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Add documentation to the server

UI/ui_hex_spinbox.hpp

@@ -7,18 +7,67 @@ class UI_hex_spinbox : public UI_item
 {
     Q_OBJECT
   public:
+    /**
+     * @brief Construct a UI hex spinbox object
+     *
+     * @param parent The parent QObject
+     */
     explicit UI_hex_spinbox(QObject *parent = nullptr);
+    /**
+     * @brief Construct a UI hex spinbox object
+     *
+     * @param min The minimum value
+     * @param max The maximum value
+     * @param value The initial value
+     * @param parent The parent QObject
+     */
     UI_hex_spinbox(double min, double max, double value, QObject *parent = nullptr);
 
+    /**
+     * @brief Set the value of the hex spinbox
+     *
+     * @param value The value to set
+     */
     void set_value(double value) override;
+    /**
+     * @brief Get the value of the hex spinbox
+     *
+     * @return double The current value
+     */
     double value() const;
 
+    /**
+     * @brief Get the minimum value of the hex spinbox
+     *
+     * @return double The minimum value
+     */
     double min() const;
+    /**
+     * @brief Get the maximum value of the hex spinbox
+     *
+     * @return double The maximum value
+     */
     double max() const;
 
+    /**
+     * @brief Deserialize the hex spinbox from JSON
+     *
+     * @param j The JSON object
+     */
     void from_json(const json &j) override;
+    /**
+     * @brief Serialize the hex spinbox to JSON
+     *
+     * @param id The id of the hex spinbox
+     * @return json The JSON representation of the hex spinbox
+     */
     json to_json(size_t id) const override;
   signals:
+    /**
+     * @brief Signal emitted when the hex spinbox value changes
+     *
+     * @param value The new value
+     */
     void changed(double value);
 
   private: