af49c4b8a2
GNU compiler included with Mac OS X 10.2 (Jaguar) as well as August Developer Tools update contain a bug concerning #pragma interface handling that can only be worked around by not using them (and they are not necessary anyways) git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16884 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
264 lines
7.4 KiB
C++
264 lines
7.4 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/timer.h
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// Purpose: wxTimer, wxStopWatch and global time-related functions
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// Author: Julian Smart (wxTimer), Sylvain Bougnoux (wxStopWatch)
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// Modified by: Vadim Zeitlin (wxTimerBase)
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// Guillermo Rodriguez (global clean up)
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// Created: 04/01/98
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// RCS-ID: $Id$
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// Copyright: (c) wxWindows team
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_TIMER_H_BASE_
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#define _WX_TIMER_H_BASE_
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#if defined(__GNUG__) && !defined(__APPLE__)
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#pragma interface "timerbase.h"
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#endif
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#include "wx/setup.h"
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#include "wx/object.h"
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#include "wx/longlong.h"
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#include "wx/event.h"
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#if wxUSE_GUI && wxUSE_TIMER
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// ----------------------------------------------------------------------------
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// wxTimer
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// ----------------------------------------------------------------------------
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// more readable flags for Start():
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// generate notifications periodically until the timer is stopped (default)
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#define wxTIMER_CONTINUOUS FALSE
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// only send the notification once and then stop the timer
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#define wxTIMER_ONE_SHOT TRUE
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// the interface of wxTimer class
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class WXDLLEXPORT wxTimerBase : public wxObject
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{
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public:
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// ctors and initializers
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// ----------------------
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// default: if you don't call SetOwner(), your only chance to get timer
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// notifications is to override Notify() in the derived class
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wxTimerBase() { Init(); SetOwner(NULL); }
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// ctor which allows to avoid having to override Notify() in the derived
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// class: the owner will get timer notifications which can be handled with
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// EVT_TIMER
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wxTimerBase(wxEvtHandler *owner, int id = -1)
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{ Init(); SetOwner(owner, id); }
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// same as ctor above
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void SetOwner(wxEvtHandler *owner, int id = -1)
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{ m_owner = owner; m_idTimer = id; }
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virtual ~wxTimerBase();
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// working with the timer
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// ----------------------
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// start the timer: if milliseconds == -1, use the same value as for the
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// last Start()
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//
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// it is now valid to call Start() multiple times: this just restarts the
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// timer if it is already running
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virtual bool Start(int milliseconds = -1, bool oneShot = FALSE);
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// stop the timer
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virtual void Stop() = 0;
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// override this in your wxTimer-derived class if you want to process timer
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// messages in it, use non default ctor or SetOwner() otherwise
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virtual void Notify();
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// getting info
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// ------------
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// return TRUE if the timer is running
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virtual bool IsRunning() const = 0;
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// get the (last) timer interval in the milliseconds
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int GetInterval() const { return m_milli; }
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// return TRUE if the timer is one shot
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bool IsOneShot() const { return m_oneShot; }
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#if WXWIN_COMPATIBILITY_2
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// deprecated functions
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int Interval() const { return GetInterval(); };
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bool OneShot() const { return IsOneShot(); }
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#endif // WXWIN_COMPATIBILITY_2
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protected:
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// common part of all ctors
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void Init() { m_oneShot = FALSE; m_milli = 0; }
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wxEvtHandler *m_owner;
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int m_idTimer;
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int m_milli; // the timer interval
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bool m_oneShot; // TRUE if one shot
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};
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// ----------------------------------------------------------------------------
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// wxTimer itself
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// ----------------------------------------------------------------------------
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#if defined(__WXMSW__)
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#include "wx/msw/timer.h"
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#elif defined(__WXMOTIF__)
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#include "wx/motif/timer.h"
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#elif defined(__WXGTK__)
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#include "wx/gtk/timer.h"
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#elif defined(__WXX11__) || defined(__WXMGL__)
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#include "wx/generic/timer.h"
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#elif defined(__WXMAC__)
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#include "wx/mac/timer.h"
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#elif defined(__WXPM__)
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#include "wx/os2/timer.h"
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#elif defined(__WXSTUBS__)
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#include "wx/stubs/timer.h"
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#endif
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// ----------------------------------------------------------------------------
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// wxTimerRunner: starts the timer in its ctor, stops in the dtor
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxTimerRunner
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{
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public:
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wxTimerRunner(wxTimer& timer) : m_timer(timer) { }
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wxTimerRunner(wxTimer& timer, int milli, bool oneShot = FALSE)
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: m_timer(timer)
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{
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m_timer.Start(milli, oneShot);
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}
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void Start(int milli, bool oneShot = FALSE)
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{
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m_timer.Start(milli, oneShot);
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}
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~wxTimerRunner()
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{
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if ( m_timer.IsRunning() )
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{
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m_timer.Stop();
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}
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}
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private:
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wxTimer& m_timer;
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};
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// ----------------------------------------------------------------------------
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// wxTimerEvent
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxTimerEvent : public wxEvent
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{
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public:
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wxTimerEvent(int id = 0, int interval = 0) : wxEvent(id)
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{
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m_eventType = wxEVT_TIMER;
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m_interval = interval;
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}
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// accessors
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int GetInterval() const { return m_interval; }
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// implement the base class pure virtual
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virtual wxEvent *Clone() const { return new wxTimerEvent(*this); }
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private:
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int m_interval;
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DECLARE_DYNAMIC_CLASS(wxTimerEvent)
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};
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typedef void (wxEvtHandler::*wxTimerEventFunction)(wxTimerEvent&);
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#define EVT_TIMER(id, func) \
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DECLARE_EVENT_TABLE_ENTRY( wxEVT_TIMER, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTimerEventFunction) & func, NULL),
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#endif // wxUSE_GUI && wxUSE_TIMER
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// ----------------------------------------------------------------------------
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// wxStopWatch: measure time intervals with up to 1ms resolution
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// ----------------------------------------------------------------------------
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#if wxUSE_STOPWATCH
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class WXDLLEXPORT wxStopWatch
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{
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public:
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// ctor starts the stop watch
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wxStopWatch() { m_pauseCount = 0; Start(); }
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// start the stop watch at the moment t0
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void Start(long t0 = 0);
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// pause the stop watch
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void Pause() { if ( !m_pauseCount++) m_pause = GetElapsedTime(); }
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// resume it
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void Resume() { if ( !--m_pauseCount ) Start(m_pause); }
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// get elapsed time since the last Start() in milliseconds
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long Time() const;
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protected:
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// returns the elapsed time since t0
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long GetElapsedTime() const;
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private:
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// the time of the last Start()
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wxLongLong m_t0;
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// the time of the last Pause() (only valid if m_pauseCount > 0)
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long m_pause;
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// if > 0, the stop watch is paused, otherwise it is running
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int m_pauseCount;
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};
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#endif // wxUSE_STOPWATCH
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#if wxUSE_LONGLONG
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// Starts a global timer
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// -- DEPRECATED: use wxStopWatch instead
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void WXDLLEXPORT wxStartTimer();
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// Gets elapsed milliseconds since last wxStartTimer or wxGetElapsedTime
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// -- DEPRECATED: use wxStopWatch instead
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long WXDLLEXPORT wxGetElapsedTime(bool resetTimer = TRUE);
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#endif // wxUSE_LONGLONG
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// ----------------------------------------------------------------------------
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// global time functions
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// ----------------------------------------------------------------------------
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// Get number of seconds since local time 00:00:00 Jan 1st 1970.
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extern long WXDLLEXPORT wxGetLocalTime();
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// Get number of seconds since GMT 00:00:00, Jan 1st 1970.
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extern long WXDLLEXPORT wxGetUTCTime();
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#if wxUSE_LONGLONG
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// Get number of milliseconds since local time 00:00:00 Jan 1st 1970
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extern wxLongLong WXDLLEXPORT wxGetLocalTimeMillis();
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#endif // wxUSE_LONGLONG
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#define wxGetCurrentTime() wxGetLocalTime()
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#endif
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// _WX_TIMER_H_BASE_
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