/** Lay out the container's components. */
public void layoutContainer(Container parent) {
Dimension parentSize = parent.getSize();
if (parentSize.height <= 0 || parentSize.width <= 0) return;
if (!_valid) validate();
_yyyy.doLayout(parent);
for (int r = 0; r < _xxxx.length; r++) {
int ystart = _yyyy.getRowStart(r);
int yheight = _yyyy.getRowHeight(r);
_xxxx[r].doLayout(parent, ystart, yheight);
}
}
