[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 <QFileDialog>
#include <QMessageBox>
#include <QMenu>
#include <QMenuBar>
#include <QSettings>
#include <QStatusBar>
#include <QVBoxLayout>
#include <QWidget>

#include "mainwindow.h"

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

/* __STDC_FORMAT_MACROS is required for PRIu64 and friends (in C++). */
#define __STDC_FORMAT_MACROS
#include <inttypes.h>
#include <stdint.h>
#include <stdarg.h>
#include <glib.h>
#include <libsigrok/libsigrok.h>

using std::list;
using std::shared_ptr;

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

	resize(1024, 768);

	// 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->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();

	connect(_sampling_bar, SIGNAL(run_stop()), this,
		SLOT(run_stop()));
	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)));

}

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<pv::device::DevInst> selected_device = _session.get_device();
	list< shared_ptr<device::DevInst> > devices;
	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);

	_sampling_bar->set_device_list(devices, selected_device);
}

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(QString e) {
		show_session_error(tr("Failed to load ") + file_name, e);
		_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())
		_session.set_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(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::run_stop()
{
	switch(_session.get_capture_state()) {
	case SigSession::Stopped:
		_session.start_capture([&](QString message) {
			session_error("Capture failed", message); });
		break;

	case SigSession::AwaitingTrigger:
	case SigSession::Running:
		_session.stop_capture();
		break;
	}
}

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

} // 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 <QFileDialog>
	34	#include <QMessageBox>
	35	#include <QMenu>
	36	#include <QMenuBar>
	37	#include <QSettings>
	38	#include <QStatusBar>
	39	#include <QVBoxLayout>
	40	#include <QWidget>
	41
	42	#include "mainwindow.h"
	43
	44	#include "devicemanager.h"
	45	#include "device/device.h"
	46	#include "dialogs/about.h"
	47	#include "dialogs/connect.h"
	48	#include "dialogs/storeprogress.h"
	49	#include "toolbars/samplingbar.h"
	50	#include "view/logicsignal.h"
	51	#include "view/view.h"
	52	#ifdef ENABLE_DECODE
	53	#include "widgets/decodermenu.h"
	54	#endif
	55
	56	/* __STDC_FORMAT_MACROS is required for PRIu64 and friends (in C++). */
	57	#define __STDC_FORMAT_MACROS
	58	#include <inttypes.h>
	59	#include <stdint.h>
	60	#include <stdarg.h>
	61	#include <glib.h>
	62	#include <libsigrok/libsigrok.h>
	63
	64	using std::list;
	65	using std::shared_ptr;
	66
	67	namespace pv {
	68
	69	namespace view {
	70	class SelectableItem;
	71	}
	72
	73	const char *MainWindow::SettingOpenDirectory = "MainWindow/OpenDirectory";
	74	const char *MainWindow::SettingSaveDirectory = "MainWindow/SaveDirectory";
	75
	76	MainWindow::MainWindow(DeviceManager &device_manager,
	77	const char *open_file_name,
	78	QWidget *parent) :
	79	QMainWindow(parent),
	80	_device_manager(device_manager),
	81	_session(device_manager)
	82	{
	83	setup_ui();
	84	if (open_file_name) {
	85	const QString s(QString::fromUtf8(open_file_name));
	86	QMetaObject::invokeMethod(this, "load_file",
	87	Qt::QueuedConnection,
	88	Q_ARG(QString, s));
	89	}
	90	}
	91
	92	void MainWindow::setup_ui()
	93	{
	94	setObjectName(QString::fromUtf8("MainWindow"));
	95
	96	resize(1024, 768);
	97
	98	// Set the window icon
	99	QIcon icon;
	100	icon.addFile(QString::fromUtf8(":/icons/sigrok-logo-notext.png"),
	101	QSize(), QIcon::Normal, QIcon::Off);
	102	setWindowIcon(icon);
	103
	104	// Setup the central widget
	105	_central_widget = new QWidget(this);
	106	_vertical_layout = new QVBoxLayout(_central_widget);
	107	_vertical_layout->setSpacing(6);
	108	_vertical_layout->setContentsMargins(0, 0, 0, 0);
	109	setCentralWidget(_central_widget);
	110
	111	_view = new pv::view::View(_session, this);
	112
	113	_vertical_layout->addWidget(_view);
	114
	115	// Setup the menu bar
	116	QMenuBar *const menu_bar = new QMenuBar(this);
	117	menu_bar->setGeometry(QRect(0, 0, 400, 25));
	118
	119	// File Menu
	120	QMenu *const menu_file = new QMenu;
	121	menu_file->setTitle(tr("&File"));
	122
	123	QAction *const action_open = new QAction(this);
	124	action_open->setText(tr("&Open..."));
	125	action_open->setIcon(QIcon::fromTheme("document-open",
	126	QIcon(":/icons/document-open.png")));
	127	action_open->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_O));
	128	action_open->setObjectName(QString::fromUtf8("actionOpen"));
	129	menu_file->addAction(action_open);
	130
	131	QAction *const action_save_as = new QAction(this);
	132	action_save_as->setText(tr("&Save As..."));
	133	action_save_as->setIcon(QIcon::fromTheme("document-save-as",
	134	QIcon(":/icons/document-save-as.png")));
	135	action_save_as->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
	136	action_save_as->setObjectName(QString::fromUtf8("actionSaveAs"));
	137	menu_file->addAction(action_save_as);
	138
	139	menu_file->addSeparator();
	140
	141	QAction *const action_connect = new QAction(this);
	142	action_connect->setText(tr("&Connect to Device..."));
	143	action_connect->setObjectName(QString::fromUtf8("actionConnect"));
	144	menu_file->addAction(action_connect);
	145
	146	menu_file->addSeparator();
	147
	148	QAction *action_quit = new QAction(this);
	149	action_quit->setText(tr("&Quit"));
	150	action_quit->setIcon(QIcon::fromTheme("application-exit",
	151	QIcon(":/icons/application-exit.png")));
	152	action_quit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
	153	action_quit->setObjectName(QString::fromUtf8("actionQuit"));
	154	menu_file->addAction(action_quit);
	155
	156	// View Menu
	157	QMenu *menu_view = new QMenu;
	158	menu_view->setTitle(tr("&View"));
	159
	160	QAction *const action_view_zoom_in = new QAction(this);
	161	action_view_zoom_in->setText(tr("Zoom &In"));
	162	action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in",
	163	QIcon(":/icons/zoom-in.png")));
	164	// simply using Qt::Key_Plus shows no + in the menu
	165	action_view_zoom_in->setShortcut(QKeySequence::ZoomIn);
	166	action_view_zoom_in->setObjectName(
	167	QString::fromUtf8("actionViewZoomIn"));
	168	menu_view->addAction(action_view_zoom_in);
	169
	170	QAction *const action_view_zoom_out = new QAction(this);
	171	action_view_zoom_out->setText(tr("Zoom &Out"));
	172	action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out",
	173	QIcon(":/icons/zoom-out.png")));
	174	action_view_zoom_out->setShortcut(QKeySequence::ZoomOut);
	175	action_view_zoom_out->setObjectName(
	176	QString::fromUtf8("actionViewZoomOut"));
	177	menu_view->addAction(action_view_zoom_out);
	178
	179	QAction *const action_view_zoom_fit = new QAction(this);
	180	action_view_zoom_fit->setText(tr("Zoom to &Fit"));
	181	action_view_zoom_fit->setIcon(QIcon::fromTheme("zoom-fit",
	182	QIcon(":/icons/zoom-fit.png")));
	183	action_view_zoom_fit->setShortcut(QKeySequence(Qt::Key_F));
	184	action_view_zoom_fit->setObjectName(
	185	QString::fromUtf8("actionViewZoomFit"));
	186	menu_view->addAction(action_view_zoom_fit);
	187
	188	QAction *const action_view_zoom_one_to_one = new QAction(this);
	189	action_view_zoom_one_to_one->setText(tr("Zoom to &One-to-One"));
	190	action_view_zoom_one_to_one->setIcon(QIcon::fromTheme("zoom-original",
	191	QIcon(":/icons/zoom-original.png")));
	192	action_view_zoom_one_to_one->setShortcut(QKeySequence(Qt::Key_O));
	193	action_view_zoom_one_to_one->setObjectName(
	194	QString::fromUtf8("actionViewZoomOneToOne"));
	195	menu_view->addAction(action_view_zoom_one_to_one);
	196
	197	menu_view->addSeparator();
	198
	199	QAction *action_view_show_cursors = new QAction(this);
	200	action_view_show_cursors->setCheckable(true);
	201	action_view_show_cursors->setChecked(_view->cursors_shown());
	202	action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C));
	203	action_view_show_cursors->setObjectName(
	204	QString::fromUtf8("actionViewShowCursors"));
	205	action_view_show_cursors->setText(tr("Show &Cursors"));
	206	menu_view->addAction(action_view_show_cursors);
	207
	208	// Decoders Menu
	209	#ifdef ENABLE_DECODE
	210	QMenu *const menu_decoders = new QMenu;
	211	menu_decoders->setTitle(tr("&Decoders"));
	212
	213	pv::widgets::DecoderMenu *const menu_decoders_add =
	214	new pv::widgets::DecoderMenu(menu_decoders, true);
	215	menu_decoders_add->setTitle(tr("&Add"));
	216	connect(menu_decoders_add, SIGNAL(decoder_selected(srd_decoder*)),
	217	this, SLOT(add_decoder(srd_decoder*)));
	218
	219	menu_decoders->addMenu(menu_decoders_add);
	220	#endif
	221
	222	// Help Menu
	223	QMenu *const menu_help = new QMenu;
	224	menu_help->setTitle(tr("&Help"));
	225
	226	QAction *const action_about = new QAction(this);
	227	action_about->setObjectName(QString::fromUtf8("actionAbout"));
	228	action_about->setText(tr("&About..."));
	229	menu_help->addAction(action_about);
	230
	231	menu_bar->addAction(menu_file->menuAction());
	232	menu_bar->addAction(menu_view->menuAction());
	233	#ifdef ENABLE_DECODE
	234	menu_bar->addAction(menu_decoders->menuAction());
	235	#endif
	236	menu_bar->addAction(menu_help->menuAction());
	237
	238	setMenuBar(menu_bar);
	239	QMetaObject::connectSlotsByName(this);
	240
	241	// Setup the toolbar
	242	QToolBar *const toolbar = new QToolBar(tr("Main Toolbar"), this);
	243	toolbar->addAction(action_open);
	244	toolbar->addAction(action_save_as);
	245	toolbar->addSeparator();
	246	toolbar->addAction(action_view_zoom_in);
	247	toolbar->addAction(action_view_zoom_out);
	248	toolbar->addAction(action_view_zoom_fit);
	249	toolbar->addAction(action_view_zoom_one_to_one);
	250	addToolBar(toolbar);
	251
	252	// Setup the sampling bar
	253	_sampling_bar = new toolbars::SamplingBar(_session, this);
	254
	255	// Populate the device list and select the initially selected device
	256	update_device_list();
	257
	258	connect(_sampling_bar, SIGNAL(run_stop()), this,
	259	SLOT(run_stop()));
	260	addToolBar(_sampling_bar);
	261
	262	// Set the title
	263	setWindowTitle(tr("PulseView"));
	264
	265	// Setup _session events
	266	connect(&_session, SIGNAL(capture_state_changed(int)), this,
	267	SLOT(capture_state_changed(int)));
	268
	269	}
	270
	271	void MainWindow::session_error(
	272	const QString text, const QString info_text)
	273	{
	274	QMetaObject::invokeMethod(this, "show_session_error",
	275	Qt::QueuedConnection, Q_ARG(QString, text),
	276	Q_ARG(QString, info_text));
	277	}
	278
	279	void MainWindow::update_device_list()
	280	{
	281	assert(_sampling_bar);
	282
	283	shared_ptr<pv::device::DevInst> selected_device = _session.get_device();
	284	list< shared_ptr<device::DevInst> > devices;
	285	std::copy(_device_manager.devices().begin(),
	286	_device_manager.devices().end(), std::back_inserter(devices));
	287
	288	if (std::find(devices.begin(), devices.end(), selected_device) ==
	289	devices.end())
	290	devices.push_back(selected_device);
	291	assert(selected_device);
	292
	293	_sampling_bar->set_device_list(devices, selected_device);
	294	}
	295
	296	void MainWindow::load_file(QString file_name)
	297	{
	298	const QString errorMessage(
	299	QString("Failed to load file %1").arg(file_name));
	300	const QString infoMessage;
	301
	302	try {
	303	_session.set_file(file_name.toStdString());
	304	} catch(QString e) {
	305	show_session_error(tr("Failed to load ") + file_name, e);
	306	_session.set_default_device();
	307	update_device_list();
	308	return;
	309	}
	310
	311	update_device_list();
	312
	313	_session.start_capture([&, errorMessage, infoMessage](QString) {
	314	session_error(errorMessage, infoMessage); });
	315	}
	316
	317	void MainWindow::show_session_error(
	318	const QString text, const QString info_text)
	319	{
	320	QMessageBox msg(this);
	321	msg.setText(text);
	322	msg.setInformativeText(info_text);
	323	msg.setStandardButtons(QMessageBox::Ok);
	324	msg.setIcon(QMessageBox::Warning);
	325	msg.exec();
	326	}
	327
	328	void MainWindow::on_actionOpen_triggered()
	329	{
	330	QSettings settings;
	331	const QString dir = settings.value(SettingOpenDirectory).toString();
	332
	333	// Show the dialog
	334	const QString file_name = QFileDialog::getOpenFileName(
	335	this, tr("Open File"), dir, tr(
	336	"Sigrok Sessions (*.sr);;"
	337	"All Files (.)"));
	338
	339	if (!file_name.isEmpty()) {
	340	load_file(file_name);
	341
	342	const QString abs_path = QFileInfo(file_name).absolutePath();
	343	settings.setValue(SettingOpenDirectory, abs_path);
	344	}
	345	}
	346
	347	void MainWindow::on_actionSaveAs_triggered()
	348	{
	349	using pv::dialogs::StoreProgress;
	350
	351	// Stop any currently running capture session
	352	_session.stop_capture();
	353
	354	QSettings settings;
	355	const QString dir = settings.value(SettingSaveDirectory).toString();
	356
	357	// Show the dialog
	358	const QString file_name = QFileDialog::getSaveFileName(
	359	this, tr("Save File"), dir, tr("Sigrok Sessions (*.sr)"));
	360
	361	if (file_name.isEmpty())
	362	return;
	363
	364	const QString abs_path = QFileInfo(file_name).absolutePath();
	365	settings.setValue(SettingSaveDirectory, abs_path);
	366
	367	StoreProgress *dlg = new StoreProgress(file_name, _session, this);
	368	dlg->run();
	369	}
	370
	371	void MainWindow::on_actionConnect_triggered()
	372	{
	373	// Stop any currently running capture session
	374	_session.stop_capture();
	375
	376	dialogs::Connect dlg(this, _device_manager);
	377
	378	// If the user selected a device, select it in the device list. Select the
	379	// current device otherwise.
	380	if (dlg.exec())
	381	_session.set_device(dlg.get_selected_device());
	382
	383	update_device_list();
	384	}
	385
	386	void MainWindow::on_actionQuit_triggered()
	387	{
	388	close();
	389	}
	390
	391	void MainWindow::on_actionViewZoomIn_triggered()
	392	{
	393	_view->zoom(1);
	394	}
	395
	396	void MainWindow::on_actionViewZoomOut_triggered()
	397	{
	398	_view->zoom(-1);
	399	}
	400
	401	void MainWindow::on_actionViewZoomFit_triggered()
	402	{
	403	_view->zoom_fit();
	404	}
	405
	406	void MainWindow::on_actionViewZoomOneToOne_triggered()
	407	{
	408	_view->zoom_one_to_one();
	409	}
	410
	411	void MainWindow::on_actionViewShowCursors_triggered()
	412	{
	413	assert(_view);
	414
	415	const bool show = !_view->cursors_shown();
	416	if(show)
	417	_view->centre_cursors();
	418
	419	_view->show_cursors(show);
	420	}
	421
	422	void MainWindow::on_actionAbout_triggered()
	423	{
	424	dialogs::About dlg(this);
	425	dlg.exec();
	426	}
	427
	428	void MainWindow::add_decoder(srd_decoder *decoder)
	429	{
	430	#ifdef ENABLE_DECODE
	431	assert(decoder);
	432	_session.add_decoder(decoder);
	433	#else
	434	(void)decoder;
	435	#endif
	436	}
	437
	438	void MainWindow::run_stop()
	439	{
	440	switch(_session.get_capture_state()) {
	441	case SigSession::Stopped:
	442	_session.start_capture([&](QString message) {
	443	session_error("Capture failed", message); });
	444	break;
	445
	446	case SigSession::AwaitingTrigger:
	447	case SigSession::Running:
	448	_session.stop_capture();
	449	break;
	450	}
	451	}
	452
	453	void MainWindow::capture_state_changed(int state)
	454	{
	455	_sampling_bar->set_capture_state((pv::SigSession::capture_state)state);
	456	}
	457
	458	} // namespace pv