99 lines
2.7 KiB
C++
99 lines
2.7 KiB
C++
// SPDX-FileCopyrightText: 2021 Carson Black <uhhadd@gmail.com>
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <QAbstractListModel>
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#include <QRegularExpression>
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#include <memory>
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struct CustomEmoji {
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QString name; // with :semicolons:
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QString url; // mxc://
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QRegularExpression regexp;
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Q_GADGET
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Q_PROPERTY(QString unicode MEMBER url)
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Q_PROPERTY(QString name MEMBER name)
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};
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/**
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* @class CustomEmojiModel
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*
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* This class defines the model for custom user emojis.
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*
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* This is based upon the im.ponies.user_emotes spec (MSC2545).
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*/
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class CustomEmojiModel : public QAbstractListModel
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{
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Q_OBJECT
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public:
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/**
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* @brief Defines the model roles.
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*/
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enum Roles {
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Name = Qt::DisplayRole, /**< The name of the emoji. */
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ImageURL, /**< The URL for the custom emoji. */
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ModelData, /**< for emulating the regular emoji model's usage, otherwise the UI code would get too complicated. */
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MxcUrl = 50, /**< The mxc source URL for the custom emoji. */
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DisplayRole = 51, /**< The name of the emoji. For compatibility with EmojiModel. */
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ReplacedTextRole = 52, /**< The name of the emoji. For compatibility with EmojiModel. */
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DescriptionRole = 53, /**< Invalid, reserved. For compatibility with EmojiModel. */
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};
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Q_ENUM(Roles);
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static CustomEmojiModel &instance()
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{
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static CustomEmojiModel _instance;
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return _instance;
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}
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/**
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* @brief Get the given role value at the given index.
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*
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* @sa QAbstractItemModel::data
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*/
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QVariant data(const QModelIndex &idx, int role = Qt::DisplayRole) const override;
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/**
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* @brief Number of rows in the model.
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*
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* @sa QAbstractItemModel::rowCount
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*/
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int rowCount(const QModelIndex &parent = QModelIndex()) const override;
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/**
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* @brief Returns a mapping from Role enum values to role names.
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*
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* @sa Roles, QAbstractItemModel::roleNames()
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*/
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QHash<int, QByteArray> roleNames() const override;
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/**
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* @brief Substitute any custom emojis for an image in the input text.
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*/
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Q_INVOKABLE QString preprocessText(const QString &it);
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/**
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* @brief Return a list of custom emojis where the name contains the filter text.
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*/
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Q_INVOKABLE QVariantList filterModel(const QString &filter);
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/**
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* @brief Add a new emoji to the model.
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*/
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Q_INVOKABLE void addEmoji(const QString &name, const QUrl &location);
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/**
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* @brief Remove an emoji from the model.
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*/
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Q_INVOKABLE void removeEmoji(const QString &name);
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private:
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explicit CustomEmojiModel(QObject *parent = nullptr);
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QList<CustomEmoji> m_emojis;
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void fetchEmojis();
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};
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