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  Keyhandler with swing?  (Read 1005 times)
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Offline Lain

Innocent Bystander




Java games rock!


« Posted 2004-11-15 22:49:49 »

Heh, sorry to ask a swing question on a gaming forum, but who says games cant be written with a swing front-end, right? Smiley

My app extends JFrame, and I have a JTextField that I want to attach a key handler on Smiley  I've tried doing Blahblah.addKeyListener(this), but the method thats in is directly called from my 'public static void main()', and it informs me that 'this' cant be called from a static context Sad

I changed some things around and now its telling me 'The method addKeyListener(KeyListener) in the type Component is not applicable for the arguments (myApp)'

Is there an easier way to get key input from swing components without using 'this'? Smiley thanks in advance, and once again, sorry for asking this sort of question here.
Offline CaptainJester

JGO Knight


Medals: 12
Projects: 2
Exp: 14 years


Make it work; make it better.


« Reply #1 - Posted 2004-11-16 11:26:36 »

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public Application extends JFrame implements KeyListener {
  JTextField field;
  public Application() {
    super("Test");
    field = new JTextField();
    getContentPane().add(field);
    field.addKeyListener(this);
  }
  public void keyTyped(KeyEvent e){
    System.out.println("key typed");
  }
  public void keyPressed(KeyEvent e){
    System.out.println("key pressed");
  }
  public void keyReleased(KeyEvent e){
    System.out.println("key released");
  }
  public static void main(String args[]) {
    Application app = new Application();
    app.show();
  }
}

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