Method showSparklines

src/frontend/spreadsheet/SpreadsheetHeaderView.cpp:192–202

! Returns whether spark lines are shown currently or not. */

  Returns whether spark lines are shown currently or not.
*/
void SpreadsheetHeaderView::showSparklines(bool on) {
	m_showSparklines = on;
	if (on) {
		m_sparklineSlave->getModel()->spreadsheetModel()->spreadsheet()->setShowSparklines(true);
		if (!m_sparklineCalled) {
			Q_EMIT sparklineToggled();
			m_sparklineCalled = true;
		}
	}
	refresh();
}

void SpreadsheetHeaderView::refresh() {
	int width = sectionSize(count() - 1);