[pulseview.git] / pv / views / decoder_output / view.cpp

/*
 * This file is part of the PulseView project.
 *
 * Copyright (C) 2019 Soeren Apel <soeren@apelpie.net>
 *
 * 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 <climits>

#include <QByteArray>
#include <QDebug>
#include <QFileDialog>
#include <QLabel>
#include <QMenu>
#include <QMessageBox>
#include <QToolBar>
#include <QVBoxLayout>

#include <libsigrokdecode/libsigrokdecode.h>

#include "view.hpp"
#include "QHexView.hpp"

#include "pv/globalsettings.hpp"
#include "pv/session.hpp"
#include "pv/util.hpp"
#include "pv/data/decode/decoder.hpp"

using pv::data::DecodeSignal;
using pv::data::SignalBase;
using pv::data::decode::Decoder;
using pv::util::Timestamp;

using std::shared_ptr;

namespace pv {
namespace views {
namespace decoder_output {

const char* SaveTypeNames[SaveTypeCount] = {
	"Binary",
	"Hex Dump, plain",
	"Hex Dump, with offset",
	"Hex Dump, complete"
};


View::View(Session &session, bool is_main_view, QMainWindow *parent) :
	ViewBase(session, is_main_view, parent),

	// Note: Place defaults in View::reset_view_state(), not here
	parent_(parent),
	decoder_selector_(new QComboBox()),
	format_selector_(new QComboBox()),
	class_selector_(new QComboBox()),
	stacked_widget_(new QStackedWidget()),
	hex_view_(new QHexView()),
	save_button_(new QToolButton()),
	save_action_(new QAction(this)),
	signal_(nullptr)
{
	QVBoxLayout *root_layout = new QVBoxLayout(this);
	root_layout->setContentsMargins(0, 0, 0, 0);

	// Create toolbar
	QToolBar* toolbar = new QToolBar();
	toolbar->setContextMenuPolicy(Qt::PreventContextMenu);
	parent->addToolBar(toolbar);

	// Populate toolbar
	toolbar->addWidget(new QLabel(tr("Decoder:")));
	toolbar->addWidget(decoder_selector_);
	toolbar->addWidget(class_selector_);
	toolbar->addSeparator();
	toolbar->addWidget(new QLabel(tr("Show data as")));
	toolbar->addWidget(format_selector_);
	toolbar->addSeparator();
	toolbar->addWidget(save_button_);

	// Add format types
	format_selector_->addItem(tr("Hexdump"), qVariantFromValue(QString("text/hexdump")));

	// Add widget stack
	root_layout->addWidget(stacked_widget_);
	stacked_widget_->addWidget(hex_view_);
	stacked_widget_->setCurrentIndex(0);

	connect(decoder_selector_, SIGNAL(currentIndexChanged(int)),
		this, SLOT(on_selected_decoder_changed(int)));
	connect(class_selector_, SIGNAL(currentIndexChanged(int)),
		this, SLOT(on_selected_class_changed(int)));

	// Configure widgets
	decoder_selector_->setSizeAdjustPolicy(QComboBox::AdjustToContents);
	class_selector_->setSizeAdjustPolicy(QComboBox::AdjustToContents);

	// Configure actions
	save_action_->setText(tr("&Save..."));
	save_action_->setIcon(QIcon::fromTheme("document-save-as",
		QIcon(":/icons/document-save-as.png")));
	save_action_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
	connect(save_action_, SIGNAL(triggered(bool)),
		this, SLOT(on_actionSave_triggered()));

	QMenu *save_menu = new QMenu();
	connect(save_menu, SIGNAL(triggered(QAction*)),
		this, SLOT(on_actionSave_triggered(QAction*)));

	for (int i = 0; i < SaveTypeCount; i++) {
		QAction *const action =	save_menu->addAction(tr(SaveTypeNames[i]));
		action->setData(qVariantFromValue(i));
	}

	save_button_->setMenu(save_menu);
	save_button_->setDefaultAction(save_action_);
	save_button_->setPopupMode(QToolButton::MenuButtonPopup);

	parent->setSizePolicy(hex_view_->sizePolicy()); // TODO Must be updated when selected widget changes

	reset_view_state();
}

ViewType View::get_type() const
{
	return ViewTypeDecoderOutput;
}

void View::reset_view_state()
{
	ViewBase::reset_view_state();

	decoder_selector_->clear();
	class_selector_->clear();
	format_selector_->setCurrentIndex(0);
	save_button_->setEnabled(false);

	hex_view_->clear();
}

void View::clear_decode_signals()
{
	ViewBase::clear_decode_signals();

	reset_data();
	reset_view_state();
}

void View::add_decode_signal(shared_ptr<data::DecodeSignal> signal)
{
	ViewBase::add_decode_signal(signal);

	connect(signal.get(), SIGNAL(name_changed(const QString&)),
		this, SLOT(on_signal_name_changed(const QString&)));
	connect(signal.get(), SIGNAL(decoder_stacked(void*)),
		this, SLOT(on_decoder_stacked(void*)));
	connect(signal.get(), SIGNAL(decoder_removed(void*)),
		this, SLOT(on_decoder_removed(void*)));

	// Add all decoders provided by this signal
	auto stack = signal->decoder_stack();
	if (stack.size() > 1) {
		for (const shared_ptr<Decoder>& dec : stack)
			// Only add the decoder if it has binary output
			if (dec->get_binary_class_count() > 0) {
				QString title = QString("%1 (%2)").arg(signal->name(), dec->name());
				decoder_selector_->addItem(title, QVariant::fromValue((void*)dec.get()));
			}
	} else
		if (!stack.empty()) {
			shared_ptr<Decoder>& dec = stack.at(0);
			if (dec->get_binary_class_count() > 0)
				decoder_selector_->addItem(signal->name(), QVariant::fromValue((void*)dec.get()));
		}
}

void View::remove_decode_signal(shared_ptr<data::DecodeSignal> signal)
{
	// Remove all decoders provided by this signal
	for (const shared_ptr<Decoder>& dec : signal->decoder_stack()) {
		int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get()));

		if (index != -1)
			decoder_selector_->removeItem(index);
	}

	ViewBase::remove_decode_signal(signal);

	if (signal.get() == signal_) {
		reset_data();
		update_data();
		reset_view_state();
	}
}

void View::save_settings(QSettings &settings) const
{
	(void)settings;
}

void View::restore_settings(QSettings &settings)
{
	// Note: It is assumed that this function is only called once,
	// immediately after restoring a previous session.
	(void)settings;
}

void View::reset_data()
{
	signal_ = nullptr;
	decoder_ = nullptr;
	bin_class_id_ = 0;
	binary_data_exists_ = false;

	hex_view_->clear();
}

void View::update_data()
{
	if (!signal_)
		return;

	const DecodeBinaryClass* bin_class =
		signal_->get_binary_data_class(current_segment_, decoder_, bin_class_id_);

	hex_view_->set_data(bin_class);

	if (!binary_data_exists_)
		return;

	if (!save_button_->isEnabled())
		save_button_->setEnabled(true);
}

void View::save_data() const
{
	assert(decoder_);
	assert(signal_);

	if (!signal_)
		return;

	GlobalSettings settings;
	const QString dir = settings.value("MainWindow/SaveDirectory").toString();

	const QString file_name = QFileDialog::getSaveFileName(
		parent_, tr("Save Binary Data"), dir, tr("Binary Data Files (*.bin);;All Files (*)"));

	if (file_name.isEmpty())
		return;

	QFile file(file_name);
	if (file.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
		pair<size_t, size_t> selection = hex_view_->get_selection();

		vector<uint8_t> data;
		signal_->get_merged_binary_data_chunks_by_offset(current_segment_, decoder_,
			bin_class_id_, selection.first, selection.second, &data);

		int64_t bytes_written = file.write((const char*)data.data(), data.size());

		if ((bytes_written == -1) || ((uint64_t)bytes_written != data.size())) {
			QMessageBox msg(parent_);
			msg.setText(tr("Error") + "\n\n" + tr("File %1 could not be written to.").arg(file_name));
			msg.setStandardButtons(QMessageBox::Ok);
			msg.setIcon(QMessageBox::Warning);
			msg.exec();
			return;
		}
	}
}

void View::save_data_as_hex_dump(bool with_offset, bool with_ascii) const
{
	assert(decoder_);
	assert(signal_);

	if (!signal_)
		return;

	GlobalSettings settings;
	const QString dir = settings.value("MainWindow/SaveDirectory").toString();

	const QString file_name = QFileDialog::getSaveFileName(
		parent_, tr("Save Binary Data"), dir, tr("Hex Dumps (*.txt);;All Files (*)"));

	if (file_name.isEmpty())
		return;

	QFile file(file_name);
	if (file.open(QIODevice::WriteOnly | QIODevice::Truncate | QIODevice::Text)) {
		pair<size_t, size_t> selection = hex_view_->get_selection();

		vector<uint8_t> data;
		signal_->get_merged_binary_data_chunks_by_offset(current_segment_, decoder_,
			bin_class_id_, selection.first, selection.second, &data);

		QTextStream out_stream(&file);

		uint64_t offset = selection.first;
		uint64_t n = hex_view_->get_bytes_per_line();
		QString s;

		while (offset < selection.second) {
			size_t end = std::min((uint64_t)(selection.second), offset + n);
			offset = hex_view_->create_hex_line(offset, end, &s, with_offset, with_ascii);
			out_stream << s << endl;
		}

		out_stream << endl;

		if (out_stream.status() != QTextStream::Ok) {
			QMessageBox msg(parent_);
			msg.setText(tr("Error") + "\n\n" + tr("File %1 could not be written to.").arg(file_name));
			msg.setStandardButtons(QMessageBox::Ok);
			msg.setIcon(QMessageBox::Warning);
			msg.exec();
			return;
		}
	}
}

void View::on_selected_decoder_changed(int index)
{
	if (signal_)
		disconnect(signal_, SIGNAL(new_binary_data(unsigned int, void*, unsigned int)));

	reset_data();

	decoder_ = (Decoder*)decoder_selector_->itemData(index).value<void*>();

	// Find the signal that contains the selected decoder
	for (const shared_ptr<DecodeSignal>& ds : decode_signals_)
		for (const shared_ptr<Decoder>& dec : ds->decoder_stack())
			if (decoder_ == dec.get())
				signal_ = ds.get();

	class_selector_->clear();

	if (signal_) {
		// Populate binary class selector
		uint32_t bin_classes = decoder_->get_binary_class_count();
		for (uint32_t i = 0; i < bin_classes; i++) {
			const data::decode::DecodeBinaryClassInfo* class_info = decoder_->get_binary_class(i);
			class_selector_->addItem(class_info->description, QVariant::fromValue(i));
		}

		connect(signal_, SIGNAL(new_binary_data(unsigned int, void*, unsigned int)),
			this, SLOT(on_new_binary_data(unsigned int, void*, unsigned int)));
	}

	update_data();
}

void View::on_selected_class_changed(int index)
{
	bin_class_id_ = class_selector_->itemData(index).value<uint32_t>();

	binary_data_exists_ =
		signal_->get_binary_data_chunk_count(current_segment_, decoder_, bin_class_id_);

	update_data();
}

void View::on_signal_name_changed(const QString &name)
{
	(void)name;

	SignalBase* sb = qobject_cast<SignalBase*>(QObject::sender());
	assert(sb);

	DecodeSignal* signal = dynamic_cast<DecodeSignal*>(sb);
	assert(signal);

	// Update all decoder entries provided by this signal
	auto stack = signal->decoder_stack();
	if (stack.size() > 1) {
		for (const shared_ptr<Decoder>& dec : stack) {
			QString title = QString("%1 (%2)").arg(signal->name(), dec->name());
			int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get()));

			if (index != -1)
				decoder_selector_->setItemText(index, title);
		}
	} else
		if (!stack.empty()) {
			shared_ptr<Decoder>& dec = stack.at(0);
			int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get()));

			if (index != -1)
				decoder_selector_->setItemText(index, signal->name());
		}
}

void View::on_new_binary_data(unsigned int segment_id, void* decoder, unsigned int bin_class_id)
{
	if ((segment_id == current_segment_) && (decoder == decoder_) && (bin_class_id == bin_class_id_))
		if (!delayed_view_updater_.isActive())
			delayed_view_updater_.start();
}

void View::on_decoder_stacked(void* decoder)
{
	// TODO This doesn't change existing entries for the same signal - but it should as the naming scheme may change

	Decoder* d = static_cast<Decoder*>(decoder);

	// Only add the decoder if it has binary output
	if (d->get_binary_class_count() == 0)
		return;

	// Find the signal that contains the selected decoder
	DecodeSignal* signal = nullptr;

	for (const shared_ptr<DecodeSignal>& ds : decode_signals_)
		for (const shared_ptr<Decoder>& dec : ds->decoder_stack())
			if (d == dec.get())
				signal = ds.get();

	assert(signal);

	// Add the decoder to the list
	QString title = QString("%1 (%2)").arg(signal->name(), d->name());
	decoder_selector_->addItem(title, QVariant::fromValue((void*)d));
}

void View::on_decoder_removed(void* decoder)
{
	Decoder* d = static_cast<Decoder*>(decoder);

	// Remove the decoder from the list
	int index = decoder_selector_->findData(QVariant::fromValue((void*)d));

	if (index != -1)
		decoder_selector_->removeItem(index);
}

void View::on_actionSave_triggered(QAction* action)
{
	int save_type = SaveTypeBinary;
	if (action)
		save_type = action->data().toInt();

	switch (save_type)
	{
	case SaveTypeBinary: save_data(); break;
	case SaveTypeHexDumpPlain: save_data_as_hex_dump(false, false); break;
	case SaveTypeHexDumpWithOffset: save_data_as_hex_dump(true, false); break;
	case SaveTypeHexDumpComplete: save_data_as_hex_dump(true, true); break;
	}
}

void View::perform_delayed_view_update()
{
	if (!binary_data_exists_)
		if (signal_->get_binary_data_chunk_count(current_segment_, decoder_, bin_class_id_))
			binary_data_exists_ = true;

	update_data();
}


} // namespace decoder_output
} // namespace views
} // namespace pv
Commit	Line	Data
	1	/*
	2	* This file is part of the PulseView project.
	3	*
	4	* Copyright (C) 2019 Soeren Apel <soeren@apelpie.net>
	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, see <http://www.gnu.org/licenses/>.
	18	*/
	19
	20	#include <climits>
	21
	22	#include <QByteArray>
	23	#include <QDebug>
	24	#include <QFileDialog>
	25	#include <QLabel>
	26	#include <QMenu>
	27	#include <QMessageBox>
	28	#include <QToolBar>
	29	#include <QVBoxLayout>
	30
	31	#include <libsigrokdecode/libsigrokdecode.h>
	32
	33	#include "view.hpp"
	34	#include "QHexView.hpp"
	35
	36	#include "pv/globalsettings.hpp"
	37	#include "pv/session.hpp"
	38	#include "pv/util.hpp"
	39	#include "pv/data/decode/decoder.hpp"
	40
	41	using pv::data::DecodeSignal;
	42	using pv::data::SignalBase;
	43	using pv::data::decode::Decoder;
	44	using pv::util::Timestamp;
	45
	46	using std::shared_ptr;
	47
	48	namespace pv {
	49	namespace views {
	50	namespace decoder_output {
	51
	52	const char* SaveTypeNames[SaveTypeCount] = {
	53	"Binary",
	54	"Hex Dump, plain",
	55	"Hex Dump, with offset",
	56	"Hex Dump, complete"
	57	};
	58
	59
	60	View::View(Session &session, bool is_main_view, QMainWindow *parent) :
	61	ViewBase(session, is_main_view, parent),
	62
	63	// Note: Place defaults in View::reset_view_state(), not here
	64	parent_(parent),
	65	decoder_selector_(new QComboBox()),
	66	format_selector_(new QComboBox()),
	67	class_selector_(new QComboBox()),
	68	stacked_widget_(new QStackedWidget()),
	69	hex_view_(new QHexView()),
	70	save_button_(new QToolButton()),
	71	save_action_(new QAction(this)),
	72	signal_(nullptr)
	73	{
	74	QVBoxLayout *root_layout = new QVBoxLayout(this);
	75	root_layout->setContentsMargins(0, 0, 0, 0);
	76
	77	// Create toolbar
	78	QToolBar* toolbar = new QToolBar();
	79	toolbar->setContextMenuPolicy(Qt::PreventContextMenu);
	80	parent->addToolBar(toolbar);
	81
	82	// Populate toolbar
	83	toolbar->addWidget(new QLabel(tr("Decoder:")));
	84	toolbar->addWidget(decoder_selector_);
	85	toolbar->addWidget(class_selector_);
	86	toolbar->addSeparator();
	87	toolbar->addWidget(new QLabel(tr("Show data as")));
	88	toolbar->addWidget(format_selector_);
	89	toolbar->addSeparator();
	90	toolbar->addWidget(save_button_);
	91
	92	// Add format types
	93	format_selector_->addItem(tr("Hexdump"), qVariantFromValue(QString("text/hexdump")));
	94
	95	// Add widget stack
	96	root_layout->addWidget(stacked_widget_);
	97	stacked_widget_->addWidget(hex_view_);
	98	stacked_widget_->setCurrentIndex(0);
	99
	100	connect(decoder_selector_, SIGNAL(currentIndexChanged(int)),
	101	this, SLOT(on_selected_decoder_changed(int)));
	102	connect(class_selector_, SIGNAL(currentIndexChanged(int)),
	103	this, SLOT(on_selected_class_changed(int)));
	104
	105	// Configure widgets
	106	decoder_selector_->setSizeAdjustPolicy(QComboBox::AdjustToContents);
	107	class_selector_->setSizeAdjustPolicy(QComboBox::AdjustToContents);
	108
	109	// Configure actions
	110	save_action_->setText(tr("&Save..."));
	111	save_action_->setIcon(QIcon::fromTheme("document-save-as",
	112	QIcon(":/icons/document-save-as.png")));
	113	save_action_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
	114	connect(save_action_, SIGNAL(triggered(bool)),
	115	this, SLOT(on_actionSave_triggered()));
	116
	117	QMenu *save_menu = new QMenu();
	118	connect(save_menu, SIGNAL(triggered(QAction*)),
	119	this, SLOT(on_actionSave_triggered(QAction*)));
	120
	121	for (int i = 0; i < SaveTypeCount; i++) {
	122	QAction *const action = save_menu->addAction(tr(SaveTypeNames[i]));
	123	action->setData(qVariantFromValue(i));
	124	}
	125
	126	save_button_->setMenu(save_menu);
	127	save_button_->setDefaultAction(save_action_);
	128	save_button_->setPopupMode(QToolButton::MenuButtonPopup);
	129
	130	parent->setSizePolicy(hex_view_->sizePolicy()); // TODO Must be updated when selected widget changes
	131
	132	reset_view_state();
	133	}
	134
	135	ViewType View::get_type() const
	136	{
	137	return ViewTypeDecoderOutput;
	138	}
	139
	140	void View::reset_view_state()
	141	{
	142	ViewBase::reset_view_state();
	143
	144	decoder_selector_->clear();
	145	class_selector_->clear();
	146	format_selector_->setCurrentIndex(0);
	147	save_button_->setEnabled(false);
	148
	149	hex_view_->clear();
	150	}
	151
	152	void View::clear_decode_signals()
	153	{
	154	ViewBase::clear_decode_signals();
	155
	156	reset_data();
	157	reset_view_state();
	158	}
	159
	160	void View::add_decode_signal(shared_ptr<data::DecodeSignal> signal)
	161	{
	162	ViewBase::add_decode_signal(signal);
	163
	164	connect(signal.get(), SIGNAL(name_changed(const QString&)),
	165	this, SLOT(on_signal_name_changed(const QString&)));
	166	connect(signal.get(), SIGNAL(decoder_stacked(void*)),
	167	this, SLOT(on_decoder_stacked(void*)));
	168	connect(signal.get(), SIGNAL(decoder_removed(void*)),
	169	this, SLOT(on_decoder_removed(void*)));
	170
	171	// Add all decoders provided by this signal
	172	auto stack = signal->decoder_stack();
	173	if (stack.size() > 1) {
	174	for (const shared_ptr<Decoder>& dec : stack)
	175	// Only add the decoder if it has binary output
	176	if (dec->get_binary_class_count() > 0) {
	177	QString title = QString("%1 (%2)").arg(signal->name(), dec->name());
	178	decoder_selector_->addItem(title, QVariant::fromValue((void*)dec.get()));
	179	}
	180	} else
	181	if (!stack.empty()) {
	182	shared_ptr<Decoder>& dec = stack.at(0);
	183	if (dec->get_binary_class_count() > 0)
	184	decoder_selector_->addItem(signal->name(), QVariant::fromValue((void*)dec.get()));
	185	}
	186	}
	187
	188	void View::remove_decode_signal(shared_ptr<data::DecodeSignal> signal)
	189	{
	190	// Remove all decoders provided by this signal
	191	for (const shared_ptr<Decoder>& dec : signal->decoder_stack()) {
	192	int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get()));
	193
	194	if (index != -1)
	195	decoder_selector_->removeItem(index);
	196	}
	197
	198	ViewBase::remove_decode_signal(signal);
	199
	200	if (signal.get() == signal_) {
	201	reset_data();
	202	update_data();
	203	reset_view_state();
	204	}
	205	}
	206
	207	void View::save_settings(QSettings &settings) const
	208	{
	209	(void)settings;
	210	}
	211
	212	void View::restore_settings(QSettings &settings)
	213	{
	214	// Note: It is assumed that this function is only called once,
	215	// immediately after restoring a previous session.
	216	(void)settings;
	217	}
	218
	219	void View::reset_data()
	220	{
	221	signal_ = nullptr;
	222	decoder_ = nullptr;
	223	bin_class_id_ = 0;
	224	binary_data_exists_ = false;
	225
	226	hex_view_->clear();
	227	}
	228
	229	void View::update_data()
	230	{
	231	if (!signal_)
	232	return;
	233
	234	const DecodeBinaryClass* bin_class =
	235	signal_->get_binary_data_class(current_segment_, decoder_, bin_class_id_);
	236
	237	hex_view_->set_data(bin_class);
	238
	239	if (!binary_data_exists_)
	240	return;
	241
	242	if (!save_button_->isEnabled())
	243	save_button_->setEnabled(true);
	244	}
	245
	246	void View::save_data() const
	247	{
	248	assert(decoder_);
	249	assert(signal_);
	250
	251	if (!signal_)
	252	return;
	253
	254	GlobalSettings settings;
	255	const QString dir = settings.value("MainWindow/SaveDirectory").toString();
	256
	257	const QString file_name = QFileDialog::getSaveFileName(
	258	parent_, tr("Save Binary Data"), dir, tr("Binary Data Files (.bin);;All Files ()"));
	259
	260	if (file_name.isEmpty())
	261	return;
	262
	263	QFile file(file_name);
	264	if (file.open(QIODevice::WriteOnly \| QIODevice::Truncate)) {
	265	pair<size_t, size_t> selection = hex_view_->get_selection();
	266
	267	vector<uint8_t> data;
	268	signal_->get_merged_binary_data_chunks_by_offset(current_segment_, decoder_,
	269	bin_class_id_, selection.first, selection.second, &data);
	270
	271	int64_t bytes_written = file.write((const char*)data.data(), data.size());
	272
	273	if ((bytes_written == -1) \|\| ((uint64_t)bytes_written != data.size())) {
	274	QMessageBox msg(parent_);
	275	msg.setText(tr("Error") + "\n\n" + tr("File %1 could not be written to.").arg(file_name));
	276	msg.setStandardButtons(QMessageBox::Ok);
	277	msg.setIcon(QMessageBox::Warning);
	278	msg.exec();
	279	return;
	280	}
	281	}
	282	}
	283
	284	void View::save_data_as_hex_dump(bool with_offset, bool with_ascii) const
	285	{
	286	assert(decoder_);
	287	assert(signal_);
	288
	289	if (!signal_)
	290	return;
	291
	292	GlobalSettings settings;
	293	const QString dir = settings.value("MainWindow/SaveDirectory").toString();
	294
	295	const QString file_name = QFileDialog::getSaveFileName(
	296	parent_, tr("Save Binary Data"), dir, tr("Hex Dumps (.txt);;All Files ()"));
	297
	298	if (file_name.isEmpty())
	299	return;
	300
	301	QFile file(file_name);
	302	if (file.open(QIODevice::WriteOnly \| QIODevice::Truncate \| QIODevice::Text)) {
	303	pair<size_t, size_t> selection = hex_view_->get_selection();
	304
	305	vector<uint8_t> data;
	306	signal_->get_merged_binary_data_chunks_by_offset(current_segment_, decoder_,
	307	bin_class_id_, selection.first, selection.second, &data);
	308
	309	QTextStream out_stream(&file);
	310
	311	uint64_t offset = selection.first;
	312	uint64_t n = hex_view_->get_bytes_per_line();
	313	QString s;
	314
	315	while (offset < selection.second) {
	316	size_t end = std::min((uint64_t)(selection.second), offset + n);
	317	offset = hex_view_->create_hex_line(offset, end, &s, with_offset, with_ascii);
	318	out_stream << s << endl;
	319	}
	320
	321	out_stream << endl;
	322
	323	if (out_stream.status() != QTextStream::Ok) {
	324	QMessageBox msg(parent_);
	325	msg.setText(tr("Error") + "\n\n" + tr("File %1 could not be written to.").arg(file_name));
	326	msg.setStandardButtons(QMessageBox::Ok);
	327	msg.setIcon(QMessageBox::Warning);
	328	msg.exec();
	329	return;
	330	}
	331	}
	332	}
	333
	334	void View::on_selected_decoder_changed(int index)
	335	{
	336	if (signal_)
	337	disconnect(signal_, SIGNAL(new_binary_data(unsigned int, void*, unsigned int)));
	338
	339	reset_data();
	340
	341	decoder_ = (Decoder)decoder_selector_->itemData(index).value<void>();
	342
	343	// Find the signal that contains the selected decoder
	344	for (const shared_ptr<DecodeSignal>& ds : decode_signals_)
	345	for (const shared_ptr<Decoder>& dec : ds->decoder_stack())
	346	if (decoder_ == dec.get())
	347	signal_ = ds.get();
	348
	349	class_selector_->clear();
	350
	351	if (signal_) {
	352	// Populate binary class selector
	353	uint32_t bin_classes = decoder_->get_binary_class_count();
	354	for (uint32_t i = 0; i < bin_classes; i++) {
	355	const data::decode::DecodeBinaryClassInfo* class_info = decoder_->get_binary_class(i);
	356	class_selector_->addItem(class_info->description, QVariant::fromValue(i));
	357	}
	358
	359	connect(signal_, SIGNAL(new_binary_data(unsigned int, void*, unsigned int)),
	360	this, SLOT(on_new_binary_data(unsigned int, void*, unsigned int)));
	361	}
	362
	363	update_data();
	364	}
	365
	366	void View::on_selected_class_changed(int index)
	367	{
	368	bin_class_id_ = class_selector_->itemData(index).value<uint32_t>();
	369
	370	binary_data_exists_ =
	371	signal_->get_binary_data_chunk_count(current_segment_, decoder_, bin_class_id_);
	372
	373	update_data();
	374	}
	375
	376	void View::on_signal_name_changed(const QString &name)
	377	{
	378	(void)name;
	379
	380	SignalBase* sb = qobject_cast<SignalBase*>(QObject::sender());
	381	assert(sb);
	382
	383	DecodeSignal* signal = dynamic_cast<DecodeSignal*>(sb);
	384	assert(signal);
	385
	386	// Update all decoder entries provided by this signal
	387	auto stack = signal->decoder_stack();
	388	if (stack.size() > 1) {
	389	for (const shared_ptr<Decoder>& dec : stack) {
	390	QString title = QString("%1 (%2)").arg(signal->name(), dec->name());
	391	int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get()));
	392
	393	if (index != -1)
	394	decoder_selector_->setItemText(index, title);
	395	}
	396	} else
	397	if (!stack.empty()) {
	398	shared_ptr<Decoder>& dec = stack.at(0);
	399	int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get()));
	400
	401	if (index != -1)
	402	decoder_selector_->setItemText(index, signal->name());
	403	}
	404	}
	405
	406	void View::on_new_binary_data(unsigned int segment_id, void* decoder, unsigned int bin_class_id)
	407	{
	408	if ((segment_id == current_segment_) && (decoder == decoder_) && (bin_class_id == bin_class_id_))
	409	if (!delayed_view_updater_.isActive())
	410	delayed_view_updater_.start();
	411	}
	412
	413	void View::on_decoder_stacked(void* decoder)
	414	{
	415	// TODO This doesn't change existing entries for the same signal - but it should as the naming scheme may change
	416
	417	Decoder* d = static_cast<Decoder*>(decoder);
	418
	419	// Only add the decoder if it has binary output
	420	if (d->get_binary_class_count() == 0)
	421	return;
	422
	423	// Find the signal that contains the selected decoder
	424	DecodeSignal* signal = nullptr;
	425
	426	for (const shared_ptr<DecodeSignal>& ds : decode_signals_)
	427	for (const shared_ptr<Decoder>& dec : ds->decoder_stack())
	428	if (d == dec.get())
	429	signal = ds.get();
	430
	431	assert(signal);
	432
	433	// Add the decoder to the list
	434	QString title = QString("%1 (%2)").arg(signal->name(), d->name());
	435	decoder_selector_->addItem(title, QVariant::fromValue((void*)d));
	436	}
	437
	438	void View::on_decoder_removed(void* decoder)
	439	{
	440	Decoder* d = static_cast<Decoder*>(decoder);
	441
	442	// Remove the decoder from the list
	443	int index = decoder_selector_->findData(QVariant::fromValue((void*)d));
	444
	445	if (index != -1)
	446	decoder_selector_->removeItem(index);
	447	}
	448
	449	void View::on_actionSave_triggered(QAction* action)
	450	{
	451	int save_type = SaveTypeBinary;
	452	if (action)
	453	save_type = action->data().toInt();
	454
	455	switch (save_type)
	456	{
	457	case SaveTypeBinary: save_data(); break;
	458	case SaveTypeHexDumpPlain: save_data_as_hex_dump(false, false); break;
	459	case SaveTypeHexDumpWithOffset: save_data_as_hex_dump(true, false); break;
	460	case SaveTypeHexDumpComplete: save_data_as_hex_dump(true, true); break;
	461	}
	462	}
	463
	464	void View::perform_delayed_view_update()
	465	{
	466	if (!binary_data_exists_)
	467	if (signal_->get_binary_data_chunk_count(current_segment_, decoder_, bin_class_id_))
	468	binary_data_exists_ = true;
	469
	470	update_data();
	471	}
	472
	473
	474	} // namespace decoder_output
	475	} // namespace views
	476	} // namespace pv