JFrame: getContentPane().getActionMap() [Bind key action to JFrame] : JFrame « javax.swing « Java by API

1. Java by API
2. javax.swing
3. JFrame

JFrame: getContentPane().getActionMap() [Bind key action to JFrame]

  
import java.awt.event.ActionEvent;

import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.InputMap;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.KeyStroke;

public class MainClass {

  public static void main(final String args[]) {
    final JFrame frame = new JFrame("Frame Key");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    Action actionListener = new AbstractAction() {
      public void actionPerformed(ActionEvent actionEvent) {
        System.out.println("Got an M");
      }
    };

    JPanel content = (JPanel) frame.getContentPane();
    KeyStroke stroke = KeyStroke.getKeyStroke("M");

    InputMap inputMap = content.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
    inputMap.put(stroke, "OPEN");
    content.getActionMap().put("OPEN", actionListener);

    frame.setSize(300, 300);
    frame.setVisible(true);
  }
}

           
         
    
  

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