Clean project structure.

src/ui/ui_elements/ui_events/PaintEvent.cpp

@@ -0,0 +1,18 @@
+#include "PaintEvent.h"
+
+PaintEvent::PaintEvent()
+    : UiEvent()
+{
+    mType = UiEvent::Type::Paint;
+}
+
+PaintEvent::~PaintEvent()
+{
+
+}
+
+std::unique_ptr<PaintEvent> PaintEvent::Create()
+{
+    return std::make_unique<PaintEvent>();
+}
+