src/gtk/timer.cpp

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