Re: Issuing NSTextField action message
Re: Issuing NSTextField action message
- Subject: Re: Issuing NSTextField action message
- From: Carl Hoefs <email@hidden>
- Date: Wed, 20 Aug 2014 11:53:39 -0700
On Aug 20, 2014, at 11:18 AM, Kyle Sluder <email@hidden> wrote:
> On Wed, Aug 20, 2014, at 01:13 PM, Carl Hoefs wrote:
>> I’m working on a financial system that accepts three variable user inputs
>> to a formula. When the user types into any of the three textfields, it
>> must update the other fields as the user types, without an Enter or
>> Return. Think of it like a currency exchange program or temperature
>> conversion, etc. so the user can immediately see the changes based on
>> each stroke of the input (sort of like how Spotlight takes as much as
>> you’ve typed in).
>>
>> So what I’ve managed to program so far is a KVO setup between three
>> textfields, and when the user enters a number into any one of them — and
>> presses Return — the others textfields update to reflect the new input.
>> I’m trying to do this same thing but without the need for the Return.
>
> NSTextField is not (documented to be) KVO-compliant. Don't try observing
> it.
>
> Instead, turn on the isContinuous property of your text fields (the
> "Continuous" checkbox under the State group on the Properties
> inspector). That'll send the text field's action on each key press.
For the textfield ‘state’ I do have Continuous checked, but I don’t get an action sent. Does that setting somehow override the ‘Action’ setting (Sent On End Editing)?
-Carl
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