X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4f3ac409263ef169b015057f2718c6a98498f163..5b9003ae3213f487fa3be74804b426a8ad0db323:/include/wx/timer.h diff --git a/include/wx/timer.h b/include/wx/timer.h index 0dd07e0bed..8955051268 100644 --- a/include/wx/timer.h +++ b/include/wx/timer.h @@ -1,52 +1,196 @@ +///////////////////////////////////////////////////////////////////////////// +// Name: wx/timer.h +// Purpose: wxTimer, wxStopWatch and global time-related functions +// Author: Julian Smart +// Modified by: Vadim Zeitlin (wxTimerBase) +// Guillermo Rodriguez (global clean up) +// Created: 04/01/98 +// RCS-ID: $Id$ +// Copyright: (c) Julian Smart +// Licence: wxWindows licence +///////////////////////////////////////////////////////////////////////////// + #ifndef _WX_TIMER_H_BASE_ #define _WX_TIMER_H_BASE_ +#include "wx/defs.h" + +#if wxUSE_GUI && wxUSE_TIMER + +#include "wx/object.h" +#include "wx/longlong.h" +#include "wx/event.h" +#include "wx/stopwatch.h" // for backwards compatibility + + +// 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 wxEvtHandler +{ +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(this); } + + // 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 timerid = wxID_ANY) + { Init(); SetOwner(owner, timerid); } + + // same as ctor above + void SetOwner(wxEvtHandler *owner, int timerid = wxID_ANY) + { m_owner = owner; m_idTimer = timerid; } + wxEvtHandler * GetOwner() const { return m_owner; } + + 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; + + // return the timer ID + int GetId() const { return m_idTimer; } + + // get the (last) timer interval in milliseconds + int GetInterval() const { return m_milli; } + + // return true if the timer is one shot + bool IsOneShot() const { return m_oneShot; } + +protected: + // common part of all ctors + void Init() + { m_owner = NULL; m_idTimer = wxID_ANY; m_milli = 0; m_oneShot = false; } + + 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(__WXGTK20__) + #include "wx/gtk/timer.h" #elif defined(__WXGTK__) -#include "wx/gtk/timer.h" -#elif defined(__WXQT__) -#include "wx/qt/timer.h" + #include "wx/gtk1/timer.h" +#elif defined(__WXX11__) || defined(__WXMGL__) + #include "wx/generic/timer.h" +#elif defined (__WXCOCOA__) + #include "wx/cocoa/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 -class wxChrono +// ---------------------------------------------------------------------------- +// wxTimerRunner: starts the timer in its ctor, stops in the dtor +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxTimerRunner { -public: - wxChrono(); - - void Start(long t=0); - void Pause(); - void Resume(); +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); + } - long Time(); + ~wxTimerRunner() + { + if ( m_timer.IsRunning() ) + { + m_timer.Stop(); + } + } private: - long m_t0; - long m_pause; + wxTimer& m_timer; + + DECLARE_NO_COPY_CLASS(wxTimerRunner) }; -// Timer functions (milliseconds) -void WXDLLEXPORT wxStartTimer(); +// ---------------------------------------------------------------------------- +// wxTimerEvent +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxTimerEvent : public wxEvent +{ +public: + wxTimerEvent(int timerid = 0, int interval = 0) : wxEvent(timerid) + { + 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_NO_ASSIGN(wxTimerEvent) +}; -// Gets time since last wxStartTimer or wxGetElapsedTime -long WXDLLEXPORT wxGetElapsedTime(bool resetTimer = TRUE); +typedef void (wxEvtHandler::*wxTimerEventFunction)(wxTimerEvent&); -// EXPERIMENTAL: comment this out if it doesn't compile. -bool WXDLLEXPORT wxGetLocalTime(long *timeZone, int *dstObserved); +#define wxTimerEventHandler(func) \ + (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxTimerEventFunction, &func) -// Get number of seconds since 00:00:00 GMT, Jan 1st 1970. -long WXDLLEXPORT wxGetCurrentTime(); +#define EVT_TIMER(timerid, func) \ + wx__DECLARE_EVT1(wxEVT_TIMER, timerid, wxTimerEventHandler(func)) -// Get number of milliseconds since 00:00:00 GMT, Jan 1st 1970. -long WXDLLEXPORT wxGetCurrentMTime(); +#endif // wxUSE_GUI && wxUSE_TIMER #endif // _WX_TIMER_H_BASE_