2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
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.
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.
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/>.
25 #include <QApplication>
26 #include <QFormLayout>
31 #include <libsigrokcxx/libsigrokcxx.hpp>
33 #include "pv/data/signalbase.hpp"
38 using std::shared_ptr;
39 using std::make_shared;
45 const char *const ChannelNames[] = {
62 Signal::Signal(pv::Session &session,
63 std::shared_ptr<data::SignalBase> channel) :
66 scale_handle_(make_shared<SignalScaleHandle>(*this)),
67 items_({scale_handle_}),
72 connect(base_.get(), SIGNAL(enabled_changed(bool)),
73 this, SLOT(on_enabled_changed(bool)));
76 void Signal::set_name(QString name)
78 Trace::set_name(name);
80 if (name != name_widget_->currentText())
81 name_widget_->setEditText(name);
84 bool Signal::enabled() const
86 return base_->enabled();
89 shared_ptr<data::SignalBase> Signal::base() const
94 void Signal::save_settings(QSettings &settings) const
99 void Signal::restore_settings(QSettings &settings)
104 const ViewItemOwner::item_list& Signal::child_items() const
109 void Signal::paint_back(QPainter &p, const ViewItemPaintParams &pp)
111 if (base_->enabled())
112 Trace::paint_back(p, pp);
115 void Signal::populate_popup_form(QWidget *parent, QFormLayout *form)
117 name_widget_ = new QComboBox(parent);
118 name_widget_->setEditable(true);
119 name_widget_->setCompleter(nullptr);
121 for (unsigned int i = 0; i < countof(ChannelNames); i++)
122 name_widget_->insertItem(i, ChannelNames[i]);
124 const int index = name_widget_->findText(base_->name(), Qt::MatchExactly);
127 name_widget_->insertItem(0, base_->name());
128 name_widget_->setCurrentIndex(0);
130 name_widget_->setCurrentIndex(index);
133 connect(name_widget_, SIGNAL(editTextChanged(const QString&)),
134 this, SLOT(on_nameedit_changed(const QString&)));
136 form->addRow(tr("Name"), name_widget_);
138 add_colour_option(parent, form);
141 QMenu* Signal::create_context_menu(QWidget *parent)
143 QMenu *const menu = Trace::create_context_menu(parent);
145 menu->addSeparator();
147 QAction *const disable = new QAction(tr("Disable"), this);
148 disable->setShortcuts(QKeySequence::Delete);
149 connect(disable, SIGNAL(triggered()), this, SLOT(on_disable()));
150 menu->addAction(disable);
155 void Signal::delete_pressed()
160 void Signal::on_name_changed(const QString &text)
162 // On startup, this event is fired when a session restores signal
163 // names. However, the name widget hasn't yet been created.
167 if (text != name_widget_->currentText())
168 name_widget_->setEditText(text);
170 Trace::on_name_changed(text);
173 void Signal::on_disable()
175 base_->set_enabled(false);
178 void Signal::on_enabled_changed(bool enabled)
183 owner_->extents_changed(true, true);
186 } // namespace TraceView