+ if(!style || children.empty())
+ return;
+
+ Widget *child = children.front()->widget;
+ child->autosize();
+ if(const Part *part = style->find_part("children"))
+ {
+ const Sides &margin = part->get_margin();
+ child->set_position(margin.left, margin.bottom);
+ }
+}
+
+
+void List::MultiColumnItem::check_widths(vector<unsigned> &widths) const
+{
+ if(widths.size()<children.size())
+ widths.resize(children.size(), 0);
+
+ unsigned n = 0;
+ for(const Child *c: children)
+ {
+ Geometry cgeom;
+ c->widget->autosize(cgeom);
+ // TODO invent a better way to specify spacings
+ widths[n] = max(widths[n], cgeom.w+8);
+ ++n;
+ }
+}
+
+void List::MultiColumnItem::set_widths(const vector<unsigned> &widths)
+{
+ if(!style)
+ return;
+
+ const Part *part = style->find_part("children");
+ if(!part)
+ return;
+
+ const Sides &margin = part->get_margin();
+ int x = margin.left;
+ unsigned n = 0;
+ for(const Child *c: children)
+ {
+ c->widget->set_position(x, margin.bottom);
+ x += widths[n++];
+ }