[pulseview.git] / pv / toolbars / mainbar.cpp

/*
 * This file is part of the PulseView project.
 *
 * Copyright (C) 2012-2015 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 <algorithm>
#include <cassert>

#include <QAction>
#include <QDebug>
#include <QHelpEvent>
#include <QMenu>
#include <QToolTip>

#include "mainbar.hpp"

#include <pv/devicemanager.hpp>
#include <pv/devices/hardwaredevice.hpp>
#include <pv/mainwindow.hpp>
#include <pv/popups/deviceoptions.hpp>
#include <pv/popups/channels.hpp>
#include <pv/util.hpp>
#include <pv/widgets/exportmenu.hpp>
#include <pv/widgets/importmenu.hpp>

#include <libsigrokcxx/libsigrokcxx.hpp>

using std::back_inserter;
using std::copy;
using std::list;
using std::map;
using std::max;
using std::min;
using std::shared_ptr;
using std::string;
using std::vector;

using sigrok::Capability;
using sigrok::ConfigKey;
using sigrok::Error;
using sigrok::InputFormat;

namespace pv {
namespace toolbars {

const uint64_t MainBar::MinSampleCount = 100ULL;
const uint64_t MainBar::MaxSampleCount = 1000000000000ULL;
const uint64_t MainBar::DefaultSampleCount = 1000000;

MainBar::MainBar(Session &session, MainWindow &main_window) :
	QToolBar("Sampling Bar", &main_window),
	session_(session),
	main_window_(main_window),
	device_selector_(this, session.device_manager(),
		main_window.action_connect()),
	configure_button_(this),
	configure_button_action_(NULL),
	channels_button_(this),
	sample_count_(" samples", this),
	sample_rate_("Hz", this),
	updating_sample_rate_(false),
	updating_sample_count_(false),
	sample_count_supported_(false),
	icon_red_(":/icons/status-red.svg"),
	icon_green_(":/icons/status-green.svg"),
	icon_grey_(":/icons/status-grey.svg"),
	run_stop_button_(this),
	menu_button_(this)
{
	setObjectName(QString::fromUtf8("MainBar"));

	setMovable(false);
	setFloatable(false);
	setContextMenuPolicy(Qt::PreventContextMenu);

	// Open button
	QToolButton *const open_button = new QToolButton(this);

	widgets::ImportMenu *import_menu = new widgets::ImportMenu(this,
		session.device_manager().context(),
		main_window.action_open());
	connect(import_menu,
		SIGNAL(format_selected(std::shared_ptr<sigrok::InputFormat>)),
		&main_window_,
		SLOT(import_file(std::shared_ptr<sigrok::InputFormat>)));

	open_button->setMenu(import_menu);
	open_button->setDefaultAction(main_window.action_open());
	open_button->setPopupMode(QToolButton::MenuButtonPopup);

	// Save button
	QToolButton *const save_button = new QToolButton(this);

	widgets::ExportMenu *export_menu = new widgets::ExportMenu(this,
		session.device_manager().context(),
		main_window.action_save_as());
	connect(export_menu,
		SIGNAL(format_selected(std::shared_ptr<sigrok::OutputFormat>)),
		&main_window_,
		SLOT(export_file(std::shared_ptr<sigrok::OutputFormat>)));

	save_button->setMenu(export_menu);
	save_button->setDefaultAction(main_window.action_save_as());
	save_button->setPopupMode(QToolButton::MenuButtonPopup);

	// Device selector menu
	connect(&device_selector_, SIGNAL(device_selected()),
		this, SLOT(on_device_selected()));

	// Setup the decoder button
#ifdef ENABLE_DECODE
	QToolButton *add_decoder_button = new QToolButton(this);
	add_decoder_button->setIcon(QIcon::fromTheme("add-decoder",
		QIcon(":/icons/add-decoder.svg")));
	add_decoder_button->setPopupMode(QToolButton::InstantPopup);
	add_decoder_button->setMenu(main_window_.menu_decoder_add());
#endif

	// Setup the menu
	QMenu *const menu = new QMenu(this);

	QMenu *const menu_help = new QMenu;
	menu_help->setTitle(tr("&Help"));
	menu_help->addAction(main_window.action_about());

	menu->addAction(menu_help->menuAction());
	menu->addSeparator();
	menu->addAction(main_window.action_quit());

	menu_button_.setMenu(menu);
	menu_button_.setPopupMode(QToolButton::InstantPopup);
	menu_button_.setIcon(QIcon::fromTheme("menu",
		QIcon(":/icons/menu.svg")));

	// Setup the toolbar
	addWidget(open_button);
	addWidget(save_button);
	addSeparator();
	addAction(main_window.action_view_zoom_in());
	addAction(main_window.action_view_zoom_out());
	addAction(main_window.action_view_zoom_fit());
	addAction(main_window.action_view_zoom_one_to_one());
	addSeparator();
	addAction(main_window.action_view_show_cursors());
	addSeparator();

	connect(&run_stop_button_, SIGNAL(clicked()),
		this, SLOT(on_run_stop()));
	connect(&sample_count_, SIGNAL(value_changed()),
		this, SLOT(on_sample_count_changed()));
	connect(&sample_rate_, SIGNAL(value_changed()),
		this, SLOT(on_sample_rate_changed()));

	sample_count_.show_min_max_step(0, UINT64_MAX, 1);

	set_capture_state(pv::Session::Stopped);

	configure_button_.setIcon(QIcon::fromTheme("configure",
		QIcon(":/icons/configure.png")));

	channels_button_.setIcon(QIcon::fromTheme("channels",
		QIcon(":/icons/channels.svg")));

	run_stop_button_.setToolButtonStyle(Qt::ToolButtonTextBesideIcon);

	addWidget(&device_selector_);
	configure_button_action_ = addWidget(&configure_button_);
	addWidget(&channels_button_);
	addWidget(&sample_count_);
	addWidget(&sample_rate_);
	addWidget(&run_stop_button_);
#ifdef ENABLE_DECODE
	addSeparator();
	addWidget(add_decoder_button);
#endif

	QWidget *const spacer = new QWidget();
	spacer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
	addWidget(spacer);

	addWidget(&menu_button_);

	sample_count_.installEventFilter(this);
	sample_rate_.installEventFilter(this);
}

void MainBar::update_device_list()
{
	DeviceManager &mgr = session_.device_manager();
	shared_ptr<devices::Device> selected_device = session_.device();
	list< shared_ptr<devices::Device> > devs;

	copy(mgr.devices().begin(), mgr.devices().end(), back_inserter(devs));

	if (std::find(devs.begin(), devs.end(), selected_device) == devs.end())
		devs.push_back(selected_device);
	assert(selected_device);

	device_selector_.set_device_list(devs, selected_device);
	update_device_config_widgets();
}


void MainBar::set_capture_state(pv::Session::capture_state state)
{
	const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_};
	run_stop_button_.setIcon(*icons[state]);
	run_stop_button_.setText((state == pv::Session::Stopped) ?
		tr("Run") : tr("Stop"));
	run_stop_button_.setShortcut(QKeySequence(Qt::Key_Space));
}

void MainBar::update_sample_rate_selector()
{
	Glib::VariantContainerBase gvar_dict;
	GVariant *gvar_list;
	const uint64_t *elements = NULL;
	gsize num_elements;
	map< const ConfigKey*, std::set<Capability> > keys;

	if (updating_sample_rate_)
		return;

	const shared_ptr<devices::Device> device =
		device_selector_.selected_device();
	if (!device)
		return;

	assert(!updating_sample_rate_);
	updating_sample_rate_ = true;

	const shared_ptr<sigrok::Device> sr_dev = device->device();

	try {
		keys = sr_dev->config_keys(ConfigKey::DEVICE_OPTIONS);
	} catch (Error) {}

	const auto iter = keys.find(ConfigKey::SAMPLERATE);
	if (iter != keys.end() &&
		(*iter).second.find(sigrok::LIST) != (*iter).second.end()) {
		try {
			gvar_dict = sr_dev->config_list(ConfigKey::SAMPLERATE);
		} catch(const sigrok::Error &e) {
			// Failed to enunmerate samplerate
			(void)e;
		}
	}

	if (!gvar_dict.gobj()) {
		sample_rate_.show_none();
		updating_sample_rate_ = false;
		return;
	}

	if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
			"samplerate-steps", G_VARIANT_TYPE("at"))))
	{
		elements = (const uint64_t *)g_variant_get_fixed_array(
				gvar_list, &num_elements, sizeof(uint64_t));

		const uint64_t min = elements[0];
		const uint64_t max = elements[1];
		const uint64_t step = elements[2];

		g_variant_unref(gvar_list);

		assert(min > 0);
		assert(max > 0);
		assert(max > min);
		assert(step > 0);

		if (step == 1)
			sample_rate_.show_125_list(min, max);
		else
		{
			// When the step is not 1, we cam't make a 1-2-5-10
			// list of sample rates, because we may not be able to
			// make round numbers. Therefore in this case, show a
			// spin box.
			sample_rate_.show_min_max_step(min, max, step);
		}
	}
	else if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
			"samplerates", G_VARIANT_TYPE("at"))))
	{
		elements = (const uint64_t *)g_variant_get_fixed_array(
				gvar_list, &num_elements, sizeof(uint64_t));
		sample_rate_.show_list(elements, num_elements);
		g_variant_unref(gvar_list);
	}
	updating_sample_rate_ = false;

	update_sample_rate_selector_value();
}

void MainBar::update_sample_rate_selector_value()
{
	if (updating_sample_rate_)
		return;

	const shared_ptr<devices::Device> device =
		device_selector_.selected_device();
	if (!device)
		return;

	try {
		auto gvar = device->device()->config_get(ConfigKey::SAMPLERATE);
		uint64_t samplerate =
			Glib::VariantBase::cast_dynamic<Glib::Variant<guint64>>(gvar).get();
		assert(!updating_sample_rate_);
		updating_sample_rate_ = true;
		sample_rate_.set_value(samplerate);
		updating_sample_rate_ = false;
	} catch (Error error) {
		qDebug() << "WARNING: Failed to get value of sample rate";
		return;
	}
}

void MainBar::update_sample_count_selector()
{
	if (updating_sample_count_)
		return;

	const shared_ptr<devices::Device> device =
		device_selector_.selected_device();
	if (!device)
		return;

	const shared_ptr<sigrok::Device> sr_dev = device->device();

	assert(!updating_sample_count_);
	updating_sample_count_ = true;

	if (!sample_count_supported_)
	{
		sample_count_.show_none();
		updating_sample_count_ = false;
		return;
	}

	uint64_t sample_count = sample_count_.value();
	uint64_t min_sample_count = 0;
	uint64_t max_sample_count = MaxSampleCount;

	if (sample_count == 0)
		sample_count = DefaultSampleCount;

	const auto keys = sr_dev->config_keys(ConfigKey::DEVICE_OPTIONS);
	const auto iter = keys.find(ConfigKey::LIMIT_SAMPLES);
	if (iter != keys.end() &&
		(*iter).second.find(sigrok::LIST) != (*iter).second.end()) {
		try {
			auto gvar =
				sr_dev->config_list(ConfigKey::LIMIT_SAMPLES);
			if (gvar.gobj())
				g_variant_get(gvar.gobj(), "(tt)",
					&min_sample_count, &max_sample_count);
		} catch(const sigrok::Error &e) {
			// Failed to query sample limit
			(void)e;
		}
	}

	min_sample_count = min(max(min_sample_count, MinSampleCount),
		max_sample_count);

	sample_count_.show_125_list(
		min_sample_count, max_sample_count);

	try {
		auto gvar = sr_dev->config_get(ConfigKey::LIMIT_SAMPLES);
		sample_count = g_variant_get_uint64(gvar.gobj());
		if (sample_count == 0)
			sample_count = DefaultSampleCount;
		sample_count = min(max(sample_count, MinSampleCount),
			max_sample_count);
	} catch (Error error) {}

	sample_count_.set_value(sample_count);

	updating_sample_count_ = false;
}

void MainBar::update_device_config_widgets()
{
	using namespace pv::popups;

	const shared_ptr<devices::Device> device =
		device_selector_.selected_device();
	if (!device)
		return;

	const shared_ptr<sigrok::Device> sr_dev = device->device();
	if (!sr_dev)
		return;

	// Update the configure popup
	DeviceOptions *const opts = new DeviceOptions(sr_dev, this);
	configure_button_action_->setVisible(
		!opts->binding().properties().empty());
	configure_button_.set_popup(opts);

	// Update the channels popup
	Channels *const channels = new Channels(session_, this);
	channels_button_.set_popup(channels);

	// Update supported options.
	sample_count_supported_ = false;

	try {
		for (auto entry : sr_dev->config_keys(ConfigKey::DEVICE_OPTIONS))
		{
			auto key = entry.first;
			auto capabilities = entry.second;
			switch (key->id()) {
			case SR_CONF_LIMIT_SAMPLES:
				if (capabilities.count(Capability::SET))
					sample_count_supported_ = true;
				break;
			case SR_CONF_LIMIT_FRAMES:
				if (capabilities.count(Capability::SET))
				{
					sr_dev->config_set(ConfigKey::LIMIT_FRAMES,
						Glib::Variant<guint64>::create(1));
					on_config_changed();
				}
				break;
			default:
				break;
			}
		}
	} catch (Error error) {}

	// Add notification of reconfigure events
	disconnect(this, SLOT(on_config_changed()));
	connect(&opts->binding(), SIGNAL(config_changed()),
		this, SLOT(on_config_changed()));

	// Update sweep timing widgets.
	update_sample_count_selector();
	update_sample_rate_selector();
}

void MainBar::commit_sample_count()
{
	uint64_t sample_count = 0;

	if (updating_sample_count_)
		return;

	const shared_ptr<devices::Device> device =
		device_selector_.selected_device();
	if (!device)
		return;

	const shared_ptr<sigrok::Device> sr_dev = device->device();

	sample_count = sample_count_.value();

	// Set the sample count
	assert(!updating_sample_count_);
	updating_sample_count_ = true;
	if (sample_count_supported_)
	{
		try {
			sr_dev->config_set(ConfigKey::LIMIT_SAMPLES,
				Glib::Variant<guint64>::create(sample_count));
			on_config_changed();
		} catch (Error error) {
			qDebug() << "Failed to configure sample count.";
			return;
		}
	}
	updating_sample_count_ = false;
}

void MainBar::commit_sample_rate()
{
	uint64_t sample_rate = 0;

	if (updating_sample_rate_)
		return;

	const shared_ptr<devices::Device> device =
		device_selector_.selected_device();
	if (!device)
		return;

	const shared_ptr<sigrok::Device> sr_dev = device->device();

	sample_rate = sample_rate_.value();
	if (sample_rate == 0)
		return;

	// Set the samplerate
	assert(!updating_sample_rate_);
	updating_sample_rate_ = true;
	try {
		sr_dev->config_set(ConfigKey::SAMPLERATE,
			Glib::Variant<guint64>::create(sample_rate));
		on_config_changed();
	} catch (Error error) {
		qDebug() << "Failed to configure samplerate.";
		return;
	}
	updating_sample_rate_ = false;
}

void MainBar::on_device_selected()
{
	shared_ptr<devices::Device> device = device_selector_.selected_device();
	if (!device)
		return;

	main_window_.select_device(device);

	update_device_config_widgets();
}

void MainBar::on_sample_count_changed()
{
	commit_sample_count();
}

void MainBar::on_sample_rate_changed()
{
	commit_sample_rate();
}

void MainBar::on_run_stop()
{
	commit_sample_count();
	commit_sample_rate();	
	main_window_.run_stop();
}

void MainBar::on_config_changed()
{
	commit_sample_count();
	update_sample_count_selector();	
	commit_sample_rate();	
	update_sample_rate_selector();
}

bool MainBar::eventFilter(QObject *watched, QEvent *event)
{
	if ((watched == &sample_count_ || watched == &sample_rate_) &&
		(event->type() == QEvent::ToolTip)) {
		double sec = (double)sample_count_.value() / sample_rate_.value();
		QHelpEvent *help_event = static_cast<QHelpEvent*>(event);

		QString str = tr("Total sampling time: %1").arg(pv::util::format_second(sec));
		QToolTip::showText(help_event->globalPos(), str);

		return true;
	}

	return false;
}

} // namespace toolbars
} // namespace pv
Commit	Line	Data
d4984fe7	1	/*
b3f22de0	2	* This file is part of the PulseView project.
d4984fe7	3	*
079d39ea	4	* Copyright (C) 2012-2015 Joel Holdsworth <joel@airwebreathe.org.uk>
d4984fe7 JH	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, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
09f5d123	21	#include <extdef.h>
dde1a563	22
079d39ea JH	23	#include <algorithm>
079d39ea JH	24	#include <cassert>
215f9499	25
dde1a563	26	#include <QAction>
48888313	27	#include <QDebug>
40065ab6	28	#include <QHelpEvent>
87f0df9b	29	#include <QMenu>
40065ab6	30	#include <QToolTip>
dde1a563	31
7c657094	32	#include "mainbar.hpp"
d4984fe7	33
2acdb232	34	#include <pv/devicemanager.hpp>
da30ecb7	35	#include <pv/devices/hardwaredevice.hpp>
4e7f5ba8	36	#include <pv/mainwindow.hpp>
2acdb232 JH	37	#include <pv/popups/deviceoptions.hpp>
	38	#include <pv/popups/channels.hpp>
	39	#include <pv/util.hpp>
998b89fd	40	#include <pv/widgets/exportmenu.hpp>
ed43ef2e	41	#include <pv/widgets/importmenu.hpp>
cdb50f67	42
fe3a1c21	43	#include <libsigrokcxx/libsigrokcxx.hpp>
e8d00928	44
079d39ea JH	45	using std::back_inserter;
	46	using std::copy;
	47	using std::list;
19adbc2c	48	using std::map;
b50ef520 JH	49	using std::max;
b50ef520 JH	50	using std::min;
f9abf97e	51	using std::shared_ptr;
819f4c25	52	using std::string;
079d39ea	53	using std::vector;
dd63af74	54
e8d00928 ML	55	using sigrok::Capability;
e8d00928 ML	56	using sigrok::ConfigKey;
e8d00928	57	using sigrok::Error;
ed43ef2e	58	using sigrok::InputFormat;
e8d00928	59
51e77110	60	namespace pv {
f4c92e1c	61	namespace toolbars {
51e77110	62
7c657094 JH	63	const uint64_t MainBar::MinSampleCount = 100ULL;
	64	const uint64_t MainBar::MaxSampleCount = 1000000000000ULL;
	65	const uint64_t MainBar::DefaultSampleCount = 1000000;
09f5d123	66
7c657094	67	MainBar::MainBar(Session &session, MainWindow &main_window) :
4e7f5ba8	68	QToolBar("Sampling Bar", &main_window),
8dbbc7f0	69	session_(session),
4e7f5ba8	70	main_window_(main_window),
079d39ea JH	71	device_selector_(this, session.device_manager(),
079d39ea JH	72	main_window.action_connect()),
8dbbc7f0 JH	73	configure_button_(this),
	74	configure_button_action_(NULL),
	75	channels_button_(this),
	76	sample_count_(" samples", this),
	77	sample_rate_("Hz", this),
	78	updating_sample_rate_(false),
	79	updating_sample_count_(false),
	80	sample_count_supported_(false),
	81	icon_red_(":/icons/status-red.svg"),
	82	icon_green_(":/icons/status-green.svg"),
	83	icon_grey_(":/icons/status-grey.svg"),
87f0df9b JH	84	run_stop_button_(this),
87f0df9b JH	85	menu_button_(this)
6fb67b27	86	{
7c657094	87	setObjectName(QString::fromUtf8("MainBar"));
0c7cdea2	88
f2dbf150 JH	89	setMovable(false);
f2dbf150 JH	90	setFloatable(false);
758f6023	91	setContextMenuPolicy(Qt::PreventContextMenu);
f2dbf150	92
ed43ef2e JH	93	// Open button
	94	QToolButton *const open_button = new QToolButton(this);
	95
	96	widgets::ImportMenu *import_menu = new widgets::ImportMenu(this,
	97	session.device_manager().context(),
	98	main_window.action_open());
	99	connect(import_menu,
	100	SIGNAL(format_selected(std::shared_ptr<sigrok::InputFormat>)),
	101	&main_window_,
	102	SLOT(import_file(std::shared_ptr<sigrok::InputFormat>)));
	103
	104	open_button->setMenu(import_menu);
	105	open_button->setDefaultAction(main_window.action_open());
	106	open_button->setPopupMode(QToolButton::MenuButtonPopup);
	107
998b89fd JH	108	// Save button
	109	QToolButton *const save_button = new QToolButton(this);
	110
	111	widgets::ExportMenu *export_menu = new widgets::ExportMenu(this,
	112	session.device_manager().context(),
	113	main_window.action_save_as());
	114	connect(export_menu,
	115	SIGNAL(format_selected(std::shared_ptr<sigrok::OutputFormat>)),
	116	&main_window_,
	117	SLOT(export_file(std::shared_ptr<sigrok::OutputFormat>)));
	118
	119	save_button->setMenu(export_menu);
	120	save_button->setDefaultAction(main_window.action_save_as());
	121	save_button->setPopupMode(QToolButton::MenuButtonPopup);
	122
079d39ea JH	123	// Device selector menu
	124	connect(&device_selector_, SIGNAL(device_selected()),
	125	this, SLOT(on_device_selected()));
	126
168888e2 JH	127	// Setup the decoder button
	128	#ifdef ENABLE_DECODE
	129	QToolButton *add_decoder_button = new QToolButton(this);
	130	add_decoder_button->setIcon(QIcon::fromTheme("add-decoder",
	131	QIcon(":/icons/add-decoder.svg")));
	132	add_decoder_button->setPopupMode(QToolButton::InstantPopup);
	133	add_decoder_button->setMenu(main_window_.menu_decoder_add());
	134	#endif
	135
87f0df9b JH	136	// Setup the menu
	137	QMenu *const menu = new QMenu(this);
	138
	139	QMenu *const menu_help = new QMenu;
	140	menu_help->setTitle(tr("&Help"));
	141	menu_help->addAction(main_window.action_about());
	142
	143	menu->addAction(menu_help->menuAction());
	144	menu->addSeparator();
	145	menu->addAction(main_window.action_quit());
	146
	147	menu_button_.setMenu(menu);
	148	menu_button_.setPopupMode(QToolButton::InstantPopup);
	149	menu_button_.setIcon(QIcon::fromTheme("menu",
	150	QIcon(":/icons/menu.svg")));
	151
	152	// Setup the toolbar
ed43ef2e	153	addWidget(open_button);
998b89fd	154	addWidget(save_button);
87f0df9b JH	155	addSeparator();
	156	addAction(main_window.action_view_zoom_in());
	157	addAction(main_window.action_view_zoom_out());
	158	addAction(main_window.action_view_zoom_fit());
	159	addAction(main_window.action_view_zoom_one_to_one());
	160	addSeparator();
bdf57963 JH	161	addAction(main_window.action_view_show_cursors());
bdf57963 JH	162	addSeparator();
87f0df9b	163
8dbbc7f0	164	connect(&run_stop_button_, SIGNAL(clicked()),
9f3d12f3	165	this, SLOT(on_run_stop()));
8dbbc7f0	166	connect(&sample_count_, SIGNAL(value_changed()),
124d97de	167	this, SLOT(on_sample_count_changed()));
8dbbc7f0	168	connect(&sample_rate_, SIGNAL(value_changed()),
1198b887	169	this, SLOT(on_sample_rate_changed()));
dde1a563	170
8dbbc7f0	171	sample_count_.show_min_max_step(0, UINT64_MAX, 1);
215f9499	172
2b81ae46	173	set_capture_state(pv::Session::Stopped);
274d4f13	174
8dbbc7f0	175	configure_button_.setIcon(QIcon::fromTheme("configure",
688ef645	176	QIcon(":/icons/configure.png")));
b7b659aa	177
8dbbc7f0	178	channels_button_.setIcon(QIcon::fromTheme("channels",
6ac6242b	179	QIcon(":/icons/channels.svg")));
cdb50f67	180
8dbbc7f0	181	run_stop_button_.setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
f5798068	182
8dbbc7f0 JH	183	addWidget(&device_selector_);
	184	configure_button_action_ = addWidget(&configure_button_);
	185	addWidget(&channels_button_);
	186	addWidget(&sample_count_);
	187	addWidget(&sample_rate_);
8dbbc7f0	188	addWidget(&run_stop_button_);
168888e2 JH	189	#ifdef ENABLE_DECODE
	190	addSeparator();
	191	addWidget(add_decoder_button);
	192	#endif
40065ab6	193
87f0df9b JH	194	QWidget *const spacer = new QWidget();
	195	spacer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
	196	addWidget(spacer);
	197
	198	addWidget(&menu_button_);
	199
8dbbc7f0 JH	200	sample_count_.installEventFilter(this);
8dbbc7f0 JH	201	sample_rate_.installEventFilter(this);
6fb67b27 JH	202	}
6fb67b27 JH	203
079d39ea	204	void MainBar::update_device_list()
18203d86	205	{
079d39ea	206	DeviceManager &mgr = session_.device_manager();
da30ecb7 JH	207	shared_ptr<devices::Device> selected_device = session_.device();
da30ecb7 JH	208	list< shared_ptr<devices::Device> > devs;
e8d00928	209
079d39ea	210	copy(mgr.devices().begin(), mgr.devices().end(), back_inserter(devs));
53a7cce4	211
079d39ea JH	212	if (std::find(devs.begin(), devs.end(), selected_device) == devs.end())
	213	devs.push_back(selected_device);
	214	assert(selected_device);
e95e8563	215
079d39ea	216	device_selector_.set_device_list(devs, selected_device);
e95e8563	217	update_device_config_widgets();
18203d86 JH	218	}
18203d86 JH	219
6fb67b27	220
7c657094	221	void MainBar::set_capture_state(pv::Session::capture_state state)
6ac96c2e	222	{
8dbbc7f0 JH	223	const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_};
8dbbc7f0 JH	224	run_stop_button_.setIcon(*icons[state]);
2b81ae46	225	run_stop_button_.setText((state == pv::Session::Stopped) ?
2b49eeb0	226	tr("Run") : tr("Stop"));
8dbbc7f0	227	run_stop_button_.setShortcut(QKeySequence(Qt::Key_Space));
6ac96c2e JH	228	}
6ac96c2e JH	229
7c657094	230	void MainBar::update_sample_rate_selector()
dde1a563	231	{
e8d00928 ML	232	Glib::VariantContainerBase gvar_dict;
e8d00928 ML	233	GVariant *gvar_list;
488f5d3f BV	234	const uint64_t *elements = NULL;
488f5d3f BV	235	gsize num_elements;
a6ed12bf	236	map< const ConfigKey*, std::set<Capability> > keys;
dde1a563	237
8dbbc7f0	238	if (updating_sample_rate_)
3d4f16af JH	239	return;
3d4f16af JH	240
da30ecb7 JH	241	const shared_ptr<devices::Device> device =
da30ecb7 JH	242	device_selector_.selected_device();
e8d00928	243	if (!device)
ef4d0201 JH	244	return;
ef4d0201 JH	245
8dbbc7f0 JH	246	assert(!updating_sample_rate_);
8dbbc7f0 JH	247	updating_sample_rate_ = true;
1198b887	248
da30ecb7	249	const shared_ptr<sigrok::Device> sr_dev = device->device();
a6ed12bf JH	250
	251	try {
	252	keys = sr_dev->config_keys(ConfigKey::DEVICE_OPTIONS);
	253	} catch (Error) {}
	254
ed1d9d81 JH	255	const auto iter = keys.find(ConfigKey::SAMPLERATE);
	256	if (iter != keys.end() &&
	257	(iter).second.find(sigrok::LIST) != (iter).second.end()) {
c2db8ec3	258	try {
da30ecb7	259	gvar_dict = sr_dev->config_list(ConfigKey::SAMPLERATE);
c2db8ec3 JH	260	} catch(const sigrok::Error &e) {
	261	// Failed to enunmerate samplerate
	262	(void)e;
	263	}
	264	}
	265
0aff286e	266	if (!gvar_dict.gobj()) {
8dbbc7f0 JH	267	sample_rate_.show_none();
8dbbc7f0 JH	268	updating_sample_rate_ = false;
dde1a563	269	return;
1198b887	270	}
dde1a563	271
e8d00928	272	if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
1198b887 JH	273	"samplerate-steps", G_VARIANT_TYPE("at"))))
1198b887 JH	274	{
488f5d3f BV	275	elements = (const uint64_t *)g_variant_get_fixed_array(
488f5d3f BV	276	gvar_list, &num_elements, sizeof(uint64_t));
aafe53af JH	277
	278	const uint64_t min = elements[0];
	279	const uint64_t max = elements[1];
	280	const uint64_t step = elements[2];
	281
488f5d3f	282	g_variant_unref(gvar_list);
aafe53af JH	283
	284	assert(min > 0);
	285	assert(max > 0);
	286	assert(max > min);
	287	assert(step > 0);
	288
	289	if (step == 1)
8dbbc7f0	290	sample_rate_.show_125_list(min, max);
aafe53af JH	291	else
	292	{
	293	// When the step is not 1, we cam't make a 1-2-5-10
	294	// list of sample rates, because we may not be able to
	295	// make round numbers. Therefore in this case, show a
	296	// spin box.
8dbbc7f0	297	sample_rate_.show_min_max_step(min, max, step);
aafe53af	298	}
dde1a563	299	}
e8d00928	300	else if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
488f5d3f	301	"samplerates", G_VARIANT_TYPE("at"))))
dde1a563	302	{
488f5d3f BV	303	elements = (const uint64_t *)g_variant_get_fixed_array(
488f5d3f BV	304	gvar_list, &num_elements, sizeof(uint64_t));
8dbbc7f0	305	sample_rate_.show_list(elements, num_elements);
488f5d3f	306	g_variant_unref(gvar_list);
dde1a563	307	}
8dbbc7f0	308	updating_sample_rate_ = false;
48888313 JH	309
	310	update_sample_rate_selector_value();
	311	}
	312
7c657094	313	void MainBar::update_sample_rate_selector_value()
48888313	314	{
8dbbc7f0	315	if (updating_sample_rate_)
3d4f16af JH	316	return;
3d4f16af JH	317
da30ecb7 JH	318	const shared_ptr<devices::Device> device =
da30ecb7 JH	319	device_selector_.selected_device();
e8d00928	320	if (!device)
19adbc2c JH	321	return;
19adbc2c JH	322
e8d00928	323	try {
da30ecb7	324	auto gvar = device->device()->config_get(ConfigKey::SAMPLERATE);
e8d00928	325	uint64_t samplerate =
15289d5c	326	Glib::VariantBase::cast_dynamic<Glib::Variant<guint64>>(gvar).get();
8dbbc7f0 JH	327	assert(!updating_sample_rate_);
	328	updating_sample_rate_ = true;
	329	sample_rate_.set_value(samplerate);
	330	updating_sample_rate_ = false;
e8d00928	331	} catch (Error error) {
8dd44190	332	qDebug() << "WARNING: Failed to get value of sample rate";
eb4008a6 JH	333	return;
eb4008a6 JH	334	}
48888313 JH	335	}
48888313 JH	336
7c657094	337	void MainBar::update_sample_count_selector()
85756012	338	{
8dbbc7f0	339	if (updating_sample_count_)
3d4f16af JH	340	return;
3d4f16af JH	341
da30ecb7 JH	342	const shared_ptr<devices::Device> device =
da30ecb7 JH	343	device_selector_.selected_device();
e8d00928	344	if (!device)
19adbc2c JH	345	return;
19adbc2c JH	346
da30ecb7 JH	347	const shared_ptr<sigrok::Device> sr_dev = device->device();
da30ecb7 JH	348
8dbbc7f0 JH	349	assert(!updating_sample_count_);
8dbbc7f0 JH	350	updating_sample_count_ = true;
85756012	351
3e7636f9	352	if (!sample_count_supported_)
df3c1aa3	353	{
3e7636f9 JH	354	sample_count_.show_none();
	355	updating_sample_count_ = false;
	356	return;
	357	}
b50ef520	358
3e7636f9 JH	359	uint64_t sample_count = sample_count_.value();
	360	uint64_t min_sample_count = 0;
	361	uint64_t max_sample_count = MaxSampleCount;
3cbffdcf	362
3e7636f9 JH	363	if (sample_count == 0)
3e7636f9 JH	364	sample_count = DefaultSampleCount;
b50ef520	365
da30ecb7	366	const auto keys = sr_dev->config_keys(ConfigKey::DEVICE_OPTIONS);
ed1d9d81 JH	367	const auto iter = keys.find(ConfigKey::LIMIT_SAMPLES);
	368	if (iter != keys.end() &&
	369	(iter).second.find(sigrok::LIST) != (iter).second.end()) {
6454b1e9 JH	370	try {
6454b1e9 JH	371	auto gvar =
da30ecb7	372	sr_dev->config_list(ConfigKey::LIMIT_SAMPLES);
0aff286e	373	if (gvar.gobj())
6454b1e9 JH	374	g_variant_get(gvar.gobj(), "(tt)",
	375	&min_sample_count, &max_sample_count);
	376	} catch(const sigrok::Error &e) {
	377	// Failed to query sample limit
	378	(void)e;
	379	}
ed1d9d81	380	}
1d04852f	381
3e7636f9 JH	382	min_sample_count = min(max(min_sample_count, MinSampleCount),
3e7636f9 JH	383	max_sample_count);
b50ef520	384
3e7636f9 JH	385	sample_count_.show_125_list(
3e7636f9 JH	386	min_sample_count, max_sample_count);
b50ef520	387
3e7636f9	388	try {
da30ecb7	389	auto gvar = sr_dev->config_get(ConfigKey::LIMIT_SAMPLES);
3e7636f9 JH	390	sample_count = g_variant_get_uint64(gvar.gobj());
	391	if (sample_count == 0)
	392	sample_count = DefaultSampleCount;
	393	sample_count = min(max(sample_count, MinSampleCount),
	394	max_sample_count);
	395	} catch (Error error) {}
	396
	397	sample_count_.set_value(sample_count);
df3c1aa3	398
8dbbc7f0	399	updating_sample_count_ = false;
85756012 ML	400	}
85756012 ML	401
7c657094	402	void MainBar::update_device_config_widgets()
e95e8563	403	{
e95e8563 JH	404	using namespace pv::popups;
e95e8563 JH	405
da30ecb7 JH	406	const shared_ptr<devices::Device> device =
da30ecb7 JH	407	device_selector_.selected_device();
e8d00928	408	if (!device)
e95e8563 JH	409	return;
e95e8563 JH	410
da30ecb7 JH	411	const shared_ptr<sigrok::Device> sr_dev = device->device();
	412	if (!sr_dev)
	413	return;
	414
e95e8563	415	// Update the configure popup
da30ecb7	416	DeviceOptions *const opts = new DeviceOptions(sr_dev, this);
8dbbc7f0	417	configure_button_action_->setVisible(
e95e8563	418	!opts->binding().properties().empty());
8dbbc7f0	419	configure_button_.set_popup(opts);
e95e8563	420
6ac6242b	421	// Update the channels popup
8dbbc7f0 JH	422	Channels *const channels = new Channels(session_, this);
8dbbc7f0 JH	423	channels_button_.set_popup(channels);
e95e8563 JH	424
e95e8563 JH	425	// Update supported options.
8dbbc7f0	426	sample_count_supported_ = false;
e95e8563	427
e8d00928	428	try {
da30ecb7	429	for (auto entry : sr_dev->config_keys(ConfigKey::DEVICE_OPTIONS))
e95e8563	430	{
e8d00928 ML	431	auto key = entry.first;
	432	auto capabilities = entry.second;
	433	switch (key->id()) {
e95e8563	434	case SR_CONF_LIMIT_SAMPLES:
e8d00928	435	if (capabilities.count(Capability::SET))
8dbbc7f0	436	sample_count_supported_ = true;
e95e8563 JH	437	break;
e95e8563 JH	438	case SR_CONF_LIMIT_FRAMES:
e8d00928 ML	439	if (capabilities.count(Capability::SET))
e8d00928 ML	440	{
da30ecb7	441	sr_dev->config_set(ConfigKey::LIMIT_FRAMES,
15289d5c	442	Glib::Variant<guint64>::create(1));
e8d00928 ML	443	on_config_changed();
	444	}
	445	break;
	446	default:
e95e8563 JH	447	break;
	448	}
	449	}
e8d00928	450	} catch (Error error) {}
e95e8563 JH	451
	452	// Add notification of reconfigure events
	453	disconnect(this, SLOT(on_config_changed()));
e8d00928	454	connect(&opts->binding(), SIGNAL(config_changed()),
e95e8563 JH	455	this, SLOT(on_config_changed()));
	456
	457	// Update sweep timing widgets.
	458	update_sample_count_selector();
	459	update_sample_rate_selector();
	460	}
	461
7c657094	462	void MainBar::commit_sample_count()
124d97de ML	463	{
	464	uint64_t sample_count = 0;
	465
8dbbc7f0	466	if (updating_sample_count_)
3d4f16af JH	467	return;
3d4f16af JH	468
da30ecb7 JH	469	const shared_ptr<devices::Device> device =
da30ecb7 JH	470	device_selector_.selected_device();
e8d00928	471	if (!device)
19adbc2c JH	472	return;
19adbc2c JH	473
da30ecb7 JH	474	const shared_ptr<sigrok::Device> sr_dev = device->device();
da30ecb7 JH	475
8dbbc7f0	476	sample_count = sample_count_.value();
124d97de ML	477
124d97de ML	478	// Set the sample count
8dbbc7f0 JH	479	assert(!updating_sample_count_);
	480	updating_sample_count_ = true;
	481	if (sample_count_supported_)
e8d00928 ML	482	{
e8d00928 ML	483	try {
da30ecb7	484	sr_dev->config_set(ConfigKey::LIMIT_SAMPLES,
15289d5c	485	Glib::Variant<guint64>::create(sample_count));
e8d00928 ML	486	on_config_changed();
	487	} catch (Error error) {
	488	qDebug() << "Failed to configure sample count.";
	489	return;
	490	}
124d97de	491	}
8dbbc7f0	492	updating_sample_count_ = false;
124d97de ML	493	}
124d97de ML	494
7c657094	495	void MainBar::commit_sample_rate()
48888313 JH	496	{
	497	uint64_t sample_rate = 0;
	498
8dbbc7f0	499	if (updating_sample_rate_)
3d4f16af JH	500	return;
3d4f16af JH	501
da30ecb7 JH	502	const shared_ptr<devices::Device> device =
da30ecb7 JH	503	device_selector_.selected_device();
e8d00928	504	if (!device)
19adbc2c JH	505	return;
19adbc2c JH	506
da30ecb7 JH	507	const shared_ptr<sigrok::Device> sr_dev = device->device();
da30ecb7 JH	508
8dbbc7f0	509	sample_rate = sample_rate_.value();
f9541bde JH	510	if (sample_rate == 0)
	511	return;
	512
48888313	513	// Set the samplerate
8dbbc7f0 JH	514	assert(!updating_sample_rate_);
8dbbc7f0 JH	515	updating_sample_rate_ = true;
e8d00928	516	try {
da30ecb7	517	sr_dev->config_set(ConfigKey::SAMPLERATE,
15289d5c	518	Glib::Variant<guint64>::create(sample_rate));
e8d00928 ML	519	on_config_changed();
e8d00928 ML	520	} catch (Error error) {
48888313 JH	521	qDebug() << "Failed to configure samplerate.";
	522	return;
	523	}
8dbbc7f0	524	updating_sample_rate_ = false;
dde1a563 JH	525	}
dde1a563 JH	526
7c657094	527	void MainBar::on_device_selected()
dde1a563	528	{
da30ecb7	529	shared_ptr<devices::Device> device = device_selector_.selected_device();
e8d00928	530	if (!device)
19adbc2c JH	531	return;
19adbc2c JH	532
51cf49fe	533	main_window_.select_device(device);
51d4a9ab	534
e95e8563	535	update_device_config_widgets();
dde1a563	536	}
51e77110	537
7c657094	538	void MainBar::on_sample_count_changed()
124d97de	539	{
3d4f16af	540	commit_sample_count();
124d97de ML	541	}
124d97de ML	542
7c657094	543	void MainBar::on_sample_rate_changed()
48888313	544	{
3d4f16af	545	commit_sample_rate();
48888313 JH	546	}
48888313 JH	547
7c657094	548	void MainBar::on_run_stop()
9f3d12f3	549	{
b50ef520	550	commit_sample_count();
9f3d12f3	551	commit_sample_rate();
4e7f5ba8	552	main_window_.run_stop();
9f3d12f3 JH	553	}
9f3d12f3 JH	554
7c657094	555	void MainBar::on_config_changed()
82afd5e3 JH	556	{
	557	commit_sample_count();
	558	update_sample_count_selector();
	559	commit_sample_rate();
	560	update_sample_rate_selector();
	561	}
	562
7c657094	563	bool MainBar::eventFilter(QObject watched, QEvent event)
40065ab6	564	{
8dbbc7f0	565	if ((watched == &sample_count_ \|\| watched == &sample_rate_) &&
40065ab6	566	(event->type() == QEvent::ToolTip)) {
8dbbc7f0	567	double sec = (double)sample_count_.value() / sample_rate_.value();
40065ab6	568	QHelpEvent help_event = static_cast<QHelpEvent>(event);
62974f45 JS	569
62974f45 JS	570	QString str = tr("Total sampling time: %1").arg(pv::util::format_second(sec));
40065ab6 JS	571	QToolTip::showText(help_event->globalPos(), str);
	572
	573	return true;
	574	}
	575
	576	return false;
	577	}
	578
f4c92e1c	579	} // namespace toolbars
51e77110	580	} // namespace pv