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_ABSTRACT_CLASS(wxTimer,wxObject)
  23
  24 gint timeout_callback( gpointer data )
  25 {
  26   wxTimer *timer = (wxTimer*)data;
  27   timer->Notify();
  28
  29   if ( timer->OneShot() )
  30     timer->Stop();
  31
  32   return TRUE;
  33 }
  34
  35 wxTimer::wxTimer()
  36 {
  37   m_tag = -1;
  38   m_time = 1000;
  39   m_oneShot = FALSE;
  40 }
  41
  42 wxTimer::~wxTimer()
  43 {
  44   Stop();
  45 }
  46
  47 bool wxTimer::Start( int millisecs, bool oneShot )
  48 {
  49   if ( millisecs != -1 )
  50     m_time = millisecs;
  51
  52   m_oneShot = oneShot;
  53
  54   m_tag = gtk_timeout_add( millisecs, timeout_callback, this );
  55
  56   return TRUE;
  57 }
  58
  59 void wxTimer::Stop()
  60 {
  61   if ( m_tag != -1 )
  62   {
  63     gtk_timeout_remove( m_tag );
  64
  65     m_tag = -1;
  66   }
  67 }
  68