Method getTrackInstancesForButton

Gui/MultiInstancePanel.cpp:2045–2076

}

bool
TrackerPanelPrivateV1::getTrackInstancesForButton(std::vector<KnobButton*>* trackButtons,
                                                  const std::string& buttonName)
{
    std::list<Node*> selectedInstances;

    publicInterface->getSelectedInstances(&selectedInstances);
    if ( selectedInstances.empty() ) {
        Dialogs::warningDialog( tr("Tracker").toStdString(), tr("You must select something to track first").toStdString() );

        return false;
    }

    KnobButton* prevBtn = dynamic_cast<KnobButton*>( publicInterface->getKnobByName(buttonName).get() );
    assert(prevBtn);
    if (prevBtn) {
        for (std::list<Node*>::const_iterator it = selectedInstances.begin(); it != selectedInstances.end(); ++it) {
            if ( !(*it)->getEffectInstance() ) {
                return false;
            }
            if ( (*it)->isNodeDisabled() ) {
                continue;
            }
            KnobIPtr k = (*it)->getKnobByName( prevBtn->getName() );
            KnobButton* bKnob = dynamic_cast<KnobButton*>( k.get() );
            assert(bKnob);
            trackButtons->push_back(bKnob);
        }
    }

    return true;
}

bool
TrackerPanelV1::trackBackward(ViewerInstance* /*viewer*/)