X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1777b9bbf4573dabecf4a3256d0d3c2c0c2a3fdf..db4444f0cebf4e63e666a7d6d18141c127535efd:/include/wx/timer.h?ds=sidebyside diff --git a/include/wx/timer.h b/include/wx/timer.h index 0b86490de6..57dd27b15a 100644 --- a/include/wx/timer.h +++ b/include/wx/timer.h @@ -1,21 +1,274 @@ +///////////////////////////////////////////////////////////////////////////// +// Name: wx/timer.h +// Purpose: wxTimer, wxStopWatch and global time-related functions +// Author: Julian Smart (wxTimer), Sylvain Bougnoux (wxStopWatch) +// Modified by: Vadim Zeitlin (wxTimerBase) +// Guillermo Rodriguez (global clean up) +// Created: 04/01/98 +// RCS-ID: $Id$ +// Copyright: (c) wxWindows team +// Licence: wxWindows licence +///////////////////////////////////////////////////////////////////////////// + #ifndef _WX_TIMER_H_BASE_ #define _WX_TIMER_H_BASE_ +#if defined(__GNUG__) && !defined(__APPLE__) + #pragma interface "timerbase.h" +#endif + +#include "wx/setup.h" +#include "wx/object.h" +#include "wx/longlong.h" +#include "wx/event.h" + +#if wxUSE_GUI && wxUSE_TIMER + +// ---------------------------------------------------------------------------- +// wxTimer +// ---------------------------------------------------------------------------- + +// more readable flags for Start(): + +// generate notifications periodically until the timer is stopped (default) +#define wxTIMER_CONTINUOUS FALSE + +// only send the notification once and then stop the timer +#define wxTIMER_ONE_SHOT TRUE + +// the interface of wxTimer class +class WXDLLEXPORT wxTimerBase : public wxObject +{ +public: + // ctors and initializers + // ---------------------- + + // default: if you don't call SetOwner(), your only chance to get timer + // notifications is to override Notify() in the derived class + wxTimerBase() { Init(); SetOwner(NULL); } + + // ctor which allows to avoid having to override Notify() in the derived + // class: the owner will get timer notifications which can be handled with + // EVT_TIMER + wxTimerBase(wxEvtHandler *owner, int id = -1) + { Init(); SetOwner(owner, id); } + + // same as ctor above + void SetOwner(wxEvtHandler *owner, int id = -1) + { m_owner = owner; m_idTimer = id; } + + virtual ~wxTimerBase(); + + // working with the timer + // ---------------------- + + // start the timer: if milliseconds == -1, use the same value as for the + // last Start() + // + // it is now valid to call Start() multiple times: this just restarts the + // timer if it is already running + virtual bool Start(int milliseconds = -1, bool oneShot = FALSE); + + // stop the timer + virtual void Stop() = 0; + + // override this in your wxTimer-derived class if you want to process timer + // messages in it, use non default ctor or SetOwner() otherwise + virtual void Notify(); + + // getting info + // ------------ + + // return TRUE if the timer is running + virtual bool IsRunning() const = 0; + + // get the (last) timer interval in the milliseconds + int GetInterval() const { return m_milli; } + + // return TRUE if the timer is one shot + bool IsOneShot() const { return m_oneShot; } + +#if WXWIN_COMPATIBILITY_2 + // deprecated functions + int Interval() const { return GetInterval(); }; + bool OneShot() const { return IsOneShot(); } +#endif // WXWIN_COMPATIBILITY_2 + +protected: + // common part of all ctors + void Init() { m_oneShot = FALSE; m_milli = 0; } + + wxEvtHandler *m_owner; + int m_idTimer; + + int m_milli; // the timer interval + bool m_oneShot; // TRUE if one shot + + DECLARE_NO_COPY_CLASS(wxTimerBase) +}; + +// ---------------------------------------------------------------------------- +// wxTimer itself +// ---------------------------------------------------------------------------- + #if defined(__WXMSW__) -#include "wx/msw/timer.h" + #include "wx/msw/timer.h" #elif defined(__WXMOTIF__) -#include "wx/motif/timer.h" + #include "wx/motif/timer.h" #elif defined(__WXGTK__) -#include "wx/gtk/timer.h" -#elif defined(__WXQT__) -#include "wx/qt/timer.h" + #include "wx/gtk/timer.h" +#elif defined(__WXX11__) || defined(__WXMGL__) + #include "wx/generic/timer.h" #elif defined(__WXMAC__) -#include "wx/mac/timer.h" + #include "wx/mac/timer.h" #elif defined(__WXPM__) -#include "wx/os2/timer.h" -#elif defined(__WXSTUBS__) -#include "wx/stubs/timer.h" + #include "wx/os2/timer.h" #endif +// ---------------------------------------------------------------------------- +// wxTimerRunner: starts the timer in its ctor, stops in the dtor +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxTimerRunner +{ +public: + wxTimerRunner(wxTimer& timer) : m_timer(timer) { } + wxTimerRunner(wxTimer& timer, int milli, bool oneShot = FALSE) + : m_timer(timer) + { + m_timer.Start(milli, oneShot); + } + + void Start(int milli, bool oneShot = FALSE) + { + m_timer.Start(milli, oneShot); + } + + ~wxTimerRunner() + { + if ( m_timer.IsRunning() ) + { + m_timer.Stop(); + } + } + +private: + wxTimer& m_timer; +}; + +// ---------------------------------------------------------------------------- +// wxTimerEvent +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxTimerEvent : public wxEvent +{ +public: + wxTimerEvent(int id = 0, int interval = 0) : wxEvent(id) + { + m_eventType = wxEVT_TIMER; + + m_interval = interval; + } + + // accessors + int GetInterval() const { return m_interval; } + + // implement the base class pure virtual + virtual wxEvent *Clone() const { return new wxTimerEvent(*this); } + +private: + int m_interval; + + DECLARE_DYNAMIC_CLASS(wxTimerEvent) +}; + +typedef void (wxEvtHandler::*wxTimerEventFunction)(wxTimerEvent&); + +#define EVT_TIMER(id, func) \ + DECLARE_EVENT_TABLE_ENTRY( wxEVT_TIMER, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTimerEventFunction) & func, NULL), + +#endif // wxUSE_GUI && wxUSE_TIMER + +// ---------------------------------------------------------------------------- +// wxStopWatch: measure time intervals with up to 1ms resolution +// ---------------------------------------------------------------------------- + +#if wxUSE_STOPWATCH + +class WXDLLEXPORT wxStopWatch +{ +public: + // ctor starts the stop watch + wxStopWatch() { m_pauseCount = 0; Start(); } + + // start the stop watch at the moment t0 + void Start(long t0 = 0); + + // pause the stop watch + void Pause() + { + if ( !m_pauseCount++ ) + m_pause = GetElapsedTime(); + } + + // resume it + void Resume() + { + wxASSERT_MSG( m_pauseCount > 0, + _T("Resuming stop watch which is not paused") ); + + if ( !--m_pauseCount ) + Start(m_pause); + } + + // get elapsed time since the last Start() in milliseconds + long Time() const; + +protected: + // returns the elapsed time since t0 + long GetElapsedTime() const; + +private: + // the time of the last Start() + wxLongLong m_t0; + + // the time of the last Pause() (only valid if m_pauseCount > 0) + long m_pause; + + // if > 0, the stop watch is paused, otherwise it is running + int m_pauseCount; +}; + +#endif // wxUSE_STOPWATCH + +#if wxUSE_LONGLONG + +// Starts a global timer +// -- DEPRECATED: use wxStopWatch instead +void WXDLLEXPORT wxStartTimer(); + +// Gets elapsed milliseconds since last wxStartTimer or wxGetElapsedTime +// -- DEPRECATED: use wxStopWatch instead +long WXDLLEXPORT wxGetElapsedTime(bool resetTimer = TRUE); + +#endif // wxUSE_LONGLONG + +// ---------------------------------------------------------------------------- +// global time functions +// ---------------------------------------------------------------------------- + +// Get number of seconds since local time 00:00:00 Jan 1st 1970. +extern long WXDLLEXPORT wxGetLocalTime(); + +// Get number of seconds since GMT 00:00:00, Jan 1st 1970. +extern long WXDLLEXPORT wxGetUTCTime(); + +#if wxUSE_LONGLONG +// Get number of milliseconds since local time 00:00:00 Jan 1st 1970 +extern wxLongLong WXDLLEXPORT wxGetLocalTimeMillis(); +#endif // wxUSE_LONGLONG + +#define wxGetCurrentTime() wxGetLocalTime() + #endif // _WX_TIMER_H_BASE_