REPORT-58713 加些注释

designer-form/src/main/java/com/fr/design/designer/creator/XCreator.java

@@ -803,6 +803,8 @@ public abstract class XCreator extends JPanel implements XComponent, XCreatorToo
 					popup.setLocation(designer.getLocationOnScreen().x + designer.getPaintX()  + extraX, designer.getLocationOnScreen().y + designer.getPaintY() + extraY);
 					popup.updatePane(designer);
 					boolean needShowing = selected && accept && popup.hasVisibleButtons() && popup.isCanVisible() && !isShowPluginDialog();
+					// 当不可见时，且可以设置为可见状态，才去设置为可见
+					// 避免已经是可见状态时，重复设置可见，造成闪屏
 					if (!popup.isVisible() && needShowing) {
 						popup.setVisible(true);
 					} else if (!needShowing) {