[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.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();
	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::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();

	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::save_ui_settings()
{
	QSettings settings;

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

void MainWindow::restore_ui_settings()
{
	QSettings settings;

	settings.beginGroup("MainWindow");

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

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

	_sampling_bar->set_device_list(devices, 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(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 <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.h"
	44
	45	#include "devicemanager.h"
	46	#include "device/device.h"
	47	#include "dialogs/about.h"
	48	#include "dialogs/connect.h"
	49	#include "dialogs/storeprogress.h"
	50	#include "toolbars/samplingbar.h"
	51	#include "view/logicsignal.h"
	52	#include "view/view.h"
	53	#ifdef ENABLE_DECODE
	54	#include "widgets/decodermenu.h"
	55	#endif
	56
	57	/* __STDC_FORMAT_MACROS is required for PRIu64 and friends (in C++). */
	58	#define __STDC_FORMAT_MACROS
	59	#include <inttypes.h>
	60	#include <stdint.h>
	61	#include <stdarg.h>
	62	#include <glib.h>
	63	#include <libsigrok/libsigrok.h>
	64
	65	using std::list;
	66	using std::shared_ptr;
	67
	68	namespace pv {
	69
	70	namespace view {
	71	class SelectableItem;
	72	}
	73
	74	const char *MainWindow::SettingOpenDirectory = "MainWindow/OpenDirectory";
	75	const char *MainWindow::SettingSaveDirectory = "MainWindow/SaveDirectory";
	76
	77	MainWindow::MainWindow(DeviceManager &device_manager,
	78	const char *open_file_name,
	79	QWidget *parent) :
	80	QMainWindow(parent),
	81	_device_manager(device_manager),
	82	_session(device_manager)
	83	{
	84	setup_ui();
	85	restore_ui_settings();
	86	if (open_file_name) {
	87	const QString s(QString::fromUtf8(open_file_name));
	88	QMetaObject::invokeMethod(this, "load_file",
	89	Qt::QueuedConnection,
	90	Q_ARG(QString, s));
	91	}
	92	}
	93
	94	void MainWindow::setup_ui()
	95	{
	96	setObjectName(QString::fromUtf8("MainWindow"));
	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->setObjectName(QString::fromUtf8("MainToolbar"));
	244	toolbar->addAction(action_open);
	245	toolbar->addAction(action_save_as);
	246	toolbar->addSeparator();
	247	toolbar->addAction(action_view_zoom_in);
	248	toolbar->addAction(action_view_zoom_out);
	249	toolbar->addAction(action_view_zoom_fit);
	250	toolbar->addAction(action_view_zoom_one_to_one);
	251	addToolBar(toolbar);
	252
	253	// Setup the sampling bar
	254	_sampling_bar = new toolbars::SamplingBar(_session, this);
	255
	256	// Populate the device list and select the initially selected device
	257	update_device_list();
	258
	259	connect(_sampling_bar, SIGNAL(run_stop()), this,
	260	SLOT(run_stop()));
	261	addToolBar(_sampling_bar);
	262
	263	// Set the title
	264	setWindowTitle(tr("PulseView"));
	265
	266	// Setup _session events
	267	connect(&_session, SIGNAL(capture_state_changed(int)), this,
	268	SLOT(capture_state_changed(int)));
	269
	270	}
	271
	272	void MainWindow::save_ui_settings()
	273	{
	274	QSettings settings;
	275
	276	settings.beginGroup("MainWindow");
	277	settings.setValue("state", saveState());
	278	settings.setValue("geometry", saveGeometry());
	279	settings.endGroup();
	280	}
	281
	282	void MainWindow::restore_ui_settings()
	283	{
	284	QSettings settings;
	285
	286	settings.beginGroup("MainWindow");
	287
	288	if (settings.contains("geometry")) {
	289	restoreGeometry(settings.value("geometry").toByteArray());
	290	restoreState(settings.value("state").toByteArray());
	291	} else
	292	resize(1000, 720);
	293
	294	settings.endGroup();
	295	}
	296
	297	void MainWindow::session_error(
	298	const QString text, const QString info_text)
	299	{
	300	QMetaObject::invokeMethod(this, "show_session_error",
	301	Qt::QueuedConnection, Q_ARG(QString, text),
	302	Q_ARG(QString, info_text));
	303	}
	304
	305	void MainWindow::update_device_list()
	306	{
	307	assert(_sampling_bar);
	308
	309	shared_ptr<pv::device::DevInst> selected_device = _session.get_device();
	310	list< shared_ptr<device::DevInst> > devices;
	311
	312	if (_device_manager.devices().size() == 0)
	313	return;
	314
	315	std::copy(_device_manager.devices().begin(),
	316	_device_manager.devices().end(), std::back_inserter(devices));
	317
	318	if (std::find(devices.begin(), devices.end(), selected_device) ==
	319	devices.end())
	320	devices.push_back(selected_device);
	321	assert(selected_device);
	322
	323	_sampling_bar->set_device_list(devices, selected_device);
	324	}
	325
	326	void MainWindow::closeEvent(QCloseEvent *event)
	327	{
	328	save_ui_settings();
	329	event->accept();
	330	}
	331
	332	void MainWindow::load_file(QString file_name)
	333	{
	334	const QString errorMessage(
	335	QString("Failed to load file %1").arg(file_name));
	336	const QString infoMessage;
	337
	338	try {
	339	_session.set_file(file_name.toStdString());
	340	} catch(QString e) {
	341	show_session_error(tr("Failed to load ") + file_name, e);
	342	_session.set_default_device();
	343	update_device_list();
	344	return;
	345	}
	346
	347	update_device_list();
	348
	349	_session.start_capture([&, errorMessage, infoMessage](QString) {
	350	session_error(errorMessage, infoMessage); });
	351	}
	352
	353	void MainWindow::show_session_error(
	354	const QString text, const QString info_text)
	355	{
	356	QMessageBox msg(this);
	357	msg.setText(text);
	358	msg.setInformativeText(info_text);
	359	msg.setStandardButtons(QMessageBox::Ok);
	360	msg.setIcon(QMessageBox::Warning);
	361	msg.exec();
	362	}
	363
	364	void MainWindow::on_actionOpen_triggered()
	365	{
	366	QSettings settings;
	367	const QString dir = settings.value(SettingOpenDirectory).toString();
	368
	369	// Show the dialog
	370	const QString file_name = QFileDialog::getOpenFileName(
	371	this, tr("Open File"), dir, tr(
	372	"Sigrok Sessions (*.sr);;"
	373	"All Files (.)"));
	374
	375	if (!file_name.isEmpty()) {
	376	load_file(file_name);
	377
	378	const QString abs_path = QFileInfo(file_name).absolutePath();
	379	settings.setValue(SettingOpenDirectory, abs_path);
	380	}
	381	}
	382
	383	void MainWindow::on_actionSaveAs_triggered()
	384	{
	385	using pv::dialogs::StoreProgress;
	386
	387	// Stop any currently running capture session
	388	_session.stop_capture();
	389
	390	QSettings settings;
	391	const QString dir = settings.value(SettingSaveDirectory).toString();
	392
	393	// Show the dialog
	394	const QString file_name = QFileDialog::getSaveFileName(
	395	this, tr("Save File"), dir, tr("Sigrok Sessions (*.sr)"));
	396
	397	if (file_name.isEmpty())
	398	return;
	399
	400	const QString abs_path = QFileInfo(file_name).absolutePath();
	401	settings.setValue(SettingSaveDirectory, abs_path);
	402
	403	StoreProgress *dlg = new StoreProgress(file_name, _session, this);
	404	dlg->run();
	405	}
	406
	407	void MainWindow::on_actionConnect_triggered()
	408	{
	409	// Stop any currently running capture session
	410	_session.stop_capture();
	411
	412	dialogs::Connect dlg(this, _device_manager);
	413
	414	// If the user selected a device, select it in the device list. Select the
	415	// current device otherwise.
	416	if (dlg.exec())
	417	_session.set_device(dlg.get_selected_device());
	418
	419	update_device_list();
	420	}
	421
	422	void MainWindow::on_actionQuit_triggered()
	423	{
	424	close();
	425	}
	426
	427	void MainWindow::on_actionViewZoomIn_triggered()
	428	{
	429	_view->zoom(1);
	430	}
	431
	432	void MainWindow::on_actionViewZoomOut_triggered()
	433	{
	434	_view->zoom(-1);
	435	}
	436
	437	void MainWindow::on_actionViewZoomFit_triggered()
	438	{
	439	_view->zoom_fit();
	440	}
	441
	442	void MainWindow::on_actionViewZoomOneToOne_triggered()
	443	{
	444	_view->zoom_one_to_one();
	445	}
	446
	447	void MainWindow::on_actionViewShowCursors_triggered()
	448	{
	449	assert(_view);
	450
	451	const bool show = !_view->cursors_shown();
	452	if(show)
	453	_view->centre_cursors();
	454
	455	_view->show_cursors(show);
	456	}
	457
	458	void MainWindow::on_actionAbout_triggered()
	459	{
	460	dialogs::About dlg(this);
	461	dlg.exec();
	462	}
	463
	464	void MainWindow::add_decoder(srd_decoder *decoder)
	465	{
	466	#ifdef ENABLE_DECODE
	467	assert(decoder);
	468	_session.add_decoder(decoder);
	469	#else
	470	(void)decoder;
	471	#endif
	472	}
	473
	474	void MainWindow::run_stop()
	475	{
	476	switch(_session.get_capture_state()) {
	477	case SigSession::Stopped:
	478	_session.start_capture([&](QString message) {
	479	session_error("Capture failed", message); });
	480	break;
	481
	482	case SigSession::AwaitingTrigger:
	483	case SigSession::Running:
	484	_session.stop_capture();
	485	break;
	486	}
	487	}
	488
	489	void MainWindow::capture_state_changed(int state)
	490	{
	491	_sampling_bar->set_capture_state((pv::SigSession::capture_state)state);
	492	}
	493
	494	} // namespace pv