11

src/components/Canvas/DepthCanvas/manager/events/KeyEventManager.ts

@@ -2,11 +2,12 @@ export class KeyEventManager {
 	stateManager: any
 	constructor(options) {
 		this.stateManager = options.stateManager;
-		this.registerEvents()
+		this._handleKeyDown = this.handleKeyDown.bind(this)
 	}
 	onMounted() { }
 
 	/** 处理键盘事件 */
+	_handleKeyDown: any
 	handleKeyDown(event: any) {
 		const ctrl = event.ctrlKey ? 'ctrl-' : "";
 		const shift = event.shiftKey ? 'shift-' : "";
@@ -24,11 +25,11 @@ export class KeyEventManager {
 	}
 	/** 注册事件 */
 	registerEvents() {
-		document.addEventListener('keydown', this.handleKeyDown.bind(this))
+		document.addEventListener('keydown', this._handleKeyDown)
 	}
 	/** 删除事件 */
 	removeEvents() {
-		document.removeEventListener('keydown', this.handleKeyDown.bind(this))
+		document.removeEventListener('keydown', this._handleKeyDown)
 	}
 	dispose() {
 		this.removeEvents()