[pulseview.git] / pv / views / decoder_binary / 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_binary {

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


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 ViewTypeDecoderBinary;
}

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
{
	ViewBase::save_settings(settings);
}

void View::restore_settings(QSettings &settings)
{
	// Note: It is assumed that this function is only called once,
	// immediately after restoring a previous session.
	ViewBase::restore_settings(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;
		data.resize(selection.second - selection.first + 1);

		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;
		data.resize(selection.second - selection.first + 1);

		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_) ?
		signal_->get_binary_data_chunk_count(current_segment_, decoder_, bin_class_id_) :
		false;

	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 (signal_ && !binary_data_exists_)
		if (signal_->get_binary_data_chunk_count(current_segment_, decoder_, bin_class_id_))
			binary_data_exists_ = true;

	update_data();
}


} // namespace decoder_binary
} // namespace views
} // namespace pv
Commit	Line	Data
2bdc5796 SA	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
4b97fe09	20	#include <climits>
2bdc5796	21
4b97fe09 SA	22	#include <QByteArray>
4b97fe09 SA	23	#include <QDebug>
13b726cd	24	#include <QFileDialog>
bdbc561f	25	#include <QLabel>
2bdc5796	26	#include <QMenu>
13b726cd	27	#include <QMessageBox>
a24412db	28	#include <QToolBar>
2bdc5796 SA	29	#include <QVBoxLayout>
2bdc5796 SA	30
4b97fe09 SA	31	#include <libsigrokdecode/libsigrokdecode.h>
4b97fe09 SA	32
2bdc5796	33	#include "view.hpp"
560f8377	34	#include "QHexView.hpp"
2bdc5796	35
13b726cd	36	#include "pv/globalsettings.hpp"
2bdc5796 SA	37	#include "pv/session.hpp"
2bdc5796 SA	38	#include "pv/util.hpp"
e77de61f	39	#include "pv/data/decode/decoder.hpp"
2bdc5796	40
4b97fe09	41	using pv::data::DecodeSignal;
bdbc561f	42	using pv::data::SignalBase;
e77de61f	43	using pv::data::decode::Decoder;
2bdc5796 SA	44	using pv::util::Timestamp;
	45
	46	using std::shared_ptr;
	47
	48	namespace pv {
	49	namespace views {
121307b3	50	namespace decoder_binary {
2bdc5796	51
03408f5f SA	52	const char* SaveTypeNames[SaveTypeCount] = {
03408f5f SA	53	"Binary",
d5645564 SA	54	"Hex Dump, plain",
d5645564 SA	55	"Hex Dump, with offset",
7a8a02ca	56	"Hex Dump, canonical"
03408f5f SA	57	};
	58
	59
a24412db	60	View::View(Session &session, bool is_main_view, QMainWindow *parent) :
bdbc561f	61	ViewBase(session, is_main_view, parent),
2bdc5796 SA	62
2bdc5796 SA	63	// Note: Place defaults in View::reset_view_state(), not here
6961eab0	64	parent_(parent),
e77de61f	65	decoder_selector_(new QComboBox()),
560f8377	66	format_selector_(new QComboBox()),
e77de61f	67	class_selector_(new QComboBox()),
560f8377	68	stacked_widget_(new QStackedWidget()),
4b97fe09	69	hex_view_(new QHexView()),
03408f5f SA	70	save_button_(new QToolButton()),
03408f5f SA	71	save_action_(new QAction(this)),
628b45cc	72	signal_(nullptr)
2bdc5796 SA	73	{
	74	QVBoxLayout *root_layout = new QVBoxLayout(this);
	75	root_layout->setContentsMargins(0, 0, 0, 0);
	76
bdbc561f SA	77	// Create toolbar
	78	QToolBar* toolbar = new QToolBar();
	79	toolbar->setContextMenuPolicy(Qt::PreventContextMenu);
	80	parent->addToolBar(toolbar);
a24412db	81
bdbc561f SA	82	// Populate toolbar
bdbc561f SA	83	toolbar->addWidget(new QLabel(tr("Decoder:")));
e77de61f SA	84	toolbar->addWidget(decoder_selector_);
e77de61f SA	85	toolbar->addWidget(class_selector_);
861ab3a4 SA	86	toolbar->addSeparator();
	87	toolbar->addWidget(new QLabel(tr("Show data as")));
	88	toolbar->addWidget(format_selector_);
03408f5f SA	89	toolbar->addSeparator();
03408f5f SA	90	toolbar->addWidget(save_button_);
861ab3a4 SA	91
	92	// Add format types
	93	format_selector_->addItem(tr("Hexdump"), qVariantFromValue(QString("text/hexdump")));
a24412db	94
560f8377 SA	95	// Add widget stack
	96	root_layout->addWidget(stacked_widget_);
	97	stacked_widget_->addWidget(hex_view_);
4b97fe09 SA	98	stacked_widget_->setCurrentIndex(0);
4b97fe09 SA	99
e77de61f SA	100	connect(decoder_selector_, SIGNAL(currentIndexChanged(int)),
e77de61f SA	101	this, SLOT(on_selected_decoder_changed(int)));
b2b18d3a SA	102	connect(class_selector_, SIGNAL(currentIndexChanged(int)),
b2b18d3a SA	103	this, SLOT(on_selected_class_changed(int)));
4b97fe09	104
a13d836f SA	105	// Configure widgets
	106	decoder_selector_->setSizeAdjustPolicy(QComboBox::AdjustToContents);
	107	class_selector_->setSizeAdjustPolicy(QComboBox::AdjustToContents);
	108
03408f5f SA	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
6961eab0 SA	130	parent->setSizePolicy(hex_view_->sizePolicy()); // TODO Must be updated when selected widget changes
6961eab0 SA	131
2bdc5796 SA	132	reset_view_state();
	133	}
	134
db298158 SA	135	ViewType View::get_type() const
db298158 SA	136	{
121307b3	137	return ViewTypeDecoderBinary;
db298158 SA	138	}
db298158 SA	139
2bdc5796 SA	140	void View::reset_view_state()
	141	{
	142	ViewBase::reset_view_state();
2bdc5796	143
03408f5f SA	144	decoder_selector_->clear();
	145	class_selector_->clear();
	146	format_selector_->setCurrentIndex(0);
	147	save_button_->setEnabled(false);
	148
	149	hex_view_->clear();
2bdc5796 SA	150	}
	151
	152	void View::clear_decode_signals()
	153	{
e77de61f SA	154	ViewBase::clear_decode_signals();
e77de61f SA	155
03408f5f SA	156	reset_data();
03408f5f SA	157	reset_view_state();
2bdc5796 SA	158	}
	159
	160	void View::add_decode_signal(shared_ptr<data::DecodeSignal> signal)
	161	{
e77de61f SA	162	ViewBase::add_decode_signal(signal);
e77de61f SA	163
2bdc5796	164	connect(signal.get(), SIGNAL(name_changed(const QString&)),
bdbc561f	165	this, SLOT(on_signal_name_changed(const QString&)));
e77de61f SA	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) {
b2b18d3a SA	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	}
e77de61f SA	180	} else
	181	if (!stack.empty()) {
	182	shared_ptr<Decoder>& dec = stack.at(0);
b2b18d3a SA	183	if (dec->get_binary_class_count() > 0)
b2b18d3a SA	184	decoder_selector_->addItem(signal->name(), QVariant::fromValue((void*)dec.get()));
e77de61f	185	}
2bdc5796 SA	186	}
	187
	188	void View::remove_decode_signal(shared_ptr<data::DecodeSignal> signal)
	189	{
e77de61f SA	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()));
bdbc561f	193
e77de61f SA	194	if (index != -1)
	195	decoder_selector_->removeItem(index);
	196	}
	197
	198	ViewBase::remove_decode_signal(signal);
4b97fe09 SA	199
4b97fe09 SA	200	if (signal.get() == signal_) {
03408f5f	201	reset_data();
4b97fe09	202	update_data();
03408f5f	203	reset_view_state();
4b97fe09	204	}
2bdc5796 SA	205	}
	206
	207	void View::save_settings(QSettings &settings) const
	208	{
24d69d27	209	ViewBase::save_settings(settings);
2bdc5796 SA	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.
24d69d27	216	ViewBase::restore_settings(settings);
2bdc5796 SA	217	}
2bdc5796 SA	218
03408f5f SA	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
4b97fe09 SA	229	void View::update_data()
4b97fe09 SA	230	{
03408f5f	231	if (!signal_)
4b97fe09	232	return;
4b97fe09	233
628b45cc SA	234	const DecodeBinaryClass* bin_class =
628b45cc SA	235	signal_->get_binary_data_class(current_segment_, decoder_, bin_class_id_);
b2b18d3a	236
d5645564	237	hex_view_->set_data(bin_class);
13b726cd	238
ff9f0baf SA	239	if (!binary_data_exists_)
	240	return;
	241
13b726cd SA	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;
e094bcb2 SA	268	data.resize(selection.second - selection.first + 1);
e094bcb2 SA	269
13b726cd SA	270	signal_->get_merged_binary_data_chunks_by_offset(current_segment_, decoder_,
	271	bin_class_id_, selection.first, selection.second, &data);
	272
	273	int64_t bytes_written = file.write((const char*)data.data(), data.size());
	274
	275	if ((bytes_written == -1) \|\| ((uint64_t)bytes_written != data.size())) {
	276	QMessageBox msg(parent_);
	277	msg.setText(tr("Error") + "\n\n" + tr("File %1 could not be written to.").arg(file_name));
	278	msg.setStandardButtons(QMessageBox::Ok);
	279	msg.setIcon(QMessageBox::Warning);
	280	msg.exec();
	281	return;
	282	}
	283	}
	284	}
	285
d5645564	286	void View::save_data_as_hex_dump(bool with_offset, bool with_ascii) const
13b726cd	287	{
d5645564 SA	288	assert(decoder_);
	289	assert(signal_);
	290
	291	if (!signal_)
	292	return;
	293
	294	GlobalSettings settings;
	295	const QString dir = settings.value("MainWindow/SaveDirectory").toString();
	296
	297	const QString file_name = QFileDialog::getSaveFileName(
	298	parent_, tr("Save Binary Data"), dir, tr("Hex Dumps (.txt);;All Files ()"));
	299
	300	if (file_name.isEmpty())
	301	return;
	302
	303	QFile file(file_name);
	304	if (file.open(QIODevice::WriteOnly \| QIODevice::Truncate \| QIODevice::Text)) {
	305	pair<size_t, size_t> selection = hex_view_->get_selection();
	306
	307	vector<uint8_t> data;
e094bcb2 SA	308	data.resize(selection.second - selection.first + 1);
e094bcb2 SA	309
d5645564 SA	310	signal_->get_merged_binary_data_chunks_by_offset(current_segment_, decoder_,
	311	bin_class_id_, selection.first, selection.second, &data);
	312
	313	QTextStream out_stream(&file);
	314
	315	uint64_t offset = selection.first;
44b2b6b7	316	uint64_t n = hex_view_->get_bytes_per_line();
d5645564	317	QString s;
13b726cd	318
d5645564	319	while (offset < selection.second) {
44b2b6b7	320	size_t end = std::min((uint64_t)(selection.second), offset + n);
d5645564 SA	321	offset = hex_view_->create_hex_line(offset, end, &s, with_offset, with_ascii);
	322	out_stream << s << endl;
	323	}
	324
	325	out_stream << endl;
	326
	327	if (out_stream.status() != QTextStream::Ok) {
	328	QMessageBox msg(parent_);
	329	msg.setText(tr("Error") + "\n\n" + tr("File %1 could not be written to.").arg(file_name));
	330	msg.setStandardButtons(QMessageBox::Ok);
	331	msg.setIcon(QMessageBox::Warning);
	332	msg.exec();
	333	return;
	334	}
	335	}
4b97fe09 SA	336	}
4b97fe09 SA	337
e77de61f	338	void View::on_selected_decoder_changed(int index)
4b97fe09 SA	339	{
4b97fe09 SA	340	if (signal_)
b2b18d3a	341	disconnect(signal_, SIGNAL(new_binary_data(unsigned int, void*, unsigned int)));
4b97fe09	342
03408f5f SA	343	reset_data();
03408f5f SA	344
e77de61f SA	345	decoder_ = (Decoder)decoder_selector_->itemData(index).value<void>();
	346
	347	// Find the signal that contains the selected decoder
b2b18d3a SA	348	for (const shared_ptr<DecodeSignal>& ds : decode_signals_)
	349	for (const shared_ptr<Decoder>& dec : ds->decoder_stack())
	350	if (decoder_ == dec.get())
	351	signal_ = ds.get();
e77de61f	352
b2b18d3a SA	353	class_selector_->clear();
	354
	355	if (signal_) {
	356	// Populate binary class selector
ac9494ef SA	357	uint32_t bin_classes = decoder_->get_binary_class_count();
ac9494ef SA	358	for (uint32_t i = 0; i < bin_classes; i++) {
b2b18d3a	359	const data::decode::DecodeBinaryClassInfo* class_info = decoder_->get_binary_class(i);
cbf428c2	360	class_selector_->addItem(class_info->description, QVariant::fromValue(i));
b2b18d3a SA	361	}
	362
	363	connect(signal_, SIGNAL(new_binary_data(unsigned int, void*, unsigned int)),
	364	this, SLOT(on_new_binary_data(unsigned int, void*, unsigned int)));
e77de61f	365	}
4b97fe09	366
b2b18d3a SA	367	update_data();
	368	}
	369
	370	void View::on_selected_class_changed(int index)
	371	{
ac9494ef	372	bin_class_id_ = class_selector_->itemData(index).value<uint32_t>();
e77de61f	373
f95b1d81 SA	374	binary_data_exists_ = (signal_) ?
	375	signal_->get_binary_data_chunk_count(current_segment_, decoder_, bin_class_id_) :
	376	false;
03408f5f	377
e77de61f	378	update_data();
4b97fe09 SA	379	}
4b97fe09 SA	380
bdbc561f	381	void View::on_signal_name_changed(const QString &name)
2bdc5796	382	{
e77de61f SA	383	(void)name;
	384
	385	SignalBase* sb = qobject_cast<SignalBase*>(QObject::sender());
bdbc561f SA	386	assert(sb);
bdbc561f SA	387
e77de61f SA	388	DecodeSignal* signal = dynamic_cast<DecodeSignal*>(sb);
	389	assert(signal);
	390
	391	// Update all decoder entries provided by this signal
	392	auto stack = signal->decoder_stack();
	393	if (stack.size() > 1) {
	394	for (const shared_ptr<Decoder>& dec : stack) {
	395	QString title = QString("%1 (%2)").arg(signal->name(), dec->name());
	396	int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get()));
	397
	398	if (index != -1)
	399	decoder_selector_->setItemText(index, title);
	400	}
	401	} else
	402	if (!stack.empty()) {
	403	shared_ptr<Decoder>& dec = stack.at(0);
	404	int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get()));
	405
	406	if (index != -1)
	407	decoder_selector_->setItemText(index, signal->name());
	408	}
2bdc5796 SA	409	}
2bdc5796 SA	410
b2b18d3a	411	void View::on_new_binary_data(unsigned int segment_id, void* decoder, unsigned int bin_class_id)
4b97fe09	412	{
b2b18d3a	413	if ((segment_id == current_segment_) && (decoder == decoder_) && (bin_class_id == bin_class_id_))
516d2128 SA	414	if (!delayed_view_updater_.isActive())
516d2128 SA	415	delayed_view_updater_.start();
4b97fe09 SA	416	}
4b97fe09 SA	417
e77de61f SA	418	void View::on_decoder_stacked(void* decoder)
	419	{
	420	// TODO This doesn't change existing entries for the same signal - but it should as the naming scheme may change
	421
	422	Decoder* d = static_cast<Decoder*>(decoder);
	423
b2b18d3a SA	424	// Only add the decoder if it has binary output
	425	if (d->get_binary_class_count() == 0)
	426	return;
	427
e77de61f SA	428	// Find the signal that contains the selected decoder
	429	DecodeSignal* signal = nullptr;
	430
	431	for (const shared_ptr<DecodeSignal>& ds : decode_signals_)
	432	for (const shared_ptr<Decoder>& dec : ds->decoder_stack())
	433	if (d == dec.get())
	434	signal = ds.get();
	435
	436	assert(signal);
	437
	438	// Add the decoder to the list
	439	QString title = QString("%1 (%2)").arg(signal->name(), d->name());
	440	decoder_selector_->addItem(title, QVariant::fromValue((void*)d));
	441	}
	442
	443	void View::on_decoder_removed(void* decoder)
	444	{
	445	Decoder* d = static_cast<Decoder*>(decoder);
	446
	447	// Remove the decoder from the list
	448	int index = decoder_selector_->findData(QVariant::fromValue((void*)d));
	449
	450	if (index != -1)
	451	decoder_selector_->removeItem(index);
	452	}
	453
03408f5f SA	454	void View::on_actionSave_triggered(QAction* action)
03408f5f SA	455	{
13b726cd SA	456	int save_type = SaveTypeBinary;
	457	if (action)
	458	save_type = action->data().toInt();
	459
d5645564 SA	460	switch (save_type)
	461	{
	462	case SaveTypeBinary: save_data(); break;
	463	case SaveTypeHexDumpPlain: save_data_as_hex_dump(false, false); break;
	464	case SaveTypeHexDumpWithOffset: save_data_as_hex_dump(true, false); break;
	465	case SaveTypeHexDumpComplete: save_data_as_hex_dump(true, true); break;
	466	}
03408f5f SA	467	}
03408f5f SA	468
516d2128 SA	469	void View::perform_delayed_view_update()
516d2128 SA	470	{
ee4ba097	471	if (signal_ && !binary_data_exists_)
13b726cd	472	if (signal_->get_binary_data_chunk_count(current_segment_, decoder_, bin_class_id_))
03408f5f SA	473	binary_data_exists_ = true;
03408f5f SA	474
516d2128 SA	475	update_data();
	476	}
	477
e77de61f	478
121307b3	479	} // namespace decoder_binary
2bdc5796 SA	480	} // namespace views
2bdc5796 SA	481	} // namespace pv