Add rows to stickerpicker

src/GridImagePackModel.h

@@ -0,0 +1,72 @@
+// SPDX-FileCopyrightText: Nheko Contributors
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QAbstractListModel>
+#include <QObject>
+#include <QString>
+
+#include <mtx/events/mscs/image_packs.hpp>
+
+struct StickerImage
+{
+    Q_GADGET
+    Q_PROPERTY(QString url MEMBER url CONSTANT)
+    Q_PROPERTY(QString shortcode MEMBER shortcode CONSTANT)
+    Q_PROPERTY(QString body MEMBER body CONSTANT)
+    Q_PROPERTY(QStringList descriptor READ descriptor CONSTANT)
+
+public:
+    QStringList descriptor() const
+    {
+        if (descriptor_.size() == 3)
+            return QStringList{
+              QString::fromStdString(descriptor_[0]),
+              QString::fromStdString(descriptor_[1]),
+              QString::fromStdString(descriptor_[2]),
+            };
+        else
+            return {};
+    }
+
+    QString url;
+    QString shortcode;
+    QString body;
+
+    std::vector<std::string> descriptor_; // roomid, statekey, shortcode
+};
+
+class GridImagePackModel final : public QAbstractListModel
+{
+    Q_OBJECT
+public:
+    enum Roles
+    {
+        PackName = Qt::UserRole,
+        Row,
+    };
+
+    GridImagePackModel(const std::string &roomId, bool stickers, QObject *parent = nullptr);
+    QHash<int, QByteArray> roleNames() const override;
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    QVariant data(const QModelIndex &index, int role) const override;
+
+private:
+    std::string room_id;
+
+    struct PackDesc
+    {
+        QString packname;
+        QString packavatar;
+        std::string room_id, state_key;
+
+        std::vector<std::pair<mtx::events::msc2545::PackImage, QString>> images;
+        std::size_t firstRow;
+    };
+
+    std::vector<PackDesc> packs;
+    std::vector<size_t> rowToPack;
+    int columns = 3;
+};