Constraining an input field's contents to be a single line.

Mike Bonner bonnmike at gmail.com
Wed Sep 20 23:44:06 CEST 2017


If "textchanged" triggers on paste, you can probably use that..

On Wed, Sep 20, 2017 at 3:40 PM, Alex Tweedly via use-livecode <
use-livecode at lists.runrev.com> wrote:

> Thanks for the prompt Mike.
>
> Short answer - don't know yet, though I suspect I'm going to have to find
> out.
>
> I do not currently have "mobile text field objects" - all I have are just
> standard LC fields, so returninfield is all I need for the 'return' part of
> the problem - no need for 'inputReturnKey'.
>
> However, I also want to trap any attempt to paste in text containing CRs;
> I can do that for traditional platforms with a 'pasteKey' handler - but
> that doesn't seem to apply to LC fields on mobile, and also there doesn't
> appear to be any direct equivalent for mobile text fields (though there may
> be other ways to achieve the same result on mobile text fields - I really
> haven't looked at them yet).
>
> In fact, maybe that's the question I *should* ask.
>     "Should i be  (can I reasonably get away with) using LC fields in an
> app targeted for mobiles, or do I really need to use mobile text fields ?
>
> Thanks
> Alex.
>
> On 20/09/2017 17:01, Mike Kerner via use-livecode wrote:
>
>> did that work, alex?
>>
>> On Mon, Sep 18, 2017 at 4:41 PM, Mike Kerner <MikeKerner at roadrunner.com>
>> wrote:
>>
>> If you have a mobile text field object, then have you looked at
>>> inputReturnKey?
>>>
>>>
>>> On Mon, Sep 18, 2017 at 4:17 PM, Alex Tweedly via use-livecode <
>>> use-livecode at lists.runrev.com> wrote:
>>>
>>> I'm sure there must be an easy way I'm missing ..... he said in hope :-)
>>>>
>>>> I want a field to contain a single line of data - i.. no CRs.
>>>>
>>>> I've done the easy bit (a handler for returninfield).
>>>>
>>>> I can even do the moderate bit -  a 'pastekey' handler, and check for
>>>> CRs
>>>> in the clipboard - but that doesn't apply to mobile (or at least, the
>>>> dict
>>>> says it doesn't).
>>>>
>>>> Is there any way to handle it on mobile ?
>>>>
>>>> Thanks
>>>> Alex.
>>>>
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>>>
>>>
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>>
>>
>
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