blob: 81098fdab9d75e478f319824040e62b52a2cbd71 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
/*
* barrier -- mouse and keyboard sharing utility
* Copyright (C) 2012-2016 Symless Ltd.
* Copyright (C) 2002 Chris Schoeneman
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file LICENSE that should have accompanied this file.
*
* This package 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "common/common.h"
//! A timer class
/*!
This class measures time intervals. All time interval measurement
should use this class.
*/
class Stopwatch {
public:
/*!
The default constructor does an implicit reset() or setTrigger().
If triggered == false then the clock starts ticking.
*/
Stopwatch(bool triggered = false);
~Stopwatch();
//! @name manipulators
//@{
//! Reset the timer to zero
/*!
Set the start time to the current time, returning the time since
the last reset. This does not remove the trigger if it's set nor
does it start a stopped clock. If the clock is stopped then
subsequent reset()'s will return 0.
*/
double reset();
//! Stop the timer
/*!
Stop the stopwatch. The time interval while stopped is not
counted by the stopwatch. stop() does not remove the trigger.
Has no effect if already stopped.
*/
void stop();
//! Start the timer
/*!
Start the stopwatch. start() removes the trigger, even if the
stopwatch was already started.
*/
void start();
//! Stop the timer and set the trigger
/*!
setTrigger() stops the clock like stop() except there's an
implicit start() the next time (non-const) getTime() is called.
This is useful when you want the clock to start the first time
you check it.
*/
void setTrigger();
//! Get elapsed time
/*!
Returns the time since the last reset() (or calls reset() and
returns zero if the trigger is set).
*/
double getTime();
//! Same as getTime()
operator double();
//@}
//! @name accessors
//@{
//! Check if timer is stopped
/*!
Returns true if the stopwatch is stopped.
*/
bool isStopped() const;
// return the time since the last reset().
//! Get elapsed time
/*!
Returns the time since the last reset(). This cannot trigger the
stopwatch to start and will not clear the trigger.
*/
double getTime() const;
//! Same as getTime() const
operator double() const;
//@}
private:
double getClock() const;
private:
double m_mark;
bool m_triggered;
bool m_stopped;
};
|
