public void paint(Graphics g,
Shape allocation) {
super.paint(g, allocation);
Rectangle alloc = allocation.getBounds();
Rectangle clip = g.getClipBounds();
// Since listPainter paints in the insets we have to check for the
// case where the child is not painted because the paint region is
// to the left of the child. This assumes the ListPainter paints in
// the left margin.
if ((clip.x + clip.width) < (alloc.x + getLeftInset())) {
Rectangle childRect = alloc;
alloc = getInsideAllocation(allocation);
int n = getViewCount();
int endY = clip.y + clip.height;
for (int i = 0; i < n; i++) {
childRect.setBounds(alloc);
childAllocation(i, childRect);
if (childRect.y < endY) {
if ((childRect.y + childRect.height) >= clip.y) {
listPainter.paint(g, childRect.x, childRect.y,
childRect.width, childRect.height,
this, i);
}
}
else {
break;
}
}
}
}
Renders using the given rendering surface and area on that
surface. |