Cutlery/calibre
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Fix #1367992 [Losing History in the eBook Viewer](https://bugs.launchpad.net/calibre/+bug/1367992)

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Kovid Goyal 2014-09-21 17:39:25 +05:30
parent 8e27bf42a4
commit bfabb2c492
1 changed files with 4 additions and 6 deletions
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10
src/calibre/gui2/viewer/ui.py
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@ -145,7 +145,7 @@ class History(list): # {{{
self.back_pos = self.forward_pos - 1
if self.back_pos < 0:
self.back_pos = None
self.insert_pos = self.back_pos or 0
self.insert_pos = min(len(self) - 1, (self.back_pos or 0) + 1)
self.forward_pos = None if self.forward_pos > len(self) - 2 else self.forward_pos + 1
self.set_actions()
return item
@ -171,13 +171,11 @@ def test_history():
h = History()
for i in xrange(4):
h.add(i)
for i in reversed(xrange(4)):
for i in reversed(h):
h.back(i)
print (h)
h.forward(0)
print (h)
h.add(1)
print (h)
h.add(9)
assert h == [0, 9]
# }}}
class Main(MainWindow):