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win/rfb_win32/MsgBox.h

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+/* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
+ * 
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+#ifndef __RFB_WIN32_MSGBOX_H__
+#define __RFB_WIN32_MSGBOX_H__
+
+#include <windows.h>
+#include <rfb_win32/TCharArray.h>
+
+namespace rfb {
+  namespace win32 {
+
+    // Define rfb::win32::AppName somewhere in the application.
+    // The MsgBox function will use the specified application name
+    // as the prefix for the message box title.
+    // Message box titles are based on the (standard Win32) flags
+    // passed to the MsgBox helper function.
+
+    extern TStr AppName;
+
+    // Wrapper around Win32 MessageBox()
+    static int MsgBox(HWND parent, const TCHAR* msg, UINT flags) {
+      const TCHAR* msgType = 0;
+      UINT tflags = flags & 0x70;
+      if (tflags == MB_ICONHAND)
+        msgType = _T("Error");
+      else if (tflags == MB_ICONQUESTION)
+        msgType = _T("Question");
+      else if (tflags == MB_ICONEXCLAMATION)
+        msgType = _T("Warning");
+      else if (tflags == MB_ICONASTERISK)
+        msgType = _T("Information");
+      flags |= MB_TOPMOST | MB_SETFOREGROUND;
+      int len = _tcslen(AppName.buf) + 1;
+      if (msgType) len += _tcslen(msgType) + 3;
+      TCharArray title(new TCHAR[len]);
+      _tcscpy(title.buf, AppName.buf);
+      if (msgType) {
+        _tcscat(title.buf, _T(" : "));
+        _tcscat(title.buf, msgType);
+      }
+      return MessageBox(parent, msg, title.buf, flags);
+    }
+
+  };
+};
+
+#endif