C++ (Cpp) willShowContextMenu示例

示例#1

文件： qgsattributetableview.cpp 项目： CzendaZdenda/qgis

void QgsAttributeTableView::contextMenuEvent( QContextMenuEvent *event )
{
  if ( mActionPopup )
  {
    delete mActionPopup;
    mActionPopup = 0;
  }

  QModelIndex idx = indexAt( event->pos() );
  if ( !idx.isValid() )
  {
    return;
  }

  QgsVectorLayer *vlayer = mModel->layer();
  if ( !vlayer )
    return;

  mActionPopup = new QMenu();

  // let some other parts of the application add some actions
  emit willShowContextMenu( mActionPopup, idx );

  if ( mActionPopup->actions().count() > 0 )
  {
    mActionPopup->popup( event->globalPos() );
  }
}

示例#2

文件： qgsfeaturelistview.cpp 项目： dmarteau/QGIS

void QgsFeatureListView::contextMenuEvent( QContextMenuEvent *event )
{
  QModelIndex index = indexAt( event->pos() );

  if ( index.isValid() )
  {
    QgsFeature feature = mModel->data( index, QgsFeatureListModel::FeatureRole ).value<QgsFeature>();

    QgsActionMenu *menu = new QgsActionMenu( mModel->layerCache()->layer(), feature, QStringLiteral( "Feature" ), this );

    emit willShowContextMenu( menu, index );

    menu->exec( event->globalPos() );
  }
}