Method pageChanged

src/frontend/dockwidgets/WorksheetDock.cpp:355–381

! * \brief called when one of the standard page sizes was changed * \param i - index of the page size in the combobox */

 * \param i - index of the page size in the combobox
 */
void WorksheetDock::pageChanged(int i) {
	CONDITIONAL_LOCK_RETURN;

	// determine the width and the height of the to be used predefined layout
	const auto index = ui.cbPage->itemData(i).value<QPageSize::PageSizeId>();
	QSizeF s = QPageSize::size(index, QPageSize::Millimeter);
	if (ui.cbOrientation->currentIndex() == 1)
		s.transpose();

	// s is in mm, in UI we show everything in cm/in
	if (m_units == Units::Metric) {
		ui.sbWidth->setValue(roundValue(s.width() / 10.));
		ui.sbHeight->setValue(roundValue(s.height() / 10.));
	} else {
		ui.sbWidth->setValue(roundValue(s.width() / (GSL_CONST_CGS_INCH * Worksheet::convertToSceneUnits(1., Worksheet::Unit::Millimeter))));
		ui.sbHeight->setValue(roundValue(s.height() / (GSL_CONST_CGS_INCH * Worksheet::convertToSceneUnits(1., Worksheet::Unit::Millimeter))));
	}

	const double w = Worksheet::convertToSceneUnits(s.width(), Worksheet::Unit::Millimeter);
	const double h = Worksheet::convertToSceneUnits(s.height(), Worksheet::Unit::Millimeter);
	for (auto* worksheet : m_worksheetList) {
		worksheet->beginMacro(i18n("%1: set page size", worksheet->name()));
		worksheet->setUseViewSize(false);
		worksheet->setPageRect(QRectF(0, 0, w, h));
		worksheet->endMacro();
	}
}

/*!
 * \brief called when the width or the height of the page was changed manually