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authordgp <dgp@users.sourceforge.net>2014-11-07 14:20:14 (GMT)
committerdgp <dgp@users.sourceforge.net>2014-11-07 14:20:14 (GMT)
commitfcc39af8d8691cdcc0ce49efe09ad61b94da9ba0 (patch)
tree16e75caa03c5f8899171780cf48367d294c3c2c1
parentba46065bdddd77146da41ff64ffd1f6dce7189e1 (diff)
parent047316eaff14d14c10caa5f0742c426f3963c60b (diff)
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[3529885] [scale] handle negative resolution properly.
-rw-r--r--library/scale.tcl8
-rw-r--r--tests/scale.test33
2 files changed, 40 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}]
diff --git a/tests/scale.test b/tests/scale.test
index d7ded7f..73d0f2d 100644
--- a/tests/scale.test
+++ b/tests/scale.test
@@ -867,6 +867,39 @@ test scale-18.3 {Scale button 2 events [Bug 787065]} \
} \
-result {0 {}}
+test scale-19 {Bug [3529885fff] - Click in through goes in wrong direction} \
+ -setup {
+ catch {destroy .s}
+ catch {destroy .s1 .s2 .s3 .s4}
+ scale .s1 -from 0 -to 100 -resolution 1 -variable x1 -digits 4 -orient horizontal -length 100
+ scale .s2 -from 0 -to 100 -resolution -1 -variable x2 -digits 4 -orient horizontal -length 100
+ scale .s3 -from 100 -to 0 -resolution 1 -variable x3 -digits 4 -orient horizontal -length 100
+ scale .s4 -from 100 -to 0 -resolution -1 -variable x4 -digits 4 -orient horizontal -length 100
+ pack .s1 .s2 .s3 .s4 -side left
+ update
+ } \
+ -body {
+ foreach {x y} [.s1 coord 50] {}
+ event generate .s1 <1> -x $x -y $y
+ event generate .s1 <ButtonRelease-1> -x $x -y $y
+ foreach {x y} [.s2 coord 50] {}
+ event generate .s2 <1> -x $x -y $y
+ event generate .s2 <ButtonRelease-1> -x $x -y $y
+ foreach {x y} [.s3 coord 50] {}
+ event generate .s3 <1> -x $x -y $y
+ event generate .s3 <ButtonRelease-1> -x $x -y $y
+ foreach {x y} [.s4 coord 50] {}
+ event generate .s4 <1> -x $x -y $y
+ event generate .s4 <ButtonRelease-1> -x $x -y $y
+ update
+ list $x1 $x2 $x3 $x4
+ } \
+ -cleanup {
+ unset x1 x2 x3 x4 x y
+ destroy .s1 .s2 .s3 .s4
+ } \
+ -result {1.0 1.0 1.0 1.0}
+
catch {destroy .s}
option clear