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 #include "gtk/gtk.h"
  18
  19 //-----------------------------------------------------------------------------
  20 // wxTimer
  21 //-----------------------------------------------------------------------------
  22
  23 IMPLEMENT_ABSTRACT_CLASS(wxTimer,wxObject)
  24
  25 gint timeout_callback( gpointer data )
  26 {
  27     wxTimer *timer = (wxTimer*)data;
  28     timer->Notify();
  29
  30     if (timer->OneShot())
  31     {
  32         timer->Stop();
  33     }
  34
  35     return TRUE;
  36 }
  37
  38 wxTimer::wxTimer()
  39 {
  40     m_tag = -1;
  41     m_time = 1000;
  42     m_oneShot = FALSE;
  43 }
  44
  45 wxTimer::~wxTimer()
  46 {
  47     Stop();
  48 }
  49
  50 bool wxTimer::Start( int millisecs, bool oneShot )
  51 {
  52     if (millisecs != -1)
  53     {
  54         m_time = millisecs;
  55     }
  56
  57     m_oneShot = oneShot;
  58
  59     m_tag = gtk_timeout_add( millisecs, timeout_callback, this );
  60
  61     return TRUE;
  62 }
  63
  64 void wxTimer::Stop()
  65 {
  66     if (m_tag != -1)
  67     {
  68         gtk_timeout_remove( m_tag );
  69         m_tag = -1;
  70     }
  71 }
  72