Adds config option 'zoomWheel'

package.json

@@ -411,6 +411,12 @@
 					"title": "Draw.io zoom factor",
 					"description": "Defines the zoom factor for mouse wheel and trackpad zoom."
 				},
+				"hediet.vscode-drawio.zoomWheel": {
+					"type": "boolean",
+					"default": false,
+					"title": "Draw.io zoom wheel option",
+					"description": "Defines whether zoom is possible without meta key, i.e. only using mouse wheel without Ctrl/Alt/Cmd."
+				},
 				"hediet.vscode-drawio.globalVars": {
 					"type": "object",
 					"title": "Draw.io global variables.",

src/Config.ts

@@ -629,6 +629,23 @@ export class DiagramConfig {
 
 	// #endregion
 
+	// #region Zoom Wheel
+
+	private readonly _zoomWheel = new VsCodeSetting<boolean>(
+		`${extensionId}.zoomWheel`,
+		{
+			scope: this.uri,
+			serializer: serializerWithDefault<boolean>(false),
+		}
+	);
+
+	@computed
+	public get zoomWheel(): boolean {
+		return this._zoomWheel.get();
+	}
+
+	// #endregion
+
 	// #region Global Variables
 
 	private readonly _globalVars = new VsCodeSetting<object | null>(

src/DrawioClient/DrawioClientFactory.ts

@@ -96,6 +96,7 @@ export class DrawioClientFactory {
 					defaultLibraries: "general",
 					libraries: simpleDrawioLibrary(libs),
 					zoomFactor: config.zoomFactor,
+					zoomWheel: config.zoomWheel,
 					globalVars: config.globalVars,
 				};
 			},