old_contents: """
  Contains the quick reference widget
  """
  import re
  from pyqode.qt import QtWidgets
  from .forms import quick_ref_ui
  
  class QuickRefWidget(QtWidgets.QWidget):
      def __init__(self, parent=None):
          super(QuickRefWidget, self).__init__(parent)
          self.ui = quick_ref_ui.Ui_Form()
          self.ui.setupUi(self)
          self._fix_default_font_size()
  
      def _fix_default_font_size(self):
          # remove fixed font size to allow the user to zoom in/out using
          # Ctrl+Mouse Wheel
          # Note: Zooming into HTML documents only works if the font-size is not
          # set to a fixed size.
          # (source: http://qt-project.org/doc/qt-5/qtextedit.html)
          html = self.ui.textEditQuickRef.toHtml()
          html = re.sub('font-size:\d+pt;', '', html)
          self.ui.textEditQuickRef.setHtml(html)
  
new_contents: """
  Contains the quick reference widget
  """
  import re
  from pyqode.qt import QtCore, QtWidgets
  from .forms import quick_ref_ui
  
  class QuickRefWidget(QtWidgets.QWidget):
      def __init__(self, parent=None):
          super(QuickRefWidget, self).__init__(parent)
          self.ui = quick_ref_ui.Ui_Form()
          self.ui.setupUi(self)
          self._fix_default_font_size()
          self.ui.textEditQuickRef.setContextMenuPolicy(
              QtCore.Qt.CustomContextMenu)
          self.ui.textEditQuickRef.customContextMenuRequested.connect(
              self._show_context_menu)
          self.context_menu = self.ui.textEditQuickRef.createStandardContextMenu()
          self.context_menu.addSeparator()
          action = self.context_menu.addAction('Zoom in')
          action.setShortcut('Ctrl+i')
          action.triggered.connect(self.ui.textEditQuickRef.zoomIn)
          self.addAction(action)
          action = self.context_menu.addAction('Zoom out')
          action.setShortcut('Ctrl+o')
          self.addAction(action)
          action.triggered.connect(self.ui.textEditQuickRef.zoomOut)
  
      def _show_context_menu(self, pos):
          self.context_menu.exec_(self.ui.textEditQuickRef.mapToGlobal(pos))
  
      def _fix_default_font_size(self):
          # remove fixed font size to allow the user to zoom in/out using
          # Ctrl+Mouse Wheel
          # Note: Zooming into HTML documents only works if the font-size is not
          # set to a fixed size.
          # (source: http://qt-project.org/doc/qt-5/qtextedit.html)
          html = self.ui.textEditQuickRef.toHtml()
          html = re.sub('font-size:\d+pt;', '', html)
          self.ui.textEditQuickRef.setHtml(html)
  
subject: Add zoom in/out action to the text edit context menu