This commit is contained in:
Kovid Goyal 2013-02-15 16:24:05 +05:30
parent d0e143fdd8
commit d45b746c62

View File

@ -68,11 +68,11 @@ class History(list):
if self.back_pos is None:
return None
item = self[self.back_pos]
# The next forward must go to from_pos
self.forward_pos = self.back_pos+1
if self.forward_pos >= len(self) or self[self.forward_pos] != from_pos:
self.insert(self.forward_pos, from_pos)
self.insert_pos = self.forward_pos
if self.forward_pos >= len(self):
self.append(from_pos)
self.forward_pos = len(self) - 1
self.insert_pos = self.forward_pos or len(self)
self.back_pos = None if self.back_pos == 0 else self.back_pos - 1
self.set_actions()
return item