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oak-editor/app/widget/nodeparamview/nodeparamviewconnectedlabel.cpp
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/***
Olive - Non-Linear Video Editor
Copyright (C) 2021 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 "nodeparamviewconnectedlabel.h"
#include <QHBoxLayout>
#include "common/qtutils.h"
#include "core.h"
#include "node/node.h"
#include "widget/menu/menu.h"
#include "widget/nodeview/nodeviewundo.h"
namespace olive {
NodeParamViewConnectedLabel::NodeParamViewConnectedLabel(const NodeInput &input, QWidget *parent) :
QWidget(parent),
input_(input),
connected_node_(nullptr)
{
QHBoxLayout* layout = new QHBoxLayout(this);
layout->setSpacing(QtUtils::QFontMetricsWidth(fontMetrics(), QStringLiteral(" ")));
layout->setMargin(0);
layout->addWidget(new QLabel(tr("Connected to")));
connected_to_lbl_ = new ClickableLabel();
connected_to_lbl_->setCursor(Qt::PointingHandCursor);
connected_to_lbl_->setContextMenuPolicy(Qt::CustomContextMenu);
connect(connected_to_lbl_, &ClickableLabel::MouseClicked, this, &NodeParamViewConnectedLabel::ConnectionClicked);
connect(connected_to_lbl_, &ClickableLabel::customContextMenuRequested, this, &NodeParamViewConnectedLabel::ShowLabelContextMenu);
layout->addWidget(connected_to_lbl_);
layout->addStretch();
// Set up "link" font
QFont link_font = connected_to_lbl_->font();
link_font.setUnderline(true);
connected_to_lbl_->setForegroundRole(QPalette::Link);
connected_to_lbl_->setFont(link_font);
if (input_.IsConnected()) {
InputConnected(input_.GetConnectedOutput(), input_);
} else {
InputDisconnected(NodeOutput(), input_);
}
connect(input_.node(), &Node::InputConnected, this, &NodeParamViewConnectedLabel::InputConnected);
connect(input_.node(), &Node::InputDisconnected, this, &NodeParamViewConnectedLabel::InputDisconnected);
}
void NodeParamViewConnectedLabel::InputConnected(const NodeOutput& output, const NodeInput& input)
{
if (input_ != input) {
return;
}
connected_node_ = output;
UpdateLabel();
}
void NodeParamViewConnectedLabel::InputDisconnected(const NodeOutput &output, const NodeInput &input)
{
if (input_ != input) {
return;
}
Q_UNUSED(output)
connected_node_ = NodeOutput();
UpdateLabel();
}
void NodeParamViewConnectedLabel::ShowLabelContextMenu()
{
Menu m(this);
QAction* disconnect_action = m.addAction(tr("Disconnect"));
connect(disconnect_action, &QAction::triggered, this, [this](){
Core::instance()->undo_stack()->push(new NodeEdgeRemoveCommand(connected_node_, input_));
});
m.exec(QCursor::pos());
}
void NodeParamViewConnectedLabel::ConnectionClicked()
{
if (connected_node_.IsValid()) {
emit RequestSelectNode({connected_node_.node()});
}
}
void NodeParamViewConnectedLabel::UpdateLabel()
{
QString s;
if (connected_node_.IsValid()) {
s = connected_node_.node()->Name();
} else {
s = tr("Nothing");
}
connected_to_lbl_->setText(s);
}
}