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event_listener.hGo to the documentation of this file.00001 00007 /* Copyright, 2000 Nevrax Ltd. 00008 * 00009 * This file is part of NEVRAX NEL. 00010 * NEVRAX NEL is free software; you can redistribute it and/or modify 00011 * it under the terms of the GNU General Public License as published by 00012 * the Free Software Foundation; either version 2, or (at your option) 00013 * any later version. 00014 00015 * NEVRAX NEL is distributed in the hope that it will be useful, but 00016 * WITHOUT ANY WARRANTY; without even the implied warranty of 00017 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00018 * General Public License for more details. 00019 00020 * You should have received a copy of the GNU General Public License 00021 * along with NEVRAX NEL; see the file COPYING. If not, write to the 00022 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, 00023 * MA 02111-1307, USA. 00024 */ 00025 00026 #ifndef NL_EVENT_LISTENER_H 00027 #define NL_EVENT_LISTENER_H 00028 00029 #include "nel/misc/types_nl.h" 00030 #include "nel/misc/events.h" 00031 #include "nel/misc/bit_set.h" 00032 00033 00034 namespace NLMISC { 00035 00036 class CEvent; 00037 class CEventServer; 00038 00045 class IEventListener 00046 { 00047 public: 00048 00050 IEventListener(); 00051 00056 virtual void operator ()(const CEvent& event)=0; 00057 }; 00058 00059 00066 class CEventListenerAsync: public IEventListener 00067 { 00068 public: 00069 00071 CEventListenerAsync(); 00072 virtual ~CEventListenerAsync() {} 00073 00077 void addToServer (CEventServer& server); 00078 00082 void removeFromServer (CEventServer& server); 00083 00088 bool isKeyDown(TKey key) const; 00089 00097 bool isKeyPushed (TKey key, bool release=true); 00098 00099 00109 void reset (); 00110 00111 00112 protected: 00113 /* 00114 * Call back of the listener. 00115 * \param event is the event send to the listener 00116 */ 00117 virtual void operator ()(const CEvent& event); 00118 CBitSet _KeyArray; 00119 // Must have 2 arrays because of key repetition... 00120 CBitSet _KeyDownArray, _KeyReleaseArray; 00121 }; 00122 00123 00124 } // NLMISC 00125 00126 00127 #endif // NL_EVENT_LISTENER_H 00128 00129 /* End of event_listener.h */ 00130 |