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 #ifdef __VMS__
  21 #pragma message disable nosimpint
  22 #endif
  23 #include <Xm/Xm.h>
  24 #ifdef __VMS__
  25 #pragma message enable nosimpint
  26 #endif
  27
  28 #include "wx/motif/private.h"
  29
  30 #if !USE_SHARED_LIBRARY
  31 IMPLEMENT_ABSTRACT_CLASS(wxTimer, wxObject)
  32 #endif
  33
  34 static wxList wxTimerList(wxKEY_INTEGER);
  35
  36 void wxTimerCallback (wxTimer * timer)
  37 {
  38   // Check to see if it's still on
  39   if (!wxTimerList.Find((long)timer))
  40     return;
  41
  42   if (timer->m_id == 0)
  43     return;                     // Avoid to process spurious timer events
  44
  45   if (!timer->m_oneShot)
  46     timer->m_id = XtAppAddTimeOut((XtAppContext) wxTheApp->GetAppContext(),
  47                                   timer->m_milli,
  48                                   (XtTimerCallbackProc) wxTimerCallback,
  49                                   (XtPointer) timer);
  50   else
  51     timer->m_id = 0;
  52
  53   timer->Notify();
  54 }
  55
  56 wxTimer::wxTimer()
  57 {
  58     m_id = 0;
  59 }
  60
  61 wxTimer::~wxTimer()
  62 {
  63     wxTimer::Stop();
  64     wxTimerList.DeleteObject(this);
  65 }
  66
  67 bool wxTimer::Start(int milliseconds, bool mode)
  68 {
  69     Stop();
  70
  71     (void)wxTimerBase::Start(milliseconds, mode);
  72
  73     if (!wxTimerList.Find((long)this))
  74         wxTimerList.Append((long)this, this);
  75
  76     m_id = XtAppAddTimeOut((XtAppContext) wxTheApp->GetAppContext(),
  77                             m_milli,
  78                             (XtTimerCallbackProc) wxTimerCallback,
  79                             (XtPointer) this);
  80     return TRUE;
  81 }
  82
  83 void wxTimer::Stop()
  84 {
  85     if (m_id > 0)
  86     {
  87         XtRemoveTimeOut (m_id);
  88         m_id = 0;
  89     }
  90     m_milli = 0 ;
  91 }
  92
  93