[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 <sigrokdecode.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/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 std;

namespace pv {

MainWindow::MainWindow(DeviceManager &device_manager,
	const char *open_file_name,
	QWidget *parent) :
	QMainWindow(parent),
	_device_manager(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
	_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);

	// 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()
{
	const QString file_name = QFileDialog::getOpenFileName(
		this, tr("Open File"), "",
		tr("Sigrok Sessions (*.sr)"));
	if (!file_name.isEmpty())
		load_file(file_name);
}

void MainWindow::on_actionConnect_triggered()
{
	dialogs::Connect dlg(this, _device_manager);
	if (!dlg.exec())
		return;

	struct sr_dev_inst *const sdi = dlg.get_selected_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);
}

} // 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
30236a54	22	#include <sigrokdecode.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"
f4c92e1c	44	#include "toolbars/samplingbar.h"
4104d7f3	45	#include "view/view.h"
d7bed479	46
30236a54 JH	47	/* __STDC_FORMAT_MACROS is required for PRIu64 and friends (in C++). */
	48	#define __STDC_FORMAT_MACROS
	49	#include <inttypes.h>
	50	#include <stdint.h>
	51	#include <stdarg.h>
	52	#include <glib.h>
	53	#include <libsigrok/libsigrok.h>
e82fd481	54
107ca6d3	55	using namespace std;
30236a54	56
51e77110 JH	57	namespace pv {
51e77110 JH	58
107ca6d3 JH	59	MainWindow::MainWindow(DeviceManager &device_manager,
107ca6d3 JH	60	const char *open_file_name,
1d478458	61	QWidget *parent) :
107ca6d3 JH	62	QMainWindow(parent),
107ca6d3 JH	63	_device_manager(device_manager)
d7bed479	64	{
7d5425ef	65	setup_ui();
1d478458 JH	66	if (open_file_name) {
	67	const QString s(QString::fromUtf8(open_file_name));
	68	QMetaObject::invokeMethod(this, "load_file",
	69	Qt::QueuedConnection,
	70	Q_ARG(QString, s));
	71	}
7d5425ef JH	72	}
	73
	74	void MainWindow::setup_ui()
	75	{
	76	setObjectName(QString::fromUtf8("MainWindow"));
	77
	78	resize(1024, 768);
	79
	80	// Set the window icon
	81	QIcon icon;
	82	icon.addFile(QString::fromUtf8(":/icons/sigrok-logo-notext.png"),
	83	QSize(), QIcon::Normal, QIcon::Off);
	84	setWindowIcon(icon);
	85
e072efc8 JH	86	// Setup the central widget
	87	_central_widget = new QWidget(this);
	88	_vertical_layout = new QVBoxLayout(_central_widget);
	89	_vertical_layout->setSpacing(6);
	90	_vertical_layout->setContentsMargins(0, 0, 0, 0);
	91	setCentralWidget(_central_widget);
	92
	93	_view = new pv::view::View(_session, this);
	94	_vertical_layout->addWidget(_view);
	95
ab1d13ee JH	96	// Setup the menu bar
	97	_menu_bar = new QMenuBar(this);
	98	_menu_bar->setGeometry(QRect(0, 0, 400, 25));
a429590b	99
ab1d13ee JH	100	// File Menu
	101	_menu_file = new QMenu(_menu_bar);
	102	_menu_file->setTitle(QApplication::translate(
	103	"MainWindow", "&File", 0, QApplication::UnicodeUTF8));
e072efc8	104
7d5425ef	105	_action_open = new QAction(this);
ab1d13ee JH	106	_action_open->setText(QApplication::translate(
ab1d13ee JH	107	"MainWindow", "&Open...", 0, QApplication::UnicodeUTF8));
362eea96 JH	108	_action_open->setIcon(QIcon::fromTheme("document-open",
362eea96 JH	109	QIcon(":/icons/document-open.png")));
7d5425ef	110	_action_open->setObjectName(QString::fromUtf8("actionOpen"));
7d5425ef	111	_menu_file->addAction(_action_open);
009e1503	112
2a032dcb JH	113	_menu_file->addSeparator();
2a032dcb JH	114
9663c82b JH	115	_action_connect = new QAction(this);
	116	_action_connect->setText(QApplication::translate(
	117	"MainWindow", "&Connect to Device...", 0,
	118	QApplication::UnicodeUTF8));
	119	_action_connect->setObjectName(QString::fromUtf8("actionConnect"));
	120	_menu_file->addAction(_action_connect);
	121
	122	_menu_file->addSeparator();
	123
2a032dcb JH	124	_action_quit = new QAction(this);
	125	_action_quit->setText(QApplication::translate(
	126	"MainWindow", "&Quit", 0, QApplication::UnicodeUTF8));
	127	_action_quit->setIcon(QIcon::fromTheme("application-exit",
	128	QIcon(":/icons/application-exit.png")));
d1bb7d7a	129	_action_quit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
2a032dcb JH	130	_action_quit->setObjectName(QString::fromUtf8("actionQuit"));
	131	_menu_file->addAction(_action_quit);
	132
ab1d13ee	133	// View Menu
a429590b	134	_menu_view = new QMenu(_menu_bar);
ab1d13ee JH	135	_menu_view->setTitle(QApplication::translate(
	136	"MainWindow", "&View", 0, QApplication::UnicodeUTF8));
	137
	138	_action_view_zoom_in = new QAction(this);
	139	_action_view_zoom_in->setText(QApplication::translate(
	140	"MainWindow", "Zoom &In", 0, QApplication::UnicodeUTF8));
	141	_action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in",
	142	QIcon(":/icons/zoom-in.png")));
	143	_action_view_zoom_in->setObjectName(
	144	QString::fromUtf8("actionViewZoomIn"));
a429590b	145	_menu_view->addAction(_action_view_zoom_in);
ab1d13ee JH	146
	147	_action_view_zoom_out = new QAction(this);
	148	_action_view_zoom_out->setText(QApplication::translate(
	149	"MainWindow", "Zoom &Out", 0, QApplication::UnicodeUTF8));
	150	_action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out",
	151	QIcon(":/icons/zoom-out.png")));
	152	_action_view_zoom_out->setObjectName(
	153	QString::fromUtf8("actionViewZoomOut"));
a429590b	154	_menu_view->addAction(_action_view_zoom_out);
ab1d13ee	155
e072efc8	156	_menu_view->addSeparator();
ab1d13ee JH	157
	158	_action_view_show_cursors = new QAction(this);
	159	_action_view_show_cursors->setCheckable(true);
	160	_action_view_show_cursors->setChecked(_view->cursors_shown());
4166ed6c	161	_action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C));
ab1d13ee JH	162	_action_view_show_cursors->setObjectName(
	163	QString::fromUtf8("actionViewShowCursors"));
	164	_action_view_show_cursors->setText(QApplication::translate(
	165	"MainWindow", "Show &Cursors", 0, QApplication::UnicodeUTF8));
e072efc8	166	_menu_view->addAction(_action_view_show_cursors);
a429590b	167
ab1d13ee	168	// Help Menu
7d5425ef	169	_menu_help = new QMenu(_menu_bar);
ab1d13ee JH	170	_menu_help->setTitle(QApplication::translate(
	171	"MainWindow", "&Help", 0, QApplication::UnicodeUTF8));
	172
	173	_action_about = new QAction(this);
	174	_action_about->setObjectName(QString::fromUtf8("actionAbout"));
	175	_action_about->setText(QApplication::translate(
	176	"MainWindow", "&About...", 0, QApplication::UnicodeUTF8));
7d5425ef JH	177	_menu_help->addAction(_action_about);
	178
	179	_menu_bar->addAction(_menu_file->menuAction());
a429590b	180	_menu_bar->addAction(_menu_view->menuAction());
7d5425ef JH	181	_menu_bar->addAction(_menu_help->menuAction());
	182
	183	setMenuBar(_menu_bar);
	184	QMetaObject::connectSlotsByName(this);
	185
5ac961e3	186	// Setup the toolbar
363107a8	187	_toolbar = new QToolBar(tr("Main Toolbar"), this);
0a4db787	188	_toolbar->addAction(_action_open);
a429590b JH	189	_toolbar->addSeparator();
	190	_toolbar->addAction(_action_view_zoom_in);
	191	_toolbar->addAction(_action_view_zoom_out);
0a4db787 JH	192	addToolBar(_toolbar);
0a4db787 JH	193
5ac961e3	194	// Setup the sampling bar
f4c92e1c	195	_sampling_bar = new toolbars::SamplingBar(this);
5ac961e3 JH	196
5ac961e3 JH	197	// Populate the device list and select the initially selected device
107ca6d3	198	update_device_list();
5ac961e3 JH	199
	200	connect(_sampling_bar, SIGNAL(device_selected()), this,
	201	SLOT(device_selected()));
274d4f13 JH	202	connect(_sampling_bar, SIGNAL(run_stop()), this,
274d4f13 JH	203	SLOT(run_stop()));
d4984fe7 JH	204	addToolBar(_sampling_bar);
d4984fe7 JH	205
5ac961e3	206	// Set the title
a8d3fb2d JH	207	setWindowTitle(QApplication::translate("MainWindow", "PulseView", 0,
	208	QApplication::UnicodeUTF8));
	209
6ac96c2e JH	210	// Setup _session events
	211	connect(&_session, SIGNAL(capture_state_changed(int)), this,
	212	SLOT(capture_state_changed(int)));
	213
d7bed479	214	}
30236a54	215
f2edb557 JH	216	void MainWindow::session_error(
	217	const QString text, const QString info_text)
	218	{
	219	QMetaObject::invokeMethod(this, "show_session_error",
	220	Qt::QueuedConnection, Q_ARG(QString, text),
	221	Q_ARG(QString, info_text));
	222	}
	223
107ca6d3 JH	224	void MainWindow::update_device_list(struct sr_dev_inst *selected_device)
	225	{
	226	assert(_sampling_bar);
	227
	228	const list<sr_dev_inst*> &devices = _device_manager.devices();
	229	_sampling_bar->set_device_list(devices);
	230
	231	if (!selected_device && !devices.empty()) {
	232	// Fall back to the first device in the list.
	233	selected_device = devices.front();
	234
	235	// Try and find the demo device and select that by default
	236	BOOST_FOREACH (struct sr_dev_inst *sdi, devices)
	237	if (strcmp(sdi->driver->name, "demo") == 0) {
	238	selected_device = sdi;
	239	}
	240	}
	241
	242	if (selected_device) {
	243	_sampling_bar->set_selected_device(selected_device);
	244	_session.set_device(selected_device);
	245	}
	246	}
	247
1d478458 JH	248	void MainWindow::load_file(QString file_name)
1d478458 JH	249	{
f2edb557 JH	250	const QString errorMessage(
	251	QString("Failed to load file %1").arg(file_name));
	252	const QString infoMessage;
	253	_session.load_file(file_name.toStdString(),
	254	boost::bind(&MainWindow::session_error, this,
	255	errorMessage, infoMessage));
	256	}
	257
	258	void MainWindow::show_session_error(
	259	const QString text, const QString info_text)
	260	{
	261	QMessageBox msg(this);
	262	msg.setText(text);
	263	msg.setInformativeText(info_text);
	264	msg.setStandardButtons(QMessageBox::Ok);
	265	msg.setIcon(QMessageBox::Warning);
	266	msg.exec();
1d478458 JH	267	}
1d478458 JH	268
2953961c JH	269	void MainWindow::on_actionOpen_triggered()
2953961c JH	270	{
1d478458	271	const QString file_name = QFileDialog::getOpenFileName(
2953961c JH	272	this, tr("Open File"), "",
2953961c JH	273	tr("Sigrok Sessions (*.sr)"));
92b139d0 JH	274	if (!file_name.isEmpty())
92b139d0 JH	275	load_file(file_name);
2953961c JH	276	}
2953961c JH	277
9663c82b JH	278	void MainWindow::on_actionConnect_triggered()
9663c82b JH	279	{
107ca6d3	280	dialogs::Connect dlg(this, _device_manager);
793f8096	281	if (!dlg.exec())
5eb0fa13 JH	282	return;
	283
	284	struct sr_dev_inst *const sdi = dlg.get_selected_device();
107ca6d3	285	update_device_list(sdi);
9663c82b JH	286	}
9663c82b JH	287
2a032dcb JH	288	void MainWindow::on_actionQuit_triggered()
	289	{
	290	close();
	291	}
	292
a429590b JH	293	void MainWindow::on_actionViewZoomIn_triggered()
	294	{
	295	_view->zoom(1);
	296	}
	297
	298	void MainWindow::on_actionViewZoomOut_triggered()
	299	{
	300	_view->zoom(-1);
	301	}
	302
e072efc8 JH	303	void MainWindow::on_actionViewShowCursors_triggered()
	304	{
	305	assert(_view);
b4d91e56 JH	306
	307	const bool show = !_view->cursors_shown();
	308	if(show)
	309	_view->centre_cursors();
	310
	311	_view->show_cursors(show);
e072efc8 JH	312	}
e072efc8 JH	313
30236a54 JH	314	void MainWindow::on_actionAbout_triggered()
30236a54 JH	315	{
acda14b8	316	dialogs::About dlg(this);
40eb2ff4	317	dlg.exec();
30236a54	318	}
274d4f13	319
5ac961e3 JH	320	void MainWindow::device_selected()
	321	{
	322	_session.set_device(_sampling_bar->get_selected_device());
	323	}
	324
274d4f13 JH	325	void MainWindow::run_stop()
274d4f13 JH	326	{
5b7cf66c JH	327	switch(_session.get_capture_state()) {
5b7cf66c JH	328	case SigSession::Stopped:
d64d1596	329	_session.start_capture(_sampling_bar->get_record_length(),
f2edb557 JH	330	boost::bind(&MainWindow::session_error, this,
f2edb557 JH	331	QString("Capture failed"), _1));
5b7cf66c JH	332	break;
	333
	334	case SigSession::Running:
	335	_session.stop_capture();
	336	break;
	337	}
274d4f13	338	}
51e77110	339
6ac96c2e JH	340	void MainWindow::capture_state_changed(int state)
	341	{
	342	_sampling_bar->set_sampling(state != SigSession::Stopped);
	343	}
	344
51e77110	345	} // namespace pv