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 #include "glib.h"
  20 */
  21
  22 //-----------------------------------------------------------------------------
  23 // global functions
  24 //-----------------------------------------------------------------------------
  25
  26 /*
  27 static GTimer *g_timer = (GTimer*) NULL;
  28
  29 void wxStartTimer()
  30 {
  31     if (g_timer)
  32     {
  33         g_timer_rest( g_timer );
  34     }
  35     else
  36     {
  37         g_timer = g_timer_new();
  38         g_timer_start( g_timer );
  39     }
  40 }
  41
  42 long wxGetElapsedTime( bool resetTimer )
  43 {
  44     gulong res = 0;
  45     if (g_timer)
  46     {
  47         g_timer_elapsed( g_timer, &res );
  48         if (resetTimer) g_timer_reset( g_timer );
  49     }
  50
  51     return res;
  52 }
  53
  54 bool wxGetLocalTime( long *timeZone, int *dstObserved )
  55 {
  56 }
  57
  58 long wxGetCurrentTime()
  59 {
  60 }
  61 */
  62
  63
  64 //-----------------------------------------------------------------------------
  65 // wxTimer
  66 //-----------------------------------------------------------------------------
  67
  68 IMPLEMENT_ABSTRACT_CLASS(wxTimer,wxObject)
  69
  70 static gint timeout_callback( gpointer data )
  71 {
  72     wxTimer *timer = (wxTimer*)data;
  73
  74 #if (GTK_MINOR_VERSION > 0)
  75     /* when getting called from GDK's timer handler we
  76        are no longer within GDK's grab on the GUI
  77        thread so we must lock it here ourselves */
  78     GDK_THREADS_ENTER ();
  79 #endif
  80
  81     timer->Notify();
  82
  83 #if (GTK_MINOR_VERSION > 0)
  84     /* release lock again */
  85     GDK_THREADS_LEAVE ();
  86 #endif
  87
  88     if (timer->OneShot())
  89         timer->Stop();
  90
  91     return TRUE;
  92 }
  93
  94 wxTimer::wxTimer()
  95 {
  96     m_tag = -1;
  97     m_time = 1000;
  98     m_oneShot = FALSE;
  99 }
 100
 101 wxTimer::~wxTimer()
 102 {
 103     Stop();
 104 }
 105
 106 bool wxTimer::Start( int millisecs, bool oneShot )
 107 {
 108     if (millisecs != -1)
 109     {
 110         m_time = millisecs;
 111     }
 112
 113     m_oneShot = oneShot;
 114
 115     m_tag = gtk_timeout_add( millisecs, timeout_callback, this );
 116
 117     return TRUE;
 118 }
 119
 120 void wxTimer::Stop()
 121 {
 122     if (m_tag != -1)
 123     {
 124         gtk_timeout_remove( m_tag );
 125         m_tag = -1;
 126     }
 127 }
 128