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Determining When a Frame or Window Is Iconized or Maximized |
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Iconification and maximization events for a frame or window can be detected by adding a java.awt.event.WindowStateListener instance to that frame.
// Create the frame
Frame frame = new Frame();
// Create a listener
WindowStateListener listener = new WindowAdapter() {
public void windowStateChanged(WindowEvent evt) {
int oldState = evt.getOldState();
int newState = evt.getNewState();
if ((oldState & Frame.ICONIFIED) == 0
&& (newState & Frame.ICONIFIED) != 0) {
// Frame was iconized
} else if ((oldState & Frame.ICONIFIED) != 0
&& (newState & Frame.ICONIFIED) == 0) {
// Frame was deiconized
}
if ((oldState & Frame.MAXIMIZED_BOTH) == 0
&& (newState & Frame.MAXIMIZED_BOTH) != 0) {
// Frame was maximized
} else if ((oldState & Frame.MAXIMIZED_BOTH) != 0
&& (newState & Frame.MAXIMIZED_BOTH) == 0) {
// Frame was minimized
}
}
};
// Register the listener with the frame
frame.addWindowStateListener(listener);
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