text: // Copyright (c) 2011-2013 The Bitcoin developers
  // Copyright (c) 2017-2018 The PIVX developers
  // Distributed under the MIT/X11 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();
          auto* coinControlDialog = (CoinControlDialog*) this->parentWidget()->parentWidget();
          coinControlDialog->done(QDialog::Accepted);
      } else {
          this->QTreeWidget::keyPressEvent(event);
      }
  }
  