RosettaCodeData/Task/Keyboard-input-Keypress-check/Scala/keyboard-input-keypress-che...

34 lines
705 B
Scala

import java.awt.event.{KeyAdapter, KeyEvent}
import javax.swing.{JFrame, SwingUtilities}
class KeypressCheck() extends JFrame {
addKeyListener(new KeyAdapter() {
override def keyPressed(e: KeyEvent): Unit = {
val keyCode = e.getKeyCode
if (keyCode == KeyEvent.VK_ENTER) {
dispose()
System.exit(0)
}
else
println(keyCode)
}
})
}
object KeypressCheck extends App {
println("Press any key to see its code or 'enter' to quit\n")
SwingUtilities.invokeLater(() => {
def foo() = {
val f = new KeypressCheck
f.setFocusable(true)
f.setVisible(true)
f.setSize(200, 200)
f.setEnabled(true)
}
foo()
})
}