public void mouseMoved(MouseEvent ev) {
JRootPane root = getRootPane();
if (root.getWindowDecorationStyle() == JRootPane.NONE) {
return;
}
Window w = (Window) ev.getSource();
Frame f = null;
Dialog d = null;
if (w instanceof Frame) {
f = (Frame) w;
} else if (w instanceof Dialog) {
d = (Dialog) w;
}
// Update the cursor
int cursor = getCursor(calculateCorner(w, ev.getX(), ev.getY()));
if (cursor != 0
&& ((f != null && (f.isResizable() && (f.getExtendedState() & Frame.MAXIMIZED_BOTH) == 0))
|| (d != null && d.isResizable()))) {
w.setCursor(Cursor.getPredefinedCursor(cursor));
} else {
w.setCursor(lastCursor);
}
}
void forwardEventToParent(MouseEvent e) {
getParent()
.dispatchEvent(
new MouseEvent(
getParent(),
e.getID(),
e.getWhen(),
e.getModifiers(),
e.getX(),
e.getY(),
e.getXOnScreen(),
e.getYOnScreen(),
e.getClickCount(),
e.isPopupTrigger(),
MouseEvent.NOBUTTON));
}