Date: Thu, 16 Mar 1995 11:44:31 -0700 From: Gary Aitken <garya@boulder.openware.com> To: perry@pure.com, oi-users@freefall.cdrom.com Subject: Re: Getting the selection in an OI_abbr_menu Message-ID: <199503161844.LAA29316@garya.boulder.openware.com>
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> I'm having a bit of trouble finding out which is the selected cell in an
> OI_abbr_menu. None of the members which relate to the currently selected
> cell will admit to anything being selected.
>
> For example, the following code fragment always prints "num_selected -1"
> although the menu obviously has a currently selected item:
>
> else if ( obj->is_derived_from( "OI_abbr_menu" ) )
> {
> printf("\nSetOptionsFromFields: num_selected %d\n",
> ((OI_menu *)obj)->num_selected() );
> }
>
> I've also tried iterating through the menu cells. I can print their names
> but none of them will admit to being selected.
>
> I know that I could use a callback to record the changing selection and
> assume that the last change was the one I wanted but I'm trying to keep
> this simple and just use the vanilla OI objects.
>
> What's the trick?
The OI_abbr_menu probably has an underlying menu type of OI_button_menu.
OI_button_menu objects have cells which are selected only during the
period while they are actually firing. The abbr_menu shows the current
default cell, but the cell is not selected; it is simply the only one
visible. Try asking for the default cell and see what you get. Or
change the underlying menu type to some form of OI_excl_*_menu.
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