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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  13 #pragma implementation "timer.h"
  14 #endif
  15
  16 #include "wx/timer.h"
  17 #include "wx/app.h"
  18 #include "wx/hashmap.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 WX_DECLARE_VOIDPTR_HASH_MAP(wxTimer*, wxTimerHashMap);
  33
  34 static wxTimerHashMap s_timers;
  35
  36 void wxTimerCallback (wxTimer * timer)
  37 {
  38   // Check to see if it's still on
  39   if (s_timers.find(timer) == s_timers.end())
  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 void wxTimer::Init()
  57 {
  58     m_id = 0;
  59     m_milli = 1000;
  60 }
  61
  62 wxTimer::~wxTimer()
  63 {
  64     Stop();
  65     s_timers.erase(this);
  66 }
  67
  68 bool wxTimer::Start(int milliseconds, bool mode)
  69 {
  70     Stop();
  71
  72     (void)wxTimerBase::Start(milliseconds, mode);
  73
  74     if (s_timers.find(this) == s_timers.end())
  75         s_timers[this] = this;
  76
  77     m_id = XtAppAddTimeOut((XtAppContext) wxTheApp->GetAppContext(),
  78                             m_milli,
  79                             (XtTimerCallbackProc) wxTimerCallback,
  80                             (XtPointer) this);
  81     return TRUE;
  82 }
  83
  84 void wxTimer::Stop()
  85 {
  86     if (m_id > 0)
  87     {
  88         XtRemoveTimeOut (m_id);
  89         m_id = 0;
  90     }
  91     m_milli = 0 ;
  92 }
  93
  94