add on focus change

doric-Qt/example/doric/shader/DoricInputNode.cpp

@@ -64,3 +64,11 @@ void DoricInputNode::onTextChange(QString text) {
     callJSResponse(onTextChangeId, args);
   }
 }
+
+void DoricInputNode::onFocusChange(bool hasFocus) {
+  if (!onFocusChangeId.isEmpty()) {
+    QVariantList args;
+    args.append(hasFocus);
+    callJSResponse(onFocusChangeId, args);
+  }
+}

doric-Qt/example/doric/shader/DoricInputNode.h

@@ -20,6 +20,8 @@ public:
   QSizeF sizeThatFits(QSizeF size);
 
   void onTextChange(QString text);
+
+  void onFocusChange(bool hasFocus);
 };
 
 #endif // DORICINPUTNODE_H