diff --git a/terminatorlib/terminal.py b/terminatorlib/terminal.py
index b0b3008d..0fefb749 100644
--- a/terminatorlib/terminal.py
+++ b/terminatorlib/terminal.py
@@ -1047,6 +1047,9 @@ class Terminal(Gtk.VBox):
         menu = TerminalPopupMenu(self)
         menu.show(widget, event)
 
+    def do_readonly_toggle(self):
+        self.vte.props.input_enabled = not self.vte.props.input_enabled
+
     def do_scrollbar_toggle(self):
         """Show or hide the terminal scrollbar"""
         self.toggle_widget_visibility(self.scrollbar)
diff --git a/terminatorlib/terminal_popup_menu.py b/terminatorlib/terminal_popup_menu.py
index 668c43e1..34e6a3fe 100644
--- a/terminatorlib/terminal_popup_menu.py
+++ b/terminatorlib/terminal_popup_menu.py
@@ -262,6 +262,11 @@ class TerminalPopupMenu(object):
             menu.append(item)
             menu.append(Gtk.SeparatorMenuItem())
 
+        item = self.menu_item(Gtk.CheckMenuItem, 'toggle_readonly', '_read only')
+        item.set_active(not(terminal.vte.get_input_enabled()))
+        item.connect('toggled', lambda x: terminal.do_readonly_toggle())
+        menu.append(item)
+
         item = self.menu_item(Gtk.CheckMenuItem, 'toggle_scrollbar',
                                                    'Show _scrollbar')
         item.set_active(terminal.scrollbar.get_property('visible'))