check that the version of __sync_sub_and_fetch that returns a value is supported...

[wxWidgets.git] / src / gtk / timer.cpp

diff --git a/src/gtk/timer.cpp b/src/gtk/timer.cpp
index ab9e36893186bdcc635daa4600362efe117ef3be..628ede1a184036807f7cbd8b4351ab92b56e0cdd 100644 (file)
--- a/src/gtk/timer.cpp
+++ b/src/gtk/timer.cpp
@@ -1,73 +1,69 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        gtk/timer.cpp
-// Purpose:
+// Purpose:     wxTimer implementation
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
-#ifdef __GNUG__
-#pragma implementation "timer.h"
-#endif
+#if wxUSE_TIMER
 
-#include "wx/timer.h"
+#include "wx/gtk/private/timer.h"
 
-#include "gtk/gtk.h"
+#include <gtk/gtk.h>
 
-//-----------------------------------------------------------------------------
-// wxTimer
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+// wxTimerImpl
+// ----------------------------------------------------------------------------
 
-IMPLEMENT_ABSTRACT_CLASS(wxTimer,wxObject)
+extern "C" {
 
-static gint timeout_callback( gpointer data )
+static gboolean timeout_callback(gpointer data)
 {
-    wxTimer *timer = (wxTimer*)data;
+    wxGTKTimerImpl *timer = (wxGTKTimerImpl*)data;
 
-    /* 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 */
+    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 */
+    // Release lock again.
     gdk_threads_leave();
 
-    if ( timer->IsOneShot() )
-        return FALSE;
-
-    return TRUE;
+    return keepGoing;
 }
 
-void wxTimer::Init()
-{
-    m_tag = -1;
-    m_milli = 1000;
-}
+} // extern "C"
 
-wxTimer::~wxTimer()
+bool wxGTKTimerImpl::Start(int millisecs, bool oneShot)
 {
-    wxTimer::Stop();
-}
+    if ( !wxTimerImpl::Start(millisecs, oneShot) )
+        return false;
 
-bool wxTimer::Start( int millisecs, bool oneShot )
-{
-    (void)wxTimerBase::Start(millisecs, oneShot);
+    wxASSERT_MSG( !m_sourceId, _T("shouldn't be still running") );
 
-    m_tag = gtk_timeout_add( m_milli, timeout_callback, this );
+    m_sourceId = g_timeout_add(m_milli, timeout_callback, this);
 
-    return TRUE;
+    return true;
 }
 
-void wxTimer::Stop()
+void wxGTKTimerImpl::Stop()
 {
-    if (m_tag != -1)
-    {
-        gtk_timeout_remove( m_tag );
-        m_tag = -1;
-    }
+    wxASSERT_MSG( m_sourceId, _T("should be running") );
+
+    g_source_remove(m_sourceId);
+    m_sourceId = 0;
 }
 
+#endif // wxUSE_TIMER
+