/////////////////////////////////////////////////////////////////////////////
// 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;
+class WXDLLIMPEXP_FWD_BASE wxTimerEvent;
+
+// timer event type
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_BASE, wxEVT_TIMER, wxTimerEvent);
// the interface of wxTimer class
-class WXDLLEXPORT wxTimerBase : public wxObject
+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
- 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
+ wxDECLARE_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)
+ wxDECLARE_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);
- inline void Pause() { m_pause = GetElapsedTime(); }
- inline void Resume() { Start(m_pause); }
-
- // get elapsed time since the last Start() or Pause() in milliseconds
- long Time() const;
+ wxTimerEvent()
+ : wxEvent(wxID_ANY, wxEVT_TIMER) { m_timer=NULL; }
-protected:
- // returns the elapsed time since t0
- long GetElapsedTime() const;
+ wxTimerEvent(wxTimer& timer)
+ : wxEvent(timer.GetId(), wxEVT_TIMER),
+ m_timer(&timer)
+ {
+ SetEventObject(timer.GetOwner());
+ }
-private:
- wxLongLong m_t0; // the time of the last Start()
- long m_pause; // the time of the last Pause() or 0
-};
+ // 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; }
-// Starts a global timer
-// -- DEPRECATED: use wxStopWatch instead
-void WXDLLEXPORT wxStartTimer();
+private:
+ wxTimer* m_timer;
-// Gets elapsed milliseconds since last wxStartTimer or wxGetElapsedTime
-// -- DEPRECATED: use wxStopWatch instead
-long WXDLLEXPORT wxGetElapsedTime(bool resetTimer = TRUE);
+ DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxTimerEvent)
+};
-// ----------------------------------------------------------------------------
-// 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) \
+ wxEVENT_HANDLER_CAST(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_
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