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);
}
}
/**
* Uninstalls any state that <code>installClientDecorations</code> has installed.
*
* <p>NOTE: This may be called if you haven't installed client decorations yet (ie before <code>
* installClientDecorations</code> has been invoked).
*/
private void uninstallClientDecorations(JRootPane root) {
uninstallBorder(root);
uninstallWindowListeners(root);
setTitlePane(root, null);
uninstallLayout(root);
// We have to revalidate/repaint root if the style is JRootPane.NONE
// only. When we needs to call revalidate/repaint with other styles
// the installClientDecorations is always called after this method
// imediatly and it will cause the revalidate/repaint at the proper
// time.
int style = root.getWindowDecorationStyle();
if (style == JRootPane.NONE) {
root.repaint();
root.revalidate();
}
// Reset the cursor, as we may have changed it to a resize cursor
if (window != null) {
window.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
}
window = null;
}
public void mouseExited(MouseEvent ev) {
Window w = (Window) ev.getSource();
w.setCursor(lastCursor);
}