Re: A problem with PopupButtonCell --- submenu selection not available
Re: A problem with PopupButtonCell --- submenu selection not available
- Subject: Re: A problem with PopupButtonCell --- submenu selection not available
- From: Graham Cox <email@hidden>
- Date: Mon, 5 Jul 2010 22:24:08 +1000
On 05/07/2010, at 9:32 PM, Motti Shneor wrote:
> resultIndex = [popUpButtonCell indexOfSelectedItem]; returns -1 (unknown)
> result = [popUpButtonCell selectedItem]; returns nil!
>
> How can I resolve this thing? I MUST have popup menus with sub-menus! Is there a hidden member or method that will tell me what was the last selected menu item?
The pop-up menu control doesn't really work with submenus, but if you bypass the control and just get each menu item to send an action to a target directly, you can do it that way, since the control doesn't actually care that there are submenus, it just doesn't deal with them (and for a pulldown, it doesn't matter as the button's displayed title doesn't change with the menu selection).
This can also work well if the menu has a delegate that populates the menu items, since there's a way to set each menu item's target/action as necessary without too much bother (doing that for a complex menu in IB is very tedious).
Another option is to forget using NSPopUpButtonCell and just write your own view that implements the button part, and show the menu using + [NSMenu (void)popUpContextMenu:(NSMenu *)menu withEvent:(NSEvent *)event forView:(NSView *)view];
--Graham
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