public void mouseClicked(MouseEvent ev) {
Window w = (Window) ev.getSource();
Frame f = null;
if (w instanceof Frame) {
f = (Frame) w;
} else {
return;
}
Point convertedPoint = SwingUtilities.convertPoint(w, ev.getPoint(), getTitlePane());
int state = f.getExtendedState();
if (getTitlePane() != null && getTitlePane().contains(convertedPoint)) {
if ((ev.getClickCount() % 2) == 0 && ((ev.getModifiers() & InputEvent.BUTTON1_MASK) != 0)) {
if (f.isResizable()) {
if ((state & Frame.MAXIMIZED_BOTH) != 0) {
f.setExtendedState(state & ~Frame.MAXIMIZED_BOTH);
} else {
f.setExtendedState(state | Frame.MAXIMIZED_BOTH);
}
return;
}
}
}
}
