When has a field changed?

Keith (Gulf Breeze Ortho Lab) keith at gulfbreezeortholab.com
Tue Oct 25 19:30:35 CDT 2011


Hi All,

Was following this thread and tried the instructions (see below),  just for 
the fun of it, and it worked fine. I set a "bogus" field so that it was not 
visible, then simply set the focus to this hidden field upon mouseUp. Works 
like a charm and activates the closeField of the desired field...

Cheers,

- Boo

-----Original Message----- 
From: Bob Sneidar
Sent: Tuesday, October 25, 2011 7:08 PM
To: How to use LiveCode
Subject: Re: When has a field changed?

Actually, the workaround I was thinking of trapped mouseUp in the card or 
stack handler, then used the command focus on nothing. This will force the 
loss of focus by the field thereby forcing a closeField to be sent to the 
field that lost the focus.

This way you can use closeField in fields, and still trap for those 
mouseups. Just be sure to pass mouseUp in all of your button handlers and 
you are good to go!

Bob


On Oct 25, 2011, at 4:24 PM, James Hurley wrote:

> Thanks all for the info about the effect of closeField.
>
> I have assumed that it was called only when a field is closed.
>
> As you point out  it is also called when the field loses focus.
>
> It appears that that will happen when one clicks in another field or on 
> the card, BUT not when one immediately clicks on another button.
>
> That would be a problem in my application. The user could change the field 
> and then immediately click a button, a button that will not see the effect 
> of the chance in the field.
>
> My tortured script at least sends the "change" message as soon as the 
> mouse leave the field.
>
> Jim
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