qdbusviewer: Extract MainWindow class

This refactoring is a preparation for saving/restoring window settings.

Change-Id: I22b4c4947437e90f986390a4dd7c14d50a0f02d6
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>

6 files changed, 174 insertions, 54 deletions

diff --git a/src/qdbus/qdbusviewer/main.cpp b/src/qdbus/qdbusviewer/main.cpp
index f539230be..54e49d4cb 100644
--- a/src/qdbus/qdbusviewer/main.cpp
+++ b/src/qdbus/qdbusviewer/main.cpp
@@ -40,62 +40,29 @@
 ****************************************************************************/
 
 #include <QtWidgets/qapplication.h>
-#include <QtWidgets/qmainwindow.h>
-#include <QtWidgets/qtabwidget.h>
-#include <QtWidgets/QMenuBar>
-#include <QtWidgets/QMenu>
-#include <QtWidgets/QAction>
-#include <QtDBus/qdbusconnection.h>
-#include "qdbusviewer.h"
+
+#include "mainwindow.h"
 
 #include <stdio.h>
 
 int main(int argc, char *argv[])
 {
     QApplication app(argc, argv);
-    QMainWindow mw;
+    MainWindow mw;
 #ifndef Q_OS_MAC
     app.setWindowIcon(QIcon(QLatin1String(":/qt-project.org/qdbusviewer/images/qdbusviewer.png")));
 #else
     mw.setWindowTitle(qApp->translate("QtDBusViewer", "Qt D-Bus Viewer"));
 #endif
 
-
-    QTabWidget *mainWidget = new QTabWidget;
-    mw.setCentralWidget(mainWidget);
-    QDBusViewer *sessionBusViewer = new QDBusViewer(QDBusConnection::sessionBus());
-    QDBusViewer *systemBusViewer = new QDBusViewer(QDBusConnection::systemBus());
-    mainWidget->addTab(sessionBusViewer, QObject::tr("Session Bus"));
-    mainWidget->addTab(systemBusViewer, QObject::tr("System Bus"));
-
     QStringList args = app.arguments();
     while (args.count()) {
         QString arg = args.takeFirst();
-        if (arg == QLatin1String("--bus")) {
-            QDBusConnection connection = QDBusConnection::connectToBus(args.takeFirst(), "QDBusViewer");
-            if (connection.isConnected()) {
-                QDBusViewer *customBusViewer = new QDBusViewer(connection);
-                mainWidget->addTab(customBusViewer, QObject::tr("Custom Bus"));
-            }
-        }
+        if (arg == QLatin1String("--bus"))
+            mw.addCustomBusTab(args.takeFirst());
     }
 
-    QMenu *fileMenu = mw.menuBar()->addMenu(QObject::tr("&File"));
-    QAction *quitAction = fileMenu->addAction(QObject::tr("&Quit"), &mw, SLOT(close()));
-    quitAction->setShortcut(QKeySequence::Quit);
-    quitAction->setMenuRole(QAction::QuitRole);
-
-    QMenu *helpMenu = mw.menuBar()->addMenu(QObject::tr("&Help"));
-    QAction *aboutAction = helpMenu->addAction(QObject::tr("&About"));
-    aboutAction->setMenuRole(QAction::AboutRole);
-    QObject::connect(aboutAction, SIGNAL(triggered()), sessionBusViewer, SLOT(about()));
-
-    QAction *aboutQtAction = helpMenu->addAction(QObject::tr("About &Qt"));
-    aboutQtAction->setMenuRole(QAction::AboutQtRole);
-    QObject::connect(aboutQtAction, SIGNAL(triggered()), &app, SLOT(aboutQt()));
-
     mw.show();
 
     return app.exec();
 }
-
diff --git a/src/qdbus/qdbusviewer/mainwindow.cpp b/src/qdbus/qdbusviewer/mainwindow.cpp
new file mode 100644
index 000000000..723d5637f
--- /dev/null
+++ b/src/qdbus/qdbusviewer/mainwindow.cpp
@@ -0,0 +1,101 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the tools applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "mainwindow.h"
+
+#include "qdbusviewer.h"
+
+#include <QtWidgets/QApplication>
+#include <QtWidgets/QTabWidget>
+#include <QtWidgets/QMenuBar>
+#include <QtWidgets/QMenu>
+#include <QtWidgets/QAction>
+#include <QtWidgets/QMessageBox>
+
+#include <QtDBus/QDBusConnection>
+
+MainWindow::MainWindow(QWidget *parent)
+    : QMainWindow(parent)
+{
+    QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
+    QAction *quitAction = fileMenu->addAction(tr("&Quit"), this, SLOT(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, SIGNAL(triggered()), this, SLOT(about()));
+
+    QAction *aboutQtAction = helpMenu->addAction(tr("About &Qt"));
+    aboutQtAction->setMenuRole(QAction::AboutQtRole);
+    QObject::connect(aboutQtAction, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
+
+    tabWidget = new QTabWidget;
+    setCentralWidget(tabWidget);
+
+    QDBusViewer *sessionBusViewer = new QDBusViewer(QDBusConnection::sessionBus());
+    QDBusViewer *systemBusViewer = new QDBusViewer(QDBusConnection::systemBus());
+    tabWidget->addTab(sessionBusViewer, tr("Session Bus"));
+    tabWidget->addTab(systemBusViewer, tr("System Bus"));
+}
+
+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(QString::fromLatin1("<center><img src=\":/qt-project.org/qdbusviewer/images/qdbusviewer-128.png\">"
+                "<h3>%1</h3>"
+                "<p>Version %2</p></center>"
+                "<p>Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).</p>")
+            .arg(tr("D-Bus Viewer")).arg(QLatin1String(QT_VERSION_STR)));
+    box.setWindowTitle(tr("D-Bus Viewer"));
+    box.exec();
+}
diff --git a/src/qdbus/qdbusviewer/mainwindow.h b/src/qdbus/qdbusviewer/mainwindow.h
new file mode 100644
index 000000000..d1802f457
--- /dev/null
+++ b/src/qdbus/qdbusviewer/mainwindow.h
@@ -0,0 +1,64 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the tools applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+
+QT_FORWARD_DECLARE_CLASS(QTabWidget)
+
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+public:
+    explicit MainWindow(QWidget *parent = 0);
+
+    void addCustomBusTab(const QString &bus);
+
+private slots:
+    void about();
+
+private:
+    QTabWidget *tabWidget;
+};
+
+#endif // MAINWINDOW_H
diff --git a/src/qdbus/qdbusviewer/qdbusviewer.cpp b/src/qdbus/qdbusviewer/qdbusviewer.cpp
index ac0c141b4..cb98c578a 100644
--- a/src/qdbus/qdbusviewer/qdbusviewer.cpp
+++ b/src/qdbus/qdbusviewer/qdbusviewer.cpp
@@ -495,19 +495,6 @@ void QDBusViewer::refreshChildren()
     model->refresh(tree->currentIndex());
 }
 
-void QDBusViewer::about()
-{
-    QMessageBox box(this);
-
-    box.setText(QString::fromLatin1("<center><img src=\":/qt-project.org/qdbusviewer/images/qdbusviewer-128.png\">"
-                "<h3>%1</h3>"
-                "<p>Version %2</p></center>"
-                "<p>Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).</p>")
-            .arg(tr("D-Bus Viewer")).arg(QLatin1String(QT_VERSION_STR)));
-    box.setWindowTitle(tr("D-Bus Viewer"));
-    box.exec();
-}
-
 void QDBusViewer::anchorClicked(const QUrl &url)
 {
     if (url.scheme() != QLatin1String("qdbus"))
diff --git a/src/qdbus/qdbusviewer/qdbusviewer.h b/src/qdbus/qdbusviewer/qdbusviewer.h
index 92523cce3..7a9feba28 100644
--- a/src/qdbus/qdbusviewer/qdbusviewer.h
+++ b/src/qdbus/qdbusviewer/qdbusviewer.h
@@ -69,7 +69,6 @@ public:
 
 public slots:
     void refresh();
-    void about();
 
 private slots:
     void serviceChanged(const QModelIndex &index);
diff --git a/src/qdbus/qdbusviewer/qdbusviewer.pro b/src/qdbus/qdbusviewer/qdbusviewer.pro
index 1cd2f8f4d..a653f9f46 100644
--- a/src/qdbus/qdbusviewer/qdbusviewer.pro
+++ b/src/qdbus/qdbusviewer/qdbusviewer.pro
@@ -1,13 +1,15 @@
 HEADERS         = qdbusviewer.h \
                   qdbusmodel.h \
                   propertydialog.h \
-                  logviewer.h
+                  logviewer.h \
+                  mainwindow.h
 
 SOURCES         = qdbusviewer.cpp \
                   qdbusmodel.cpp \
                   propertydialog.cpp \
                   logviewer.cpp \
-                  main.cpp
+                  mainwindow.cpp \
+                  main.cpp \
 
 RESOURCES += qdbusviewer.qrc