Implement MathSignal

[pulseview.git] / pv / views / trace / mathsignal.hpp

diff --git a/pv/views/trace/mathsignal.hpp b/pv/views/trace/mathsignal.hpp
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+++ b/pv/views/trace/mathsignal.hpp
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+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2020 Soeren Apel <soeren@apelpie.net>
+ *
+ * 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 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 PULSEVIEW_PV_VIEWS_TRACE_MATHSIGNAL_HPP
+#define PULSEVIEW_PV_VIEWS_TRACE_MATHSIGNAL_HPP
+
+#include <QComboBox>
+#include <QString>
+#include <QTimer>
+
+#include <pv/data/mathsignal.hpp>
+#include <pv/views/trace/analogsignal.hpp>
+
+using std::shared_ptr;
+
+namespace pv {
+namespace views {
+namespace trace {
+
+class MathSignal : public AnalogSignal
+{
+       Q_OBJECT
+
+public:
+       MathSignal(pv::Session &session, shared_ptr<data::SignalBase> base);
+
+protected:
+       void populate_popup_form(QWidget *parent, QFormLayout *form);
+
+       shared_ptr<pv::data::MathSignal> math_signal_;
+
+private Q_SLOTS:
+       void on_expression_changed(const QString &text);
+       void on_sample_count_changed(const QString &text);
+
+private:
+       QLineEdit *expression_edit_;
+       QComboBox *sample_count_cb_, *sample_rate_cb_;
+       QString sample_count_text_, sample_rate_text_;
+       QTimer delayed_expr_updater_, delayed_count_updater_, delayed_rate_updater_;
+};
+
+} // namespace trace
+} // namespace views
+} // namespace pv
+
+#endif // PULSEVIEW_PV_VIEWS_TRACE_MATHSIGNAL_HPP