Not exactly.
Can NSFormatter monitor user's key input?
I don't find any docs about monitoring user input in NSFormatter.
I supposed that what the NSFormatter does is after you finish editing, it
would change the content.
This is not the way I want. I want a real time feedback, that is, even user
press a number key, the textfield will not show the number at all (without
leaving the focus of the textfield).
Pei-Yuan
I have a window which contains several NSTextField. In these
NSTextField, I want that when a user presses a key which is not a number
( 0-9), the active NSTextField will not accept the key input (that is,
it does nothing).
This looks like a job for NSFormatter ...
--
I.S.
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