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/*
ParaGUI - crossplatform widgetset
Copyright (C) 2000,2001,2002 Alexander Pipelka
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Alexander Pipelka
pipelka@teleweb.at
Last Update: $Author: mbickel $
Update Date: $Date: 2009-04-18 13:48:39 $
Source File: $Source: /home/martin/asc/v2/svntest/games/asc/source/libs/paragui/include/pgtimerobject.h,v $
CVS/RCS Revision: $Revision: 1.3 $
Status: $State: Exp $
*/
/** \file pgtimerobject.h
Header file for the PG_TimerObject class.
*/
#ifndef PG_TIMEROBJECT_H
#define PG_TIMEROBJECT_H
#include "paragui.h"
#include <map>
#include <sigc++/sigc++.h>
/**
@author Alexander Pipelka
@short A class to handle periodical timers
This class encapsulates the SDL_AddTimer, SDL_RemoveTimer functions.
*/
class DECLSPEC PG_TimerObject {
public:
typedef unsigned long ID;
/**
Signal type declaration
**/
class SignalTimer : public sigc::signal<bool, PG_TimerObject*, PG_TimerObject::ID> {}
;
/**
Constructor of the PG_TimerObject class.
The constructor also calls SDL_InitSubSystem(SDL_Timer) to enable
the SDL timer subsystem.
*/
PG_TimerObject();
virtual ~PG_TimerObject();
/**
Add a timer to the object.
@param interval timer intervall in ms
@return id of the timer
You can add any number of timers to an object.
After the timer-interval the virtual function eventTimer(PG_TimerObject::ID id, Uint32 interval)
will be called
*/
PG_TimerObject::ID AddTimer(Uint32 interval);
/**
Remove a timer
@param id id of the timer to remove
*/
bool RemoveTimer(PG_TimerObject::ID id);
int SetTimer(Uint32 interval);
void StopTimer();
/**
timer event handler
@param id id of the elapsed timer
@param interval timer interval
@return should return the interval of the next timer event
*/
virtual Uint32 eventTimer(PG_TimerObject::ID id, Uint32 interval);
virtual Uint32 eventTimer(Uint32 interval);
SignalTimer sigTimer;
private:
DLLLOCAL static Uint32 callbackTimer(Uint32 interval, void* data);
DLLLOCAL static Uint32 callbackSingleTimer(Uint32 interval);
static PG_TimerObject::ID globalTimerID;
static std::map<PG_TimerObject::ID, PG_TimerObject*> timermap;
static Uint32 objectcount;
static PG_TimerObject* objSingleTimer;
std::map<PG_TimerObject::ID, SDL_TimerID> my_timermap;
SDL_mutex* my_lock;
};
#endif // PG_TIMEROBJECT_H
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