factor/library/cocoa/application-utils.factor

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! Copyright (C) 2006 Slava Pestov
! See http://factorcode.org/license.txt for BSD license.
IN: cocoa
USING: alien errors gadgets io kernel namespaces objc
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objc-NSApplication objc-NSAutoreleasePool objc-NSException
objc-NSNotificationCenter objc-NSObject objc-NSView threads ;
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: with-autorelease-pool ( quot -- )
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NSAutoreleasePool [new] slip [release] ; inline
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: with-cocoa ( quot -- )
[
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NSApplication [sharedApplication] drop call
] with-autorelease-pool ;
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: <NSString> <CFString> [autorelease] ;
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: CFRunLoopDefaultMode "kCFRunLoopDefaultMode" <NSString> ;
: next-event ( app -- event )
0 f CFRunLoopDefaultMode 1
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[nextEventMatchingMask:untilDate:inMode:dequeue:] ;
: do-events ( app -- )
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dup next-event
[ dupd [sendEvent:] do-events ] [ drop ] if* ;
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: event-loop ( -- )
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[
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NSApplication [sharedApplication] do-events world-step
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] with-autorelease-pool 10 sleep event-loop ;
: add-observer ( observer selector name object -- )
>r >r >r >r NSNotificationCenter [defaultCenter] r> r>
sel_registerName r> r> [addObserver:selector:name:object:] ;
IN: errors
: objc-error. ( alien -- )
"Objective C exception:" print [reason] CF>string print ;