From ae59a44b81aedac647bd67d9672e368b4a637ae9 Mon Sep 17 00:00:00 2001
From: Marco Martin <notmart@gmail.com>
Date: Thu, 12 Nov 2009 20:17:30 +0000
Subject: [PATCH] support horizontal scrollwheels

svn path=/trunk/KDE/kdelibs/; revision=1048147
---
 private/kineticscroll.cpp | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/private/kineticscroll.cpp b/private/kineticscroll.cpp
index af30ecf94..fb1151369 100644
--- a/private/kineticscroll.cpp
+++ b/private/kineticscroll.cpp
@@ -205,11 +205,13 @@ void KineticScrolling::wheelReleaseEvent(QGraphicsSceneWheelEvent *event)
 
         int temp = -event->delta()/2;
 
-        if ((event->delta() < 0 && d->canScroll(KineticScrollingPrivate::Down)) ||
-            (event->delta() > 0 && d->canScroll(KineticScrollingPrivate::Up))){
+        if (event->orientation() == Qt::Vertical &&
+            ((event->delta() < 0 && d->canScroll(KineticScrollingPrivate::Down)) ||
+            (event->delta() > 0 && d->canScroll(KineticScrollingPrivate::Up)))) {
             d->kinMovement.setY(kinMovement().y() + temp);
-        } else if (!d->canScroll(KineticScrollingPrivate::Down) &&
-                   !d->canScroll(KineticScrollingPrivate::Up)) {
+        } else if (event->orientation() == Qt::Vertical ||
+                   (!d->canScroll(KineticScrollingPrivate::Down) &&
+                    !d->canScroll(KineticScrollingPrivate::Up))) {
             if ((event->delta() < 0 && d->canScroll(KineticScrollingPrivate::Right)) ||
                    (event->delta() > 0 && d->canScroll(KineticScrollingPrivate::Left))) {
                 d->kinMovement.setX(kinMovement().x() + temp);