factor/library/cocoa/application-utils.factor

! Copyright (C) 2006 Slava Pestov
! See http://factorcode.org/license.txt for BSD license.
IN: cocoa
USING: alien errors kernel namespaces objc-NSApplication
objc-NSAutoreleasePool objc-NSObject threads ;

: with-autorelease-pool ( quot -- )
    NSAutoreleasePool [new] slip [release] ; inline

: <NSString> <CFString> [autorelease] ;

: CFRunLoopDefaultMode "kCFRunLoopDefaultMode" <NSString> ;

: next-event ( app -- event )
    0 f CFRunLoopDefaultMode 1
    [nextEventMatchingMask:untilDate:inMode:dequeue:] ;

: do-events ( app -- )
    dup next-event [ dupd [sendEvent:] do-events ] [ drop ] if* ;

: (event-loop) ( -- )
    [
        NSApplication [sharedApplication] do-events
    ] with-autorelease-pool 10 sleep (event-loop) ;

: event-loop ( -- )
    \ NSApplication get expired? [
        NSApplication [sharedApplication]
        \ NSApplication set-global
        [ (event-loop) ] in-thread
    ] when ;