87456: Configuration to increase the terminal cursor width

src/vs/workbench/contrib/terminal/browser/terminal.contribution.ts

@@ -206,6 +206,11 @@ configurationRegistry.registerConfiguration({
 			enum: [TerminalCursorStyle.BLOCK, TerminalCursorStyle.LINE, TerminalCursorStyle.UNDERLINE],
 			default: TerminalCursorStyle.BLOCK
 		},
+		'terminal.integrated.cursorWidth': {
+			markdownDescription: nls.localize('terminal.integrated.cursorWidth', "Controls the width of the cursor when `#terminal.integrated.cursorStyle#` is set to `line`."),
+			type: 'number',
+			default: 1
+		},
 		'terminal.integrated.scrollback': {
 			description: nls.localize('terminal.integrated.scrollback', "Controls the maximum amount of lines the terminal keeps in its buffer."),
 			type: 'number',

src/vs/workbench/contrib/terminal/browser/terminalInstance.ts

@@ -1227,6 +1227,7 @@ export class TerminalInstance extends Disposable implements ITerminalInstance {
 		const config = this._configHelper.config;
 		this._setCursorBlink(config.cursorBlinking);
 		this._setCursorStyle(config.cursorStyle);
+		this._setCursorWidth(config.cursorWidth);
 		this._setCommandsToSkipShell(config.commandsToSkipShell);
 		this._setEnableBell(config.enableBell);
 		this._safeSetOption('scrollback', config.scrollback);
@@ -1269,6 +1270,12 @@ export class TerminalInstance extends Disposable implements ITerminalInstance {
 		}
 	}
 
+	private _setCursorWidth(width: number): void {
+		if (this._xterm && this._xterm.getOption('cursorWidth') !== width) {
+			this._xterm.setOption('cursorWidth', width);
+		}
+	}
+
 	private _setCommandsToSkipShell(commands: string[]): void {
 		const excludeCommands = commands.filter(command => command[0] === '-').map(command => command.slice(1));
 		this._skipTerminalCommands = DEFAULT_COMMANDS_TO_SKIP_SHELL.filter(defaultCommand => {

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

@@ -91,6 +91,7 @@ export interface ITerminalConfiguration {
 	rightClickBehavior: 'default' | 'copyPaste' | 'paste' | 'selectWord';
 	cursorBlinking: boolean;
 	cursorStyle: string;
+	cursorWidth: number;
 	drawBoldTextInBrightColors: boolean;
 	fastScrollSensitivity: number;
 	fontFamily: string;