No. -[NSDocument close] is non-cancellable and non-reversible. On Sep 21, 2012, at 9:55 AM, Markus Spoettl <ms_li...@shiftoption.com> wrote:
> OK, so one further question: Is there any chance that if -close is called the > document won't actually be closed and stays open? > > Regards > Markus > > On 9/21/12 6:49 PM, Kevin Perry wrote: >> Oh dear. Forget you heard me mention anything about unpublished API. The >> lack of an "_" threw me off... >> >> Yes, you'll probably want to keep your own flag. >> >> -KP >> >> On Sep 20, 2012, at 11:41 PM, Markus Spoettl <ms_li...@shiftoption.com> >> wrote: >> >>> Just to clarify: -isClosed is not something that is available on NSDocument >>> or NSWindowController, did you mean to say that I'll have to keep a flag >>> myself? >>> >>> Regards >>> Markus >>> >>> On 9/20/12 6:53 PM, Kevin Perry wrote: >>>> This is an known and unfortunate result of the current architecture of >>>> NSWindow, NSWindowController, and NSDocument. >>>> >>>> There isn't any documentation I'm aware of that explicitly states that >>>> -close can be invoked re-entrantly, but it can be deduced from the >>>> existing documentation: >>>> >>>> On -[NSDocument close]: >>>> >>>> "The default implementation of this method … sends each of the >>>> document's window controllers a -close message" >>>> >>>> On -[NSWindowController close]: >>>> >>>> "If the controller belongs to a document and it is either the last >>>> controller for the document or -shouldCloseDocument is YES, then this will >>>> also -close the document." >>>> >>>> >>>> The best way around this at the moment is to first verify [self isClosed] >>>> == NO before calling super and doing your own work. >>>> >>>> >>>> [kevin perry]; >>>> >>>> On Sep 19, 2012, at 1:06 PM, Markus Spoettl <ms_li...@shiftoption.com> >>>> wrote: >>>> >>>>> Why does AppKit call into NSDocument's -close multiple times by indirect >>>>> recursion? Can this be on purpose? >>>>> >>>>> It happens when I have this: >>>>> >>>>> 1) A document with unsaved with changes >>>>> 2) Terminate the app via CMD-Q >>>>> 3) Answer "Don't Save" in the save-changes-sheet >>>>> >>>>> This doesn't smell right. I override -close and call super right away, >>>>> doing some cleanup work afterwards. Under some bizarre situations which I >>>>> have not been able to recreate it gets called up to 4 times. >>>>> >>>>> I'm pasting the call stack (line 366 is the call to super, line 375 is my >>>>> breakpoint). >>>>> >>>>> Regards >>>>> Markus >>>>> >>>>> #0 0x00000001000034d8 in -[MyDocument close] at >>>>> /Users/markus/Projects/MyApp/src/MyDocument.m:375 >>>>> #1 0x00007fff8bed7d25 in -[NSWindowController _windowDidClose] () >>>>> #2 0x00007fff8a30ddf0 in -[QLSeamlessDocumentCloser >>>>> closeWindow:contentFrame:withBlock:] () >>>>> #3 0x00007fff8baa8602 in -[NSWindow _close] () >>>>> #4 0x00007fff8bbe1c74 in -[NSDocument close] () >>>>> #5 0x00000001000033c9 in -[MyDocument close] at >>>>> /Users/markus/Projects/MyApp/src/MyDocument.m:366 >>>>> #6 0x00007fff8bbf342e in __-[NSDocumentController >>>>> closeAllDocumentsWithDelegate:didCloseAllSelector:contextInfo:]_block_invoke_3 >>>>> () >>>>> #7 0x00007fff8bbf54c5 in -[NSDocumentController >>>>> _something:didSomething:soContinue:] () >>>>> #8 0x00007fff8bbd62a8 in __-[NSDocument >>>>> canCloseDocumentWithDelegate:shouldCloseSelector:contextInfo:]_block_invoke_2 >>>>> () >>>>> #9 0x00007fff8bbd5ec1 in __-[NSDocument >>>>> canCloseDocumentWithDelegate:shouldCloseSelector:contextInfo:]_block_invoke_11 >>>>> () >>>>> #10 0x00007fff8bbe8e08 in -[NSDocument >>>>> _something:wasPresentedWithResult:soContinue:] () >>>>> #11 0x00007fff8bad8a4d in -[NSAlert >>>>> didEndAlert:returnCode:contextInfo:] () >>>>> #12 0x00007fff8bae53df in -[NSApplication endSheet:returnCode:] () >>>>> #13 0x00007fff8bad8913 in -[NSAlert buttonPressed:] () >>>>> #14 0x00007fff8053770d in -[NSObject performSelector:withObject:] () >>>>> #15 0x00007fff8b934f7e in -[NSApplication sendAction:to:from:] () >>>>> #16 0x00007fff8b934eb2 in -[NSControl sendAction:to:] () >>>>> #17 0x00007fff8b934ddd in -[NSCell _sendActionFrom:] () >>>>> #18 0x00007fff8b9342a0 in -[NSCell >>>>> trackMouse:inRect:ofView:untilMouseUp:] () >>>>> #19 0x00007fff8b9b3fc4 in -[NSButtonCell >>>>> trackMouse:inRect:ofView:untilMouseUp:] () >>>>> #20 0x00007fff8b932eaa in -[NSControl mouseDown:] () >>>>> #21 0x00007fff8b8fe348 in -[NSWindow sendEvent:] () >>>>> #22 0x00007fff8b897a55 in -[NSApplication sendEvent:] () >>>>> #23 0x00007fff8bae427e in -[NSApplication _shouldTerminate] () >>>>> #24 0x00007fff8b838115 in -[NSApplication terminate:] () >>>>> #25 0x000000010001a4a3 in -[AppDelegate terminate:] at >>>>> /Users/markus/Projects/rubiTrack/src/AppDelegate.m:219 >>>>> #26 0x00007fff8053770d in -[NSObject performSelector:withObject:] () >>>>> #27 0x00007fff8b934f7e in -[NSApplication sendAction:to:from:] () >>>>> #28 0x00007fff8ba21bfb in -[NSMenuItem _corePerformAction] () >>>>> #29 0x00007fff8ba21932 in -[NSCarbonMenuImpl >>>>> performActionWithHighlightingForItemAtIndex:] () >>>>> #30 0x00007fff8b99f524 in -[NSMenu performKeyEquivalent:] () >>>>> #31 0x00007fff8b99e175 in -[NSApplication _handleKeyEquivalent:] () >>>>> #32 0x00007fff8b897536 in -[NSApplication sendEvent:] () >>>>> #33 0x00007fff8b82e0c6 in -[NSApplication run] () >>>>> #34 0x00007fff8baaa244 in NSApplicationMain () >>>>> #35 0x000000010000b552 in main at >>>>> /Users/markus/Projects/MyApp/src/main.m:22 >>>>> #36 0x00000001000021c4 in start () >>>>> >>>>> -- >>>>> __________________________________________ >>>>> Markus Spoettl >>>>> _______________________________________________ >>>>> >>>>> Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) >>>>> >>>>> Please do not post admin requests or moderator comments to the list. >>>>> Contact the moderators at cocoa-dev-admins(at)lists.apple.com >>>>> >>>>> Help/Unsubscribe/Update your Subscription: >>>>> https://lists.apple.com/mailman/options/cocoa-dev/kperry%40apple.com >>>>> >>>>> This email sent to kpe...@apple.com >>>> >>>> >>> >>> >>> -- >>> __________________________________________ >>> Markus Spoettl >> >> > > > -- > __________________________________________ > Markus Spoettl _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. 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