[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 <algorithm>
#include <iterator>

#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 "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;
}

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->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(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->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(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")));
	// 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(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->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(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, true);
	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->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(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()
{
	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(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.
	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(
				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
	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 <QStatusBar>
	38	#include <QVBoxLayout>
	39	#include <QWidget>
	40
	41	#include "mainwindow.h"
	42
	43	#include "devicemanager.h"
	44	#include "device/device.h"
	45	#include "dialogs/about.h"
	46	#include "dialogs/connect.h"
	47	#include "dialogs/storeprogress.h"
	48	#include "toolbars/samplingbar.h"
	49	#include "view/logicsignal.h"
	50	#include "view/view.h"
	51	#ifdef ENABLE_DECODE
	52	#include "widgets/decodermenu.h"
	53	#endif
	54
	55	/* __STDC_FORMAT_MACROS is required for PRIu64 and friends (in C++). */
	56	#define __STDC_FORMAT_MACROS
	57	#include <inttypes.h>
	58	#include <stdint.h>
	59	#include <stdarg.h>
	60	#include <glib.h>
	61	#include <libsigrok/libsigrok.h>
	62
	63	using std::list;
	64	using std::shared_ptr;
	65
	66	namespace pv {
	67
	68	namespace view {
	69	class SelectableItem;
	70	}
	71
	72	MainWindow::MainWindow(DeviceManager &device_manager,
	73	const char *open_file_name,
	74	QWidget *parent) :
	75	QMainWindow(parent),
	76	_device_manager(device_manager),
	77	_session(device_manager)
	78	{
	79	setup_ui();
	80	if (open_file_name) {
	81	const QString s(QString::fromUtf8(open_file_name));
	82	QMetaObject::invokeMethod(this, "load_file",
	83	Qt::QueuedConnection,
	84	Q_ARG(QString, s));
	85	}
	86	}
	87
	88	void MainWindow::setup_ui()
	89	{
	90	setObjectName(QString::fromUtf8("MainWindow"));
	91
	92	resize(1024, 768);
	93
	94	// Set the window icon
	95	QIcon icon;
	96	icon.addFile(QString::fromUtf8(":/icons/sigrok-logo-notext.png"),
	97	QSize(), QIcon::Normal, QIcon::Off);
	98	setWindowIcon(icon);
	99
	100	// Setup the central widget
	101	_central_widget = new QWidget(this);
	102	_vertical_layout = new QVBoxLayout(_central_widget);
	103	_vertical_layout->setSpacing(6);
	104	_vertical_layout->setContentsMargins(0, 0, 0, 0);
	105	setCentralWidget(_central_widget);
	106
	107	_view = new pv::view::View(_session, this);
	108
	109	_vertical_layout->addWidget(_view);
	110
	111	// Setup the menu bar
	112	QMenuBar *const menu_bar = new QMenuBar(this);
	113	menu_bar->setGeometry(QRect(0, 0, 400, 25));
	114
	115	// File Menu
	116	QMenu *const menu_file = new QMenu;
	117	menu_file->setTitle(QApplication::translate(
	118	"MainWindow", "&File", 0, QApplication::UnicodeUTF8));
	119
	120	QAction *const action_open = new QAction(this);
	121	action_open->setText(QApplication::translate(
	122	"MainWindow", "&Open...", 0, QApplication::UnicodeUTF8));
	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(QApplication::translate(
	131	"MainWindow", "&Save As...", 0, QApplication::UnicodeUTF8));
	132	action_save_as->setIcon(QIcon::fromTheme("document-save-as",
	133	QIcon(":/icons/document-save-as.png")));
	134	action_save_as->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
	135	action_save_as->setObjectName(QString::fromUtf8("actionSaveAs"));
	136	menu_file->addAction(action_save_as);
	137
	138	menu_file->addSeparator();
	139
	140	QAction *const action_connect = new QAction(this);
	141	action_connect->setText(QApplication::translate(
	142	"MainWindow", "&Connect to Device...", 0,
	143	QApplication::UnicodeUTF8));
	144	action_connect->setObjectName(QString::fromUtf8("actionConnect"));
	145	menu_file->addAction(action_connect);
	146
	147	menu_file->addSeparator();
	148
	149	QAction *action_quit = new QAction(this);
	150	action_quit->setText(QApplication::translate(
	151	"MainWindow", "&Quit", 0, QApplication::UnicodeUTF8));
	152	action_quit->setIcon(QIcon::fromTheme("application-exit",
	153	QIcon(":/icons/application-exit.png")));
	154	action_quit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
	155	action_quit->setObjectName(QString::fromUtf8("actionQuit"));
	156	menu_file->addAction(action_quit);
	157
	158	// View Menu
	159	QMenu *menu_view = new QMenu;
	160	menu_view->setTitle(QApplication::translate(
	161	"MainWindow", "&View", 0, QApplication::UnicodeUTF8));
	162
	163	QAction *const action_view_zoom_in = new QAction(this);
	164	action_view_zoom_in->setText(QApplication::translate(
	165	"MainWindow", "Zoom &In", 0, QApplication::UnicodeUTF8));
	166	action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in",
	167	QIcon(":/icons/zoom-in.png")));
	168	// simply using Qt::Key_Plus shows no + in the menu
	169	action_view_zoom_in->setShortcut(QKeySequence::ZoomIn);
	170	action_view_zoom_in->setObjectName(
	171	QString::fromUtf8("actionViewZoomIn"));
	172	menu_view->addAction(action_view_zoom_in);
	173
	174	QAction *const action_view_zoom_out = new QAction(this);
	175	action_view_zoom_out->setText(QApplication::translate(
	176	"MainWindow", "Zoom &Out", 0, QApplication::UnicodeUTF8));
	177	action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out",
	178	QIcon(":/icons/zoom-out.png")));
	179	action_view_zoom_out->setShortcut(QKeySequence::ZoomOut);
	180	action_view_zoom_out->setObjectName(
	181	QString::fromUtf8("actionViewZoomOut"));
	182	menu_view->addAction(action_view_zoom_out);
	183
	184	QAction *const action_view_zoom_fit = new QAction(this);
	185	action_view_zoom_fit->setText(QApplication::translate(
	186	"MainWindow", "Zoom to &Fit", 0, QApplication::UnicodeUTF8));
	187	action_view_zoom_fit->setIcon(QIcon::fromTheme("zoom-fit",
	188	QIcon(":/icons/zoom-fit.png")));
	189	action_view_zoom_fit->setShortcut(QKeySequence(Qt::Key_F));
	190	action_view_zoom_fit->setObjectName(
	191	QString::fromUtf8("actionViewZoomFit"));
	192	menu_view->addAction(action_view_zoom_fit);
	193
	194	QAction *const action_view_zoom_one_to_one = new QAction(this);
	195	action_view_zoom_one_to_one->setText(QApplication::translate(
	196	"MainWindow", "Zoom to &One-to-One", 0,
	197	QApplication::UnicodeUTF8));
	198	action_view_zoom_one_to_one->setIcon(QIcon::fromTheme("zoom-original",
	199	QIcon(":/icons/zoom-original.png")));
	200	action_view_zoom_one_to_one->setShortcut(QKeySequence(Qt::Key_O));
	201	action_view_zoom_one_to_one->setObjectName(
	202	QString::fromUtf8("actionViewZoomOneToOne"));
	203	menu_view->addAction(action_view_zoom_one_to_one);
	204
	205	menu_view->addSeparator();
	206
	207	QAction *action_view_show_cursors = new QAction(this);
	208	action_view_show_cursors->setCheckable(true);
	209	action_view_show_cursors->setChecked(_view->cursors_shown());
	210	action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C));
	211	action_view_show_cursors->setObjectName(
	212	QString::fromUtf8("actionViewShowCursors"));
	213	action_view_show_cursors->setText(QApplication::translate(
	214	"MainWindow", "Show &Cursors", 0, QApplication::UnicodeUTF8));
	215	menu_view->addAction(action_view_show_cursors);
	216
	217	// Decoders Menu
	218	#ifdef ENABLE_DECODE
	219	QMenu *const menu_decoders = new QMenu;
	220	menu_decoders->setTitle(QApplication::translate(
	221	"MainWindow", "&Decoders", 0, QApplication::UnicodeUTF8));
	222
	223	pv::widgets::DecoderMenu *const menu_decoders_add =
	224	new pv::widgets::DecoderMenu(menu_decoders, true);
	225	menu_decoders_add->setTitle(QApplication::translate(
	226	"MainWindow", "&Add", 0, QApplication::UnicodeUTF8));
	227	connect(menu_decoders_add, SIGNAL(decoder_selected(srd_decoder*)),
	228	this, SLOT(add_decoder(srd_decoder*)));
	229
	230	menu_decoders->addMenu(menu_decoders_add);
	231	#endif
	232
	233	// Help Menu
	234	QMenu *const menu_help = new QMenu;
	235	menu_help->setTitle(QApplication::translate(
	236	"MainWindow", "&Help", 0, QApplication::UnicodeUTF8));
	237
	238	QAction *const action_about = new QAction(this);
	239	action_about->setObjectName(QString::fromUtf8("actionAbout"));
	240	action_about->setText(QApplication::translate(
	241	"MainWindow", "&About...", 0, QApplication::UnicodeUTF8));
	242	menu_help->addAction(action_about);
	243
	244	menu_bar->addAction(menu_file->menuAction());
	245	menu_bar->addAction(menu_view->menuAction());
	246	#ifdef ENABLE_DECODE
	247	menu_bar->addAction(menu_decoders->menuAction());
	248	#endif
	249	menu_bar->addAction(menu_help->menuAction());
	250
	251	setMenuBar(menu_bar);
	252	QMetaObject::connectSlotsByName(this);
	253
	254	// Setup the toolbar
	255	QToolBar *const toolbar = new QToolBar(tr("Main Toolbar"), this);
	256	toolbar->addAction(action_open);
	257	toolbar->addAction(action_save_as);
	258	toolbar->addSeparator();
	259	toolbar->addAction(action_view_zoom_in);
	260	toolbar->addAction(action_view_zoom_out);
	261	toolbar->addAction(action_view_zoom_fit);
	262	toolbar->addAction(action_view_zoom_one_to_one);
	263	addToolBar(toolbar);
	264
	265	// Setup the sampling bar
	266	_sampling_bar = new toolbars::SamplingBar(_session, this);
	267
	268	// Populate the device list and select the initially selected device
	269	update_device_list();
	270
	271	connect(_sampling_bar, SIGNAL(run_stop()), this,
	272	SLOT(run_stop()));
	273	addToolBar(_sampling_bar);
	274
	275	// Set the title
	276	setWindowTitle(QApplication::translate("MainWindow", "PulseView", 0,
	277	QApplication::UnicodeUTF8));
	278
	279	// Setup _session events
	280	connect(&_session, SIGNAL(capture_state_changed(int)), this,
	281	SLOT(capture_state_changed(int)));
	282
	283	}
	284
	285	void MainWindow::session_error(
	286	const QString text, const QString info_text)
	287	{
	288	QMetaObject::invokeMethod(this, "show_session_error",
	289	Qt::QueuedConnection, Q_ARG(QString, text),
	290	Q_ARG(QString, info_text));
	291	}
	292
	293	void MainWindow::update_device_list()
	294	{
	295	assert(_sampling_bar);
	296
	297	shared_ptr<pv::device::DevInst> selected_device = _session.get_device();
	298	list< shared_ptr<device::DevInst> > devices;
	299	std::copy(_device_manager.devices().begin(),
	300	_device_manager.devices().end(), std::back_inserter(devices));
	301
	302	if (std::find(devices.begin(), devices.end(), selected_device) ==
	303	devices.end())
	304	devices.push_back(selected_device);
	305	assert(selected_device);
	306
	307	_sampling_bar->set_device_list(devices, selected_device);
	308	}
	309
	310	void MainWindow::load_file(QString file_name)
	311	{
	312	const QString errorMessage(
	313	QString("Failed to load file %1").arg(file_name));
	314	const QString infoMessage;
	315
	316	try {
	317	_session.set_file(file_name.toStdString());
	318	} catch(QString e) {
	319	show_session_error(tr("Failed to load ") + file_name, e);
	320	_session.set_default_device();
	321	update_device_list();
	322	return;
	323	}
	324
	325	update_device_list();
	326
	327	_session.start_capture(boost::bind(&MainWindow::session_error, this,
	328	errorMessage, infoMessage));
	329	}
	330
	331	void MainWindow::show_session_error(
	332	const QString text, const QString info_text)
	333	{
	334	QMessageBox msg(this);
	335	msg.setText(text);
	336	msg.setInformativeText(info_text);
	337	msg.setStandardButtons(QMessageBox::Ok);
	338	msg.setIcon(QMessageBox::Warning);
	339	msg.exec();
	340	}
	341
	342	void MainWindow::on_actionOpen_triggered()
	343	{
	344	// Show the dialog
	345	const QString file_name = QFileDialog::getOpenFileName(
	346	this, tr("Open File"), "", tr(
	347	"Sigrok Sessions (*.sr);;"
	348	"All Files (.)"));
	349	if (!file_name.isEmpty())
	350	load_file(file_name);
	351	}
	352
	353	void MainWindow::on_actionSaveAs_triggered()
	354	{
	355	using pv::dialogs::StoreProgress;
	356
	357	// Stop any currently running capture session
	358	_session.stop_capture();
	359
	360	// Show the dialog
	361	const QString file_name = QFileDialog::getSaveFileName(
	362	this, tr("Save File"), "", tr("Sigrok Sessions (*.sr)"));
	363
	364	if (file_name.isEmpty())
	365	return;
	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(
	443	boost::bind(&MainWindow::session_error, this,
	444	QString("Capture failed"), _1));
	445	break;
	446
	447	case SigSession::AwaitingTrigger:
	448	case SigSession::Running:
	449	_session.stop_capture();
	450	break;
	451	}
	452	}
	453
	454	void MainWindow::capture_state_changed(int state)
	455	{
	456	_sampling_bar->set_capture_state((pv::SigSession::capture_state)state);
	457	}
	458
	459	} // namespace pv