[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 <boost/bind.hpp>
#include <boost/foreach.hpp>

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

#include "mainwindow.h"

#include "devicemanager.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;

namespace pv {

namespace view {
class SelectableItem;
}

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(QApplication::translate(
		"MainWindow", "&File", 0, QApplication::UnicodeUTF8));

	QAction *const action_open = new QAction(this);
	action_open->setText(QApplication::translate(
		"MainWindow", "&Open...", 0, QApplication::UnicodeUTF8));
	action_open->setIcon(QIcon::fromTheme("document-open",
		QIcon(":/icons/document-open.png")));
	action_open->setObjectName(QString::fromUtf8("actionOpen"));
	menu_file->addAction(action_open);

	QAction *const action_save_as = new QAction(this);
	action_save_as->setText(QApplication::translate(
		"MainWindow", "&Save As...", 0, QApplication::UnicodeUTF8));
	action_save_as->setIcon(QIcon::fromTheme("document-save-as",
		QIcon(":/icons/document-save-as.png")));
	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(QApplication::translate(
		"MainWindow", "&Connect to Device...", 0,
		QApplication::UnicodeUTF8));
	action_connect->setObjectName(QString::fromUtf8("actionConnect"));
	menu_file->addAction(action_connect);

	menu_file->addSeparator();

	QAction *action_quit = new QAction(this);
	action_quit->setText(QApplication::translate(
		"MainWindow", "&Quit", 0, QApplication::UnicodeUTF8));
	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(QApplication::translate(
		"MainWindow", "&View", 0, QApplication::UnicodeUTF8));

	QAction *const action_view_zoom_in = new QAction(this);
	action_view_zoom_in->setText(QApplication::translate(
		"MainWindow", "Zoom &In", 0, QApplication::UnicodeUTF8));
	action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in",
		QIcon(":/icons/zoom-in.png")));
	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(QApplication::translate(
		"MainWindow", "Zoom &Out", 0, QApplication::UnicodeUTF8));
	action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out",
		QIcon(":/icons/zoom-out.png")));
	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(QApplication::translate(
		"MainWindow", "Zoom to &Fit", 0, QApplication::UnicodeUTF8));
	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(QApplication::translate(
		"MainWindow", "Zoom to &One-to-One", 0,
			QApplication::UnicodeUTF8));
	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(QApplication::translate(
		"MainWindow", "Show &Cursors", 0, QApplication::UnicodeUTF8));
	menu_view->addAction(action_view_show_cursors);

	// Decoders Menu
#ifdef ENABLE_DECODE
	QMenu *const menu_decoders = new QMenu;
	menu_decoders->setTitle(QApplication::translate(
		"MainWindow", "&Decoders", 0, QApplication::UnicodeUTF8));

	pv::widgets::DecoderMenu *const menu_decoders_add =
		new pv::widgets::DecoderMenu(menu_decoders);
	menu_decoders_add->setTitle(QApplication::translate(
		"MainWindow", "&Add", 0, QApplication::UnicodeUTF8));
	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(QApplication::translate(
		"MainWindow", "&Help", 0, QApplication::UnicodeUTF8));

	QAction *const action_about = new QAction(this);
	action_about->setObjectName(QString::fromUtf8("actionAbout"));
	action_about->setText(QApplication::translate(
		"MainWindow", "&About...", 0, QApplication::UnicodeUTF8));
	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->addSeparator();
	toolbar->addAction(action_view_zoom_in);
	toolbar->addAction(action_view_zoom_out);
	toolbar->addAction(action_view_zoom_fit);
	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(QApplication::translate("MainWindow", "PulseView", 0,
		QApplication::UnicodeUTF8));

	// 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(struct sr_dev_inst *selected_device)
{
	assert(_sampling_bar);

	const list<sr_dev_inst*> &devices = _device_manager.devices();
	_sampling_bar->set_device_list(devices);

	if (!selected_device && !devices.empty()) {
		// Fall back to the first device in the list.
		selected_device = devices.front();

		// Try and find the demo device and select that by default
		BOOST_FOREACH (struct sr_dev_inst *sdi, devices)
			if (strcmp(sdi->driver->name, "demo") == 0) {
				selected_device = sdi;
			}
	}

	if (selected_device) {
		_sampling_bar->set_selected_device(selected_device);
		_session.set_device(selected_device);
	}
}

void MainWindow::load_file(QString file_name)
{
	const QString errorMessage(
		QString("Failed to load file %1").arg(file_name));
	const QString infoMessage;
	_session.load_file(file_name.toStdString(),
		boost::bind(&MainWindow::session_error, this,
			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()
{
	// Show the dialog
	const QString file_name = QFileDialog::getOpenFileName(
		this, tr("Open File"), "", tr(
			"Sigrok Sessions (*.sr);;"
			"All Files (*.*)"));
	if (!file_name.isEmpty())
		load_file(file_name);
}

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

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

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

	if (file_name.isEmpty())
		return;

	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.
	struct sr_dev_inst *const sdi = dlg.exec() ?
		dlg.get_selected_device() : _session.get_device();

	update_device_list(sdi);
}

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(
				boost::bind(&MainWindow::session_error, this,
				QString("Capture failed"), _1));
		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 <boost/bind.hpp>
	26	#include <boost/foreach.hpp>
	27
	28	#include <QAction>
	29	#include <QApplication>
	30	#include <QButtonGroup>
	31	#include <QFileDialog>
	32	#include <QMessageBox>
	33	#include <QMenu>
	34	#include <QMenuBar>
	35	#include <QStatusBar>
	36	#include <QVBoxLayout>
	37	#include <QWidget>
	38
	39	#include "mainwindow.h"
	40
	41	#include "devicemanager.h"
	42	#include "dialogs/about.h"
	43	#include "dialogs/connect.h"
	44	#include "dialogs/storeprogress.h"
	45	#include "toolbars/samplingbar.h"
	46	#include "view/logicsignal.h"
	47	#include "view/view.h"
	48	#ifdef ENABLE_DECODE
	49	#include "widgets/decodermenu.h"
	50	#endif
	51
	52	/* __STDC_FORMAT_MACROS is required for PRIu64 and friends (in C++). */
	53	#define __STDC_FORMAT_MACROS
	54	#include <inttypes.h>
	55	#include <stdint.h>
	56	#include <stdarg.h>
	57	#include <glib.h>
	58	#include <libsigrok/libsigrok.h>
	59
	60	using std::list;
	61
	62	namespace pv {
	63
	64	namespace view {
	65	class SelectableItem;
	66	}
	67
	68	MainWindow::MainWindow(DeviceManager &device_manager,
	69	const char *open_file_name,
	70	QWidget *parent) :
	71	QMainWindow(parent),
	72	_device_manager(device_manager),
	73	_session(device_manager)
	74	{
	75	setup_ui();
	76	if (open_file_name) {
	77	const QString s(QString::fromUtf8(open_file_name));
	78	QMetaObject::invokeMethod(this, "load_file",
	79	Qt::QueuedConnection,
	80	Q_ARG(QString, s));
	81	}
	82	}
	83
	84	void MainWindow::setup_ui()
	85	{
	86	setObjectName(QString::fromUtf8("MainWindow"));
	87
	88	resize(1024, 768);
	89
	90	// Set the window icon
	91	QIcon icon;
	92	icon.addFile(QString::fromUtf8(":/icons/sigrok-logo-notext.png"),
	93	QSize(), QIcon::Normal, QIcon::Off);
	94	setWindowIcon(icon);
	95
	96	// Setup the central widget
	97	_central_widget = new QWidget(this);
	98	_vertical_layout = new QVBoxLayout(_central_widget);
	99	_vertical_layout->setSpacing(6);
	100	_vertical_layout->setContentsMargins(0, 0, 0, 0);
	101	setCentralWidget(_central_widget);
	102
	103	_view = new pv::view::View(_session, this);
	104
	105	_vertical_layout->addWidget(_view);
	106
	107	// Setup the menu bar
	108	QMenuBar *const menu_bar = new QMenuBar(this);
	109	menu_bar->setGeometry(QRect(0, 0, 400, 25));
	110
	111	// File Menu
	112	QMenu *const menu_file = new QMenu;
	113	menu_file->setTitle(QApplication::translate(
	114	"MainWindow", "&File", 0, QApplication::UnicodeUTF8));
	115
	116	QAction *const action_open = new QAction(this);
	117	action_open->setText(QApplication::translate(
	118	"MainWindow", "&Open...", 0, QApplication::UnicodeUTF8));
	119	action_open->setIcon(QIcon::fromTheme("document-open",
	120	QIcon(":/icons/document-open.png")));
	121	action_open->setObjectName(QString::fromUtf8("actionOpen"));
	122	menu_file->addAction(action_open);
	123
	124	QAction *const action_save_as = new QAction(this);
	125	action_save_as->setText(QApplication::translate(
	126	"MainWindow", "&Save As...", 0, QApplication::UnicodeUTF8));
	127	action_save_as->setIcon(QIcon::fromTheme("document-save-as",
	128	QIcon(":/icons/document-save-as.png")));
	129	action_save_as->setObjectName(QString::fromUtf8("actionSaveAs"));
	130	menu_file->addAction(action_save_as);
	131
	132	menu_file->addSeparator();
	133
	134	QAction *const action_connect = new QAction(this);
	135	action_connect->setText(QApplication::translate(
	136	"MainWindow", "&Connect to Device...", 0,
	137	QApplication::UnicodeUTF8));
	138	action_connect->setObjectName(QString::fromUtf8("actionConnect"));
	139	menu_file->addAction(action_connect);
	140
	141	menu_file->addSeparator();
	142
	143	QAction *action_quit = new QAction(this);
	144	action_quit->setText(QApplication::translate(
	145	"MainWindow", "&Quit", 0, QApplication::UnicodeUTF8));
	146	action_quit->setIcon(QIcon::fromTheme("application-exit",
	147	QIcon(":/icons/application-exit.png")));
	148	action_quit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
	149	action_quit->setObjectName(QString::fromUtf8("actionQuit"));
	150	menu_file->addAction(action_quit);
	151
	152	// View Menu
	153	QMenu *menu_view = new QMenu;
	154	menu_view->setTitle(QApplication::translate(
	155	"MainWindow", "&View", 0, QApplication::UnicodeUTF8));
	156
	157	QAction *const action_view_zoom_in = new QAction(this);
	158	action_view_zoom_in->setText(QApplication::translate(
	159	"MainWindow", "Zoom &In", 0, QApplication::UnicodeUTF8));
	160	action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in",
	161	QIcon(":/icons/zoom-in.png")));
	162	action_view_zoom_in->setObjectName(
	163	QString::fromUtf8("actionViewZoomIn"));
	164	menu_view->addAction(action_view_zoom_in);
	165
	166	QAction *const action_view_zoom_out = new QAction(this);
	167	action_view_zoom_out->setText(QApplication::translate(
	168	"MainWindow", "Zoom &Out", 0, QApplication::UnicodeUTF8));
	169	action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out",
	170	QIcon(":/icons/zoom-out.png")));
	171	action_view_zoom_out->setObjectName(
	172	QString::fromUtf8("actionViewZoomOut"));
	173	menu_view->addAction(action_view_zoom_out);
	174
	175	QAction *const action_view_zoom_fit = new QAction(this);
	176	action_view_zoom_fit->setText(QApplication::translate(
	177	"MainWindow", "Zoom to &Fit", 0, QApplication::UnicodeUTF8));
	178	action_view_zoom_fit->setIcon(QIcon::fromTheme("zoom-fit",
	179	QIcon(":/icons/zoom-fit.png")));
	180	action_view_zoom_fit->setShortcut(QKeySequence(Qt::Key_F));
	181	action_view_zoom_fit->setObjectName(
	182	QString::fromUtf8("actionViewZoomFit"));
	183	menu_view->addAction(action_view_zoom_fit);
	184
	185	QAction *const action_view_zoom_one_to_one = new QAction(this);
	186	action_view_zoom_one_to_one->setText(QApplication::translate(
	187	"MainWindow", "Zoom to &One-to-One", 0,
	188	QApplication::UnicodeUTF8));
	189	action_view_zoom_one_to_one->setIcon(QIcon::fromTheme("zoom-original",
	190	QIcon(":/icons/zoom-original.png")));
	191	action_view_zoom_one_to_one->setShortcut(QKeySequence(Qt::Key_O));
	192	action_view_zoom_one_to_one->setObjectName(
	193	QString::fromUtf8("actionViewZoomOneToOne"));
	194	menu_view->addAction(action_view_zoom_one_to_one);
	195
	196	menu_view->addSeparator();
	197
	198	QAction *action_view_show_cursors = new QAction(this);
	199	action_view_show_cursors->setCheckable(true);
	200	action_view_show_cursors->setChecked(_view->cursors_shown());
	201	action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C));
	202	action_view_show_cursors->setObjectName(
	203	QString::fromUtf8("actionViewShowCursors"));
	204	action_view_show_cursors->setText(QApplication::translate(
	205	"MainWindow", "Show &Cursors", 0, QApplication::UnicodeUTF8));
	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(QApplication::translate(
	212	"MainWindow", "&Decoders", 0, QApplication::UnicodeUTF8));
	213
	214	pv::widgets::DecoderMenu *const menu_decoders_add =
	215	new pv::widgets::DecoderMenu(menu_decoders);
	216	menu_decoders_add->setTitle(QApplication::translate(
	217	"MainWindow", "&Add", 0, QApplication::UnicodeUTF8));
	218	connect(menu_decoders_add, SIGNAL(decoder_selected(srd_decoder*)),
	219	this, SLOT(add_decoder(srd_decoder*)));
	220
	221	menu_decoders->addMenu(menu_decoders_add);
	222	#endif
	223
	224	// Help Menu
	225	QMenu *const menu_help = new QMenu;
	226	menu_help->setTitle(QApplication::translate(
	227	"MainWindow", "&Help", 0, QApplication::UnicodeUTF8));
	228
	229	QAction *const action_about = new QAction(this);
	230	action_about->setObjectName(QString::fromUtf8("actionAbout"));
	231	action_about->setText(QApplication::translate(
	232	"MainWindow", "&About...", 0, QApplication::UnicodeUTF8));
	233	menu_help->addAction(action_about);
	234
	235	menu_bar->addAction(menu_file->menuAction());
	236	menu_bar->addAction(menu_view->menuAction());
	237	#ifdef ENABLE_DECODE
	238	menu_bar->addAction(menu_decoders->menuAction());
	239	#endif
	240	menu_bar->addAction(menu_help->menuAction());
	241
	242	setMenuBar(menu_bar);
	243	QMetaObject::connectSlotsByName(this);
	244
	245	// Setup the toolbar
	246	QToolBar *const toolbar = new QToolBar(tr("Main Toolbar"), this);
	247	toolbar->addAction(action_open);
	248	toolbar->addSeparator();
	249	toolbar->addAction(action_view_zoom_in);
	250	toolbar->addAction(action_view_zoom_out);
	251	toolbar->addAction(action_view_zoom_fit);
	252	addToolBar(toolbar);
	253
	254	// Setup the sampling bar
	255	_sampling_bar = new toolbars::SamplingBar(_session, this);
	256
	257	// Populate the device list and select the initially selected device
	258	update_device_list();
	259
	260	connect(_sampling_bar, SIGNAL(run_stop()), this,
	261	SLOT(run_stop()));
	262	addToolBar(_sampling_bar);
	263
	264	// Set the title
	265	setWindowTitle(QApplication::translate("MainWindow", "PulseView", 0,
	266	QApplication::UnicodeUTF8));
	267
	268	// Setup _session events
	269	connect(&_session, SIGNAL(capture_state_changed(int)), this,
	270	SLOT(capture_state_changed(int)));
	271
	272	}
	273
	274	void MainWindow::session_error(
	275	const QString text, const QString info_text)
	276	{
	277	QMetaObject::invokeMethod(this, "show_session_error",
	278	Qt::QueuedConnection, Q_ARG(QString, text),
	279	Q_ARG(QString, info_text));
	280	}
	281
	282	void MainWindow::update_device_list(struct sr_dev_inst *selected_device)
	283	{
	284	assert(_sampling_bar);
	285
	286	const list<sr_dev_inst*> &devices = _device_manager.devices();
	287	_sampling_bar->set_device_list(devices);
	288
	289	if (!selected_device && !devices.empty()) {
	290	// Fall back to the first device in the list.
	291	selected_device = devices.front();
	292
	293	// Try and find the demo device and select that by default
	294	BOOST_FOREACH (struct sr_dev_inst *sdi, devices)
	295	if (strcmp(sdi->driver->name, "demo") == 0) {
	296	selected_device = sdi;
	297	}
	298	}
	299
	300	if (selected_device) {
	301	_sampling_bar->set_selected_device(selected_device);
	302	_session.set_device(selected_device);
	303	}
	304	}
	305
	306	void MainWindow::load_file(QString file_name)
	307	{
	308	const QString errorMessage(
	309	QString("Failed to load file %1").arg(file_name));
	310	const QString infoMessage;
	311	_session.load_file(file_name.toStdString(),
	312	boost::bind(&MainWindow::session_error, this,
	313	errorMessage, infoMessage));
	314	}
	315
	316	void MainWindow::show_session_error(
	317	const QString text, const QString info_text)
	318	{
	319	QMessageBox msg(this);
	320	msg.setText(text);
	321	msg.setInformativeText(info_text);
	322	msg.setStandardButtons(QMessageBox::Ok);
	323	msg.setIcon(QMessageBox::Warning);
	324	msg.exec();
	325	}
	326
	327	void MainWindow::on_actionOpen_triggered()
	328	{
	329	// Show the dialog
	330	const QString file_name = QFileDialog::getOpenFileName(
	331	this, tr("Open File"), "", tr(
	332	"Sigrok Sessions (*.sr);;"
	333	"All Files (.)"));
	334	if (!file_name.isEmpty())
	335	load_file(file_name);
	336	}
	337
	338	void MainWindow::on_actionSaveAs_triggered()
	339	{
	340	using pv::dialogs::StoreProgress;
	341
	342	// Stop any currently running capture session
	343	_session.stop_capture();
	344
	345	// Show the dialog
	346	const QString file_name = QFileDialog::getSaveFileName(
	347	this, tr("Save File"), "", tr("Sigrok Sessions (*.sr)"));
	348
	349	if (file_name.isEmpty())
	350	return;
	351
	352	StoreProgress *dlg = new StoreProgress(file_name, _session, this);
	353	dlg->run();
	354	}
	355
	356	void MainWindow::on_actionConnect_triggered()
	357	{
	358	// Stop any currently running capture session
	359	_session.stop_capture();
	360
	361	dialogs::Connect dlg(this, _device_manager);
	362
	363	// If the user selected a device, select it in the device list. Select the
	364	// current device otherwise.
	365	struct sr_dev_inst *const sdi = dlg.exec() ?
	366	dlg.get_selected_device() : _session.get_device();
	367
	368	update_device_list(sdi);
	369	}
	370
	371	void MainWindow::on_actionQuit_triggered()
	372	{
	373	close();
	374	}
	375
	376	void MainWindow::on_actionViewZoomIn_triggered()
	377	{
	378	_view->zoom(1);
	379	}
	380
	381	void MainWindow::on_actionViewZoomOut_triggered()
	382	{
	383	_view->zoom(-1);
	384	}
	385
	386	void MainWindow::on_actionViewZoomFit_triggered()
	387	{
	388	_view->zoom_fit();
	389	}
	390
	391	void MainWindow::on_actionViewZoomOneToOne_triggered()
	392	{
	393	_view->zoom_one_to_one();
	394	}
	395
	396	void MainWindow::on_actionViewShowCursors_triggered()
	397	{
	398	assert(_view);
	399
	400	const bool show = !_view->cursors_shown();
	401	if(show)
	402	_view->centre_cursors();
	403
	404	_view->show_cursors(show);
	405	}
	406
	407	void MainWindow::on_actionAbout_triggered()
	408	{
	409	dialogs::About dlg(this);
	410	dlg.exec();
	411	}
	412
	413	void MainWindow::add_decoder(srd_decoder *decoder)
	414	{
	415	#ifdef ENABLE_DECODE
	416	assert(decoder);
	417	_session.add_decoder(decoder);
	418	#else
	419	(void)decoder;
	420	#endif
	421	}
	422
	423	void MainWindow::run_stop()
	424	{
	425	switch(_session.get_capture_state()) {
	426	case SigSession::Stopped:
	427	_session.start_capture(
	428	boost::bind(&MainWindow::session_error, this,
	429	QString("Capture failed"), _1));
	430	break;
	431
	432	case SigSession::AwaitingTrigger:
	433	case SigSession::Running:
	434	_session.stop_capture();
	435	break;
	436	}
	437	}
	438
	439	void MainWindow::capture_state_changed(int state)
	440	{
	441	_sampling_bar->set_capture_state((pv::SigSession::capture_state)state);
	442	}
	443
	444	} // namespace pv