Add TrueCrypt 7.1a MacOSX/Linux specific source files.

src/Main/UserInterfaceException.h

@@ -0,0 +1,36 @@
+/*
+ Copyright (c) 2008 TrueCrypt Developers Association. All rights reserved.
+
+ Governed by the TrueCrypt License 3.0 the full text of which is contained in
+ the file License.txt included in TrueCrypt binary and source code distribution
+ packages.
+*/
+
+#ifndef TC_HEADER_Main_UserInterfaceException
+#define TC_HEADER_Main_UserInterfaceException
+
+#include "Platform/Platform.h"
+
+namespace TrueCrypt
+{
+	TC_EXCEPTION_DECL (UserInterfaceException, Exception);
+	TC_EXCEPTION_DECL (MissingArgument, UserInterfaceException);
+	TC_EXCEPTION_DECL (NoItemSelected, UserInterfaceException);
+	TC_EXCEPTION_DECL (StringFormatterException, UserInterfaceException);
+
+	struct ErrorMessage : public UserInterfaceException
+	{
+		ErrorMessage (const string &exceptionMessage, const wxString &errorMessage) : UserInterfaceException (exceptionMessage), Text (errorMessage) { }
+		virtual ~ErrorMessage () throw () { }
+
+		operator wstring () const { return wstring (Text); }
+		operator wxString () const { return Text; }
+
+	protected:
+		wxString Text;
+	};
+
+#define throw_err(message) throw ErrorMessage (SRC_POS, (message))
+}
+
+#endif // TC_HEADER_Main_UserInterfaceException