ARC is on. Retain the window controller.
On Tue, May 7, 2013 at 4:52 PM, Thomas Wetmore <t...@verizon.net> wrote:
> I hope someone can put me straight. I created a vanilla Cocoa App. I deleted
> the window from the MainMenu.xib and created a MainWindow.xib with
> essentially an identical window (no views).
>
> I created a MainWindowController with one overriding method, init, see below.
> In the app delegate's applicationDidFinishLaunching method I create the main
> window controller and attempt to show the main window. If I breakpoint just
> after the [mainController showWindow: nil] method I can see the proper user
> interface with the main menu and main window. However, when I let the program
> run the window immediately disappears. As none of my code runs after that
> point I'm at a bit of a loss discovering what makes the window go away.
>
> What am I doing (or not doing) that causes the main window to close or become
> invisible? The code is below.
>
> Thanks,
>
> Tom Wetmore
>
> AppDelegate.h:
> --------------
> @interface AppDelegate : NSObject <NSApplicationDelegate>
> @end
>
> AppDelegate.m:
> --------------
> #import "AppDelegate.h"
> #import "MainWindowController.h"
>
> @implementation AppDelegate
>
> - (void) applicationDidFinishLaunching: (NSNotification*) aNotification {
> MainWindowController* mainController = [[MainWindowController alloc]
> init];
> [mainController window]; // force controller to load nib.
> [mainController showWindow: nil]; // show window -- which promptly
> disappears
> }
>
> @end
>
>
> MainWindowController.h:
> -----------------------
> @interface MainWindowController : NSWindowController
> @end
>
> MainWindowController.m:
> -----------------------
> #import "MainWindowController.h"
>
> @implementation MainWindowController
>
> - (id) init { return [super initWithWindowNibName: @"MainWindow"]; }
>
> @end
>
>
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