Re: NSTextField getting input number by number
Re: NSTextField getting input number by number
- Subject: Re: NSTextField getting input number by number
- From: "Jay Rimalrick" <email@hidden>
- Date: Sat, 15 Nov 2003 18:22:33 -0500
Louis and all
This is a great feature that I was not aware of. However, I have one more
question. If I would want to do calculations on the text entered as it is
entered where would i do that?
Thanks,
jay
>
Hello...
>
>
Another approach would be to subclass NSNumberFormatter, and override
the
>
>
- (BOOL)isPartialStringValid:(NSString *)partialString
>
newEditingString:(NSString **)newString errorDescription:(NSString
>
**)error;
>
>
method. That formatter method should be called for every character
>
entered into the textfield, and you can do whatever verification or
>
notification you want.
>
>
Once you've made your subclass of the formatter, just read the header
>
file into IB and you will be able to select it in the "custom class"
>
pane of the Interface Builder inspector for the formatter, so that
>
the formatter will be an instance of your subclass instead of the
>
standard NSNumberFormatter.
>
>
Louis
>
>
>
>i am using controlTextdidChange but it does not work when I have the
>
>textfield formatted to handle money or float values larger than 0 ... for
some
>
>reason It will not pick up the decimal
>
>
>
>if i type in 1.2 it only recognized 12
>
>
>
>any idea?
>
>
>
>
>
>>- (void)controlTextDidChange:(NSNotification *)aNotification
>
>>
>
>>At 5:51 PM -0500 11/14/03, Jay Rimalrick wrote:
>
>>>I want to capture a number being typed into an NSTextField number by
>
>>>number including float values. Thus entering 1.2 would work like this
>
>>>
>
>>>type 1 -> (calculations are done for the value 1)
>
>>>type . -> (calculations are done for the value 1.)
>
>>>type 2 -> (calculations are done for the value 1.2)
>
>>>
>
>>>What delegate method should I use for this? I am also trying to use an
>
>>>Interface Builder formatter on the NSTextField to keep the values
positive.
>
>>>
>
>>>Thanks in advance,
>
>>>jay
>
_______________________________________________
>
cocoa-dev mailing list | email@hidden
>
Help/Unsubscribe/Archives: http://www.lists.apple.com/mailman/listinfo/
cocoa-dev
>
Do not post admin requests to the list. They will be ignored.
>
________________________________________________________________
Sent via the WebMail system at 1st.net
_______________________________________________
cocoa-dev mailing list | email@hidden
Help/Unsubscribe/Archives:
http://www.lists.apple.com/mailman/listinfo/cocoa-dev
Do not post admin requests to the list. They will be ignored.