Ensure global Z is correctly set on all child items of EditBox

cocos/ui/UIEditBox/UIEditBox.cpp

@@ -864,6 +864,15 @@ void EditBox::keyboardDidHide(IMEKeyboardNotificationInfo& /*info*/)
 
 }
 
+void EditBox::setGlobalZOrder(float globalZOrder)
+{
+    Widget::setGlobalZOrder(globalZOrder);
+    if (_editBoxImpl)
+    {
+        _editBoxImpl->setGlobalZOrder(globalZOrder);
+    }
+}
+
 #if CC_ENABLE_SCRIPT_BINDING
 void EditBox::registerScriptEditBoxHandler(int handler)
 {

cocos/ui/UIEditBox/UIEditBox.h

@@ -648,6 +648,8 @@ namespace ui {
          */
         virtual void keyboardDidHide(IMEKeyboardNotificationInfo& info) override;
 
+        void setGlobalZOrder(float globalZOrder) override;
+
         void openKeyboard() const;
 
     protected:

cocos/ui/UIEditBox/UIEditBoxImpl-common.cpp

@@ -96,12 +96,14 @@ void EditBoxImplCommon::initInactiveLabels(const Size& size)
     _label->setAnchorPoint(Vec2(0.0f,1.0f));
     _label->setOverflow(Label::Overflow::CLAMP);
     _label->setVisible(false);
+    _label->setGlobalZOrder(_editBox->getGlobalZOrder());
     _editBox->addChild(_label, kLabelZOrder);
 
     _labelPlaceHolder = Label::create();
     _labelPlaceHolder->setAnchorPoint(Vec2(0.0f, 1.0f));
     _labelPlaceHolder->setTextColor(Color4B::GRAY);
     _labelPlaceHolder->enableWrap(false);
+    _labelPlaceHolder->setGlobalZOrder(_editBox->getGlobalZOrder());
     _editBox->addChild(_labelPlaceHolder, kLabelZOrder);
 
     setFont(pDefaultFontName, size.height*2/3);
@@ -291,6 +293,19 @@ void EditBoxImplCommon::setContentSize(const Size& size)
     placeInactiveLabels(_contentSize);
 }
 
+void EditBoxImplCommon::setGlobalZOrder(float globalZOrder)
+{
+    if (_label)
+    {
+        _label->setGlobalZOrder(globalZOrder);
+    }
+
+    if (_labelPlaceHolder)
+    {
+        _labelPlaceHolder->setGlobalZOrder(globalZOrder);
+    }
+}
+
 void EditBoxImplCommon::draw(Renderer* /*renderer*/, const Mat4& /*transform*/, uint32_t flags)
 {
     if(flags)

cocos/ui/UIEditBox/UIEditBoxImpl-common.h

@@ -91,6 +91,7 @@ public:
 
     virtual void setAnchorPoint(const Vec2& anchorPoint) override {}
     virtual void setPosition(const Vec2& pos) override {}
+    virtual void setGlobalZOrder(float globalZOrder) override;
 
     /**
      * @js NA

cocos/ui/UIEditBox/UIEditBoxImpl.h

@@ -86,7 +86,9 @@ namespace cocos2d {
             virtual void setVisible(bool visible) = 0;
             virtual void setContentSize(const Size& size) = 0;
             virtual void setAnchorPoint(const Vec2& anchorPoint) = 0;
-            
+
+            virtual void setGlobalZOrder(float globalZOrder) = 0;
+
             /**
              * check the editbox's position, update it when needed
              */