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| // appeler le fichier MultipleKeysListenerExample.java
// par Nicolas_75
// sur une idee de mabs
import java.awt.event.*;
import java.util.ArrayList;
import javax.swing.*;
class MultipleKeysListener implements KeyListener{
private ArrayList<Integer> currentPressedKeys = new ArrayList<Integer>();
public void keyPressed(KeyEvent ke) {
Integer keyPressedCode = new Integer(ke.getKeyCode());
if (!currentPressedKeys.contains(keyPressedCode)) { currentPressedKeys.add(keyPressedCode); }
// TESTS :
if (currentPressedKeys.contains(new Integer(KeyEvent.VK_UP)) && currentPressedKeys.contains(new Integer(KeyEvent.VK_RIGHT))) {
System.out.println("UP and RIGHT are pressed !");
}
}
public void keyReleased(KeyEvent ke) {
currentPressedKeys.remove(new Integer(ke.getKeyCode()));
}
public void keyTyped(KeyEvent ke) {}
}
public class MultipleKeysListenerExample extends JFrame {
public MultipleKeysListenerExample() {
this.setSize(400,400);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.addKeyListener(new MultipleKeysListener());
}
public static void main(String[] args) {
MultipleKeysListenerExample frame = new MultipleKeysListenerExample();
frame.setVisible(true);
}
} |
