prevent selection on scroll

Author: UziTech

src/vs/editor/browser/view/viewController.ts

@@ -133,8 +133,11 @@ export class ViewController {
 		const options = this.configuration.options;
 		const selectionClipboardIsOn = (platform.isLinux && options.get(EditorOption.selectionClipboard));
 		const columnSelection = options.get(EditorOption.columnSelection);
-		if (data.middleButton && !selectionClipboardIsOn) {
-			this._columnSelect(data.position, data.mouseColumn, data.inSelectionMode);
+		const scrollOnMiddleClick = options.get(EditorOption.scrollOnMiddleClick);
+		if (data.middleButton && !selectionClipboardIsOn && (columnSelection || scrollOnMiddleClick)) {
+			if (columnSelection) {
+				this._columnSelect(data.position, data.mouseColumn, data.inSelectionMode);
+			}
 		} else if (data.startedOnLineNumbers) {
 			// If the dragging started on the gutter, then have operations work on the entire line
 			if (this._hasMulticursorModifier(data)) {