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++ // Copyright (C) 2020 The Qt Company Ltd and/or its subsidiary(-ies).
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
++
++ #include "mainwindow.h"
++
++ #include "qdbusviewer.h"
++
++ #include <QtWidgets/QApplication>
++ #include <QtWidgets/QTabWidget>
++ #include <QtWidgets/QMenuBar>
++ #include <QtWidgets/QMenu>
++ #include <QtGui/QAction>
++ #include <QtWidgets/QMessageBox>
++
++ #include <QtDBus/QDBusConnection>
++ #include <QtCore/QSettings>
++
++ using namespace Qt::StringLiterals;
++
++ MainWindow::MainWindow(QWidget *parent)
++ : QMainWindow(parent)
++ , systemBusViewer(nullptr)
++ {
++ QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
++ QAction *quitAction = fileMenu->addAction(tr("&Quit"), this, &QWidget::close);
++ quitAction->setShortcut(QKeySequence::Quit);
++ quitAction->setMenuRole(QAction::QuitRole);
++
++ QMenu *helpMenu = menuBar()->addMenu(tr("&Help"));
++ QAction *aboutAction = helpMenu->addAction(tr("&About"));
++ aboutAction->setMenuRole(QAction::AboutRole);
++ QObject::connect(aboutAction, &QAction::triggered, this, &MainWindow::about);
++
++ QAction *aboutQtAction = helpMenu->addAction(tr("About &Qt"));
++ aboutQtAction->setMenuRole(QAction::AboutQtRole);
++ QObject::connect(aboutQtAction, &QAction::triggered, qApp, &QApplication::aboutQt);
++
++ tabWidget = new QTabWidget;
++ setCentralWidget(tabWidget);
++
++ sessionBusViewer = new QDBusViewer(QDBusConnection::sessionBus());
++ tabWidget->addTab(sessionBusViewer, tr("Session Bus"));
++
++ QDBusConnection connection = QDBusConnection::systemBus();
++ if (connection.isConnected()) {
++ systemBusViewer = new QDBusViewer(connection);
++ tabWidget->addTab(systemBusViewer, tr("System Bus"));
++ }
++
++ restoreSettings();
++ }
++
++ MainWindow::~MainWindow()
++ {
++ saveSettings();
++ }
++
++ void MainWindow::addCustomBusTab(const QString &busAddress)
++ {
++ QDBusConnection connection = QDBusConnection::connectToBus(busAddress, "QDBusViewer");
++ if (connection.isConnected()) {
++ QDBusViewer *customBusViewer = new QDBusViewer(connection);
++ tabWidget->addTab(customBusViewer, tr("Custom Bus"));
++ }
++ }
++
++ void MainWindow::about()
++ {
++ QMessageBox box(this);
++
++ box.setText(tr("<center><img src=\":/qt-project.org/qdbusviewer/images/qdbusviewer-128.png\">"
++ "<h3>%1</h3>"
++ "<p>Version %2</p></center>"
++ "<p>Copyright (C) The Qt Company Ltd. and other contributors.</p>")
++ .arg(tr("D-Bus Viewer"), QLatin1String(QT_VERSION_STR)));
++ box.setWindowTitle(tr("D-Bus Viewer"));
++ box.exec();
++ }
++
++ static inline QString windowGeometryKey()
++ {
++ return u"WindowGeometry"_s;
++ }
++
++ static inline QString sessionTabGroup()
++ {
++ return u"SessionTab"_s;
++ }
++
++ static inline QString systemTabGroup()
++ {
++ return u"SystemTab"_s;
++ }
++
++ void MainWindow::saveSettings()
++ {
++ QSettings settings;
++
++ settings.setValue(windowGeometryKey(), saveGeometry());
++
++ settings.beginGroup(sessionTabGroup());
++ sessionBusViewer->saveState(&settings);
++ settings.endGroup();
++
++ if (systemBusViewer) {
++ settings.beginGroup(systemTabGroup());
++ systemBusViewer->saveState(&settings);
++ settings.endGroup();
++ }
++ }
++
++ void MainWindow::restoreSettings()
++ {
++ QSettings settings;
++
++ restoreGeometry(settings.value(windowGeometryKey()).toByteArray());
++
++ settings.beginGroup(sessionTabGroup());
++ sessionBusViewer->restoreState(&settings);
++ settings.endGroup();
++
++ if (systemBusViewer) {
++ settings.beginGroup(systemTabGroup());
++ systemBusViewer->restoreState(&settings);
++ settings.endGroup();
++ }
++ }