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/********************************************************************** |
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* Copyright (C) 2002-2003 by Gezelter's Group
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*This program is free software; you can redistribute it and/or modify
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*it under the terms of the GNU General Public License as published by
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*the Free Software Foundation version 2 of the License.
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*
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*This program is distributed in the hope that it will be useful,
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*but WITHOUT ANY WARRANTY; without even the implied warranty of
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*MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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*GNU General Public License for more details.
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*
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************************************************************************ |
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*Author: Teng Lin Email: tlin@nd.edu |
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*Date: 08/13/2002 Version: 1.0 |
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* |
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************************************************************************ |
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*Description: |
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* The Classes of handling event |
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***********************************************************************/ |
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#ifndef eventH |
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#define eventH |
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#include <iostream> |
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#include <vector> |
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|
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using namespace std; |
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|
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class TEventObject; |
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class TEventDispatcher; |
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|
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namespace TEventType |
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{ |
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const int All = 1; |
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const int FrameChanged = 2; |
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}; |
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|
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struct TEventItem |
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{ |
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TEventObject *_object; |
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void (TEventObject::*Handle)(int eventType, TEventDispatcher * dispatcher, void *extra); |
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}; |
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class TEventItems |
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{ |
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int _eventType; |
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vector<TEventItem> _items; |
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}; |
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|
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class TEventTable |
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{ |
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protected: |
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vector<TEventItems*> _table; |
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public: |
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TEventTable(); |
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TEventTable(const TEventTable &table); |
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~TEventTable(); |
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void AddItem(int eventType, TEventObject *object, |
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void (TEventObject::*Handle)(int, TEventDispatcher*, void *)); |
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void RemoveItem(int eventType, TEventObject *object, |
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void (TEventObject::*Handle)(int, TEventDispatcher*, void *)); |
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void RemoveItem(int eventType, TEventObject *object); |
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void Dispatch(int eventType, TEventDispatcher * dispatcher, void *extra); |
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}; |
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class TEventObject |
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{ |
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protected: |
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TEventTable *_table; |
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public: |
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TEventObject(TEventTable *table) { _table = table;} |
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~TEventObject() {} |
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TEventTable *GetEventTable() { return _table;} |
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void SetEventTable(TEventTable *table) { _table = table;} |
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virtual void DefaultHandle(int eventType, |
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TEventDispatcher * dispatcher, void *extra) {} |
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void Register(int eventType, TEventObject *object, |
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void (TEventObject::*Handle)(int, TEventDispatcher*, void *) = DefaultHandle); |
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void UnRegister(int eventType, TEventObject *object, |
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void (TEventObject::*Handle)(int, TEventDispatcher*, void *)); |
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void UnRegister(int eventType, TEventObject *object); |
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}; |
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class TEventDispatcher |
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{ |
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protected: |
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TEventTable *_table; |
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public: |
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TEventDispatcher(TEventTable *table) { _table = table;} |
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~TEventDispatcher() {} |
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Dispatch(int eventType, TEventDispatcher * dispatcher, void *extra); |
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}; |
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#endif |
