Create account sticker editor

src/models/emoticonfiltermodel.h

@@ -0,0 +1,49 @@
+// SPDX-FileCopyrightText: 2023 Tobias Fella <tobias.fella@kde.org>
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <QSortFilterProxyModel>
+
+/**
+ * @class EmoticonFilterModel
+ *
+ * This class creates a custom QSortFilterProxyModel for filtering a emoticon by type
+ * (Sticker or Emoji).
+ */
+class EmoticonFilterModel : public QSortFilterProxyModel
+{
+    Q_OBJECT
+
+    /**
+     * @brief Whether stickers should be shown
+     */
+    Q_PROPERTY(bool showStickers READ showStickers WRITE setShowStickers NOTIFY showStickersChanged)
+
+    /**
+     * @brief Whether emojis show be shown
+     */
+    Q_PROPERTY(bool showEmojis READ showEmojis WRITE setShowEmojis NOTIFY showEmojisChanged)
+
+public:
+    explicit EmoticonFilterModel(QObject *parent = nullptr);
+
+    /**
+     * @brief Custom filter function checking the type of emoticon
+     *
+     * @note The filter cannot be modified and will always use the same filter properties.
+     */
+    bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const override;
+
+    [[nodiscard]] bool showStickers() const;
+    void setShowStickers(bool showStickers);
+
+    [[nodiscard]] bool showEmojis() const;
+    void setShowEmojis(bool showEmojis);
+
+Q_SIGNALS:
+    void showStickersChanged();
+    void showEmojisChanged();
+
+private:
+    bool m_showStickers = false;
+    bool m_showEmojis = false;
+};