Index: src/activities/menu/ConfigurationItem.qml
===================================================================
--- src/activities/menu/ConfigurationItem.qml
+++ src/activities/menu/ConfigurationItem.qml
@@ -1,4 +1,3 @@
-
 /* GCompris - ConfigurationItem.qml
  *
  * Copyright (C) 2014-2016 Johnny Jazeix <jazeix@gmail.com>
@@ -279,27 +278,14 @@
         Flow {
             spacing: 5
             width: parent.width
-            Slider {
+            GCSlider {
                 id: baseFontSizeSlider
                 width: 250 * ApplicationInfo.ratio
-                style: GCSliderStyle {}
                 maximumValue: ApplicationSettings.baseFontSizeMax
                 minimumValue: ApplicationSettings.baseFontSizeMin
-                stepSize: 1.0
-                tickmarksEnabled: true
-                updateValueWhileDragging: true
                 value: baseFontSize
                 onValueChanged: ApplicationSettings.baseFontSize = value;
-                MouseArea { // Removes scrolling when hovering sliders
-                    anchors.fill: parent
-                    onWheel: {}
-                    onPressed: {
-                        mouse.accepted = false
-                    }
-                    onReleased: {
-                        mouse.accepted = false
-                    }
-                }
+                scrollEnabled: false
             }
             GCText {
                 id: baseFontSizeText
@@ -327,27 +313,14 @@
         Flow {
             spacing: 5
             width: parent.width
-            Slider {
+            GCSlider {
                 id: fontLetterSpacingSlider
                 width: 250 * ApplicationInfo.ratio
-                style: GCSliderStyle {}
                 maximumValue: ApplicationSettings.fontLetterSpacingMax
                 minimumValue: ApplicationSettings.fontLetterSpacingMin
-                stepSize: 1.0
-                tickmarksEnabled: true
-                updateValueWhileDragging: true
                 value: fontLetterSpacing
-                onValueChanged: ApplicationSettings.fontLetterSpacing = value
-                MouseArea { // Removes scrolling when hovering sliders
-                    anchors.fill: parent
-                    onWheel: {}
-                    onPressed: {
-                        mouse.accepted = false
-                    }
-                    onReleased: {
-                        mouse.accepted = false
-                    }
-                }
+                onValueChanged: ApplicationSettings.fontLetterSpacing = value;
+                scrollEnabled: false
             }
             GCText {
                 id: fontLetterSpacingText
Index: src/core/GCSlider.qml
===================================================================
--- /dev/null
+++ src/core/GCSlider.qml
@@ -0,0 +1,62 @@
+/* GCompris - GCSlider.qml
+ *
+ * Copyright (C) 2018 Alexis Breton <alexis95150@gmail.com>
+ *
+ * Authors:
+ *   Alexis Breton <alexis95150@gmail.com>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+import QtQuick 2.6
+import QtQuick.Controls 1.5
+
+
+/**
+  * A Slider component with GCompris' style.
+  * @ingroup components
+  *
+  * Provides the "scrollEnabled" property to replace "wheelEnabled"
+  * that is only available with QtQuick.Controls > 1.6. If using
+  * QtQuick.Controls >= 1.6, please use the built-in "wheelEnabled" property
+  *
+  * @inherit QtQuick.Controls.Slider
+  */
+Slider {
+
+    /**
+      * type:bool
+      * Set to false to disable changing the value by scrolling the mouse.
+      * Default is true.
+      *
+      * If false, the mouse scrolling is disabled while hovering the slider.
+      *
+      * Deprecated if using QtQuick.Controls >= 1.6
+      */
+    property bool scrollEnabled : true
+
+
+    style: GCSliderStyle {}
+    stepSize: 1.0
+    tickmarksEnabled: true
+
+    // Removes scrolling when hovering sliders if scrollEnabled = false
+    MouseArea {
+        anchors.fill: parent
+        enabled: !scrollEnabled
+        onWheel: {}
+        onPressed: mouse.accepted = false
+        onReleased: mouse.accepted = false
+    }
+
+}