Detect when a field changes

Ralph DiMola rdimola at evergreeninfo.net
Mon Nov 18 13:19:13 EST 2013


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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