* wxThread: new functions: wxThread::Pause/Resume, wxThread::GetThreadFromID

* Updates and new objects in utils/serialize
* wxLayout*_Serialize are friends of wxLayout* (so I can access to the
internal fields)
* wxMenu (GTK):  SetTitle/GetTitle (basic implementation)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@592 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk1/threadsgi.cpp

@@ -141,10 +141,22 @@ wxThreadError wxThread::Create()
   return THREAD_NO_ERROR;
 }
 
-void wxThread::Destroy()
+wxThreadError wxThread::Destroy()
 {
   if (p_internal->state == STATE_RUNNING)
     p_internal->state = STATE_CANCELED;
+
+  return THREAD_NO_ERROR;
+}
+
+wxThreadError wxThread::Pause()
+{
+  return THREAD_NO_ERROR;
+}
+
+wxThreadError wxThread::Resume()
+{
+  return THREAD_NO_ERROR;
 }
 
 void *wxThread::Join()
@@ -188,11 +200,21 @@ int wxThread::GetPriority() const
     return 0;
 }
 
-bool wxThreadIsMain()
+bool wxThread::IsMain()
 {
   return (int)getpid() == main_id;
 }
 
+bool wxThread::IsAlive() const
+{
+  return (p_internal->state == STATE_RUNNING);
+}
+
+bool wxThread::IsRunning() const
+{
+  return (p_internal->state == STATE_RUNNING);
+}
+
 wxThread::wxThread()
 {
   p_internal = new wxThreadPrivate();