Reset the cursor position from the item list when node changes

src/pubsub.py

@@ -183,7 +183,7 @@ class PubsubBrowserTab(tabs.Tab):
         node’s items
         """
         columns = self.item_list_header.get_columns()
-        self.item_listview.lines = []
+        self.item_listview.empty()
         log.debug('display_items_from_node: %s' % node.items)
         for item in node.items:
             self.item_listview.lines.append(item.to_dict(columns))

src/windows.py

@@ -1512,6 +1512,14 @@ class ListWin(Win):
         self._selected_row = 0
         self._starting_pos = 0  # The column number from which we start the refresh
 
+    def empty(self):
+        """
+        emtpy the list and reset some important values as well
+        """
+        self.lines = []
+        self._selected_row = 0
+        self._starting_pos = 0
+
     def resize_columns(self, dic):
         """
         Resize the width of the columns