src/motif/timer.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        timer.cpp
   3 // Purpose:     wxTimer implementation
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "timer.h"
  14 #endif
  15
  16 #include "wx/timer.h"
  17 #include "wx/app.h"
  18 #include "wx/list.h"
  19
  20 #include <Xm/Xm.h>
  21
  22 #include "wx/motif/private.h"
  23
  24 #if !USE_SHARED_LIBRARY
  25 IMPLEMENT_ABSTRACT_CLASS(wxTimer, wxObject)
  26 #endif
  27
  28 static wxList wxTimerList(wxKEY_INTEGER);
  29
  30 void wxTimerCallback (wxTimer * timer)
  31 {
  32   // Check to see if it's still on
  33   if (!wxTimerList.Find((long)timer))
  34     return;
  35
  36   if (timer->m_id == 0)
  37     return;                     // Avoid to process spurious timer events
  38
  39   if (!timer->m_oneShot)
  40     timer->m_id = XtAppAddTimeOut ((XtAppContext) wxTheApp->GetAppContext(), timer->m_milli,
  41                   (XtTimerCallbackProc) wxTimerCallback, (XtPointer) timer);
  42   else
  43     timer->m_id = 0;
  44   timer->Notify ();
  45 }
  46
  47 wxTimer::wxTimer()
  48 {
  49     m_id = 0;
  50     m_milli = 0 ;
  51     m_id = 0;
  52     m_oneShot = FALSE;
  53 }
  54
  55 wxTimer::~wxTimer()
  56 {
  57     Stop();
  58 }
  59
  60 bool wxTimer::Start(int milliseconds, bool mode)
  61 {
  62     Stop();
  63
  64     m_oneShot = mode;
  65     if (milliseconds < 0)
  66         milliseconds = m_lastMilli;
  67
  68     if (milliseconds <= 0)
  69         return FALSE;
  70
  71     m_lastMilli = m_milli = milliseconds;
  72
  73     if (!wxTimerList.Find((long)this))
  74         wxTimerList.Append((long)this, this);
  75
  76     m_id = XtAppAddTimeOut ((XtAppContext) wxTheApp->GetAppContext(), milliseconds,
  77                    (XtTimerCallbackProc) wxTimerCallback, (XtPointer) this);
  78     return TRUE;
  79 }
  80
  81 void wxTimer::Stop()
  82 {
  83     if (m_id > 0)
  84     {
  85         XtRemoveTimeOut (m_id);
  86         m_id = 0;
  87     }
  88     m_milli = 0 ;
  89 }
  90
  91