Display version number in toolbar on the settings page

Fixes #341

app/backend/systemproperties.cpp

@@ -8,6 +8,7 @@
 
 SystemProperties::SystemProperties()
 {
+    versionString = QString(VERSION_STR);
     hasWindowManager = WMUtils::isRunningWindowManager();
     isRunningWayland = WMUtils::isRunningWayland();
     isRunningXWayland = isRunningWayland && QGuiApplication::platformName() == "xcb";

app/backend/systemproperties.h

@@ -21,6 +21,7 @@ public:
     Q_PROPERTY(QString unmappedGamepads MEMBER unmappedGamepads NOTIFY unmappedGamepadsChanged)
     Q_PROPERTY(int maximumStreamingFrameRate MEMBER maximumStreamingFrameRate CONSTANT)
     Q_PROPERTY(QSize maximumResolution MEMBER maximumResolution CONSTANT)
+    Q_PROPERTY(QString versionString MEMBER versionString CONSTANT)
 
     Q_INVOKABLE QRect getDesktopResolution(int displayIndex);
     Q_INVOKABLE QRect getNativeResolution(int displayIndex);
@@ -44,5 +45,6 @@ private:
     QSize maximumResolution;
     QList<QRect> monitorDesktopResolutions;
     QList<QRect> monitorNativeResolutions;
+    QString versionString;
 };
 

app/gui/main.qml

@@ -204,6 +204,15 @@ ApplicationWindow {
                 Layout.fillWidth: true
             }
 
+            Label {
+                id: versionLabel
+                visible: stackView.currentItem.objectName === "Settings"
+                text: "Version " + SystemProperties.versionString
+                font.pointSize: titleLabel.font.pointSize
+                horizontalAlignment: Qt.AlignRight
+                verticalAlignment: Qt.AlignVCenter
+            }
+
             NavigableToolButton {
                 id: addPcButton
                 visible: stackView.currentItem.objectName === "Computers"