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Edit book: File browser: Show total size of items in category when hovering over category with mouse

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Kovid Goyal 2021-02-23 11:01:33 +05:30
parent 65eda67d7c
commit 6e86fb0698
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1 changed files with 12 additions and 5 deletions
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17
src/calibre/gui2/tweak_book/file_list.py
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@ -166,14 +166,21 @@ class ItemDelegate(QStyledItemDelegate): # {{{
def paint(self, painter, option, index):
top_level = not index.parent().isValid()
hover = option.state & QStyle.StateFlag.State_MouseOver
cc = current_container()
def safe_size(index):
try:
return cc.filesize(str(index.data(NAME_ROLE) or ''))
except OSError:
return 0
if hover:
if top_level:
suffix = '%s(%d)' % (NBSP, index.model().rowCount(index))
count = index.model().rowCount(index)
total_size = human_readable(sum(safe_size(index.child(r, 0)) for r in range(count)))
suffix = f'{NBSP}{count}@{total_size}'
else:
try:
suffix = NBSP + human_readable(current_container().filesize(unicode_type(index.data(NAME_ROLE) or '')))
except EnvironmentError:
suffix = NBSP + human_readable(0)
suffix = NBSP + human_readable(safe_size(index))
br = painter.boundingRect(option.rect, Qt.AlignmentFlag.AlignRight|Qt.AlignmentFlag.AlignVCenter, suffix)
if top_level and index.row() > 0:
option.rect.adjust(0, 5, 0, 0)