Dont check properties when doing Undo

asn1_value_editor/sdlHandler.py

@@ -493,7 +493,7 @@ class sdlHandler(QObject):
         ''' Called when the undo button is pressed '''
         self.undo_stack.undo()
         self.check_state()
-        self.current_hash = self.on_event()
+        self.current_hash = self.on_event(check_ppty=False)
         self.msc_undo.emit()
 
     def redo(self):
@@ -558,7 +558,7 @@ class sdlHandler(QObject):
         undo_cmd = SendTC(self, old_state)
         self.undo_stack.push(undo_cmd)
 
-    def on_event(self, tc_name=None, param=None):
+    def on_event(self, tc_name=None, param=None, check_ppty=True):
         ''' Read the values of internal variables in the dll, update the gui
             accordingly (in the "global state" panel), and depending on the
             current SDL state, enable/disable the buttons for sending TCs.
@@ -609,7 +609,9 @@ class sdlHandler(QObject):
             # Log all TC sent
             self.log_area.addItem('Sent {}({})'.format(tc_name,
                                                        param or ''))
-        self.check_properties(new_hash)
+        if check_ppty:
+            # When doing undo, dont check propertis again
+            self.check_properties(new_hash)
         # TEMP TO TEST
 #       for name, typedef in self.proc.dataview.viewitems():
 #           if name != 'MySeq': continue