Activating a Keystroke When Any Child Component Has Focus

    


import java.awt.event.ActionEvent;

import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.KeyStroke;

public class Main {
  public static void main(String[] argv) throws Exception {
    JButton component = new JButton();
    MyAction action = new MyAction();

    component.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(
        KeyStroke.getKeyStroke("F2"), action.getValue(Action.NAME));
  }
}

class MyAction extends AbstractAction {
  public MyAction() {
    super("my action");
  }

  public void actionPerformed(ActionEvent e) {
    System.out.println("hi");

  }
}

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1.	KeyListener, ActionListener Demo 1
2.	KeyListener, ActionListener Demo 2
3.	Key event on frame
4.	Responding to Keystrokes
5.	Key Event Demo
6.	Set java.awt.Container.getFocusTraversalKeys(int id)
7.	KeyStroke.getKeyStroke("F2")
8.	Activating a Keystroke When Any Component in the Window Has Focus
9.	InputMap javax.swing.JComponent.getInputMap(int condition)
10.	Listening to All Key Events Before Delivery to Focused Component
11.	List keystrokes in the WHEN_ANCESTOR_OF_FOCUSED_COMPONENT input map of the component
12.	List keystrokes in the WHEN_IN_FOCUSED_WINDOW input map of the component
13.	Converting a KeyStroke to a String
14.	Creating a KeyStroke and Binding It to an Action
15.	void InputMap.put(KeyStroke keyStroke, Object actionMapKey)
16.	Map actions with keystrokes
17.	Handling Key Presses
18.	Get key pressed as a key character (which is a Unicode character)
19.	Get key pressed as a key code
20.	Get Key Text
21.	KeyStroke to String
22.	Construct a new key description from a given universal string description
23.	Reads for modifiers and creates integer with required mask

Activating a Keystroke When Any Child Component Has Focus : Key Event « Event « Java

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