File indexing completed on 2024-05-05 16:58:37

 // SPDX-FileCopyrightText: 2018 Black Hat <bhat@encom.eu.org>
 // SPDX-License-Identifier: GPL-3.0-only
 
 #pragma once
 
 #include <QAbstractListModel>
 #include <QObject>
 #include <QSettings>
 
 struct Emoji {
     Emoji(QString unicode, QString shortname, bool isCustom = false)
         : unicode(std::move(unicode))
         , shortName(std::move(shortname))
         , isCustom(isCustom)
     {
     }
     Emoji(QString unicode, QString shortname, QString description)
         : unicode(std::move(unicode))
         , shortName(std::move(shortname))
         , description(std::move(description))
     {
     }
     Emoji() = default;
 
     friend QDataStream &operator<<(QDataStream &arch, const Emoji &object)
     {
         arch << object.unicode;
         arch << object.shortName;
         return arch;
     }
 
     friend QDataStream &operator>>(QDataStream &arch, Emoji &object)
     {
         arch >> object.unicode;
         arch >> object.shortName;
         object.isCustom = object.unicode.startsWith("image://");
         return arch;
     }
 
     QString unicode;
     QString shortName;
     QString description;
     bool isCustom = false;
 
     Q_GADGET
     Q_PROPERTY(QString unicode MEMBER unicode)
     Q_PROPERTY(QString shortName MEMBER shortName)
     Q_PROPERTY(QString description MEMBER description)
     Q_PROPERTY(bool isCustom MEMBER isCustom)
 };
 
 Q_DECLARE_METATYPE(Emoji)
 
 /**
  * @class EmojiModel
  *
  * This class defines the model for visualising a list of emojis.
  */
 class EmojiModel : public QAbstractListModel
 {
     Q_OBJECT
 
     /**
      * @brief Return a list of recently used emojis.
      */
     Q_PROPERTY(QVariantList history READ history NOTIFY historyChanged)
 
     /**
      * @brief Return a list of emoji categories.
      *
      * @note No custom emoji categories will be included.
      */
     Q_PROPERTY(QVariantList categories READ categories CONSTANT)
 
     /**
      * @brief Return a list of emoji categories with custom emojis.
      */
     Q_PROPERTY(QVariantList categoriesWithCustom READ categoriesWithCustom CONSTANT)
 
 public:
     static EmojiModel &instance()
     {
         static EmojiModel _instance;
         return _instance;
     }
 
     /**
      * @brief Defines the model roles.
      */
     enum RoleNames {
         ShortNameRole = Qt::DisplayRole, /**< The name of the emoji. */
         UnicodeRole, /**< The unicode character of the emoji. */
         InvalidRole = 50, /**< Invalid, reserved. */
         DisplayRole = 51, /**< The display text for an emoji. */
         ReplacedTextRole = 52, /**< The text to replace the short name with (i.e. the unicode character). */
         DescriptionRole = 53, /**< The long description of an emoji. */
     };
     Q_ENUM(RoleNames)
 
     /**
      * @brief Defines the potential categories an emoji can be placed in.
      */
     enum Category {
         Custom, /**< A custom user emoji. */
         Search, /**< The results of a filter. */
         SearchNoCustom, /**< The results of a filter with no custom emojis. */
         History, /**< Recently used emojis. */
         HistoryNoCustom, /**< Recently used emojis with no custom emojis. */
         Smileys, /**< Smileys & emotion emojis. */
         People, /**< People & Body emojis. */
         Nature, /**< Animals & Nature emojis. */
         Food, /**< Food & Drink emojis. */
         Activities, /**< Activities emojis. */
         Travel, /**< Travel & Places emojis. */
         Objects, /**< Objects emojis. */
         Symbols, /**< Symbols emojis. */
         Flags, /**< Flags emojis. */
         Component, /**< ??? */
     };
     Q_ENUM(Category)
 
     /**
      * @brief Get the given role value at the given index.
      *
      * @sa QAbstractItemModel::data
      */
     [[nodiscard]] QVariant data(const QModelIndex &idx, int role = Qt::DisplayRole) const override;
 
     /**
      * @brief Number of rows in the model.
      *
      * @sa  QAbstractItemModel::rowCount
      */
     [[nodiscard]] int rowCount(const QModelIndex &parent = QModelIndex()) const override;
 
     /**
      * @brief Returns a mapping from Role enum values to role names.
      *
      * @sa RoleNames, QAbstractItemModel::roleNames()
      */
     [[nodiscard]] QHash<int, QByteArray> roleNames() const override;
 
     /**
      * @brief Return a filtered list of emojis.
      *
      * @note This includes custom emojis, use filterModelNoCustom to return a result
      *       without custom emojis.
      *
      * @sa filterModelNoCustom
      */
     Q_INVOKABLE static QVariantList filterModel(const QString &filter, bool limit = true);
 
     /**
      * @brief Return a filtered list of emojis without custom emojis.
      *
      * @note Use filterModel to return a result with custom emojis.
      *
      * @sa filterModel
      */
     Q_INVOKABLE static QVariantList filterModelNoCustom(const QString &filter, bool limit = true);
 
     /**
      * @brief Return a list of emojis for the given category.
      */
     Q_INVOKABLE QVariantList emojis(Category category) const;
 
     /**
      * @brief Return a list of emoji tones for the given base emoji.
      */
     Q_INVOKABLE QVariantList tones(const QString &baseEmoji) const;
 
     Q_INVOKABLE QVariantList history() const;
     QVariantList categories() const;
     QVariantList categoriesWithCustom() const;
 
 Q_SIGNALS:
     void historyChanged();
 
 public Q_SLOTS:
     void emojiUsed(const QVariant &modelData);
 
 private:
     static QHash<Category, QVariantList> _emojis;
 
     // TODO: Port away from QSettings
     QSettings m_settings;
     EmojiModel(QObject *parent = nullptr);
 };