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free_elements_widget.cpp
51 lines (45 loc) · 1.39 KB
/
free_elements_widget.cpp
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#include "free_elements_widget.h"
#include <QMouseEvent>
#include "resources.h"
#include "free_elements_controller.h"
#include <QDrag>
pa_db::free_elements_widget::free_elements_widget( QWidget *parent )
: QListWidget( parent )
{
setAcceptDrops( true );
}
void pa_db::free_elements_widget::mouseMoveEvent( QMouseEvent *event )
{
if ( event->buttons( ) & Qt::LeftButton )
{
if ( currentItem( ) )
{
QDrag *drag = new QDrag( this );
QMimeData *mimeData = new QMimeData;
mimeData->setData( pa_db::text::free_element_mime_data( ), currentItem( )->data( Qt::UserRole ).toByteArray( ) );
drag->setMimeData( mimeData );
drag->start( Qt::MoveAction );
}
}
}
bool pa_db::free_elements_widget::dropMimeData( int index, const QMimeData *data, Qt::DropAction action )
{
if ( data->hasFormat( pa_db::text::link_element_mime_data( ) ) )
{
const pa_element el = pa_element::from_byte_array( data->data( pa_db::text::link_element_mime_data( ) ) );
m_cntrl->drop_element( el );
}
return true;
}
QStringList pa_db::free_elements_widget::mimeTypes( ) const
{
return QStringList( ) << pa_db::text::link_element_mime_data( );
}
Qt::DropActions pa_db::free_elements_widget::supportedDropActions( ) const
{
return Qt::CopyAction | Qt::MoveAction;
}
void pa_db::free_elements_widget::set_controller( free_elements_controller *cntrl )
{
m_cntrl = cntrl;
}