void Filter::showLegend()
{
if (!d_output_graph)
return;
LegendWidget* legend = d_output_graph->legend();
LegendWidget* l = d_output_graph->newLegend(legendInfo());
if (legend)
l->move(QPoint(legend->x(), legend->y() + legend->height() + 20));
}
foreach(QWidget *i, d_widgets){
LegendWidget *l = qobject_cast<LegendWidget *>(i);
if (!l){
QRect r = operateOn(i->geometry());
i->setGeometry(r);
FrameWidget *f = qobject_cast<FrameWidget *>(i);
if (f)
f->updateCoordinates();
continue;
}
QRect new_rect = operateOn(l->geometry());
l->move(new_rect.topLeft());
if (!l->text().isEmpty()){
QFont f = l->font();
f.setPointSize(f.pointSize() * new_rect.width() * new_rect.height()/(l->rect().width() * l->rect().height()));
l->setFont(f);
l->plot()->notifyFontChange(f);
}
}