src/gtk/timer.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        timer.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Created:     01/02/97
   6 // Id:
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "timer.h"
  14 #endif
  15
  16 #include "wx/timer.h"
  17
  18 //-----------------------------------------------------------------------------
  19 // wxTimer
  20 //-----------------------------------------------------------------------------
  21
  22 IMPLEMENT_DYNAMIC_CLASS(wxTimer,wxObject)
  23
  24 gint timeout_callback( gpointer data )
  25 {
  26   wxTimer *timer = (wxTimer*)data;
  27   timer->Notify();
  28   if (timer->OneShot()) timer->Stop();
  29   return TRUE;
  30 }
  31
  32 wxTimer::wxTimer(void)
  33 {
  34   m_tag = -1;
  35   m_time = 1000;
  36   m_oneShot = FALSE;
  37 }
  38
  39 wxTimer::~wxTimer(void)
  40 {
  41   Stop();
  42 }
  43
  44 int wxTimer::Interval(void)
  45 {
  46   return m_time;
  47 }
  48
  49 bool wxTimer::OneShot(void)
  50 {
  51   return m_oneShot;
  52 }
  53
  54 void wxTimer::Notify(void)
  55 {
  56 }
  57
  58 void wxTimer::Start( int millisecs, bool oneShot )
  59 {
  60   if (millisecs != -1) m_time = millisecs;
  61   m_oneShot = oneShot;
  62   m_tag = gtk_timeout_add( millisecs, timeout_callback, this );
  63 }
  64
  65 void wxTimer::Stop(void)
  66 {
  67   if (m_tag != -1)
  68     gtk_timeout_remove( m_tag );
  69   m_tag = -1;
  70 }
  71