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Check themes attribute exists before using it

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Click "Restore default icons" before icon themes loaded will cause an error.
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xxyzz 2022-08-09 09:00:59 +08:00
parent cc58f2eda7
commit cfd24b8ff7
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1 changed files with 2 additions and 0 deletions
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src/calibre/gui2/icon_theme.py
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@ -730,6 +730,8 @@ class ChooseThemeWidget(QWidget):
return default_theme()
def set_current_theme(self, name):
if not hasattr(self, "themes"):
return False
for i, t in enumerate(self.themes):
if t.get('name') == name:
self.theme_list.setCurrentRow(i, QItemSelectionModel.SelectionFlag.SelectCurrent | QItemSelectionModel.SelectionFlag.Clear)