Function libeyelink_sys::eyelink_user_menu_selection

pub unsafe extern "C" fn eyelink_user_menu_selection() -> INT16

@ingroup eyelink_mode Checks for a user-menu selection, clears response for next call.

@return \c 0 if no selection made since last call, else code of selection.

\b Example:

\code

#include 
int i;

i = eyelink_current_mode();
if(i & IN_USER_MENU)     // handle user menu selections
{
switch(eyelink_user_menu_selection()
{
case 1:     // SETUP selected
break;
case 2:     // REPEAT trial
return REPEAT_TRIAL;
case 3:	// SKIP trial
return SKIP_TRIAL;
case 4:	// Abort experiment
eyelink_abort();// this cleans up by erasing menu
return ABORT_EXPT;
default:	// no selection: continue
break;
}
}
\endcode

\sa \c eyelink_current_mode()