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authorhobbs <hobbs>2004-02-04 00:25:13 (GMT)
committerhobbs <hobbs>2004-02-04 00:25:13 (GMT)
commitfce8017005bddb2d73de1dfbbd04832aee6b9f79 (patch)
tree91021c52219ef6493caa59f9d1cbfdec3183600d /library
parent71039329de42d6a7cb67e58f6d440a4aab1e24b0 (diff)
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* doc/menubutton.n:
* library/menu.tcl (::tk::MbPost): make menubuttons that post above or below reverse direction when not enough space is available.
Diffstat (limited to 'library')
-rw-r--r--library/menu.tcl13
1 files changed, 11 insertions, 2 deletions
diff --git a/library/menu.tcl b/library/menu.tcl
index c291ce3..41c51fd 100644
--- a/library/menu.tcl
+++ b/library/menu.tcl
@@ -4,7 +4,7 @@
# It also implements keyboard traversal of menus and implements a few
# other utility procedures related to menus.
#
-# RCS: @(#) $Id: menu.tcl,v 1.19 2003/06/26 17:15:48 vincentdarley Exp $
+# RCS: @(#) $Id: menu.tcl,v 1.20 2004/02/04 00:25:13 hobbs Exp $
#
# Copyright (c) 1992-1994 The Regents of the University of California.
# Copyright (c) 1994-1997 Sun Microsystems, Inc.
@@ -280,11 +280,20 @@ proc ::tk::MbPost {w {x {}} {y {}}} {
above {
set x [winfo rootx $w]
set y [expr {[winfo rooty $w] - [winfo reqheight $menu]}]
+ # if we go offscreen to the top, show as 'below'
+ if {$y < 0} {
+ set y [expr {[winfo rooty $w] + [winfo height $w]}]
+ }
PostOverPoint $menu $x $y
}
below {
set x [winfo rootx $w]
set y [expr {[winfo rooty $w] + [winfo height $w]}]
+ # if we go offscreen to the bottom, show as 'above'
+ set mh [winfo reqheight $menu]
+ if {($y + $mh) > [winfo screenheight $w]} {
+ set y [expr {[winfo rooty $w] - $mh}]
+ }
PostOverPoint $menu $x $y
}
left {
@@ -336,7 +345,7 @@ proc ::tk::MbPost {w {x {}} {y {}}} {
PostOverPoint $menu $x $y [MenuFindName $menu [$w cget -text]]
} else {
PostOverPoint $menu [winfo rootx $w] [expr {[winfo rooty $w]+[winfo height $w]}]
- }
+ }
}
}
} msg]} {