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Text controls [message #441638]

Wed, 18 August 2004 08:20

Robert Bacs

Messages: 165
Registered: July 2009

Senior Member

Hi,

I have a row with editor controls (mostly Text widgets), every editor
control need to contain correct values before they disposed. Is there any
way to verify a text widget value just before loosing the focus and avoid
focus lost if the value is erronous ?
I tried with verify listener but this is called every time a user changes
the content of a control. With focusLost is there another problem: suppose
there is two adjacent controls and both contains erronous values, in the
first control the user hits the TAB and I'm getting a focusLost event for
the first control and realize that the value is erronous, so I need to set
the focus back to the control, but the focus is in the adjacent control and
I'm getting a focusLost event on the second control which contains an
erronous value too, this leads to a endless cycle.

What I need is a way to block the focusLost event in a way like event.doit =
false in verifyEvent.

Best regards,
Boby

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Re: Text controls [message #441640 is a reply to message #441638]

Wed, 18 August 2004 10:39

Eclipse User

Originally posted by: v.j.b

I'm not sure, but you might be able to verify your content, and then set the
'event.doit' field to 'false'. That way, the event won't take place, and it
should prevent the other widget from gaining focus.

This might not be possible with a FocusListener, but maybe a
traverseListener might do the job?

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