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BackDrop.cpp
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88 lines (72 loc) · 2.65 KB
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/* ***** BEGIN LICENSE BLOCK *****
* This file is part of Natron <http://www.natron.fr/>,
* Copyright (C) 2015 INRIA and Alexandre Gauthier-Foichat
*
* Natron 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 2 of the License, or
* (at your option) any later version.
*
* Natron 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 Natron. If not, see <http://www.gnu.org/licenses/gpl-2.0.html>
* ***** END LICENSE BLOCK ***** */
// ***** BEGIN PYTHON BLOCK *****
// from <https://docs.python.org/3/c-api/intro.html#include-files>:
// "Since Python may define some pre-processor definitions which affect the standard headers on some systems, you must include Python.h before any standard headers are included."
#include <Python.h>
// ***** END PYTHON BLOCK *****
#include "BackDrop.h"
#include "Engine/Transform.h"
#include "Engine/KnobTypes.h"
struct BackDropPrivate
{
boost::weak_ptr<String_Knob> knobLabel;
BackDropPrivate()
: knobLabel()
{
}
};
BackDrop::BackDrop(boost::shared_ptr<Natron::Node> node)
: NoOpBase(node)
, _imp(new BackDropPrivate())
{
}
BackDrop::~BackDrop()
{
}
std::string
BackDrop::getDescription() const
{
return QObject::tr("The node backdrop is useful to group nodes and identify them in the node graph. You can also "
"move all the nodes inside the backdrop.").toStdString() ;
}
void
BackDrop::initializeKnobs()
{
boost::shared_ptr<Page_Knob> page = Natron::createKnob<Page_Knob>(this, "Controls");
boost::shared_ptr<String_Knob> knobLabel = Natron::createKnob<String_Knob>( this, "Label");
knobLabel->setAnimationEnabled(false);
knobLabel->setAsMultiLine();
knobLabel->setUsesRichText(true);
knobLabel->setHintToolTip( QObject::tr("Text to display on the backdrop.").toStdString() );
knobLabel->setEvaluateOnChange(false);
page->addKnob(knobLabel);
_imp->knobLabel = knobLabel;
}
void
BackDrop::knobChanged(KnobI* k,
Natron::ValueChangedReasonEnum /*reason*/,
int /*view*/,
SequenceTime /*time*/,
bool /*originatedFromMainThread*/)
{
if ( k == _imp->knobLabel.lock().get() ) {
QString text( _imp->knobLabel.lock()->getValue().c_str() );
Q_EMIT labelChanged(text);
}
}