New classes for supporting the new splash screen on windows

git-svn-id: http://root.cern.ch/svn/root/trunk@7902 27541ba8-7e3a-0410-8455-c3a389f83636

win32/inc/TWin32SplashThread.h

+
+/*************************************************************************
+ * Copyright (C) 1995-2001, Rene Brun and Fons Rademakers.               *
+ * All rights reserved.                                                  *
+ *                                                                       *
+ * For the licensing terms see $ROOTSYS/LICENSE.                         *
+ * For the list of contributors see $ROOTSYS/README/CREDITS.             *
+ *************************************************************************/
+
+#ifndef ROOT_TWin32SplashThread
+#define ROOT_TWin32SplashThread
+
+#ifndef ROOT_Rtypes
+#include "Rtypes.h"
+#endif
+
+///////////////////////////////////////////////////////////////////////////////
+class TWin32SplashThread {
+public:
+   void     *fHandle;   // splash thread handle
+
+   TWin32SplashThread(Bool_t extended);
+   ~TWin32SplashThread();
+
+};
+
+R__EXTERN TWin32SplashThread *gSplash;
+
+#endif
\ No newline at end of file

win32/src/TWin32SplashThread.cxx

+
+/*************************************************************************
+ * Copyright (C) 1995-2001, Rene Brun and Fons Rademakers.               *
+ * All rights reserved.                                                  *
+ *                                                                       *
+ * For the licensing terms see $ROOTSYS/LICENSE.                         *
+ * For the list of contributors see $ROOTSYS/README/CREDITS.             *
+ *************************************************************************/
+
+#include "Windows4Root.h"
+#include "TWin32SplashThread.h"
+
+TWin32SplashThread *gSplash = 0;
+
+extern void CreateSplash(DWORD time, BOOL extended);
+
+//______________________________________________________________________________
+static DWORD WINAPI HandleSplashThread(LPVOID extended)
+{
+   // thread for handling Splash Screen
+
+   CreateSplash(7, (Bool_t)extended);
+   ::ExitThread(0);
+   if (gSplash) delete gSplash;
+   gSplash = 0;
+   return 0;
+}
+
+//______________________________________________________________________________
+TWin32SplashThread::TWin32SplashThread(Bool_t extended)
+{
+   //
+   fHandle = 0;
+   DWORD splashId = 0;
+   fHandle = ::CreateThread( NULL, 0,&HandleSplashThread, (LPVOID)extended, 0, &splashId );
+   gSplash = this;
+}
+
+//______________________________________________________________________________
+TWin32SplashThread::~TWin32SplashThread()
+{
+   // dtor
+
+   if (fHandle) ::CloseHandle(fHandle);
+   fHandle = 0;
+}
+