summaryrefslogtreecommitdiffstats
path: root/library/dialog.tcl
diff options
context:
space:
mode:
Diffstat (limited to 'library/dialog.tcl')
-rw-r--r--library/dialog.tcl14
1 files changed, 13 insertions, 1 deletions
diff --git a/library/dialog.tcl b/library/dialog.tcl
index 148a3e8..499526e 100644
--- a/library/dialog.tcl
+++ b/library/dialog.tcl
@@ -3,7 +3,7 @@
# This file defines the procedure tk_dialog, which creates a dialog
# box containing a bitmap, a message, and one or more buttons.
#
-# RCS: @(#) $Id: dialog.tcl,v 1.6 1999/10/01 22:45:19 hobbs Exp $
+# RCS: @(#) $Id: dialog.tcl,v 1.7 2000/01/12 11:45:14 hobbs Exp $
#
# Copyright (c) 1992-1993 The Regents of the University of California.
# Copyright (c) 1994-1997 Sun Microsystems, Inc.
@@ -32,6 +32,18 @@
proc tk_dialog {w title text bitmap default args} {
global tkPriv tcl_platform
+ # Check that $default was properly given
+ if {[string is int $default]} {
+ if {$default >= [llength $args]} {
+ return -code error "default button index greater than number of\
+ buttons specified for tk_dialog"
+ }
+ } elseif {[string equal {} $default]} {
+ set default -1
+ } else {
+ set default [lsearch -exact $args $default]
+ }
+
# 1. Create the top-level window and divide it into top
# and bottom parts.