Move trace view files

[pulseview.git] / pv / views / trace / signal.cpp

diff --git a/pv/views/trace/signal.cpp b/pv/views/trace/signal.cpp
new file mode 100644 (file)
index 0000000..a55598c
--- /dev/null
+++ b/pv/views/trace/signal.cpp
@@ -0,0 +1,188 @@
+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * 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/>.
+ */
+
+#include <extdef.h>
+
+#include <cassert>
+#include <cmath>
+
+#include <QApplication>
+#include <QFormLayout>
+#include <QKeyEvent>
+#include <QLineEdit>
+#include <QMenu>
+
+#include <libsigrokcxx/libsigrokcxx.hpp>
+
+#include "pv/data/signalbase.hpp"
+
+#include "signal.hpp"
+#include "view.hpp"
+
+using std::shared_ptr;
+using std::make_shared;
+
+namespace pv {
+namespace views {
+namespace trace {
+
+const char *const ChannelNames[] = {
+       "CLK",
+       "DATA",
+       "IN",
+       "OUT",
+       "RST",
+       "TX",
+       "RX",
+       "EN",
+       "SCLK",
+       "MOSI",
+       "MISO",
+       "/SS",
+       "SDA",
+       "SCL"
+};
+
+Signal::Signal(pv::Session &session,
+       shared_ptr<data::SignalBase> channel) :
+       Trace(channel),
+       session_(session),
+       scale_handle_(make_shared<SignalScaleHandle>(*this)),
+       items_({scale_handle_}),
+       name_widget_(nullptr)
+{
+       assert(base_);
+
+       connect(base_.get(), SIGNAL(enabled_changed(bool)),
+               this, SLOT(on_enabled_changed(bool)));
+}
+
+void Signal::set_name(QString name)
+{
+       Trace::set_name(name);
+
+       if (name != name_widget_->currentText())
+               name_widget_->setEditText(name);
+}
+
+bool Signal::enabled() const
+{
+       return base_->enabled();
+}
+
+shared_ptr<data::SignalBase> Signal::base() const
+{
+       return base_;
+}
+
+void Signal::save_settings(QSettings &settings) const
+{
+       (void)settings;
+}
+
+void Signal::restore_settings(QSettings &settings)
+{
+       (void)settings;
+}
+
+const ViewItemOwner::item_list& Signal::child_items() const
+{
+       return items_;
+}
+
+void Signal::paint_back(QPainter &p, ViewItemPaintParams &pp)
+{
+       if (base_->enabled())
+               Trace::paint_back(p, pp);
+}
+
+void Signal::populate_popup_form(QWidget *parent, QFormLayout *form)
+{
+       name_widget_ = new QComboBox(parent);
+       name_widget_->setEditable(true);
+       name_widget_->setCompleter(nullptr);
+
+       for (unsigned int i = 0; i < countof(ChannelNames); i++)
+               name_widget_->insertItem(i, ChannelNames[i]);
+
+       const int index = name_widget_->findText(base_->name(), Qt::MatchExactly);
+
+       if (index == -1) {
+               name_widget_->insertItem(0, base_->name());
+               name_widget_->setCurrentIndex(0);
+       } else {
+               name_widget_->setCurrentIndex(index);
+       }
+
+       connect(name_widget_, SIGNAL(editTextChanged(const QString&)),
+               this, SLOT(on_nameedit_changed(const QString&)));
+
+       form->addRow(tr("Name"), name_widget_);
+
+       add_colour_option(parent, form);
+}
+
+QMenu* Signal::create_context_menu(QWidget *parent)
+{
+       QMenu *const menu = Trace::create_context_menu(parent);
+
+       menu->addSeparator();
+
+       QAction *const disable = new QAction(tr("Disable"), this);
+       disable->setShortcuts(QKeySequence::Delete);
+       connect(disable, SIGNAL(triggered()), this, SLOT(on_disable()));
+       menu->addAction(disable);
+
+       return menu;
+}
+
+void Signal::delete_pressed()
+{
+       on_disable();
+}
+
+void Signal::on_name_changed(const QString &text)
+{
+       // On startup, this event is fired when a session restores signal
+       // names. However, the name widget hasn't yet been created.
+       if (!name_widget_)
+               return;
+
+       if (text != name_widget_->currentText())
+               name_widget_->setEditText(text);
+
+       Trace::on_name_changed(text);
+}
+
+void Signal::on_disable()
+{
+       base_->set_enabled(false);
+}
+
+void Signal::on_enabled_changed(bool enabled)
+{
+       (void)enabled;
+
+       if (owner_)
+               owner_->extents_changed(true, true);
+}
+
+} // namespace trace
+} // namespace views
+} // namespace pv