QtBaseViewerDragDrop.cc

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//=============================================================================
//
//  CLASS QtBaseViewer - IMPLEMENTATION
//
//=============================================================================


//== INCLUDES =================================================================

#include "QtBaseViewer.hh"
#include <QDrag>
#include <QMimeData>

//== NAMESPACES ===============================================================

namespace ACG {
namespace QtWidgets {


//== IMPLEMENTATION ==========================================================

void QtBaseViewer::startDrag()
{
  QString view;
  encodeView(view);

  QDrag     * drag = new QDrag( this );
  QMimeData * mime_data = new QMimeData();

  mime_data->setText( view );
  drag->setMimeData( mime_data );
  drag->exec();
}


void QtBaseViewer::glDragEnterEvent(QDragEnterEvent* _event)
{
  if ( externalDrag_ ) {
    emit dragEnterEvent(_event);
  } else {
    if ( _event->mimeData()->hasFormat("text/plain") )
      _event->acceptProposedAction();
  }
}


void QtBaseViewer::glDropEvent(QDropEvent* _event)
{
  if ( externalDrag_ ) {
    emit dropEvent( _event );
  } else {
    if ( _event->source() != this )
    {
      QString view( _event->mimeData()->text() );
      decodeView(view);
      _event->acceptProposedAction();
    }
  }
}

//=============================================================================
} // namespace QtWidgets
} // namespace ACG
//=============================================================================