void ColorSchemeGraphicsItem::updateRects()
{
qDeleteAll(m_rects);
m_rects.clear();
const auto parent = dynamic_cast<QWidget*>(parentWidget());
const auto dpiScale = DpiAware::dpiBasedScale(parent);
const auto invRatio = 1.0 / DpiAware::devicePixelRatio(parent);
const QSize rectSize = m_rectSize.toSize() * dpiScale;
const int margin = m_margin * dpiScale; // this is required to be an int
auto pen = QPen(QPalette().dark().color());
pen.setWidthF(invRatio);
for (uint i = 0; i < m_classes; ++i)
{
auto rect = new QGraphicsRectItem(this);
rect->setPen(pen);
rect->setRect(margin, margin + i * (rectSize.height() + m_padding), rectSize.width(), rectSize.height());
m_rects << rect;
}
updateBrushes();
updateTooltips();
m_frame->setRect(0, 0, rectSize.width() + 2.0 * margin + invRatio,
rectSize.height() * m_classes + m_padding * (m_classes - 1) + 2.0 * margin + invRatio);
update();
}
void DataSourceControlWidget::treatLineWidthChanging()
{
if (mDataSource) {
auto graphStyle = mDataSource->graphStyle();
auto pen = graphStyle->pen();
pen.setWidthF(ui->lineWidthDoubleSpinBox->value());
graphStyle->setPen(pen);
}
}