92 lines
2.4 KiB
C++
92 lines
2.4 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2020 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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#include "graph.h"
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namespace olive {
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NodeGraph::NodeGraph()
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{
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}
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void NodeGraph::Clear()
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{
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foreach (Node* node, node_children_) {
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delete node;
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}
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node_children_.clear();
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}
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void NodeGraph::childEvent(QChildEvent *event)
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{
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Item::childEvent(event);
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Node* node = dynamic_cast<Node*>(event->child());
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if (node) {
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if (event->type() == QEvent::ChildAdded) {
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node_children_.append(node);
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// Connect to each input
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foreach (NodeInput* input, node->parameters()) {
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connect(input, &NodeInput::InputConnected, this, &NodeGraph::SignalInputConnected);
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connect(input, &NodeInput::InputDisconnected, this, &NodeGraph::SignalInputDisconnected);
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connect(input, &NodeInput::ValueChanged, this, &NodeGraph::SignalValueChanged);
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}
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emit NodeAdded(node);
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} else if (event->type() == QEvent::ChildRemoved) {
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node_children_.removeOne(node);
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// Disconnect from inputs
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foreach (NodeInput* input, node->parameters()) {
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disconnect(input, &NodeInput::InputConnected, this, &NodeGraph::SignalInputConnected);
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disconnect(input, &NodeInput::InputDisconnected, this, &NodeGraph::SignalInputDisconnected);
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disconnect(input, &NodeInput::ValueChanged, this, &NodeGraph::SignalValueChanged);
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}
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emit NodeRemoved(node);
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}
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}
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}
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void NodeGraph::SignalInputConnected(Node *output, int element)
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{
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emit InputConnected(output, static_cast<NodeInput*>(sender()), element);
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}
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void NodeGraph::SignalInputDisconnected(Node *output, int element)
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{
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emit InputDisconnected(output, static_cast<NodeInput*>(sender()), element);
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}
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void NodeGraph::SignalValueChanged(const TimeRange &range, int element)
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{
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Q_UNUSED(range)
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emit ValueChanged(static_cast<NodeInput*>(sender()), element);
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}
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}
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