KeyStroke Sample: Space key : KeyStroke « Swing Event « Java Tutorial

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Java Tutorial » Swing Event » KeyStroke 
15. 22. 6. KeyStroke Sample: Space key
KeyStroke Sample: Space key
import java.awt.event.ActionEvent;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.ActionMap;
import javax.swing.InputMap;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.KeyStroke;
public class KeyStrokeSampleSpace {
  public static void main(String[] a) {
    String ACTION_KEY = "theAction";
    JFrame frame = new JFrame("KeyStroke Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JButton buttonA = new JButton("<html><center>WINDOW<br>' '");
    Action actionListener = new AbstractAction() {
      public void actionPerformed(ActionEvent actionEvent) {
        JButton source = (JButtonactionEvent.getSource();
        System.out.println(source.getText());
      }
    };
    KeyStroke space = KeyStroke.getKeyStroke(' ');
    InputMap inputMap = buttonA.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
    inputMap.put(space, ACTION_KEY);
    ActionMap actionMap = buttonA.getActionMap();
    actionMap.put(ACTION_KEY, actionListener);
    buttonA.setActionMap(actionMap);
    frame.add(buttonA);
    frame.setSize(400200);
    frame.setVisible(true);
  }
}
15. 22. KeyStroke
15. 22. 1. KeyStroke Class
15. 22. 2. Creating a KeyStroke
15. 22. 3. Registering a KeyStrokeRegistering a KeyStroke
15. 22. 4. KeyStroke Sample: VKEnterKeyStroke Sample: VKEnter
15. 22. 5. KeyStroke Sample: function key and Shift keyKeyStroke Sample: function key and Shift key
15. 22. 6. KeyStroke Sample: Space keyKeyStroke Sample: Space key
15. 22. 7. List keystrokes in the WHEN_ANCESTOR_OF_FOCUSED_COMPONENT input map of the component
15. 22. 8. List keystrokes in the WHEN_IN_FOCUSED_WINDOW input map of the component
15. 22. 9. Converting a KeyStroke to a String
15. 22. 10. Creating a KeyStroke and Binding It to an Action
15. 22. 11. KeyStroke.getKeyStroke('F2')
15. 22. 12. Overriding - key
15. 22. 13. Override $ key
15. 22. 14. Overriding space key
15. 22. 15. Set java.awt.Container.getFocusTraversalKeys(int id)
15. 22. 16. Activating a Keystroke When Any Component in the Window Has Focus
15. 22. 17. Remove all forward focus traversal keys for the application
15. 22. 18. Remove all backward focus traversal keys for the application
15. 22. 19. Activating a Keystroke When Any Child Component Has Focus
15. 22. 20. Bind a keystroke to shift-space
15. 22. 21. KeyStroke to String
15. 22. 22. Get Key Text
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