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E-book viewer: Fix regression that could cause the next page action to sometime have no effect at the end of a section

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Kovid Goyal 2009-12-16 15:33:21 -07:00
parent 40cb977203
commit 3e3959eef4
1 changed files with 12 additions and 0 deletions
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12
src/calibre/gui2/viewer/documentview.py
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@ -587,20 +587,32 @@ class DocumentView(QWebView):
if self.manager is not None:
self.manager.next_document()
else:
oopos = self.document.ypos
#print '\nOriginal position:', oopos
self.document.set_bottom_padding(0)
opos = self.document.ypos
#print 'After set padding=0:', self.document.ypos
if opos < oopos:
if self.manager is not None:
self.manager.next_document()
return
lower_limit = opos + delta_y # Max value of top y co-ord after scrolling
max_y = self.document.height - window_height # The maximum possible top y co-ord
if max_y < lower_limit:
#print 'Setting padding to:', lower_limit - max_y
self.document.set_bottom_padding(lower_limit - max_y)
max_y = self.document.height - window_height
lower_limit = min(max_y, lower_limit)
#print 'Scroll to:', lower_limit
if lower_limit > opos:
self.document.scroll_to(self.document.xpos, lower_limit)
actually_scrolled = self.document.ypos - opos
#print 'After scroll pos:', self.document.ypos
self.find_next_blank_line(window_height - actually_scrolled)
#print 'After blank line pos:', self.document.ypos
if self.manager is not None:
self.manager.scrolled(self.scroll_fraction)
#print 'After all:', self.document.ypos
def scroll_by(self, x=0, y=0, notify=True):
old_pos = self.document.ypos