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Fix #1770506 [ZeroDivisionError prevents display of Look & feel preferences (hidpi)](https://bugs.launchpad.net/calibre/+bug/1770506)

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Kovid Goyal 2018-05-11 05:14:42 +05:30
parent 83cff90848
commit 96f600eab6
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1 changed files with 10 additions and 9 deletions
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19
src/calibre/gui2/library/alternate_views.py
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@ -36,7 +36,9 @@ CACHE_FORMAT = 'PPM'
def auto_height(widget): def auto_height(widget):
return max(185, QApplication.instance().desktop().availableGeometry(widget).height() / 5.0) # On some broken systems, availableGeometry() returns tiny values, we need
# a value of at least 1000 for 200 DPI systems.
return max(1000, QApplication.instance().desktop().availableGeometry(widget).height()) / 5.0
class EncodeError(ValueError): class EncodeError(ValueError):
@ -225,8 +227,7 @@ def paths_from_event(self, event):
if md.hasFormat('text/uri-list') and not \ if md.hasFormat('text/uri-list') and not \
md.hasFormat('application/calibre+from_library'): md.hasFormat('application/calibre+from_library'):
urls = [unicode(u.toLocalFile()) for u in md.urls()] urls = [unicode(u.toLocalFile()) for u in md.urls()]
return [u for u in urls if os.path.splitext(u)[1] and return [u for u in urls if os.path.splitext(u)[1] and os.path.exists(u)]
os.path.exists(u)]
def setup_dnd_interface(cls_or_self): def setup_dnd_interface(cls_or_self):
@ -788,13 +789,13 @@ class GridView(QListView):
def refresh_settings(self): def refresh_settings(self):
size_changed = ( size_changed = (
gprefs['cover_grid_width'] != self.delegate.original_width or gprefs['cover_grid_width'] != self.delegate.original_width or gprefs['cover_grid_height'] != self.delegate.original_height
gprefs['cover_grid_height'] != self.delegate.original_height
) )
if (size_changed or gprefs['cover_grid_show_title'] != self.delegate.original_show_title or if (size_changed or gprefs[
gprefs['show_emblems'] != self.delegate.original_show_emblems or 'cover_grid_show_title'] != self.delegate.original_show_title or gprefs[
gprefs['emblem_size'] != self.delegate.orginal_emblem_size or 'show_emblems'] != self.delegate.original_show_emblems or gprefs[
gprefs['emblem_position'] != self.delegate.orginal_emblem_position): 'emblem_size'] != self.delegate.orginal_emblem_size or gprefs[
'emblem_position'] != self.delegate.orginal_emblem_position):
self.delegate.set_dimensions() self.delegate.set_dimensions()
self.setSpacing(self.delegate.spacing) self.setSpacing(self.delegate.spacing)
if size_changed: if size_changed: