From 9f8756599edd61712e8da85b0cfe627ea4cc502d Mon Sep 17 00:00:00 2001
From: "jan.nijtmans" <nijtmans@users.sourceforge.net>
Date: Fri, 28 Jun 2013 11:17:14 +0000
Subject: Bug [2501278]: ttk::scale keyboard binding problem

---
 ChangeLog             | 5 +++++
 library/ttk/scale.tcl | 5 ++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index d3b46a7..ef332bd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2012-06-28  Jan Nijtmans  <nijtmans@users.sf.net>
+
+	* library/ttk/scale.tcl: [Bug 2501278]: ttk::scale keyboard binding
+	problem.
+
 2012-06-07  Jan Nijtmans  <nijtmans@users.sf.net>
 
 	* win/tkWinDialog.c: [Bug 1913750]: tk_chooseDirectory -initialdir
diff --git a/library/ttk/scale.tcl b/library/ttk/scale.tcl
index 23d08ed..4a534de 100644
--- a/library/ttk/scale.tcl
+++ b/library/ttk/scale.tcl
@@ -39,7 +39,7 @@ proc ttk::scale::Press {w x y} {
     switch -glob -- [$w identify $x $y] {
 	*track -
         *trough {
-            set inc [expr {([$w get $x $y] <= [$w get]) ? -1 : 1}]
+            set inc [expr {([$w get $x $y] <= [$w get]) ^ ([$w cget -from] > [$w cget -to]) ? -1 : 1}]
             ttk::Repeatedly Increment $w $inc
         }
         *slider {
@@ -84,5 +84,8 @@ proc ttk::scale::Release {w x y} {
 
 proc ttk::scale::Increment {w delta} {
     if {![winfo exists $w]} return
+    if {([$w cget -from] > [$w cget -to])} {
+	set delta [expr {-$delta}]
+    }
     $w set [expr {[$w get] + $delta}]
 }
-- 
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