pv/views/trace/mathsignal.hpp

   1 /*
   2  * This file is part of the PulseView project.
   3  *
   4  * Copyright (C) 2020 Soeren Apel <soeren@apelpie.net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef PULSEVIEW_PV_VIEWS_TRACE_MATHSIGNAL_HPP
  21 #define PULSEVIEW_PV_VIEWS_TRACE_MATHSIGNAL_HPP
  22
  23 #include <QComboBox>
  24 #include <QDialog>
  25 #include <QString>
  26 #include <QTimer>
  27
  28 #include <pv/data/mathsignal.hpp>
  29 #include <pv/views/trace/analogsignal.hpp>
  30
  31 using std::shared_ptr;
  32
  33 namespace pv {
  34 namespace views {
  35 namespace trace {
  36
  37 class MathEditDialog : public QDialog
  38 {
  39         Q_OBJECT
  40
  41 public:
  42         MathEditDialog(pv::Session &session, shared_ptr<pv::data::MathSignal> math_signal,
  43                 QWidget *parent = nullptr);
  44
  45 private Q_SLOTS:
  46         void accept();
  47         void reject();
  48
  49 private:
  50         pv::Session &session_;
  51         shared_ptr<pv::data::MathSignal> math_signal_;
  52         QString expression_, old_expression_;
  53 };
  54
  55
  56 class MathSignal : public AnalogSignal
  57 {
  58         Q_OBJECT
  59
  60 public:
  61         MathSignal(pv::Session &session, shared_ptr<data::SignalBase> base);
  62
  63 protected:
  64         void populate_popup_form(QWidget *parent, QFormLayout *form);
  65
  66         shared_ptr<pv::data::MathSignal> math_signal_;
  67
  68 private Q_SLOTS:
  69         void on_expression_changed(const QString &text);
  70         void on_sample_count_changed(const QString &text);
  71
  72         void on_edit_clicked();
  73
  74 private:
  75         QLineEdit *expression_edit_;
  76         QComboBox *sample_count_cb_, *sample_rate_cb_;
  77         QString sample_count_text_, sample_rate_text_;
  78         QTimer delayed_expr_updater_, delayed_count_updater_, delayed_rate_updater_;
  79 };
  80
  81 } // namespace trace
  82 } // namespace views
  83 } // namespace pv
  84
  85 #endif // PULSEVIEW_PV_VIEWS_TRACE_MATHSIGNAL_HPP