class_docstr: The main dialog window.
code: def keyPressEvent(self, e):
      if e.key() == QtCore.Qt.Key.Key_Left:
          self.set_large_image((self.current_thumbnail - 1) % 3)
      elif e.key() == QtCore.Qt.Key.Key_Right:
          self.set_large_image((self.current_thumbnail + 1) % 3)
      elif e.key() == QtCore.Qt.Key.Key_Up:
          self.set_entry(max(self.current_entry - 1, 0))
      elif e.key() == QtCore.Qt.Key.Key_Down:
          self.set_entry(
              min(self.current_entry + 1, len(self.entries) - 1)
          )
      elif e.key() == QtCore.Qt.Key.Key_A:
          self.accept_test()
      elif e.key() == QtCore.Qt.Key.Key_R:
          self.reject_test()
      else:
          super().keyPressEvent(e)
  
imports: import os
  from pathlib import Path
  import shutil
  import sys
  from matplotlib.backends.qt_compat import QtCore, QtGui, QtWidgets
  from matplotlib.backends.qt_compat import _exec
label_desc: Use image node_id 6 for calling the Dialog obj's underlying member method code with example usage: obj.keyPressEvent(e) without return types