我有一个 NSDocument 子类,每当我使用 [self close] 以避免新文档的默认“保存”对话框时,它就会崩溃:
2013-02-25 15:23:06.338 MyApp[692:403] An uncaught exception was raised
2013-02-25 15:23:06.338 MyApp[692:403] NSWindow: -_newFirstResponderAfterResigining is not a valid message outside of a responder's implementation of -resignFirstResponder.
2013-02-25 15:23:06.356 MyApp[692:403] (
0 CoreFoundation 0x00007fff8b2cdf56 __exceptionPreprocess + 198
1 libobjc.A.dylib 0x00007fff88c00d5e objc_exception_throw + 43
2 CoreFoundation 0x00007fff8b2cdd8a +[NSException raise:format:arguments:] + 106
3 CoreFoundation 0x00007fff8b2cdd14 +[NSException raise:format:] + 116
4 AppKit 0x00007fff858e0c34 -[NSWindow _newFirstResponderAfterResigning] + 164
5 AppKit 0x00007fff85882c8a -[NSTextView(NSSharing) resignFirstResponder] + 54
6 AppKit 0x00007fff8536dd79 -[NSWindow makeFirstResponder:] + 429
7 AppKit 0x00007fff85488dfb -[NSWindow dealloc] + 802
8 AppKit 0x00007fff8528b955 -[NSWindow release] + 535
9 AppKit 0x00007fff858b541c __destroy_helper_block_4 + 26
10 libsystem_blocks.dylib 0x00007fff8702b174 _Block_release + 181
11 libdispatch.dylib 0x00007fff84ab28f2 _dispatch_main_queue_callback_4CF + 308
12 CoreFoundation 0x00007fff8b262e7c __CFRunLoopRun + 1724
13 CoreFoundation 0x00007fff8b262486 CFRunLoopRunSpecific + 230
14 HIToolbox 0x00007fff8d64e2bf RunCurrentEventLoopInMode + 277
15 HIToolbox 0x00007fff8d65556d ReceiveNextEventCommon + 355
16 HIToolbox 0x00007fff8d6553fa BlockUntilNextEventMatchingListInMode + 62
17 AppKit 0x00007fff85252779 _DPSNextEvent + 659
18 AppKit 0x00007fff8525207d -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 135
19 AppKit 0x00007fff8524e9b9 -[NSApplication run] + 470
20 AppKit 0x00007fff854caeac NSApplicationMain + 867
21 MyApp 0x00000001059098d2 main + 34
22 MyApp 0x00000001059098a4 start + 52
23 ??? 0x0000000000000003 0x0 + 3
)
以前有人见过这个吗?或者有人能建议一种更好/正确的方法来关闭 NSDocument 而不显示保存对话框吗?
最佳答案
因此,从您的后续评论来看,您想要做的是在特定情况下取消标准的关闭确认表。一些方法可以做到这一点:
- 采用就地自动保存,这摆脱了手动保存文档的古老模式
- 覆盖
-[NSDocument canCloseDocumentWithDelegate:shouldCloseSelector:contextInfo:]
,以便它告诉委托(delegate)“是的,您可以关闭”,而不是呈现一个工作表 - 发布帖子后,调用
[document updateChangeCount: NSChangeCleared]
通知文档您认为已保存该文档
关于macos - 以编程方式关闭 NSDocument 的正确方法,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/15076651/