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++ // Copyright (C) 2022 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ #ifndef NODESMODEL_H
++ #define NODESMODEL_H
++
++ #include <QObject>
++ #include <QAbstractListModel>
++ #include <QtQml/qqmlregistration.h>
++ #include "uniformmodel.h"
++
++ class NodesModel : public QAbstractListModel
++ {
++ Q_OBJECT
++ Q_PROPERTY(int rowCount READ rowCount NOTIFY rowCountChanged)
++
++ public:
++ enum NodeType {
++ SourceNode = 0,
++ DestinationNode,
++ CustomNode
++ };
++ struct Node {
++ int type = CustomNode;
++ // Id of the model, must be unique!
++ int nodeId = -1;
++ float x = 0;
++ float y = 0;
++ float width = 0;
++ float height = 0;
++ QString name;
++ bool selected = false;
++ bool disabled = false;
++ // These are helper positions when moving starts
++ float startX = 0;
++ float startY = 0;
++ // This points to next connected node. -1 when not connected.
++ int nextNodeId = -1;
++
++ // Unforms from the node JSON
++ // Note: These are not updated when the uniforms/properties change,
++ // so don't use this to other things than checking JSON uniforms.
++ QList<UniformModel::Uniform> jsonUniforms = {};
++ QString fragmentCode = {};
++ QString vertexCode = {};
++ QString qmlCode = {};
++ QString description = {};
++ bool operator==(const Node& rhs) const noexcept
++ {
++ return this->nodeId == rhs.nodeId;
++ }
++ bool operator!=(const Node& rhs) const noexcept
++ {
++ return !operator==(rhs);
++ }
++ };
++
++ enum NodesModelRoles {
++ Type = Qt::UserRole + 1,
++ Name,
++ X,
++ Y,
++ Width,
++ Height,
++ Selected,
++ NodeId,
++ Description,
++ Disabled
++ };
++
++ explicit NodesModel(QObject *parent = nullptr);
++
++ // Override from QAbstractItemModel
++ int rowCount(const QModelIndex & = QModelIndex()) const final;
++ QVariant data(const QModelIndex &index, int role) const final;
++ bool setData(const QModelIndex &index, const QVariant &value, int role) final;
++ QHash<int, QByteArray> roleNames() const final;
++
++ Node *getNodeWithId(int id);
++ void setSelectedNode(Node *node);
++
++ signals:
++ void selectedNodeChanged();
++ void rowCountChanged();
++
++ private:
++ friend class NodeView;
++ friend class EffectManager;
++
++ QList<Node> m_nodesList;
++ Node m_emptyNode;
++ Node *m_selectedNode = nullptr;
++ };
++
++ #endif // NODESMODEL_H