[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
 */

#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	#ifdef ENABLE_DECODE
	22	#include <libsigrokdecode/libsigrokdecode.h>
	23	#endif
	24
	25	#include <algorithm>
	26	#include <iterator>
	27
	28	#include <QAction>
	29	#include <QApplication>
	30	#include <QButtonGroup>
	31	#include <QFileDialog>
	32	#include <QMessageBox>
	33	#include <QMenu>
	34	#include <QMenuBar>
	35	#include <QSettings>
	36	#include <QStatusBar>
	37	#include <QVBoxLayout>
	38	#include <QWidget>
	39
	40	#include "mainwindow.h"
	41
	42	#include "devicemanager.h"
	43	#include "device/device.h"
	44	#include "dialogs/about.h"
	45	#include "dialogs/connect.h"
	46	#include "dialogs/storeprogress.h"
	47	#include "toolbars/samplingbar.h"
	48	#include "view/logicsignal.h"
	49	#include "view/view.h"
	50	#ifdef ENABLE_DECODE
	51	#include "widgets/decodermenu.h"
	52	#endif
	53
	54	/* __STDC_FORMAT_MACROS is required for PRIu64 and friends (in C++). */
	55	#define __STDC_FORMAT_MACROS
	56	#include <inttypes.h>
	57	#include <stdint.h>
	58	#include <stdarg.h>
	59	#include <glib.h>
	60	#include <libsigrok/libsigrok.h>
	61
	62	using std::list;
	63	using std::shared_ptr;
	64
	65	namespace pv {
	66
	67	namespace view {
	68	class SelectableItem;
	69	}
	70
	71	const char *MainWindow::SettingOpenDirectory = "MainWindow/OpenDirectory";
	72	const char *MainWindow::SettingSaveDirectory = "MainWindow/SaveDirectory";
	73
	74	MainWindow::MainWindow(DeviceManager &device_manager,
	75	const char *open_file_name,
	76	QWidget *parent) :
	77	QMainWindow(parent),
	78	_device_manager(device_manager),
	79	_session(device_manager)
	80	{
	81	setup_ui();
	82	if (open_file_name) {
	83	const QString s(QString::fromUtf8(open_file_name));
	84	QMetaObject::invokeMethod(this, "load_file",
	85	Qt::QueuedConnection,
	86	Q_ARG(QString, s));
	87	}
	88	}
	89
	90	void MainWindow::setup_ui()
	91	{
	92	setObjectName(QString::fromUtf8("MainWindow"));
	93
	94	resize(1024, 768);
	95
	96	// Set the window icon
	97	QIcon icon;
	98	icon.addFile(QString::fromUtf8(":/icons/sigrok-logo-notext.png"),
	99	QSize(), QIcon::Normal, QIcon::Off);
	100	setWindowIcon(icon);
	101
	102	// Setup the central widget
	103	_central_widget = new QWidget(this);
	104	_vertical_layout = new QVBoxLayout(_central_widget);
	105	_vertical_layout->setSpacing(6);
	106	_vertical_layout->setContentsMargins(0, 0, 0, 0);
	107	setCentralWidget(_central_widget);
	108
	109	_view = new pv::view::View(_session, this);
	110
	111	_vertical_layout->addWidget(_view);
	112
	113	// Setup the menu bar
	114	QMenuBar *const menu_bar = new QMenuBar(this);
	115	menu_bar->setGeometry(QRect(0, 0, 400, 25));
	116
	117	// File Menu
	118	QMenu *const menu_file = new QMenu;
	119	menu_file->setTitle(tr("&File"));
	120
	121	QAction *const action_open = new QAction(this);
	122	action_open->setText(tr("&Open..."));
	123	action_open->setIcon(QIcon::fromTheme("document-open",
	124	QIcon(":/icons/document-open.png")));
	125	action_open->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_O));
	126	action_open->setObjectName(QString::fromUtf8("actionOpen"));
	127	menu_file->addAction(action_open);
	128
	129	QAction *const action_save_as = new QAction(this);
	130	action_save_as->setText(tr("&Save As..."));
	131	action_save_as->setIcon(QIcon::fromTheme("document-save-as",
	132	QIcon(":/icons/document-save-as.png")));
	133	action_save_as->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
	134	action_save_as->setObjectName(QString::fromUtf8("actionSaveAs"));
	135	menu_file->addAction(action_save_as);
	136
	137	menu_file->addSeparator();
	138
	139	QAction *const action_connect = new QAction(this);
	140	action_connect->setText(tr("&Connect to Device..."));
	141	action_connect->setObjectName(QString::fromUtf8("actionConnect"));
	142	menu_file->addAction(action_connect);
	143
	144	menu_file->addSeparator();
	145
	146	QAction *action_quit = new QAction(this);
	147	action_quit->setText(tr("&Quit"));
	148	action_quit->setIcon(QIcon::fromTheme("application-exit",
	149	QIcon(":/icons/application-exit.png")));
	150	action_quit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
	151	action_quit->setObjectName(QString::fromUtf8("actionQuit"));
	152	menu_file->addAction(action_quit);
	153
	154	// View Menu
	155	QMenu *menu_view = new QMenu;
	156	menu_view->setTitle(tr("&View"));
	157
	158	QAction *const action_view_zoom_in = new QAction(this);
	159	action_view_zoom_in->setText(tr("Zoom &In"));
	160	action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in",
	161	QIcon(":/icons/zoom-in.png")));
	162	// simply using Qt::Key_Plus shows no + in the menu
	163	action_view_zoom_in->setShortcut(QKeySequence::ZoomIn);
	164	action_view_zoom_in->setObjectName(
	165	QString::fromUtf8("actionViewZoomIn"));
	166	menu_view->addAction(action_view_zoom_in);
	167
	168	QAction *const action_view_zoom_out = new QAction(this);
	169	action_view_zoom_out->setText(tr("Zoom &Out"));
	170	action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out",
	171	QIcon(":/icons/zoom-out.png")));
	172	action_view_zoom_out->setShortcut(QKeySequence::ZoomOut);
	173	action_view_zoom_out->setObjectName(
	174	QString::fromUtf8("actionViewZoomOut"));
	175	menu_view->addAction(action_view_zoom_out);
	176
	177	QAction *const action_view_zoom_fit = new QAction(this);
	178	action_view_zoom_fit->setText(tr("Zoom to &Fit"));
	179	action_view_zoom_fit->setIcon(QIcon::fromTheme("zoom-fit",
	180	QIcon(":/icons/zoom-fit.png")));
	181	action_view_zoom_fit->setShortcut(QKeySequence(Qt::Key_F));
	182	action_view_zoom_fit->setObjectName(
	183	QString::fromUtf8("actionViewZoomFit"));
	184	menu_view->addAction(action_view_zoom_fit);
	185
	186	QAction *const action_view_zoom_one_to_one = new QAction(this);
	187	action_view_zoom_one_to_one->setText(tr("Zoom to &One-to-One"));
	188	action_view_zoom_one_to_one->setIcon(QIcon::fromTheme("zoom-original",
	189	QIcon(":/icons/zoom-original.png")));
	190	action_view_zoom_one_to_one->setShortcut(QKeySequence(Qt::Key_O));
	191	action_view_zoom_one_to_one->setObjectName(
	192	QString::fromUtf8("actionViewZoomOneToOne"));
	193	menu_view->addAction(action_view_zoom_one_to_one);
	194
	195	menu_view->addSeparator();
	196
	197	QAction *action_view_show_cursors = new QAction(this);
	198	action_view_show_cursors->setCheckable(true);
	199	action_view_show_cursors->setChecked(_view->cursors_shown());
	200	action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C));
	201	action_view_show_cursors->setObjectName(
	202	QString::fromUtf8("actionViewShowCursors"));
	203	action_view_show_cursors->setText(tr("Show &Cursors"));
	204	menu_view->addAction(action_view_show_cursors);
	205
	206	// Decoders Menu
	207	#ifdef ENABLE_DECODE
	208	QMenu *const menu_decoders = new QMenu;
	209	menu_decoders->setTitle(tr("&Decoders"));
	210
	211	pv::widgets::DecoderMenu *const menu_decoders_add =
	212	new pv::widgets::DecoderMenu(menu_decoders, true);
	213	menu_decoders_add->setTitle(tr("&Add"));
	214	connect(menu_decoders_add, SIGNAL(decoder_selected(srd_decoder*)),
	215	this, SLOT(add_decoder(srd_decoder*)));
	216
	217	menu_decoders->addMenu(menu_decoders_add);
	218	#endif
	219
	220	// Help Menu
	221	QMenu *const menu_help = new QMenu;
	222	menu_help->setTitle(tr("&Help"));
	223
	224	QAction *const action_about = new QAction(this);
	225	action_about->setObjectName(QString::fromUtf8("actionAbout"));
	226	action_about->setText(tr("&About..."));
	227	menu_help->addAction(action_about);
	228
	229	menu_bar->addAction(menu_file->menuAction());
	230	menu_bar->addAction(menu_view->menuAction());
	231	#ifdef ENABLE_DECODE
	232	menu_bar->addAction(menu_decoders->menuAction());
	233	#endif
	234	menu_bar->addAction(menu_help->menuAction());
	235
	236	setMenuBar(menu_bar);
	237	QMetaObject::connectSlotsByName(this);
	238
	239	// Setup the toolbar
	240	QToolBar *const toolbar = new QToolBar(tr("Main Toolbar"), this);
	241	toolbar->addAction(action_open);
	242	toolbar->addAction(action_save_as);
	243	toolbar->addSeparator();
	244	toolbar->addAction(action_view_zoom_in);
	245	toolbar->addAction(action_view_zoom_out);
	246	toolbar->addAction(action_view_zoom_fit);
	247	toolbar->addAction(action_view_zoom_one_to_one);
	248	addToolBar(toolbar);
	249
	250	// Setup the sampling bar
	251	_sampling_bar = new toolbars::SamplingBar(_session, this);
	252
	253	// Populate the device list and select the initially selected device
	254	update_device_list();
	255
	256	connect(_sampling_bar, SIGNAL(run_stop()), this,
	257	SLOT(run_stop()));
	258	addToolBar(_sampling_bar);
	259
	260	// Set the title
	261	setWindowTitle(tr("PulseView"));
	262
	263	// Setup _session events
	264	connect(&_session, SIGNAL(capture_state_changed(int)), this,
	265	SLOT(capture_state_changed(int)));
	266
	267	}
	268
	269	void MainWindow::session_error(
	270	const QString text, const QString info_text)
	271	{
	272	QMetaObject::invokeMethod(this, "show_session_error",
	273	Qt::QueuedConnection, Q_ARG(QString, text),
	274	Q_ARG(QString, info_text));
	275	}
	276
	277	void MainWindow::update_device_list()
	278	{
	279	assert(_sampling_bar);
	280
	281	shared_ptr<pv::device::DevInst> selected_device = _session.get_device();
	282	list< shared_ptr<device::DevInst> > devices;
	283	std::copy(_device_manager.devices().begin(),
	284	_device_manager.devices().end(), std::back_inserter(devices));
	285
	286	if (std::find(devices.begin(), devices.end(), selected_device) ==
	287	devices.end())
	288	devices.push_back(selected_device);
	289	assert(selected_device);
	290
	291	_sampling_bar->set_device_list(devices, selected_device);
	292	}
	293
	294	void MainWindow::load_file(QString file_name)
	295	{
	296	const QString errorMessage(
	297	QString("Failed to load file %1").arg(file_name));
	298	const QString infoMessage;
	299
	300	try {
	301	_session.set_file(file_name.toStdString());
	302	} catch(QString e) {
	303	show_session_error(tr("Failed to load ") + file_name, e);
	304	_session.set_default_device();
	305	update_device_list();
	306	return;
	307	}
	308
	309	update_device_list();
	310
	311	_session.start_capture([&, errorMessage, infoMessage](QString) {
	312	session_error(errorMessage, infoMessage); });
	313	}
	314
	315	void MainWindow::show_session_error(
	316	const QString text, const QString info_text)
	317	{
	318	QMessageBox msg(this);
	319	msg.setText(text);
	320	msg.setInformativeText(info_text);
	321	msg.setStandardButtons(QMessageBox::Ok);
	322	msg.setIcon(QMessageBox::Warning);
	323	msg.exec();
	324	}
	325
	326	void MainWindow::on_actionOpen_triggered()
	327	{
	328	QSettings settings;
	329	const QString dir = settings.value(SettingOpenDirectory).toString();
	330
	331	// Show the dialog
	332	const QString file_name = QFileDialog::getOpenFileName(
	333	this, tr("Open File"), dir, tr(
	334	"Sigrok Sessions (*.sr);;"
	335	"All Files (.)"));
	336
	337	if (!file_name.isEmpty()) {
	338	load_file(file_name);
	339
	340	const QString abs_path = QFileInfo(file_name).absolutePath();
	341	settings.setValue(SettingOpenDirectory, abs_path);
	342	}
	343	}
	344
	345	void MainWindow::on_actionSaveAs_triggered()
	346	{
	347	using pv::dialogs::StoreProgress;
	348
	349	// Stop any currently running capture session
	350	_session.stop_capture();
	351
	352	QSettings settings;
	353	const QString dir = settings.value(SettingSaveDirectory).toString();
	354
	355	// Show the dialog
	356	const QString file_name = QFileDialog::getSaveFileName(
	357	this, tr("Save File"), dir, tr("Sigrok Sessions (*.sr)"));
	358
	359	if (file_name.isEmpty())
	360	return;
	361
	362	const QString abs_path = QFileInfo(file_name).absolutePath();
	363	settings.setValue(SettingSaveDirectory, abs_path);
	364
	365	StoreProgress *dlg = new StoreProgress(file_name, _session, this);
	366	dlg->run();
	367	}
	368
	369	void MainWindow::on_actionConnect_triggered()
	370	{
	371	// Stop any currently running capture session
	372	_session.stop_capture();
	373
	374	dialogs::Connect dlg(this, _device_manager);
	375
	376	// If the user selected a device, select it in the device list. Select the
	377	// current device otherwise.
	378	if (dlg.exec())
	379	_session.set_device(dlg.get_selected_device());
	380
	381	update_device_list();
	382	}
	383
	384	void MainWindow::on_actionQuit_triggered()
	385	{
	386	close();
	387	}
	388
	389	void MainWindow::on_actionViewZoomIn_triggered()
	390	{
	391	_view->zoom(1);
	392	}
	393
	394	void MainWindow::on_actionViewZoomOut_triggered()
	395	{
	396	_view->zoom(-1);
	397	}
	398
	399	void MainWindow::on_actionViewZoomFit_triggered()
	400	{
	401	_view->zoom_fit();
	402	}
	403
	404	void MainWindow::on_actionViewZoomOneToOne_triggered()
	405	{
	406	_view->zoom_one_to_one();
	407	}
	408
	409	void MainWindow::on_actionViewShowCursors_triggered()
	410	{
	411	assert(_view);
	412
	413	const bool show = !_view->cursors_shown();
	414	if(show)
	415	_view->centre_cursors();
	416
	417	_view->show_cursors(show);
	418	}
	419
	420	void MainWindow::on_actionAbout_triggered()
	421	{
	422	dialogs::About dlg(this);
	423	dlg.exec();
	424	}
	425
	426	void MainWindow::add_decoder(srd_decoder *decoder)
	427	{
	428	#ifdef ENABLE_DECODE
	429	assert(decoder);
	430	_session.add_decoder(decoder);
	431	#else
	432	(void)decoder;
	433	#endif
	434	}
	435
	436	void MainWindow::run_stop()
	437	{
	438	switch(_session.get_capture_state()) {
	439	case SigSession::Stopped:
	440	_session.start_capture([&](QString message) {
	441	session_error("Capture failed", message); });
	442	break;
	443
	444	case SigSession::AwaitingTrigger:
	445	case SigSession::Running:
	446	_session.stop_capture();
	447	break;
	448	}
	449	}
	450
	451	void MainWindow::capture_state_changed(int state)
	452	{
	453	_sampling_bar->set_capture_state((pv::SigSession::capture_state)state);
	454	}
	455
	456	} // namespace pv