no real changes; just reformatting

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

diff --git a/src/gtk/timer.cpp b/src/gtk/timer.cpp
index f8531ba81c3ffe82d0142ec5c83ef1a20080cd9b..f5330bc0123166c9d03163f7878c20a760991c87 100644 (file)
--- a/src/gtk/timer.cpp
+++ b/src/gtk/timer.cpp
@@ -26,21 +26,29 @@
 
 IMPLEMENT_ABSTRACT_CLASS(wxTimer, wxObject)
 
-static gint timeout_callback( gpointer data )
+extern "C" gint timeout_callback( gpointer data )
 {
     wxTimer *timer = (wxTimer*)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 */
+    // Don't change the order of anything in this callback!
+    
+    if (timer->IsOneShot())
+    {
+        // This sets m_tag to -1
+        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() )
+    if (timer->IsOneShot())
         return FALSE;
 
     return TRUE;
@@ -61,6 +69,9 @@ bool wxTimer::Start( int millisecs, bool oneShot )
 {
     (void)wxTimerBase::Start(millisecs, oneShot);
 
+    if (m_tag != -1)
+        gtk_timeout_remove( m_tag );
+
     m_tag = gtk_timeout_add( m_milli, timeout_callback, this );
 
     return TRUE;