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• Cocoa Bindings and Application Preferences - Crash

  - by iaefai

  Using the document provided by Apple to create an application preferences window that doesn't require any extra code, I seem to have triggered a crash that cannot be traced by me. While the stuff from Apple is older, I believe I have the settings pretty much the same as shown here: When I run my application (Hcode) and go to the preferences menu item, it brings up the proper window with the defaults I specified in the bindings with the exception of the Spaces per tab is blank (no idea how to fix this). When the window is closed, the application crashes with a backtrace similar to this: (gdb) bt #0 0x00007fff800cb1d4 in objc_msgSend_vtable5 () #1 0x00007fff80447cf3 in -[NSMenu _enableItem:] () #2 0x00007fff80447ad8 in -[NSCarbonMenuImpl _carbonUpdateStatusEvent:handlerCallRef:] () #3 0x00007fff8042b3b0 in NSSLMMenuEventHandler () #4 0x00007fff80e06b57 in DispatchEventToHandlers () #5 0x00007fff80e060a6 in SendEventToEventTargetInternal () #6 0x00007fff80e23d85 in SendEventToEventTarget () #7 0x00007fff80e52e61 in SendHICommandEvent () #8 0x00007fff80e66357 in UpdateHICommandStatusWithCachedEvent () #9 0x00007fff80e02a6d in HIApplication::EventHandler () #10 0x00007fff80e06b57 in DispatchEventToHandlers () #11 0x00007fff80e060a6 in SendEventToEventTargetInternal () #12 0x00007fff80e23d85 in SendEventToEventTarget () #13 0x00007fff80e6599b in SendMenuOpening () #14 0x00007fff80e65388 in DrawTheMenu () #15 0x00007fff80e65149 in MenuChanged () #16 0x00007fff80e643d4 in TrackMenuCommon () #17 0x00007fff80e60dbe in MenuSelectCore () #18 0x00007fff80e60596 in _HandleMenuSelection2 () #19 0x00007fff802fc3b9 in _NSHandleCarbonMenuEvent () #20 0x00007fff802cfeda in _DPSNextEvent () #21 0x00007fff802cf379 in -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] () #22 0x00007fff8029505b in -[NSApplication run] () #23 0x00007fff8028dd7c in NSApplicationMain () #24 0x0000000100001cac in main (argc=1, argv=0x7fff5fbff5e0) at /Users/iaefai/Projects/Hcode/Source/main.m:13 I am at a complete loss as to what the problem is. Is there potentially a better way of doing this?

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• What is the usage of NSResponder's indent:?

  - by iaefai

  NSResponder has a method you override called - indent:, but unsure when it would normally be activated.

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• How do I support the touch of the navigation bar label?

  - by iaefai

  I have an editor that I am making, and I need a way of editing the document's title. I was considering touching the title of the navigation item and have a custom view appear. I did this in an initial version of the application with a button bar item (and target/action), but I cannot seem to find a way to do it with the managed navigation bar. The alternative I was considering was putting another bar at the bottom with an item to do just that, but it doesn't seem like the best design if I don't need to do it, as it takes away from viewing space. Example image: i.imgur.com/NXAQs.png

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• How to tile the contents of a CALayer?

  - by iaefai

  I would like to tile a CGImage across a CALayer, but it seems to only want to stretch it. The example code: self.background = [UIImage imageNamed: @"Background.png"]; [documentDisplay.layer setContents: self.background.CGImage]; I would like to avoid subclassing if I could.

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• How would one make an Xcode style console window?

  - by iaefai

  I am making a Haskell editor with Cocoa, and it would be useful to support some in-application text output. Even better would be supporting some text input. Xcode does all this in its console, which looks like it might be an NSTextView, but not sure if somebody might have done all this before.

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