Move NeoChatConnection and NeoChatRoom to LibNeoChat

Move `NeoChatConnection` and `NeoChatRoom` to `LibNeoChat` along with any required dependencies.

src/libneochat/models/emojimodel.h

@@ -0,0 +1,184 @@
+// SPDX-FileCopyrightText: 2018 Black Hat <bhat@encom.eu.org>
+// SPDX-License-Identifier: GPL-3.0-only
+
+#pragma once
+
+#include <KConfigGroup>
+#include <KSharedConfig>
+#include <QAbstractListModel>
+#include <QObject>
+#include <QQmlEngine>
+
+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;
+
+    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
+    QML_ELEMENT
+    QML_SINGLETON
+
+    /**
+     * @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;
+    }
+    static EmojiModel *create(QQmlEngine *engine, QJSEngine *)
+    {
+        engine->setObjectOwnership(&instance(), QQmlEngine::CppOwnership);
+        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;
+
+    /**
+     * @brief Return a list of the last used emoji shortnames
+     */
+    QStringList lastUsedEmojis() 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;
+
+    /// Returns QVariants containing the last used Emojis
+    QVariantList emojiHistory() const;
+
+    KSharedConfig::Ptr m_config;
+    KConfigGroup m_configGroup;
+    EmojiModel(QObject *parent = nullptr);
+};