Re: what is a valid key-path? why can't I bind to NSURL's -path method?
Re: what is a valid key-path? why can't I bind to NSURL's -path method?
- Subject: Re: what is a valid key-path? why can't I bind to NSURL's -path method?
- From: Perrog <email@hidden>
- Date: Mon, 19 Feb 2007 02:12:06 +0100
Hi!
2007/2/19, Mike Abdullah <email@hidden>:
In what way does it bail out? Is it as soon as you try to bind it,
or when something is entered into the text field?
Note that the NSTextField is read-only, and does not change the value.
The program receives EXC_BAD_ACCESS, and the stack trace look like this:
#0 0x9296925c in -[NSURL release]
#1 0x92969290 in -[NSURL release]
#2 0x92969290 in -[NSURL release]
#3 0x92969290 in -[NSURL release]
...
#87235 0x92969290 in -[NSURL release]
#87236 0x907d32c0 in __CFDictionaryDeallocate
#87237 0x907bcf34 in _CFRelease
#87238 0x929e2c88 in -[NSObject(NSKeyValueObserverRegistration)
_addObserver:forProperty:options:context:]
#87239 0x929e23c8 in -[NSObject(NSKeyValueObserverRegistration)
addObserver:forKeyPath:options:context:]
#87240 0x9393004c in -[NSBinder _updateObservingRegistration:]
#87241 0x9392f254 in -[NSBinder establishConnection]
#87242 0x93928c44 in -[NSObject(NSKeyValueBindingCreation)
bind:toObject:withKeyPath:options:]
#87243 0x000051cc in -[CHMWindowController windowDidLoad] at
CHMWindowController.m:127
#87244 0x937fa924 in -[NSWindowController _windowDidLoad]
#87245 0x937f72f8 in -[NSWindowController window]
#87246 0x937f71e4 in -[NSWindowController showWindow:]
#87247 0x93804774 in -[NSDocument showWindows]
#87248 0x93a3e550 in -[NSDocumentController
openDocumentWithContentsOfURL:display:error:]
#87249 0x93704580 in -[NSDocumentController(NSInternal) _openFile:]
#87250 0x937040bc in -[NSApplication _doOpenFile:ok:tryTemp:]
#87251 0x939d1c60 in -[NSApplication openFile:ok:]
#87252 0x93a3f520 in -[NSDocumentController(NSPrivate) _openRecentDocument:]
#87253 0x937a7c4c in -[NSApplication sendAction:to:from:]
#87254 0x938024b8 in -[NSMenu performActionForItemAtIndex:]
#87255 0x9380223c in -[NSCarbonMenuImpl
performActionWithHighlightingForItemAtIndex:]
#87256 0x93709500 in _NSHandleCarbonMenuEvent
#87257 0x93706e64 in _DPSNextEvent
#87258 0x937067a8 in -[NSApplication
nextEventMatchingMask:untilDate:inMode:dequeue:]
#87259 0x93702cec in -[NSApplication run]
#87260 0x937f387c in NSApplicationMain
#87261 0x000035bc in main at main.m:38
Regards,
Rog
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