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authorericm <ericm>2000-03-24 19:38:56 (GMT)
committerericm <ericm>2000-03-24 19:38:56 (GMT)
commitbefc686dfc0ef32494588de6019b889c6b289c50 (patch)
tree3ed859b413d3c67ba616155c4fb47aa3e6ccee60 /library/listbox.tcl
parenta6b0bdbdf067d1915d57c2158cbfa9579b88651c (diff)
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* tests/filebox.test:
* tests/choosedir.test: Updated tests. * library/xmfbox.tcl: Updated to stash data array in ::tk::dialog::file namespace instead of in global namespace. * library/tkfbox.tcl: Extended some functions to support creation of a choosedir dialog, to allow greater code reuse between the two dialogs. Moved tkFDialog* functions into a namespace (::tk::dialog::file). Because these are private Tk functions (and should thus not be used directly by users), this should not impact anybody (the tk_getOpenFile and tk_getSaveFile commands still exist at the global scope). * library/tk.tcl: * library/tclIndex: Updated function names for tkFDialog* functions and choosedir functions. * library/choosedir.tcl: New and improved implementation of tk_chooseDirectory dialog. Based on tk_getOpenFile dialog. * library/listbox.tcl: (tkListboxCancel) Added a check for empty string value for tkPriv(listboxPrev). Without this check, it's possible to get a stack trace under certain conditions. [Bug: 4373].
Diffstat (limited to 'library/listbox.tcl')
-rw-r--r--library/listbox.tcl6
1 files changed, 5 insertions, 1 deletions
diff --git a/library/listbox.tcl b/library/listbox.tcl
index cd5d6c8..41b3d7a 100644
--- a/library/listbox.tcl
+++ b/library/listbox.tcl
@@ -3,7 +3,7 @@
# This file defines the default bindings for Tk listbox widgets
# and provides procedures that help in implementing those bindings.
#
-# RCS: @(#) $Id: listbox.tcl,v 1.10 2000/02/10 08:52:50 hobbs Exp $
+# RCS: @(#) $Id: listbox.tcl,v 1.11 2000/03/24 19:38:57 ericm Exp $
#
# Copyright (c) 1994 The Regents of the University of California.
# Copyright (c) 1994-1995 Sun Microsystems, Inc.
@@ -465,6 +465,10 @@ proc tkListboxCancel w {
}
set first [$w index anchor]
set last $tkPriv(listboxPrev)
+ if { [string equal $last ""] } {
+ # Not actually doing any selection right now
+ return
+ }
if {$first > $last} {
set tmp $first
set first $last