pv/views/decoder_output/view.cpp

   1 /*
   2  * This file is part of the PulseView project.
   3  *
   4  * Copyright (C) 2019 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 #include <libsigrokdecode/libsigrokdecode.h>
  21
  22 #include <QLabel>
  23 #include <QMenu>
  24 #include <QToolBar>
  25 #include <QVBoxLayout>
  26
  27 #include "view.hpp"
  28 #include "QHexView.hpp"
  29
  30 #include "pv/session.hpp"
  31 #include "pv/util.hpp"
  32
  33 using pv::data::SignalBase;
  34 using pv::util::TimeUnit;
  35 using pv::util::Timestamp;
  36
  37 using std::shared_ptr;
  38
  39 namespace pv {
  40 namespace views {
  41 namespace decoder_output {
  42
  43 View::View(Session &session, bool is_main_view, QMainWindow *parent) :
  44         ViewBase(session, is_main_view, parent),
  45
  46         // Note: Place defaults in View::reset_view_state(), not here
  47         signal_selector_(new QComboBox()),
  48         format_selector_(new QComboBox()),
  49         stacked_widget_(new QStackedWidget()),
  50         hex_view_(new QHexView())
  51 {
  52         QVBoxLayout *root_layout = new QVBoxLayout(this);
  53         root_layout->setContentsMargins(0, 0, 0, 0);
  54
  55         // Create toolbar
  56         QToolBar* toolbar = new QToolBar();
  57         toolbar->setContextMenuPolicy(Qt::PreventContextMenu);
  58         parent->addToolBar(toolbar);
  59
  60         // Populate toolbar
  61         toolbar->addWidget(new QLabel(tr("Decoder:")));
  62         toolbar->addWidget(signal_selector_);
  63         toolbar->addSeparator();
  64         toolbar->addWidget(new QLabel(tr("Show data as")));
  65         toolbar->addWidget(format_selector_);
  66
  67         // Add format types
  68         format_selector_->addItem(tr("Hexdump"), qVariantFromValue(QString("text/hexdump")));
  69
  70         // Add widget stack
  71         root_layout->addWidget(stacked_widget_);
  72         stacked_widget_->addWidget(hex_view_);
  73
  74         reset_view_state();
  75 }
  76
  77 View::~View()
  78 {
  79 }
  80
  81 ViewType View::get_type() const
  82 {
  83         return ViewTypeDecoderOutput;
  84 }
  85
  86 void View::reset_view_state()
  87 {
  88         ViewBase::reset_view_state();
  89 }
  90
  91 void View::clear_signals()
  92 {
  93         ViewBase::clear_signalbases();
  94 }
  95
  96 void View::clear_decode_signals()
  97 {
  98         signal_selector_->clear();
  99         format_selector_->setCurrentIndex(0);
 100 }
 101
 102 void View::add_decode_signal(shared_ptr<data::DecodeSignal> signal)
 103 {
 104         connect(signal.get(), SIGNAL(name_changed(const QString&)),
 105                 this, SLOT(on_signal_name_changed(const QString&)));
 106
 107         signal_selector_->addItem(signal->name(), QVariant::fromValue(signal.get()));
 108 }
 109
 110 void View::remove_decode_signal(shared_ptr<data::DecodeSignal> signal)
 111 {
 112         int index = signal_selector_->findData(QVariant::fromValue(signal.get()));
 113
 114         if (index != -1)
 115                 signal_selector_->removeItem(index);
 116 }
 117
 118 void View::save_settings(QSettings &settings) const
 119 {
 120         (void)settings;
 121 }
 122
 123 void View::restore_settings(QSettings &settings)
 124 {
 125         // Note: It is assumed that this function is only called once,
 126         // immediately after restoring a previous session.
 127         (void)settings;
 128 }
 129
 130 void View::on_signal_name_changed(const QString &name)
 131 {
 132         SignalBase *sb = qobject_cast<SignalBase*>(QObject::sender());
 133         assert(sb);
 134
 135         int index = signal_selector_->findData(QVariant::fromValue(sb));
 136         if (index != -1)
 137                 signal_selector_->setItemText(index, name);
 138 }
 139
 140 } // namespace decoder_output
 141 } // namespace views
 142 } // namespace pv