RowItem: Combined appearance change signals into appearance_changed()

[pulseview.git] / pv / view / signal.cpp

/*
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#include <extdef.h>

#include <assert.h>
#include <math.h>

#include <QApplication>
#include <QFormLayout>
#include <QKeyEvent>
#include <QLineEdit>
#include <QMenu>

#include <libsigrok/libsigrok.hpp>

#include "signal.h"
#include "view.h"

using std::shared_ptr;

using sigrok::Channel;

namespace pv {
namespace view {

const char *const ChannelNames[] = {
	"CLK",
	"DATA",
	"IN",
	"OUT",
	"RST",
	"Tx",
	"Rx",
	"EN",
	"SCLK",
	"MOSI",
	"MISO",
	"/SS",
	"SDA",
	"SCL"
};

Signal::Signal(pv::SigSession &session,
	std::shared_ptr<sigrok::Channel> channel) :
	Trace(channel->name().c_str()),
	_session(session),
	_channel(channel),
	_name_widget(NULL),
	_updating_name_widget(false)
{
	assert(_channel);
}

void Signal::set_name(QString name)
{
	Trace::set_name(name);
	_updating_name_widget = true;
	_name_widget->setEditText(name);
	_updating_name_widget = false;
}

bool Signal::enabled() const
{
	return _channel->enabled();
}

void Signal::enable(bool enable)
{
	_channel->set_enabled(enable);
	appearance_changed();
}

shared_ptr<Channel> Signal::channel() const
{
	return _channel;
}

void Signal::populate_popup_form(QWidget *parent, QFormLayout *form)
{
	int index;

	_name_widget = new QComboBox(parent);
	_name_widget->setEditable(true);

	for(unsigned int i = 0; i < countof(ChannelNames); i++)
		_name_widget->insertItem(i, ChannelNames[i]);

	index = _name_widget->findText(_name, Qt::MatchExactly);

	if (index == -1) {
		_name_widget->insertItem(0, _name);
		_name_widget->setCurrentIndex(0);
	} else {
		_name_widget->setCurrentIndex(index);
	}

	connect(_name_widget, SIGNAL(editTextChanged(const QString&)),
		this, SLOT(on_text_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_disable()
{
	enable(false);
}

} // namespace view
} // namespace pv