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authordkf <donal.k.fellows@manchester.ac.uk>2009-12-11 15:32:36 (GMT)
committerdkf <donal.k.fellows@manchester.ac.uk>2009-12-11 15:32:36 (GMT)
commitdf2b02bddc727ff4f4e1f442ae902977376d7ea3 (patch)
treee90f23cb34e026ac3c6de406926db0a10afb611c /library/tk.tcl
parent3db2898fc0ffd5627de6404872c670f5552b23a6 (diff)
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Simplified this code following observation by Brian Griffin
Diffstat (limited to 'library/tk.tcl')
-rw-r--r--library/tk.tcl10
1 files changed, 3 insertions, 7 deletions
diff --git a/library/tk.tcl b/library/tk.tcl
index 25a6d13..e950c24 100644
--- a/library/tk.tcl
+++ b/library/tk.tcl
@@ -3,7 +3,7 @@
# Initialization script normally executed in the interpreter for each Tk-based
# application. Arranges class bindings for widgets.
#
-# RCS: @(#) $Id: tk.tcl,v 1.87 2009/12/11 11:17:28 dkf Exp $
+# RCS: @(#) $Id: tk.tcl,v 1.88 2009/12/11 15:32:36 dkf Exp $
#
# Copyright (c) 1992-1994 The Regents of the University of California.
# Copyright (c) 1994-1996 Sun Microsystems, Inc.
@@ -246,12 +246,8 @@ if {$tcl_platform(platform) eq "unix"} {
# screen - The name of the new screen.
proc ::tk::ScreenChanged screen {
- set x [string last . $screen]
- if {$x > 0} {
- set disp [string range $screen 0 [expr {$x - 1}]]
- } else {
- set disp $screen
- }
+ # Extract the display name.
+ set disp [string range $screen 0 [string last . $screen]-1]
# Ensure that namespace separators never occur in the display name (as
# they cause problems in variable names). Double-colons exist in some VNC