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

/*
 * This file is part of the PulseView project.
 *
 * Copyright (C) 2020 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 <QApplication>
#include <QDebug>
#include <QFileDialog>
#include <QFontMetrics>
#include <QHeaderView>
#include <QLabel>
#include <QMenu>
#include <QMessageBox>
#include <QToolBar>
#include <QVBoxLayout>

#include <libsigrokdecode/libsigrokdecode.h>

#include "view.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::make_shared;
using std::shared_ptr;

namespace pv {
namespace views {
namespace tabular_decoder {

const char* SaveTypeNames[SaveTypeCount] = {
	"CSV, commas escaped",
	"CSV, fields quoted"
};

QSize QCustomTableView::minimumSizeHint() const
{
	QSize size(QTableView::sizeHint());

	int width = 0;
	for (int i = 0; i < horizontalHeader()->count(); i++)
		if (!horizontalHeader()->isSectionHidden(i))
			width += horizontalHeader()->sectionSize(i);

	size.setWidth(width + (horizontalHeader()->count() * 1));

	return size;
}

QSize QCustomTableView::sizeHint() const
{
	return minimumSizeHint();
}


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()),
	save_button_(new QToolButton()),
	save_action_(new QAction(this)),
	table_view_(new QCustomTableView()),
	model_(new AnnotationCollectionModel()),
	signal_(nullptr),
	updating_data_(false)
{
	QVBoxLayout *root_layout = new QVBoxLayout(this);
	root_layout->setContentsMargins(0, 0, 0, 0);
	root_layout->addWidget(table_view_);

	// 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->addSeparator();
	toolbar->addWidget(save_button_);

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

	// Configure widgets
	decoder_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);

	// Set up the table view
	table_view_->setModel(model_);
	table_view_->setSelectionBehavior(QAbstractItemView::SelectRows);
	table_view_->setSelectionMode(QAbstractItemView::ContiguousSelection);
	table_view_->setSortingEnabled(true);
	table_view_->sortByColumn(0, Qt::AscendingOrder);

	const int font_height = QFontMetrics(QApplication::font()).height();
	table_view_->verticalHeader()->setDefaultSectionSize((font_height * 5) / 4);

	table_view_->horizontalHeader()->setStretchLastSection(true);
	table_view_->horizontalHeader()->setCascadingSectionResizes(true);
	table_view_->horizontalHeader()->setSectionsMovable(true);
	table_view_->horizontalHeader()->setContextMenuPolicy(Qt::CustomContextMenu);

	table_view_->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
	parent->setSizePolicy(table_view_->sizePolicy());

	connect(table_view_, SIGNAL(clicked(const QModelIndex&)),
		this, SLOT(on_table_item_clicked(const QModelIndex&)));
	connect(table_view_, SIGNAL(doubleClicked(const QModelIndex&)),
		this, SLOT(on_table_item_double_clicked(const QModelIndex&)));
	connect(table_view_->horizontalHeader(), SIGNAL(customContextMenuRequested(const QPoint&)),
		this, SLOT(on_table_header_requested(const QPoint&)));

	reset_view_state();
}

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

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

	decoder_selector_->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&)));

	// Note: At time of initial creation, decode signals have no decoders so we
	// need to watch for decoder stacking events

	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 the top-level decoder provided by an already-existing signal
	auto stack = signal->decoder_stack();
	if (!stack.empty()) {
		shared_ptr<Decoder>& dec = stack.at(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;
}

void View::update_data()
{
	if (updating_data_) {
		if (!delayed_view_updater_.isActive())
			delayed_view_updater_.start();
		return;
	}

	updating_data_ = true;

	table_view_->setRootIndex(model_->index(1, 0, QModelIndex()));
	model_->set_signal_and_segment(signal_, current_segment_);

	updating_data_ = false;
}

void View::save_data_as_csv(unsigned int save_type) const
{
	// Note: We try to follow RFC 4180 (https://tools.ietf.org/html/rfc4180)

	assert(decoder_);
	assert(signal_);

	if (!signal_)
		return;

	const bool save_all = !table_view_->selectionModel()->hasSelection();

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

	const QString file_name = QFileDialog::getSaveFileName(
		parent_, tr("Save Annotations as CSV"), dir, tr("CSV Files (*.csv);;Text Files (*.txt);;All Files (*)"));

	if (file_name.isEmpty())
		return;

	QFile file(file_name);
	if (file.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
		QTextStream out_stream(&file);

		if (save_all)
			table_view_->selectAll();

		// Write out header columns in visual order, not logical order
		for (int i = 0; i < table_view_->horizontalHeader()->count(); i++) {
			int column = table_view_->horizontalHeader()->logicalIndex(i);

			if (table_view_->horizontalHeader()->isSectionHidden(column))
				continue;

			const QString title = model_->headerData(column, Qt::Horizontal, Qt::DisplayRole).toString();

			if (save_type == SaveTypeCSVEscaped)
				out_stream << title;
			else
				out_stream << '"' << title << '"';

			if (i < (table_view_->horizontalHeader()->count() - 1))
				out_stream << ",";
		}
		out_stream << '\r' << '\n';


		QModelIndexList selected_rows = table_view_->selectionModel()->selectedRows();

		for (int i = 0; i < selected_rows.size(); i++) {
			const int row = selected_rows.at(i).row();

			// Write out columns in visual order, not logical order
			for (int c = 0; c < table_view_->horizontalHeader()->count(); c++) {
				const int column = table_view_->horizontalHeader()->logicalIndex(c);

				if (table_view_->horizontalHeader()->isSectionHidden(column))
					continue;

				const QModelIndex idx = model_->index(row, column, QModelIndex());
				QString s = model_->data(idx, Qt::DisplayRole).toString();

				if (save_type == SaveTypeCSVEscaped)
					out_stream << s.replace(",", "\\,");
				else
					out_stream << '"' << s.replace("\"", "\"\"") << '"';

				if (c < (table_view_->horizontalHeader()->count() - 1))
					out_stream << ",";
			}

			out_stream << '\r' << '\n';
		}

		if (out_stream.status() == QTextStream::Ok) {
			if (save_all)
				table_view_->clearSelection();

			return;
		}
	}

	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();
}

void View::on_selected_decoder_changed(int index)
{
	if (signal_) {
		disconnect(signal_, SIGNAL(color_changed(QColor)));
		disconnect(signal_, SIGNAL(new_annotations()));
		disconnect(signal_, SIGNAL(decode_reset()));
	}

	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();

	if (signal_) {
		connect(signal_, SIGNAL(color_changed(QColor)), this, SLOT(on_signal_color_changed(QColor)));
		connect(signal_, SIGNAL(new_annotations()), this, SLOT(on_new_annotations()));
		connect(signal_, SIGNAL(decode_reset()), this, SLOT(on_decoder_reset()));
	}

	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 the top-level decoder provided by this signal
	auto stack = signal->decoder_stack();
	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_signal_color_changed(const QColor &color)
{
	(void)color;

	table_view_->update();
}

void View::on_new_annotations()
{
	if (!delayed_view_updater_.isActive())
		delayed_view_updater_.start();
}

void View::on_decoder_reset()
{
	// Invalidate the model's data connection immediately - otherwise we
	// will use a stale pointer in model_->index() when called from the table view
	model_->set_signal_and_segment(signal_, current_segment_);
}

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

	// 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);

	const shared_ptr<Decoder>& dec = signal->decoder_stack().at(0);
	int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get()));

	if (index == -1) {
		// Add the decoder to the list
		decoder_selector_->addItem(signal->name(), 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 = SaveTypeCSVQuoted;

	if (action)
		save_type = action->data().toInt();

	save_data_as_csv(save_type);
}

void View::on_table_item_clicked(const QModelIndex& index)
{
	(void)index;

	// Force repaint, otherwise the new selection isn't shown for some reason
	table_view_->viewport()->update();
}

void View::on_table_item_double_clicked(const QModelIndex& index)
{
	const Annotation* ann = static_cast<const Annotation*>(index.internalPointer());

	shared_ptr<views::ViewBase> main_view = session_.main_view();

	main_view->focus_on_range(ann->start_sample(), ann->end_sample());
}

void View::on_table_header_requested(const QPoint& pos)
{
	QMenu* menu = new QMenu(this);

	for (int i = 0; i < table_view_->horizontalHeader()->count(); i++) {
		int column = table_view_->horizontalHeader()->logicalIndex(i);

		const QString title = model_->headerData(column, Qt::Horizontal, Qt::DisplayRole).toString();
		QAction* action = new QAction(title, this);

		action->setCheckable(true);
		action->setChecked(!table_view_->horizontalHeader()->isSectionHidden(column));
		action->setData(column);

		connect(action, SIGNAL(toggled(bool)), this, SLOT(on_table_header_toggled(bool)));

		menu->addAction(action);
	}

	menu->popup(table_view_->horizontalHeader()->viewport()->mapToGlobal(pos));
}

void View::on_table_header_toggled(bool checked)
{
	QAction* action = qobject_cast<QAction*>(QObject::sender());
	assert(action);

	const int column = action->data().toInt();

	table_view_->horizontalHeader()->setSectionHidden(column, !checked);
}

void View::perform_delayed_view_update()
{
	update_data();
}


} // namespace tabular_decoder
} // namespace views
} // namespace pv
Commit	Line	Data
24d69d27 SA	1	/*
	2	* This file is part of the PulseView project.
	3	*
	4	* Copyright (C) 2020 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
f54e68b0	22	#include <QApplication>
24d69d27 SA	23	#include <QDebug>
24d69d27 SA	24	#include <QFileDialog>
f54e68b0 SA	25	#include <QFontMetrics>
f54e68b0 SA	26	#include <QHeaderView>
24d69d27 SA	27	#include <QLabel>
	28	#include <QMenu>
	29	#include <QMessageBox>
	30	#include <QToolBar>
	31	#include <QVBoxLayout>
	32
	33	#include <libsigrokdecode/libsigrokdecode.h>
	34
	35	#include "view.hpp"
	36
	37	#include "pv/globalsettings.hpp"
9a35b05d	38	#include "pv/session.hpp"
24d69d27 SA	39	#include "pv/util.hpp"
	40	#include "pv/data/decode/decoder.hpp"
	41
	42	using pv::data::DecodeSignal;
	43	using pv::data::SignalBase;
	44	using pv::data::decode::Decoder;
	45	using pv::util::Timestamp;
	46
f54e68b0	47	using std::make_shared;
24d69d27 SA	48	using std::shared_ptr;
	49
	50	namespace pv {
	51	namespace views {
	52	namespace tabular_decoder {
	53
be0f5903 SA	54	const char* SaveTypeNames[SaveTypeCount] = {
	55	"CSV, commas escaped",
	56	"CSV, fields quoted"
	57	};
	58
f54e68b0 SA	59	QSize QCustomTableView::minimumSizeHint() const
	60	{
	61	QSize size(QTableView::sizeHint());
	62
	63	int width = 0;
	64	for (int i = 0; i < horizontalHeader()->count(); i++)
	65	if (!horizontalHeader()->isSectionHidden(i))
88a25978	66	width += horizontalHeader()->sectionSize(i);
f54e68b0 SA	67
	68	size.setWidth(width + (horizontalHeader()->count() * 1));
	69
	70	return size;
	71	}
	72
	73	QSize QCustomTableView::sizeHint() const
	74	{
	75	return minimumSizeHint();
	76	}
	77
24d69d27 SA	78
	79	View::View(Session &session, bool is_main_view, QMainWindow *parent) :
	80	ViewBase(session, is_main_view, parent),
	81
	82	// Note: Place defaults in View::reset_view_state(), not here
	83	parent_(parent),
	84	decoder_selector_(new QComboBox()),
	85	save_button_(new QToolButton()),
	86	save_action_(new QAction(this)),
f54e68b0	87	table_view_(new QCustomTableView()),
24d69d27	88	model_(new AnnotationCollectionModel()),
f54e68b0 SA	89	signal_(nullptr),
f54e68b0 SA	90	updating_data_(false)
24d69d27 SA	91	{
	92	QVBoxLayout *root_layout = new QVBoxLayout(this);
	93	root_layout->setContentsMargins(0, 0, 0, 0);
	94	root_layout->addWidget(table_view_);
	95
	96	// Create toolbar
	97	QToolBar* toolbar = new QToolBar();
	98	toolbar->setContextMenuPolicy(Qt::PreventContextMenu);
	99	parent->addToolBar(toolbar);
	100
	101	// Populate toolbar
	102	toolbar->addWidget(new QLabel(tr("Decoder:")));
	103	toolbar->addWidget(decoder_selector_);
	104	toolbar->addSeparator();
	105	toolbar->addWidget(save_button_);
	106
	107	connect(decoder_selector_, SIGNAL(currentIndexChanged(int)),
	108	this, SLOT(on_selected_decoder_changed(int)));
	109
	110	// Configure widgets
	111	decoder_selector_->setSizeAdjustPolicy(QComboBox::AdjustToContents);
	112
	113	// Configure actions
	114	save_action_->setText(tr("&Save..."));
	115	save_action_->setIcon(QIcon::fromTheme("document-save-as",
	116	QIcon(":/icons/document-save-as.png")));
	117	save_action_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
	118	connect(save_action_, SIGNAL(triggered(bool)),
	119	this, SLOT(on_actionSave_triggered()));
	120
	121	QMenu *save_menu = new QMenu();
	122	connect(save_menu, SIGNAL(triggered(QAction*)),
	123	this, SLOT(on_actionSave_triggered(QAction*)));
	124
be0f5903 SA	125	for (int i = 0; i < SaveTypeCount; i++) {
	126	QAction *const action = save_menu->addAction(tr(SaveTypeNames[i]));
	127	action->setData(qVariantFromValue(i));
	128	}
	129
24d69d27 SA	130	save_button_->setMenu(save_menu);
	131	save_button_->setDefaultAction(save_action_);
	132	save_button_->setPopupMode(QToolButton::MenuButtonPopup);
	133
	134	// Set up the table view
	135	table_view_->setModel(model_);
9a35b05d	136	table_view_->setSelectionBehavior(QAbstractItemView::SelectRows);
be0f5903	137	table_view_->setSelectionMode(QAbstractItemView::ContiguousSelection);
24d69d27 SA	138	table_view_->setSortingEnabled(true);
	139	table_view_->sortByColumn(0, Qt::AscendingOrder);
	140
f54e68b0 SA	141	const int font_height = QFontMetrics(QApplication::font()).height();
	142	table_view_->verticalHeader()->setDefaultSectionSize((font_height * 5) / 4);
	143
88a25978 SA	144	table_view_->horizontalHeader()->setStretchLastSection(true);
	145	table_view_->horizontalHeader()->setCascadingSectionResizes(true);
	146	table_view_->horizontalHeader()->setSectionsMovable(true);
9a35b05d	147	table_view_->horizontalHeader()->setContextMenuPolicy(Qt::CustomContextMenu);
f54e68b0 SA	148
	149	table_view_->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
	150	parent->setSizePolicy(table_view_->sizePolicy());
	151
9a35b05d SA	152	connect(table_view_, SIGNAL(clicked(const QModelIndex&)),
	153	this, SLOT(on_table_item_clicked(const QModelIndex&)));
	154	connect(table_view_, SIGNAL(doubleClicked(const QModelIndex&)),
	155	this, SLOT(on_table_item_double_clicked(const QModelIndex&)));
	156	connect(table_view_->horizontalHeader(), SIGNAL(customContextMenuRequested(const QPoint&)),
	157	this, SLOT(on_table_header_requested(const QPoint&)));
	158
24d69d27 SA	159	reset_view_state();
	160	}
	161
	162	ViewType View::get_type() const
	163	{
	164	return ViewTypeTabularDecoder;
	165	}
	166
	167	void View::reset_view_state()
	168	{
	169	ViewBase::reset_view_state();
	170
	171	decoder_selector_->clear();
	172	}
	173
	174	void View::clear_decode_signals()
	175	{
	176	ViewBase::clear_decode_signals();
	177
	178	reset_data();
	179	reset_view_state();
	180	}
	181
	182	void View::add_decode_signal(shared_ptr<data::DecodeSignal> signal)
	183	{
	184	ViewBase::add_decode_signal(signal);
	185
	186	connect(signal.get(), SIGNAL(name_changed(const QString&)),
	187	this, SLOT(on_signal_name_changed(const QString&)));
88a25978 SA	188
	189	// Note: At time of initial creation, decode signals have no decoders so we
	190	// need to watch for decoder stacking events
	191
24d69d27 SA	192	connect(signal.get(), SIGNAL(decoder_stacked(void*)),
	193	this, SLOT(on_decoder_stacked(void*)));
	194	connect(signal.get(), SIGNAL(decoder_removed(void*)),
	195	this, SLOT(on_decoder_removed(void*)));
	196
88a25978	197	// Add the top-level decoder provided by an already-existing signal
24d69d27	198	auto stack = signal->decoder_stack();
f54e68b0 SA	199	if (!stack.empty()) {
	200	shared_ptr<Decoder>& dec = stack.at(0);
	201	decoder_selector_->addItem(signal->name(), QVariant::fromValue((void*)dec.get()));
	202	}
24d69d27 SA	203	}
	204
	205	void View::remove_decode_signal(shared_ptr<data::DecodeSignal> signal)
	206	{
	207	// Remove all decoders provided by this signal
	208	for (const shared_ptr<Decoder>& dec : signal->decoder_stack()) {
	209	int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get()));
	210
	211	if (index != -1)
	212	decoder_selector_->removeItem(index);
	213	}
	214
	215	ViewBase::remove_decode_signal(signal);
	216
	217	if (signal.get() == signal_) {
	218	reset_data();
	219	update_data();
	220	reset_view_state();
	221	}
	222	}
	223
	224	void View::save_settings(QSettings &settings) const
	225	{
	226	ViewBase::save_settings(settings);
	227	}
	228
	229	void View::restore_settings(QSettings &settings)
	230	{
	231	// Note: It is assumed that this function is only called once,
	232	// immediately after restoring a previous session.
	233	ViewBase::restore_settings(settings);
	234	}
	235
	236	void View::reset_data()
	237	{
	238	signal_ = nullptr;
	239	decoder_ = nullptr;
	240	}
	241
	242	void View::update_data()
	243	{
f54e68b0 SA	244	if (updating_data_) {
	245	if (!delayed_view_updater_.isActive())
	246	delayed_view_updater_.start();
	247	return;
	248	}
	249
	250	updating_data_ = true;
	251
	252	table_view_->setRootIndex(model_->index(1, 0, QModelIndex()));
	253	model_->set_signal_and_segment(signal_, current_segment_);
	254
	255	updating_data_ = false;
24d69d27 SA	256	}
24d69d27 SA	257
be0f5903	258	void View::save_data_as_csv(unsigned int save_type) const
24d69d27	259	{
be0f5903 SA	260	// Note: We try to follow RFC 4180 (https://tools.ietf.org/html/rfc4180)
be0f5903 SA	261
24d69d27 SA	262	assert(decoder_);
	263	assert(signal_);
	264
	265	if (!signal_)
	266	return;
	267
be0f5903 SA	268	const bool save_all = !table_view_->selectionModel()->hasSelection();
	269
	270	GlobalSettings settings;
24d69d27 SA	271	const QString dir = settings.value("MainWindow/SaveDirectory").toString();
	272
	273	const QString file_name = QFileDialog::getSaveFileName(
be0f5903	274	parent_, tr("Save Annotations as CSV"), dir, tr("CSV Files (.csv);;Text Files (.txt);;All Files (*)"));
24d69d27 SA	275
	276	if (file_name.isEmpty())
	277	return;
	278
	279	QFile file(file_name);
	280	if (file.open(QIODevice::WriteOnly \| QIODevice::Truncate)) {
be0f5903 SA	281	QTextStream out_stream(&file);
	282
	283	if (save_all)
	284	table_view_->selectAll();
	285
	286	// Write out header columns in visual order, not logical order
	287	for (int i = 0; i < table_view_->horizontalHeader()->count(); i++) {
	288	int column = table_view_->horizontalHeader()->logicalIndex(i);
	289
	290	if (table_view_->horizontalHeader()->isSectionHidden(column))
	291	continue;
	292
	293	const QString title = model_->headerData(column, Qt::Horizontal, Qt::DisplayRole).toString();
	294
	295	if (save_type == SaveTypeCSVEscaped)
	296	out_stream << title;
	297	else
	298	out_stream << '"' << title << '"';
	299
	300	if (i < (table_view_->horizontalHeader()->count() - 1))
	301	out_stream << ",";
	302	}
	303	out_stream << '\r' << '\n';
24d69d27	304
24d69d27	305
be0f5903	306	QModelIndexList selected_rows = table_view_->selectionModel()->selectedRows();
24d69d27	307
be0f5903 SA	308	for (int i = 0; i < selected_rows.size(); i++) {
	309	const int row = selected_rows.at(i).row();
	310
	311	// Write out columns in visual order, not logical order
	312	for (int c = 0; c < table_view_->horizontalHeader()->count(); c++) {
	313	const int column = table_view_->horizontalHeader()->logicalIndex(c);
	314
	315	if (table_view_->horizontalHeader()->isSectionHidden(column))
	316	continue;
	317
	318	const QModelIndex idx = model_->index(row, column, QModelIndex());
	319	QString s = model_->data(idx, Qt::DisplayRole).toString();
	320
	321	if (save_type == SaveTypeCSVEscaped)
	322	out_stream << s.replace(",", "\\,");
	323	else
	324	out_stream << '"' << s.replace("\"", "\"\"") << '"';
	325
	326	if (c < (table_view_->horizontalHeader()->count() - 1))
	327	out_stream << ",";
	328	}
	329
	330	out_stream << '\r' << '\n';
	331	}
	332
	333	if (out_stream.status() == QTextStream::Ok) {
	334	if (save_all)
	335	table_view_->clearSelection();
24d69d27	336
24d69d27 SA	337	return;
24d69d27 SA	338	}
be0f5903 SA	339	}
	340
	341	QMessageBox msg(parent_);
	342	msg.setText(tr("Error") + "\n\n" + tr("File %1 could not be written to.").arg(file_name));
	343	msg.setStandardButtons(QMessageBox::Ok);
	344	msg.setIcon(QMessageBox::Warning);
	345	msg.exec();
24d69d27 SA	346	}
	347
	348	void View::on_selected_decoder_changed(int index)
	349	{
02c87df7	350	if (signal_) {
85125b0f	351	disconnect(signal_, SIGNAL(color_changed(QColor)));
24d69d27	352	disconnect(signal_, SIGNAL(new_annotations()));
02c87df7 SA	353	disconnect(signal_, SIGNAL(decode_reset()));
02c87df7 SA	354	}
24d69d27 SA	355
	356	reset_data();
	357
	358	decoder_ = (Decoder)decoder_selector_->itemData(index).value<void>();
	359
	360	// Find the signal that contains the selected decoder
	361	for (const shared_ptr<DecodeSignal>& ds : decode_signals_)
	362	for (const shared_ptr<Decoder>& dec : ds->decoder_stack())
	363	if (decoder_ == dec.get())
	364	signal_ = ds.get();
	365
02c87df7	366	if (signal_) {
88a25978	367	connect(signal_, SIGNAL(color_changed(QColor)), this, SLOT(on_signal_color_changed(QColor)));
24d69d27	368	connect(signal_, SIGNAL(new_annotations()), this, SLOT(on_new_annotations()));
02c87df7 SA	369	connect(signal_, SIGNAL(decode_reset()), this, SLOT(on_decoder_reset()));
02c87df7 SA	370	}
24d69d27 SA	371
	372	update_data();
	373	}
	374
	375	void View::on_signal_name_changed(const QString &name)
	376	{
	377	(void)name;
	378
	379	SignalBase* sb = qobject_cast<SignalBase*>(QObject::sender());
	380	assert(sb);
	381
	382	DecodeSignal* signal = dynamic_cast<DecodeSignal*>(sb);
	383	assert(signal);
	384
f54e68b0	385	// Update the top-level decoder provided by this signal
24d69d27	386	auto stack = signal->decoder_stack();
f54e68b0 SA	387	if (!stack.empty()) {
	388	shared_ptr<Decoder>& dec = stack.at(0);
	389	int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get()));
24d69d27	390
f54e68b0 SA	391	if (index != -1)
	392	decoder_selector_->setItemText(index, signal->name());
	393	}
24d69d27 SA	394	}
24d69d27 SA	395
88a25978 SA	396	void View::on_signal_color_changed(const QColor &color)
	397	{
	398	(void)color;
	399
	400	table_view_->update();
	401	}
	402
24d69d27 SA	403	void View::on_new_annotations()
	404	{
	405	if (!delayed_view_updater_.isActive())
	406	delayed_view_updater_.start();
	407	}
	408
02c87df7 SA	409	void View::on_decoder_reset()
	410	{
	411	// Invalidate the model's data connection immediately - otherwise we
	412	// will use a stale pointer in model_->index() when called from the table view
	413	model_->set_signal_and_segment(signal_, current_segment_);
	414	}
	415
24d69d27 SA	416	void View::on_decoder_stacked(void* decoder)
24d69d27 SA	417	{
24d69d27 SA	418	Decoder* d = static_cast<Decoder*>(decoder);
	419
	420	// Find the signal that contains the selected decoder
	421	DecodeSignal* signal = nullptr;
	422
	423	for (const shared_ptr<DecodeSignal>& ds : decode_signals_)
	424	for (const shared_ptr<Decoder>& dec : ds->decoder_stack())
	425	if (d == dec.get())
	426	signal = ds.get();
	427
	428	assert(signal);
	429
88a25978 SA	430	const shared_ptr<Decoder>& dec = signal->decoder_stack().at(0);
	431	int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get()));
	432
	433	if (index == -1) {
	434	// Add the decoder to the list
85125b0f	435	decoder_selector_->addItem(signal->name(), QVariant::fromValue((void*)d));
88a25978	436	}
24d69d27 SA	437	}
	438
	439	void View::on_decoder_removed(void* decoder)
	440	{
	441	Decoder* d = static_cast<Decoder*>(decoder);
	442
	443	// Remove the decoder from the list
	444	int index = decoder_selector_->findData(QVariant::fromValue((void*)d));
	445
	446	if (index != -1)
	447	decoder_selector_->removeItem(index);
	448	}
	449
	450	void View::on_actionSave_triggered(QAction* action)
	451	{
be0f5903 SA	452	int save_type = SaveTypeCSVQuoted;
	453
	454	if (action)
	455	save_type = action->data().toInt();
24d69d27	456
be0f5903	457	save_data_as_csv(save_type);
24d69d27 SA	458	}
24d69d27 SA	459
9a35b05d SA	460	void View::on_table_item_clicked(const QModelIndex& index)
	461	{
	462	(void)index;
	463
	464	// Force repaint, otherwise the new selection isn't shown for some reason
	465	table_view_->viewport()->update();
	466	}
	467
	468	void View::on_table_item_double_clicked(const QModelIndex& index)
	469	{
	470	const Annotation* ann = static_cast<const Annotation*>(index.internalPointer());
	471
	472	shared_ptr<views::ViewBase> main_view = session_.main_view();
	473
	474	main_view->focus_on_range(ann->start_sample(), ann->end_sample());
	475	}
	476
	477	void View::on_table_header_requested(const QPoint& pos)
	478	{
	479	QMenu* menu = new QMenu(this);
	480
	481	for (int i = 0; i < table_view_->horizontalHeader()->count(); i++) {
	482	int column = table_view_->horizontalHeader()->logicalIndex(i);
	483
	484	const QString title = model_->headerData(column, Qt::Horizontal, Qt::DisplayRole).toString();
	485	QAction* action = new QAction(title, this);
	486
	487	action->setCheckable(true);
	488	action->setChecked(!table_view_->horizontalHeader()->isSectionHidden(column));
	489	action->setData(column);
	490
	491	connect(action, SIGNAL(toggled(bool)), this, SLOT(on_table_header_toggled(bool)));
	492
	493	menu->addAction(action);
	494	}
	495
	496	menu->popup(table_view_->horizontalHeader()->viewport()->mapToGlobal(pos));
	497	}
	498
	499	void View::on_table_header_toggled(bool checked)
	500	{
	501	QAction* action = qobject_cast<QAction*>(QObject::sender());
	502	assert(action);
	503
	504	const int column = action->data().toInt();
	505
	506	table_view_->horizontalHeader()->setSectionHidden(column, !checked);
	507	}
	508
24d69d27 SA	509	void View::perform_delayed_view_update()
	510	{
	511	update_data();
	512	}
	513
	514
	515	} // namespace tabular_decoder
	516	} // namespace views
	517	} // namespace pv