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 IMPLEMENT_ABSTRACT_CLASS(wxTimer, wxObject)
  31
  32 static wxList wxTimerList(wxKEY_INTEGER);
  33
  34 void wxTimerCallback (wxTimer * timer)
  35 {
  36   // Check to see if it's still on
  37   if (!wxTimerList.Find((long)timer))
  38     return;
  39
  40   if (timer->m_id == 0)
  41     return;                     // Avoid to process spurious timer events
  42
  43   if (!timer->m_oneShot)
  44     timer->m_id = XtAppAddTimeOut((XtAppContext) wxTheApp->GetAppContext(),
  45                                   timer->m_milli,
  46                                   (XtTimerCallbackProc) wxTimerCallback,
  47                                   (XtPointer) timer);
  48   else
  49     timer->m_id = 0;
  50
  51   timer->Notify();
  52 }
  53
  54 wxTimer::wxTimer()
  55 {
  56     m_id = 0;
  57 }
  58
  59 wxTimer::~wxTimer()
  60 {
  61     wxTimer::Stop();
  62     wxTimerList.DeleteObject(this);
  63 }
  64
  65 bool wxTimer::Start(int milliseconds, bool mode)
  66 {
  67     Stop();
  68
  69     (void)wxTimerBase::Start(milliseconds, mode);
  70
  71     if (!wxTimerList.Find((long)this))
  72         wxTimerList.Append((long)this, this);
  73
  74     m_id = XtAppAddTimeOut((XtAppContext) wxTheApp->GetAppContext(),
  75                             m_milli,
  76                             (XtTimerCallbackProc) wxTimerCallback,
  77                             (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