Default project Xcode 7 with OS X Cocoa app, with Storyboards but without Core
Data nor Documents. Somewhere I messed up and State Restoration stopped working
correctly. It somehow thinks when quit happens and any open windows get
automatically closed that those windows were user-closed instead and therefore
not restored. I was having problems before with windows hanging around in the
wrong position, so I must have fried a setting somewhere or made some other bad
assumption.
//===
private func createWindow(sender: AnyObject?) -> Bool {
guard let controller =
self.mainStoryboard.instantiateControllerWithIdentifier(Names.mainWindowControllerID)
as? NSWindowController, window = controller.window else {
return false
}
let notificationCenter = NSNotificationCenter.defaultCenter()
let observer =
notificationCenter.addObserverForName(NSWindowWillCloseNotification, object:
window, queue: NSOperationQueue.mainQueue()) { [unowned self] note in
guard let window = note.object as? NSWindow, controller =
window.windowController else {
return
}
self.windowControllers.remove(controller)
if let observer = self.observers.removeValueForKey(controller) {
notificationCenter.removeObserver(observer)
}
}
self.observers[controller] = observer
self.windowControllers.insert(controller)
controller.showWindow(sender)
return true
}
//===
The “applicationOpenUntitledFile:” and “newDocument:” methods call this method.
The “windowControllers” property is a Set<NSWindowController> and “observers”
is a [NSWindowController: AnyObject]. The set retains the window controllers
(the system will release them and close their windows otherwise) and the
dictionary lets me release the observers later. Am I messing something up in
that code so the window is aborted (instead of fully closing) to death and
messing up the restore state?
I have modified the window-controller and/or window parts of the main
storyboard, but I don’t see where anything could have gone wrong there.
—
Daryle Walker
Mac, Internet, and Video Game Junkie
darylew AT mac DOT com
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