Method updatePaperSize

src/frontend/dockwidgets/WorksheetDock.cpp:208–252

! Checks whether the size is one of the QPageSize::PageSizeId and updates Size and Orientation checkbox when width/height changes. */

	updates Size and Orientation checkbox when width/height changes.
*/
void WorksheetDock::updatePaperSize() {
	if (m_worksheet->useViewSize()) {
		ui.cbSizeType->setCurrentIndex(ui.cbSizeType->findData((int)SizeType::ViewSize));
		return;
	}

	double w = ui.sbWidth->value();
	double h = ui.sbHeight->value();
	if (m_units == Units::Metric) {
		// In UI we use cm, so we need to convert to mm first before we check with QPageSize
		w *= 10;
		h *= 10;
	}

	const QSizeF s = QSizeF(w, h);
	const QSizeF st = s.transposed();

	// determine the position of the QPageSize::PageSizeId in the combobox
	bool found = false;
	for (int i = 0; i < ui.cbPage->count(); ++i) {
		const QVariant v = ui.cbPage->itemData(i);
		if (!v.isValid())
			continue;

		const auto id = v.value<QPageSize::PageSizeId>();
		QPageSize::Unit pageUnit = (m_units == Units::Metric) ? QPageSize::Millimeter : QPageSize::Inch;
		const QSizeF ps = QPageSize::size(id, pageUnit);
		if (s == ps) { // check the portrait-orientation first
			ui.cbPage->setCurrentIndex(i);
			ui.cbOrientation->setCurrentIndex(0); // a QPageSize::PaperSize in portrait-orientation was found
			found = true;
			break;
		} else if (st == ps) { // check for the landscape-orientation
			ui.cbPage->setCurrentIndex(i);
			ui.cbOrientation->setCurrentIndex(1); // a QPageSize::PaperSize in landscape-orientation was found
			found = true;
			break;
		}
	}

	if (!found)
		ui.cbSizeType->setCurrentIndex(ui.cbSizeType->findData((int)SizeType::Custom));
	else
		ui.cbSizeType->setCurrentIndex(ui.cbSizeType->findData((int)SizeType::StandardPage));
}

void WorksheetDock::retranslateUi() {
	CONDITIONAL_LOCK_RETURN;