientation = emulating.get(tabId); |
| 5606 | if (orientation === "landscape") { |
| 5607 | await stopEmulating(tabId); |
| 5608 | emulating.delete(tabId); |
| 5609 | syncDeviceToggle(); |
| 5610 | return; |
| 5611 | } |
| 5612 | if (orientation === "portrait") { |
| 5613 | await applyDeviceMetrics(tabId, MOBILE_DEVICE_METRICS.landscape); |
| 5614 | emulating.set(tabId, "landscape"); |
| 5615 | syncDeviceToggle(); |
| 5616 | return; |
| 5617 | } |
| 5618 | |
| 5619 | if (SKIP_URL.test(browserTab.url ?? "")) { |
| 5620 | log("Can't emulate here — browser-internal and extension pages are off limits."); |
| 5621 | return; |
| 5622 | } |
| 5623 | |
| 5624 | try { |
| 5625 | await api.debugger.attach({ tabId }, "1.3"); |
| 5626 | } catch (e) { |
| 5627 | log(`Mobile toggle: ${e instanceof Error ? e.message : e}`); |
| 5628 | return; |
| 5629 | } |
| 5630 | try { |
| 5631 | await applyDeviceMetrics(tabId, MOBILE_DEVICE_METRICS.portrait); |
| 5632 | // Deprecated in the CDP spec (setDeviceMetricsOverride's `mobile` flag now |
| 5633 | // implies touch), but DevTools' own device toolbar still sends it, so kept |
| 5634 | // for parity. |
| 5635 | await api.debugger.sendCommand({ tabId }, "Emulation.setTouchEmulationEnabled", { enabled: true }); |
| 5636 | await api.debugger.sendCommand({ tabId }, "Emulation.setUserAgentOverride", { userAgent: MOBILE_UA }); |
| 5637 | } catch (e) { |
| 5638 | // Never leave a half-configured session attached. |
| 5639 | await stopEmulating(tabId); |
| 5640 | log(`Mobile toggle: ${e instanceof Error ? e.message : e}`); |
| 5641 | return; |
| 5642 | } |
| 5643 | emulating.set(tabId, "portrait"); |
| 5644 | syncDeviceToggle(); |
| 5645 | }); |
| 5646 | |
| 5647 | // Fires when the session ends without our own detach() call: the tab closed, |
| 5648 | // or the user dismissed Chrome's debugging infobar themselves. Either way the |
| 5649 | // button has gone stale and has to resync. |
| 5650 | api.debugger?.onDetach.addListener((source) => { |
| 5651 | if (source.tabId == null) return; |
| 5652 | emulating.delete(source.tabId); |
| 5653 | syncDeviceToggle(); |
| 5654 | }); |
| 5655 | |
| 5656 | // Escape from the sidebar too. The picker handles Escape itself, but only when |
| 5657 | // the page has keyboard focus — if you started the pick from here, focus is |
| 5658 | // still in the panel and the key never reaches the page. |
| 5659 | window.addEventListener("keydown", (e) => { |
| 5660 | // These work anywhere in the panel, not just with the terminal focused. |
| 5661 | // xterm.js consumes its own keydowns before they reach here, so it has its |
| 5662 | // own handler for them too. |
| 5663 | if (handlePanelKey(e)) return; |
| 5664 | if (e.key !== "Escape") return; |
| 5665 | if (openMenu) { |
| 5666 | e.preventDefault(); |
| 5667 | closeTabMenu(); |
| 5668 | return; |
| 5669 | } |
| 5670 | // After the menus, before the pick: a popup is the nearest thing open. |
| 5671 | if (settingsOpen) { |
| 5672 | e.preventDefault(); |
| 5673 | closeSettings(); |
| 5674 | term.focus(); |
| 5675 | return; |
| 5676 | } |
| 5677 | if (pickTabs.length) { |
| 5678 | e.preventDefault(); |
| 5679 | cancelPick(); |
| 5680 | return; |
| 5681 | } |
| 5682 | // A pick the keyboard shortcut started belongs to the worker, and this panel |
| 5683 | // has no record of it. Ask; the worker ignores it when nothing is picking. |
| 5684 | togglePort?.postMessage({ type: "cancel-pick" }); |
| 5685 | }); |
| 5686 | |
| 5687 | // Results arriving from the background worker (the keyboard-shortcut path). |
| 5688 | // |
| 5689 | // Guarded: content scripts always have `sender.tab` set, so rejecting those |
| 5690 | // leaves only our own extension pages and worker. This is the one inbound |
| 5691 | // message path in the sidebar, and it exists solely because the shortcut has to |
| 5692 | // be handled in the background. |
| 5693 | api.runtime.onMessage.addListener((msg, sender) => { |
| 5694 | if (sender?.id !== api.runtime.id) return; |
| 5695 | if (sender?.tab) return; |
| 5696 | if (msg?.type === "picked" && msg.value) { |
| 5697 | // The worker owns the screenshot on this path: it holds the activeTab |
| 5698 | // grant the shortcut just minted, and the clipboard write has to happen |
| 5699 | // while the page it captured is still the focused one. |
| 5700 | deliverPick(msg.value, msg.shot === true ? true : msg.shot || "not captured"); |
| 5701 | } |
| 5702 | }); |
| 5703 | |
| 5704 | // The shortcut half of the port described in sw.js: while this document is |
| 5705 | // alive it stays connected and reports whether it holds focus, so the worker |
| 5706 | // can decide between open, focus and close without asking first. |
| 5707 | // Only the three commands below arrive here; nothing on this port touches the |
| 5708 | // WebSocket. |
| 5709 | /** @type {TbPort | null} */ |
| 5710 | let togglePort = null; |
| 5711 | |
| 5712 | function connectToggle() { |
| 5713 | api.windows.getCurrent().then((win) => { |
| 5714 | // The same answer the tab pins need: which browser window this panel is |
| 5715 | // one of. Set here rather than in a second getCurrent() call, because this |
| 5716 | // one already runs at startup and the pins are useless without it. |
| 5717 | // |
| 5718 | // First connection only. Chrome retires an idle service worker and this |
| 5719 | // runs again a second later, and re-running the whole follow on each of |
| 5720 | // those would keep re-deciding a question the tab has not re-asked. |
| 5721 | const first = panelWindowId == null; |
| 5722 | panelWindowId = win.id; |
| 5723 | if (first) syncTabPin(); |
| 5724 | const port = api.runtime.connect({ name: "sidebar" }); |
| 5725 | togglePort = port; |
| 5726 | port.postMessage({ type: "hello", windowId: win.id, focused: document.hasFocus() }); |
| 5727 | port.onMessage.addListener((msg) => { |
| 5728 | if (msg?.type === "close") window.close(); |
| 5729 | else if (msg?.type === "focus") term.focus(); |
| 5730 | // A browser command rather than a key this page listens for, so the |
| 5731 | // binding is the browser's to own: it shows up in chrome://extensions/ |
| 5732 | // shortcuts with the other two and can be rebound or cleared there. A |
| 5733 | // hardcoded keydown here would keep firing on the old key afterwards. |
| 5734 | else if (msg?.type === "omnibar") focusOmni(); |
| 5735 | }); |
| 5736 | port.onDisconnect.addListener(() => { |
| 5737 | // Chrome may retire an idle service worker under us. Nothing here is |
| 5738 | // urgent, so reconnect lazily rather than fighting for the port. |
| 5739 | if (togglePort === port) togglePort = null; |
| 5740 | setTimeout(connectToggle, 1000); |
| 5741 | }); |
| 5742 | }); |
| 5743 | } |
| 5744 | |
| 5745 | const reportFocus = () => togglePort?.postMessage({ type: "focus", focused: document.hasFocus() }); |
| 5746 | window.addEventListener("focus", reportFocus); |
| 5747 | window.addEventListener("blur", reportFocus); |
| 5748 | connectToggle(); |
| 5749 | // Sets the disabled state on Firefox immediately, ahead of the first tab |
| 5750 | // query resolving. |
| 5751 | syncDeviceToggle(); |
| 5752 | |
| 5753 | // A pick made while the sidebar was closed is parked in storage. Nothing is |
| 5754 | // typed for these: the terminal has moved on, and whatever screenshot went with |
| 5755 | // it left the clipboard long ago. Show it and let the user decide. |
| 5756 | storage.get("pendingPick").then((v) => { |
| 5757 | if (v.pendingPick) { |
| 5758 | showPicked(v.pendingPick); |
| 5759 | storage.remove("pendingPick"); |
| 5760 | } |
| 5761 | }); |
| 5762 | |
| 5763 | function currentPickedRaw() { |
| 5764 | if (!picked) return ""; |
| 5765 | return picked[pickedFormat] ?? ""; |
| 5766 | } |
| 5767 | |
| 5768 | /** |
| 5769 | * Open the panel on a pick. Only called when the pick needs the user's |
| 5770 | * attention — see deliverPick. |
| 5771 | * |
| 5772 | * @param {TbPicked} value everything in here is page-controlled |
| 5773 | * @param {string} [problem] why the panel is opening |
| 5774 | */ |
| 5775 | function showPicked(value, problem) { |
| 5776 | picked = value; |
| 5777 | $("picked-warn").hidden = true; |
| 5778 | $("picked-grant").hidden = true; |
| 5779 | |
| 5780 | $("picked-tag").textContent = value.tag ? `<${value.tag}>` : "?"; |
| 5781 | $("picked-meta").textContent = value.text || value.href || value.pageUrl || ""; |
| 5782 | $("picked-meta").title = value.pageUrl || ""; |
| 5783 | |
| 5784 | // Only offer formats this element actually has — an empty tab is a dead end. |
| 5785 | const available = FORMATS.filter(([key]) => value[key]); |
| 5786 | if (!available.some(([key]) => key === pickedFormat)) { |
| 5787 | pickedFormat = available[0]?.[0] ?? "css"; |
| 5788 | } |
| 5789 | |
| 5790 | const bar = $("picked-formats"); |
| 5791 | bar.textContent = ""; |
| 5792 | for (const [key, label] of available) { |
| 5793 | const b = button({ |
| 5794 | text: label, |
| 5795 | attrs: { role: "tab", "aria-selected": key === pickedFormat }, |
| 5796 | on: { |
| 5797 | click: () => { |
| 5798 | pickedFormat = key; |
| 5799 | for (const other of bar.children) { |
| 5800 | other.setAttribute("aria-selected", String(other === b)); |
| 5801 | } |
| 5802 | refreshPicked(); |
| 5803 | }, |
| 5804 | }, |
| 5805 | }); |
| 5806 | bar.appendChild(b); |
| 5807 | } |
| 5808 | |
| 5809 | pickedProblem = problem ?? ""; |
| 5810 | $("picked").hidden = false; |
| 5811 | refreshPicked(); |
| 5812 | } |
| 5813 | |
| 5814 | function refreshPicked() { |
| 5815 | const raw = currentPickedRaw(); |
| 5816 | const el = $("picked-value"); |
| 5817 | el.textContent = raw || "not present on this element"; |
| 5818 | el.classList.toggle("empty", !raw); |
| 5819 | |
| 5820 | const { removedControl, truncated } = Sanitize.forTerminal(raw); |
| 5821 | const notes = []; |
| 5822 | if (removedControl) notes.push("control characters removed"); |
| 5823 | if (truncated) notes.push("truncated"); |
| 5824 | const warn = $("picked-warn"); |
| 5825 | const modified = notes.length ? `Modified before use: ${notes.join(", ")}.` : ""; |
| 5826 | warn.textContent = [pickedProblem, modified].filter(Boolean).join(" "); |
| 5827 | warn.hidden = !warn.textContent; |
| 5828 | |
| 5829 | /** @type {HTMLButtonElement} */ ($("picked-insert")).disabled = !raw; |
| 5830 | } |
| 5831 | |
| 5832 | $("picked-close").addEventListener("click", () => { |
| 5833 | $("picked").hidden = true; |
| 5834 | picked = null; |
| 5835 | }); |
| 5836 | |
| 5837 | $("picked-copy").addEventListener("click", async () => { |
| 5838 | await navigator.clipboard.writeText(Sanitize.forClipboard(currentPickedRaw())); |
| 5839 | log("copied to clipboard"); |
| 5840 | }); |
| 5841 | |
| 5842 | /** |
| 5843 | * Send the pick to the terminal: the screenshot first, then the selector. |
| 5844 | * |
| 5845 | * The screenshot is already on the system clipboard by the time this runs, so |
| 5846 | * "sending" it is a literal ^V. That byte is not a paste as far as this panel |
| 5847 | * is concerned — xterm.js never sees it — it goes down the wire, and an agent |
| 5848 | * on the other end that handles image paste (Claude Code does) reads the |
| 5849 | * clipboard itself and attaches the PNG. In a bare shell ^V is literal-next |
| 5850 | * instead, which is why it is only sent when there is an image to fetch. |
| 5851 | * |
| 5852 | * @param {boolean} withShot |
| 5853 | */ |
| 5854 | async function insertPicked(withShot) { |
| 5855 | if (!connected || !ws) { |
| 5856 | log("not connected"); |
| 5857 | return; |
| 5858 | } |
| 5859 | const { text } = Sanitize.forTerminal(currentPickedRaw()); |
| 5860 | if (withShot) { |
| 5861 | ws.send(enc.encode("\x16")); |
| 5862 | // Reading the clipboard is a round trip out to a helper process on the |
| 5863 | // agent's side. Text sent in the same breath can arrive first and end up |
| 5864 | // ahead of the attachment on the line. |
| 5865 | await new Promise((r) => setTimeout(r, 250)); |
| 5866 | ws.send(enc.encode(" ")); |
| 5867 | } |
| 5868 | // No trailing newline, ever. The user presses Enter themselves. |
| 5869 | ws.send(enc.encode(text)); |
| 5870 | term.focus(); |
| 5871 | log(withShot ? `inserted screenshot + ${text.length} chars` : `inserted ${text.length} chars`); |
| 5872 | } |
| 5873 | |
| 5874 | /** |
| 5875 | * What a fresh pick does: type it into the terminal, and stay out of the way. |
| 5876 | * |
| 5877 | * The panel is deliberately *not* opened on the happy path. It shifts the |
| 5878 | * terminal down the moment you pick something, which is a poor trade when the |
| 5879 | * result has already been typed where you were looking. It opens only when |
| 5880 | * there is something to decide — no connection, or no screenshot — and then it |
| 5881 | * carries the reason. |
| 5882 | * |
| 5883 | * @param {TbPicked} value page-controlled, all of it |
| 5884 | * @param {true | string} shot true, or why there is no screenshot |
| 5885 | */ |
| 5886 | async function deliverPick(value, shot) { |
| 5887 | picked = value; |
| 5888 | log(`picked ${value.tag} on ${value.pageUrl}`); |
| 5889 | log(shot === true ? "screenshot on clipboard, sending ^V" : `no screenshot: ${shot}`); |
| 5890 | |
| 5891 | const needsGrant = shot !== true && isCapturePermissionError(shot); |
| 5892 | |
| 5893 | if (!connected || !ws) { |
| 5894 | showPicked(value, "Not connected — nothing was typed."); |
| 5895 | if (needsGrant) offerCaptureGrant(shot); |
| 5896 | return; |
| 5897 | } |
| 5898 | await insertPicked(shot === true); |
| 5899 | if (shot !== true) { |
| 5900 | showPicked( |
| 5901 | value, |
| 5902 | needsGrant |
| 5903 | ? "Selector only. Screenshots from this button need access to all sites; Alt+Shift+P needs none." |
| 5904 | : `Selector only, no screenshot: ${shot}`, |
| 5905 | ); |
| 5906 | if (needsGrant) offerCaptureGrant(shot); |
| 5907 | } |
| 5908 | } |
| 5909 | |
| 5910 | $("picked-insert").addEventListener("click", () => insertPicked(false)); |
| 5911 | |
| 5912 | // Keystrokes out as binary, so nothing is lost to UTF-8 round-tripping. |
| 5913 | term.onData((data) => { |
| 5914 | if (connected && ws) ws.send(enc.encode(data)); |
| 5915 | }); |
| 5916 | term.onBinary((data) => { |
| 5917 | if (!connected || !ws) return; |
| 5918 | const buf = new Uint8Array(data.length); |
| 5919 | for (let i = 0; i < data.length; i++) buf[i] = data.charCodeAt(i) & 255; |
| 5920 | ws.send(buf); |
| 5921 | }); |
| 5922 | |
| 5923 | new ResizeObserver(() => { |
| 5924 | fit.fit(); |
| 5925 | sendSize(); |
| 5926 | }).observe($("term")); |
| 5927 | |
| 5928 | // --- settings / persistence ------------------------------------------------- |
| 5929 | |
| 5930 | const themeSelect = $select("theme-select"); |
| 5931 | themeSelect.addEventListener("change", () => setTheme(themeSelect.value)); |
| 5932 | const densitySelect = $select("density-select"); |
| 5933 | densitySelect.addEventListener("change", () => setDensity(densitySelect.value)); |
| 5934 | const tabModeSelect = $select("tabmode-select"); |
| 5935 | tabModeSelect.addEventListener("change", () => setTabMode(tabModeSelect.value)); |
| 5936 | const newTabSelect = $select("newtab-select"); |
| 5937 | newTabSelect.addEventListener("change", () => setNewTabAction(newTabSelect.value)); |
| 5938 | |
| 5939 | // The tab-pin switches. Pins are kept when the feature is turned off — you are |
| 5940 | // silencing it, not throwing away what you told it — so nothing here touches |
| 5941 | // `byTab` or `byOrigin`. |
| 5942 | const followBox = $input("follow-tabs"); |
| 5943 | const detectBox = $input("detect-portless"); |
| 5944 | const leadBox = $input("lead-tabs"); |
| 5945 | |
| 5946 | function applyTabPinSettings() { |
| 5947 | followBox.checked = tabPins.enabled; |
| 5948 | detectBox.checked = tabPins.detect; |
| 5949 | leadBox.checked = tabPins.reverse; |
| 5950 | // Both of these are subordinate clauses of the feature, and a live checkbox |
| 5951 | // that cannot do anything is a worse answer than a greyed-out one. |
| 5952 | detectBox.disabled = !tabPins.enabled; |
| 5953 | leadBox.disabled = !tabPins.enabled; |
| 5954 | } |
| 5955 | |
| 5956 | followBox.addEventListener("change", () => { |
| 5957 | saveTabPins({ ...tabPins, enabled: followBox.checked }); |
| 5958 | applyTabPinSettings(); |
| 5959 | }); |
| 5960 | detectBox.addEventListener("change", () => { |
| 5961 | saveTabPins({ ...tabPins, detect: detectBox.checked }); |
| 5962 | applyTabPinSettings(); |
| 5963 | }); |
| 5964 | leadBox.addEventListener("change", () => { |
| 5965 | saveTabPins({ ...tabPins, reverse: leadBox.checked }); |
| 5966 | applyTabPinSettings(); |
| 5967 | }); |
| 5968 | |
| 5969 | $("font-smaller").addEventListener("click", () => setFontSize(fontSize - 1)); |
| 5970 | $("font-bigger").addEventListener("click", () => setFontSize(fontSize + 1)); |
| 5971 | $("font-reset").addEventListener("click", () => setFontSize(FONT_DEFAULT)); |
| 5972 | |
| 5973 | // --- settings, as a popup --------------------------------------------------- |
| 5974 | // |
| 5975 | // A card hung off the chevron rather than a drawer at the foot of the panel: |
| 5976 | // the same shape Chrome gives the popup on the other end of that same chevron. |
| 5977 | // |
| 5978 | // Out of flow, which is the substantive part. As a flex item the panel sized |
| 5979 | // the terminal, so opening or closing it re-fit xterm.js and reflowed the |
| 5980 | // scrollback — you lost your place to change a font size. Floating over the |
| 5981 | // terminal, the terminal never moves. |
| 5982 | // |
| 5983 | // Not the tab menu's machinery, and not `openMenu`: those close on the first |
| 5984 | // pointerdown anywhere, which is right for a menu of one-shot actions and wrong |
| 5985 | // for a panel full of text fields you click into and drag across. |
| 5986 | |
| 5987 | /** Set while the popup is up, so the outside-click listener is only ever one. */ |
| 5988 | let settingsOpen = false; |
| 5989 | |
| 5990 | /** Put it under the chevron, folded back inside a panel too narrow for it. */ |
| 5991 | function placeSettings() { |
| 5992 | const pop = $("settings"); |
| 5993 | const anchor = $("settings-toggle").getBoundingClientRect(); |
| 5994 | const r = pop.getBoundingClientRect(); |
| 5995 | pop.style.left = `${Math.max(4, Math.min(anchor.left, window.innerWidth - r.width - 4))}px`; |
| 5996 | pop.style.top = `${Math.min(anchor.bottom + 5, Math.max(4, window.innerHeight - r.height - 4))}px`; |
| 5997 | } |
| 5998 | |
| 5999 | /** @param {PointerEvent | MouseEvent} e */ |
| 6000 | function onSettingsDismiss(e) { |
| 6001 | if (!(e.target instanceof Node)) return; |
| 6002 | // The chevron closes it through its own handler; swallowing the press here |
| 6003 | // would close and reopen it in the same click. |
| 6004 | if ($("settings").contains(e.target) || $("settings-toggle").contains(e.target)) return; |
| 6005 | closeSettings(); |
| 6006 | } |
| 6007 | |
| 6008 | function openSettings() { |
| 6009 | if (settingsOpen) return placeSettings(); |
| 6010 | settingsOpen = true; |
| 6011 | $("settings").hidden = false; |
| 6012 | $("settings-toggle").setAttribute("aria-expanded", "true"); |
| 6013 | placeSettings(); |
| 6014 | // A resize here is the sidebar being dragged wider or the window changing — |
| 6015 | // either moves the chevron, and the card has to go with it. |
| 6016 | window.addEventListener("resize", placeSettings); |
| 6017 | // Deferred by a tick so the click that opened it does not also dismiss it. |
| 6018 | setTimeout(() => { |
| 6019 | if (settingsOpen) window.addEventListener("pointerdown", onSettingsDismiss, true); |
| 6020 | }, 0); |
| 6021 | } |
| 6022 | |
| 6023 | function closeSettings() { |
| 6024 | if (!settingsOpen) return; |
| 6025 | settingsOpen = false; |
| 6026 | $("settings").hidden = true; |
| 6027 | $("settings-toggle").setAttribute("aria-expanded", "false"); |
| 6028 | window.removeEventListener("resize", placeSettings); |
| 6029 | window.removeEventListener("pointerdown", onSettingsDismiss, true); |
| 6030 | } |
| 6031 | |
| 6032 | $("settings-toggle").addEventListener("click", () => { |
| 6033 | if (settingsOpen) closeSettings(); |
| 6034 | else openSettings(); |
| 6035 | }); |
| 6036 | $("settings-close").addEventListener("click", () => { |
| 6037 | closeSettings(); |
| 6038 | term.focus(); |
| 6039 | }); |
| 6040 | $("reconnect").addEventListener("click", connect); |
| 6041 | $("connect").addEventListener("click", connect); |
| 6042 | $("offline-retry").addEventListener("click", connect); |
| 6043 | $("offline-settings").addEventListener("click", openSettings); |
| 6044 | $("trust-cert").addEventListener("click", () => { |
| 6045 | const u = new URL($input("url").value.trim()); |
| 6046 | api.tabs.create({ url: `https://${u.host}/` }); |
| 6047 | }); |
| 6048 | $("copy-origin").addEventListener("click", () => |
| 6049 | navigator.clipboard.writeText(`termbridge pair ${ORIGIN}`), |
| 6050 | ); |
| 6051 | const tokenInput = $input("token"); |
| 6052 | const urlInput = $input("url"); |
| 6053 | const revealBox = $input("reveal"); |
| 6054 | revealBox.addEventListener("change", () => { |
| 6055 | tokenInput.type = revealBox.checked ? "text" : "password"; |
| 6056 | }); |
| 6057 | tokenInput.addEventListener("change", () => |
| 6058 | storage.set({ token: tokenInput.value.trim() }), |
| 6059 | ); |
| 6060 | urlInput.addEventListener("change", () => storage.set({ url: urlInput.value.trim() })); |
| 6061 | |
| 6062 | /** Everything this panel remembers between openings. */ |
| 6063 | const STORED_KEYS = [ |
| 6064 | "token", |
| 6065 | "url", |
| 6066 | "session", |
| 6067 | "theme", |
| 6068 | "density", |
| 6069 | "fontSize", |
| 6070 | "pins", |
| 6071 | "sessionOrder", |
| 6072 | "tabMode", |
| 6073 | "newTabAction", |
| 6074 | "foldedGroups", |
| 6075 | Tabpin.KEY, |
| 6076 | ]; |
| 6077 | |
| 6078 | storage.get(STORED_KEYS).then((v) => { |
| 6079 | if (v.pins && typeof v.pins === "object") pins = v.pins; |
| 6080 | tabPins = Tabpin.loadStore(v[Tabpin.KEY]); |
| 6081 | applyTabPinSettings(); |
| 6082 | if (Array.isArray(v.foldedGroups)) { |
| 6083 | foldedGroups = new Set(v.foldedGroups.filter((n) => typeof n === "string")); |
| 6084 | } |
| 6085 | // Names, from storage this panel wrote — but storage is not a promise, so |
| 6086 | // anything that isn't a list of strings is dropped rather than trusted. |
| 6087 | if (Array.isArray(v.sessionOrder)) { |
| 6088 | sessionOrder = v.sessionOrder.filter((n) => typeof n === "string"); |
| 6089 | } |
| 6090 | themePref = Themes.PREFERENCES.includes(v.theme) ? v.theme : "auto"; |
| 6091 | density = DENSITIES[v.density] ? v.density : "normal"; |
| 6092 | tabMode = TAB_MODES[v.tabMode] ? v.tabMode : "nested"; |
| 6093 | newTabAction = NEW_TAB_ACTIONS[v.newTabAction] ? v.newTabAction : "claude"; |
| 6094 | const stored = Number(v.fontSize); |
| 6095 | fontSize = |
| 6096 | Number.isFinite(stored) && stored >= FONT_MIN && stored <= FONT_MAX |
| 6097 | ? Math.round(stored) |
| 6098 | : FONT_DEFAULT; |
| 6099 | applyTheme(); |
| 6100 | applyDensity(); |
| 6101 | applyTabMode(); |
| 6102 | applyNewTabAction(); |
| 6103 | applyFontSize(); |
| 6104 | if (v.token) $input("token").value = v.token; |
| 6105 | if (v.url) $input("url").value = v.url; |
| 6106 | if (v.session) $input("session").value = v.session; |
| 6107 | log(`origin: ${ORIGIN}`); |
| 6108 | if (v.token) { |
| 6109 | connect(); |
| 6110 | } else { |
| 6111 | setStatus("off", "needs setup"); |
| 6112 | openSettings(); |
| 6113 | term.write( |
| 6114 | "\x1b[90m terminal\x1b[0m\r\n\r\n" + |
| 6115 | " Not configured yet. Open \x1b[1msettings\x1b[0m (top right)\r\n" + |
| 6116 | " to pair and paste your token.\r\n", |
| 6117 | ); |
| 6118 | } |
| 6119 | }); |