Re: JDialog not consuming ESC key

From:
"John T. Dow" <john@johntdow.com>
Newsgroups:
comp.lang.java.gui
Date:
Sat, 03 Feb 2007 09:01:59 GMT
Message-ID:
<Xns98CC29073A264johnjohntdowcom@207.217.125.201>
"chipu" <thrawnkb@gmail.com> wrote in news:1170438123.647522.12460
@s48g2000cws.googlegroups.com:

you add that listener to the toolkit:
getToolkit().addAWTEventListener(yourListener,
AWTEvent.KEY_EVENT_MASK);

is lower level that usual listeners. With that code you send *all* the
key events to the listener, no matter which component has the focus.
If the dialog is modal,
then this will work:

public void eventDispatched(AWTEvent event) {
               KeyEvent e = (KeyEvent) event;
               if (e.getID() != KeyEvent.KEY_PRESSED)
                    return;
               if (e.getKeyCode() == KeyEvent.VK_ESCAPE) {
                                 //close window
                                 e.consume();
               }
          }


getToolkit().getAWTEventListener works. Thank you.

I tried to simplify my code to get the inputmap and actionmap to work,
but just couldn't. I also double checked to make sure the problem was
that the esc key wasn't consumed (eg I modified the next dialog to not
respond to the esc key, and then it appeared and stayed instead of
appearing and instantly disappearing).

I wonder how the input and action maps are implemented. Perhaps they are
built on toolkit?

Anyway, case closed. I have a solution. Thanks everyone.

John

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