[ui] Move InitError, InitWarning, AmountErrMsg

src/ui_interface.cpp

@@ -0,0 +1,24 @@
+// Copyright (c) 2010-2016 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "ui_interface.h"
+#include "util.h"
+
+CClientUIInterface uiInterface;
+
+bool InitError(const std::string& str)
+{
+    uiInterface.ThreadSafeMessageBox(str, "", CClientUIInterface::MSG_ERROR);
+    return false;
+}
+
+void InitWarning(const std::string& str)
+{
+    uiInterface.ThreadSafeMessageBox(str, "", CClientUIInterface::MSG_WARNING);
+}
+
+std::string AmountErrMsg(const char* const optname, const std::string& strValue)
+{
+    return strprintf(_("Invalid amount for -%s=<amount>: '%s'"), optname, strValue);
+}