text: // Copyright (c) 2011-2015 The Bitcoin Core developers
  // Distributed under the MIT software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #include "coincontroltreewidget.h"
  #include "coincontroldialog.h"
  
  CoinControlTreeWidget::CoinControlTreeWidget(QWidget *parent) :
      QTreeWidget(parent)
  {
  
  }
  
  void CoinControlTreeWidget::keyPressEvent(QKeyEvent *event)
  {
      if (event->key() == Qt::Key_Space) // press spacebar -> select checkbox
      {
          event->ignore();
          int COLUMN_CHECKBOX = 0;
          if(this->currentItem())
              this->currentItem()->setCheckState(COLUMN_CHECKBOX, ((this->currentItem()->checkState(COLUMN_CHECKBOX) == Qt::Checked) ? Qt::Unchecked : Qt::Checked));
      }
      else if (event->key() == Qt::Key_Escape) // press esc -> close dialog
      {
          event->ignore();
          CoinControlDialog *coinControlDialog = (CoinControlDialog*)this->parentWidget();
          coinControlDialog->done(QDialog::Accepted);
      }
      else
      {
          this->QTreeWidget::keyPressEvent(event);
      }
  }
  