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Compare books: Fix incorrect scrolling when viewing all text and a large amount of text is present after the final change.

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Kovid Goyal 2014-02-06 11:13:51 +05:30
parent bd95eb57c3
commit 91a229ae38
1 changed files with 7 additions and 8 deletions
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15
src/calibre/gui2/tweak_book/diff/view.py
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@ -940,7 +940,7 @@ def get_position_from_scrollbar(self, which):
changes = self.changes[which]
bar = self.bars[which]
syncpos = self.syncpos + bar.value()
prev = (0, 0, None)
prev = 0
for i, (top, bot, kind) in enumerate(changes):
if syncpos <= bot:
if top <= syncpos:
@ -951,15 +951,14 @@ def get_position_from_scrollbar(self, which):
ratio = 0
return 'in', i, ratio
else:
# syncpos is after the change
offset = syncpos - prev[1]
# syncpos is after the previous change
offset = syncpos - prev
return 'after', i - 1, offset
break
else:
prev = (top, bot, kind)
else:
offset = syncpos - prev[1]
return 'after', len(self.changes) - 1, offset
# syncpos is after the current change
prev = bot
offset = syncpos - prev
return 'after', len(changes) - 1, offset
def scroll_to(self, which, position):
changes = self.changes[which]