def choose_icon_theme(self): from calibre.gui2.icon_theme import ChooseTheme d = ChooseTheme(self) if d.exec_() == d.Accepted: self.commit_icon_theme = d.commit_changes self.icon_theme_title = d.new_theme_title or _('Default icons') self.icon_theme.setText(_('Icon theme: <b>%s</b>') % self.icon_theme_title) self.changed_signal.emit()