restructure project for dynamic linking

modules/gui/events/windowEvent.h

@@ -0,0 +1,27 @@
+#pragma once
+
+#include "engine.h"
+#include "event.h"
+
+
+class WindowEvent : public Event {
+    const int windowID, event;
+    public:
+    WindowEvent(int, int);
+
+    inline int getWindowID() const { return windowID; }
+
+    EventType getType() const {
+        switch(event) {
+            case SDL_WINDOWEVENT_CLOSE:
+                return EventType::WindowClose;
+            case SDL_WINDOWEVENT_RESIZED:
+                return EventType::WindowResize;
+            case SDL_WINDOWEVENT_FOCUS_GAINED:
+                return EventType::WindowFocus;
+            case SDL_WINDOWEVENT_FOCUS_LOST:
+                return EventType::WindowLostFocus;
+        }
+        return EventType::None;
+    }
+};