Add menu bar and about dialog.

gui/qml/mainwindow.qml

@@ -1,6 +1,6 @@
 import QtQuick 2.10
-import QtQuick.Controls 2.10
-import QtQuick.Layouts 1.10
+import QtQuick.Controls 2.3
+import QtQuick.Layouts 1.3
 
 ApplicationWindow
 {
@@ -9,4 +9,70 @@ ApplicationWindow
     visible: true
     width: 400
     height: 500
+
+    menuBar: MenuBar
+    {
+        Menu
+        {
+            title: "&FediPotato"
+            MenuItem
+            {
+                id: menu_exit
+                text: qsTr("Exit")
+                onTriggered: Qt.quit();
+
+                Shortcut
+                {
+                    sequence: "Ctrl+Q"
+                    context: Qt.ApplicationShortcut
+                    onActivated: menu_exit.clicked();
+                }
+            }
+        }
+
+        Menu
+        {
+            title: qsTr("&Help")
+            MenuItem
+            {
+                text: qsTr("Website")
+                onTriggered: Qt.openUrlExternally("http://fedipotato.org/")
+            }
+            MenuItem
+            {
+                text: qsTr("About FediPotato")
+                onTriggered: dialog_about.open()
+            }
+        }
+    }
+
+    Dialog
+    {
+        id: dialog_about
+        title: qsTr("About FediPotato") + " " + QMLBridge.get_version()
+        standardButtons: Dialog.Close
+
+        ColumnLayout
+        {
+            width: parent.width
+
+            Label
+            {
+                text: qsTr("Client for Fediverse servers.")
+            }
+
+            Label
+            {
+                Layout.fillWidth: true
+                wrapMode: Text.WordWrap
+                onLinkActivated: Qt.openUrlExternally(link)
+                text: qsTr("License AGPLv3: <a href='https://www.gnu.org/" +
+                           "licenses/agpl-3.0.txt'>" +
+                           "GNU Affero GPL version 3</a>.<br>" +
+                           "This program comes with ABSOLUTELY NO WARRANTY. " +
+                           "This is free software, and you are welcome to " +
+                           "redistribute it under certain conditions.")
+            }
+        }
+    }
 }

gui/src/main.cpp

@@ -14,15 +14,23 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "qmlbridge.hpp"
+
 #include <QGuiApplication>
 #include <QQmlApplicationEngine>
+#include <QQmlContext>
+
+using namespace FediPotato;
 
 int main(int argc, char *argv[])
 {
     QGuiApplication app(argc, argv);
 
-    QQmlApplicationEngine engine;
+    QMLBridge qmlbridge;
 
+    QQmlApplicationEngine engine;
+    // Make qmlbridge callable as QMLBridge in QML files.
+    engine.rootContext()->setContextProperty("QMLBridge", &qmlbridge);
     engine.load(QUrl(QStringLiteral("qrc:/qml/mainwindow.qml")));
 
     return QGuiApplication::exec();

gui/src/qmlbridge.cpp

@@ -0,0 +1,32 @@
+/*  This file is part of FediPotato.
+ *  Copyright © 2020 tastytea <tastytea@tastytea.de>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  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 Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qmlbridge.hpp"
+#include "fedipotato.hpp"
+
+namespace FediPotato
+{
+
+QMLBridge::QMLBridge(QObject *parent)
+    : QObject(parent)
+{}
+
+QString QMLBridge::get_version()
+{
+    return FediPotato::get_version().data();
+}
+
+} // namespace FediPotato

gui/src/qmlbridge.hpp

@@ -0,0 +1,22 @@
+#ifndef FEDIPOTATO_GUI_QMLBRIDGE_HPP
+#define FEDIPOTATO_GUI_QMLBRIDGE_HPP
+
+#include <QObject>
+#include <QString>
+
+namespace FediPotato
+{
+
+class QMLBridge : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit QMLBridge(QObject *parent = nullptr);
+
+    Q_INVOKABLE static QString get_version();
+};
+
+} // namespace FediPotato
+
+#endif  // FEDIPOTATO_GUI_QMLBRIDGE_HPP

lib/include/fedipotato.hpp

@@ -17,9 +17,47 @@
 #ifndef FEDIPOTATO_HPP
 #define FEDIPOTATO_HPP
 
+#include <string_view>
+
+/*!
+ *  @brief  High-level interface to fediverse accounts and their data.
+ *
+ *  @since  0.1.0
+ */
 namespace FediPotato
 {
 
+using std::string_view;
+
+class FediPotato
+{
+public:
+    //! Default constructor
+    FediPotato() = default;
+
+    //! Copy constructor
+    FediPotato(const FediPotato &other) = default;
+
+    //! Move constructor
+    FediPotato(FediPotato &&other) noexcept = default;
+
+    //! Destructor
+    virtual ~FediPotato() noexcept = default;
+
+    //! Copy assignment operator
+    FediPotato& operator=(const FediPotato &other) = default;
+
+    //! Move assignment operator
+    FediPotato& operator=(FediPotato &&other) noexcept = default;
+
+    /*!
+     *  @brief  Return the version.
+     *
+     *  @since  0.1.0
+     */
+    static string_view get_version();
+};
+
 } // namespace FediPotato
 
 #endif  // FEDIPOTATO_HPP

lib/src/fedipotato.cpp

@@ -15,8 +15,14 @@
  */
 
 #include "fedipotato.hpp"
+#include "version.hpp"
 
 namespace FediPotato
 {
 
+string_view FediPotato::get_version()
+{
+    return version;
+}
+
 } // namespace FediPotato