[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_SIGROKDECODE
#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 "toolbars/contextbar.h"
#include "toolbars/samplingbar.h"
#include "view/view.h"

/* __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 namespace boost;
using namespace std;

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);
	connect(_view, SIGNAL(selection_changed()), this,
		SLOT(view_selection_changed()));

	_vertical_layout->addWidget(_view);

	// Setup the menu bar
	_menu_bar = new QMenuBar(this);
	_menu_bar->setGeometry(QRect(0, 0, 400, 25));

	// File Menu
	_menu_file = new QMenu(_menu_bar);
	_menu_file->setTitle(QApplication::translate(
		"MainWindow", "&File", 0, QApplication::UnicodeUTF8));

	_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);

	_menu_file->addSeparator();

	_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();

	_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
	_menu_view = new QMenu(_menu_bar);
	_menu_view->setTitle(QApplication::translate(
		"MainWindow", "&View", 0, QApplication::UnicodeUTF8));

	_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);

	_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);

	_menu_view->addSeparator();

	_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);

	// Help Menu
	_menu_help = new QMenu(_menu_bar);
	_menu_help->setTitle(QApplication::translate(
		"MainWindow", "&Help", 0, QApplication::UnicodeUTF8));

	_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());
	_menu_bar->addAction(_menu_help->menuAction());

	setMenuBar(_menu_bar);
	QMetaObject::connectSlotsByName(this);

	// Setup the toolbar
	_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);
	addToolBar(_toolbar);

	// Setup the sampling bar
	_sampling_bar = new toolbars::SamplingBar(this);

	// Populate the device list and select the initially selected device
	update_device_list();

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

	// Setup the context bar
	_context_bar = new toolbars::ContextBar(this);
	addToolBar(_context_bar);
	insertToolBarBreak(_context_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()
{
	// Enumerate the file formats
	QString filters(tr("Sigrok Sessions (*.sr)"));
	filters.append(tr(";;All Files (*.*)"));

	// Show the dialog
	const QString file_name = QFileDialog::getOpenFileName(
		this, tr("Open File"), "", filters);
	if (!file_name.isEmpty())
		load_file(file_name);
}

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_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::device_selected()
{
	_session.set_device(_sampling_bar->get_selected_device());
}

void MainWindow::run_stop()
{
	switch(_session.get_capture_state()) {
	case SigSession::Stopped:
		_session.start_capture(_sampling_bar->get_record_length(),
			boost::bind(&MainWindow::session_error, this,
				QString("Capture failed"), _1));
		break;

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

void MainWindow::capture_state_changed(int state)
{
	_sampling_bar->set_sampling(state != SigSession::Stopped);
}

void MainWindow::view_selection_changed()
{
	assert(_context_bar);

	const list<weak_ptr<pv::view::SelectableItem> > items(
		_view->selected_items());
	_context_bar->set_selected_items(items);
}

} // namespace pv
Commit	Line	Data
d7bed479	1	/*
b3f22de0	2	* This file is part of the PulseView project.
d7bed479 JH	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
d52d8455	21	#ifdef ENABLE_SIGROKDECODE
aaabd61b	22	#include <libsigrokdecode/libsigrokdecode.h>
d52d8455	23	#endif
30236a54	24
f2edb557	25	#include <boost/bind.hpp>
107ca6d3	26	#include <boost/foreach.hpp>
f2edb557	27
7d5425ef JH	28	#include <QAction>
	29	#include <QApplication>
	30	#include <QButtonGroup>
2953961c	31	#include <QFileDialog>
f2edb557	32	#include <QMessageBox>
7d5425ef JH	33	#include <QMenu>
	34	#include <QMenuBar>
	35	#include <QStatusBar>
	36	#include <QVBoxLayout>
	37	#include <QWidget>
2953961c	38
d7bed479	39	#include "mainwindow.h"
107ca6d3 JH	40
107ca6d3 JH	41	#include "devicemanager.h"
acda14b8	42	#include "dialogs/about.h"
9663c82b	43	#include "dialogs/connect.h"
404aad0e	44	#include "toolbars/contextbar.h"
f4c92e1c	45	#include "toolbars/samplingbar.h"
4104d7f3	46	#include "view/view.h"
d7bed479	47
30236a54 JH	48	/* __STDC_FORMAT_MACROS is required for PRIu64 and friends (in C++). */
	49	#define __STDC_FORMAT_MACROS
	50	#include <inttypes.h>
	51	#include <stdint.h>
	52	#include <stdarg.h>
	53	#include <glib.h>
	54	#include <libsigrok/libsigrok.h>
e82fd481	55
b1264f56	56	using namespace boost;
107ca6d3	57	using namespace std;
30236a54	58
51e77110 JH	59	namespace pv {
51e77110 JH	60
b1264f56 JH	61	namespace view {
	62	class SelectableItem;
	63	}
	64
107ca6d3 JH	65	MainWindow::MainWindow(DeviceManager &device_manager,
107ca6d3 JH	66	const char *open_file_name,
1d478458	67	QWidget *parent) :
107ca6d3	68	QMainWindow(parent),
dc0867ff JH	69	_device_manager(device_manager),
dc0867ff JH	70	_session(device_manager)
d7bed479	71	{
7d5425ef	72	setup_ui();
1d478458 JH	73	if (open_file_name) {
	74	const QString s(QString::fromUtf8(open_file_name));
	75	QMetaObject::invokeMethod(this, "load_file",
	76	Qt::QueuedConnection,
	77	Q_ARG(QString, s));
	78	}
7d5425ef JH	79	}
	80
	81	void MainWindow::setup_ui()
	82	{
	83	setObjectName(QString::fromUtf8("MainWindow"));
	84
	85	resize(1024, 768);
	86
	87	// Set the window icon
	88	QIcon icon;
	89	icon.addFile(QString::fromUtf8(":/icons/sigrok-logo-notext.png"),
	90	QSize(), QIcon::Normal, QIcon::Off);
	91	setWindowIcon(icon);
	92
e072efc8 JH	93	// Setup the central widget
	94	_central_widget = new QWidget(this);
	95	_vertical_layout = new QVBoxLayout(_central_widget);
	96	_vertical_layout->setSpacing(6);
	97	_vertical_layout->setContentsMargins(0, 0, 0, 0);
	98	setCentralWidget(_central_widget);
	99
	100	_view = new pv::view::View(_session, this);
b1264f56 JH	101	connect(_view, SIGNAL(selection_changed()), this,
	102	SLOT(view_selection_changed()));
	103
e072efc8 JH	104	_vertical_layout->addWidget(_view);
e072efc8 JH	105
ab1d13ee JH	106	// Setup the menu bar
	107	_menu_bar = new QMenuBar(this);
	108	_menu_bar->setGeometry(QRect(0, 0, 400, 25));
a429590b	109
ab1d13ee JH	110	// File Menu
	111	_menu_file = new QMenu(_menu_bar);
	112	_menu_file->setTitle(QApplication::translate(
	113	"MainWindow", "&File", 0, QApplication::UnicodeUTF8));
e072efc8	114
7d5425ef	115	_action_open = new QAction(this);
ab1d13ee JH	116	_action_open->setText(QApplication::translate(
ab1d13ee JH	117	"MainWindow", "&Open...", 0, QApplication::UnicodeUTF8));
362eea96 JH	118	_action_open->setIcon(QIcon::fromTheme("document-open",
362eea96 JH	119	QIcon(":/icons/document-open.png")));
7d5425ef	120	_action_open->setObjectName(QString::fromUtf8("actionOpen"));
7d5425ef	121	_menu_file->addAction(_action_open);
009e1503	122
2a032dcb JH	123	_menu_file->addSeparator();
2a032dcb JH	124
9663c82b JH	125	_action_connect = new QAction(this);
	126	_action_connect->setText(QApplication::translate(
	127	"MainWindow", "&Connect to Device...", 0,
	128	QApplication::UnicodeUTF8));
	129	_action_connect->setObjectName(QString::fromUtf8("actionConnect"));
	130	_menu_file->addAction(_action_connect);
	131
	132	_menu_file->addSeparator();
	133
2a032dcb JH	134	_action_quit = new QAction(this);
	135	_action_quit->setText(QApplication::translate(
	136	"MainWindow", "&Quit", 0, QApplication::UnicodeUTF8));
	137	_action_quit->setIcon(QIcon::fromTheme("application-exit",
	138	QIcon(":/icons/application-exit.png")));
d1bb7d7a	139	_action_quit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
2a032dcb JH	140	_action_quit->setObjectName(QString::fromUtf8("actionQuit"));
	141	_menu_file->addAction(_action_quit);
	142
ab1d13ee	143	// View Menu
a429590b	144	_menu_view = new QMenu(_menu_bar);
ab1d13ee JH	145	_menu_view->setTitle(QApplication::translate(
	146	"MainWindow", "&View", 0, QApplication::UnicodeUTF8));
	147
	148	_action_view_zoom_in = new QAction(this);
	149	_action_view_zoom_in->setText(QApplication::translate(
	150	"MainWindow", "Zoom &In", 0, QApplication::UnicodeUTF8));
	151	_action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in",
	152	QIcon(":/icons/zoom-in.png")));
	153	_action_view_zoom_in->setObjectName(
	154	QString::fromUtf8("actionViewZoomIn"));
a429590b	155	_menu_view->addAction(_action_view_zoom_in);
ab1d13ee JH	156
	157	_action_view_zoom_out = new QAction(this);
	158	_action_view_zoom_out->setText(QApplication::translate(
	159	"MainWindow", "Zoom &Out", 0, QApplication::UnicodeUTF8));
	160	_action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out",
	161	QIcon(":/icons/zoom-out.png")));
	162	_action_view_zoom_out->setObjectName(
	163	QString::fromUtf8("actionViewZoomOut"));
a429590b	164	_menu_view->addAction(_action_view_zoom_out);
ab1d13ee	165
e072efc8	166	_menu_view->addSeparator();
ab1d13ee JH	167
	168	_action_view_show_cursors = new QAction(this);
	169	_action_view_show_cursors->setCheckable(true);
	170	_action_view_show_cursors->setChecked(_view->cursors_shown());
4166ed6c	171	_action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C));
ab1d13ee JH	172	_action_view_show_cursors->setObjectName(
	173	QString::fromUtf8("actionViewShowCursors"));
	174	_action_view_show_cursors->setText(QApplication::translate(
	175	"MainWindow", "Show &Cursors", 0, QApplication::UnicodeUTF8));
e072efc8	176	_menu_view->addAction(_action_view_show_cursors);
a429590b	177
ab1d13ee	178	// Help Menu
7d5425ef	179	_menu_help = new QMenu(_menu_bar);
ab1d13ee JH	180	_menu_help->setTitle(QApplication::translate(
	181	"MainWindow", "&Help", 0, QApplication::UnicodeUTF8));
	182
	183	_action_about = new QAction(this);
	184	_action_about->setObjectName(QString::fromUtf8("actionAbout"));
	185	_action_about->setText(QApplication::translate(
	186	"MainWindow", "&About...", 0, QApplication::UnicodeUTF8));
7d5425ef JH	187	_menu_help->addAction(_action_about);
	188
	189	_menu_bar->addAction(_menu_file->menuAction());
a429590b	190	_menu_bar->addAction(_menu_view->menuAction());
7d5425ef JH	191	_menu_bar->addAction(_menu_help->menuAction());
	192
	193	setMenuBar(_menu_bar);
	194	QMetaObject::connectSlotsByName(this);
	195
5ac961e3	196	// Setup the toolbar
363107a8	197	_toolbar = new QToolBar(tr("Main Toolbar"), this);
0a4db787	198	_toolbar->addAction(_action_open);
a429590b JH	199	_toolbar->addSeparator();
	200	_toolbar->addAction(_action_view_zoom_in);
	201	_toolbar->addAction(_action_view_zoom_out);
0a4db787 JH	202	addToolBar(_toolbar);
0a4db787 JH	203
5ac961e3	204	// Setup the sampling bar
f4c92e1c	205	_sampling_bar = new toolbars::SamplingBar(this);
5ac961e3 JH	206
5ac961e3 JH	207	// Populate the device list and select the initially selected device
107ca6d3	208	update_device_list();
5ac961e3 JH	209
	210	connect(_sampling_bar, SIGNAL(device_selected()), this,
	211	SLOT(device_selected()));
274d4f13 JH	212	connect(_sampling_bar, SIGNAL(run_stop()), this,
274d4f13 JH	213	SLOT(run_stop()));
d4984fe7 JH	214	addToolBar(_sampling_bar);
d4984fe7 JH	215
404aad0e JH	216	// Setup the context bar
	217	_context_bar = new toolbars::ContextBar(this);
	218	addToolBar(_context_bar);
	219	insertToolBarBreak(_context_bar);
	220
5ac961e3	221	// Set the title
a8d3fb2d JH	222	setWindowTitle(QApplication::translate("MainWindow", "PulseView", 0,
	223	QApplication::UnicodeUTF8));
	224
6ac96c2e JH	225	// Setup _session events
	226	connect(&_session, SIGNAL(capture_state_changed(int)), this,
	227	SLOT(capture_state_changed(int)));
	228
d7bed479	229	}
30236a54	230
f2edb557 JH	231	void MainWindow::session_error(
	232	const QString text, const QString info_text)
	233	{
	234	QMetaObject::invokeMethod(this, "show_session_error",
	235	Qt::QueuedConnection, Q_ARG(QString, text),
	236	Q_ARG(QString, info_text));
	237	}
	238
107ca6d3 JH	239	void MainWindow::update_device_list(struct sr_dev_inst *selected_device)
	240	{
	241	assert(_sampling_bar);
	242
	243	const list<sr_dev_inst*> &devices = _device_manager.devices();
	244	_sampling_bar->set_device_list(devices);
	245
	246	if (!selected_device && !devices.empty()) {
	247	// Fall back to the first device in the list.
	248	selected_device = devices.front();
	249
	250	// Try and find the demo device and select that by default
	251	BOOST_FOREACH (struct sr_dev_inst *sdi, devices)
	252	if (strcmp(sdi->driver->name, "demo") == 0) {
	253	selected_device = sdi;
	254	}
	255	}
	256
	257	if (selected_device) {
	258	_sampling_bar->set_selected_device(selected_device);
	259	_session.set_device(selected_device);
	260	}
	261	}
	262
1d478458 JH	263	void MainWindow::load_file(QString file_name)
1d478458 JH	264	{
f2edb557 JH	265	const QString errorMessage(
	266	QString("Failed to load file %1").arg(file_name));
	267	const QString infoMessage;
	268	_session.load_file(file_name.toStdString(),
	269	boost::bind(&MainWindow::session_error, this,
	270	errorMessage, infoMessage));
	271	}
	272
	273	void MainWindow::show_session_error(
	274	const QString text, const QString info_text)
	275	{
	276	QMessageBox msg(this);
	277	msg.setText(text);
	278	msg.setInformativeText(info_text);
	279	msg.setStandardButtons(QMessageBox::Ok);
	280	msg.setIcon(QMessageBox::Warning);
	281	msg.exec();
1d478458 JH	282	}
1d478458 JH	283
2953961c JH	284	void MainWindow::on_actionOpen_triggered()
2953961c JH	285	{
1d43d767 JH	286	// Enumerate the file formats
	287	QString filters(tr("Sigrok Sessions (*.sr)"));
	288	filters.append(tr(";;All Files (.)"));
	289
	290	// Show the dialog
1d478458	291	const QString file_name = QFileDialog::getOpenFileName(
1d43d767	292	this, tr("Open File"), "", filters);
92b139d0 JH	293	if (!file_name.isEmpty())
92b139d0 JH	294	load_file(file_name);
2953961c JH	295	}
2953961c JH	296
9663c82b JH	297	void MainWindow::on_actionConnect_triggered()
9663c82b JH	298	{
b99cfc42 JH	299	// Stop any currently running capture session
	300	_session.stop_capture();
	301
107ca6d3	302	dialogs::Connect dlg(this, _device_manager);
5eb0fa13	303
dc0867ff JH	304	// If the user selected a device, select it in the device list. Select the
	305	// current device otherwise.
	306	struct sr_dev_inst *const sdi = dlg.exec() ?
	307	dlg.get_selected_device() : _session.get_device();
	308
107ca6d3	309	update_device_list(sdi);
9663c82b JH	310	}
9663c82b JH	311
2a032dcb JH	312	void MainWindow::on_actionQuit_triggered()
	313	{
	314	close();
	315	}
	316
a429590b JH	317	void MainWindow::on_actionViewZoomIn_triggered()
	318	{
	319	_view->zoom(1);
	320	}
	321
	322	void MainWindow::on_actionViewZoomOut_triggered()
	323	{
	324	_view->zoom(-1);
	325	}
	326
e072efc8 JH	327	void MainWindow::on_actionViewShowCursors_triggered()
	328	{
	329	assert(_view);
b4d91e56 JH	330
	331	const bool show = !_view->cursors_shown();
	332	if(show)
	333	_view->centre_cursors();
	334
	335	_view->show_cursors(show);
e072efc8 JH	336	}
e072efc8 JH	337
30236a54 JH	338	void MainWindow::on_actionAbout_triggered()
30236a54 JH	339	{
acda14b8	340	dialogs::About dlg(this);
40eb2ff4	341	dlg.exec();
30236a54	342	}
274d4f13	343
5ac961e3 JH	344	void MainWindow::device_selected()
	345	{
	346	_session.set_device(_sampling_bar->get_selected_device());
	347	}
	348
274d4f13 JH	349	void MainWindow::run_stop()
274d4f13 JH	350	{
5b7cf66c JH	351	switch(_session.get_capture_state()) {
5b7cf66c JH	352	case SigSession::Stopped:
d64d1596	353	_session.start_capture(_sampling_bar->get_record_length(),
f2edb557 JH	354	boost::bind(&MainWindow::session_error, this,
f2edb557 JH	355	QString("Capture failed"), _1));
5b7cf66c JH	356	break;
	357
	358	case SigSession::Running:
	359	_session.stop_capture();
	360	break;
	361	}
274d4f13	362	}
51e77110	363
6ac96c2e JH	364	void MainWindow::capture_state_changed(int state)
	365	{
	366	_sampling_bar->set_sampling(state != SigSession::Stopped);
	367	}
	368
b1264f56 JH	369	void MainWindow::view_selection_changed()
	370	{
	371	assert(_context_bar);
	372
	373	const list<weak_ptr<pv::view::SelectableItem> > items(
	374	_view->selected_items());
	375	_context_bar->set_selected_items(items);
	376	}
	377
51e77110	378	} // namespace pv