diff options
Diffstat (limited to 'library')
| -rw-r--r-- | library/tk.tcl | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/library/tk.tcl b/library/tk.tcl index 165b56d..ea9e992 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 1.41 2002/06/10 00:15:42 a_kovalenko Exp $ +# RCS: @(#) $Id: tk.tcl,v 1.42 2002/07/25 20:36:55 hobbs Exp $ # # Copyright (c) 1992-1994 The Regents of the University of California. # Copyright (c) 1994-1996 Sun Microsystems, Inc. @@ -153,8 +153,12 @@ proc ::tk::SetFocusGrab {grab {focus {}}} { # proc ::tk::RestoreFocusGrab {grab focus {destroy destroy}} { set index "$grab,$focus" - foreach {oldFocus oldGrab oldStatus} $::tk::FocusGrab($index) { break } - unset ::tk::FocusGrab($index) + if {[info exists ::tk::FocusGrab($index)]} { + foreach {oldFocus oldGrab oldStatus} $::tk::FocusGrab($index) { break } + unset ::tk::FocusGrab($index) + } else { + set oldGrab "" + } catch {focus $oldFocus} grab release $grab |