112 lines
2.5 KiB
C++
112 lines
2.5 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2021 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef NODEGRAPH_H
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#define NODEGRAPH_H
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#include "node/group/group.h"
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#include "node/node.h"
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namespace olive {
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/**
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* @brief A collection of nodes
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*
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* This doesn't technically need to be a derivative of Item, but since both Item and NodeGraph need
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* to be QObject derivatives, this simplifies Sequence.
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*/
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class NodeGraph : public QObject
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{
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Q_OBJECT
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public:
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/**
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* @brief NodeGraph Constructor
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*/
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NodeGraph();
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/**
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* @brief NodeGraph Destructor
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*/
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virtual ~NodeGraph() override;
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/**
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* @brief Destructively destroys all nodes in the graph
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*/
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void Clear();
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/**
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* @brief Retrieve a complete list of the nodes belonging to this graph
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*/
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const QVector<Node*>& nodes() const
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{
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return node_children_;
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}
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const QVector<Node*>& default_nodes() const
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{
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return default_nodes_;
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}
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int GetNumberOfContextsNodeIsIn(Node *node, bool except_itself = false) const;
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signals:
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/**
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* @brief Signal emitted when a Node is added to the graph
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*/
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void NodeAdded(Node* node);
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/**
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* @brief Signal emitted when a Node is removed from the graph
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*/
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void NodeRemoved(Node* node);
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void InputConnected(Node *output, const NodeInput& input);
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void InputDisconnected(Node *output, const NodeInput& input);
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void ValueChanged(const NodeInput& input);
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void InputValueHintChanged(const NodeInput& input);
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void GroupAddedInputPassthrough(NodeGroup *group, const NodeInput &input);
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void GroupRemovedInputPassthrough(NodeGroup *group, const NodeInput &input);
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void GroupChangedOutputPassthrough(NodeGroup *group, Node *output);
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protected:
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void AddDefaultNode(Node* n)
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{
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default_nodes_.append(n);
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}
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virtual void childEvent(QChildEvent* event) override;
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private:
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QVector<Node*> node_children_;
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QVector<Node*> default_nodes_;
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};
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}
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#endif // NODEGRAPH_H
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