Also use ctrl+enter for multiline search

Fix #80361

src/vs/base/browser/ui/inputbox/inputBox.ts

@@ -581,6 +581,19 @@ export class InputBox extends Widget {
 		}
 	}
 
+	public insertAtCursor(text: string): void {
+		const inputElement = this.inputElement;
+		const start = inputElement.selectionStart;
+		const end = inputElement.selectionEnd;
+		const content = inputElement.value;
+
+		if (start !== null && end !== null) {
+			this.value = content.substr(0, start) + text + content.substr(end);
+			inputElement.setSelectionRange(start + 1, start + 1);
+			this.layout();
+		}
+	}
+
 	public dispose(): void {
 		this._hideMessage();
 

src/vs/editor/contrib/find/findWidget.ts

@@ -778,19 +778,9 @@ export class FindWidget extends Widget implements IOverlayWidget, IHorizontalSas
 
 	private _onFindInputKeyDown(e: IKeyboardEvent): void {
 		if (e.equals(ctrlKeyMod | KeyCode.Enter)) {
-			const inputElement = this._findInput.inputBox.inputElement;
-			const start = inputElement.selectionStart;
-			const end = inputElement.selectionEnd;
-			const content = inputElement.value;
-
-			if (start !== null && end !== null) {
-				const value = content.substr(0, start) + '\n' + content.substr(end);
-				this._findInput.inputBox.value = value;
-				inputElement.setSelectionRange(start + 1, start + 1);
-				this._findInput.inputBox.layout();
-				e.preventDefault();
-				return;
-			}
+			this._findInput.inputBox.insertAtCursor('\n');
+			e.preventDefault();
+			return;
 		}
 
 		if (e.equals(KeyCode.Tab)) {
@@ -832,19 +822,9 @@ export class FindWidget extends Widget implements IOverlayWidget, IHorizontalSas
 
 			}
 
-			const inputElement = this._replaceInput.inputBox.inputElement;
-			const start = inputElement.selectionStart;
-			const end = inputElement.selectionEnd;
-			const content = inputElement.value;
-
-			if (start !== null && end !== null) {
-				const value = content.substr(0, start) + '\n' + content.substr(end);
-				this._replaceInput.inputBox.value = value;
-				inputElement.setSelectionRange(start + 1, start + 1);
-				this._replaceInput.inputBox.layout();
-				e.preventDefault();
-				return;
-			}
+			this._replaceInput.inputBox.insertAtCursor('\n');
+			e.preventDefault();
+			return;
 		}
 
 		if (e.equals(KeyCode.Tab)) {

src/vs/workbench/contrib/search/browser/searchWidget.ts

@@ -34,6 +34,7 @@ import { IViewletService } from 'vs/workbench/services/viewlet/browser/viewlet';
 import { IEditorOptions } from 'vs/editor/common/config/editorOptions';
 import { IAccessibilityService, AccessibilitySupport } from 'vs/platform/accessibility/common/accessibility';
 import { Checkbox } from 'vs/base/browser/ui/checkbox/checkbox';
+import { isMacintosh } from 'vs/base/common/platform';
 
 export interface ISearchWidgetOptions {
 	value?: string;
@@ -76,6 +77,8 @@ class ReplaceAllAction extends Action {
 	}
 }
 
+const ctrlKeyMod = (isMacintosh ? KeyMod.WinCtrl : KeyMod.CtrlCmd);
+
 export class SearchWidget extends Widget {
 
 	private static readonly REPLACE_ALL_DISABLED_LABEL = nls.localize('search.action.replaceAll.disabled.label', "Replace All (Submit Search to Enable)");
@@ -446,6 +449,11 @@ export class SearchWidget extends Widget {
 	}
 
 	private onSearchInputKeyDown(keyboardEvent: IKeyboardEvent) {
+		if (keyboardEvent.equals(ctrlKeyMod | KeyCode.Enter)) {
+			this.searchInput.inputBox.insertAtCursor('\n');
+			keyboardEvent.preventDefault();
+		}
+
 		if (keyboardEvent.equals(KeyCode.Enter)) {
 			this.submitSearch();
 			keyboardEvent.preventDefault();
@@ -503,6 +511,11 @@ export class SearchWidget extends Widget {
 	}
 
 	private onReplaceInputKeyDown(keyboardEvent: IKeyboardEvent) {
+		if (keyboardEvent.equals(ctrlKeyMod | KeyCode.Enter)) {
+			this.searchInput.inputBox.insertAtCursor('\n');
+			keyboardEvent.preventDefault();
+		}
+
 		if (keyboardEvent.equals(KeyCode.Enter)) {
 			this.submitSearch();
 			keyboardEvent.preventDefault();