Detect when a field changes

Scott Rossi scott at tactilemedia.com
Mon Nov 18 14:46:34 EST 2013


In my case, I have custom field controls whose text can be set by script,
and there is currently no way to detect this.  The textChanged message (or
something like it) would be perfect for this. This is why I posted the
enhancement request.

Regards,

Scott Rossi
Creative Director
Tactile Media, UX/UI Design




On 11/18/13 10:19 AM, "Ralph DiMola" <rdimola at evergreeninfo.net> wrote:

>What I understood in this thread==> When field content changes via script
>the "textChanged" message is NOT sent. The "textChanged" message is only
>sent when the user types in a field or the "type" statement is used. This
>behavior was intended and consistent with the docs.
>I was pointing out the this is not the case with mobile native text field
>input. Mobile native text field changed via script WILL send a message(in
>this case the " inputTextChanged" message).
>
>Ralph DiMola
>IT Director
>Evergreen Information Services
>rdimola at evergreeninfo.net
>
>
>-----Original Message-----
>From: use-livecode [mailto:use-livecode-bounces at lists.runrev.com] On
>Behalf
>Of Thomas McGrath III
>Sent: Monday, November 18, 2013 12:59 PM
>To: How to use LiveCode
>Subject: Re: Detect when a field changes
>
>I'm lost on this thread??
>
>Tom
>
>
>-- Tom McGrath III
>http://lazyriver.on-rev.com
>mcgrath3 at mac.com
>
>On Nov 18, 2013, at 11:45 AM, Ralph DiMola <rdimola at evergreeninfo.net>
>wrote:
>
>> Ah... but in mobile when one changes the content of a native text
>> field via a mobileControlSet the inputTextChanged handler message is
>> sent. Is this inconsistent?
>> 
>> Ralph DiMola
>> IT Director
>> Evergreen Information Services
>> rdimola at evergreeninfo.net
>> 
>> 
>> -----Original Message-----
>> From: use-livecode [mailto:use-livecode-bounces at lists.runrev.com] On
>> Behalf Of dunbarx at aol.com
>> Sent: Sunday, November 17, 2013 11:31 PM
>> To: use-livecode at lists.runrev.com
>> Subject: Re: Detect when a field changes
>> 
>> Robert.
>> 
>> 
>> You make a point. And it must be accepted that the message is only
>> sent when a human being interacts. At least it is consistent.
>> 
>> 
>> Maybe it is the name of the message itself that makes me think it has
>> a quirk, as opposed to a specifically defined functional spec.
>> 
>> 
>> Craig Newman
>> 
>> 
>> 
>> -----Original Message-----
>> From: Robert Brenstein <rjb at robelko.com>
>> To: How to use LiveCode <use-livecode at lists.runrev.com>
>> Sent: Sun, Nov 17, 2013 8:51 pm
>> Subject: Re: Detect when a field changes
>> 
>> 
>> On 16.11.2013 at 23:35 Uhr -0500 dunbarx at aol.com apparently wrote:
>>> Bill.
>>> 
>>> I am with you, and any honest LiveCoder ought to be as well. The
>>> "textChanged" message should stand on its own feet, if it has any,
>>> and do what it advertises.
>>> 
>> 
>> But then, if "textChanged" fires on any change, including scripted
>> changes, we need to go through extra hoops to distinguish between
>> user-input and script-based changes. The message as it is now means
>> Text-Changed-by-User and allow us, for example, verify user input (and
>> what if the verification routine programmatically corrects user
>> input?). I am not sure that that would really be so useful in the big
>scheme of things.
>> 
>> RObert
>> 
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