Back with clickable button.

src/ui_elements/widgets/Widget.h

@@ -5,6 +5,7 @@
 
 #include <memory>
 #include <vector>
+#include <string>
 
 class MouseEvent;
 class KeyboardEvent;
@@ -103,6 +104,13 @@ public:
 
     void setVisible(bool visible);
 
+    void setName(const std::string& name)
+    {
+        mName = name;
+    }
+
+    bool needsUpdate() const;
+
 protected:
     virtual bool onMyKeyboardEvent(const KeyboardEvent* event);
 
@@ -114,11 +122,6 @@ protected:
 
     virtual void updateChildLocations();
 
-    void addMyLayers();
-
-    bool needsUpdate() const;
-
-protected:
     virtual bool isDirty() const;
 
     DiscretePoint mLocation;
@@ -139,6 +142,7 @@ protected:
     bool mMaterialDirty{true};
     bool mVisibilityDirty{true};
 
+    std::string mName;
     std::vector<TransformNode*> mPendingChildNodes;
 };