add-observer ( observer selector name object -- )
Cocoa bridge » Cocoa application utilities

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Vocabulary
cocoa.application

Inputs

observer	an NSObject
selector	a string
name	an NSString
object	an NSObject

Outputs
None

Word description
Registers an observer with the NSNotificationCenter singleton.

Definition

USING: alien.c-types cocoa.classes cocoa.messages cocoa.runtime
kernel ;

IN: cocoa.application

: add-observer ( observer selector name object -- )
    [
        [
            NSNotificationCenter
            { id { id SEL } } "defaultCenter" send
        ] 2dip sel_registerName
    ] 2dip
    { void { id SEL id SEL id id } }
    "addObserver:selector:name:object:" send ;