REPORT-40553 决策报表-连续点击空白设计面板，body没有处于未选中状态

designer-form/src/main/java/com/fr/design/mainframe/EditingMouseListener.java

@@ -166,7 +166,7 @@ public class EditingMouseListener extends MouseInputAdapter {
             // 获取焦点，以便获取热键
             designer.requestFocus();
         }
-        if (e.getButton() == MouseEvent.BUTTON1 && e.getX() > 0 && e.getY() > 0) {
+        if (e.getButton() == MouseEvent.BUTTON1 && !beyondValidArea(e)) {
 
             Direction dir = selectionModel.getDirectionAt(e);
             if (!DesignerMode.isAuthorityEditing()) {
@@ -194,6 +194,15 @@ public class EditingMouseListener extends MouseInputAdapter {
         e.translatePoint(oldX - e.getX(), oldY - e.getY());
     }
 
+    private boolean beyondValidArea(MouseEvent e) {
+        if (e.getX() < 0 || e.getY() < 0 ||
+                e.getX() > designer.getRootComponent().getWidth() ||
+                e.getY() > (designer.getRootComponent().getHeight() + designer.getParaHeight())) {
+            return true;
+        }
+        return false;
+    }
+
     private void offsetEventPoint(MouseEvent e){
         int x = designer.getRelativeX(e.getX());
         int y = designer.getRelativeY(e.getY());