X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/92da8bde1bbe14402517e83990603a055d522ecf..fc32630a5e03e60a67d4ef53fc59985ea087b451:/include/wx/timer.h diff --git a/include/wx/timer.h b/include/wx/timer.h index aee24ca764..4e36b6d35f 100644 --- a/include/wx/timer.h +++ b/include/wx/timer.h @@ -1,33 +1,41 @@ ///////////////////////////////////////////////////////////////////////////// // Name: wx/timer.h // Purpose: wxTimer, wxStopWatch and global time-related functions -// Author: Julian Smart (wxTimer), Sylvain Bougnoux (wxStopWatch) +// Author: Julian Smart // Modified by: Vadim Zeitlin (wxTimerBase) // Guillermo Rodriguez (global clean up) // Created: 04/01/98 // RCS-ID: $Id$ -// Copyright: (c) wxWindows team -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_TIMER_H_BASE_ #define _WX_TIMER_H_BASE_ -#ifdef __GNUG__ - #pragma interface "timerbase.h" -#endif +#include "wx/defs.h" + +#if wxUSE_TIMER -#include "wx/setup.h" #include "wx/object.h" #include "wx/longlong.h" #include "wx/event.h" +#include "wx/stopwatch.h" // for backwards compatibility +#include "wx/utils.h" -// ---------------------------------------------------------------------------- -// 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 + +class WXDLLIMPEXP_FWD_BASE wxTimerImpl; // the interface of wxTimer class -class WXDLLEXPORT wxTimerBase : public wxObject +class WXDLLIMPEXP_BASE wxTimer : public wxEvtHandler { public: // ctors and initializers @@ -35,164 +43,144 @@ public: // 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); } + wxTimer() + { + 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 id = -1) - { Init(); SetOwner(owner, -1); } + wxTimer(wxEvtHandler *owner, int timerid = wxID_ANY) + { + Init(); + SetOwner(owner, timerid); + } // same as ctor above - void SetOwner(wxEvtHandler *owner, int id = -1) - { m_owner = owner; m_idTimer = id; } + void SetOwner(wxEvtHandler *owner, int timerid = wxID_ANY); + + virtual ~wxTimer(); + // working with the timer // ---------------------- + // NB: Start() and Stop() are not supposed to be overridden, they are only + // virtual for historical reasons, only Notify() can be overridden + // start the timer: if milliseconds == -1, use the same value as for the // last Start() - virtual bool Start(int milliseconds = -1, bool oneShot = FALSE) - { - if ( milliseconds != -1 ) - { - m_milli = milliseconds; - } - - m_oneShot = oneShot; - - return TRUE; - } + // + // 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; + // stop the timer, does nothing if the timer is not running + virtual void Stop(); // 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; + // accessors + // --------- + + // get the object notified about the timer events + wxEvtHandler *GetOwner() const; + + // return true if the timer is running + bool IsRunning() const; - // get the (last) timer interval in the milliseconds - int GetInterval() const { return m_milli; } + // return the timer ID + int GetId() const; - // return TRUE if the timer is one shot - bool IsOneShot() const { return m_oneShot; } + // get the (last) timer interval in milliseconds + int GetInterval() const; -#if WXWIN_COMPATIBILITY_2 - // deprecated functions - int Interval() const { return GetInterval(); }; - bool OneShot() const { return IsOneShot(); } -#endif // WXWIN_COMPATIBILITY_2 + // return true if the timer is one shot + bool IsOneShot() const; protected: // common part of all ctors - void Init() { m_oneShot = FALSE; m_milli = 0; } + void Init(); - wxEvtHandler *m_owner; - int m_idTimer; + wxTimerImpl *m_impl; - int m_milli; // the timer interval - bool m_oneShot; // TRUE if one shot + DECLARE_NO_COPY_CLASS(wxTimer) }; // ---------------------------------------------------------------------------- -// wxTimer itself +// wxTimerRunner: starts the timer in its ctor, stops in the dtor // ---------------------------------------------------------------------------- -#if defined(__WXMSW__) - #include "wx/msw/timer.h" -#elif defined(__WXMOTIF__) - #include "wx/motif/timer.h" -#elif defined(__WXGTK__) - #include "wx/gtk/timer.h" -#elif defined(__WXQT__) - #include "wx/qt/timer.h" -#elif defined(__WXMAC__) - #include "wx/mac/timer.h" -#elif defined(__WXPM__) - #include "wx/os2/timer.h" -#elif defined(__WXSTUBS__) - #include "wx/stubs/timer.h" -#endif - -// ---------------------------------------------------------------------------- -// wxTimerEvent -// ---------------------------------------------------------------------------- - -class WXDLLEXPORT wxTimerEvent : public wxEvent +class WXDLLIMPEXP_BASE wxTimerRunner { public: - wxTimerEvent(int id = 0, int interval = 0) : wxEvent(id) + wxTimerRunner(wxTimer& timer) : m_timer(timer) { } + wxTimerRunner(wxTimer& timer, int milli, bool oneShot = false) + : m_timer(timer) { - m_eventType = wxEVT_TIMER; + m_timer.Start(milli, oneShot); + } - m_interval = interval; + void Start(int milli, bool oneShot = false) + { + m_timer.Start(milli, oneShot); } - // accessors - int GetInterval() const { return m_interval; } + ~wxTimerRunner() + { + if ( m_timer.IsRunning() ) + { + m_timer.Stop(); + } + } private: - int m_interval; + wxTimer& m_timer; - DECLARE_DYNAMIC_CLASS(wxTimerEvent) + DECLARE_NO_COPY_CLASS(wxTimerRunner) }; -typedef void (wxEvtHandler::*wxTimerEventFunction)(wxTimerEvent&); - -#define EVT_TIMER(id, func) { wxEVT_TIMER, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTimerEventFunction) & func, NULL}, - // ---------------------------------------------------------------------------- -// wxStopWatch: measure time intervals with up to 1ms resolution +// wxTimerEvent // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxStopWatch +class WXDLLIMPEXP_BASE wxTimerEvent : public wxEvent { public: - // ctor starts the stop watch - wxStopWatch() { Start(); } - void Start(long t = 0); - void Pause() { m_pause = GetElapsedTime(); } - void Resume() { Start(m_pause); } + wxTimerEvent(wxTimer& timer) + : wxEvent(timer.GetId(), wxEVT_TIMER), + m_timer(timer) + { + SetEventObject(timer.GetOwner()); + } - // get elapsed time since the last Start() or Pause() in milliseconds - long Time() const; + // accessors + int GetInterval() const { return m_timer.GetInterval(); } + wxTimer& GetTimer() const { return m_timer; } -protected: - // returns the elapsed time since t0 - long GetElapsedTime() const; + // implement the base class pure virtual + virtual wxEvent *Clone() const { return new wxTimerEvent(*this); } private: - wxLongLong m_t0; // the time of the last Start() - long m_pause; // the time of the last Pause() or 0 -}; + wxTimer& m_timer; + DECLARE_ABSTRACT_CLASS(wxTimerEvent) + DECLARE_NO_ASSIGN_CLASS(wxTimerEvent) +}; -// 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); - -// ---------------------------------------------------------------------------- -// global time functions -// ---------------------------------------------------------------------------- +typedef void (wxEvtHandler::*wxTimerEventFunction)(wxTimerEvent&); -// Get number of seconds since local time 00:00:00 Jan 1st 1970. -long WXDLLEXPORT wxGetLocalTime(); +#define wxTimerEventHandler(func) \ + (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxTimerEventFunction, &func) -// Get number of seconds since GMT 00:00:00, Jan 1st 1970. -long WXDLLEXPORT wxGetUTCTime(); +#define EVT_TIMER(timerid, func) \ + wx__DECLARE_EVT1(wxEVT_TIMER, timerid, wxTimerEventHandler(func)) -#define wxGetCurrentTime() wxGetLocalTime() +#endif // wxUSE_TIMER -#endif - // _WX_TIMER_H_BASE_ +#endif // _WX_TIMER_H_BASE_