Add EventBase and EventHandleBase

MiniEngine_Event.cpp

@@ -1 +1,53 @@
 #include "MiniEngine_Event.h"
+
+void EventBase::update(const EventBase& ev)
+{
+    e=ev.e;
+}
+
+void MouseMotionEvent::update(const EventBase& ev)
+{
+    EventBase::update(ev);
+    x=e.motion.x;
+    y=e.motion.y;
+}
+
+void MouseButtonEvent::update(const EventBase& ev)
+{
+    EventBase::update(ev);
+    x=e.button.x;
+    y=e.button.y;
+}
+
+bool EventHandlerBase::event(const EventBase& ev)
+{
+    switch(ev.e.type)
+    {
+    case SDL_MOUSEBUTTONDOWN:
+        {
+            MouseButtonEvent eb;
+            eb.update(ev);
+            return onMouseDown(eb);
+        }
+        break;
+    case SDL_MOUSEBUTTONUP:
+        {
+            MouseButtonEvent eb;
+            eb.update(ev);
+            return onMouseUp(eb);
+        }
+        break;
+    }
+
+    return false;
+}
+
+bool EventHandlerBase::onMouseDown()
+{
+    return false;
+}
+
+bool EventHandlerBase::onMouseUp()
+{
+    return false;
+}

MiniEngine_Event.h

@@ -5,10 +5,30 @@ class EventBase
 {
 protected:
     SDL_Event e;
+    virtual void update(const EventBase&);
+    friend class EventHandlerBase;
 };
 
-class EventHandler
+class MouseMotionEvent : public EventBase
 {
 public:
-    virtual bool event(const EventBase&)=0;
+    int x,y;
+    void update(const EventBase&);
+};
+
+class MouseButtonEvent : public EventBase
+{
+public:
+    int x,y;
+    int button;
+    void update(const EventBase&);
+};
+
+class EventHandlerBase
+{
+public:
+    virtual bool event(const EventBase&);
+protected:
+    virtual bool onMouseDown(const MouseButtonEvent&);
+    virtual bool onMouseUp(const MouseButtonEvent&);
 };