diff options
| author | hobbs <hobbs> | 2002-07-25 20:36:54 (GMT) |
|---|---|---|
| committer | hobbs <hobbs> | 2002-07-25 20:36:54 (GMT) |
| commit | 68487c77f3f2d8c274848d826056e66bac02cbf5 (patch) | |
| tree | 08991eb7ba636d904963253fe953193f8c35da98 /library/tk.tcl | |
| parent | dc64cccd6cec898c113d106fd30d7af22180e2d0 (diff) | |
| download | tk-68487c77f3f2d8c274848d826056e66bac02cbf5.zip tk-68487c77f3f2d8c274848d826056e66bac02cbf5.tar.gz tk-68487c77f3f2d8c274848d826056e66bac02cbf5.tar.bz2 | |
* library/tk.tcl (RestoreFocusGrab): handle the case where the
FocusGrab info is not set. [Bug #553283]
Diffstat (limited to 'library/tk.tcl')
| -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 |