onMouseover/onMouseout hooks

src/graphics/components/Component.h

@@ -149,6 +149,8 @@ public:
     std::function<void()> onClick = nullptr;
     std::function<void()> onFocus = nullptr;
     std::function<void()> onBlur = nullptr;
+    std::function<void()> onMouseover = nullptr;
+    std::function<void()> onMouseout = nullptr;
 };
 
 #endif