Determining When a JFrame or JWindow Has Been Iconized or Maximized
// Register a window state listener on the frame
frame.addWindowStateListener(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
}
}
});
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