Re: Pop-up NSMenu without NSPopUpButton

FROM : Peter Ammon
DATE : Mon Feb 11 23:47:22 2008

On Feb 11, 2008, at 2:35 PM, Nick Zitzmann wrote:

> How do I make an NSMenu act as a pop-up menu without the use of 
> NSPopUpButton? I see there are class methods to make it pop up as a 
> contextual menu, but I need it to pop up as a pop-up menu like 
> NSPopUpButton magically does, so that one item in the menu can be 
> pre-selected.
>
> I've searched the archives, and have already tried calling 
> _NSGetCarbonMenu() for use with PopUpMenuSelect(), but the function 
> is always returning NULL, and even if this did work and didn't use 
> undocumented methods, it still won't work in 64-bit.


To show a menu as if it were a popup menu, create an 
NSPopUpButtonCell, call setMenu: on it, and then call [popupCell 
performClickWithFrame: inView:].

The NSPopUpButtonCell can be entirely transient - you can create it 
and destroy it in your mouseDown: method, for example.

-Peter