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focuslistener and buttons don't mix? [message #446177]

Fri, 19 November 2004 04:07

Pierce

Messages: 42
Registered: July 2009

Member

I have a dialog that implements the focuslistener interface, and I cannot
add a focuslistener to a button in the dialog. The error I get says
"The method AddFocusListener(FocusListener) in the type Control is not
applicable for the arguments(NewPatientDialog).

The code is pretty straightforward:
public class NewPatientDialog extends Dialog implements SelectionListener,
FocusListener {

...
m_clearFields = new Button(btnComposite, SWT.PUSH);
m_saveDefaults = new Button(btnComposite, SWT.PUSH);
m_clearFields.setText(NLSStrings.getString("clearFieldsBtnLabel "));

m_saveDefaults.setText(NLSStrings.getString("saveDefaultsBtnLabel "));
m_clearFields.addSelectionListener(this);
m_clearFields.addFocusListener(this); // unhappy here
m_saveDefaults.addSelectionListener(this);
m_saveDefaults.addFocusListener(this); // unhappy here as well

...
}

Any thoughts?

--PK

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Re: focuslistener and buttons don't mix? [message #446179 is a reply to message #446177]

Fri, 19 November 2004 11:57

Christian Elsen

Messages: 33
Registered: July 2009

Member

Hi Pierce,

have you checked your imports? Could be that your're trying to e.g. add a
awt-FocusListener to an swt-button or vice versa.

Best Regards,
Christian Elsen
www.zeos-informatics.com

> I have a dialog that implements the focuslistener interface, and I cannot
> add a focuslistener to a button in the dialog. The error I get says
> "The method AddFocusListener(FocusListener) in the type Control is not
> applicable for the arguments(NewPatientDialog).

> The code is pretty straightforward:
> public class NewPatientDialog extends Dialog implements SelectionListener,
> FocusListener {

> ...
> m_clearFields = new Button(btnComposite, SWT.PUSH);
> m_saveDefaults = new Button(btnComposite, SWT.PUSH);
> m_clearFields.setText(NLSStrings.getString("clearFieldsBtnLabel "));

> m_saveDefaults.setText(NLSStrings.getString("saveDefaultsBtnLabel "));
> m_clearFields.addSelectionListener(this);
> m_clearFields.addFocusListener(this); // unhappy here
> m_saveDefaults.addSelectionListener(this);
> m_saveDefaults.addFocusListener(this); // unhappy here as well

> ...
> }

> Any thoughts?

> --PK

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Re: focuslistener and buttons don't mix? [message #446182 is a reply to message #446179]

Fri, 19 November 2004 14:26

Pierce

Messages: 42
Registered: July 2009

Member

Christian Elsen wrote:

> Hi Pierce,

> have you checked your imports? Could be that your're trying to e.g. add a
> awt-FocusListener to an swt-button or vice versa.

That was it -- I was implementing the awt focuslistener by mistake.
Thanks Christian.

--PK

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