wxWidgets/src/gtk/timer.cpp

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/////////////////////////////////////////////////////////////////////////////
// Name: timer.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "timer.h"
#endif
#include "wx/timer.h"
#include "gtk/gtk.h"
/*
#include "glib.h"
*/
//-----------------------------------------------------------------------------
// global functions
//-----------------------------------------------------------------------------
/*
static GTimer *g_timer = (GTimer*) NULL;
void wxStartTimer()
{
if (g_timer)
{
g_timer_rest( g_timer );
}
else
{
g_timer = g_timer_new();
g_timer_start( g_timer );
}
}
long wxGetElapsedTime( bool resetTimer )
{
gulong res = 0;
if (g_timer)
{
g_timer_elapsed( g_timer, &res );
if (resetTimer) g_timer_reset( g_timer );
}
return res;
}
bool wxGetLocalTime( long *timeZone, int *dstObserved )
{
}
long wxGetCurrentTime()
{
}
*/
//-----------------------------------------------------------------------------
// wxTimer
//-----------------------------------------------------------------------------
IMPLEMENT_ABSTRACT_CLASS(wxTimer,wxObject)
static gint timeout_callback( gpointer data )
{
wxTimer *timer = (wxTimer*)data;
#if (GTK_MINOR_VERSION > 0)
/* when getting called from GDK's timer handler we
are no longer within GDK's grab on the GUI
thread so we must lock it here ourselves */
GDK_THREADS_ENTER ();
#endif
timer->Notify();
#if (GTK_MINOR_VERSION > 0)
/* release lock again */
GDK_THREADS_LEAVE ();
#endif
if (timer->OneShot())
return FALSE;
return TRUE;
}
wxTimer::wxTimer()
{
m_tag = -1;
m_time = 1000;
m_oneShot = FALSE;
}
wxTimer::~wxTimer()
{
Stop();
}
bool wxTimer::Start( int millisecs, bool oneShot )
{
if (millisecs != -1)
{
m_time = millisecs;
}
m_oneShot = oneShot;
m_tag = gtk_timeout_add( millisecs, timeout_callback, this );
return TRUE;
}
void wxTimer::Stop()
{
if (m_tag != -1)
{
gtk_timeout_remove( m_tag );
m_tag = -1;
}
}