.getSystemColor(SWT.COLOR_INFO_FOREGROUND));
label.setBackground(RoomManager.getMain().getDisplay()
.getSystemColor(SWT.COLOR_INFO_BACKGROUND));
label.setData("_TREEITEM", item);
label.setText(findRoom(item.getText()).getToolTipText());
label.addListener(SWT.MouseExit, labelListener);
label.addListener(SWT.MouseDown, labelListener);
Point size = tip.computeSize(SWT.DEFAULT, SWT.DEFAULT);
Rectangle rect = item.getBounds(0);
Point pt = chanList.toDisplay(rect.x, rect.y);
tip.setBounds(pt.x, pt.y, size.x, size.y);