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terminalInstance.ts
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terminalInstance.ts
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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { isFirefox } from 'vs/base/browser/browser';
import { BrowserFeatures } from 'vs/base/browser/canIUse';
import { DataTransfers } from 'vs/base/browser/dnd';
import * as dom from 'vs/base/browser/dom';
import { StandardKeyboardEvent } from 'vs/base/browser/keyboardEvent';
import { Orientation } from 'vs/base/browser/ui/sash/sash';
import { DomScrollableElement } from 'vs/base/browser/ui/scrollbar/scrollableElement';
import { AutoOpenBarrier, Promises, disposableTimeout, timeout } from 'vs/base/common/async';
import { Codicon } from 'vs/base/common/codicons';
import { debounce } from 'vs/base/common/decorators';
import { ErrorNoTelemetry, onUnexpectedError } from 'vs/base/common/errors';
import { Emitter, Event } from 'vs/base/common/event';
import { KeyCode } from 'vs/base/common/keyCodes';
import { ISeparator, template } from 'vs/base/common/labels';
import { Disposable, DisposableStore, IDisposable, MutableDisposable, dispose, toDisposable } from 'vs/base/common/lifecycle';
import { Schemas } from 'vs/base/common/network';
import * as path from 'vs/base/common/path';
import { OS, OperatingSystem, isMacintosh, isWindows } from 'vs/base/common/platform';
import { ScrollbarVisibility } from 'vs/base/common/scrollable';
import { URI } from 'vs/base/common/uri';
import { TabFocus } from 'vs/editor/browser/config/tabFocus';
import * as nls from 'vs/nls';
import { IAccessibilityService } from 'vs/platform/accessibility/common/accessibility';
import { AccessibilitySignal, IAccessibilitySignalService } from 'vs/platform/accessibilitySignal/browser/accessibilitySignalService';
import { IClipboardService } from 'vs/platform/clipboard/common/clipboardService';
import { ICommandService } from 'vs/platform/commands/common/commands';
import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
import { IContextKey, IContextKeyService } from 'vs/platform/contextkey/common/contextkey';
import { CodeDataTransfers, containsDragType } from 'vs/platform/dnd/browser/dnd';
import { FileSystemProviderCapabilities, IFileService } from 'vs/platform/files/common/files';
import { IInstantiationService } from 'vs/platform/instantiation/common/instantiation';
import { ServiceCollection } from 'vs/platform/instantiation/common/serviceCollection';
import { IKeybindingService } from 'vs/platform/keybinding/common/keybinding';
import { ResultKind } from 'vs/platform/keybinding/common/keybindingResolver';
import { INotificationService, IPromptChoice, Severity } from 'vs/platform/notification/common/notification';
import { IOpenerService } from 'vs/platform/opener/common/opener';
import { IProductService } from 'vs/platform/product/common/productService';
import { IQuickInputService, IQuickPickItem, QuickPickItem } from 'vs/platform/quickinput/common/quickInput';
import { IStorageService, StorageScope, StorageTarget } from 'vs/platform/storage/common/storage';
import { ITelemetryService } from 'vs/platform/telemetry/common/telemetry';
import { IMarkProperties, ITerminalCommand, TerminalCapability } from 'vs/platform/terminal/common/capabilities/capabilities';
import { TerminalCapabilityStoreMultiplexer } from 'vs/platform/terminal/common/capabilities/terminalCapabilityStore';
import { IEnvironmentVariableCollection, IMergedEnvironmentVariableCollection } from 'vs/platform/terminal/common/environmentVariable';
import { deserializeEnvironmentVariableCollections } from 'vs/platform/terminal/common/environmentVariableShared';
import { IProcessDataEvent, IProcessPropertyMap, IReconnectionProperties, IShellLaunchConfig, ITerminalDimensionsOverride, ITerminalLaunchError, ITerminalLogService, PosixShellType, ProcessPropertyType, ShellIntegrationStatus, TerminalExitReason, TerminalIcon, TerminalLocation, TerminalSettingId, TerminalShellType, TitleEventSource, WindowsShellType } from 'vs/platform/terminal/common/terminal';
import { formatMessageForTerminal } from 'vs/platform/terminal/common/terminalStrings';
import { editorBackground } from 'vs/platform/theme/common/colorRegistry';
import { getIconRegistry } from 'vs/platform/theme/common/iconRegistry';
import { IColorTheme, IThemeService } from 'vs/platform/theme/common/themeService';
import { IWorkspaceContextService, IWorkspaceFolder } from 'vs/platform/workspace/common/workspace';
import { IWorkspaceTrustRequestService } from 'vs/platform/workspace/common/workspaceTrust';
import { PANEL_BACKGROUND, SIDE_BAR_BACKGROUND } from 'vs/workbench/common/theme';
import { IViewDescriptorService, ViewContainerLocation } from 'vs/workbench/common/views';
import { IViewsService } from 'vs/workbench/services/views/common/viewsService';
import { AccessibilityVerbositySettingId } from 'vs/workbench/contrib/accessibility/browser/accessibilityConfiguration';
import { IRequestAddInstanceToGroupEvent, ITerminalConfigurationService, ITerminalContribution, ITerminalInstance, IXtermColorProvider, TerminalDataTransfers } from 'vs/workbench/contrib/terminal/browser/terminal';
import { TerminalLaunchHelpAction } from 'vs/workbench/contrib/terminal/browser/terminalActions';
import { TerminalEditorInput } from 'vs/workbench/contrib/terminal/browser/terminalEditorInput';
import { TerminalExtensionsRegistry } from 'vs/workbench/contrib/terminal/browser/terminalExtensions';
import { getColorClass, createColorStyleElement, getStandardColors } from 'vs/workbench/contrib/terminal/browser/terminalIcon';
import { TerminalProcessManager } from 'vs/workbench/contrib/terminal/browser/terminalProcessManager';
import { showRunRecentQuickPick } from 'vs/workbench/contrib/terminal/browser/terminalRunRecentQuickPick';
import { ITerminalStatusList, TerminalStatus, TerminalStatusList } from 'vs/workbench/contrib/terminal/browser/terminalStatusList';
import { getTerminalResourcesFromDragEvent, getTerminalUri } from 'vs/workbench/contrib/terminal/browser/terminalUri';
import { TerminalWidgetManager } from 'vs/workbench/contrib/terminal/browser/widgets/widgetManager';
import { LineDataEventAddon } from 'vs/workbench/contrib/terminal/browser/xterm/lineDataEventAddon';
import { XtermTerminal, getXtermScaledDimensions } from 'vs/workbench/contrib/terminal/browser/xterm/xtermTerminal';
import { IEnvironmentVariableInfo } from 'vs/workbench/contrib/terminal/common/environmentVariable';
import { getCommandHistory, getDirectoryHistory } from 'vs/workbench/contrib/terminal/common/history';
import { DEFAULT_COMMANDS_TO_SKIP_SHELL, ITerminalProcessManager, ITerminalProfileResolverService, ProcessState, TERMINAL_CREATION_COMMANDS, TERMINAL_VIEW_ID, TerminalCommandId } from 'vs/workbench/contrib/terminal/common/terminal';
import { TERMINAL_BACKGROUND_COLOR } from 'vs/workbench/contrib/terminal/common/terminalColorRegistry';
import { TerminalContextKeys } from 'vs/workbench/contrib/terminal/common/terminalContextKey';
import { getWorkspaceForTerminal, preparePathForShell } from 'vs/workbench/contrib/terminal/common/terminalEnvironment';
import { IEditorService } from 'vs/workbench/services/editor/common/editorService';
import { IWorkbenchEnvironmentService } from 'vs/workbench/services/environment/common/environmentService';
import { IHistoryService } from 'vs/workbench/services/history/common/history';
import { IWorkbenchLayoutService, Position } from 'vs/workbench/services/layout/browser/layoutService';
import { IPathService } from 'vs/workbench/services/path/common/pathService';
import { IPreferencesService } from 'vs/workbench/services/preferences/common/preferences';
import { importAMDNodeModule } from 'vs/amdX';
import type { IMarker, Terminal as XTermTerminal } from '@xterm/xterm';
import { AccessibilityCommandId } from 'vs/workbench/contrib/accessibility/common/accessibilityCommands';
import { terminalStrings } from 'vs/workbench/contrib/terminal/common/terminalStrings';
import { shouldPasteTerminalText } from 'vs/workbench/contrib/terminal/common/terminalClipboard';
import { TerminalIconPicker } from 'vs/workbench/contrib/terminal/browser/terminalIconPicker';
import { IHostService } from 'vs/workbench/services/host/browser/host';
// HACK: This file should not depend on terminalContrib
// eslint-disable-next-line local/code-import-patterns
import { TerminalAccessibilityCommandId } from 'vs/workbench/contrib/terminalContrib/accessibility/common/terminal.accessibility';
const enum Constants {
/**
* The maximum amount of milliseconds to wait for a container before starting to create the
* terminal process. This period helps ensure the terminal has good initial dimensions to work
* with if it's going to be a foreground terminal.
*/
WaitForContainerThreshold = 100,
DefaultCols = 80,
DefaultRows = 30,
MaxCanvasWidth = 4096
}
let xtermConstructor: Promise<typeof XTermTerminal> | undefined;
interface ICanvasDimensions {
width: number;
height: number;
}
interface IGridDimensions {
cols: number;
rows: number;
}
const shellIntegrationSupportedShellTypes = [
PosixShellType.Bash,
PosixShellType.Zsh,
PosixShellType.PowerShell,
PosixShellType.Python,
WindowsShellType.PowerShell
];
export class TerminalInstance extends Disposable implements ITerminalInstance {
private static _lastKnownCanvasDimensions: ICanvasDimensions | undefined;
private static _lastKnownGridDimensions: IGridDimensions | undefined;
private static _instanceIdCounter = 1;
private readonly _scopedInstantiationService: IInstantiationService;
private readonly _processManager: ITerminalProcessManager;
private readonly _contributions: Map<string, ITerminalContribution> = new Map();
private readonly _resource: URI;
private _xtermReadyPromise: Promise<XtermTerminal>;
private _pressAnyKeyToCloseListener: IDisposable | undefined;
private _instanceId: number;
private _latestXtermWriteData: number = 0;
private _latestXtermParseData: number = 0;
private _isExiting: boolean;
private _hadFocusOnExit: boolean;
private _isVisible: boolean;
private _exitCode: number | undefined;
private _exitReason: TerminalExitReason | undefined;
private _skipTerminalCommands: string[];
private _shellType: TerminalShellType | undefined;
private _title: string = '';
private _titleSource: TitleEventSource = TitleEventSource.Process;
private _container: HTMLElement | undefined;
private _wrapperElement: (HTMLElement & { xterm?: XTermTerminal });
get domElement(): HTMLElement { return this._wrapperElement; }
private _horizontalScrollbar: DomScrollableElement | undefined;
private _terminalFocusContextKey: IContextKey<boolean>;
private _terminalHasFixedWidth: IContextKey<boolean>;
private _terminalHasTextContextKey: IContextKey<boolean>;
private _terminalAltBufferActiveContextKey: IContextKey<boolean>;
private _terminalShellIntegrationEnabledContextKey: IContextKey<boolean>;
private _cols: number = 0;
private _rows: number = 0;
private _fixedCols: number | undefined;
private _fixedRows: number | undefined;
private _cwd: string | undefined = undefined;
private _initialCwd: string | undefined = undefined;
private _injectedArgs: string[] | undefined = undefined;
private _layoutSettingsChanged: boolean = true;
private _dimensionsOverride: ITerminalDimensionsOverride | undefined;
private _areLinksReady: boolean = false;
private readonly _initialDataEventsListener: MutableDisposable<IDisposable> = this._register(new MutableDisposable());
private _initialDataEvents: string[] | undefined = [];
private _containerReadyBarrier: AutoOpenBarrier;
private _attachBarrier: AutoOpenBarrier;
private _icon: TerminalIcon | undefined;
private readonly _messageTitleDisposable: MutableDisposable<IDisposable> = this._register(new MutableDisposable());
private _widgetManager: TerminalWidgetManager;
private readonly _dndObserver: MutableDisposable<IDisposable> = this._register(new MutableDisposable());
private _lastLayoutDimensions: dom.Dimension | undefined;
private _hasHadInput: boolean;
private _description?: string;
private _processName: string = '';
private _sequence?: string;
private _staticTitle?: string;
private _workspaceFolder?: IWorkspaceFolder;
private _labelComputer?: TerminalLabelComputer;
private _userHome?: string;
private _hasScrollBar?: boolean;
private _target?: TerminalLocation | undefined;
private _usedShellIntegrationInjection: boolean = false;
get usedShellIntegrationInjection(): boolean { return this._usedShellIntegrationInjection; }
private _lineDataEventAddon: LineDataEventAddon | undefined;
private readonly _scopedContextKeyService: IContextKeyService;
readonly capabilities = this._register(new TerminalCapabilityStoreMultiplexer());
readonly statusList: ITerminalStatusList;
get store(): DisposableStore {
return this._store;
}
get extEnvironmentVariableCollection(): IMergedEnvironmentVariableCollection | undefined { return this._processManager.extEnvironmentVariableCollection; }
xterm?: XtermTerminal;
disableLayout: boolean = false;
get waitOnExit(): ITerminalInstance['waitOnExit'] { return this._shellLaunchConfig.attachPersistentProcess?.waitOnExit || this._shellLaunchConfig.waitOnExit; }
set waitOnExit(value: ITerminalInstance['waitOnExit']) {
this._shellLaunchConfig.waitOnExit = value;
}
get target(): TerminalLocation | undefined { return this._target; }
set target(value: TerminalLocation | undefined) {
this._target = value;
this._onDidChangeTarget.fire(value);
}
get instanceId(): number { return this._instanceId; }
get resource(): URI { return this._resource; }
get cols(): number {
if (this._fixedCols !== undefined) {
return this._fixedCols;
}
if (this._dimensionsOverride && this._dimensionsOverride.cols) {
if (this._dimensionsOverride.forceExactSize) {
return this._dimensionsOverride.cols;
}
return Math.min(Math.max(this._dimensionsOverride.cols, 2), this._cols);
}
return this._cols;
}
get rows(): number {
if (this._fixedRows !== undefined) {
return this._fixedRows;
}
if (this._dimensionsOverride && this._dimensionsOverride.rows) {
if (this._dimensionsOverride.forceExactSize) {
return this._dimensionsOverride.rows;
}
return Math.min(Math.max(this._dimensionsOverride.rows, 2), this._rows);
}
return this._rows;
}
get isDisposed(): boolean { return this._store.isDisposed; }
get fixedCols(): number | undefined { return this._fixedCols; }
get fixedRows(): number | undefined { return this._fixedRows; }
get maxCols(): number { return this._cols; }
get maxRows(): number { return this._rows; }
// TODO: Ideally processId would be merged into processReady
get processId(): number | undefined { return this._processManager.shellProcessId; }
// TODO: How does this work with detached processes?
// TODO: Should this be an event as it can fire twice?
get processReady(): Promise<void> { return this._processManager.ptyProcessReady; }
get hasChildProcesses(): boolean { return this.shellLaunchConfig.attachPersistentProcess?.hasChildProcesses || this._processManager.hasChildProcesses; }
get reconnectionProperties(): IReconnectionProperties | undefined { return this.shellLaunchConfig.attachPersistentProcess?.reconnectionProperties || this.shellLaunchConfig.reconnectionProperties; }
get areLinksReady(): boolean { return this._areLinksReady; }
get initialDataEvents(): string[] | undefined { return this._initialDataEvents; }
get exitCode(): number | undefined { return this._exitCode; }
get exitReason(): TerminalExitReason | undefined { return this._exitReason; }
get hadFocusOnExit(): boolean { return this._hadFocusOnExit; }
get isTitleSetByProcess(): boolean { return !!this._messageTitleDisposable.value; }
get shellLaunchConfig(): IShellLaunchConfig { return this._shellLaunchConfig; }
get shellType(): TerminalShellType | undefined { return this._shellType; }
get os(): OperatingSystem | undefined { return this._processManager.os; }
get isRemote(): boolean { return this._processManager.remoteAuthority !== undefined; }
get remoteAuthority(): string | undefined { return this._processManager.remoteAuthority; }
get hasFocus(): boolean { return dom.isAncestorOfActiveElement(this._wrapperElement); }
get title(): string { return this._title; }
get titleSource(): TitleEventSource { return this._titleSource; }
get icon(): TerminalIcon | undefined { return this._getIcon(); }
get color(): string | undefined { return this._getColor(); }
get processName(): string { return this._processName; }
get sequence(): string | undefined { return this._sequence; }
get staticTitle(): string | undefined { return this._staticTitle; }
get workspaceFolder(): IWorkspaceFolder | undefined { return this._workspaceFolder; }
get cwd(): string | undefined { return this._cwd; }
get initialCwd(): string | undefined { return this._initialCwd; }
get description(): string | undefined {
if (this._description) {
return this._description;
}
const type = this.shellLaunchConfig.attachPersistentProcess?.type || this.shellLaunchConfig.type;
switch (type) {
case 'Task': return terminalStrings.typeTask;
case 'Local': return terminalStrings.typeLocal;
default: return undefined;
}
}
get userHome(): string | undefined { return this._userHome; }
get shellIntegrationNonce(): string { return this._processManager.shellIntegrationNonce; }
get injectedArgs(): string[] | undefined { return this._injectedArgs; }
// The onExit event is special in that it fires and is disposed after the terminal instance
// itself is disposed
private readonly _onExit = new Emitter<number | ITerminalLaunchError | undefined>();
readonly onExit = this._onExit.event;
private readonly _onDisposed = this._register(new Emitter<ITerminalInstance>());
readonly onDisposed = this._onDisposed.event;
private readonly _onProcessIdReady = this._register(new Emitter<ITerminalInstance>());
readonly onProcessIdReady = this._onProcessIdReady.event;
private readonly _onProcessReplayComplete = this._register(new Emitter<void>());
readonly onProcessReplayComplete = this._onProcessReplayComplete.event;
private readonly _onTitleChanged = this._register(new Emitter<ITerminalInstance>());
readonly onTitleChanged = this._onTitleChanged.event;
private readonly _onIconChanged = this._register(new Emitter<{ instance: ITerminalInstance; userInitiated: boolean }>());
readonly onIconChanged = this._onIconChanged.event;
private readonly _onWillData = this._register(new Emitter<string>());
readonly onWillData = this._onWillData.event;
private readonly _onData = this._register(new Emitter<string>());
readonly onData = this._onData.event;
private readonly _onBinary = this._register(new Emitter<string>());
readonly onBinary = this._onBinary.event;
private readonly _onLineData = this._register(new Emitter<string>({
onDidAddFirstListener: () => this._onLineDataSetup()
}));
readonly onLineData = this._onLineData.event;
private readonly _onRequestExtHostProcess = this._register(new Emitter<ITerminalInstance>());
readonly onRequestExtHostProcess = this._onRequestExtHostProcess.event;
private readonly _onDimensionsChanged = this._register(new Emitter<void>());
readonly onDimensionsChanged = this._onDimensionsChanged.event;
private readonly _onMaximumDimensionsChanged = this._register(new Emitter<void>());
readonly onMaximumDimensionsChanged = this._onMaximumDimensionsChanged.event;
private readonly _onDidFocus = this._register(new Emitter<ITerminalInstance>());
readonly onDidFocus = this._onDidFocus.event;
private readonly _onDidRequestFocus = this._register(new Emitter<void>());
readonly onDidRequestFocus = this._onDidRequestFocus.event;
private readonly _onDidBlur = this._register(new Emitter<ITerminalInstance>());
readonly onDidBlur = this._onDidBlur.event;
private readonly _onDidInputData = this._register(new Emitter<string>());
readonly onDidInputData = this._onDidInputData.event;
private readonly _onDidChangeSelection = this._register(new Emitter<ITerminalInstance>());
readonly onDidChangeSelection = this._onDidChangeSelection.event;
private readonly _onRequestAddInstanceToGroup = this._register(new Emitter<IRequestAddInstanceToGroupEvent>());
readonly onRequestAddInstanceToGroup = this._onRequestAddInstanceToGroup.event;
private readonly _onDidChangeHasChildProcesses = this._register(new Emitter<boolean>());
readonly onDidChangeHasChildProcesses = this._onDidChangeHasChildProcesses.event;
private readonly _onDidExecuteText = this._register(new Emitter<void>());
readonly onDidExecuteText = this._onDidExecuteText.event;
private readonly _onDidChangeTarget = this._register(new Emitter<TerminalLocation | undefined>());
readonly onDidChangeTarget = this._onDidChangeTarget.event;
private readonly _onDidSendText = this._register(new Emitter<string>());
readonly onDidSendText = this._onDidSendText.event;
private readonly _onDidChangeShellType = this._register(new Emitter<TerminalShellType>());
readonly onDidChangeShellType = this._onDidChangeShellType.event;
constructor(
private readonly _terminalShellTypeContextKey: IContextKey<string>,
private readonly _terminalInRunCommandPicker: IContextKey<boolean>,
private _shellLaunchConfig: IShellLaunchConfig,
@IContextKeyService private readonly _contextKeyService: IContextKeyService,
@IInstantiationService instantiationService: IInstantiationService,
@ITerminalConfigurationService private readonly _terminalConfigurationService: ITerminalConfigurationService,
@ITerminalProfileResolverService private readonly _terminalProfileResolverService: ITerminalProfileResolverService,
@IPathService private readonly _pathService: IPathService,
@IKeybindingService private readonly _keybindingService: IKeybindingService,
@INotificationService private readonly _notificationService: INotificationService,
@IPreferencesService private readonly _preferencesService: IPreferencesService,
@IViewsService private readonly _viewsService: IViewsService,
@IClipboardService private readonly _clipboardService: IClipboardService,
@IThemeService private readonly _themeService: IThemeService,
@IConfigurationService private readonly _configurationService: IConfigurationService,
@ITerminalLogService private readonly _logService: ITerminalLogService,
@IStorageService private readonly _storageService: IStorageService,
@IAccessibilityService private readonly _accessibilityService: IAccessibilityService,
@IProductService private readonly _productService: IProductService,
@IQuickInputService private readonly _quickInputService: IQuickInputService,
@IWorkbenchEnvironmentService workbenchEnvironmentService: IWorkbenchEnvironmentService,
@IWorkspaceContextService private readonly _workspaceContextService: IWorkspaceContextService,
@IEditorService private readonly _editorService: IEditorService,
@IWorkspaceTrustRequestService private readonly _workspaceTrustRequestService: IWorkspaceTrustRequestService,
@IHistoryService private readonly _historyService: IHistoryService,
@ITelemetryService private readonly _telemetryService: ITelemetryService,
@IOpenerService private readonly _openerService: IOpenerService,
@ICommandService private readonly _commandService: ICommandService,
@IAccessibilitySignalService private readonly _accessibilitySignalService: IAccessibilitySignalService,
@IViewDescriptorService private readonly _viewDescriptorService: IViewDescriptorService,
) {
super();
this._wrapperElement = document.createElement('div');
this._wrapperElement.classList.add('terminal-wrapper');
this._widgetManager = this._register(instantiationService.createInstance(TerminalWidgetManager));
this._skipTerminalCommands = [];
this._isExiting = false;
this._hadFocusOnExit = false;
this._isVisible = false;
this._instanceId = TerminalInstance._instanceIdCounter++;
this._hasHadInput = false;
this._fixedRows = _shellLaunchConfig.attachPersistentProcess?.fixedDimensions?.rows;
this._fixedCols = _shellLaunchConfig.attachPersistentProcess?.fixedDimensions?.cols;
this._resource = getTerminalUri(this._workspaceContextService.getWorkspace().id, this.instanceId, this.title);
if (this._shellLaunchConfig.attachPersistentProcess?.hideFromUser) {
this._shellLaunchConfig.hideFromUser = this._shellLaunchConfig.attachPersistentProcess.hideFromUser;
}
if (this._shellLaunchConfig.attachPersistentProcess?.isFeatureTerminal) {
this._shellLaunchConfig.isFeatureTerminal = this._shellLaunchConfig.attachPersistentProcess.isFeatureTerminal;
}
if (this._shellLaunchConfig.attachPersistentProcess?.type) {
this._shellLaunchConfig.type = this._shellLaunchConfig.attachPersistentProcess.type;
}
if (this.shellLaunchConfig.cwd) {
const cwdUri = typeof this._shellLaunchConfig.cwd === 'string' ? URI.from({
scheme: Schemas.file,
path: this._shellLaunchConfig.cwd
}) : this._shellLaunchConfig.cwd;
if (cwdUri) {
this._workspaceFolder = this._workspaceContextService.getWorkspaceFolder(cwdUri) ?? undefined;
}
}
if (!this._workspaceFolder) {
const activeWorkspaceRootUri = this._historyService.getLastActiveWorkspaceRoot();
this._workspaceFolder = activeWorkspaceRootUri ? this._workspaceContextService.getWorkspaceFolder(activeWorkspaceRootUri) ?? undefined : undefined;
}
const scopedContextKeyService = this._register(_contextKeyService.createScoped(this._wrapperElement));
this._scopedContextKeyService = scopedContextKeyService;
this._scopedInstantiationService = instantiationService.createChild(new ServiceCollection(
[IContextKeyService, scopedContextKeyService]
));
this._terminalFocusContextKey = TerminalContextKeys.focus.bindTo(scopedContextKeyService);
this._terminalHasFixedWidth = TerminalContextKeys.terminalHasFixedWidth.bindTo(scopedContextKeyService);
this._terminalHasTextContextKey = TerminalContextKeys.textSelected.bindTo(scopedContextKeyService);
this._terminalAltBufferActiveContextKey = TerminalContextKeys.altBufferActive.bindTo(scopedContextKeyService);
this._terminalShellIntegrationEnabledContextKey = TerminalContextKeys.terminalShellIntegrationEnabled.bindTo(scopedContextKeyService);
this._logService.trace(`terminalInstance#ctor (instanceId: ${this.instanceId})`, this._shellLaunchConfig);
this._register(this.capabilities.onDidAddCapabilityType(e => {
this._logService.debug('terminalInstance added capability', e);
if (e === TerminalCapability.CwdDetection) {
this.capabilities.get(TerminalCapability.CwdDetection)?.onDidChangeCwd(e => {
this._cwd = e;
this._setTitle(this.title, TitleEventSource.Config);
this._scopedInstantiationService.invokeFunction(getDirectoryHistory)?.add(e, { remoteAuthority: this.remoteAuthority });
});
} else if (e === TerminalCapability.CommandDetection) {
const commandCapability = this.capabilities.get(TerminalCapability.CommandDetection);
commandCapability?.onCommandFinished(e => {
if (e.command.trim().length > 0) {
this._scopedInstantiationService.invokeFunction(getCommandHistory)?.add(e.command, { shellType: this._shellType });
}
});
}
}));
this._register(this.capabilities.onDidRemoveCapabilityType(e => this._logService.debug('terminalInstance removed capability', e)));
// Resolve just the icon ahead of time so that it shows up immediately in the tabs. This is
// disabled in remote because this needs to be sync and the OS may differ on the remote
// which would result in the wrong profile being selected and the wrong icon being
// permanently attached to the terminal. This also doesn't work when the default profile
// setting is set to null, that's handled after the process is created.
if (!this.shellLaunchConfig.executable && !workbenchEnvironmentService.remoteAuthority) {
this._terminalProfileResolverService.resolveIcon(this._shellLaunchConfig, OS);
}
this._icon = _shellLaunchConfig.attachPersistentProcess?.icon || _shellLaunchConfig.icon;
// When a custom pty is used set the name immediately so it gets passed over to the exthost
// and is available when Pseudoterminal.open fires.
if (this.shellLaunchConfig.customPtyImplementation) {
this._setTitle(this._shellLaunchConfig.name, TitleEventSource.Api);
}
this.statusList = this._register(this._scopedInstantiationService.createInstance(TerminalStatusList));
this._initDimensions();
this._processManager = this._createProcessManager();
this._containerReadyBarrier = new AutoOpenBarrier(Constants.WaitForContainerThreshold);
this._attachBarrier = new AutoOpenBarrier(1000);
this._xtermReadyPromise = this._createXterm();
this._xtermReadyPromise.then(async () => {
// Wait for a period to allow a container to be ready
await this._containerReadyBarrier.wait();
// Resolve the executable ahead of time if shell integration is enabled, this should not
// be done for custom PTYs as that would cause extension Pseudoterminal-based terminals
// to hang in resolver extensions
if (!this.shellLaunchConfig.customPtyImplementation && this._terminalConfigurationService.config.shellIntegration?.enabled && !this.shellLaunchConfig.executable) {
const os = await this._processManager.getBackendOS();
const defaultProfile = (await this._terminalProfileResolverService.getDefaultProfile({ remoteAuthority: this.remoteAuthority, os }));
this.shellLaunchConfig.executable = defaultProfile.path;
this.shellLaunchConfig.args = defaultProfile.args;
if (this.shellLaunchConfig.isExtensionOwnedTerminal) {
// Only use default icon and color and env if they are undefined in the SLC
this.shellLaunchConfig.icon ??= defaultProfile.icon;
this.shellLaunchConfig.color ??= defaultProfile.color;
this.shellLaunchConfig.env ??= defaultProfile.env;
} else {
this.shellLaunchConfig.icon = defaultProfile.icon;
this.shellLaunchConfig.color = defaultProfile.color;
this.shellLaunchConfig.env = defaultProfile.env;
}
}
await this._createProcess();
// Re-establish the title after reconnect
if (this.shellLaunchConfig.attachPersistentProcess) {
this._cwd = this.shellLaunchConfig.attachPersistentProcess.cwd;
this._setTitle(this.shellLaunchConfig.attachPersistentProcess.title, this.shellLaunchConfig.attachPersistentProcess.titleSource);
this.setShellType(this.shellType);
}
if (this._fixedCols) {
await this._addScrollbar();
}
}).catch((err) => {
// Ignore exceptions if the terminal is already disposed
if (!this.isDisposed) {
throw err;
}
});
this._register(this._configurationService.onDidChangeConfiguration(async e => {
if (e.affectsConfiguration(AccessibilityVerbositySettingId.Terminal)) {
this._setAriaLabel(this.xterm?.raw, this._instanceId, this.title);
}
if (e.affectsConfiguration('terminal.integrated')) {
this.updateConfig();
this.setVisible(this._isVisible);
}
const layoutSettings: string[] = [
TerminalSettingId.FontSize,
TerminalSettingId.FontFamily,
TerminalSettingId.FontWeight,
TerminalSettingId.FontWeightBold,
TerminalSettingId.LetterSpacing,
TerminalSettingId.LineHeight,
'editor.fontFamily'
];
if (layoutSettings.some(id => e.affectsConfiguration(id))) {
this._layoutSettingsChanged = true;
await this._resize();
}
if (e.affectsConfiguration(TerminalSettingId.UnicodeVersion)) {
this._updateUnicodeVersion();
}
if (e.affectsConfiguration('editor.accessibilitySupport')) {
this.updateAccessibilitySupport();
}
if (
e.affectsConfiguration(TerminalSettingId.TerminalTitle) ||
e.affectsConfiguration(TerminalSettingId.TerminalTitleSeparator) ||
e.affectsConfiguration(TerminalSettingId.TerminalDescription)) {
this._labelComputer?.refreshLabel(this);
}
}));
this._register(this._workspaceContextService.onDidChangeWorkspaceFolders(() => this._labelComputer?.refreshLabel(this)));
// Clear out initial data events after 10 seconds, hopefully extension hosts are up and
// running at that point.
let initialDataEventsTimeout: number | undefined = dom.getWindow(this._container).setTimeout(() => {
initialDataEventsTimeout = undefined;
this._initialDataEvents = undefined;
this._initialDataEventsListener.clear();
}, 10000);
this._register(toDisposable(() => {
if (initialDataEventsTimeout) {
dom.getWindow(this._container).clearTimeout(initialDataEventsTimeout);
}
}));
// Initialize contributions
const contributionDescs = TerminalExtensionsRegistry.getTerminalContributions();
for (const desc of contributionDescs) {
if (this._contributions.has(desc.id)) {
onUnexpectedError(new Error(`Cannot have two terminal contributions with the same id ${desc.id}`));
continue;
}
let contribution: ITerminalContribution;
try {
contribution = this._register(this._scopedInstantiationService.createInstance(desc.ctor, this, this._processManager, this._widgetManager));
this._contributions.set(desc.id, contribution);
} catch (err) {
onUnexpectedError(err);
}
this._xtermReadyPromise.then(xterm => {
contribution.xtermReady?.(xterm);
});
this._register(this.onDisposed(() => {
contribution.dispose();
this._contributions.delete(desc.id);
// Just in case to prevent potential future memory leaks due to cyclic dependency.
if ('instance' in contribution) {
delete contribution.instance;
}
if ('_instance' in contribution) {
delete contribution._instance;
}
}));
}
}
public getContribution<T extends ITerminalContribution>(id: string): T | null {
return this._contributions.get(id) as T | null;
}
private _getIcon(): TerminalIcon | undefined {
if (!this._icon) {
this._icon = this._processManager.processState >= ProcessState.Launching
? getIconRegistry().getIcon(this._configurationService.getValue(TerminalSettingId.TabsDefaultIcon))
: undefined;
}
return this._icon;
}
private _getColor(): string | undefined {
if (this.shellLaunchConfig.color) {
return this.shellLaunchConfig.color;
}
if (this.shellLaunchConfig?.attachPersistentProcess?.color) {
return this.shellLaunchConfig.attachPersistentProcess.color;
}
if (this._processManager.processState >= ProcessState.Launching) {
return undefined;
}
return undefined;
}
private _initDimensions(): void {
// The terminal panel needs to have been created to get the real view dimensions
if (!this._container) {
// Set the fallback dimensions if not
this._cols = Constants.DefaultCols;
this._rows = Constants.DefaultRows;
return;
}
const computedStyle = dom.getWindow(this._container).getComputedStyle(this._container);
const width = parseInt(computedStyle.width);
const height = parseInt(computedStyle.height);
this._evaluateColsAndRows(width, height);
}
/**
* Evaluates and sets the cols and rows of the terminal if possible.
* @param width The width of the container.
* @param height The height of the container.
* @return The terminal's width if it requires a layout.
*/
private _evaluateColsAndRows(width: number, height: number): number | null {
// Ignore if dimensions are undefined or 0
if (!width || !height) {
this._setLastKnownColsAndRows();
return null;
}
const dimension = this._getDimension(width, height);
if (!dimension) {
this._setLastKnownColsAndRows();
return null;
}
const font = this.xterm ? this.xterm.getFont() : this._terminalConfigurationService.getFont(dom.getWindow(this.domElement));
const newRC = getXtermScaledDimensions(dom.getWindow(this.domElement), font, dimension.width, dimension.height);
if (!newRC) {
this._setLastKnownColsAndRows();
return null;
}
if (this._cols !== newRC.cols || this._rows !== newRC.rows) {
this._cols = newRC.cols;
this._rows = newRC.rows;
this._fireMaximumDimensionsChanged();
}
return dimension.width;
}
private _setLastKnownColsAndRows(): void {
if (TerminalInstance._lastKnownGridDimensions) {
this._cols = TerminalInstance._lastKnownGridDimensions.cols;
this._rows = TerminalInstance._lastKnownGridDimensions.rows;
}
}
@debounce(50)
private _fireMaximumDimensionsChanged(): void {
this._onMaximumDimensionsChanged.fire();
}
private _getDimension(width: number, height: number): ICanvasDimensions | undefined {
// The font needs to have been initialized
const font = this.xterm ? this.xterm.getFont() : this._terminalConfigurationService.getFont(dom.getWindow(this.domElement));
if (!font || !font.charWidth || !font.charHeight) {
return undefined;
}
if (!this.xterm?.raw.element) {
return undefined;
}
const computedStyle = dom.getWindow(this.xterm.raw.element).getComputedStyle(this.xterm.raw.element);
const horizontalPadding = parseInt(computedStyle.paddingLeft) + parseInt(computedStyle.paddingRight);
const verticalPadding = parseInt(computedStyle.paddingTop) + parseInt(computedStyle.paddingBottom);
TerminalInstance._lastKnownCanvasDimensions = new dom.Dimension(
Math.min(Constants.MaxCanvasWidth, width - horizontalPadding),
height - verticalPadding + (this._hasScrollBar && this._horizontalScrollbar ? -5/* scroll bar height */ : 0));
return TerminalInstance._lastKnownCanvasDimensions;
}
get persistentProcessId(): number | undefined { return this._processManager.persistentProcessId; }
get shouldPersist(): boolean { return this._processManager.shouldPersist && !this.shellLaunchConfig.isTransient && (!this.reconnectionProperties || this._configurationService.getValue('task.reconnection') === true); }
public static getXtermConstructor(keybindingService: IKeybindingService, contextKeyService: IContextKeyService) {
const keybinding = keybindingService.lookupKeybinding(TerminalAccessibilityCommandId.FocusAccessibleBuffer, contextKeyService);
if (xtermConstructor) {
return xtermConstructor;
}
xtermConstructor = Promises.withAsyncBody<typeof XTermTerminal>(async (resolve) => {
const Terminal = (await importAMDNodeModule<typeof import('@xterm/xterm')>('@xterm/xterm', 'lib/xterm.js')).Terminal;
// Localize strings
Terminal.strings.promptLabel = nls.localize('terminal.integrated.a11yPromptLabel', 'Terminal input');
Terminal.strings.tooMuchOutput = keybinding ? nls.localize('terminal.integrated.useAccessibleBuffer', 'Use the accessible buffer {0} to manually review output', keybinding.getLabel()) : nls.localize('terminal.integrated.useAccessibleBufferNoKb', 'Use the Terminal: Focus Accessible Buffer command to manually review output');
resolve(Terminal);
});
return xtermConstructor;
}
/**
* Create xterm.js instance and attach data listeners.
*/
protected async _createXterm(): Promise<XtermTerminal> {
const Terminal = await TerminalInstance.getXtermConstructor(this._keybindingService, this._contextKeyService);
if (this.isDisposed) {
throw new ErrorNoTelemetry('Terminal disposed of during xterm.js creation');
}
const disableShellIntegrationReporting = (this.shellLaunchConfig.executable === undefined || this.shellType === undefined) || !shellIntegrationSupportedShellTypes.includes(this.shellType);
const xterm = this._scopedInstantiationService.createInstance(
XtermTerminal,
Terminal,
this._cols,
this._rows,
this._scopedInstantiationService.createInstance(TerminalInstanceColorProvider, this),
this.capabilities,
this._processManager.shellIntegrationNonce,
disableShellIntegrationReporting
);
this.xterm = xterm;
this.updateAccessibilitySupport();
this._register(this.xterm.onDidRequestRunCommand(e => {
if (e.copyAsHtml) {
this.copySelection(true, e.command);
} else {
this.sendText(e.command.command, e.noNewLine ? false : true);
}
}));
this._register(this.xterm.onDidRequestFocus(() => this.focus()));
this._register(this.xterm.onDidRequestSendText(e => this.sendText(e, false)));
// Write initial text, deferring onLineFeed listener when applicable to avoid firing
// onLineData events containing initialText
const initialTextWrittenPromise = this._shellLaunchConfig.initialText ? new Promise<void>(r => this._writeInitialText(xterm, r)) : undefined;
const lineDataEventAddon = this._register(new LineDataEventAddon(initialTextWrittenPromise));
this._register(lineDataEventAddon.onLineData(e => this._onLineData.fire(e)));
this._lineDataEventAddon = lineDataEventAddon;
// Delay the creation of the bell listener to avoid showing the bell when the terminal
// starts up or reconnects
disposableTimeout(() => {
this._register(xterm.raw.onBell(() => {
if (this._configurationService.getValue(TerminalSettingId.EnableBell) || this._configurationService.getValue(TerminalSettingId.EnableVisualBell)) {
this.statusList.add({
id: TerminalStatus.Bell,
severity: Severity.Warning,
icon: Codicon.bell,
tooltip: nls.localize('bellStatus', "Bell")
}, this._terminalConfigurationService.config.bellDuration);
}
this._accessibilitySignalService.playSignal(AccessibilitySignal.terminalBell);
}));
}, 1000, this._store);
this._register(xterm.raw.onSelectionChange(async () => this._onSelectionChange()));
this._register(xterm.raw.buffer.onBufferChange(() => this._refreshAltBufferContextKey()));
this._register(this._processManager.onProcessData(e => this._onProcessData(e)));
this._register(xterm.raw.onData(async data => {
await this._processManager.write(data);
this._onDidInputData.fire(data);
}));
this._register(xterm.raw.onBinary(data => this._processManager.processBinary(data)));
// Init winpty compat and link handler after process creation as they rely on the
// underlying process OS
this._register(this._processManager.onProcessReady(async (processTraits) => {
if (this._processManager.os) {
lineDataEventAddon.setOperatingSystem(this._processManager.os);
}
xterm.raw.options.windowsPty = processTraits.windowsPty;
}));
this._register(this._processManager.onRestoreCommands(e => this.xterm?.shellIntegration.deserialize(e)));
this._register(this._viewDescriptorService.onDidChangeLocation(({ views }) => {
if (views.some(v => v.id === TERMINAL_VIEW_ID)) {
xterm.refresh();
}
}));
// Set up updating of the process cwd on key press, this is only needed when the cwd
// detection capability has not been registered
if (!this.capabilities.has(TerminalCapability.CwdDetection)) {
let onKeyListener: IDisposable | undefined = xterm.raw.onKey(e => {
const event = new StandardKeyboardEvent(e.domEvent);
if (event.equals(KeyCode.Enter)) {
this._updateProcessCwd();
}
});
this._register(this.capabilities.onDidAddCapabilityType(e => {
if (e === TerminalCapability.CwdDetection) {
onKeyListener?.dispose();
onKeyListener = undefined;
}
}));
}
this._pathService.userHome().then(userHome => {
this._userHome = userHome.fsPath;
});
if (this._isVisible) {
this._open();
}
return xterm;
}
private async _onLineDataSetup(): Promise<void> {
const xterm = this.xterm || await this._xtermReadyPromise;
xterm.raw.loadAddon(this._lineDataEventAddon!);
}
async runCommand(commandLine: string, shouldExecute: boolean): Promise<void> {
let commandDetection = this.capabilities.get(TerminalCapability.CommandDetection);
// Await command detection if the terminal is starting up
if (!commandDetection && (this._processManager.processState === ProcessState.Uninitialized || this._processManager.processState === ProcessState.Launching)) {
const store = new DisposableStore();
await Promise.race([
new Promise<void>(r => {
store.add(this.capabilities.onDidAddCapabilityType(e => {
if (e === TerminalCapability.CommandDetection) {
commandDetection = this.capabilities.get(TerminalCapability.CommandDetection);
r();
}
}));
}),
timeout(2000),
]);
store.dispose();
}
// Determine whether to send ETX (ctrl+c) before running the command. This should always
// happen unless command detection can reliably say that a command is being entered and
// there is no content in the prompt
if (!commandDetection || commandDetection.promptInputModel.value.length > 0) {
await this.sendText('\x03', false);
// Wait a little before running the command to avoid the sequences being echoed while the ^C
// is being evaluated
await timeout(100);
}
// Use bracketed paste mode only when not running the command
await this.sendText(commandLine, shouldExecute, !shouldExecute);
}
async runRecent(type: 'command' | 'cwd', filterMode?: 'fuzzy' | 'contiguous', value?: string): Promise<void> {
return this._scopedInstantiationService.invokeFunction(
showRunRecentQuickPick, this, this._terminalInRunCommandPicker, type, filterMode, value
);
}
detachFromElement(): void {
this._wrapperElement.remove();
this._container = undefined;
}
attachToElement(container: HTMLElement): void {
// The container did not change, do nothing
if (this._container === container) {
return;
}
this._attachBarrier.open();
// The container changed, reattach
this._container = container;
this._container.appendChild(this._wrapperElement);
// If xterm is already attached, call open again to pick up any changes to the window.
if (this.xterm?.raw.element) {
this.xterm.raw.open(this.xterm.raw.element);
}
this.xterm?.refresh();
setTimeout(() => this._initDragAndDrop(container));
}
/**
* Opens the the terminal instance inside the parent DOM element previously set with
* `attachToElement`, you must ensure the parent DOM element is explicitly visible before
* invoking this function as it performs some DOM calculations internally
*/
private _open(): void {
if (!this.xterm || this.xterm.raw.element) {
return;
}
if (!this._container || !this._container.isConnected) {
throw new Error('A container element needs to be set with `attachToElement` and be part of the DOM before calling `_open`');
}
const xtermElement = document.createElement('div');
this._wrapperElement.appendChild(xtermElement);
this._container.appendChild(this._wrapperElement);
const xterm = this.xterm;
// Attach the xterm object to the DOM, exposing it to the smoke tests
this._wrapperElement.xterm = xterm.raw;
const screenElement = xterm.attachToElement(xtermElement);
// Fire xtermOpen on all contributions
for (const contribution of this._contributions.values()) {
if (!this.xterm) {
this._xtermReadyPromise.then(xterm => contribution.xtermOpen?.(xterm));
} else {
contribution.xtermOpen?.(this.xterm);
}
}
this._register(xterm.shellIntegration.onDidChangeStatus(() => {
if (this.hasFocus) {
this._setShellIntegrationContextKey();
} else {
this._terminalShellIntegrationEnabledContextKey.reset();
}
}));
if (!xterm.raw.element || !xterm.raw.textarea) {
throw new Error('xterm elements not set after open');
}
this._setAriaLabel(xterm.raw, this._instanceId, this._title);
xterm.raw.attachCustomKeyEventHandler((event: KeyboardEvent): boolean => {
// Disable all input if the terminal is exiting
if (this._isExiting) {
return false;
}
const standardKeyboardEvent = new StandardKeyboardEvent(event);
const resolveResult = this._keybindingService.softDispatch(standardKeyboardEvent, standardKeyboardEvent.target);
// Respect chords if the allowChords setting is set and it's not Escape. Escape is
// handled specially for Zen Mode's Escape, Escape chord, plus it's important in
// terminals generally
const isValidChord = resolveResult.kind === ResultKind.MoreChordsNeeded && this._terminalConfigurationService.config.allowChords && event.key !== 'Escape';
if (this._keybindingService.inChordMode || isValidChord) {
event.preventDefault();
return false;
}
const SHOW_TERMINAL_CONFIG_PROMPT_KEY = 'terminal.integrated.showTerminalConfigPrompt';
const EXCLUDED_KEYS = ['RightArrow', 'LeftArrow', 'UpArrow', 'DownArrow', 'Space', 'Meta', 'Control', 'Shift', 'Alt', '', 'Delete', 'Backspace', 'Tab'];
// only keep track of input if prompt hasn't already been shown
if (this._storageService.getBoolean(SHOW_TERMINAL_CONFIG_PROMPT_KEY, StorageScope.APPLICATION, true) &&
!EXCLUDED_KEYS.includes(event.key) &&
!event.ctrlKey &&
!event.shiftKey &&
!event.altKey) {
this._hasHadInput = true;
}
// for keyboard events that resolve to commands described
// within commandsToSkipShell, either alert or skip processing by xterm.js
if (resolveResult.kind === ResultKind.KbFound && resolveResult.commandId && this._skipTerminalCommands.some(k => k === resolveResult.commandId) && !this._terminalConfigurationService.config.sendKeybindingsToShell) {
// don't alert when terminal is opened or closed
if (this._storageService.getBoolean(SHOW_TERMINAL_CONFIG_PROMPT_KEY, StorageScope.APPLICATION, true) &&
this._hasHadInput &&
!TERMINAL_CREATION_COMMANDS.includes(resolveResult.commandId)) {
this._notificationService.prompt(
Severity.Info,
nls.localize('keybindingHandling', "Some keybindings don't go to the terminal by default and are handled by {0} instead.", this._productService.nameLong),
[
{
label: nls.localize('configureTerminalSettings', "Configure Terminal Settings"),
run: () => {
this._preferencesService.openSettings({ jsonEditor: false, query: `@id:${TerminalSettingId.CommandsToSkipShell},${TerminalSettingId.SendKeybindingsToShell},${TerminalSettingId.AllowChords}` });
}
} satisfies IPromptChoice
]