implement support for returning several elements at once from IEnumFORMATETC (part...

[wxWidgets.git] / include / wx / timer.h

diff --git a/include/wx/timer.h b/include/wx/timer.h
index d33638a8c81331b958152637d063aa71d9c4d10a..3c0b0b7f3799ad644e2d16fcf7a9674454ff263c 100644 (file)
--- a/include/wx/timer.h
+++ b/include/wx/timer.h
@@ -1,58 +1,82 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        wx/timer.h
 /////////////////////////////////////////////////////////////////////////////
 // Name:        wx/timer.h

-// Purpose:     wxTimer class and global time-related functions
-// Author:      Julian Smart
-// Modified by:
+// Purpose:     wxTimer, wxStopWatch and global time-related functions
+// Author:      Julian Smart (wxTimer), Sylvain Bougnoux (wxStopWatch)
+// Modified by: Vadim Zeitlin (wxTimerBase)
+//              Guillermo Rodriguez (global clean up)

 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Created:     04/01/98
 // RCS-ID:      $Id$

-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:    wxWindows license
+// Copyright:   (c) wxWindows team
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_TIMER_H_BASE_
 #define _WX_TIMER_H_BASE_
 
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_TIMER_H_BASE_
 #define _WX_TIMER_H_BASE_
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(__APPLE__)

     #pragma interface "timerbase.h"
 #endif
 
 #include "wx/setup.h"
 #include "wx/object.h"
 #include "wx/longlong.h"
     #pragma interface "timerbase.h"
 #endif
 
 #include "wx/setup.h"
 #include "wx/object.h"
 #include "wx/longlong.h"

+#include "wx/event.h"
+
+#include "wx/stopwatch.h" // for backwards compatibility
+
+#if wxUSE_GUI && wxUSE_TIMER

 
 // ----------------------------------------------------------------------------
 // wxTimer
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // 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
+

 // the interface of wxTimer class
 // the interface of wxTimer class

-class WXDLLEXPORT wxTimerBase : public wxObject
+class WXDLLEXPORT wxTimerBase : public wxEvtHandler

 {
 public:
 {
 public:

-    wxTimerBase() { m_oneShot = FALSE; m_milli = 0; }
+    // 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 id = -1)
+        { Init(); SetOwner(owner, id); }
+
+    // same as ctor above
+    void SetOwner(wxEvtHandler *owner, int id = -1)
+        { m_owner = owner; m_idTimer = id; }
+
+    virtual ~wxTimerBase();

 
     // working with the timer
     // ----------------------
 
     // start the timer: if milliseconds == -1, use the same value as for the
     // last Start()
 
     // working with the timer
     // ----------------------
 
     // 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
     virtual void Stop() = 0;
 

-    // override this in your wxTimer-derived class
-    virtual void Notify() = 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
     // ------------
 
     // getting info
     // ------------


@@ -73,72 +97,99 @@ public:
 #endif // WXWIN_COMPATIBILITY_2
 
 protected:
 #endif // WXWIN_COMPATIBILITY_2
 
 protected:

+    // common part of all ctors
+    void Init() { m_oneShot = FALSE; m_milli = 0; }
+
+    wxEvtHandler *m_owner;
+    int     m_idTimer;
+

     int     m_milli;        // the timer interval
     bool    m_oneShot;      // TRUE if one shot
     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"
 #elif defined(__WXMOTIF__)
     #include "wx/motif/timer.h"
 #elif defined(__WXGTK__)
     #include "wx/gtk/timer.h"
 #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(__WXX11__) || defined(__WXMGL__) || defined(__WXCOCOA__)
+    #include "wx/generic/timer.h"

 #elif defined(__WXMAC__)
     #include "wx/mac/timer.h"
 #elif defined(__WXPM__)
     #include "wx/os2/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
 
 // ----------------------------------------------------------------------------
 #endif
 
 // ----------------------------------------------------------------------------

-// wxStopWatch
+// wxTimerRunner: starts the timer in its ctor, stops in the dtor

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-class WXDLLEXPORT wxStopWatch
+class WXDLLEXPORT wxTimerRunner

 {
 {

-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); }
+public:
+    wxTimerRunner(wxTimer& timer) : m_timer(timer) { }
+    wxTimerRunner(wxTimer& timer, int milli, bool oneShot = FALSE)
+        : m_timer(timer)
+    {
+        m_timer.Start(milli, oneShot);
+    }

 
 

-    // get elapsed time since the last Start() or Pause() in milliseconds
-    long Time() const;
+    void Start(int milli, bool oneShot = FALSE)
+    {
+        m_timer.Start(milli, oneShot);
+    }
+
+    ~wxTimerRunner()
+    {
+        if ( m_timer.IsRunning() )
+        {
+            m_timer.Stop();
+        }
+    }

 
 

-protected:
-    // returns the elapsed time since t0
-    long GetElapsedTime() const;
-    

 private:
 private:

-    wxLongLong m_t0;      // the time of the last Start()
-    long m_pause;         // the time of the last Pause() or 0
+    wxTimer& m_timer;

 };
 
 };
 

+// ----------------------------------------------------------------------------
+// wxTimerEvent
+// ----------------------------------------------------------------------------

 
 

-// Starts a global timer 
-// -- DEPRECATED: use wxStopWatch instead
-void WXDLLEXPORT wxStartTimer();
+class WXDLLEXPORT wxTimerEvent : public wxEvent
+{
+public:
+    wxTimerEvent(int id = 0, int interval = 0) : wxEvent(id)
+    {
+        m_eventType = wxEVT_TIMER;

 
 

-// Gets elapsed milliseconds since last wxStartTimer or wxGetElapsedTime
-// -- DEPRECATED: use wxStopWatch instead
-long WXDLLEXPORT wxGetElapsedTime(bool resetTimer = TRUE);
+        m_interval = interval;
+    }

 
 

+    // accessors
+    int GetInterval() const { return m_interval; }

 
 

-// ----------------------------------------------------------------------------
-// global time functions
-// ----------------------------------------------------------------------------
+    // implement the base class pure virtual
+    virtual wxEvent *Clone() const { return new wxTimerEvent(*this); }

 
 

-// Get number of seconds since local time 00:00:00 Jan 1st 1970.
-long WXDLLEXPORT wxGetLocalTime();
+private:
+    int m_interval;
+
+    DECLARE_DYNAMIC_CLASS(wxTimerEvent)
+};

 
 

-// Get number of seconds since GMT 00:00:00, Jan 1st 1970.
-long WXDLLEXPORT wxGetUTCTime();
+typedef void (wxEvtHandler::*wxTimerEventFunction)(wxTimerEvent&);

 
 

+#define EVT_TIMER(id, func) \
+    DECLARE_EVENT_TABLE_ENTRY( wxEVT_TIMER, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTimerEventFunction) & func, NULL),

 
 

+#endif // wxUSE_GUI && wxUSE_TIMER

 
 #endif
     // _WX_TIMER_H_BASE_
 
 #endif
     // _WX_TIMER_H_BASE_