[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"
};

const char* ViewModeNames[ViewModeCount] = {
	"Show all",
	"Show all and focus on newest"
//	"Show visible in main view"
};

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()),
	hide_hidden_cb_(new QCheckBox()),
	view_mode_selector_(new QComboBox()),
	save_button_(new QToolButton()),
	save_action_(new QAction(this)),
	table_view_(new QCustomTableView()),
	model_(new AnnotationCollectionModel()),
	signal_(nullptr)
{
	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_);
	toolbar->addSeparator();
	toolbar->addWidget(view_mode_selector_);
	toolbar->addSeparator();
	toolbar->addWidget(hide_hidden_cb_);

	connect(decoder_selector_, SIGNAL(currentIndexChanged(int)),
		this, SLOT(on_selected_decoder_changed(int)));
	connect(view_mode_selector_, SIGNAL(currentIndexChanged(int)),
		this, SLOT(on_view_mode_changed(int)));
	connect(hide_hidden_cb_, SIGNAL(toggled(bool)),
		this, SLOT(on_hide_hidden_changed(bool)));

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

	for (int i = 0; i < ViewModeCount; i++)
		view_mode_selector_->addItem(ViewModeNames[i], QVariant::fromValue(i));

	hide_hidden_cb_->setText(tr("Hide Hidden Rows/Classes"));
	hide_hidden_cb_->setChecked(true);

	// 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_->verticalHeader()->setVisible(false);

	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);

	settings.setValue("view_mode", view_mode_selector_->currentIndex());
	settings.setValue("hide_hidden", hide_hidden_cb_->isChecked());
}

void View::restore_settings(QSettings &settings)
{
	ViewBase::restore_settings(settings);

	if (settings.contains("view_mode"))
		view_mode_selector_->setCurrentIndex(settings.value("view_mode").toInt());

	if (settings.contains("hide_hidden"))
		hide_hidden_cb_->setChecked(settings.value("hide_hidden").toBool());
}

void View::reset_data()
{
	signal_ = nullptr;
	decoder_ = nullptr;
}

void View::update_data()
{
	model_->set_signal_and_segment(signal_, current_segment_);
}

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);
				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_hide_hidden_changed(bool checked)
{
	model_->set_hide_hidden(checked);

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

void View::on_view_mode_changed(int index)
{
	(void)index;
}

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 (view_mode_selector_->currentIndex() == ViewModeLatest) {
		update_data();
		table_view_->scrollTo(model_->index(model_->rowCount() - 1, 0),
			QAbstractItemView::PositionAtBottom);
	} else {
		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
86d4b8e3 SA	59	const char* ViewModeNames[ViewModeCount] = {
86d4b8e3 SA	60	"Show all",
c84afcfd SA	61	"Show all and focus on newest"
c84afcfd SA	62	// "Show visible in main view"
86d4b8e3 SA	63	};
86d4b8e3 SA	64
f54e68b0 SA	65	QSize QCustomTableView::minimumSizeHint() const
	66	{
	67	QSize size(QTableView::sizeHint());
	68
	69	int width = 0;
	70	for (int i = 0; i < horizontalHeader()->count(); i++)
	71	if (!horizontalHeader()->isSectionHidden(i))
88a25978	72	width += horizontalHeader()->sectionSize(i);
f54e68b0 SA	73
	74	size.setWidth(width + (horizontalHeader()->count() * 1));
	75
	76	return size;
	77	}
	78
	79	QSize QCustomTableView::sizeHint() const
	80	{
	81	return minimumSizeHint();
	82	}
	83
24d69d27 SA	84
	85	View::View(Session &session, bool is_main_view, QMainWindow *parent) :
	86	ViewBase(session, is_main_view, parent),
	87
	88	// Note: Place defaults in View::reset_view_state(), not here
	89	parent_(parent),
	90	decoder_selector_(new QComboBox()),
86d4b8e3 SA	91	hide_hidden_cb_(new QCheckBox()),
86d4b8e3 SA	92	view_mode_selector_(new QComboBox()),
24d69d27 SA	93	save_button_(new QToolButton()),
24d69d27 SA	94	save_action_(new QAction(this)),
f54e68b0	95	table_view_(new QCustomTableView()),
24d69d27	96	model_(new AnnotationCollectionModel()),
6d46525f	97	signal_(nullptr)
24d69d27 SA	98	{
	99	QVBoxLayout *root_layout = new QVBoxLayout(this);
	100	root_layout->setContentsMargins(0, 0, 0, 0);
	101	root_layout->addWidget(table_view_);
	102
	103	// Create toolbar
	104	QToolBar* toolbar = new QToolBar();
	105	toolbar->setContextMenuPolicy(Qt::PreventContextMenu);
	106	parent->addToolBar(toolbar);
	107
	108	// Populate toolbar
	109	toolbar->addWidget(new QLabel(tr("Decoder:")));
	110	toolbar->addWidget(decoder_selector_);
	111	toolbar->addSeparator();
	112	toolbar->addWidget(save_button_);
86d4b8e3 SA	113	toolbar->addSeparator();
	114	toolbar->addWidget(view_mode_selector_);
	115	toolbar->addSeparator();
	116	toolbar->addWidget(hide_hidden_cb_);
24d69d27 SA	117
	118	connect(decoder_selector_, SIGNAL(currentIndexChanged(int)),
	119	this, SLOT(on_selected_decoder_changed(int)));
86d4b8e3 SA	120	connect(view_mode_selector_, SIGNAL(currentIndexChanged(int)),
	121	this, SLOT(on_view_mode_changed(int)));
	122	connect(hide_hidden_cb_, SIGNAL(toggled(bool)),
	123	this, SLOT(on_hide_hidden_changed(bool)));
24d69d27 SA	124
	125	// Configure widgets
	126	decoder_selector_->setSizeAdjustPolicy(QComboBox::AdjustToContents);
	127
86d4b8e3 SA	128	for (int i = 0; i < ViewModeCount; i++)
	129	view_mode_selector_->addItem(ViewModeNames[i], QVariant::fromValue(i));
	130
	131	hide_hidden_cb_->setText(tr("Hide Hidden Rows/Classes"));
	132	hide_hidden_cb_->setChecked(true);
	133
24d69d27 SA	134	// Configure actions
	135	save_action_->setText(tr("&Save..."));
	136	save_action_->setIcon(QIcon::fromTheme("document-save-as",
	137	QIcon(":/icons/document-save-as.png")));
	138	save_action_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
	139	connect(save_action_, SIGNAL(triggered(bool)),
	140	this, SLOT(on_actionSave_triggered()));
	141
	142	QMenu *save_menu = new QMenu();
	143	connect(save_menu, SIGNAL(triggered(QAction*)),
	144	this, SLOT(on_actionSave_triggered(QAction*)));
	145
be0f5903 SA	146	for (int i = 0; i < SaveTypeCount; i++) {
	147	QAction *const action = save_menu->addAction(tr(SaveTypeNames[i]));
	148	action->setData(qVariantFromValue(i));
	149	}
	150
24d69d27 SA	151	save_button_->setMenu(save_menu);
	152	save_button_->setDefaultAction(save_action_);
	153	save_button_->setPopupMode(QToolButton::MenuButtonPopup);
	154
	155	// Set up the table view
	156	table_view_->setModel(model_);
9a35b05d	157	table_view_->setSelectionBehavior(QAbstractItemView::SelectRows);
be0f5903	158	table_view_->setSelectionMode(QAbstractItemView::ContiguousSelection);
24d69d27 SA	159	table_view_->setSortingEnabled(true);
	160	table_view_->sortByColumn(0, Qt::AscendingOrder);
	161
f54e68b0 SA	162	const int font_height = QFontMetrics(QApplication::font()).height();
f54e68b0 SA	163	table_view_->verticalHeader()->setDefaultSectionSize((font_height * 5) / 4);
2a89c44b	164	table_view_->verticalHeader()->setVisible(false);
f54e68b0	165
88a25978 SA	166	table_view_->horizontalHeader()->setStretchLastSection(true);
	167	table_view_->horizontalHeader()->setCascadingSectionResizes(true);
	168	table_view_->horizontalHeader()->setSectionsMovable(true);
9a35b05d	169	table_view_->horizontalHeader()->setContextMenuPolicy(Qt::CustomContextMenu);
f54e68b0 SA	170
	171	table_view_->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
	172	parent->setSizePolicy(table_view_->sizePolicy());
	173
9a35b05d SA	174	connect(table_view_, SIGNAL(clicked(const QModelIndex&)),
	175	this, SLOT(on_table_item_clicked(const QModelIndex&)));
	176	connect(table_view_, SIGNAL(doubleClicked(const QModelIndex&)),
	177	this, SLOT(on_table_item_double_clicked(const QModelIndex&)));
	178	connect(table_view_->horizontalHeader(), SIGNAL(customContextMenuRequested(const QPoint&)),
	179	this, SLOT(on_table_header_requested(const QPoint&)));
	180
24d69d27 SA	181	reset_view_state();
	182	}
	183
	184	ViewType View::get_type() const
	185	{
	186	return ViewTypeTabularDecoder;
	187	}
	188
	189	void View::reset_view_state()
	190	{
	191	ViewBase::reset_view_state();
	192
	193	decoder_selector_->clear();
	194	}
	195
	196	void View::clear_decode_signals()
	197	{
	198	ViewBase::clear_decode_signals();
	199
	200	reset_data();
	201	reset_view_state();
	202	}
	203
	204	void View::add_decode_signal(shared_ptr<data::DecodeSignal> signal)
	205	{
	206	ViewBase::add_decode_signal(signal);
	207
	208	connect(signal.get(), SIGNAL(name_changed(const QString&)),
	209	this, SLOT(on_signal_name_changed(const QString&)));
88a25978 SA	210
	211	// Note: At time of initial creation, decode signals have no decoders so we
	212	// need to watch for decoder stacking events
	213
24d69d27 SA	214	connect(signal.get(), SIGNAL(decoder_stacked(void*)),
	215	this, SLOT(on_decoder_stacked(void*)));
	216	connect(signal.get(), SIGNAL(decoder_removed(void*)),
	217	this, SLOT(on_decoder_removed(void*)));
	218
88a25978	219	// Add the top-level decoder provided by an already-existing signal
24d69d27	220	auto stack = signal->decoder_stack();
f54e68b0 SA	221	if (!stack.empty()) {
	222	shared_ptr<Decoder>& dec = stack.at(0);
	223	decoder_selector_->addItem(signal->name(), QVariant::fromValue((void*)dec.get()));
	224	}
24d69d27 SA	225	}
	226
	227	void View::remove_decode_signal(shared_ptr<data::DecodeSignal> signal)
	228	{
	229	// Remove all decoders provided by this signal
	230	for (const shared_ptr<Decoder>& dec : signal->decoder_stack()) {
	231	int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get()));
	232
	233	if (index != -1)
	234	decoder_selector_->removeItem(index);
	235	}
	236
	237	ViewBase::remove_decode_signal(signal);
	238
	239	if (signal.get() == signal_) {
	240	reset_data();
	241	update_data();
	242	reset_view_state();
	243	}
	244	}
	245
	246	void View::save_settings(QSettings &settings) const
	247	{
	248	ViewBase::save_settings(settings);
86d4b8e3 SA	249
	250	settings.setValue("view_mode", view_mode_selector_->currentIndex());
	251	settings.setValue("hide_hidden", hide_hidden_cb_->isChecked());
24d69d27 SA	252	}
	253
	254	void View::restore_settings(QSettings &settings)
	255	{
24d69d27	256	ViewBase::restore_settings(settings);
86d4b8e3 SA	257
	258	if (settings.contains("view_mode"))
	259	view_mode_selector_->setCurrentIndex(settings.value("view_mode").toInt());
	260
	261	if (settings.contains("hide_hidden"))
	262	hide_hidden_cb_->setChecked(settings.value("hide_hidden").toBool());
24d69d27 SA	263	}
	264
	265	void View::reset_data()
	266	{
	267	signal_ = nullptr;
	268	decoder_ = nullptr;
	269	}
	270
	271	void View::update_data()
	272	{
f54e68b0	273	model_->set_signal_and_segment(signal_, current_segment_);
24d69d27 SA	274	}
24d69d27 SA	275
be0f5903	276	void View::save_data_as_csv(unsigned int save_type) const
24d69d27	277	{
be0f5903 SA	278	// Note: We try to follow RFC 4180 (https://tools.ietf.org/html/rfc4180)
be0f5903 SA	279
24d69d27 SA	280	assert(decoder_);
	281	assert(signal_);
	282
	283	if (!signal_)
	284	return;
	285
be0f5903 SA	286	const bool save_all = !table_view_->selectionModel()->hasSelection();
	287
	288	GlobalSettings settings;
24d69d27 SA	289	const QString dir = settings.value("MainWindow/SaveDirectory").toString();
	290
	291	const QString file_name = QFileDialog::getSaveFileName(
be0f5903	292	parent_, tr("Save Annotations as CSV"), dir, tr("CSV Files (.csv);;Text Files (.txt);;All Files (*)"));
24d69d27 SA	293
	294	if (file_name.isEmpty())
	295	return;
	296
	297	QFile file(file_name);
	298	if (file.open(QIODevice::WriteOnly \| QIODevice::Truncate)) {
be0f5903 SA	299	QTextStream out_stream(&file);
	300
	301	if (save_all)
	302	table_view_->selectAll();
	303
	304	// Write out header columns in visual order, not logical order
	305	for (int i = 0; i < table_view_->horizontalHeader()->count(); i++) {
	306	int column = table_view_->horizontalHeader()->logicalIndex(i);
	307
	308	if (table_view_->horizontalHeader()->isSectionHidden(column))
	309	continue;
	310
	311	const QString title = model_->headerData(column, Qt::Horizontal, Qt::DisplayRole).toString();
	312
	313	if (save_type == SaveTypeCSVEscaped)
	314	out_stream << title;
	315	else
	316	out_stream << '"' << title << '"';
	317
	318	if (i < (table_view_->horizontalHeader()->count() - 1))
	319	out_stream << ",";
	320	}
	321	out_stream << '\r' << '\n';
24d69d27	322
24d69d27	323
be0f5903	324	QModelIndexList selected_rows = table_view_->selectionModel()->selectedRows();
24d69d27	325
be0f5903 SA	326	for (int i = 0; i < selected_rows.size(); i++) {
	327	const int row = selected_rows.at(i).row();
	328
	329	// Write out columns in visual order, not logical order
	330	for (int c = 0; c < table_view_->horizontalHeader()->count(); c++) {
	331	const int column = table_view_->horizontalHeader()->logicalIndex(c);
	332
	333	if (table_view_->horizontalHeader()->isSectionHidden(column))
	334	continue;
	335
c84afcfd	336	const QModelIndex idx = model_->index(row, column);
be0f5903 SA	337	QString s = model_->data(idx, Qt::DisplayRole).toString();
	338
	339	if (save_type == SaveTypeCSVEscaped)
	340	out_stream << s.replace(",", "\\,");
	341	else
	342	out_stream << '"' << s.replace("\"", "\"\"") << '"';
	343
	344	if (c < (table_view_->horizontalHeader()->count() - 1))
	345	out_stream << ",";
	346	}
	347
	348	out_stream << '\r' << '\n';
	349	}
	350
	351	if (out_stream.status() == QTextStream::Ok) {
	352	if (save_all)
	353	table_view_->clearSelection();
24d69d27	354
24d69d27 SA	355	return;
24d69d27 SA	356	}
be0f5903 SA	357	}
	358
	359	QMessageBox msg(parent_);
	360	msg.setText(tr("Error") + "\n\n" + tr("File %1 could not be written to.").arg(file_name));
	361	msg.setStandardButtons(QMessageBox::Ok);
	362	msg.setIcon(QMessageBox::Warning);
	363	msg.exec();
24d69d27 SA	364	}
	365
	366	void View::on_selected_decoder_changed(int index)
	367	{
02c87df7	368	if (signal_) {
85125b0f	369	disconnect(signal_, SIGNAL(color_changed(QColor)));
24d69d27	370	disconnect(signal_, SIGNAL(new_annotations()));
02c87df7 SA	371	disconnect(signal_, SIGNAL(decode_reset()));
02c87df7 SA	372	}
24d69d27 SA	373
	374	reset_data();
	375
	376	decoder_ = (Decoder)decoder_selector_->itemData(index).value<void>();
	377
	378	// Find the signal that contains the selected decoder
	379	for (const shared_ptr<DecodeSignal>& ds : decode_signals_)
	380	for (const shared_ptr<Decoder>& dec : ds->decoder_stack())
	381	if (decoder_ == dec.get())
	382	signal_ = ds.get();
	383
02c87df7	384	if (signal_) {
88a25978	385	connect(signal_, SIGNAL(color_changed(QColor)), this, SLOT(on_signal_color_changed(QColor)));
24d69d27	386	connect(signal_, SIGNAL(new_annotations()), this, SLOT(on_new_annotations()));
02c87df7 SA	387	connect(signal_, SIGNAL(decode_reset()), this, SLOT(on_decoder_reset()));
02c87df7 SA	388	}
24d69d27 SA	389
	390	update_data();
	391	}
	392
86d4b8e3 SA	393	void View::on_hide_hidden_changed(bool checked)
	394	{
	395	model_->set_hide_hidden(checked);
	396
	397	// Force repaint, otherwise the new selection isn't shown for some reason
	398	table_view_->viewport()->update();
	399	}
	400
	401	void View::on_view_mode_changed(int index)
	402	{
	403	(void)index;
	404	}
	405
24d69d27 SA	406	void View::on_signal_name_changed(const QString &name)
	407	{
	408	(void)name;
	409
	410	SignalBase* sb = qobject_cast<SignalBase*>(QObject::sender());
	411	assert(sb);
	412
	413	DecodeSignal* signal = dynamic_cast<DecodeSignal*>(sb);
	414	assert(signal);
	415
f54e68b0	416	// Update the top-level decoder provided by this signal
24d69d27	417	auto stack = signal->decoder_stack();
f54e68b0 SA	418	if (!stack.empty()) {
	419	shared_ptr<Decoder>& dec = stack.at(0);
	420	int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get()));
24d69d27	421
f54e68b0 SA	422	if (index != -1)
	423	decoder_selector_->setItemText(index, signal->name());
	424	}
24d69d27 SA	425	}
24d69d27 SA	426
88a25978 SA	427	void View::on_signal_color_changed(const QColor &color)
	428	{
	429	(void)color;
	430
	431	table_view_->update();
	432	}
	433
24d69d27 SA	434	void View::on_new_annotations()
24d69d27 SA	435	{
c84afcfd SA	436	if (view_mode_selector_->currentIndex() == ViewModeLatest) {
	437	update_data();
	438	table_view_->scrollTo(model_->index(model_->rowCount() - 1, 0),
	439	QAbstractItemView::PositionAtBottom);
	440	} else {
	441	if (!delayed_view_updater_.isActive())
	442	delayed_view_updater_.start();
	443	}
24d69d27 SA	444	}
24d69d27 SA	445
02c87df7 SA	446	void View::on_decoder_reset()
	447	{
	448	// Invalidate the model's data connection immediately - otherwise we
	449	// will use a stale pointer in model_->index() when called from the table view
	450	model_->set_signal_and_segment(signal_, current_segment_);
	451	}
	452
24d69d27 SA	453	void View::on_decoder_stacked(void* decoder)
24d69d27 SA	454	{
24d69d27 SA	455	Decoder* d = static_cast<Decoder*>(decoder);
	456
	457	// Find the signal that contains the selected decoder
	458	DecodeSignal* signal = nullptr;
	459
	460	for (const shared_ptr<DecodeSignal>& ds : decode_signals_)
	461	for (const shared_ptr<Decoder>& dec : ds->decoder_stack())
	462	if (d == dec.get())
	463	signal = ds.get();
	464
	465	assert(signal);
	466
88a25978 SA	467	const shared_ptr<Decoder>& dec = signal->decoder_stack().at(0);
	468	int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get()));
	469
	470	if (index == -1) {
	471	// Add the decoder to the list
85125b0f	472	decoder_selector_->addItem(signal->name(), QVariant::fromValue((void*)d));
88a25978	473	}
24d69d27 SA	474	}
	475
	476	void View::on_decoder_removed(void* decoder)
	477	{
	478	Decoder* d = static_cast<Decoder*>(decoder);
	479
	480	// Remove the decoder from the list
	481	int index = decoder_selector_->findData(QVariant::fromValue((void*)d));
	482
	483	if (index != -1)
	484	decoder_selector_->removeItem(index);
	485	}
	486
	487	void View::on_actionSave_triggered(QAction* action)
	488	{
be0f5903 SA	489	int save_type = SaveTypeCSVQuoted;
	490
	491	if (action)
	492	save_type = action->data().toInt();
24d69d27	493
be0f5903	494	save_data_as_csv(save_type);
24d69d27 SA	495	}
24d69d27 SA	496
9a35b05d SA	497	void View::on_table_item_clicked(const QModelIndex& index)
	498	{
	499	(void)index;
	500
	501	// Force repaint, otherwise the new selection isn't shown for some reason
	502	table_view_->viewport()->update();
	503	}
	504
	505	void View::on_table_item_double_clicked(const QModelIndex& index)
	506	{
	507	const Annotation* ann = static_cast<const Annotation*>(index.internalPointer());
	508
	509	shared_ptr<views::ViewBase> main_view = session_.main_view();
	510
	511	main_view->focus_on_range(ann->start_sample(), ann->end_sample());
	512	}
	513
	514	void View::on_table_header_requested(const QPoint& pos)
	515	{
	516	QMenu* menu = new QMenu(this);
	517
	518	for (int i = 0; i < table_view_->horizontalHeader()->count(); i++) {
	519	int column = table_view_->horizontalHeader()->logicalIndex(i);
	520
	521	const QString title = model_->headerData(column, Qt::Horizontal, Qt::DisplayRole).toString();
	522	QAction* action = new QAction(title, this);
	523
	524	action->setCheckable(true);
	525	action->setChecked(!table_view_->horizontalHeader()->isSectionHidden(column));
	526	action->setData(column);
	527
	528	connect(action, SIGNAL(toggled(bool)), this, SLOT(on_table_header_toggled(bool)));
	529
	530	menu->addAction(action);
	531	}
	532
	533	menu->popup(table_view_->horizontalHeader()->viewport()->mapToGlobal(pos));
	534	}
	535
	536	void View::on_table_header_toggled(bool checked)
	537	{
	538	QAction* action = qobject_cast<QAction*>(QObject::sender());
	539	assert(action);
	540
	541	const int column = action->data().toInt();
	542
	543	table_view_->horizontalHeader()->setSectionHidden(column, !checked);
	544	}
	545
24d69d27 SA	546	void View::perform_delayed_view_update()
	547	{
	548	update_data();
	549	}
	550
	551
	552	} // namespace tabular_decoder
	553	} // namespace views
	554	} // namespace pv