[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
 */

#include <libsigrokdecode/libsigrokdecode.h>

#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/logicsignal.h"
#include "view/view.h"
#include "widgets/decodermenu.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);

	_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);

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

	_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);

	// 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_decoders->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(_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()
{
	// 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::add_decoder(srd_decoder *decoder)
{
	assert(decoder);
	_session.add_decoder(decoder);
}

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::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
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
aaabd61b	21	#include <libsigrokdecode/libsigrokdecode.h>
30236a54	22
f2edb557	23	#include <boost/bind.hpp>
107ca6d3	24	#include <boost/foreach.hpp>
f2edb557	25
7d5425ef JH	26	#include <QAction>
	27	#include <QApplication>
	28	#include <QButtonGroup>
2953961c	29	#include <QFileDialog>
f2edb557	30	#include <QMessageBox>
7d5425ef JH	31	#include <QMenu>
	32	#include <QMenuBar>
	33	#include <QStatusBar>
	34	#include <QVBoxLayout>
	35	#include <QWidget>
2953961c	36
d7bed479	37	#include "mainwindow.h"
107ca6d3 JH	38
107ca6d3 JH	39	#include "devicemanager.h"
acda14b8	40	#include "dialogs/about.h"
9663c82b	41	#include "dialogs/connect.h"
f4c92e1c	42	#include "toolbars/samplingbar.h"
3045c869	43	#include "view/logicsignal.h"
4104d7f3	44	#include "view/view.h"
f0d37dab	45	#include "widgets/decodermenu.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
b1264f56	55	using namespace boost;
107ca6d3	56	using namespace std;
30236a54	57
51e77110 JH	58	namespace pv {
51e77110 JH	59
b1264f56 JH	60	namespace view {
	61	class SelectableItem;
	62	}
	63
107ca6d3 JH	64	MainWindow::MainWindow(DeviceManager &device_manager,
107ca6d3 JH	65	const char *open_file_name,
1d478458	66	QWidget *parent) :
107ca6d3	67	QMainWindow(parent),
dc0867ff	68	_device_manager(device_manager),
f0d37dab	69	_session(device_manager)
d7bed479	70	{
7d5425ef	71	setup_ui();
1d478458 JH	72	if (open_file_name) {
	73	const QString s(QString::fromUtf8(open_file_name));
	74	QMetaObject::invokeMethod(this, "load_file",
	75	Qt::QueuedConnection,
	76	Q_ARG(QString, s));
	77	}
7d5425ef JH	78	}
	79
	80	void MainWindow::setup_ui()
	81	{
	82	setObjectName(QString::fromUtf8("MainWindow"));
	83
	84	resize(1024, 768);
	85
	86	// Set the window icon
	87	QIcon icon;
	88	icon.addFile(QString::fromUtf8(":/icons/sigrok-logo-notext.png"),
	89	QSize(), QIcon::Normal, QIcon::Off);
	90	setWindowIcon(icon);
	91
e072efc8 JH	92	// Setup the central widget
	93	_central_widget = new QWidget(this);
	94	_vertical_layout = new QVBoxLayout(_central_widget);
	95	_vertical_layout->setSpacing(6);
	96	_vertical_layout->setContentsMargins(0, 0, 0, 0);
	97	setCentralWidget(_central_widget);
	98
	99	_view = new pv::view::View(_session, this);
b1264f56	100
e072efc8 JH	101	_vertical_layout->addWidget(_view);
e072efc8 JH	102
ab1d13ee JH	103	// Setup the menu bar
	104	_menu_bar = new QMenuBar(this);
	105	_menu_bar->setGeometry(QRect(0, 0, 400, 25));
a429590b	106
ab1d13ee JH	107	// File Menu
	108	_menu_file = new QMenu(_menu_bar);
	109	_menu_file->setTitle(QApplication::translate(
	110	"MainWindow", "&File", 0, QApplication::UnicodeUTF8));
e072efc8	111
7d5425ef	112	_action_open = new QAction(this);
ab1d13ee JH	113	_action_open->setText(QApplication::translate(
ab1d13ee JH	114	"MainWindow", "&Open...", 0, QApplication::UnicodeUTF8));
362eea96 JH	115	_action_open->setIcon(QIcon::fromTheme("document-open",
362eea96 JH	116	QIcon(":/icons/document-open.png")));
7d5425ef	117	_action_open->setObjectName(QString::fromUtf8("actionOpen"));
7d5425ef	118	_menu_file->addAction(_action_open);
009e1503	119
2a032dcb JH	120	_menu_file->addSeparator();
2a032dcb JH	121
9663c82b JH	122	_action_connect = new QAction(this);
	123	_action_connect->setText(QApplication::translate(
	124	"MainWindow", "&Connect to Device...", 0,
	125	QApplication::UnicodeUTF8));
	126	_action_connect->setObjectName(QString::fromUtf8("actionConnect"));
	127	_menu_file->addAction(_action_connect);
	128
	129	_menu_file->addSeparator();
	130
2a032dcb JH	131	_action_quit = new QAction(this);
	132	_action_quit->setText(QApplication::translate(
	133	"MainWindow", "&Quit", 0, QApplication::UnicodeUTF8));
	134	_action_quit->setIcon(QIcon::fromTheme("application-exit",
	135	QIcon(":/icons/application-exit.png")));
d1bb7d7a	136	_action_quit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
2a032dcb JH	137	_action_quit->setObjectName(QString::fromUtf8("actionQuit"));
	138	_menu_file->addAction(_action_quit);
	139
ab1d13ee	140	// View Menu
a429590b	141	_menu_view = new QMenu(_menu_bar);
ab1d13ee JH	142	_menu_view->setTitle(QApplication::translate(
	143	"MainWindow", "&View", 0, QApplication::UnicodeUTF8));
	144
	145	_action_view_zoom_in = new QAction(this);
	146	_action_view_zoom_in->setText(QApplication::translate(
	147	"MainWindow", "Zoom &In", 0, QApplication::UnicodeUTF8));
	148	_action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in",
	149	QIcon(":/icons/zoom-in.png")));
	150	_action_view_zoom_in->setObjectName(
	151	QString::fromUtf8("actionViewZoomIn"));
a429590b	152	_menu_view->addAction(_action_view_zoom_in);
ab1d13ee JH	153
	154	_action_view_zoom_out = new QAction(this);
	155	_action_view_zoom_out->setText(QApplication::translate(
	156	"MainWindow", "Zoom &Out", 0, QApplication::UnicodeUTF8));
	157	_action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out",
	158	QIcon(":/icons/zoom-out.png")));
	159	_action_view_zoom_out->setObjectName(
	160	QString::fromUtf8("actionViewZoomOut"));
a429590b	161	_menu_view->addAction(_action_view_zoom_out);
ab1d13ee	162
e072efc8	163	_menu_view->addSeparator();
ab1d13ee JH	164
	165	_action_view_show_cursors = new QAction(this);
	166	_action_view_show_cursors->setCheckable(true);
	167	_action_view_show_cursors->setChecked(_view->cursors_shown());
4166ed6c	168	_action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C));
ab1d13ee JH	169	_action_view_show_cursors->setObjectName(
	170	QString::fromUtf8("actionViewShowCursors"));
	171	_action_view_show_cursors->setText(QApplication::translate(
	172	"MainWindow", "Show &Cursors", 0, QApplication::UnicodeUTF8));
e072efc8	173	_menu_view->addAction(_action_view_show_cursors);
a429590b	174
7dd093df JH	175	// Decoders Menu
	176	_menu_decoders = new QMenu(_menu_bar);
	177	_menu_decoders->setTitle(QApplication::translate(
	178	"MainWindow", "&Decoders", 0, QApplication::UnicodeUTF8));
	179
f0d37dab	180	_menu_decoders_add = new pv::widgets::DecoderMenu(_menu_decoders);
7dd093df JH	181	_menu_decoders_add->setTitle(QApplication::translate(
7dd093df JH	182	"MainWindow", "&Add", 0, QApplication::UnicodeUTF8));
f0d37dab JH	183	connect(_menu_decoders_add, SIGNAL(decoder_selected(srd_decoder*)),
f0d37dab JH	184	this, SLOT(add_decoder(srd_decoder*)));
7dd093df JH	185
7dd093df JH	186	_menu_decoders->addMenu(_menu_decoders_add);
7dd093df	187
ab1d13ee	188	// Help Menu
7d5425ef	189	_menu_help = new QMenu(_menu_bar);
ab1d13ee JH	190	_menu_help->setTitle(QApplication::translate(
	191	"MainWindow", "&Help", 0, QApplication::UnicodeUTF8));
	192
	193	_action_about = new QAction(this);
	194	_action_about->setObjectName(QString::fromUtf8("actionAbout"));
	195	_action_about->setText(QApplication::translate(
	196	"MainWindow", "&About...", 0, QApplication::UnicodeUTF8));
7d5425ef JH	197	_menu_help->addAction(_action_about);
	198
	199	_menu_bar->addAction(_menu_file->menuAction());
a429590b	200	_menu_bar->addAction(_menu_view->menuAction());
7dd093df	201	_menu_bar->addAction(_menu_decoders->menuAction());
7d5425ef JH	202	_menu_bar->addAction(_menu_help->menuAction());
	203
	204	setMenuBar(_menu_bar);
	205	QMetaObject::connectSlotsByName(this);
	206
5ac961e3	207	// Setup the toolbar
363107a8	208	_toolbar = new QToolBar(tr("Main Toolbar"), this);
0a4db787	209	_toolbar->addAction(_action_open);
a429590b JH	210	_toolbar->addSeparator();
	211	_toolbar->addAction(_action_view_zoom_in);
	212	_toolbar->addAction(_action_view_zoom_out);
0a4db787 JH	213	addToolBar(_toolbar);
0a4db787 JH	214
5ac961e3	215	// Setup the sampling bar
aca00b1e	216	_sampling_bar = new toolbars::SamplingBar(_session, this);
5ac961e3 JH	217
5ac961e3 JH	218	// Populate the device list and select the initially selected device
107ca6d3	219	update_device_list();
5ac961e3	220
274d4f13 JH	221	connect(_sampling_bar, SIGNAL(run_stop()), this,
274d4f13 JH	222	SLOT(run_stop()));
d4984fe7 JH	223	addToolBar(_sampling_bar);
d4984fe7 JH	224
5ac961e3	225	// Set the title
a8d3fb2d JH	226	setWindowTitle(QApplication::translate("MainWindow", "PulseView", 0,
	227	QApplication::UnicodeUTF8));
	228
6ac96c2e JH	229	// Setup _session events
	230	connect(&_session, SIGNAL(capture_state_changed(int)), this,
	231	SLOT(capture_state_changed(int)));
	232
d7bed479	233	}
30236a54	234
f2edb557 JH	235	void MainWindow::session_error(
	236	const QString text, const QString info_text)
	237	{
	238	QMetaObject::invokeMethod(this, "show_session_error",
	239	Qt::QueuedConnection, Q_ARG(QString, text),
	240	Q_ARG(QString, info_text));
	241	}
	242
107ca6d3 JH	243	void MainWindow::update_device_list(struct sr_dev_inst *selected_device)
	244	{
	245	assert(_sampling_bar);
	246
	247	const list<sr_dev_inst*> &devices = _device_manager.devices();
	248	_sampling_bar->set_device_list(devices);
	249
	250	if (!selected_device && !devices.empty()) {
	251	// Fall back to the first device in the list.
	252	selected_device = devices.front();
	253
	254	// Try and find the demo device and select that by default
	255	BOOST_FOREACH (struct sr_dev_inst *sdi, devices)
	256	if (strcmp(sdi->driver->name, "demo") == 0) {
	257	selected_device = sdi;
	258	}
	259	}
	260
	261	if (selected_device) {
	262	_sampling_bar->set_selected_device(selected_device);
	263	_session.set_device(selected_device);
	264	}
	265	}
	266
1d478458 JH	267	void MainWindow::load_file(QString file_name)
1d478458 JH	268	{
f2edb557 JH	269	const QString errorMessage(
	270	QString("Failed to load file %1").arg(file_name));
	271	const QString infoMessage;
	272	_session.load_file(file_name.toStdString(),
	273	boost::bind(&MainWindow::session_error, this,
	274	errorMessage, infoMessage));
	275	}
	276
	277	void MainWindow::show_session_error(
	278	const QString text, const QString info_text)
	279	{
	280	QMessageBox msg(this);
	281	msg.setText(text);
	282	msg.setInformativeText(info_text);
	283	msg.setStandardButtons(QMessageBox::Ok);
	284	msg.setIcon(QMessageBox::Warning);
	285	msg.exec();
1d478458 JH	286	}
1d478458 JH	287
2953961c JH	288	void MainWindow::on_actionOpen_triggered()
2953961c JH	289	{
1d43d767 JH	290	// Enumerate the file formats
	291	QString filters(tr("Sigrok Sessions (*.sr)"));
	292	filters.append(tr(";;All Files (.)"));
	293
	294	// Show the dialog
1d478458	295	const QString file_name = QFileDialog::getOpenFileName(
1d43d767	296	this, tr("Open File"), "", filters);
92b139d0 JH	297	if (!file_name.isEmpty())
92b139d0 JH	298	load_file(file_name);
2953961c JH	299	}
2953961c JH	300
9663c82b JH	301	void MainWindow::on_actionConnect_triggered()
9663c82b JH	302	{
b99cfc42 JH	303	// Stop any currently running capture session
	304	_session.stop_capture();
	305
107ca6d3	306	dialogs::Connect dlg(this, _device_manager);
5eb0fa13	307
dc0867ff JH	308	// If the user selected a device, select it in the device list. Select the
	309	// current device otherwise.
	310	struct sr_dev_inst *const sdi = dlg.exec() ?
	311	dlg.get_selected_device() : _session.get_device();
	312
107ca6d3	313	update_device_list(sdi);
9663c82b JH	314	}
9663c82b JH	315
2a032dcb JH	316	void MainWindow::on_actionQuit_triggered()
	317	{
	318	close();
	319	}
	320
a429590b JH	321	void MainWindow::on_actionViewZoomIn_triggered()
	322	{
	323	_view->zoom(1);
	324	}
	325
	326	void MainWindow::on_actionViewZoomOut_triggered()
	327	{
	328	_view->zoom(-1);
	329	}
	330
e072efc8 JH	331	void MainWindow::on_actionViewShowCursors_triggered()
	332	{
	333	assert(_view);
b4d91e56 JH	334
	335	const bool show = !_view->cursors_shown();
	336	if(show)
	337	_view->centre_cursors();
	338
	339	_view->show_cursors(show);
e072efc8 JH	340	}
e072efc8 JH	341
30236a54 JH	342	void MainWindow::on_actionAbout_triggered()
30236a54 JH	343	{
acda14b8	344	dialogs::About dlg(this);
40eb2ff4	345	dlg.exec();
30236a54	346	}
274d4f13	347
f0d37dab	348	void MainWindow::add_decoder(srd_decoder *decoder)
7dd093df	349	{
f0d37dab JH	350	assert(decoder);
f0d37dab JH	351	_session.add_decoder(decoder);
7dd093df JH	352	}
7dd093df JH	353
274d4f13 JH	354	void MainWindow::run_stop()
274d4f13 JH	355	{
5b7cf66c JH	356	switch(_session.get_capture_state()) {
5b7cf66c JH	357	case SigSession::Stopped:
d64d1596	358	_session.start_capture(_sampling_bar->get_record_length(),
f2edb557 JH	359	boost::bind(&MainWindow::session_error, this,
f2edb557 JH	360	QString("Capture failed"), _1));
5b7cf66c JH	361	break;
5b7cf66c JH	362
2b49eeb0	363	case SigSession::AwaitingTrigger:
5b7cf66c JH	364	case SigSession::Running:
	365	_session.stop_capture();
	366	break;
	367	}
274d4f13	368	}
51e77110	369
6ac96c2e JH	370	void MainWindow::capture_state_changed(int state)
6ac96c2e JH	371	{
2b49eeb0	372	_sampling_bar->set_capture_state((pv::SigSession::capture_state)state);
6ac96c2e JH	373	}
6ac96c2e JH	374
51e77110	375	} // namespace pv