Add TOTP support

src/gui/TotpDialog.h

@@ -0,0 +1,56 @@
+/*
+ *  Copyright (C) 2017 Weslly Honorato <weslly@protonmail.com>
+ *
+ *  This program 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 or (at your option)
+ *  version 3 of the License.
+ *
+ *  This program 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 program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef KEEPASSX_TOTPDIALOG_H
+#define KEEPASSX_TOTPDIALOG_H
+
+#include <QDialog>
+#include <QScopedPointer>
+#include "core/Entry.h"
+#include "core/Database.h"
+#include "gui/DatabaseWidget.h"
+
+namespace Ui {
+    class TotpDialog;
+}
+
+class TotpDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit TotpDialog(DatabaseWidget* parent = nullptr, Entry* entry = nullptr);
+    ~TotpDialog();
+
+private:
+    double uCounter;
+    quint8 m_step;
+    QScopedPointer<Ui::TotpDialog> m_ui;
+
+private Q_SLOTS:
+    void updateTotp();
+    void updateProgressBar();
+    void updateSeconds();
+    void copyToClipboard();
+    double resetCounter();
+
+protected:
+    Entry* m_entry;
+    DatabaseWidget* m_parent;
+};
+
+#endif // KEEPASSX_TOTPDIALOG_H