+/////////////////////////////////////////////////////////////////////////////
+// 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
+// Copyright: (c) Julian Smart
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
#ifndef _WX_TIMER_H_BASE_
#define _WX_TIMER_H_BASE_
-#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
-
-class wxChrono
+#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);
+
+ // start the timer for one iteration only, this is just a simple wrapper
+ // for Start()
+ bool StartOnce(int milliseconds = -1) { return Start(milliseconds, true); }
+
+ // 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:
- 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);
+ }
- long Time();
+ void Start(int milli, bool oneShot = false)
+ {
+ m_timer.Start(milli, oneShot);
+ }
+
+ ~wxTimerRunner()
+ {
+ if ( m_timer.IsRunning() )
+ {
+ m_timer.Stop();
+ }
+ }
private:
- long m_t0;
- long m_pause;
+ wxTimer& m_timer;
+
+ wxDECLARE_NO_COPY_CLASS(wxTimerRunner);
};
-// Timer functions (milliseconds)
-void WXDLLEXPORT wxStartTimer();
+// ----------------------------------------------------------------------------
+// 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)
+};
-// 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) \
+ wxEVENT_HANDLER_CAST(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_TIMER
-#endif
- // _WX_TIMER_H_BASE_
+#endif // _WX_TIMER_H_BASE_
projects / wxWidgets.git / blobdiff