def initialize(self, choices=None):
from calibre.utils.icu import numeric_sort_key
if self.system_default_paper_size is None:
PaperSizes.system_default_paper_size = 'a4'
if iswindows or ismacos:
# On Linux, this can cause Qt to load the system cups plugin
# which can crash: https://bugs.launchpad.net/calibre/+bug/1861741
PaperSizes.system_default_paper_size = 'letter' if QPrinter().pageSize() == QPagedPaintDevice.Letter else 'a4'
if not choices:
from calibre.ebooks.conversion.plugins.pdf_output import PAPER_SIZES
choices = PAPER_SIZES
for a in sorted(choices, key=numeric_sort_key):
s = getattr(QPageSize, a.capitalize())
sz = QPageSize.definitionSize(s)
unit = {QPageSize.Millimeter: 'mm', QPageSize.Inch: 'inch'}[QPageSize.definitionUnits(s)]
name = '{} ({:g} x {:g} {})'.format(QPageSize.name(s), sz.width(), sz.height(), unit)
self.addItem(name, a)
def initialize(self, choices=None):
from calibre.utils.icu import numeric_sort_key
if self.system_default_paper_size is None:
QComboBox.system_default_paper_size = 'letter' if QPrinter(
).pageSize() == QPagedPaintDevice.Letter else 'a4'
if not choices:
from calibre.ebooks.conversion.plugins.pdf_output import PAPER_SIZES
choices = PAPER_SIZES
for a in sorted(choices, key=numeric_sort_key):
s = getattr(QPageSize, a.capitalize())
sz = QPageSize.definitionSize(s)
unit = {
QPageSize.Millimeter: 'mm',
QPageSize.Inch: 'inch'
}[QPageSize.definitionUnits(s)]
name = '{} ({:g} x {:g} {})'.format(QPageSize.name(s), sz.width(),
sz.height(), unit)
self.addItem(name, a)