Document trayicon

src/trayicon.h

@@ -7,6 +7,15 @@
 
 #include <QSystemTrayIcon>
 
+/**
+ * @class TrayIcon
+ *
+ * A class inheriting from QSystemTrayIcon to handle setting the system tray icon.
+ *
+ * Works for Windows, Linux and MacOS.
+ *
+ * @sa QSystemTrayIcon
+ */
 class TrayIcon : public QSystemTrayIcon
 {
     Q_OBJECT
@@ -14,5 +23,8 @@ public:
     TrayIcon(QObject *parent = nullptr);
 
 Q_SIGNALS:
+    /**
+     * @brief Triggered when the system tray icon is clicked to request NeoChat be shown.
+     */
     void showWindow();
 };