One Quickie

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Using an NSWIndowController to load a window (NSWindow->General)

Here's how I like doing things. First make a subclass of NSWindowController:

@interface BWInspector : NSWindowController
{
    // ivars, IBOutlets, etc
}

// IBActions, etc

+ (BWInspector *) sharedInspector;
@end // BWInspector

Then make a nib file with the window, the controls, and other fun stuff you want. This one lives in English.lproj/BWInspector.nib

Then in that class method load the window:

+ (BWInspector *) sharedInspector
{
    static BWInspector *g_inspector;

    if (g_inspector == nil) {
        g_inspector = [[BWInspector alloc]
                          initWithWindowNibName: @"BWInspector"];

        assert (g_inspector != nil); // or other error handling

        [g_inspector showWindow: self];
    }

    return (g_inspector);

} // sharedInspector

That will load the nib file, set up the connections and then open the window for display