Expose macOptionClickForcesSelection terminal setting

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

@@ -70,6 +70,7 @@ export interface ITerminalConfiguration {
 		windows: string[];
 	};
 	macOptionIsMeta: boolean;
+	macOptionClickForcesSelection: boolean;
 	rendererType: 'auto' | 'canvas' | 'dom';
 	rightClickBehavior: 'default' | 'copyPaste' | 'selectWord';
 	cursorBlinking: boolean;

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

@@ -120,6 +120,11 @@ configurationRegistry.registerConfiguration({
 			'type': 'boolean',
 			'default': false
 		},
+		'terminal.integrated.macOptionClickForcesSelection': {
+			'description': nls.localize('terminal.integrated.macOptionClickForcesSelection', "Whether to force selection when when using option+click on macOS, this will force a regular (line) selection and disallow the use of column selection mode. This enables copying and pasting using the regular terminal selection when in tmux mouse mode for example."),
+			'type': 'boolean',
+			'default': false
+		},
 		'terminal.integrated.copyOnSelection': {
 			'description': nls.localize('terminal.integrated.copyOnSelection', "When set, text selected in the terminal will be copied to the clipboard."),
 			'type': 'boolean',

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

@@ -283,6 +283,7 @@ export class TerminalInstance implements ITerminalInstance {
 			bellStyle: config.enableBell ? 'sound' : 'none',
 			screenReaderMode: accessibilitySupport === 'on',
 			macOptionIsMeta: config.macOptionIsMeta,
+			macOptionClickForcesSelection: config.macOptionClickForcesSelection,
 			rightClickSelectsWord: config.rightClickBehavior === 'selectWord',
 			// TODO: Guess whether to use canvas or dom better
 			rendererType: config.rendererType === 'auto' ? 'canvas' : config.rendererType,
@@ -871,6 +872,7 @@ export class TerminalInstance implements ITerminalInstance {
 		this._setEnableBell(config.enableBell);
 		this._safeSetOption('scrollback', config.scrollback);
 		this._safeSetOption('macOptionIsMeta', config.macOptionIsMeta);
+		this._safeSetOption('macOptionClickForcesSelection', config.macOptionClickForcesSelection);
 		this._safeSetOption('rightClickSelectsWord', config.rightClickBehavior === 'selectWord');
 	}