diff options
| -rw-r--r-- | library/menu.tcl | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/library/menu.tcl b/library/menu.tcl index 31da4fb..f66c498 100644 --- a/library/menu.tcl +++ b/library/menu.tcl @@ -1224,24 +1224,35 @@ proc ::tk::PostOverPoint {menu x y {entry {}}} { } incr x [expr {-[winfo reqwidth $menu]/2}] } - if {$tcl_platform(platform) == "windows"} { + + if {$tcl_platform(platform) eq "windows"} { + # osVersion is not available in safe interps + set ver 5 + if {[info exists tcl_platform(osVersion)]} { + scan $tcl_platform(osVersion) %d ver + } + # We need to fix some problems with menu posting on Windows, # where, if the menu would overlap top or bottom of screen, # Windows puts it in the wrong place for us. We must also # subtract an extra amount for half the height of the current # entry. To be safe we subtract an extra 10. - set yoffset [expr {[winfo screenheight $menu] \ - - $y - [winfo reqheight $menu] - 10}] - if {$yoffset < 0} { - # The bottom of the menu is offscreen, so adjust upwards - incr y $yoffset - if {$y < 0} { set y 0 } - } - # If we're off the top of the screen (either because we were - # originally or because we just adjusted too far upwards), - # then make the menu popup on the top edge. - if {$y < 0} { - set y 0 + # NOTE: this issue appears to have been resolved in the Window + # manager provided with Vista and Windows 7. + if {$ver < 6} { + set yoffset [expr {[winfo screenheight $menu] \ + - $y - [winfo reqheight $menu] - 10}] + if {$yoffset < 0} { + # The bottom of the menu is offscreen, so adjust upwards + incr y $yoffset + if {$y < 0} { set y 0 } + } + # If we're off the top of the screen (either because we were + # originally or because we just adjusted too far upwards), + # then make the menu popup on the top edge. + if {$y < 0} { + set y 0 + } } } $menu post $x $y |