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-rw-r--r--library/scale.tcl8
1 files changed, 7 insertions, 1 deletions
diff --git a/library/scale.tcl b/library/scale.tcl
index b4da824..771c7a4 100644
--- a/library/scale.tcl
+++ b/library/scale.tcl
@@ -223,7 +223,13 @@ proc ::tk::ScaleIncrement {w dir big repeat} {
set inc [$w cget -resolution]
}
if {([$w cget -from] > [$w cget -to]) ^ ($dir eq "up")} {
- set inc [expr {-$inc}]
+ if {$inc > 0} {
+ set inc [expr {-$inc}]
+ }
+ } else {
+ if {$inc < 0} {
+ set inc [expr {-$inc}]
+ }
}
$w set [expr {[$w get] + $inc}]