NAME

qbutton - queue a button

SYNOPSIS

C
qbutton(b)
Device b;

FORTRAN
subroutine qbutto(b)
integer*2 b

Pascal
procedure qbutton(b: Device);

DESCRIPTION

Qbutton adds the given button to the list of queued devices.  Whenever button b changes state (goes from TRUE to FALSE or vice versa), an entry is made in the event queue.  The entry has a type (the device number) and some data, either TRUE or FALSE. 

SEE ALSO

getbutton, qkeyboard, qvaluator, setbutton, tie, unqbutton

NOTE

This command can only be used in immediate mode. 

Version 2.3  —  July 04, 1985