74 lines
1.7 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: src/gtk/timer.cpp
// Purpose: wxTimer implementation
// Author: Robert Roebling
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#if wxUSE_TIMER
#include "wx/gtk/private/timer.h"
#include "wx/app.h"
#include <gtk/gtk.h>
// ----------------------------------------------------------------------------
// wxTimerImpl
// ----------------------------------------------------------------------------
extern "C" {
static gboolean timeout_callback(gpointer data)
{
wxGTKTimerImpl *timer = (wxGTKTimerImpl*)data;
const bool keepGoing = !timer->IsOneShot();
if ( !keepGoing )
timer->Stop();
// 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();
timer->Notify();
// Release lock again.
gdk_threads_leave();
wxApp* app = wxTheApp;
if (app)
app->WakeUpIdle();
return keepGoing;
}
} // extern "C"
bool wxGTKTimerImpl::Start(int millisecs, bool oneShot)
{
if ( !wxTimerImpl::Start(millisecs, oneShot) )
return false;
wxASSERT_MSG( !m_sourceId, wxT("shouldn't be still running") );
m_sourceId = g_timeout_add(m_milli, timeout_callback, this);
return true;
}
void wxGTKTimerImpl::Stop()
{
wxASSERT_MSG( m_sourceId, wxT("should be running") );
g_source_remove(m_sourceId);
m_sourceId = 0;
}
#endif // wxUSE_TIMER