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-rw-r--r--library/msgbox.tcl15
1 files changed, 13 insertions, 2 deletions
diff --git a/library/msgbox.tcl b/library/msgbox.tcl
index 09928ee..f3df745 100644
--- a/library/msgbox.tcl
+++ b/library/msgbox.tcl
@@ -3,7 +3,7 @@
# Implements messageboxes for platforms that do not have native
# messagebox support.
#
-# RCS: @(#) $Id: msgbox.tcl,v 1.8 1999/12/03 07:15:02 hobbs Exp $
+# RCS: @(#) $Id: msgbox.tcl,v 1.9 2000/04/18 02:18:33 ericm Exp $
#
# Copyright (c) 1994-1997 Sun Microsystems, Inc.
#
@@ -244,7 +244,18 @@ proc tkMessageBox {args} {
wm title $w $data(-title)
wm iconname $w Dialog
wm protocol $w WM_DELETE_WINDOW { }
- wm transient $w $data(-parent)
+
+ # Message boxes should be transient with respect to their parent so that
+ # they always stay on top of the parent window. But some window managers
+ # will simply create the child window as withdrawn if the parent is not
+ # viewable (because it is withdrawn or iconified). This is not good for
+ # "grab"bed windows. So only make the message box transient if the parent
+ # is viewable.
+ #
+ if { [winfo viewable [winfo toplevel $data(-parent)]] } {
+ wm transient $w $data(-parent)
+ }
+
if {[string equal $tcl_platform(platform) "macintosh"]} {
unsupported1 style $w dBoxProc
}