add initial examples, replacing the 'Demos/Demos3'. Will make it work cross-platform, OpenGL3/OpenGL2 and add more examples to it.

examples/ThirdPartyLibs/Gwen/events.cpp

@@ -0,0 +1,111 @@
+/*
+	GWEN
+	Copyright (c) 2010 Facepunch Studios
+	See license in Gwen.h
+*/
+
+
+#include "Gwen/Events.h"
+
+using namespace Gwen;
+using namespace Gwen::Event;
+
+
+Handler::Handler()
+{
+
+}
+
+Handler::~Handler()
+{
+	CleanLinks();
+}
+
+void Handler::CleanLinks()
+{
+	// Tell all the callers that we're dead
+	std::list<Caller*>::iterator iter = m_Callers.begin();
+	while ( iter != m_Callers.end() )
+	{
+		Caller* pCaller = *iter;
+		UnRegisterCaller( pCaller );
+		pCaller->RemoveHandler( this );
+		iter = m_Callers.begin();
+	}
+}
+
+void Handler::RegisterCaller( Caller* pCaller )
+{
+	m_Callers.push_back( pCaller );
+}
+
+void Handler::UnRegisterCaller( Caller* pCaller )
+{
+	m_Callers.remove( pCaller );
+}
+
+
+Caller::Caller()
+{
+	
+}
+
+Caller::~Caller()
+{
+	CleanLinks();
+}
+
+void Caller::CleanLinks()
+{
+	std::list<handler>::iterator iter;
+	for (iter = m_Handlers.begin(); iter != m_Handlers.end(); ++iter)
+	{
+		handler& h = *iter;
+		h.pObject->UnRegisterCaller( this );
+	}
+
+	m_Handlers.clear();
+}
+
+void Caller::Call( Controls::Base* pThis )
+{
+	std::list<handler>::iterator iter;
+	for (iter = m_Handlers.begin(); iter != m_Handlers.end(); ++iter)
+	{
+		handler& h = *iter;
+		(h.pObject->*h.fnFunction)( pThis );
+	}
+} 
+
+void Caller::AddInternal( Event::Handler* pObject, Event::Handler::Function pFunction )
+{
+	handler h;
+	h.fnFunction = pFunction;
+	h.pObject = pObject;
+
+	m_Handlers.push_back( h );
+
+	pObject->RegisterCaller( this );
+}
+
+void Caller::RemoveHandler( Event::Handler* pObject )
+{
+	pObject->UnRegisterCaller( this );
+
+	std::list<handler>::iterator iter = m_Handlers.begin();
+
+	while ( iter != m_Handlers.end() )
+	{
+		handler& h = *iter;
+
+		if ( h.pObject == pObject )
+		{
+			iter = m_Handlers.erase( iter );
+		}
+		else
+		{
+			++iter;
+		}
+	}
+
+}