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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: wx/stopwatch.h | |
3 | // Purpose: wxStopWatch and global time-related functions | |
4 | // Author: Julian Smart (wxTimer), Sylvain Bougnoux (wxStopWatch) | |
5 | // Created: 26.06.03 (extracted from wx/timer.h) | |
6 | // RCS-ID: $Id$ | |
7 | // Copyright: (c) 1998-2003 wxWidgets team | |
8 | // Licence: wxWindows licence | |
9 | ///////////////////////////////////////////////////////////////////////////// | |
10 | ||
11 | #ifndef _WX_STOPWATCH_H_ | |
12 | #define _WX_STOPWATCH_H_ | |
13 | ||
14 | #include "wx/longlong.h" | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // wxStopWatch: measure time intervals with up to 1ms resolution | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
20 | #if wxUSE_STOPWATCH | |
21 | ||
22 | class WXDLLIMPEXP_BASE wxStopWatch | |
23 | { | |
24 | public: | |
25 | // ctor starts the stop watch | |
26 | wxStopWatch() { m_pauseCount = 0; Start(); } | |
27 | ||
28 | // start the stop watch at the moment t0 | |
29 | void Start(long t0 = 0); | |
30 | ||
31 | // pause the stop watch | |
32 | void Pause() | |
33 | { | |
34 | if ( !m_pauseCount++ ) | |
35 | m_pause = GetElapsedTime(); | |
36 | } | |
37 | ||
38 | // resume it | |
39 | void Resume() | |
40 | { | |
41 | wxASSERT_MSG( m_pauseCount > 0, | |
42 | _T("Resuming stop watch which is not paused") ); | |
43 | ||
44 | if ( !--m_pauseCount ) | |
45 | Start(m_pause); | |
46 | } | |
47 | ||
48 | // get elapsed time since the last Start() in milliseconds | |
49 | long Time() const; | |
50 | ||
51 | protected: | |
52 | // returns the elapsed time since t0 | |
53 | long GetElapsedTime() const; | |
54 | ||
55 | private: | |
56 | // the time of the last Start() | |
57 | wxLongLong m_t0; | |
58 | ||
59 | // the time of the last Pause() (only valid if m_pauseCount > 0) | |
60 | long m_pause; | |
61 | ||
62 | // if > 0, the stop watch is paused, otherwise it is running | |
63 | int m_pauseCount; | |
64 | }; | |
65 | ||
66 | #endif // wxUSE_STOPWATCH | |
67 | ||
68 | #if wxUSE_LONGLONG | |
69 | ||
70 | // Starts a global timer | |
71 | // -- DEPRECATED: use wxStopWatch instead | |
72 | void WXDLLIMPEXP_BASE wxStartTimer(); | |
73 | ||
74 | // Gets elapsed milliseconds since last wxStartTimer or wxGetElapsedTime | |
75 | // -- DEPRECATED: use wxStopWatch instead | |
76 | long WXDLLIMPEXP_BASE wxGetElapsedTime(bool resetTimer = true); | |
77 | ||
78 | #endif // wxUSE_LONGLONG | |
79 | ||
80 | // ---------------------------------------------------------------------------- | |
81 | // global time functions | |
82 | // ---------------------------------------------------------------------------- | |
83 | ||
84 | // Get number of seconds since local time 00:00:00 Jan 1st 1970. | |
85 | extern long WXDLLIMPEXP_BASE wxGetLocalTime(); | |
86 | ||
87 | // Get number of seconds since GMT 00:00:00, Jan 1st 1970. | |
88 | extern long WXDLLIMPEXP_BASE wxGetUTCTime(); | |
89 | ||
90 | #if wxUSE_LONGLONG | |
91 | // Get number of milliseconds since local time 00:00:00 Jan 1st 1970 | |
92 | extern wxLongLong WXDLLIMPEXP_BASE wxGetLocalTimeMillis(); | |
93 | #endif // wxUSE_LONGLONG | |
94 | ||
95 | #define wxGetCurrentTime() wxGetLocalTime() | |
96 | ||
97 | #endif // _WX_STOPWATCH_H_ | |
98 |