fix(editor): 延迟 FloatingBox 拖拽遮罩到实际位移时显示，修复关闭按钮点击失效

packages/editor/src/components/FloatingBox.vue

@@ -98,15 +98,20 @@ let moveable: VanillaMoveable | null = null;
 
 // 拖拽/缩放时用于覆盖 iframe 的遮罩，防止鼠标进入 iframe 区域后事件被 iframe 吞掉导致拖拽丢失
 let dragMask: HTMLDivElement | null = null;
+let dragMaskVisible = false;
 
 const showDragMask = () => {
+  if (dragMaskVisible) {
+    return;
+  }
   if (!dragMask) {
     dragMask = globalThis.document.createElement('div');
     dragMask.className = 'm-editor-float-box-drag-mask';
   }
   globalThis.document.body.appendChild(dragMask);
+  dragMaskVisible = true;
 
-  // 拖拽标题时，root 上的 @mousedown="nextZIndex" 会在 dragStart 之后把浮窗 z-index 抬高，
+  // 拖拽标题时，root 上的 @mousedown="nextZIndex" 会把浮窗 z-index 抬高，
   // 若此时才读取会拿到旧值导致遮罩被浮窗（及其内部 iframe）盖住，故用 nextTick 在 z-index 稳定后再设置到浮窗之上
   const setMaskZIndex = () => {
     if (dragMask) {
@@ -119,6 +124,7 @@ const showDragMask = () => {
 
 const hideDragMask = () => {
   dragMask?.parentNode?.removeChild(dragMask);
+  dragMaskVisible = false;
 };
 
 const initMoveable = () => {
@@ -138,8 +144,11 @@ const initMoveable = () => {
     bounds: { left: 0, top: 0, right: 0, bottom: 0, position: 'css' },
   });
 
-  moveable.on('dragStart', showDragMask);
-  moveable.on('resizeStart', showDragMask);
+  // 仅在真正发生拖拽/缩放位移时插入遮罩：moveable 的 dragStart/resizeStart 在 mousedown 时即触发，
+  // 若此时就盖遮罩，会盖住浮窗本身导致 mouseup 落在遮罩上、关闭按钮的 click 无法触发（点击关闭不了）。
+  // 改为在 drag/resize（实际位移）时才显示，纯点击不再触发遮罩。
+  moveable.on('drag', showDragMask);
+  moveable.on('resize', showDragMask);
   moveable.on('dragEnd', hideDragMask);
   moveable.on('resizeEnd', hideDragMask);
 

packages/editor/tests/unit/components/FloatingBox.spec.ts

@@ -9,10 +9,13 @@ import { mount } from '@vue/test-utils';
 
 import FloatingBox from '@editor/components/FloatingBox.vue';
 
-const moveableHandlers = new Map<string, (...args: any[]) => void>();
+const moveableHandlers = new Map<string, ((...args: any[]) => void)[]>();
 const destroyMock = vi.fn();
 let lastInstance: any;
 
+const emitMoveable = (event: string, ...args: any[]) =>
+  (moveableHandlers.get(event) || []).forEach((fn) => fn(...args));
+
 vi.mock('moveable', () => {
   class FakeMoveable {
     public target: any;
@@ -26,7 +29,9 @@ vi.mock('moveable', () => {
       moveableHandlers.clear();
     }
     public on(event: string, fn: (...args: any[]) => void) {
-      moveableHandlers.set(event, fn);
+      const list = moveableHandlers.get(event) || [];
+      list.push(fn);
+      moveableHandlers.set(event, list);
       return this;
     }
     public destroy() {
@@ -144,7 +149,7 @@ describe('FloatingBox.vue', () => {
     });
     await new Promise((r) => setTimeout(r, 0));
     const target = document.createElement('div');
-    moveableHandlers.get('resize')?.({
+    emitMoveable('resize', {
       width: 200,
       height: 300,
       target,
@@ -163,7 +168,7 @@ describe('FloatingBox.vue', () => {
     });
     await new Promise((r) => setTimeout(r, 0));
     const target = document.createElement('div');
-    moveableHandlers.get('drag')?.({ target, transform: 'translate(10px,20px)' });
+    emitMoveable('drag', { target, transform: 'translate(10px,20px)' });
     expect(target.style.transform.replace(/\s+/g, '')).toBe('translate(10px,20px)');
   });
 
@@ -237,4 +242,26 @@ describe('FloatingBox.vue', () => {
     wrapper.unmount();
     expect(destroyMock).toHaveBeenCalled();
   });
+
+  test('dragStart 时不显示拖拽遮罩，仅在真正 drag 时显示，dragEnd 时移除', async () => {
+    const wrapper = mount(FloatingBox as any, {
+      props: { visible: true },
+      attachTo: document.body,
+    });
+    await new Promise((r) => setTimeout(r, 0));
+    await wrapper.vm.$nextTick();
+
+    // mousedown（dragStart）不应立即盖遮罩，否则会盖住关闭按钮导致点击失效
+    emitMoveable('dragStart');
+    expect(document.querySelector('.m-editor-float-box-drag-mask')).toBeNull();
+
+    // 真正发生位移时才显示遮罩
+    emitMoveable('drag', { target: document.body, transform: 'translate(0,0)' });
+    expect(document.querySelector('.m-editor-float-box-drag-mask')).not.toBeNull();
+
+    // 拖拽结束移除遮罩
+    emitMoveable('dragEnd');
+    expect(document.querySelector('.m-editor-float-box-drag-mask')).toBeNull();
+    wrapper.unmount();
+  });
 });