Initial work on microsoft#10023.

Modified terminalInstance to expose setTitle and fire the onTitleChanged event when it's called. Added workbench.action.terminal.rename contribution from the workbench and the action that fires when it's run.

src/vs/workbench/parts/terminal/common/terminal.ts

@@ -325,4 +325,9 @@ export interface ITerminalInstance {
 	 * Experimental: Call to enable onData to be passed over IPC to the extension host.
 	 */
 	enableApiOnData(): void;
+
+	/**
+	 * Sets the title of the terminal instance.
+	 */
+	setTitle(title: string): void;
 }

src/vs/workbench/parts/terminal/electron-browser/terminal.contribution.ts

@@ -18,7 +18,7 @@ import { TERMINAL_DEFAULT_SHELL_LINUX, TERMINAL_DEFAULT_SHELL_OSX, TERMINAL_DEFA
 import { IWorkbenchActionRegistry, Extensions as ActionExtensions } from 'vs/workbench/common/actionRegistry';
 import { KeyCode, KeyMod } from 'vs/base/common/keyCodes';
 import { ContextKeyExpr } from 'vs/platform/contextkey/common/contextkey';
-import { KillTerminalAction, CopyTerminalSelectionAction, CreateNewTerminalAction, FocusActiveTerminalAction, FocusNextTerminalAction, FocusPreviousTerminalAction, FocusTerminalAtIndexAction, SelectDefaultShellWindowsTerminalAction, RunSelectedTextInTerminalAction, RunActiveFileInTerminalAction, ScrollDownTerminalAction, ScrollDownPageTerminalAction, ScrollToBottomTerminalAction, ScrollUpTerminalAction, ScrollUpPageTerminalAction, ScrollToTopTerminalAction, TerminalPasteAction, ToggleTerminalAction, ClearTerminalAction, AllowWorkspaceShellTerminalCommand, DisallowWorkspaceShellTerminalCommand } from 'vs/workbench/parts/terminal/electron-browser/terminalActions';
+import { KillTerminalAction, CopyTerminalSelectionAction, CreateNewTerminalAction, FocusActiveTerminalAction, FocusNextTerminalAction, FocusPreviousTerminalAction, FocusTerminalAtIndexAction, SelectDefaultShellWindowsTerminalAction, RunSelectedTextInTerminalAction, RunActiveFileInTerminalAction, ScrollDownTerminalAction, ScrollDownPageTerminalAction, ScrollToBottomTerminalAction, ScrollUpTerminalAction, ScrollUpPageTerminalAction, ScrollToTopTerminalAction, TerminalPasteAction, ToggleTerminalAction, ClearTerminalAction, AllowWorkspaceShellTerminalCommand, DisallowWorkspaceShellTerminalCommand, RenameTerminalAction } from 'vs/workbench/parts/terminal/electron-browser/terminalActions';
 import { Registry } from 'vs/platform/platform';
 import { ShowAllCommandsAction } from 'vs/workbench/parts/quickopen/browser/commandsHandler';
 import { SyncActionDescriptor } from 'vs/platform/actions/common/actions';
@@ -268,5 +268,6 @@ if (platform.isWindows) {
 }
 actionRegistry.registerWorkbenchAction(new SyncActionDescriptor(AllowWorkspaceShellTerminalCommand, AllowWorkspaceShellTerminalCommand.ID, AllowWorkspaceShellTerminalCommand.LABEL), 'Terminal: Allow Workspace Shell Configuration', category);
 actionRegistry.registerWorkbenchAction(new SyncActionDescriptor(DisallowWorkspaceShellTerminalCommand, DisallowWorkspaceShellTerminalCommand.ID, DisallowWorkspaceShellTerminalCommand.LABEL), 'Terminal: Disallow Workspace Shell Configuration', category);
+actionRegistry.registerWorkbenchAction(new SyncActionDescriptor(RenameTerminalAction, RenameTerminalAction.ID, RenameTerminalAction.LABEL), 'Terminal: Rename', category);
 
 registerColors();

src/vs/workbench/parts/terminal/electron-browser/terminalActions.ts

@@ -17,6 +17,7 @@ import { IPanelService } from 'vs/workbench/services/panel/common/panelService';
 import { IMessageService, Severity } from 'vs/platform/message/common/message';
 import { attachSelectBoxStyler } from 'vs/platform/theme/common/styler';
 import { IThemeService } from 'vs/platform/theme/common/themeService';
+import { IQuickOpenService } from 'vs/platform/quickOpen/common/quickOpen';
 
 export class ToggleTerminalAction extends TogglePanelAction {
 
@@ -533,3 +534,32 @@ export class DisallowWorkspaceShellTerminalCommand extends Action {
 		return TPromise.as(void 0);
 	}
 }
+
+export class RenameTerminalAction extends Action {
+
+	public static ID = 'workbench.action.terminal.rename';
+	public static LABEL = nls.localize('workbench.action.terminal.rename', "Rename");
+
+	constructor(
+		id: string, label: string,
+		@IQuickOpenService private quickOpenService: IQuickOpenService,
+		@ITerminalService private terminalService: ITerminalService
+	) {
+		super(id, label);
+	}
+
+	public run(): TPromise<any> {
+		const terminalInstance = this.terminalService.getActiveInstance();
+		if (!terminalInstance) {
+			return TPromise.as(void 0);
+		}
+		return this.quickOpenService.input({
+			prompt: nls.localize('workbench.action.terminal.rename.prompt', "Enter terminal name"),
+		}).then(name => {
+			if (name) {
+				terminalInstance.setTitle(name);
+			}
+		});
+
+	}
+}

src/vs/workbench/parts/terminal/electron-browser/terminalInstance.ts

@@ -479,12 +479,13 @@ export class TerminalInstance implements ITerminalInstance {
 		});
 		if (!shell.name) {
 			// Only listen for process title changes when a name is not provided
-			this._process.on('message', (message) => {
-				if (message.type === 'title') {
-					this._title = message.content ? message.content : '';
-					this._onTitleChanged.fire(this._title);
-				}
-			});
+			this._process.on('message', this._onPtyProcessMessageTitleChanged);
+			// this._process.on('message', (message) => {
+			// 	if (message.type === 'title') {
+			// 		this._title = message.content ? message.content : '';
+			// 		this._onTitleChanged.fire(this._title);
+			// 	}
+			// });
 		}
 		this._process.on('message', (message) => {
 			if (message.type === 'pid') {
@@ -561,6 +562,13 @@ export class TerminalInstance implements ITerminalInstance {
 		}
 	}
 
+	private _onPtyProcessMessageTitleChanged(message: any): void {
+		if (message.type === 'title') {
+			this._title = message.content ? message.content : '';
+			this._onTitleChanged.fire(this._title);
+		}
+	}
+
 	private _attachPressAnyKeyToCloseListener() {
 		this._processDisposables.push(dom.addDisposableListener(this._xterm.textarea, 'keypress', (event: KeyboardEvent) => {
 			this.dispose();
@@ -761,6 +769,19 @@ export class TerminalInstance implements ITerminalInstance {
 	public static setTerminalProcessFactory(factory: ITerminalProcessFactory): void {
 		this._terminalProcessFactory = factory;
 	}
+
+	public setTitle(title: string): void {
+		const oldTitle = this._title;
+		if (title !== oldTitle) {
+			this._title = title;
+			this._onTitleChanged.fire(title);
+		}
+
+		// if the title is set via API, unregister the handler that automatically updates the terminal name
+		if (this._process) {
+			this._process.removeListener('message', this._onPtyProcessMessageTitleChanged);
+		}
+	}
 }
 
 registerThemingParticipant((theme: ITheme, collector: ICssStyleCollector) => {