e783. 监听对JList中项双击和三击
// Create a list
String[] items = {"A", "B", "C", "D"};
JList list = new JList(items);
// Add a listener for mouse clicks
list.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent evt) {
JList list = (JList)evt.getSource();
if (evt.getClickCount() == 2) { // Double-click
// Get item index
int index = list.locationToIndex(evt.getPoint());
} else if (evt.getClickCount() == 3) { // Triple-click
// Get item index
int index = list.locationToIndex(evt.getPoint());
// Note that this list will receive a double-click event before this triple-click event
}
}
});
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