e30ad17ae0
* fix(tui): restore prompt rendering on startup * test(tui): document render-time command split * fix(tui): reduce ghostty prompt repaint scope
690 lines
31 KiB
TypeScript
690 lines
31 KiB
TypeScript
import React, { PureComponent, type ReactNode } from 'react';
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import { updateLastInteractionTime } from '../../bootstrap/state.js';
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import { stopCapturingEarlyInput } from '../../utils/earlyInput.js';
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import { isEnvTruthy } from '../../utils/envUtils.js';
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import { isMouseClicksDisabled } from '../../utils/fullscreen.js';
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import { logError } from '../../utils/log.js';
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import { EventEmitter } from '../events/emitter.js';
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import { InputEvent } from '../events/input-event.js';
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import { TerminalFocusEvent } from '../events/terminal-focus-event.js';
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import { INITIAL_STATE, type ParsedInput, type ParsedKey, type ParsedMouse, parseMultipleKeypresses } from '../parse-keypress.js';
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import reconciler from '../reconciler.js';
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import { finishSelection, hasSelection, type SelectionState, startSelection } from '../selection.js';
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import { isXtermJs, setXtversionName, supportsExtendedKeys } from '../terminal.js';
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import { getTerminalFocused, setTerminalFocused } from '../terminal-focus-state.js';
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import { TerminalQuerier, xtversion } from '../terminal-querier.js';
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import { DISABLE_KITTY_KEYBOARD, DISABLE_MODIFY_OTHER_KEYS, ENABLE_KITTY_KEYBOARD, ENABLE_MODIFY_OTHER_KEYS, FOCUS_IN, FOCUS_OUT } from '../termio/csi.js';
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import { DBP, DFE, DISABLE_MOUSE_TRACKING, EBP, EFE, HIDE_CURSOR, SHOW_CURSOR } from '../termio/dec.js';
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import AppContext from './AppContext.js';
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import { ClockProvider } from './ClockContext.js';
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import CursorDeclarationContext, { type CursorDeclarationSetter } from './CursorDeclarationContext.js';
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import ErrorOverview from './ErrorOverview.js';
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import StdinContext from './StdinContext.js';
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import { TerminalFocusProvider } from './TerminalFocusContext.js';
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import { TerminalSizeContext } from './TerminalSizeContext.js';
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// Platforms that support Unix-style process suspension (SIGSTOP/SIGCONT)
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const SUPPORTS_SUSPEND = process.platform !== 'win32';
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// After this many milliseconds of stdin silence, the next chunk triggers
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// a terminal mode re-assert (mouse tracking). Catches tmux detach→attach,
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// ssh reconnect, and laptop wake — the terminal resets DEC private modes
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// but no signal reaches us. 5s is well above normal inter-keystroke gaps
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// but short enough that the first scroll after reattach works.
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const STDIN_RESUME_GAP_MS = 5000;
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type Props = {
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readonly children: ReactNode;
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readonly stdin: NodeJS.ReadStream;
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readonly stdout: NodeJS.WriteStream;
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readonly stderr: NodeJS.WriteStream;
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readonly exitOnCtrlC: boolean;
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readonly onExit: (error?: Error) => void;
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readonly terminalColumns: number;
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readonly terminalRows: number;
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// Text selection state. App mutates this directly from mouse events
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// and calls onSelectionChange to trigger a repaint. Mouse events only
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// arrive when <AlternateScreen> (or similar) enables mouse tracking,
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// so the handler is always wired but dormant until tracking is on.
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readonly selection: SelectionState;
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readonly onSelectionChange: () => void;
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// Dispatch a click at (col, row) — hit-tests the DOM tree and bubbles
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// onClick handlers. Returns true if a DOM handler consumed the click.
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// No-op (returns false) outside fullscreen mode (Ink.dispatchClick
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// gates on altScreenActive).
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readonly onClickAt: (col: number, row: number) => boolean;
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// Dispatch hover (onMouseEnter/onMouseLeave) as the pointer moves over
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// DOM elements. Called for mode-1003 motion events with no button held.
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// No-op outside fullscreen (Ink.dispatchHover gates on altScreenActive).
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readonly onHoverAt: (col: number, row: number) => void;
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// Look up the OSC 8 hyperlink at (col, row) synchronously at click
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// time. Returns the URL or undefined. The browser-open is deferred by
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// MULTI_CLICK_TIMEOUT_MS so double-click can cancel it.
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readonly getHyperlinkAt: (col: number, row: number) => string | undefined;
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// Open a hyperlink URL in the browser. Called after the timer fires.
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readonly onOpenHyperlink: (url: string) => void;
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// Called on double/triple-click PRESS at (col, row). count=2 selects
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// the word under the cursor; count=3 selects the line. Ink reads the
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// screen buffer to find word/line boundaries and mutates selection,
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// setting isDragging=true so a subsequent drag extends by word/line.
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readonly onMultiClick: (col: number, row: number, count: 2 | 3) => void;
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// Called on drag-motion. Mode-aware: char mode updates focus to the
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// exact cell; word/line mode snaps to word/line boundaries. Needs
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// screen-buffer access (word boundaries) so lives on Ink, not here.
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readonly onSelectionDrag: (col: number, row: number) => void;
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// Called when stdin data arrives after a >STDIN_RESUME_GAP_MS gap.
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// Ink re-asserts terminal modes: extended key reporting, and (when in
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// fullscreen) re-enters alt-screen + mouse tracking. Idempotent on the
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// terminal side. Optional so testing.tsx doesn't need to stub it.
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readonly onStdinResume?: () => void;
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// Receives the declared native-cursor position from useDeclaredCursor
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// so ink.tsx can park the terminal cursor there after each frame.
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// Enables IME composition at the input caret and lets screen readers /
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// magnifiers track the input. Optional so testing.tsx doesn't stub it.
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readonly onCursorDeclaration?: CursorDeclarationSetter;
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// Dispatch a keyboard event through the DOM tree. Called for each
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// parsed key alongside the legacy EventEmitter path.
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readonly dispatchKeyboardEvent: (parsedKey: ParsedKey) => void;
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};
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// Multi-click detection thresholds. 500ms is the macOS default; a small
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// position tolerance allows for trackpad jitter between clicks.
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const MULTI_CLICK_TIMEOUT_MS = 500;
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const MULTI_CLICK_DISTANCE = 1;
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type State = {
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readonly error?: Error;
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};
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// Root component for all Ink apps
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// It renders stdin and stdout contexts, so that children can access them if needed
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// It also handles Ctrl+C exiting and cursor visibility
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export default class App extends PureComponent<Props, State> {
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static displayName = 'InternalApp';
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static getDerivedStateFromError(error: Error) {
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return {
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error
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};
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}
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override state = {
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error: undefined
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};
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// Count how many components enabled raw mode to avoid disabling
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// raw mode until all components don't need it anymore
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rawModeEnabledCount = 0;
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internal_eventEmitter = new EventEmitter();
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keyParseState = INITIAL_STATE;
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// Timer for flushing incomplete escape sequences
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incompleteEscapeTimer: NodeJS.Timeout | null = null;
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// Default to readable-mode stdin (legacy Ink behavior). The data-mode path
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// is kept as an explicit opt-in because some terminals can enter a state
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// where startup input appears frozen when data mode is the default.
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stdinMode: 'readable' | 'data' = process.env.OPENCLAUDE_USE_DATA_STDIN === '1' || process.env.OPENCLAUDE_USE_READABLE_STDIN === '0' ? 'data' : 'readable';
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// Timeout durations for incomplete sequences (ms)
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readonly NORMAL_TIMEOUT = 50; // Short timeout for regular esc sequences
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readonly PASTE_TIMEOUT = 500; // Longer timeout for paste operations
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// Terminal query/response dispatch. Responses arrive on stdin (parsed
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// out by parse-keypress) and are routed to pending promise resolvers.
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querier = new TerminalQuerier(this.props.stdout);
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// Multi-click tracking for double/triple-click text selection. A click
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// within MULTI_CLICK_TIMEOUT_MS and MULTI_CLICK_DISTANCE of the previous
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// click increments clickCount; otherwise it resets to 1.
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lastClickTime = 0;
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lastClickCol = -1;
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lastClickRow = -1;
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clickCount = 0;
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// Deferred hyperlink-open timer — cancelled if a second click arrives
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// within MULTI_CLICK_TIMEOUT_MS (so double-clicking a hyperlink selects
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// the word without also opening the browser). DOM onClick dispatch is
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// NOT deferred — it returns true from onClickAt and skips this timer.
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pendingHyperlinkTimer: ReturnType<typeof setTimeout> | null = null;
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// Last mode-1003 motion position. Terminals already dedupe to cell
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// granularity but this also lets us skip dispatchHover entirely on
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// repeat events (drag-then-release at same cell, etc.).
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lastHoverCol = -1;
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lastHoverRow = -1;
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// Timestamp of last stdin chunk. Used to detect long gaps (tmux attach,
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// ssh reconnect, laptop wake) and trigger terminal mode re-assert.
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// Initialized to now so startup doesn't false-trigger.
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lastStdinTime = Date.now();
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// Determines if TTY is supported on the provided stdin
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isRawModeSupported(): boolean {
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return this.props.stdin.isTTY;
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}
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override render() {
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return <TerminalSizeContext.Provider value={{
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columns: this.props.terminalColumns,
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rows: this.props.terminalRows
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}}>
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<AppContext.Provider value={{
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exit: this.handleExit
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}}>
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<StdinContext.Provider value={{
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stdin: this.props.stdin,
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setRawMode: this.handleSetRawMode,
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isRawModeSupported: this.isRawModeSupported(),
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internal_exitOnCtrlC: this.props.exitOnCtrlC,
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internal_eventEmitter: this.internal_eventEmitter,
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internal_querier: this.querier
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}}>
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<TerminalFocusProvider>
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<ClockProvider>
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<CursorDeclarationContext.Provider value={this.props.onCursorDeclaration ?? (() => {})}>
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{this.state.error ? <ErrorOverview error={this.state.error as Error} /> : this.props.children}
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</CursorDeclarationContext.Provider>
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</ClockProvider>
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</TerminalFocusProvider>
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</StdinContext.Provider>
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</AppContext.Provider>
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</TerminalSizeContext.Provider>;
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}
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override componentDidMount() {
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// In accessibility mode, keep the native cursor visible for screen magnifiers and other tools
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if (this.props.stdout.isTTY && !isEnvTruthy(process.env.CLAUDE_CODE_ACCESSIBILITY)) {
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this.props.stdout.write(HIDE_CURSOR);
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}
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}
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override componentWillUnmount() {
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if (this.props.stdout.isTTY) {
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this.props.stdout.write(SHOW_CURSOR);
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}
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// Clear any pending timers
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if (this.incompleteEscapeTimer) {
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clearTimeout(this.incompleteEscapeTimer);
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this.incompleteEscapeTimer = null;
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}
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if (this.pendingHyperlinkTimer) {
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clearTimeout(this.pendingHyperlinkTimer);
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this.pendingHyperlinkTimer = null;
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}
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// ignore calling setRawMode on an handle stdin it cannot be called
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if (this.isRawModeSupported()) {
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this.handleSetRawMode(false);
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}
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}
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override componentDidCatch(error: Error) {
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logError(error);
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this.handleExit(error);
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}
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handleSetRawMode = (isEnabled: boolean): void => {
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const {
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stdin
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} = this.props;
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if (!this.isRawModeSupported()) {
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if (stdin === process.stdin) {
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throw new Error('Raw mode is not supported on the current process.stdin, which Ink uses as input stream by default.\nRead about how to prevent this error on https://github.com/vadimdemedes/ink/#israwmodesupported');
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} else {
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throw new Error('Raw mode is not supported on the stdin provided to Ink.\nRead about how to prevent this error on https://github.com/vadimdemedes/ink/#israwmodesupported');
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}
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}
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stdin.setEncoding('utf8');
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if (isEnabled) {
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// Ensure raw mode is enabled only once
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if (this.rawModeEnabledCount === 0) {
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// Stop early input capture right before we add our own readable handler.
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// Both use the same stdin 'readable' + read() pattern, so they can't
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// coexist -- our handler would drain stdin before Ink's can see it.
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// The buffered text is preserved for REPL.tsx via consumeEarlyInput().
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stopCapturingEarlyInput();
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stdin.ref();
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stdin.setRawMode(true);
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if (this.stdinMode === 'data') {
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stdin.addListener('data', this.handleDataChunk);
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} else {
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stdin.addListener('readable', this.handleReadable);
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}
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stdin.resume();
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// Enable bracketed paste mode
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this.props.stdout.write(EBP);
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// Enable terminal focus reporting (DECSET 1004)
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this.props.stdout.write(EFE);
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// Enable extended key reporting so ctrl+shift+<letter> is
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// distinguishable from ctrl+<letter>. We write both the kitty stack
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// push (CSI >1u) and xterm modifyOtherKeys level 2 (CSI >4;2m) —
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// terminals honor whichever they implement (tmux only accepts the
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// latter).
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if (supportsExtendedKeys()) {
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this.props.stdout.write(ENABLE_KITTY_KEYBOARD);
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this.props.stdout.write(ENABLE_MODIFY_OTHER_KEYS);
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}
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// Probe terminal identity. XTVERSION survives SSH (query/reply goes
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// through the pty), unlike TERM_PROGRAM. Used for wheel-scroll base
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// detection when env vars are absent. Fire-and-forget: the DA1
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// sentinel bounds the round-trip, and if the terminal ignores the
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// query, flush() still resolves and name stays undefined.
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// Deferred to next tick so it fires AFTER the current synchronous
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// init sequence completes — avoids interleaving with alt-screen/mouse
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// tracking enable writes that may happen in the same render cycle.
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setImmediate(() => {
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void Promise.all([this.querier.send(xtversion()), this.querier.flush()]).then(([r]) => {
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if (r) {
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setXtversionName(r.name);
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logForDebugging(`XTVERSION: terminal identified as "${r.name}"`);
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} else {
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logForDebugging('XTVERSION: no reply (terminal ignored query)');
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}
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});
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});
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}
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this.rawModeEnabledCount++;
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return;
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}
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// Disable raw mode only when no components left that are using it
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if (--this.rawModeEnabledCount === 0) {
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this.props.stdout.write(DISABLE_MODIFY_OTHER_KEYS);
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this.props.stdout.write(DISABLE_KITTY_KEYBOARD);
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// Disable terminal focus reporting (DECSET 1004)
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this.props.stdout.write(DFE);
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// Disable bracketed paste mode
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this.props.stdout.write(DBP);
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stdin.setRawMode(false);
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stdin.removeListener('readable', this.handleReadable);
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stdin.removeListener('data', this.handleDataChunk);
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stdin.pause();
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stdin.unref();
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}
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};
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// Helper to flush incomplete escape sequences
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flushIncomplete = (): void => {
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// Clear the timer reference
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this.incompleteEscapeTimer = null;
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// Only proceed if we have incomplete sequences
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if (!this.keyParseState.incomplete) return;
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// Fullscreen: if stdin has data waiting, it's almost certainly the
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// continuation of the buffered sequence (e.g. `[<64;74;16M` after a
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// lone ESC). Node's event loop runs the timers phase before the poll
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// phase, so when a heavy render blocks the loop past 50ms, this timer
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// fires before the queued readable event even though the bytes are
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// already buffered. Re-arm instead of flushing: handleReadable will
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// drain stdin next and clear this timer. Prevents both the spurious
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// Escape key and the lost scroll event.
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if (this.props.stdin.readableLength > 0) {
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this.incompleteEscapeTimer = setTimeout(this.flushIncomplete, this.NORMAL_TIMEOUT);
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return;
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}
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// Process incomplete as a flush operation (input=null)
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// This reuses all existing parsing logic
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this.processInput(null);
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};
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// Process input through the parser and handle the results
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processInput = (input: string | Buffer | null): void => {
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// Parse input using our state machine
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const [keys, newState] = parseMultipleKeypresses(this.keyParseState, input);
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this.keyParseState = newState;
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// Process ALL keys in a SINGLE discreteUpdates call to prevent
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// "Maximum update depth exceeded" error when many keys arrive at once
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// (e.g., from paste operations or holding keys rapidly).
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// This batches all state updates from handleInput and all useInput
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// listeners together within one high-priority update context.
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if (keys.length > 0) {
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reconciler.discreteUpdates(processKeysInBatch, this, keys, undefined, undefined);
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}
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// If we have incomplete escape sequences, set a timer to flush them
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if (this.keyParseState.incomplete) {
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// Cancel any existing timer first
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if (this.incompleteEscapeTimer) {
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clearTimeout(this.incompleteEscapeTimer);
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}
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this.incompleteEscapeTimer = setTimeout(this.flushIncomplete, this.keyParseState.mode === 'IN_PASTE' ? this.PASTE_TIMEOUT : this.NORMAL_TIMEOUT);
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}
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};
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handleReadable = (): void => {
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// Detect long stdin gaps (tmux attach, ssh reconnect, laptop wake).
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// The terminal may have reset DEC private modes; re-assert mouse
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// tracking. Checked before the read loop so one Date.now() covers
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// all chunks in this readable event.
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const now = Date.now();
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if (now - this.lastStdinTime > STDIN_RESUME_GAP_MS) {
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this.props.onStdinResume?.();
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}
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this.lastStdinTime = now;
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try {
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let chunk;
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while ((chunk = this.props.stdin.read() as string | null) !== null) {
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// Process the input chunk
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this.processInput(chunk);
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}
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} catch (error) {
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// In Bun, an uncaught throw inside a stream 'readable' handler can
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// permanently wedge the stream: data stays buffered and 'readable'
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// never re-emits. Catching here ensures the stream stays healthy so
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// subsequent keystrokes are still delivered.
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logError(error);
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// Re-attach the listener in case the exception detached it.
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// Bun may remove the listener after an error; without this,
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// the session freezes permanently (stdin reader dead, event loop alive).
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const {
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stdin
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} = this.props;
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if (this.rawModeEnabledCount > 0 && !stdin.listeners('readable').includes(this.handleReadable)) {
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logForDebugging('handleReadable: re-attaching stdin readable listener after error recovery', {
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level: 'warn'
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});
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stdin.addListener('readable', this.handleReadable);
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}
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}
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};
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handleDataChunk = (chunk: string | Buffer): void => {
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const now = Date.now();
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if (now - this.lastStdinTime > STDIN_RESUME_GAP_MS) {
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this.props.onStdinResume?.();
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}
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this.lastStdinTime = now;
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try {
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this.processInput(chunk);
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} catch (error) {
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logError(error);
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const {
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stdin
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} = this.props;
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if (this.rawModeEnabledCount > 0 && !stdin.listeners('data').includes(this.handleDataChunk)) {
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logForDebugging('handleDataChunk: re-attaching stdin data listener after error recovery', {
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level: 'warn'
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});
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stdin.addListener('data', this.handleDataChunk);
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}
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}
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};
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handleInput = (input: string | undefined): void => {
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// Exit on Ctrl+C
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if (input === '\x03' && this.props.exitOnCtrlC) {
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this.handleExit();
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}
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// Note: Ctrl+Z (suspend) is now handled in processKeysInBatch using the
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// parsed key to support both raw (\x1a) and CSI u format from Kitty
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// keyboard protocol terminals (Ghostty, iTerm2, kitty, WezTerm)
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};
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handleExit = (error?: Error): void => {
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if (this.isRawModeSupported()) {
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this.handleSetRawMode(false);
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}
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this.props.onExit(error);
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};
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handleTerminalFocus = (isFocused: boolean): void => {
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// setTerminalFocused notifies subscribers: TerminalFocusProvider (context)
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// and Clock (interval speed) — no App setState needed.
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setTerminalFocused(isFocused);
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};
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handleSuspend = (): void => {
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if (!this.isRawModeSupported()) {
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return;
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}
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// Store the exact raw mode count to restore it properly
|
|
const rawModeCountBeforeSuspend = this.rawModeEnabledCount;
|
|
|
|
// Completely disable raw mode before suspending
|
|
while (this.rawModeEnabledCount > 0) {
|
|
this.handleSetRawMode(false);
|
|
}
|
|
|
|
// Show cursor, disable focus reporting, and disable mouse tracking
|
|
// before suspending. DISABLE_MOUSE_TRACKING is a no-op if tracking
|
|
// wasn't enabled, so it's safe to emit unconditionally — without
|
|
// it, SGR mouse sequences would appear as garbled text at the
|
|
// shell prompt while suspended.
|
|
if (this.props.stdout.isTTY) {
|
|
this.props.stdout.write(SHOW_CURSOR + DFE + DISABLE_MOUSE_TRACKING);
|
|
}
|
|
|
|
// Emit suspend event for Claude Code to handle. Mostly just has a notification
|
|
this.internal_eventEmitter.emit('suspend');
|
|
|
|
// Set up resume handler
|
|
const resumeHandler = () => {
|
|
// Restore raw mode to exact previous state
|
|
for (let i = 0; i < rawModeCountBeforeSuspend; i++) {
|
|
if (this.isRawModeSupported()) {
|
|
this.handleSetRawMode(true);
|
|
}
|
|
}
|
|
|
|
// Hide cursor (unless in accessibility mode) and re-enable focus reporting after resuming
|
|
if (this.props.stdout.isTTY) {
|
|
if (!isEnvTruthy(process.env.CLAUDE_CODE_ACCESSIBILITY)) {
|
|
this.props.stdout.write(HIDE_CURSOR);
|
|
}
|
|
// Re-enable focus reporting to restore terminal state
|
|
this.props.stdout.write(EFE);
|
|
}
|
|
|
|
// Emit resume event for Claude Code to handle
|
|
this.internal_eventEmitter.emit('resume');
|
|
process.removeListener('SIGCONT', resumeHandler);
|
|
};
|
|
process.on('SIGCONT', resumeHandler);
|
|
process.kill(process.pid, 'SIGSTOP');
|
|
};
|
|
}
|
|
|
|
// Helper to process all keys within a single discrete update context.
|
|
// discreteUpdates expects (fn, a, b, c, d) -> fn(a, b, c, d)
|
|
function processKeysInBatch(app: App, items: ParsedInput[], _unused1: undefined, _unused2: undefined): void {
|
|
// Update interaction time for notification timeout tracking.
|
|
// This is called from the central input handler to avoid having multiple
|
|
// stdin listeners that can cause race conditions and dropped input.
|
|
// Terminal responses (kind: 'response') are automated, not user input.
|
|
// Mode-1003 no-button motion is also excluded — passive cursor drift is
|
|
// not engagement (would suppress idle notifications + defer housekeeping).
|
|
if (items.some(i => i.kind === 'key' || i.kind === 'mouse' && !((i.button & 0x20) !== 0 && (i.button & 0x03) === 3))) {
|
|
updateLastInteractionTime();
|
|
}
|
|
for (const item of items) {
|
|
// Terminal responses (DECRPM, DA1, OSC replies, etc.) are not user
|
|
// input — route them to the querier to resolve pending promises.
|
|
if (item.kind === 'response') {
|
|
app.querier.onResponse(item.response);
|
|
continue;
|
|
}
|
|
|
|
// Mouse click/drag events update selection state (fullscreen only).
|
|
// Terminal sends 1-indexed col/row; convert to 0-indexed for the
|
|
// screen buffer. Button bit 0x20 = drag (motion while button held).
|
|
if (item.kind === 'mouse') {
|
|
handleMouseEvent(app, item);
|
|
continue;
|
|
}
|
|
const sequence = item.sequence;
|
|
|
|
// Handle terminal focus events (DECSET 1004)
|
|
if (sequence === FOCUS_IN) {
|
|
app.handleTerminalFocus(true);
|
|
const event = new TerminalFocusEvent('terminalfocus');
|
|
app.internal_eventEmitter.emit('terminalfocus', event);
|
|
continue;
|
|
}
|
|
if (sequence === FOCUS_OUT) {
|
|
app.handleTerminalFocus(false);
|
|
// Defensive: if we lost the release event (mouse released outside
|
|
// terminal window — some emulators drop it rather than capturing the
|
|
// pointer), focus-out is the next observable signal that the drag is
|
|
// over. Without this, drag-to-scroll's timer runs until the scroll
|
|
// boundary is hit.
|
|
if (app.props.selection.isDragging) {
|
|
finishSelection(app.props.selection);
|
|
app.props.onSelectionChange();
|
|
}
|
|
const event = new TerminalFocusEvent('terminalblur');
|
|
app.internal_eventEmitter.emit('terminalblur', event);
|
|
continue;
|
|
}
|
|
|
|
// Failsafe: if we receive input, the terminal must be focused
|
|
if (!getTerminalFocused()) {
|
|
setTerminalFocused(true);
|
|
}
|
|
|
|
// Handle Ctrl+Z (suspend) using parsed key to support both raw (\x1a) and
|
|
// CSI u format (\x1b[122;5u) from Kitty keyboard protocol terminals
|
|
if (item.name === 'z' && item.ctrl && SUPPORTS_SUSPEND) {
|
|
app.handleSuspend();
|
|
continue;
|
|
}
|
|
app.handleInput(sequence);
|
|
const event = new InputEvent(item);
|
|
app.internal_eventEmitter.emit('input', event);
|
|
|
|
// Also dispatch through the DOM tree so onKeyDown handlers fire.
|
|
app.props.dispatchKeyboardEvent(item);
|
|
}
|
|
}
|
|
|
|
/** Exported for testing. Mutates app.props.selection and click/hover state. */
|
|
export function handleMouseEvent(app: App, m: ParsedMouse): void {
|
|
// Allow disabling click handling while keeping wheel scroll (which goes
|
|
// through the keybinding system as 'wheelup'/'wheeldown', not here).
|
|
if (isMouseClicksDisabled()) return;
|
|
const sel = app.props.selection;
|
|
// Terminal coords are 1-indexed; screen buffer is 0-indexed
|
|
const col = m.col - 1;
|
|
const row = m.row - 1;
|
|
const baseButton = m.button & 0x03;
|
|
if (m.action === 'press') {
|
|
if ((m.button & 0x20) !== 0 && baseButton === 3) {
|
|
// Mode-1003 motion with no button held. Dispatch hover; skip the
|
|
// rest of this handler (no selection, no click-count side effects).
|
|
// Lost-release recovery: no-button motion while isDragging=true means
|
|
// the release happened outside the terminal window (iTerm2 doesn't
|
|
// capture the pointer past window bounds, so the SGR 'm' never
|
|
// arrives). Finish the selection here so copy-on-select fires. The
|
|
// FOCUS_OUT handler covers the "switched apps" case but not "released
|
|
// past the edge, came back" — and tmux drops focus events unless
|
|
// `focus-events on` is set, so this is the more reliable signal.
|
|
if (sel.isDragging) {
|
|
finishSelection(sel);
|
|
app.props.onSelectionChange();
|
|
}
|
|
if (col === app.lastHoverCol && row === app.lastHoverRow) return;
|
|
app.lastHoverCol = col;
|
|
app.lastHoverRow = row;
|
|
app.props.onHoverAt(col, row);
|
|
return;
|
|
}
|
|
if (baseButton !== 0) {
|
|
// Non-left press breaks the multi-click chain.
|
|
app.clickCount = 0;
|
|
return;
|
|
}
|
|
if ((m.button & 0x20) !== 0) {
|
|
// Drag motion: mode-aware extension (char/word/line). onSelectionDrag
|
|
// calls notifySelectionChange internally — no extra onSelectionChange.
|
|
app.props.onSelectionDrag(col, row);
|
|
return;
|
|
}
|
|
// Lost-release fallback for mode-1002-only terminals: a fresh press
|
|
// while isDragging=true means the previous release was dropped (cursor
|
|
// left the window). Finish that selection so copy-on-select fires
|
|
// before startSelection/onMultiClick clobbers it. Mode-1003 terminals
|
|
// hit the no-button-motion recovery above instead, so this is rare.
|
|
if (sel.isDragging) {
|
|
finishSelection(sel);
|
|
app.props.onSelectionChange();
|
|
}
|
|
// Fresh left press. Detect multi-click HERE (not on release) so the
|
|
// word/line highlight appears immediately and a subsequent drag can
|
|
// extend by word/line like native macOS. Previously detected on
|
|
// release, which meant (a) visible latency before the word highlights
|
|
// and (b) double-click+drag fell through to char-mode selection.
|
|
const now = Date.now();
|
|
const nearLast = now - app.lastClickTime < MULTI_CLICK_TIMEOUT_MS && Math.abs(col - app.lastClickCol) <= MULTI_CLICK_DISTANCE && Math.abs(row - app.lastClickRow) <= MULTI_CLICK_DISTANCE;
|
|
app.clickCount = nearLast ? app.clickCount + 1 : 1;
|
|
app.lastClickTime = now;
|
|
app.lastClickCol = col;
|
|
app.lastClickRow = row;
|
|
if (app.clickCount >= 2) {
|
|
// Cancel any pending hyperlink-open from the first click — this is
|
|
// a double-click, not a single-click on a link.
|
|
if (app.pendingHyperlinkTimer) {
|
|
clearTimeout(app.pendingHyperlinkTimer);
|
|
app.pendingHyperlinkTimer = null;
|
|
}
|
|
// Cap at 3 (line select) for quadruple+ clicks.
|
|
const count = app.clickCount === 2 ? 2 : 3;
|
|
app.props.onMultiClick(col, row, count);
|
|
return;
|
|
}
|
|
startSelection(sel, col, row);
|
|
// SGR bit 0x08 = alt (xterm.js wires altKey here, not metaKey — see
|
|
// comment at the hyperlink-open guard below). On macOS xterm.js,
|
|
// receiving alt means macOptionClickForcesSelection is OFF (otherwise
|
|
// xterm.js would have consumed the event for native selection).
|
|
sel.lastPressHadAlt = (m.button & 0x08) !== 0;
|
|
app.props.onSelectionChange();
|
|
return;
|
|
}
|
|
|
|
// Release: end the drag even for non-zero button codes. Some terminals
|
|
// encode release with the motion bit or button=3 "no button" (carried
|
|
// over from pre-SGR X10 encoding) — filtering those would orphan
|
|
// isDragging=true and leave drag-to-scroll's timer running until the
|
|
// scroll boundary. Only act on non-left releases when we ARE dragging
|
|
// (so an unrelated middle/right click-release doesn't touch selection).
|
|
if (baseButton !== 0) {
|
|
if (!sel.isDragging) return;
|
|
finishSelection(sel);
|
|
app.props.onSelectionChange();
|
|
return;
|
|
}
|
|
finishSelection(sel);
|
|
// NOTE: unlike the old release-based detection we do NOT reset clickCount
|
|
// on release-after-drag. This aligns with NSEvent.clickCount semantics:
|
|
// an intervening drag doesn't break the click chain. Practical upside:
|
|
// trackpad jitter during an intended double-click (press→wobble→release
|
|
// →press) now correctly resolves to word-select instead of breaking to a
|
|
// fresh single click. The nearLast window (500ms, 1 cell) bounds the
|
|
// effect — a deliberate drag past that just starts a fresh chain.
|
|
// A press+release with no drag in char mode is a click: anchor set,
|
|
// focus null → hasSelection false. In word/line mode the press already
|
|
// set anchor+focus (hasSelection true), so release just keeps the
|
|
// highlight. The anchor check guards against an orphaned release (no
|
|
// prior press — e.g. button was held when mouse tracking was enabled).
|
|
if (!hasSelection(sel) && sel.anchor) {
|
|
// Single click: dispatch DOM click immediately (cursor repositioning
|
|
// etc. are latency-sensitive). If no DOM handler consumed it, defer
|
|
// the hyperlink check so a second click can cancel it.
|
|
if (!app.props.onClickAt(col, row)) {
|
|
// Resolve the hyperlink URL synchronously while the screen buffer
|
|
// still reflects what the user clicked — deferring only the
|
|
// browser-open so double-click can cancel it.
|
|
const url = app.props.getHyperlinkAt(col, row);
|
|
// xterm.js (VS Code, Cursor, Windsurf, etc.) has its own OSC 8 link
|
|
// handler that fires on Cmd+click *without consuming the mouse event*
|
|
// (Linkifier._handleMouseUp calls link.activate() but never
|
|
// preventDefault/stopPropagation). The click is also forwarded to the
|
|
// pty as SGR, so both VS Code's terminalLinkManager AND our handler
|
|
// here would open the URL — twice. We can't filter on Cmd: xterm.js
|
|
// drops metaKey before SGR encoding (ICoreMouseEvent has no meta
|
|
// field; the SGR bit we call 'meta' is wired to alt). Let xterm.js
|
|
// own link-opening; Cmd+click is the native UX there anyway.
|
|
// TERM_PROGRAM is the sync fast-path; isXtermJs() is the XTVERSION
|
|
// probe result (catches SSH + non-VS Code embedders like Hyper).
|
|
if (url && process.env.TERM_PROGRAM !== 'vscode' && !isXtermJs()) {
|
|
// Clear any prior pending timer — clicking a second link
|
|
// supersedes the first (only the latest click opens).
|
|
if (app.pendingHyperlinkTimer) {
|
|
clearTimeout(app.pendingHyperlinkTimer);
|
|
}
|
|
app.pendingHyperlinkTimer = setTimeout((app, url) => {
|
|
app.pendingHyperlinkTimer = null;
|
|
app.props.onOpenHyperlink(url);
|
|
}, MULTI_CLICK_TIMEOUT_MS, app, url);
|
|
}
|
|
}
|
|
}
|
|
app.props.onSelectionChange();
|
|
}
|