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/*
$Id: timer.h,v 1.12 2001/12/01 17:49:21 sphair Exp $
------------------------------------------------------------------------
ClanLib, the platform independent game SDK.
This library is distributed under the GNU LIBRARY GENERAL PUBLIC LICENSE
version 2. See COPYING for details.
For a total list of contributers see CREDITS.
See http://www.clanlib.org
------------------------------------------------------------------------
*/
//! clanCore="System"
//! header=core.h
#ifndef header_timer
#define header_timer
#include "keep_alive.h"
#include "../../signals.h"
//: Timer signal emitter.
//- Use this class to emit a signal as a timer event.
class CL_Timer : public CL_KeepAlive
{
//! Construction:
public:
//: Constructs and registers the timer as a keep_alive listener.
//: Note that it is disabled by default, so you need to enable() it.
//- interval - Interval in millisecs between each signal emit.
CL_Timer(unsigned long interval = 1000);
//! Attributes:
public:
//: Returns the current time interval.
//- Returns - The current time interval.
unsigned long get_interval();
//: Returns true if the timer is enabled, false otherwise.
bool is_enabled();
//! Operations:
public:
//: Sets a new interval for the timer.
//- interval - Interval in millisecs between each signal emit.
void set_interval(unsigned long interval);
//: Call this function to enable the timer.
void enable();
//: Call this function to disable the timer.
void disable();
//! Signals:
public:
//: Signal emitted everytime the interval has elapsed.
CL_Signal_v0 sig_timer;
//! Implementation:
private:
virtual void keep_alive();
unsigned long interval;
unsigned long last_time;
bool enabled;
};
#endif
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