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Re: Prevent space characters in a NSTextField

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Re: Prevent space characters in a NSTextField

Subject: Re: Prevent space characters in a NSTextField
From: Yann Bizeul <email@hidden>
Date: Mon, 22 Nov 2004 22:00:24 +0100

but I would like to totally ignore all the characters different than numbers and "." and ",". This way, if the user hit a space or a "x", the field doesn't get modified at all.

Looks like you want to write your own formatter :-) Apple provide some two formatters for your convenience, but you can create your own, and use methods like - (BOOL)isPartialStringValid:(NSString **)partialStringPtr proposedSelectedRange:(NSRangePointer)proposedSelRangePtr originalString:(NSString *)origString originalSelectedRange:(NSRange)origSelRange errorDescription:(NSString **)error are interesting for what you want to do.

See NSFormatter doc for more informations. file:///Developer/ADC Reference Library/documentation/Cocoa/ Reference/Foundation/ObjC_classic/Classes/NSFormatter.html

--
Yann Bizeul - yann at tynsoe.org
Cocoa Developer, visit my projects at :
http://projects.tynsoe.org/

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References:  
  >Prevent space characters in a NSTextField (From: Lorenzo <email@hidden>)




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