private void showJTree(JScrollPane view, Point pt)
{
JTree tree = (JTree)view.Viewport.View;
Point p = SwingUtilities.convertPoint(view, pt.x, pt.y, tree);
int row = tree.getClosestRowForLocation(p.x, p.y);
TreePath path = tree.getClosestPathForLocation(p.x, p.y);
Rectangle bds = tree.getPathBounds(path);
if (bds == null || !bds.contains(p))
{
hide();
return;
}
if (setCompAndRow(tree, row))
{
Rectangle visible = getShowingRect(view);
Rectangle[] rects = getRects(bds, visible);
if (rects.Length > 0)
{
ensureOldPopupsHidden();
painter.configure(path.LastPathComponent, view, tree, path, row);
showPopups(rects, bds, visible, tree, view);
}
else
{
hide();
}
}
}
private void showJList(JScrollPane view, Point pt)
{
JList list = (JList)view.Viewport.View;
Point p = SwingUtilities.convertPoint(view, pt.x, pt.y, list);
int row = list.locationToIndex(p);
if (row == -1)
{
hide();
return;
}
Rectangle bds = list.getCellBounds(row, row);
//GetCellBounds returns a width that is the
//full component width; we want only what
//the renderer really needs.
ListCellRenderer ren = list.CellRenderer;
Dimension rendererSize = ren.getListCellRendererComponent(list, list.Model.getElementAt(row), row, false, false).PreferredSize;
// fix for possible npe spotted by SCO
// http://pspsharp.org/forum/viewtopic.php?p=3387#p3387
if (bds == null)
{
hide();
return;
}
bds.width = rendererSize.width;
if (!bds.contains(p))
{
hide();
return;
}
//bds.width = rendererSize.width;
//if (bds == null || !bds.contains(p)) {
// hide();
// return;
//}
// end "fix for possible npe spotted by SCO"
if (setCompAndRow(list, row))
{
Rectangle visible = getShowingRect(view);
Rectangle[] rects = getRects(bds, visible);
if (rects.Length > 0)
{
ensureOldPopupsHidden();
painter.configure(list.Model.getElementAt(row), view, list, row);
showPopups(rects, bds, visible, list, view);
}
else
{
hide();
}
}
}
public override void mouseMoved(MouseEvent e)
{
Point p = e.Point;
JComponent comp = (JComponent)e.Source;
JScrollPane jsp = (JScrollPane)SwingUtilities.getAncestorOfClass(typeof(JScrollPane), comp);
if (jsp != null)
{
p = SwingUtilities.convertPoint(comp, p, jsp);
show(jsp, p);
}
}
