Move the qt models to their own folder

Felt like the src folder was getting a bit crowded so move all the models to a folder named models.

src/models/completionmodel.h

@@ -0,0 +1,80 @@
+// SPDX-FileCopyrightText: 2022 Tobias Fella <fella@posteo.de>
+// SPDX-License-Identifier: LGPL-2.0-or-later
+
+#pragma once
+
+#include <QSortFilterProxyModel>
+
+#include <KConcatenateRowsProxyModel>
+
+#include "roomlistmodel.h"
+
+class CompletionProxyModel;
+class UserListModel;
+class NeoChatRoom;
+class RoomListModel;
+
+class CompletionModel : public QAbstractListModel
+{
+    Q_OBJECT
+    Q_PROPERTY(QString text READ text NOTIFY textChanged)
+    Q_PROPERTY(NeoChatRoom *room READ room WRITE setRoom NOTIFY roomChanged)
+    Q_PROPERTY(AutoCompletionType autoCompletionType READ autoCompletionType NOTIFY autoCompletionTypeChanged);
+    Q_PROPERTY(RoomListModel *roomListModel READ roomListModel WRITE setRoomListModel NOTIFY roomListModelChanged);
+
+public:
+    enum AutoCompletionType {
+        User,
+        Room,
+        Emoji,
+        Command,
+        None,
+    };
+    Q_ENUM(AutoCompletionType)
+
+    enum Roles {
+        Text = Qt::DisplayRole,
+        Subtitle,
+        Icon,
+        ReplacedText,
+    };
+    Q_ENUM(Roles);
+
+    CompletionModel(QObject *parent = nullptr);
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+    QHash<int, QByteArray> roleNames() const override;
+
+    QString text() const;
+    void setText(const QString &text, const QString &fullText);
+    void updateCompletion();
+
+    NeoChatRoom *room() const;
+    void setRoom(NeoChatRoom *room);
+
+    RoomListModel *roomListModel() const;
+    void setRoomListModel(RoomListModel *roomListModel);
+
+    AutoCompletionType autoCompletionType() const;
+
+Q_SIGNALS:
+    void textChanged();
+    void roomChanged();
+    void autoCompletionTypeChanged();
+    void roomListModelChanged();
+
+private:
+    QString m_text;
+    QString m_fullText;
+    CompletionProxyModel *m_filterModel;
+    NeoChatRoom *m_room = nullptr;
+    AutoCompletionType m_autoCompletionType = None;
+
+    void setAutoCompletionType(AutoCompletionType autoCompletionType);
+
+    UserListModel *m_userListModel;
+    RoomListModel *m_roomListModel;
+    KConcatenateRowsProxyModel *m_emojiModel;
+};
+Q_DECLARE_METATYPE(CompletionModel::AutoCompletionType);