add BearPi STemWin test demo

components/gui/STemWin/inc/MESSAGEBOX.h

@@ -0,0 +1,82 @@
+/*********************************************************************
+*          Portions COPYRIGHT 2016 STMicroelectronics                *
+*          Portions SEGGER Microcontroller GmbH & Co. KG             *
+*        Solutions for real time microcontroller applications        *
+**********************************************************************
+*                                                                    *
+*        (c) 1996 - 2015  SEGGER Microcontroller GmbH & Co. KG       *
+*                                                                    *
+*        Internet: www.segger.com    Support:  support@segger.com    *
+*                                                                    *
+**********************************************************************
+
+** emWin V5.32 - Graphical user interface for embedded applications **
+All  Intellectual Property rights  in the Software belongs to  SEGGER.
+emWin is protected by  international copyright laws.  Knowledge of the
+source code may not be used to write a similar product.  This file may
+only be used in accordance with the following terms:
+
+The  software has  been licensed  to STMicroelectronics International
+N.V. a Dutch company with a Swiss branch and its headquarters in Plan-
+les-Ouates, Geneva, 39 Chemin du Champ des Filles, Switzerland for the
+purposes of creating libraries for ARM Cortex-M-based 32-bit microcon_
+troller products commercialized by Licensee only, sublicensed and dis_
+tributed under the terms and conditions of the End User License Agree_
+ment supplied by STMicroelectronics International N.V.
+Full source code is available at: www.segger.com
+
+We appreciate your understanding and fairness.
+----------------------------------------------------------------------
+File        : MESSAGEBOX.h
+Purpose     : Message box interface
+--------------------END-OF-HEADER-------------------------------------
+*/
+
+/**
+  ******************************************************************************
+  * @attention
+  *
+  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+  * You may not use this file except in compliance with the License.
+  * You may obtain a copy of the License at:
+  *
+  *        http://www.st.com/software_license_agreement_liberty_v2
+  *
+  * Unless required by applicable law or agreed to in writing, software 
+  * distributed under the License is distributed on an "AS IS" BASIS, 
+  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  * See the License for the specific language governing permissions and
+  * limitations under the License.
+  *
+  ******************************************************************************
+  */
+  
+#ifndef MESSAGEBOX_H
+#define MESSAGEBOX_H
+
+#include "WM.h"
+
+#if GUI_WINSUPPORT
+
+#if defined(__cplusplus)
+extern "C" {     /* Make sure we have C-declarations in C++ programs */
+#endif
+
+WM_HWIN MESSAGEBOX_Create(const char * sMessage, const char * sCaption, int Flags);
+
+/*********************************************************************
+*
+*       The callback ...
+*
+* Do not call it directly ! It is only to be used from within an
+* overwritten callback.
+*/
+void MESSAGEBOX_Callback(WM_MESSAGE * pMsg);
+
+#if defined(__cplusplus)
+  }
+#endif
+
+#endif /* GUI_WINSUPPORT */
+
+#endif /* MESSAGEBOX */