src/motif/timer.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/motif/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 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #include "wx/timer.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/app.h"
  19     #include "wx/hashmap.h"
  20 #endif
  21
  22 #ifdef __VMS__
  23 #pragma message disable nosimpint
  24 #endif
  25 #include <Xm/Xm.h>
  26 #ifdef __VMS__
  27 #pragma message enable nosimpint
  28 #endif
  29
  30 #include "wx/motif/private.h"
  31
  32 IMPLEMENT_ABSTRACT_CLASS(wxTimer, wxEvtHandler)
  33
  34 WX_DECLARE_VOIDPTR_HASH_MAP(wxTimer*, wxTimerHashMap);
  35
  36 static wxTimerHashMap s_timers;
  37
  38 void wxTimerCallback (wxTimer * timer)
  39 {
  40   // Check to see if it's still on
  41   if (s_timers.find(timer) == s_timers.end())
  42     return;
  43
  44   if (timer->m_id == 0)
  45     return;            // Avoid to process spurious timer events
  46
  47   if (!timer->m_oneShot)
  48     timer->m_id = XtAppAddTimeOut((XtAppContext) wxTheApp->GetAppContext(),
  49                                   timer->m_milli,
  50                                   (XtTimerCallbackProc) wxTimerCallback,
  51                                   (XtPointer) timer);
  52   else
  53     timer->m_id = 0;
  54
  55   timer->Notify();
  56 }
  57
  58 void wxTimer::Init()
  59 {
  60     m_id = 0;
  61     m_milli = 1000;
  62 }
  63
  64 wxTimer::~wxTimer()
  65 {
  66     Stop();
  67     s_timers.erase(this);
  68 }
  69
  70 bool wxTimer::Start(int milliseconds, bool mode)
  71 {
  72     Stop();
  73
  74     (void)wxTimerBase::Start(milliseconds, mode);
  75
  76     if (s_timers.find(this) == s_timers.end())
  77         s_timers[this] = this;
  78
  79     m_id = XtAppAddTimeOut((XtAppContext) wxTheApp->GetAppContext(),
  80                             m_milli,
  81                             (XtTimerCallbackProc) wxTimerCallback,
  82                             (XtPointer) this);
  83     return true;
  84 }
  85
  86 void wxTimer::Stop()
  87 {
  88     if (m_id > 0)
  89     {
  90         XtRemoveTimeOut (m_id);
  91         m_id = 0;
  92     }
  93     m_milli = 0 ;
  94 }