[pulseview.git] / pv / toolbars / mainbar.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 <QAction>
#include <QDebug>
#include <QHelpEvent>
#include <QToolTip>

#include "mainbar.hpp"

#include <pv/devicemanager.hpp>
#include <pv/mainwindow.hpp>
#include <pv/popups/deviceoptions.hpp>
#include <pv/popups/channels.hpp>
#include <pv/util.hpp>

#include <libsigrok/libsigrok.hpp>

using std::map;
using std::vector;
using std::max;
using std::min;
using std::shared_ptr;
using std::string;

using sigrok::Capability;
using sigrok::ConfigKey;
using sigrok::Device;
using sigrok::Error;

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),
	updating_device_selector_(false),
	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)
{
	setObjectName(QString::fromUtf8("MainBar"));

	setMovable(false);
	setFloatable(false);

	connect(&run_stop_button_, SIGNAL(clicked()),
		this, SLOT(on_run_stop()));
	connect(&device_selector_, SIGNAL(currentIndexChanged (int)),
		this, SLOT(on_device_selected()));
	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_);

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

void MainBar::set_device_list(
	const std::list< std::shared_ptr<sigrok::Device> > &devices,
	shared_ptr<Device> selected)
{
	int selected_index = -1;

	assert(selected);

	updating_device_selector_ = true;

	device_selector_.clear();

	for (auto device : devices) {
		assert(device);

		string display_name =
			session_.device_manager().get_display_name(device);

		if (selected == device)
			selected_index = device_selector_.count();

		device_selector_.addItem(display_name.c_str(),
			qVariantFromValue(device));
	}

	// The selected device should have been in the list
	assert(selected_index != -1);
	device_selector_.setCurrentIndex(selected_index);

	update_device_config_widgets();

	updating_device_selector_ = false;
}

shared_ptr<Device> MainBar::get_selected_device() const
{
	const int index = device_selector_.currentIndex();
	if (index < 0)
		return shared_ptr<Device>();

	return device_selector_.itemData(index).value<shared_ptr<Device>>();
}

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;

	if (updating_sample_rate_)
		return;

	const shared_ptr<Device> device = get_selected_device();
	if (!device)
		return;

	assert(!updating_sample_rate_);
	updating_sample_rate_ = true;

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

	if (!gvar_dict) {
		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<Device> device = get_selected_device();
	if (!device)
		return;

	try {
		auto gvar = 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<Device> device = get_selected_device();
	if (!device)
		return;

	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 = device->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 =
				device->config_list(ConfigKey::LIMIT_SAMPLES);
			if (gvar)
				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 = device->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<Device> device = get_selected_device();
	if (!device)
		return;

	// Update the configure popup
	DeviceOptions *const opts = new DeviceOptions(device, 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 : device->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))
				{
					device->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<Device> device = get_selected_device();
	if (!device)
		return;

	sample_count = sample_count_.value();

	// Set the sample count
	assert(!updating_sample_count_);
	updating_sample_count_ = true;
	if (sample_count_supported_)
	{
		try {
			device->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<Device> device = get_selected_device();
	if (!device)
		return;

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

	// Set the samplerate
	assert(!updating_sample_rate_);
	updating_sample_rate_ = true;
	try {
		device->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()
{
	if (updating_device_selector_)
		return;

	shared_ptr<Device> device = get_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 JH	3	*
	4	* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
	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
09f5d123	23	#include <assert.h>
215f9499	24
dde1a563	25	#include <QAction>
48888313	26	#include <QDebug>
40065ab6 JS	27	#include <QHelpEvent>
40065ab6 JS	28	#include <QToolTip>
dde1a563	29
7c657094	30	#include "mainbar.hpp"
d4984fe7	31
2acdb232	32	#include <pv/devicemanager.hpp>
4e7f5ba8	33	#include <pv/mainwindow.hpp>
2acdb232 JH	34	#include <pv/popups/deviceoptions.hpp>
	35	#include <pv/popups/channels.hpp>
	36	#include <pv/util.hpp>
cdb50f67	37
e8d00928 ML	38	#include <libsigrok/libsigrok.hpp>
e8d00928 ML	39
19adbc2c	40	using std::map;
e8d00928	41	using std::vector;
b50ef520 JH	42	using std::max;
b50ef520 JH	43	using std::min;
f9abf97e	44	using std::shared_ptr;
819f4c25	45	using std::string;
dd63af74	46
e8d00928 ML	47	using sigrok::Capability;
	48	using sigrok::ConfigKey;
	49	using sigrok::Device;
	50	using sigrok::Error;
	51
51e77110	52	namespace pv {
f4c92e1c	53	namespace toolbars {
51e77110	54
7c657094 JH	55	const uint64_t MainBar::MinSampleCount = 100ULL;
	56	const uint64_t MainBar::MaxSampleCount = 1000000000000ULL;
	57	const uint64_t MainBar::DefaultSampleCount = 1000000;
09f5d123	58
7c657094	59	MainBar::MainBar(Session &session, MainWindow &main_window) :
4e7f5ba8	60	QToolBar("Sampling Bar", &main_window),
8dbbc7f0	61	session_(session),
4e7f5ba8	62	main_window_(main_window),
8dbbc7f0 JH	63	device_selector_(this),
	64	updating_device_selector_(false),
	65	configure_button_(this),
	66	configure_button_action_(NULL),
	67	channels_button_(this),
	68	sample_count_(" samples", this),
	69	sample_rate_("Hz", this),
	70	updating_sample_rate_(false),
	71	updating_sample_count_(false),
	72	sample_count_supported_(false),
	73	icon_red_(":/icons/status-red.svg"),
	74	icon_green_(":/icons/status-green.svg"),
	75	icon_grey_(":/icons/status-grey.svg"),
	76	run_stop_button_(this)
6fb67b27	77	{
7c657094	78	setObjectName(QString::fromUtf8("MainBar"));
0c7cdea2	79
f2dbf150 JH	80	setMovable(false);
	81	setFloatable(false);
	82
8dbbc7f0	83	connect(&run_stop_button_, SIGNAL(clicked()),
9f3d12f3	84	this, SLOT(on_run_stop()));
8dbbc7f0	85	connect(&device_selector_, SIGNAL(currentIndexChanged (int)),
dde1a563	86	this, SLOT(on_device_selected()));
8dbbc7f0	87	connect(&sample_count_, SIGNAL(value_changed()),
124d97de	88	this, SLOT(on_sample_count_changed()));
8dbbc7f0	89	connect(&sample_rate_, SIGNAL(value_changed()),
1198b887	90	this, SLOT(on_sample_rate_changed()));
dde1a563	91
8dbbc7f0	92	sample_count_.show_min_max_step(0, UINT64_MAX, 1);
215f9499	93
2b81ae46	94	set_capture_state(pv::Session::Stopped);
274d4f13	95
8dbbc7f0	96	configure_button_.setIcon(QIcon::fromTheme("configure",
688ef645	97	QIcon(":/icons/configure.png")));
b7b659aa	98
8dbbc7f0	99	channels_button_.setIcon(QIcon::fromTheme("channels",
6ac6242b	100	QIcon(":/icons/channels.svg")));
cdb50f67	101
8dbbc7f0	102	run_stop_button_.setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
f5798068	103
8dbbc7f0 JH	104	addWidget(&device_selector_);
	105	configure_button_action_ = addWidget(&configure_button_);
	106	addWidget(&channels_button_);
	107	addWidget(&sample_count_);
	108	addWidget(&sample_rate_);
6fb67b27	109
8dbbc7f0	110	addWidget(&run_stop_button_);
40065ab6	111
8dbbc7f0 JH	112	sample_count_.installEventFilter(this);
8dbbc7f0 JH	113	sample_rate_.installEventFilter(this);
6fb67b27 JH	114	}
6fb67b27 JH	115
7c657094	116	void MainBar::set_device_list(
53a7cce4	117	const std::list< std::shared_ptr<sigrok::Device> > &devices,
e8d00928	118	shared_ptr<Device> selected)
18203d86	119	{
e95e8563 JH	120	int selected_index = -1;
	121
	122	assert(selected);
	123
8dbbc7f0	124	updating_device_selector_ = true;
95237c18	125
8dbbc7f0	126	device_selector_.clear();
18203d86	127
53a7cce4	128	for (auto device : devices) {
e8d00928 ML	129	assert(device);
e8d00928 ML	130
53a7cce4 SA	131	string display_name =
	132	session_.device_manager().get_display_name(device);
	133
e8d00928	134	if (selected == device)
8dbbc7f0	135	selected_index = device_selector_.count();
e95e8563	136
8dbbc7f0	137	device_selector_.addItem(display_name.c_str(),
e8d00928	138	qVariantFromValue(device));
18203d86 JH	139	}
18203d86 JH	140
e95e8563 JH	141	// The selected device should have been in the list
e95e8563 JH	142	assert(selected_index != -1);
8dbbc7f0	143	device_selector_.setCurrentIndex(selected_index);
e95e8563 JH	144
	145	update_device_config_widgets();
	146
8dbbc7f0	147	updating_device_selector_ = false;
18203d86 JH	148	}
18203d86 JH	149
7c657094	150	shared_ptr<Device> MainBar::get_selected_device() const
d4984fe7	151	{
8dbbc7f0	152	const int index = device_selector_.currentIndex();
333d5bbc	153	if (index < 0)
e8d00928	154	return shared_ptr<Device>();
6fb67b27	155
8dbbc7f0	156	return device_selector_.itemData(index).value<shared_ptr<Device>>();
6fb67b27 JH	157	}
6fb67b27 JH	158
7c657094	159	void MainBar::set_capture_state(pv::Session::capture_state state)
6ac96c2e	160	{
8dbbc7f0 JH	161	const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_};
8dbbc7f0 JH	162	run_stop_button_.setIcon(*icons[state]);
2b81ae46	163	run_stop_button_.setText((state == pv::Session::Stopped) ?
2b49eeb0	164	tr("Run") : tr("Stop"));
8dbbc7f0	165	run_stop_button_.setShortcut(QKeySequence(Qt::Key_Space));
6ac96c2e JH	166	}
6ac96c2e JH	167
7c657094	168	void MainBar::update_sample_rate_selector()
dde1a563	169	{
e8d00928 ML	170	Glib::VariantContainerBase gvar_dict;
e8d00928 ML	171	GVariant *gvar_list;
488f5d3f BV	172	const uint64_t *elements = NULL;
488f5d3f BV	173	gsize num_elements;
dde1a563	174
8dbbc7f0	175	if (updating_sample_rate_)
3d4f16af JH	176	return;
3d4f16af JH	177
e8d00928 ML	178	const shared_ptr<Device> device = get_selected_device();
e8d00928 ML	179	if (!device)
ef4d0201 JH	180	return;
ef4d0201 JH	181
8dbbc7f0 JH	182	assert(!updating_sample_rate_);
8dbbc7f0 JH	183	updating_sample_rate_ = true;
1198b887	184
ed1d9d81 JH	185	const auto keys = device->config_keys(ConfigKey::DEVICE_OPTIONS);
	186	const auto iter = keys.find(ConfigKey::SAMPLERATE);
	187	if (iter != keys.end() &&
	188	(iter).second.find(sigrok::LIST) != (iter).second.end()) {
c2db8ec3 JH	189	const auto keys = device->config_keys(
	190	ConfigKey::DEVICE_OPTIONS);
	191	try {
	192	gvar_dict = device->config_list(ConfigKey::SAMPLERATE);
	193	} catch(const sigrok::Error &e) {
	194	// Failed to enunmerate samplerate
	195	(void)e;
	196	}
	197	}
	198
	199	if (!gvar_dict) {
8dbbc7f0 JH	200	sample_rate_.show_none();
8dbbc7f0 JH	201	updating_sample_rate_ = false;
dde1a563	202	return;
1198b887	203	}
dde1a563	204
e8d00928	205	if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
1198b887 JH	206	"samplerate-steps", G_VARIANT_TYPE("at"))))
1198b887 JH	207	{
488f5d3f BV	208	elements = (const uint64_t *)g_variant_get_fixed_array(
488f5d3f BV	209	gvar_list, &num_elements, sizeof(uint64_t));
aafe53af JH	210
	211	const uint64_t min = elements[0];
	212	const uint64_t max = elements[1];
	213	const uint64_t step = elements[2];
	214
488f5d3f	215	g_variant_unref(gvar_list);
aafe53af JH	216
	217	assert(min > 0);
	218	assert(max > 0);
	219	assert(max > min);
	220	assert(step > 0);
	221
	222	if (step == 1)
8dbbc7f0	223	sample_rate_.show_125_list(min, max);
aafe53af JH	224	else
	225	{
	226	// When the step is not 1, we cam't make a 1-2-5-10
	227	// list of sample rates, because we may not be able to
	228	// make round numbers. Therefore in this case, show a
	229	// spin box.
8dbbc7f0	230	sample_rate_.show_min_max_step(min, max, step);
aafe53af	231	}
dde1a563	232	}
e8d00928	233	else if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
488f5d3f	234	"samplerates", G_VARIANT_TYPE("at"))))
dde1a563	235	{
488f5d3f BV	236	elements = (const uint64_t *)g_variant_get_fixed_array(
488f5d3f BV	237	gvar_list, &num_elements, sizeof(uint64_t));
8dbbc7f0	238	sample_rate_.show_list(elements, num_elements);
488f5d3f	239	g_variant_unref(gvar_list);
dde1a563	240	}
8dbbc7f0	241	updating_sample_rate_ = false;
48888313 JH	242
	243	update_sample_rate_selector_value();
	244	}
	245
7c657094	246	void MainBar::update_sample_rate_selector_value()
48888313	247	{
8dbbc7f0	248	if (updating_sample_rate_)
3d4f16af JH	249	return;
3d4f16af JH	250
e8d00928 ML	251	const shared_ptr<Device> device = get_selected_device();
e8d00928 ML	252	if (!device)
19adbc2c JH	253	return;
19adbc2c JH	254
e8d00928 ML	255	try {
	256	auto gvar = device->config_get(ConfigKey::SAMPLERATE);
	257	uint64_t samplerate =
15289d5c	258	Glib::VariantBase::cast_dynamic<Glib::Variant<guint64>>(gvar).get();
8dbbc7f0 JH	259	assert(!updating_sample_rate_);
	260	updating_sample_rate_ = true;
	261	sample_rate_.set_value(samplerate);
	262	updating_sample_rate_ = false;
e8d00928	263	} catch (Error error) {
8dd44190	264	qDebug() << "WARNING: Failed to get value of sample rate";
eb4008a6 JH	265	return;
eb4008a6 JH	266	}
48888313 JH	267	}
48888313 JH	268
7c657094	269	void MainBar::update_sample_count_selector()
85756012	270	{
8dbbc7f0	271	if (updating_sample_count_)
3d4f16af JH	272	return;
3d4f16af JH	273
e8d00928 ML	274	const shared_ptr<Device> device = get_selected_device();
e8d00928 ML	275	if (!device)
19adbc2c JH	276	return;
19adbc2c JH	277
8dbbc7f0 JH	278	assert(!updating_sample_count_);
8dbbc7f0 JH	279	updating_sample_count_ = true;
85756012	280
3e7636f9	281	if (!sample_count_supported_)
df3c1aa3	282	{
3e7636f9 JH	283	sample_count_.show_none();
	284	updating_sample_count_ = false;
	285	return;
	286	}
b50ef520	287
3e7636f9 JH	288	uint64_t sample_count = sample_count_.value();
	289	uint64_t min_sample_count = 0;
	290	uint64_t max_sample_count = MaxSampleCount;
3cbffdcf	291
3e7636f9 JH	292	if (sample_count == 0)
3e7636f9 JH	293	sample_count = DefaultSampleCount;
b50ef520	294
ed1d9d81 JH	295	const auto keys = device->config_keys(ConfigKey::DEVICE_OPTIONS);
	296	const auto iter = keys.find(ConfigKey::LIMIT_SAMPLES);
	297	if (iter != keys.end() &&
	298	(iter).second.find(sigrok::LIST) != (iter).second.end()) {
6454b1e9 JH	299	try {
	300	auto gvar =
	301	device->config_list(ConfigKey::LIMIT_SAMPLES);
	302	if (gvar)
	303	g_variant_get(gvar.gobj(), "(tt)",
	304	&min_sample_count, &max_sample_count);
	305	} catch(const sigrok::Error &e) {
	306	// Failed to query sample limit
	307	(void)e;
	308	}
ed1d9d81	309	}
1d04852f	310
3e7636f9 JH	311	min_sample_count = min(max(min_sample_count, MinSampleCount),
3e7636f9 JH	312	max_sample_count);
b50ef520	313
3e7636f9 JH	314	sample_count_.show_125_list(
3e7636f9 JH	315	min_sample_count, max_sample_count);
b50ef520	316
3e7636f9 JH	317	try {
	318	auto gvar = device->config_get(ConfigKey::LIMIT_SAMPLES);
	319	sample_count = g_variant_get_uint64(gvar.gobj());
	320	if (sample_count == 0)
	321	sample_count = DefaultSampleCount;
	322	sample_count = min(max(sample_count, MinSampleCount),
	323	max_sample_count);
	324	} catch (Error error) {}
	325
	326	sample_count_.set_value(sample_count);
df3c1aa3	327
8dbbc7f0	328	updating_sample_count_ = false;
85756012 ML	329	}
85756012 ML	330
7c657094	331	void MainBar::update_device_config_widgets()
e95e8563	332	{
e95e8563 JH	333	using namespace pv::popups;
e95e8563 JH	334
e8d00928 ML	335	const shared_ptr<Device> device = get_selected_device();
e8d00928 ML	336	if (!device)
e95e8563 JH	337	return;
	338
	339	// Update the configure popup
e8d00928	340	DeviceOptions *const opts = new DeviceOptions(device, this);
8dbbc7f0	341	configure_button_action_->setVisible(
e95e8563	342	!opts->binding().properties().empty());
8dbbc7f0	343	configure_button_.set_popup(opts);
e95e8563	344
6ac6242b	345	// Update the channels popup
8dbbc7f0 JH	346	Channels *const channels = new Channels(session_, this);
8dbbc7f0 JH	347	channels_button_.set_popup(channels);
e95e8563 JH	348
e95e8563 JH	349	// Update supported options.
8dbbc7f0	350	sample_count_supported_ = false;
e95e8563	351
e8d00928 ML	352	try {
e8d00928 ML	353	for (auto entry : device->config_keys(ConfigKey::DEVICE_OPTIONS))
e95e8563	354	{
e8d00928 ML	355	auto key = entry.first;
	356	auto capabilities = entry.second;
	357	switch (key->id()) {
e95e8563	358	case SR_CONF_LIMIT_SAMPLES:
e8d00928	359	if (capabilities.count(Capability::SET))
8dbbc7f0	360	sample_count_supported_ = true;
e95e8563 JH	361	break;
e95e8563 JH	362	case SR_CONF_LIMIT_FRAMES:
e8d00928 ML	363	if (capabilities.count(Capability::SET))
	364	{
	365	device->config_set(ConfigKey::LIMIT_FRAMES,
15289d5c	366	Glib::Variant<guint64>::create(1));
e8d00928 ML	367	on_config_changed();
	368	}
	369	break;
	370	default:
e95e8563 JH	371	break;
	372	}
	373	}
e8d00928	374	} catch (Error error) {}
e95e8563 JH	375
	376	// Add notification of reconfigure events
	377	disconnect(this, SLOT(on_config_changed()));
e8d00928	378	connect(&opts->binding(), SIGNAL(config_changed()),
e95e8563 JH	379	this, SLOT(on_config_changed()));
	380
	381	// Update sweep timing widgets.
	382	update_sample_count_selector();
	383	update_sample_rate_selector();
	384	}
	385
7c657094	386	void MainBar::commit_sample_count()
124d97de ML	387	{
	388	uint64_t sample_count = 0;
	389
8dbbc7f0	390	if (updating_sample_count_)
3d4f16af JH	391	return;
3d4f16af JH	392
e8d00928 ML	393	const shared_ptr<Device> device = get_selected_device();
e8d00928 ML	394	if (!device)
19adbc2c JH	395	return;
19adbc2c JH	396
8dbbc7f0	397	sample_count = sample_count_.value();
124d97de ML	398
124d97de ML	399	// Set the sample count
8dbbc7f0 JH	400	assert(!updating_sample_count_);
	401	updating_sample_count_ = true;
	402	if (sample_count_supported_)
e8d00928 ML	403	{
	404	try {
	405	device->config_set(ConfigKey::LIMIT_SAMPLES,
15289d5c	406	Glib::Variant<guint64>::create(sample_count));
e8d00928 ML	407	on_config_changed();
	408	} catch (Error error) {
	409	qDebug() << "Failed to configure sample count.";
	410	return;
	411	}
124d97de	412	}
8dbbc7f0	413	updating_sample_count_ = false;
124d97de ML	414	}
124d97de ML	415
7c657094	416	void MainBar::commit_sample_rate()
48888313 JH	417	{
	418	uint64_t sample_rate = 0;
	419
8dbbc7f0	420	if (updating_sample_rate_)
3d4f16af JH	421	return;
3d4f16af JH	422
e8d00928 ML	423	const shared_ptr<Device> device = get_selected_device();
e8d00928 ML	424	if (!device)
19adbc2c JH	425	return;
19adbc2c JH	426
8dbbc7f0	427	sample_rate = sample_rate_.value();
f9541bde JH	428	if (sample_rate == 0)
	429	return;
	430
48888313	431	// Set the samplerate
8dbbc7f0 JH	432	assert(!updating_sample_rate_);
8dbbc7f0 JH	433	updating_sample_rate_ = true;
e8d00928 ML	434	try {
e8d00928 ML	435	device->config_set(ConfigKey::SAMPLERATE,
15289d5c	436	Glib::Variant<guint64>::create(sample_rate));
e8d00928 ML	437	on_config_changed();
e8d00928 ML	438	} catch (Error error) {
48888313 JH	439	qDebug() << "Failed to configure samplerate.";
	440	return;
	441	}
8dbbc7f0	442	updating_sample_rate_ = false;
dde1a563 JH	443	}
dde1a563 JH	444
7c657094	445	void MainBar::on_device_selected()
dde1a563	446	{
8dbbc7f0	447	if (updating_device_selector_)
95237c18 JH	448	return;
95237c18 JH	449
e8d00928 ML	450	shared_ptr<Device> device = get_selected_device();
e8d00928 ML	451	if (!device)
19adbc2c JH	452	return;
19adbc2c JH	453
51cf49fe	454	main_window_.select_device(device);
51d4a9ab	455
e95e8563	456	update_device_config_widgets();
dde1a563	457	}
51e77110	458
7c657094	459	void MainBar::on_sample_count_changed()
124d97de	460	{
3d4f16af	461	commit_sample_count();
124d97de ML	462	}
124d97de ML	463
7c657094	464	void MainBar::on_sample_rate_changed()
48888313	465	{
3d4f16af	466	commit_sample_rate();
48888313 JH	467	}
48888313 JH	468
7c657094	469	void MainBar::on_run_stop()
9f3d12f3	470	{
b50ef520	471	commit_sample_count();
9f3d12f3	472	commit_sample_rate();
4e7f5ba8	473	main_window_.run_stop();
9f3d12f3 JH	474	}
9f3d12f3 JH	475
7c657094	476	void MainBar::on_config_changed()
82afd5e3 JH	477	{
	478	commit_sample_count();
	479	update_sample_count_selector();
	480	commit_sample_rate();
	481	update_sample_rate_selector();
	482	}
	483
7c657094	484	bool MainBar::eventFilter(QObject watched, QEvent event)
40065ab6	485	{
8dbbc7f0	486	if ((watched == &sample_count_ \|\| watched == &sample_rate_) &&
40065ab6	487	(event->type() == QEvent::ToolTip)) {
8dbbc7f0	488	double sec = (double)sample_count_.value() / sample_rate_.value();
40065ab6	489	QHelpEvent help_event = static_cast<QHelpEvent>(event);
62974f45 JS	490
62974f45 JS	491	QString str = tr("Total sampling time: %1").arg(pv::util::format_second(sec));
40065ab6 JS	492	QToolTip::showText(help_event->globalPos(), str);
	493
	494	return true;
	495	}
	496
	497	return false;
	498	}
	499
f4c92e1c	500	} // namespace toolbars
51e77110	501	} // namespace pv