X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2049ba38adafa0ec146880de29f26e32dd69a125..86ac84b8ce086e6bbda58f422d41f84268606e35:/include/wx/timer.h?ds=sidebyside diff --git a/include/wx/timer.h b/include/wx/timer.h index 609cc33ace..0b9a63b082 100644 --- a/include/wx/timer.h +++ b/include/wx/timer.h @@ -1,13 +1,193 @@ -#ifndef __TIMERH_BASE__ -#define __TIMERH_BASE__ - -#if defined(__WXMSW__) -#include "wx/msw/timer.h" -#elif defined(__WXMOTIF__) -#include "wx/xt/timer.h" -#elif defined(__WXGTK__) -#include "wx/gtk/timer.h" -#endif - -#endif - // __TIMERH_BASE__ +///////////////////////////////////////////////////////////////////////////// +// 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_TIMER + +#include "wx/object.h" +#include "wx/longlong.h" +#include "wx/event.h" +#include "wx/stopwatch.h" // for backwards compatibility +#include "wx/utils.h" + + +// 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; +class WXDLLIMPEXP_FWD_BASE wxTimerEvent; + +// timer event type +wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_BASE, wxEVT_TIMER, wxTimerEvent); + +// the interface of wxTimer class +class WXDLLIMPEXP_BASE wxTimer : 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 + 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 + wxTimer(wxEvtHandler *owner, int timerid = wxID_ANY) + { + Init(); + SetOwner(owner, timerid); + } + + // same as ctor above + 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() + // + // 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, 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(); + + + // accessors + // --------- + + // get the object notified about the timer events + wxEvtHandler *GetOwner() const; + + // return true if the timer is running + bool IsRunning() const; + + // return the timer ID + int GetId() const; + + // get the (last) timer interval in milliseconds + int GetInterval() const; + + // return true if the timer is one shot + bool IsOneShot() const; + +protected: + // common part of all ctors + void Init(); + + wxTimerImpl *m_impl; + + wxDECLARE_NO_COPY_CLASS(wxTimer); +}; + +// ---------------------------------------------------------------------------- +// wxTimerRunner: starts the timer in its ctor, stops in the dtor +// ---------------------------------------------------------------------------- + +class WXDLLIMPEXP_BASE 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; + + wxDECLARE_NO_COPY_CLASS(wxTimerRunner); +}; + +// ---------------------------------------------------------------------------- +// wxTimerEvent +// ---------------------------------------------------------------------------- + +class WXDLLIMPEXP_BASE wxTimerEvent : public wxEvent +{ +public: + wxTimerEvent() + : wxEvent(wxID_ANY, wxEVT_TIMER) { m_timer=NULL; } + + wxTimerEvent(wxTimer& timer) + : wxEvent(timer.GetId(), wxEVT_TIMER), + m_timer(&timer) + { + SetEventObject(timer.GetOwner()); + } + + // accessors + int GetInterval() const { return m_timer->GetInterval(); } + wxTimer& GetTimer() const { return *m_timer; } + + // implement the base class pure virtual + virtual wxEvent *Clone() const { return new wxTimerEvent(*this); } + virtual wxEventCategory GetEventCategory() const { return wxEVT_CATEGORY_TIMER; } + +private: + wxTimer* m_timer; + + DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxTimerEvent) +}; + +typedef void (wxEvtHandler::*wxTimerEventFunction)(wxTimerEvent&); + +#define wxTimerEventHandler(func) \ + wxEVENT_HANDLER_CAST(wxTimerEventFunction, func) + +#define EVT_TIMER(timerid, func) \ + wx__DECLARE_EVT1(wxEVT_TIMER, timerid, wxTimerEventHandler(func)) + +#endif // wxUSE_TIMER + +#endif // _WX_TIMER_H_BASE_