diff --git a/src/UniqueMessage.cpp b/src/UniqueMessage.cpp
new file mode 100644
--- /dev/null
+++ b/src/UniqueMessage.cpp
@@ -0,0 +1,89 @@
+/*
+ *
+ * This file is part of the Virtual Leaf.
+ *
+ * The Virtual Leaf 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * The Virtual Leaf 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 the Virtual Leaf. If not, see .
+ *
+ * Copyright 2010 Roeland Merks.
+ *
+ */
+
+#include
+#include
+#include
+#include
+#include
+#include "UniqueMessage.h"
+
+#include
+
+static const std::string _module_id("$Id$");
+
+using namespace std;
+UniqueMessageBox::UniqueMessageBox ( /* Icon icon,*/
+ const QString & title,
+ const QString & text,
+ QWidget * parent ,
+ Qt::WindowFlags f ) :
+QDialog(parent, f) {
+
+ label = new QLabel(text);
+ boxtext = text;
+
+ show_again = new QCheckBox(tr("Do not show this message again"));
+ //addButton(show_again, QMessageBox::ActionRole);
+ //addButton(QMessageBox::Ok);
+ okButton = new QPushButton(tr("Ok"));
+
+ if (issued_messages.contains(boxtext) ) {
+
+ cerr << "Saw message before\n";
+ display = false;
+ } else {
+ //cerr << "First time message\n";
+ //issued_messages << text;
+ display=true;
+ }
+
+ connect(okButton, SIGNAL(clicked()), this, SLOT(close()) );
+ QHBoxLayout *hlayout = new QHBoxLayout;
+ hlayout->addWidget(label);
+ hlayout->addWidget(okButton);
+ QVBoxLayout *layout = new QVBoxLayout;
+ layout->addLayout(hlayout);
+ layout->addWidget(show_again);
+ setLayout(layout);
+ setWindowTitle(title);
+};
+
+UniqueMessageBox::~UniqueMessageBox(void) {
+
+ if (show_again->checkState() == Qt::Checked ) {
+ cerr << "Message won't be shown again\n";
+ issued_messages << boxtext;
+
+ }
+}
+int UniqueMessageBox::exec(void) {
+
+ if (display)
+ return QDialog::exec();
+ else {
+ return 1;
+ }
+
+}
+
+QStringList UniqueMessageBox::issued_messages;
+