绘制应用添加绘制状态，控制右键结束绘制时不触发画布右键菜单

src/examples/app/index.ts

@@ -100,6 +100,7 @@ export function initDrawApp(dom: HTMLElement): JlDrawApp {
   // 画布右键菜单
   app.registerMenu(DefaultCanvasMenu);
   app.canvas.on('_rightclick', (e) => {
+    if (app._drawing) return;
     UndoOptions.disabled = !app.opRecord.hasUndo;
     RedoOptions.disabled = !app.opRecord.hasRedo;
     UndoOptions.handler = () => {

src/jlgraphic/app/JlDrawApp.ts

@@ -80,6 +80,7 @@ export abstract class GraphicDrawAssistant<
   }
 
   bind(): void {
+    this.app._drawing = true;
     const canvas = this.canvas;
     canvas.addChild(this.container);
     canvas.on('mousedown', this.onLeftDown, this);
@@ -113,6 +114,7 @@ export abstract class GraphicDrawAssistant<
     this.app.removeKeyboardListener(this.escListener);
 
     this.app.viewport.plugins.remove('drag');
+    this.app._drawing = false;
   }
 
   onLeftDown(e: FederatedMouseEvent) {}
@@ -220,6 +222,7 @@ export class JlDrawApp extends GraphicApp {
   });
 
   drawAssistants: DrawAssistant[] = [];
+  _drawing = false;
 
   constructor(dom: HTMLElement) {
     super(dom);