[pulseview.git] / pv / mainwindow.cpp

/*
 * This file is part of the PulseView project.
 *
 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#include <cassert>

#ifdef ENABLE_DECODE
#include <libsigrokdecode/libsigrokdecode.h>
#endif

#include <algorithm>
#include <iterator>

#include <QAction>
#include <QApplication>
#include <QButtonGroup>
#include <QCloseEvent>
#include <QFileDialog>
#include <QMessageBox>
#include <QMenu>
#include <QMenuBar>
#include <QSettings>
#include <QStatusBar>
#include <QVBoxLayout>
#include <QWidget>

#include "mainwindow.hpp"

#include "devicemanager.hpp"
#include "dialogs/about.hpp"
#include "dialogs/connect.hpp"
#include "dialogs/storeprogress.hpp"
#include "toolbars/samplingbar.hpp"
#include "view/logicsignal.hpp"
#include "view/view.hpp"
#ifdef ENABLE_DECODE
#include "widgets/decodermenu.hpp"
#endif

#include <inttypes.h>
#include <stdint.h>
#include <stdarg.h>
#include <glib.h>
#include <libsigrok/libsigrok.hpp>

using std::list;
using std::map;
using std::pair;
using std::shared_ptr;
using std::string;

using sigrok::Device;
using sigrok::Error;
using sigrok::HardwareDevice;

namespace pv {

namespace view {
class SelectableItem;
}

const char *MainWindow::SettingOpenDirectory = "MainWindow/OpenDirectory";
const char *MainWindow::SettingSaveDirectory = "MainWindow/SaveDirectory";

MainWindow::MainWindow(DeviceManager &device_manager,
	const char *open_file_name,
	QWidget *parent) :
	QMainWindow(parent),
	device_manager_(device_manager),
	session_(device_manager)
{
	setup_ui();
	restore_ui_settings();
	if (open_file_name) {
		const QString s(QString::fromUtf8(open_file_name));
		QMetaObject::invokeMethod(this, "load_file",
			Qt::QueuedConnection,
			Q_ARG(QString, s));
	}
}

void MainWindow::run_stop()
{
	switch(session_.get_capture_state()) {
	case Session::Stopped:
		session_.start_capture([&](QString message) {
			session_error("Capture failed", message); });
		break;

	case Session::AwaitingTrigger:
	case Session::Running:
		session_.stop_capture();
		break;
	}
}

void MainWindow::select_device(shared_ptr<Device> device)
{
	try {
		session_.set_device(device);
	} catch(const QString &e) {
		QMessageBox msg(this);
		msg.setText(e);
		msg.setInformativeText(tr("Failed to Select Device"));
		msg.setStandardButtons(QMessageBox::Ok);
		msg.setIcon(QMessageBox::Warning);
		msg.exec();
	}
}

void MainWindow::setup_ui()
{
	setObjectName(QString::fromUtf8("MainWindow"));

	// Set the window icon
	QIcon icon;
	icon.addFile(QString::fromUtf8(":/icons/sigrok-logo-notext.png"),
		QSize(), QIcon::Normal, QIcon::Off);
	setWindowIcon(icon);

	// Setup the central widget
	central_widget_ = new QWidget(this);
	vertical_layout_ = new QVBoxLayout(central_widget_);
	vertical_layout_->setSpacing(6);
	vertical_layout_->setContentsMargins(0, 0, 0, 0);
	setCentralWidget(central_widget_);

	view_ = new pv::view::View(session_, this);

	vertical_layout_->addWidget(view_);

	// Setup the menu bar
	QMenuBar *const menu_bar = new QMenuBar(this);
	menu_bar->setGeometry(QRect(0, 0, 400, 25));

	// File Menu
	QMenu *const menu_file = new QMenu;
	menu_file->setTitle(tr("&File"));

	QAction *const action_open = new QAction(this);
	action_open->setText(tr("&Open..."));
	action_open->setIcon(QIcon::fromTheme("document-open",
		QIcon(":/icons/document-open.png")));
	action_open->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_O));
	action_open->setObjectName(QString::fromUtf8("actionOpen"));
	menu_file->addAction(action_open);

	QAction *const action_save_as = new QAction(this);
	action_save_as->setText(tr("&Save As..."));
	action_save_as->setIcon(QIcon::fromTheme("document-save-as",
		QIcon(":/icons/document-save-as.png")));
	action_save_as->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
	action_save_as->setObjectName(QString::fromUtf8("actionSaveAs"));
	menu_file->addAction(action_save_as);

	menu_file->addSeparator();

	QAction *const action_connect = new QAction(this);
	action_connect->setText(tr("&Connect to Device..."));
	action_connect->setObjectName(QString::fromUtf8("actionConnect"));
	menu_file->addAction(action_connect);

	menu_file->addSeparator();

	QAction *action_quit = new QAction(this);
	action_quit->setText(tr("&Quit"));
	action_quit->setIcon(QIcon::fromTheme("application-exit",
		QIcon(":/icons/application-exit.png")));
	action_quit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
	action_quit->setObjectName(QString::fromUtf8("actionQuit"));
	menu_file->addAction(action_quit);

	// View Menu
	QMenu *menu_view = new QMenu;
	menu_view->setTitle(tr("&View"));

	QAction *const action_view_zoom_in = new QAction(this);
	action_view_zoom_in->setText(tr("Zoom &In"));
	action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in",
		QIcon(":/icons/zoom-in.png")));
	// simply using Qt::Key_Plus shows no + in the menu
	action_view_zoom_in->setShortcut(QKeySequence::ZoomIn);
	action_view_zoom_in->setObjectName(
		QString::fromUtf8("actionViewZoomIn"));
	menu_view->addAction(action_view_zoom_in);

	QAction *const action_view_zoom_out = new QAction(this);
	action_view_zoom_out->setText(tr("Zoom &Out"));
	action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out",
		QIcon(":/icons/zoom-out.png")));
	action_view_zoom_out->setShortcut(QKeySequence::ZoomOut);
	action_view_zoom_out->setObjectName(
		QString::fromUtf8("actionViewZoomOut"));
	menu_view->addAction(action_view_zoom_out);

	QAction *const action_view_zoom_fit = new QAction(this);
	action_view_zoom_fit->setText(tr("Zoom to &Fit"));
	action_view_zoom_fit->setIcon(QIcon::fromTheme("zoom-fit",
		QIcon(":/icons/zoom-fit.png")));
	action_view_zoom_fit->setShortcut(QKeySequence(Qt::Key_F));
	action_view_zoom_fit->setObjectName(
		QString::fromUtf8("actionViewZoomFit"));
	menu_view->addAction(action_view_zoom_fit);

	QAction *const action_view_zoom_one_to_one = new QAction(this);
	action_view_zoom_one_to_one->setText(tr("Zoom to &One-to-One"));
	action_view_zoom_one_to_one->setIcon(QIcon::fromTheme("zoom-original",
		QIcon(":/icons/zoom-original.png")));
	action_view_zoom_one_to_one->setShortcut(QKeySequence(Qt::Key_O));
	action_view_zoom_one_to_one->setObjectName(
		QString::fromUtf8("actionViewZoomOneToOne"));
	menu_view->addAction(action_view_zoom_one_to_one);

	menu_view->addSeparator();

	QAction *action_view_show_cursors = new QAction(this);
	action_view_show_cursors->setCheckable(true);
	action_view_show_cursors->setChecked(view_->cursors_shown());
	action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C));
	action_view_show_cursors->setObjectName(
		QString::fromUtf8("actionViewShowCursors"));
	action_view_show_cursors->setText(tr("Show &Cursors"));
	menu_view->addAction(action_view_show_cursors);

	// Decoders Menu
#ifdef ENABLE_DECODE
	QMenu *const menu_decoders = new QMenu;
	menu_decoders->setTitle(tr("&Decoders"));

	pv::widgets::DecoderMenu *const menu_decoders_add =
		new pv::widgets::DecoderMenu(menu_decoders, true);
	menu_decoders_add->setTitle(tr("&Add"));
	connect(menu_decoders_add, SIGNAL(decoder_selected(srd_decoder*)),
		this, SLOT(add_decoder(srd_decoder*)));

	menu_decoders->addMenu(menu_decoders_add);
#endif

	// Help Menu
	QMenu *const menu_help = new QMenu;
	menu_help->setTitle(tr("&Help"));

	QAction *const action_about = new QAction(this);
	action_about->setObjectName(QString::fromUtf8("actionAbout"));
	action_about->setText(tr("&About..."));
	menu_help->addAction(action_about);

	menu_bar->addAction(menu_file->menuAction());
	menu_bar->addAction(menu_view->menuAction());
#ifdef ENABLE_DECODE
	menu_bar->addAction(menu_decoders->menuAction());
#endif
	menu_bar->addAction(menu_help->menuAction());

	setMenuBar(menu_bar);
	QMetaObject::connectSlotsByName(this);

	// Setup the toolbar
	QToolBar *const toolbar = new QToolBar(tr("Main Toolbar"), this);
	toolbar->setObjectName(QString::fromUtf8("MainToolbar"));
	toolbar->addAction(action_open);
	toolbar->addAction(action_save_as);
	toolbar->addSeparator();
	toolbar->addAction(action_view_zoom_in);
	toolbar->addAction(action_view_zoom_out);
	toolbar->addAction(action_view_zoom_fit);
	toolbar->addAction(action_view_zoom_one_to_one);
	addToolBar(toolbar);

	// Setup the sampling bar
	sampling_bar_ = new toolbars::SamplingBar(session_, *this);

	// Populate the device list and select the initially selected device
	update_device_list();

	addToolBar(sampling_bar_);

	// Set the title
	setWindowTitle(tr("PulseView"));

	// Setup session_ events
	connect(&session_, SIGNAL(capture_state_changed(int)), this,
		SLOT(capture_state_changed(int)));
	connect(&session_, SIGNAL(device_selected()), this,
		SLOT(device_selected()));
}

void MainWindow::save_ui_settings()
{
	QSettings settings;

	map<string, string> dev_info;
	list<string> key_list;

	settings.beginGroup("MainWindow");
	settings.setValue("state", saveState());
	settings.setValue("geometry", saveGeometry());
	settings.endGroup();

	if (session_.device()) {
		settings.beginGroup("Device");
		key_list.push_back("vendor");
		key_list.push_back("model");
		key_list.push_back("version");
		key_list.push_back("serial_num");
		key_list.push_back("connection_id");

		dev_info = device_manager_.get_device_info(
			session_.device());

		for (string key : key_list) {

			if (dev_info.count(key))
				settings.setValue(QString::fromUtf8(key.c_str()),
						QString::fromUtf8(dev_info.at(key).c_str()));
			else
				settings.remove(QString::fromUtf8(key.c_str()));
		}

		settings.endGroup();
	}
}

void MainWindow::restore_ui_settings()
{
	QSettings settings;

	shared_ptr<HardwareDevice> device;

	map<string, string> dev_info;
	list<string> key_list;
	string value;

	settings.beginGroup("MainWindow");

	if (settings.contains("geometry")) {
		restoreGeometry(settings.value("geometry").toByteArray());
		restoreState(settings.value("state").toByteArray());
	} else
		resize(1000, 720);

	settings.endGroup();

	// Re-select last used device if possible.
	settings.beginGroup("Device");
	key_list.push_back("vendor");
	key_list.push_back("model");
	key_list.push_back("version");
	key_list.push_back("serial_num");
	key_list.push_back("connection_id");

	for (string key : key_list) {
		if (!settings.contains(QString::fromUtf8(key.c_str())))
			continue;

		value = settings.value(QString::fromUtf8(key.c_str())).toString().toStdString();

		if (value.size() > 0)
			dev_info.insert(std::make_pair(key, value));
	}

	device = device_manager_.find_device_from_info(dev_info);

	if (device) {
		select_device(device);
		update_device_list();
	}

	settings.endGroup();
}

void MainWindow::session_error(
	const QString text, const QString info_text)
{
	QMetaObject::invokeMethod(this, "show_session_error",
		Qt::QueuedConnection, Q_ARG(QString, text),
		Q_ARG(QString, info_text));
}

void MainWindow::update_device_list()
{
	assert(sampling_bar_);

	shared_ptr<Device> selected_device = session_.device();
	list< shared_ptr<Device> > devices;

	if (device_manager_.devices().size() == 0)
		return;

	std::copy(device_manager_.devices().begin(),
		device_manager_.devices().end(), std::back_inserter(devices));

	if (std::find(devices.begin(), devices.end(), selected_device) ==
		devices.end())
		devices.push_back(selected_device);
	assert(selected_device);

	list< pair< shared_ptr<Device>, string> > device_list;

	for (auto device : devices)
		device_list.push_back(make_pair(
			device, device_manager_.get_display_name(device)));

	sampling_bar_->set_device_list(device_list, selected_device);
}

void MainWindow::closeEvent(QCloseEvent *event)
{
	save_ui_settings();
	event->accept();
}

void MainWindow::load_file(QString file_name)
{
	const QString errorMessage(
		QString("Failed to load file %1").arg(file_name));
	const QString infoMessage;

	try {
		session_.set_file(file_name.toStdString());
	} catch(Error e) {
		show_session_error(tr("Failed to load ") + file_name, e.what());
		session_.set_default_device();
		update_device_list();
		return;
	}

	update_device_list();

	session_.start_capture([&, errorMessage, infoMessage](QString) {
		session_error(errorMessage, infoMessage); });
}

void MainWindow::show_session_error(
	const QString text, const QString info_text)
{
	QMessageBox msg(this);
	msg.setText(text);
	msg.setInformativeText(info_text);
	msg.setStandardButtons(QMessageBox::Ok);
	msg.setIcon(QMessageBox::Warning);
	msg.exec();
}

void MainWindow::on_actionOpen_triggered()
{
	QSettings settings;
	const QString dir = settings.value(SettingOpenDirectory).toString();

	// Show the dialog
	const QString file_name = QFileDialog::getOpenFileName(
		this, tr("Open File"), dir, tr(
			"Sigrok Sessions (*.sr);;"
			"All Files (*.*)"));

	if (!file_name.isEmpty()) {
		load_file(file_name);

		const QString abs_path = QFileInfo(file_name).absolutePath();
		settings.setValue(SettingOpenDirectory, abs_path);
	}
}

void MainWindow::on_actionSaveAs_triggered()
{
	using pv::dialogs::StoreProgress;

	// Stop any currently running capture session
	session_.stop_capture();

	QSettings settings;
	const QString dir = settings.value(SettingSaveDirectory).toString();

	// Show the dialog
	const QString file_name = QFileDialog::getSaveFileName(
		this, tr("Save File"), dir, tr("Sigrok Sessions (*.sr)"));

	if (file_name.isEmpty())
		return;

	const QString abs_path = QFileInfo(file_name).absolutePath();
	settings.setValue(SettingSaveDirectory, abs_path);

	StoreProgress *dlg = new StoreProgress(file_name, session_, this);
	dlg->run();
}

void MainWindow::on_actionConnect_triggered()
{
	// Stop any currently running capture session
	session_.stop_capture();

	dialogs::Connect dlg(this, device_manager_);

	// If the user selected a device, select it in the device list. Select the
	// current device otherwise.
	if (dlg.exec())
		select_device(dlg.get_selected_device());

	update_device_list();
}

void MainWindow::on_actionQuit_triggered()
{
	close();
}

void MainWindow::on_actionViewZoomIn_triggered()
{
	view_->zoom(1);
}

void MainWindow::on_actionViewZoomOut_triggered()
{
	view_->zoom(-1);
}

void MainWindow::on_actionViewZoomFit_triggered()
{
	view_->zoom_fit();
}

void MainWindow::on_actionViewZoomOneToOne_triggered()
{
	view_->zoom_one_to_one();
}

void MainWindow::on_actionViewShowCursors_triggered()
{
	assert(view_);

	const bool show = !view_->cursors_shown();
	if(show)
		view_->centre_cursors();

	view_->show_cursors(show);
}

void MainWindow::on_actionAbout_triggered()
{
	dialogs::About dlg(device_manager_.context(), this);
	dlg.exec();
}

void MainWindow::add_decoder(srd_decoder *decoder)
{
#ifdef ENABLE_DECODE
	assert(decoder);
	session_.add_decoder(decoder);
#else
	(void)decoder;
#endif
}

void MainWindow::capture_state_changed(int state)
{
	sampling_bar_->set_capture_state((pv::Session::capture_state)state);
}

void MainWindow::device_selected()
{
	// Set the title to include the device/file name
	const shared_ptr<sigrok::Device> device = session_.device();
	if (!device)
		return;

	const string display_name = device_manager_.get_display_name(device);
	setWindowTitle(tr("%1 - PulseView").arg(display_name.c_str()));
}

} // namespace pv
Commit	Line	Data
	1	/*
	2	* This file is part of the PulseView project.
	3	*
	4	* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
	21	#include <cassert>
	22
	23	#ifdef ENABLE_DECODE
	24	#include <libsigrokdecode/libsigrokdecode.h>
	25	#endif
	26
	27	#include <algorithm>
	28	#include <iterator>
	29
	30	#include <QAction>
	31	#include <QApplication>
	32	#include <QButtonGroup>
	33	#include <QCloseEvent>
	34	#include <QFileDialog>
	35	#include <QMessageBox>
	36	#include <QMenu>
	37	#include <QMenuBar>
	38	#include <QSettings>
	39	#include <QStatusBar>
	40	#include <QVBoxLayout>
	41	#include <QWidget>
	42
	43	#include "mainwindow.hpp"
	44
	45	#include "devicemanager.hpp"
	46	#include "dialogs/about.hpp"
	47	#include "dialogs/connect.hpp"
	48	#include "dialogs/storeprogress.hpp"
	49	#include "toolbars/samplingbar.hpp"
	50	#include "view/logicsignal.hpp"
	51	#include "view/view.hpp"
	52	#ifdef ENABLE_DECODE
	53	#include "widgets/decodermenu.hpp"
	54	#endif
	55
	56	#include <inttypes.h>
	57	#include <stdint.h>
	58	#include <stdarg.h>
	59	#include <glib.h>
	60	#include <libsigrok/libsigrok.hpp>
	61
	62	using std::list;
	63	using std::map;
	64	using std::pair;
	65	using std::shared_ptr;
	66	using std::string;
	67
	68	using sigrok::Device;
	69	using sigrok::Error;
	70	using sigrok::HardwareDevice;
	71
	72	namespace pv {
	73
	74	namespace view {
	75	class SelectableItem;
	76	}
	77
	78	const char *MainWindow::SettingOpenDirectory = "MainWindow/OpenDirectory";
	79	const char *MainWindow::SettingSaveDirectory = "MainWindow/SaveDirectory";
	80
	81	MainWindow::MainWindow(DeviceManager &device_manager,
	82	const char *open_file_name,
	83	QWidget *parent) :
	84	QMainWindow(parent),
	85	device_manager_(device_manager),
	86	session_(device_manager)
	87	{
	88	setup_ui();
	89	restore_ui_settings();
	90	if (open_file_name) {
	91	const QString s(QString::fromUtf8(open_file_name));
	92	QMetaObject::invokeMethod(this, "load_file",
	93	Qt::QueuedConnection,
	94	Q_ARG(QString, s));
	95	}
	96	}
	97
	98	void MainWindow::run_stop()
	99	{
	100	switch(session_.get_capture_state()) {
	101	case Session::Stopped:
	102	session_.start_capture([&](QString message) {
	103	session_error("Capture failed", message); });
	104	break;
	105
	106	case Session::AwaitingTrigger:
	107	case Session::Running:
	108	session_.stop_capture();
	109	break;
	110	}
	111	}
	112
	113	void MainWindow::select_device(shared_ptr<Device> device)
	114	{
	115	try {
	116	session_.set_device(device);
	117	} catch(const QString &e) {
	118	QMessageBox msg(this);
	119	msg.setText(e);
	120	msg.setInformativeText(tr("Failed to Select Device"));
	121	msg.setStandardButtons(QMessageBox::Ok);
	122	msg.setIcon(QMessageBox::Warning);
	123	msg.exec();
	124	}
	125	}
	126
	127	void MainWindow::setup_ui()
	128	{
	129	setObjectName(QString::fromUtf8("MainWindow"));
	130
	131	// Set the window icon
	132	QIcon icon;
	133	icon.addFile(QString::fromUtf8(":/icons/sigrok-logo-notext.png"),
	134	QSize(), QIcon::Normal, QIcon::Off);
	135	setWindowIcon(icon);
	136
	137	// Setup the central widget
	138	central_widget_ = new QWidget(this);
	139	vertical_layout_ = new QVBoxLayout(central_widget_);
	140	vertical_layout_->setSpacing(6);
	141	vertical_layout_->setContentsMargins(0, 0, 0, 0);
	142	setCentralWidget(central_widget_);
	143
	144	view_ = new pv::view::View(session_, this);
	145
	146	vertical_layout_->addWidget(view_);
	147
	148	// Setup the menu bar
	149	QMenuBar *const menu_bar = new QMenuBar(this);
	150	menu_bar->setGeometry(QRect(0, 0, 400, 25));
	151
	152	// File Menu
	153	QMenu *const menu_file = new QMenu;
	154	menu_file->setTitle(tr("&File"));
	155
	156	QAction *const action_open = new QAction(this);
	157	action_open->setText(tr("&Open..."));
	158	action_open->setIcon(QIcon::fromTheme("document-open",
	159	QIcon(":/icons/document-open.png")));
	160	action_open->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_O));
	161	action_open->setObjectName(QString::fromUtf8("actionOpen"));
	162	menu_file->addAction(action_open);
	163
	164	QAction *const action_save_as = new QAction(this);
	165	action_save_as->setText(tr("&Save As..."));
	166	action_save_as->setIcon(QIcon::fromTheme("document-save-as",
	167	QIcon(":/icons/document-save-as.png")));
	168	action_save_as->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
	169	action_save_as->setObjectName(QString::fromUtf8("actionSaveAs"));
	170	menu_file->addAction(action_save_as);
	171
	172	menu_file->addSeparator();
	173
	174	QAction *const action_connect = new QAction(this);
	175	action_connect->setText(tr("&Connect to Device..."));
	176	action_connect->setObjectName(QString::fromUtf8("actionConnect"));
	177	menu_file->addAction(action_connect);
	178
	179	menu_file->addSeparator();
	180
	181	QAction *action_quit = new QAction(this);
	182	action_quit->setText(tr("&Quit"));
	183	action_quit->setIcon(QIcon::fromTheme("application-exit",
	184	QIcon(":/icons/application-exit.png")));
	185	action_quit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
	186	action_quit->setObjectName(QString::fromUtf8("actionQuit"));
	187	menu_file->addAction(action_quit);
	188
	189	// View Menu
	190	QMenu *menu_view = new QMenu;
	191	menu_view->setTitle(tr("&View"));
	192
	193	QAction *const action_view_zoom_in = new QAction(this);
	194	action_view_zoom_in->setText(tr("Zoom &In"));
	195	action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in",
	196	QIcon(":/icons/zoom-in.png")));
	197	// simply using Qt::Key_Plus shows no + in the menu
	198	action_view_zoom_in->setShortcut(QKeySequence::ZoomIn);
	199	action_view_zoom_in->setObjectName(
	200	QString::fromUtf8("actionViewZoomIn"));
	201	menu_view->addAction(action_view_zoom_in);
	202
	203	QAction *const action_view_zoom_out = new QAction(this);
	204	action_view_zoom_out->setText(tr("Zoom &Out"));
	205	action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out",
	206	QIcon(":/icons/zoom-out.png")));
	207	action_view_zoom_out->setShortcut(QKeySequence::ZoomOut);
	208	action_view_zoom_out->setObjectName(
	209	QString::fromUtf8("actionViewZoomOut"));
	210	menu_view->addAction(action_view_zoom_out);
	211
	212	QAction *const action_view_zoom_fit = new QAction(this);
	213	action_view_zoom_fit->setText(tr("Zoom to &Fit"));
	214	action_view_zoom_fit->setIcon(QIcon::fromTheme("zoom-fit",
	215	QIcon(":/icons/zoom-fit.png")));
	216	action_view_zoom_fit->setShortcut(QKeySequence(Qt::Key_F));
	217	action_view_zoom_fit->setObjectName(
	218	QString::fromUtf8("actionViewZoomFit"));
	219	menu_view->addAction(action_view_zoom_fit);
	220
	221	QAction *const action_view_zoom_one_to_one = new QAction(this);
	222	action_view_zoom_one_to_one->setText(tr("Zoom to &One-to-One"));
	223	action_view_zoom_one_to_one->setIcon(QIcon::fromTheme("zoom-original",
	224	QIcon(":/icons/zoom-original.png")));
	225	action_view_zoom_one_to_one->setShortcut(QKeySequence(Qt::Key_O));
	226	action_view_zoom_one_to_one->setObjectName(
	227	QString::fromUtf8("actionViewZoomOneToOne"));
	228	menu_view->addAction(action_view_zoom_one_to_one);
	229
	230	menu_view->addSeparator();
	231
	232	QAction *action_view_show_cursors = new QAction(this);
	233	action_view_show_cursors->setCheckable(true);
	234	action_view_show_cursors->setChecked(view_->cursors_shown());
	235	action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C));
	236	action_view_show_cursors->setObjectName(
	237	QString::fromUtf8("actionViewShowCursors"));
	238	action_view_show_cursors->setText(tr("Show &Cursors"));
	239	menu_view->addAction(action_view_show_cursors);
	240
	241	// Decoders Menu
	242	#ifdef ENABLE_DECODE
	243	QMenu *const menu_decoders = new QMenu;
	244	menu_decoders->setTitle(tr("&Decoders"));
	245
	246	pv::widgets::DecoderMenu *const menu_decoders_add =
	247	new pv::widgets::DecoderMenu(menu_decoders, true);
	248	menu_decoders_add->setTitle(tr("&Add"));
	249	connect(menu_decoders_add, SIGNAL(decoder_selected(srd_decoder*)),
	250	this, SLOT(add_decoder(srd_decoder*)));
	251
	252	menu_decoders->addMenu(menu_decoders_add);
	253	#endif
	254
	255	// Help Menu
	256	QMenu *const menu_help = new QMenu;
	257	menu_help->setTitle(tr("&Help"));
	258
	259	QAction *const action_about = new QAction(this);
	260	action_about->setObjectName(QString::fromUtf8("actionAbout"));
	261	action_about->setText(tr("&About..."));
	262	menu_help->addAction(action_about);
	263
	264	menu_bar->addAction(menu_file->menuAction());
	265	menu_bar->addAction(menu_view->menuAction());
	266	#ifdef ENABLE_DECODE
	267	menu_bar->addAction(menu_decoders->menuAction());
	268	#endif
	269	menu_bar->addAction(menu_help->menuAction());
	270
	271	setMenuBar(menu_bar);
	272	QMetaObject::connectSlotsByName(this);
	273
	274	// Setup the toolbar
	275	QToolBar *const toolbar = new QToolBar(tr("Main Toolbar"), this);
	276	toolbar->setObjectName(QString::fromUtf8("MainToolbar"));
	277	toolbar->addAction(action_open);
	278	toolbar->addAction(action_save_as);
	279	toolbar->addSeparator();
	280	toolbar->addAction(action_view_zoom_in);
	281	toolbar->addAction(action_view_zoom_out);
	282	toolbar->addAction(action_view_zoom_fit);
	283	toolbar->addAction(action_view_zoom_one_to_one);
	284	addToolBar(toolbar);
	285
	286	// Setup the sampling bar
	287	sampling_bar_ = new toolbars::SamplingBar(session_, *this);
	288
	289	// Populate the device list and select the initially selected device
	290	update_device_list();
	291
	292	addToolBar(sampling_bar_);
	293
	294	// Set the title
	295	setWindowTitle(tr("PulseView"));
	296
	297	// Setup session_ events
	298	connect(&session_, SIGNAL(capture_state_changed(int)), this,
	299	SLOT(capture_state_changed(int)));
	300	connect(&session_, SIGNAL(device_selected()), this,
	301	SLOT(device_selected()));
	302	}
	303
	304	void MainWindow::save_ui_settings()
	305	{
	306	QSettings settings;
	307
	308	map<string, string> dev_info;
	309	list<string> key_list;
	310
	311	settings.beginGroup("MainWindow");
	312	settings.setValue("state", saveState());
	313	settings.setValue("geometry", saveGeometry());
	314	settings.endGroup();
	315
	316	if (session_.device()) {
	317	settings.beginGroup("Device");
	318	key_list.push_back("vendor");
	319	key_list.push_back("model");
	320	key_list.push_back("version");
	321	key_list.push_back("serial_num");
	322	key_list.push_back("connection_id");
	323
	324	dev_info = device_manager_.get_device_info(
	325	session_.device());
	326
	327	for (string key : key_list) {
	328
	329	if (dev_info.count(key))
	330	settings.setValue(QString::fromUtf8(key.c_str()),
	331	QString::fromUtf8(dev_info.at(key).c_str()));
	332	else
	333	settings.remove(QString::fromUtf8(key.c_str()));
	334	}
	335
	336	settings.endGroup();
	337	}
	338	}
	339
	340	void MainWindow::restore_ui_settings()
	341	{
	342	QSettings settings;
	343
	344	shared_ptr<HardwareDevice> device;
	345
	346	map<string, string> dev_info;
	347	list<string> key_list;
	348	string value;
	349
	350	settings.beginGroup("MainWindow");
	351
	352	if (settings.contains("geometry")) {
	353	restoreGeometry(settings.value("geometry").toByteArray());
	354	restoreState(settings.value("state").toByteArray());
	355	} else
	356	resize(1000, 720);
	357
	358	settings.endGroup();
	359
	360	// Re-select last used device if possible.
	361	settings.beginGroup("Device");
	362	key_list.push_back("vendor");
	363	key_list.push_back("model");
	364	key_list.push_back("version");
	365	key_list.push_back("serial_num");
	366	key_list.push_back("connection_id");
	367
	368	for (string key : key_list) {
	369	if (!settings.contains(QString::fromUtf8(key.c_str())))
	370	continue;
	371
	372	value = settings.value(QString::fromUtf8(key.c_str())).toString().toStdString();
	373
	374	if (value.size() > 0)
	375	dev_info.insert(std::make_pair(key, value));
	376	}
	377
	378	device = device_manager_.find_device_from_info(dev_info);
	379
	380	if (device) {
	381	select_device(device);
	382	update_device_list();
	383	}
	384
	385	settings.endGroup();
	386	}
	387
	388	void MainWindow::session_error(
	389	const QString text, const QString info_text)
	390	{
	391	QMetaObject::invokeMethod(this, "show_session_error",
	392	Qt::QueuedConnection, Q_ARG(QString, text),
	393	Q_ARG(QString, info_text));
	394	}
	395
	396	void MainWindow::update_device_list()
	397	{
	398	assert(sampling_bar_);
	399
	400	shared_ptr<Device> selected_device = session_.device();
	401	list< shared_ptr<Device> > devices;
	402
	403	if (device_manager_.devices().size() == 0)
	404	return;
	405
	406	std::copy(device_manager_.devices().begin(),
	407	device_manager_.devices().end(), std::back_inserter(devices));
	408
	409	if (std::find(devices.begin(), devices.end(), selected_device) ==
	410	devices.end())
	411	devices.push_back(selected_device);
	412	assert(selected_device);
	413
	414	list< pair< shared_ptr<Device>, string> > device_list;
	415
	416	for (auto device : devices)
	417	device_list.push_back(make_pair(
	418	device, device_manager_.get_display_name(device)));
	419
	420	sampling_bar_->set_device_list(device_list, selected_device);
	421	}
	422
	423	void MainWindow::closeEvent(QCloseEvent *event)
	424	{
	425	save_ui_settings();
	426	event->accept();
	427	}
	428
	429	void MainWindow::load_file(QString file_name)
	430	{
	431	const QString errorMessage(
	432	QString("Failed to load file %1").arg(file_name));
	433	const QString infoMessage;
	434
	435	try {
	436	session_.set_file(file_name.toStdString());
	437	} catch(Error e) {
	438	show_session_error(tr("Failed to load ") + file_name, e.what());
	439	session_.set_default_device();
	440	update_device_list();
	441	return;
	442	}
	443
	444	update_device_list();
	445
	446	session_.start_capture([&, errorMessage, infoMessage](QString) {
	447	session_error(errorMessage, infoMessage); });
	448	}
	449
	450	void MainWindow::show_session_error(
	451	const QString text, const QString info_text)
	452	{
	453	QMessageBox msg(this);
	454	msg.setText(text);
	455	msg.setInformativeText(info_text);
	456	msg.setStandardButtons(QMessageBox::Ok);
	457	msg.setIcon(QMessageBox::Warning);
	458	msg.exec();
	459	}
	460
	461	void MainWindow::on_actionOpen_triggered()
	462	{
	463	QSettings settings;
	464	const QString dir = settings.value(SettingOpenDirectory).toString();
	465
	466	// Show the dialog
	467	const QString file_name = QFileDialog::getOpenFileName(
	468	this, tr("Open File"), dir, tr(
	469	"Sigrok Sessions (*.sr);;"
	470	"All Files (.)"));
	471
	472	if (!file_name.isEmpty()) {
	473	load_file(file_name);
	474
	475	const QString abs_path = QFileInfo(file_name).absolutePath();
	476	settings.setValue(SettingOpenDirectory, abs_path);
	477	}
	478	}
	479
	480	void MainWindow::on_actionSaveAs_triggered()
	481	{
	482	using pv::dialogs::StoreProgress;
	483
	484	// Stop any currently running capture session
	485	session_.stop_capture();
	486
	487	QSettings settings;
	488	const QString dir = settings.value(SettingSaveDirectory).toString();
	489
	490	// Show the dialog
	491	const QString file_name = QFileDialog::getSaveFileName(
	492	this, tr("Save File"), dir, tr("Sigrok Sessions (*.sr)"));
	493
	494	if (file_name.isEmpty())
	495	return;
	496
	497	const QString abs_path = QFileInfo(file_name).absolutePath();
	498	settings.setValue(SettingSaveDirectory, abs_path);
	499
	500	StoreProgress *dlg = new StoreProgress(file_name, session_, this);
	501	dlg->run();
	502	}
	503
	504	void MainWindow::on_actionConnect_triggered()
	505	{
	506	// Stop any currently running capture session
	507	session_.stop_capture();
	508
	509	dialogs::Connect dlg(this, device_manager_);
	510
	511	// If the user selected a device, select it in the device list. Select the
	512	// current device otherwise.
	513	if (dlg.exec())
	514	select_device(dlg.get_selected_device());
	515
	516	update_device_list();
	517	}
	518
	519	void MainWindow::on_actionQuit_triggered()
	520	{
	521	close();
	522	}
	523
	524	void MainWindow::on_actionViewZoomIn_triggered()
	525	{
	526	view_->zoom(1);
	527	}
	528
	529	void MainWindow::on_actionViewZoomOut_triggered()
	530	{
	531	view_->zoom(-1);
	532	}
	533
	534	void MainWindow::on_actionViewZoomFit_triggered()
	535	{
	536	view_->zoom_fit();
	537	}
	538
	539	void MainWindow::on_actionViewZoomOneToOne_triggered()
	540	{
	541	view_->zoom_one_to_one();
	542	}
	543
	544	void MainWindow::on_actionViewShowCursors_triggered()
	545	{
	546	assert(view_);
	547
	548	const bool show = !view_->cursors_shown();
	549	if(show)
	550	view_->centre_cursors();
	551
	552	view_->show_cursors(show);
	553	}
	554
	555	void MainWindow::on_actionAbout_triggered()
	556	{
	557	dialogs::About dlg(device_manager_.context(), this);
	558	dlg.exec();
	559	}
	560
	561	void MainWindow::add_decoder(srd_decoder *decoder)
	562	{
	563	#ifdef ENABLE_DECODE
	564	assert(decoder);
	565	session_.add_decoder(decoder);
	566	#else
	567	(void)decoder;
	568	#endif
	569	}
	570
	571	void MainWindow::capture_state_changed(int state)
	572	{
	573	sampling_bar_->set_capture_state((pv::Session::capture_state)state);
	574	}
	575
	576	void MainWindow::device_selected()
	577	{
	578	// Set the title to include the device/file name
	579	const shared_ptr<sigrok::Device> device = session_.device();
	580	if (!device)
	581	return;
	582
	583	const string display_name = device_manager_.get_display_name(device);
	584	setWindowTitle(tr("%1 - PulseView").arg(display_name.c_str()));
	585	}
	586
	587	} // namespace pv