Method on_mouseDoubleClick

ImagePlay/src/ImageViewerWindow.cpp:958–982

----------------------------------------------------------------------------- ! ImageViewerWindow::on_mouseDoubleClick Doubleclick the image to lock or unlock the position of the zoomWidget. The position stays the same for all image tabs. */

The position stays the same for all image tabs.
*/
void ImageViewerWindow::on_mouseDoubleClick()
{
    // either finish picking coordinates
    if(_coordinatePickHandler)
    {
        _coordinatePickHandler->pickCoordinates(_currentPosition.x(), _currentPosition.y());
        _coordinatePickHandler->finishPickingCoordinates();
    }// either finish picking coordinates
    else if(_colorPickHandler)
    {
        _colorPickHandler->pickColor(IPLColor(_currentColor.redF(), _currentColor.greenF(), _currentColor.blueF()));
        _colorPickHandler->finishPickingColor();
    }
    // or lock the zoomer position
    else
    {
        ui->zoomWidget->togglePositionLocked();

        // update icon
        if(ui->zoomWidget->isPositionLocked())
            ui->positionLockedLabel->setStyleSheet("background-image: url(:/padlock_closed_inv.png) no-repeat;");
        else
            ui->positionLockedLabel->setStyleSheet("background-image: url(:/padlock_open_inv.png) no-repeat;");
    }
}
//-----------------------------------------------------------------------------
/*!
ImageViewerWindow::on_zoomWidgetModeCombobox_currentIndexChanged