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1# listbox.tcl --
2#
3# This file contains Tcl procedures used to manage Tk listboxes.
4#
5# $Header: /user6/ouster/wish/scripts/RCS/listbox.tcl,v 1.2 92/06/03 15:21:28 ouster Exp $ SPRITE (Berkeley)
6#
7# Copyright 1992 Regents of the University of California
8# Permission to use, copy, modify, and distribute this
9# software and its documentation for any purpose and without
10# fee is hereby granted, provided that this copyright
11# notice appears in all copies. The University of California
12# makes no representations about the suitability of this
13# software for any purpose. It is provided "as is" without
14# express or implied warranty.
15#
16
17# The procedure below may be invoked to change the behavior of
18# listboxes so that only a single item may be selected at once.
19# The arguments give one or more windows whose behavior should
20# be changed; if one of the arguments is "Listbox" then the default
21# behavior is changed for all listboxes.
22
23proc tk_listboxSingleSelect args {
24 foreach w $args {
25 bind $w <B1-Motion> {%W select from [%W nearest %y]}
26 bind $w <Shift-1> {%W select from [%W nearest %y]}
27 bind $w <Shift-B1-Motion> {%W select from [%W nearest %y]}
28 }
29}
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