Method onOverlayButtonClicked

Gui/DockablePanel.cpp:1475–1528

}

void
DockablePanel::onOverlayButtonClicked()
{
    NodeSettingsPanel* nodePanel = dynamic_cast<NodeSettingsPanel*>(this);

    if (!nodePanel) {
        return;
    }
    NodePtr node = nodePanel->getNode()->getNode();
    if (!node) {
        return;
    }
    QColorDialog dialog(this);
    dialog.setOption(QColorDialog::DontUseNativeDialog);
    dialog.setOption(QColorDialog::ShowAlphaChannel);
    QColor oldColor;
    bool hadOverlayColor;
    {
        QMutexLocker locker(&_imp->_currentColorMutex);
        dialog.setCurrentColor(_imp->_overlayColor);
        oldColor = _imp->_overlayColor;
        hadOverlayColor = _imp->_hasOverlayColor;
    }
    QObject::connect( &dialog, SIGNAL(currentColorChanged(QColor)), this, SLOT(onOverlayColorDialogColorChanged(QColor)) );

    if ( dialog.exec() ) {
        QColor c = dialog.currentColor();
        {
            QMutexLocker locker(&_imp->_currentColorMutex);
            _imp->_overlayColor = c;
            _imp->_hasOverlayColor = true;
        }
    } else {
        if (!hadOverlayColor) {
            {
                QMutexLocker locker(&_imp->_currentColorMutex);
                _imp->_hasOverlayColor = false;
            }
            QPixmap pixOverlay;
            appPTR->getIcon(NATRON_PIXMAP_OVERLAY, NATRON_MEDIUM_BUTTON_ICON_SIZE, &pixOverlay);
            _imp->_overlayButton->setIcon( QIcon(pixOverlay) );
        }
    }
    Gui* gui = getGui();
    if (gui) {
        NodesList overlayNodes;

        gui->getNodesEntitledForOverlays(overlayNodes);
        NodesList::iterator found = std::find(overlayNodes.begin(), overlayNodes.end(), node);
        if ( found != overlayNodes.end() ) {
            gui->getApp()->redrawAllViewers();
        }
    }
}

QColor
DockablePanel::getOverlayColor() const