import { FitAddon } from "@xterm/addon-fit";import { Plus, SquareSplitHorizontal, TerminalSquare, Trash2, XIcon } from "lucide-react";import { type ThreadId } from "@t3tools/contracts";import { Terminal, type ITheme } from "@xterm/xterm";import { type PointerEvent as ReactPointerEvent, type ReactNode, useCallback, useEffect, useMemo, useRef, useState,} from "react";import { Popover, PopoverPopup, PopoverTrigger } from "~/components/ui/popover";import { type TerminalContextSelection } from "~/lib/terminalContext";import { openInPreferredEditor } from "../editorPreferences";import { extractTerminalLinks, isTerminalLinkActivation, resolvePathLinkTarget,} from "../terminal-links";import { isTerminalClearShortcut, terminalNavigationShortcutData } from "../keybindings";import { DEFAULT_THREAD_TERMINAL_HEIGHT, DEFAULT_THREAD_TERMINAL_ID, MAX_TERMINALS_PER_GROUP, type ThreadTerminalGroup,} from "../types";import { readNativeApi } from "~/nativeApi"; const MIN_DRAWER_HEIGHT = 180;const MAX_DRAWER_HEIGHT_RATIO = 0.75;const MULTI_CLICK_SELECTION_ACTION_DELAY_MS = 260; function maxDrawerHeight(): number { if (typeof window === "undefined") return DEFAULT_THREAD_TERMINAL_HEIGHT; return Math.max(MIN_DRAWER_HEIGHT, Math.floor(window.innerHeight * MAX_DRAWER_HEIGHT_RATIO));} function clampDrawerHeight(height: number): number { const safeHeight = Number.isFinite(height) ? height : DEFAULT_THREAD_TERMINAL_HEIGHT; const maxHeight = maxDrawerHeight(); return Math.min(Math.max(Math.round(safeHeight), MIN_DRAWER_HEIGHT), maxHeight);} function writeSystemMessage(terminal: Terminal, message: string): void { terminal.write(`\r\n[terminal] ${message}\r\n`);} function terminalThemeFromApp(): ITheme { const isDark = document.documentElement.classList.contains("dark"); const bodyStyles = getComputedStyle(document.body); const background = bodyStyles.backgroundColor || (isDark ? "rgb(14, 18, 24)" : "rgb(255, 255, 255)"); const foreground = bodyStyles.color || (isDark ? "rgb(237, 241, 247)" : "rgb(28, 33, 41)"); if (isDark) { return { background, foreground, cursor: "rgb(180, 203, 255)", selectionBackground: "rgba(180, 203, 255, 0.25)", scrollbarSliderBackground: "rgba(255, 255, 255, 0.1)", scrollbarSliderHoverBackground: "rgba(255, 255, 255, 0.18)", scrollbarSliderActiveBackground: "rgba(255, 255, 255, 0.22)", black: "rgb(24, 30, 38)", red: "rgb(255, 122, 142)", green: "rgb(134, 231, 149)", yellow: "rgb(244, 205, 114)", blue: "rgb(137, 190, 255)", magenta: "rgb(208, 176, 255)", cyan: "rgb(124, 232, 237)", white: "rgb(210, 218, 230)", brightBlack: "rgb(110, 120, 136)", brightRed: "rgb(255, 168, 180)", brightGreen: "rgb(176, 245, 186)", brightYellow: "rgb(255, 224, 149)", brightBlue: "rgb(174, 210, 255)", brightMagenta: "rgb(229, 203, 255)", brightCyan: "rgb(167, 244, 247)", brightWhite: "rgb(244, 247, 252)", }; } return { background, foreground, cursor: "rgb(38, 56, 78)", selectionBackground: "rgba(37, 63, 99, 0.2)", scrollbarSliderBackground: "rgba(0, 0, 0, 0.15)", scrollbarSliderHoverBackground: "rgba(0, 0, 0, 0.25)", scrollbarSliderActiveBackground: "rgba(0, 0, 0, 0.3)", black: "rgb(44, 53, 66)", red: "rgb(191, 70, 87)", green: "rgb(60, 126, 86)", yellow: "rgb(146, 112, 35)", blue: "rgb(72, 102, 163)", magenta: "rgb(132, 86, 149)", cyan: "rgb(53, 127, 141)", white: "rgb(210, 215, 223)", brightBlack: "rgb(112, 123, 140)", brightRed: "rgb(212, 95, 112)", brightGreen: "rgb(85, 148, 111)", brightYellow: "rgb(173, 133, 45)", brightBlue: "rgb(91, 124, 194)", brightMagenta: "rgb(153, 107, 172)", brightCyan: "rgb(70, 149, 164)", brightWhite: "rgb(236, 240, 246)", };} function getTerminalSelectionRect(mountElement: HTMLElement): DOMRect | null { const selection = window.getSelection(); if (!selection || selection.rangeCount === 0 || selection.isCollapsed) { return null; } const range = selection.getRangeAt(0); const commonAncestor = range.commonAncestorContainer; const selectionRoot = commonAncestor instanceof Element ? commonAncestor : commonAncestor.parentElement; if (!(selectionRoot instanceof Element) || !mountElement.contains(selectionRoot)) { return null; } const rects = Array.from(range.getClientRects()).filter( (rect) => rect.width > 0 || rect.height > 0, ); if (rects.length > 0) { return rects[rects.length - 1] ?? null; } const boundingRect = range.getBoundingClientRect(); return boundingRect.width > 0 || boundingRect.height > 0 ? boundingRect : null;} export function resolveTerminalSelectionActionPosition(options: { bounds: { left: number; top: number; width: number; height: number }; selectionRect: { right: number; bottom: number } | null; pointer: { x: number; y: number } | null; viewport?: { width: number; height: number } | null;}): { x: number; y: number } { const { bounds, selectionRect, pointer, viewport } = options; const viewportWidth = viewport?.width ?? (typeof window === "undefined" ? bounds.left + bounds.width + 8 : window.innerWidth); const viewportHeight = viewport?.height ?? (typeof window === "undefined" ? bounds.top + bounds.height + 8 : window.innerHeight); const drawerLeft = Math.round(bounds.left); const drawerTop = Math.round(bounds.top); const drawerRight = Math.round(bounds.left + bounds.width); const drawerBottom = Math.round(bounds.top + bounds.height); const preferredX = selectionRect !== null ? Math.round(selectionRect.right) : pointer === null ? Math.round(bounds.left + bounds.width - 140) : Math.max(drawerLeft, Math.min(Math.round(pointer.x), drawerRight)); const preferredY = selectionRect !== null ? Math.round(selectionRect.bottom + 4) : pointer === null ? Math.round(bounds.top + 12) : Math.max(drawerTop, Math.min(Math.round(pointer.y), drawerBottom)); return { x: Math.max(8, Math.min(preferredX, Math.max(viewportWidth - 8, 8))), y: Math.max(8, Math.min(preferredY, Math.max(viewportHeight - 8, 8))), };} export function terminalSelectionActionDelayForClickCount(clickCount: number): number { return clickCount >= 2 ? MULTI_CLICK_SELECTION_ACTION_DELAY_MS : 0;} export function shouldHandleTerminalSelectionMouseUp( selectionGestureActive: boolean, button: number,): boolean { return selectionGestureActive && button === 0;} interface TerminalViewportProps { threadId: ThreadId; terminalId: string; terminalLabel: string; cwd: string; runtimeEnv?: Record<string, string>; onSessionExited: () => void; onAddTerminalContext: (selection: TerminalContextSelection) => void; focusRequestId: number; autoFocus: boolean; resizeEpoch: number; drawerHeight: number;} function TerminalViewport({ threadId, terminalId, terminalLabel, cwd, runtimeEnv, onSessionExited, onAddTerminalContext, focusRequestId, autoFocus, resizeEpoch, drawerHeight,}: TerminalViewportProps) { const containerRef = useRef<HTMLDivElement>(null); const terminalRef = useRef<Terminal | null>(null); const fitAddonRef = useRef<FitAddon | null>(null); const onSessionExitedRef = useRef(onSessionExited); const onAddTerminalContextRef = useRef(onAddTerminalContext); const terminalLabelRef = useRef(terminalLabel); const hasHandledExitRef = useRef(false); const selectionPointerRef = useRef<{ x: number; y: number } | null>(null); const selectionGestureActiveRef = useRef(false); const selectionActionRequestIdRef = useRef(0); const selectionActionOpenRef = useRef(false); const selectionActionTimerRef = useRef<number | null>(null); useEffect(() => { onSessionExitedRef.current = onSessionExited; }, [onSessionExited]); useEffect(() => { onAddTerminalContextRef.current = onAddTerminalContext; }, [onAddTerminalContext]); useEffect(() => { terminalLabelRef.current = terminalLabel; }, [terminalLabel]); useEffect(() => { const mount = containerRef.current; if (!mount) return; let disposed = false; const fitAddon = new FitAddon(); const terminal = new Terminal({ cursorBlink: true, lineHeight: 1.2, fontSize: 12, scrollback: 5_000, fontFamily: '"SF Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace', theme: terminalThemeFromApp(), }); terminal.loadAddon(fitAddon); terminal.open(mount); fitAddon.fit(); terminalRef.current = terminal; fitAddonRef.current = fitAddon; const api = readNativeApi(); if (!api) return; const clearSelectionAction = () => { selectionActionRequestIdRef.current += 1; if (selectionActionTimerRef.current !== null) { window.clearTimeout(selectionActionTimerRef.current); selectionActionTimerRef.current = null; } }; const readSelectionAction = (): { position: { x: number; y: number }; selection: TerminalContextSelection; } | null => { const activeTerminal = terminalRef.current; const mountElement = containerRef.current; if (!activeTerminal || !mountElement || !activeTerminal.hasSelection()) { return null; } const selectionText = activeTerminal.getSelection(); const selectionPosition = activeTerminal.getSelectionPosition(); const normalizedText = selectionText.replace(/\r\n/g, "\n").replace(/^\n+|\n+$/g, ""); if (!selectionPosition || normalizedText.length === 0) { return null; } const lineStart = selectionPosition.start.y + 1; const lineCount = normalizedText.split("\n").length; const lineEnd = Math.max(lineStart, lineStart + lineCount - 1); const bounds = mountElement.getBoundingClientRect(); const selectionRect = getTerminalSelectionRect(mountElement); const position = resolveTerminalSelectionActionPosition({ bounds, selectionRect: selectionRect === null ? null : { right: selectionRect.right, bottom: selectionRect.bottom }, pointer: selectionPointerRef.current, }); return { position, selection: { terminalId, terminalLabel: terminalLabelRef.current, lineStart, lineEnd, text: normalizedText, }, }; }; const showSelectionAction = async () => { if (selectionActionOpenRef.current) { return; } const nextAction = readSelectionAction(); if (!nextAction) { clearSelectionAction(); return; } const requestId = ++selectionActionRequestIdRef.current; selectionActionOpenRef.current = true; try { const clicked = await api.contextMenu.show( [{ id: "add-to-chat", label: "Add to chat" }], nextAction.position, ); if (requestId !== selectionActionRequestIdRef.current || clicked !== "add-to-chat") { return; } onAddTerminalContextRef.current(nextAction.selection); terminalRef.current?.clearSelection(); terminalRef.current?.focus(); } finally { selectionActionOpenRef.current = false; } }; const sendTerminalInput = async (data: string, fallbackError: string) => { const activeTerminal = terminalRef.current; if (!activeTerminal) return; try { await api.terminal.write({ threadId, terminalId, data }); } catch (error) { writeSystemMessage(activeTerminal, error instanceof Error ? error.message : fallbackError); } }; terminal.attachCustomKeyEventHandler((event) => { const navigationData = terminalNavigationShortcutData(event); if (navigationData !== null) { event.preventDefault(); event.stopPropagation(); void sendTerminalInput(navigationData, "Failed to move cursor"); return false; } if (!isTerminalClearShortcut(event)) return true; event.preventDefault(); event.stopPropagation(); void sendTerminalInput("\u000c", "Failed to clear terminal"); return false; }); const terminalLinksDisposable = terminal.registerLinkProvider({ provideLinks: (bufferLineNumber, callback) => { const activeTerminal = terminalRef.current; if (!activeTerminal) { callback(undefined); return; } const line = activeTerminal.buffer.active.getLine(bufferLineNumber - 1); if (!line) { callback(undefined); return; } const lineText = line.translateToString(true); const matches = extractTerminalLinks(lineText); if (matches.length === 0) { callback(undefined); return; } callback( matches.map((match) => ({ text: match.text, range: { start: { x: match.start + 1, y: bufferLineNumber }, end: { x: match.end, y: bufferLineNumber }, }, activate: (event: MouseEvent) => { if (!isTerminalLinkActivation(event)) return; const latestTerminal = terminalRef.current; if (!latestTerminal) return; if (match.kind === "url") { void api.shell.openExternal(match.text).catch((error) => { writeSystemMessage( latestTerminal, error instanceof Error ? error.message : "Unable to open link", ); }); return; } const target = resolvePathLinkTarget(match.text, cwd); void openInPreferredEditor(api, target).catch((error) => { writeSystemMessage( latestTerminal, error instanceof Error ? error.message : "Unable to open path", ); }); }, })), ); }, }); const inputDisposable = terminal.onData((data) => { void api.terminal .write({ threadId, terminalId, data }) .catch((err) => writeSystemMessage( terminal, err instanceof Error ? err.message : "Terminal write failed", ), ); }); const selectionDisposable = terminal.onSelectionChange(() => { if (terminalRef.current?.hasSelection()) { return; } clearSelectionAction(); }); const handleMouseUp = (event: MouseEvent) => { const shouldHandle = shouldHandleTerminalSelectionMouseUp( selectionGestureActiveRef.current, event.button, ); selectionGestureActiveRef.current = false; if (!shouldHandle) { return; } selectionPointerRef.current = { x: event.clientX, y: event.clientY }; const delay = terminalSelectionActionDelayForClickCount(event.detail); selectionActionTimerRef.current = window.setTimeout(() => { selectionActionTimerRef.current = null; window.requestAnimationFrame(() => { void showSelectionAction(); }); }, delay); }; const handlePointerDown = (event: PointerEvent) => { clearSelectionAction(); selectionGestureActiveRef.current = event.button === 0; }; window.addEventListener("mouseup", handleMouseUp); mount.addEventListener("pointerdown", handlePointerDown); const themeObserver = new MutationObserver(() => { const activeTerminal = terminalRef.current; if (!activeTerminal) return; activeTerminal.options.theme = terminalThemeFromApp(); activeTerminal.refresh(0, activeTerminal.rows - 1); }); themeObserver.observe(document.documentElement, { attributes: true, attributeFilter: ["class", "style"], }); const openTerminal = async () => { try { const activeTerminal = terminalRef.current; const activeFitAddon = fitAddonRef.current; if (!activeTerminal || !activeFitAddon) return; activeFitAddon.fit(); const snapshot = await api.terminal.open({ threadId, terminalId, cwd, cols: activeTerminal.cols, rows: activeTerminal.rows, ...(runtimeEnv ? { env: runtimeEnv } : {}), }); if (disposed) return; activeTerminal.write("\u001bc"); if (snapshot.history.length > 0) { activeTerminal.write(snapshot.history); } if (autoFocus) { window.requestAnimationFrame(() => { activeTerminal.focus(); }); } } catch (err) { if (disposed) return; writeSystemMessage( terminal, err instanceof Error ? err.message : "Failed to open terminal",Lines 1–500 of 1173. 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import { FitAddon } from "@xterm/addon-fit"; import { Plus, SquareSplitHorizontal, TerminalSquare, Trash2, XIcon } from "lucide-react"; import { type ThreadId } from "@t3tools/contracts"; import { Terminal, type ITheme } from "@xterm/xterm"; import { type PointerEvent as ReactPointerEvent, type ReactNode, useCallback, useEffect, useMemo, useRef, useState, } from "react"; import { Popover, PopoverPopup, PopoverTrigger } from "~/components/ui/popover"; import { type TerminalContextSelection } from "~/lib/terminalContext"; import { openInPreferredEditor } from "../editorPreferences"; import { extractTerminalLinks, isTerminalLinkActivation, resolvePathLinkTarget, } from "../terminal-links"; import { isTerminalClearShortcut, terminalNavigationShortcutData } from "../keybindings"; import { DEFAULT_THREAD_TERMINAL_HEIGHT, DEFAULT_THREAD_TERMINAL_ID, MAX_TERMINALS_PER_GROUP, type ThreadTerminalGroup, } from "../types"; import { readNativeApi } from "~/nativeApi"; const MIN_DRAWER_HEIGHT = 180; const MAX_DRAWER_HEIGHT_RATIO = 0.75; const MULTI_CLICK_SELECTION_ACTION_DELAY_MS = 260; function maxDrawerHeight(): number { if (typeof window === "undefined") return DEFAULT_THREAD_TERMINAL_HEIGHT; return Math.max(MIN_DRAWER_HEIGHT, Math.floor(window.innerHeight * MAX_DRAWER_HEIGHT_RATIO)); } function clampDrawerHeight(height: number): number { const safeHeight = Number.isFinite(height) ? height : DEFAULT_THREAD_TERMINAL_HEIGHT; const maxHeight = maxDrawerHeight(); return Math.min(Math.max(Math.round(safeHeight), MIN_DRAWER_HEIGHT), maxHeight); } function writeSystemMessage(terminal: Terminal, message: string): void { terminal.write(`\r\n[terminal] ${message}\r\n`); } function terminalThemeFromApp(): ITheme { const isDark = document.documentElement.classList.contains("dark"); const bodyStyles = getComputedStyle(document.body); const background = bodyStyles.backgroundColor || (isDark ? "rgb(14, 18, 24)" : "rgb(255, 255, 255)"); const foreground = bodyStyles.color || (isDark ? "rgb(237, 241, 247)" : "rgb(28, 33, 41)"); if (isDark) { return { background, foreground, cursor: "rgb(180, 203, 255)", selectionBackground: "rgba(180, 203, 255, 0.25)", scrollbarSliderBackground: "rgba(255, 255, 255, 0.1)", scrollbarSliderHoverBackground: "rgba(255, 255, 255, 0.18)", scrollbarSliderActiveBackground: "rgba(255, 255, 255, 0.22)", black: "rgb(24, 30, 38)", red: "rgb(255, 122, 142)", green: "rgb(134, 231, 149)", yellow: "rgb(244, 205, 114)", blue: "rgb(137, 190, 255)", magenta: "rgb(208, 176, 255)", cyan: "rgb(124, 232, 237)", white: "rgb(210, 218, 230)", brightBlack: "rgb(110, 120, 136)", brightRed: "rgb(255, 168, 180)", brightGreen: "rgb(176, 245, 186)", brightYellow: "rgb(255, 224, 149)", brightBlue: "rgb(174, 210, 255)", brightMagenta: "rgb(229, 203, 255)", brightCyan: "rgb(167, 244, 247)", brightWhite: "rgb(244, 247, 252)", }; } return { background, foreground, cursor: "rgb(38, 56, 78)", selectionBackground: "rgba(37, 63, 99, 0.2)", scrollbarSliderBackground: "rgba(0, 0, 0, 0.15)", scrollbarSliderHoverBackground: "rgba(0, 0, 0, 0.25)", scrollbarSliderActiveBackground: "rgba(0, 0, 0, 0.3)", black: "rgb(44, 53, 66)", red: "rgb(191, 70, 87)", green: "rgb(60, 126, 86)", yellow: "rgb(146, 112, 35)", blue: "rgb(72, 102, 163)", magenta: "rgb(132, 86, 149)", cyan: "rgb(53, 127, 141)", white: "rgb(210, 215, 223)", brightBlack: "rgb(112, 123, 140)", brightRed: "rgb(212, 95, 112)", brightGreen: "rgb(85, 148, 111)", brightYellow: "rgb(173, 133, 45)", brightBlue: "rgb(91, 124, 194)", brightMagenta: "rgb(153, 107, 172)", brightCyan: "rgb(70, 149, 164)", brightWhite: "rgb(236, 240, 246)", }; } function getTerminalSelectionRect(mountElement: HTMLElement): DOMRect | null { const selection = window.getSelection(); if (!selection || selection.rangeCount === 0 || selection.isCollapsed) { return null; } const range = selection.getRangeAt(0); const commonAncestor = range.commonAncestorContainer; const selectionRoot = commonAncestor instanceof Element ? commonAncestor : commonAncestor.parentElement; if (!(selectionRoot instanceof Element) || !mountElement.contains(selectionRoot)) { return null; } const rects = Array.from(range.getClientRects()).filter( (rect) => rect.width > 0 || rect.height > 0, ); if (rects.length > 0) { return rects[rects.length - 1] ?? null; } const boundingRect = range.getBoundingClientRect(); return boundingRect.width > 0 || boundingRect.height > 0 ? boundingRect : null; } export function resolveTerminalSelectionActionPosition(options: { bounds: { left: number; top: number; width: number; height: number }; selectionRect: { right: number; bottom: number } | null; pointer: { x: number; y: number } | null; viewport?: { width: number; height: number } | null; }): { x: number; y: number } { const { bounds, selectionRect, pointer, viewport } = options; const viewportWidth = viewport?.width ?? (typeof window === "undefined" ? bounds.left + bounds.width + 8 : window.innerWidth); const viewportHeight = viewport?.height ?? (typeof window === "undefined" ? bounds.top + bounds.height + 8 : window.innerHeight); const drawerLeft = Math.round(bounds.left); const drawerTop = Math.round(bounds.top); const drawerRight = Math.round(bounds.left + bounds.width); const drawerBottom = Math.round(bounds.top + bounds.height); const preferredX = selectionRect !== null ? Math.round(selectionRect.right) : pointer === null ? Math.round(bounds.left + bounds.width - 140) : Math.max(drawerLeft, Math.min(Math.round(pointer.x), drawerRight)); const preferredY = selectionRect !== null ? Math.round(selectionRect.bottom + 4) : pointer === null ? Math.round(bounds.top + 12) : Math.max(drawerTop, Math.min(Math.round(pointer.y), drawerBottom)); return { x: Math.max(8, Math.min(preferredX, Math.max(viewportWidth - 8, 8))), y: Math.max(8, Math.min(preferredY, Math.max(viewportHeight - 8, 8))), }; } export function terminalSelectionActionDelayForClickCount(clickCount: number): number { return clickCount >= 2 ? MULTI_CLICK_SELECTION_ACTION_DELAY_MS : 0; } export function shouldHandleTerminalSelectionMouseUp( selectionGestureActive: boolean, button: number, ): boolean { return selectionGestureActive && button === 0; } interface TerminalViewportProps { threadId: ThreadId; terminalId: string; terminalLabel: string; cwd: string; runtimeEnv?: Record<string, string>; onSessionExited: () => void; onAddTerminalContext: (selection: TerminalContextSelection) => void; focusRequestId: number; autoFocus: boolean; resizeEpoch: number; drawerHeight: number; } function TerminalViewport({ threadId, terminalId, terminalLabel, cwd, runtimeEnv, onSessionExited, onAddTerminalContext, focusRequestId, autoFocus, resizeEpoch, drawerHeight, }: TerminalViewportProps) { const containerRef = useRef<HTMLDivElement>(null); const terminalRef = useRef<Terminal | null>(null); const fitAddonRef = useRef<FitAddon | null>(null); const onSessionExitedRef = useRef(onSessionExited); const onAddTerminalContextRef = useRef(onAddTerminalContext); const terminalLabelRef = useRef(terminalLabel); const hasHandledExitRef = useRef(false); const selectionPointerRef = useRef<{ x: number; y: number } | null>(null); const selectionGestureActiveRef = useRef(false); const selectionActionRequestIdRef = useRef(0); const selectionActionOpenRef = useRef(false); const selectionActionTimerRef = useRef<number | null>(null); useEffect(() => { onSessionExitedRef.current = onSessionExited; }, [onSessionExited]); useEffect(() => { onAddTerminalContextRef.current = onAddTerminalContext; }, [onAddTerminalContext]); useEffect(() => { terminalLabelRef.current = terminalLabel; }, [terminalLabel]); useEffect(() => { const mount = containerRef.current; if (!mount) return; let disposed = false; const fitAddon = new FitAddon(); const terminal = new Terminal({ cursorBlink: true, lineHeight: 1.2, fontSize: 12, scrollback: 5_000, fontFamily: '"SF Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace', theme: terminalThemeFromApp(), }); terminal.loadAddon(fitAddon); terminal.open(mount); fitAddon.fit(); terminalRef.current = terminal; fitAddonRef.current = fitAddon; const api = readNativeApi(); if (!api) return; const clearSelectionAction = () => { selectionActionRequestIdRef.current += 1; if (selectionActionTimerRef.current !== null) { window.clearTimeout(selectionActionTimerRef.current); selectionActionTimerRef.current = null; } }; const readSelectionAction = (): { position: { x: number; y: number }; selection: TerminalContextSelection; } | null => { const activeTerminal = terminalRef.current; const mountElement = containerRef.current; if (!activeTerminal || !mountElement || !activeTerminal.hasSelection()) { return null; } const selectionText = activeTerminal.getSelection(); const selectionPosition = activeTerminal.getSelectionPosition(); const normalizedText = selectionText.replace(/\r\n/g, "\n").replace(/^\n+|\n+$/g, ""); if (!selectionPosition || normalizedText.length === 0) { return null; } const lineStart = selectionPosition.start.y + 1; const lineCount = normalizedText.split("\n").length; const lineEnd = Math.max(lineStart, lineStart + lineCount - 1); const bounds = mountElement.getBoundingClientRect(); const selectionRect = getTerminalSelectionRect(mountElement); const position = resolveTerminalSelectionActionPosition({ bounds, selectionRect: selectionRect === null ? null : { right: selectionRect.right, bottom: selectionRect.bottom }, pointer: selectionPointerRef.current, }); return { position, selection: { terminalId, terminalLabel: terminalLabelRef.current, lineStart, lineEnd, text: normalizedText, }, }; }; const showSelectionAction = async () => { if (selectionActionOpenRef.current) { return; } const nextAction = readSelectionAction(); if (!nextAction) { clearSelectionAction(); return; } const requestId = ++selectionActionRequestIdRef.current; selectionActionOpenRef.current = true; try { const clicked = await api.contextMenu.show( [{ id: "add-to-chat", label: "Add to chat" }], nextAction.position, ); if (requestId !== selectionActionRequestIdRef.current || clicked !== "add-to-chat") { return; } onAddTerminalContextRef.current(nextAction.selection); terminalRef.current?.clearSelection(); terminalRef.current?.focus(); } finally { selectionActionOpenRef.current = false; } }; const sendTerminalInput = async (data: string, fallbackError: string) => { const activeTerminal = terminalRef.current; if (!activeTerminal) return; try { await api.terminal.write({ threadId, terminalId, data }); } catch (error) { writeSystemMessage(activeTerminal, error instanceof Error ? error.message : fallbackError); } }; terminal.attachCustomKeyEventHandler((event) => { const navigationData = terminalNavigationShortcutData(event); if (navigationData !== null) { event.preventDefault(); event.stopPropagation(); void sendTerminalInput(navigationData, "Failed to move cursor"); return false; } if (!isTerminalClearShortcut(event)) return true; event.preventDefault(); event.stopPropagation(); void sendTerminalInput("\u000c", "Failed to clear terminal"); return false; }); const terminalLinksDisposable = terminal.registerLinkProvider({ provideLinks: (bufferLineNumber, callback) => { const activeTerminal = terminalRef.current; if (!activeTerminal) { callback(undefined); return; } const line = activeTerminal.buffer.active.getLine(bufferLineNumber - 1); if (!line) { callback(undefined); return; } const lineText = line.translateToString(true); const matches = extractTerminalLinks(lineText); if (matches.length === 0) { callback(undefined); return; } callback( matches.map((match) => ({ text: match.text, range: { start: { x: match.start + 1, y: bufferLineNumber }, end: { x: match.end, y: bufferLineNumber }, }, activate: (event: MouseEvent) => { if (!isTerminalLinkActivation(event)) return; const latestTerminal = terminalRef.current; if (!latestTerminal) return; if (match.kind === "url") { void api.shell.openExternal(match.text).catch((error) => { writeSystemMessage( latestTerminal, error instanceof Error ? error.message : "Unable to open link", ); }); return; } const target = resolvePathLinkTarget(match.text, cwd); void openInPreferredEditor(api, target).catch((error) => { writeSystemMessage( latestTerminal, error instanceof Error ? error.message : "Unable to open path", ); }); }, })), ); }, }); const inputDisposable = terminal.onData((data) => { void api.terminal .write({ threadId, terminalId, data }) .catch((err) => writeSystemMessage( terminal, err instanceof Error ? err.message : "Terminal write failed", ), ); }); const selectionDisposable = terminal.onSelectionChange(() => { if (terminalRef.current?.hasSelection()) { return; } clearSelectionAction(); }); const handleMouseUp = (event: MouseEvent) => { const shouldHandle = shouldHandleTerminalSelectionMouseUp( selectionGestureActiveRef.current, event.button, ); selectionGestureActiveRef.current = false; if (!shouldHandle) { return; } selectionPointerRef.current = { x: event.clientX, y: event.clientY }; const delay = terminalSelectionActionDelayForClickCount(event.detail); selectionActionTimerRef.current = window.setTimeout(() => { selectionActionTimerRef.current = null; window.requestAnimationFrame(() => { void showSelectionAction(); }); }, delay); }; const handlePointerDown = (event: PointerEvent) => { clearSelectionAction(); selectionGestureActiveRef.current = event.button === 0; }; window.addEventListener("mouseup", handleMouseUp); mount.addEventListener("pointerdown", handlePointerDown); const themeObserver = new MutationObserver(() => { const activeTerminal = terminalRef.current; if (!activeTerminal) return; activeTerminal.options.theme = terminalThemeFromApp(); activeTerminal.refresh(0, activeTerminal.rows - 1); }); themeObserver.observe(document.documentElement, { attributes: true, attributeFilter: ["class", "style"], }); const openTerminal = async () => { try { const activeTerminal = terminalRef.current; const activeFitAddon = fitAddonRef.current; if (!activeTerminal || !activeFitAddon) return; activeFitAddon.fit(); const snapshot = await api.terminal.open({ threadId, terminalId, cwd, cols: activeTerminal.cols, rows: activeTerminal.rows, ...(runtimeEnv ? { env: runtimeEnv } : {}), }); if (disposed) return; activeTerminal.write("\u001bc"); if (snapshot.history.length > 0) { activeTerminal.write(snapshot.history); } if (autoFocus) { window.requestAnimationFrame(() => { activeTerminal.focus(); }); } } catch (err) { if (disposed) return; writeSystemMessage( terminal, err instanceof Error ? err.message : "Failed to open terminal",