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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
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