cocoa - OSX : Prevent NSWindow from interacting parentwindow -


in app, launching nswindowcontroller using showwindow method, main windowcontroller.

so there base windowcontroller1 on button click opening windowcontroller2 using showwindow method.

now wants prevent user-interaction windowcontroller1 until windowcontroller2 open , wants keep on focus windowcontroller2 until user close clicking "close" icon?

i have search few things on stackoverflow , google did not found helpful thing idea on this?

thanks


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