Files
oak-editor/app/node/connectable.cpp
T
itsmattkc 96c0921193 use std::map instead of QMap for the node connections
std::map gives us a reverse iterator which we need. QMap doesn't seem to.
2021-01-15 14:34:36 +11:00

78 lines
2.5 KiB
C++

/***
Olive - Non-Linear Video Editor
Copyright (C) 2020 Olive Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#include "connectable.h"
#include "input.h"
#include "node.h"
namespace olive {
void NodeConnectable::ConnectEdge(Node *output, NodeInput *input, int element)
{
InputConnection conn_to_in = {input, element};
// Connection exists
if (std::find(output->output_connections_.begin(), output->output_connections_.end(), conn_to_in) != output->output_connections_.end()) {
qDebug() << "Ignored connect that already exists";
return;
}
// Ensure a connection isn't getting overwritten
Q_ASSERT(input->input_connections_.find(element) == input->input_connections_.end());
// Insert connections in both sides
output->output_connections_.push_back(conn_to_in);
input->input_connections_[element] = output;
// Emit signals
emit input->InputConnected(output, element);
emit output->OutputConnected(input, element);
}
void NodeConnectable::DisconnectEdge(Node *output, NodeInput *input, int element)
{
InputConnection conn_to_in = {input, element};
// Connection exists
if (std::find(output->output_connections_.begin(), output->output_connections_.end(), conn_to_in) == output->output_connections_.end()) {
qDebug() << "Ignored disconnect that doesn't exist";
return;
}
// Assertions to ensure connection exists
Q_ASSERT(input->input_connections_.at(element) == output);
// Remove connections from both sides
output->output_connections_.erase(std::find(output->output_connections_.begin(), output->output_connections_.end(), conn_to_in));
input->input_connections_.erase(input->input_connections_.find(element));
// Emit signals
emit input->InputDisconnected(output, element);
emit output->OutputDisconnected(input, element);
}
uint qHash(const NodeConnectable::InputConnection &r, uint seed)
{
return ::qHash(r.input, seed) ^ ::qHash(r.element, seed);
}
}