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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: For any questions to Digia, please use the contact form at
+** http://qt.digia.com/
+**
+** This file is part of the examples of the Qt Enterprise Embedded.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+** of its contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+import QtQuick 2.0
+
+Item {
+ id: slider
+
+ height: handleBack.height
+ // value is read/write.
+ property real value: 0
+ property real maximum: 1
+ property real minimum: 0
+ property int xMax: width - handle.width
+ onXMaxChanged: updatePos()
+ onMinimumChanged: updatePos()
+ onValueChanged: if (!pressed) updatePos()
+ property bool mutable: true
+ property alias pressed : backgroundMouse.pressed
+
+ signal valueChangedByHandle(int newValue)
+
+ function updatePos() {
+ if (maximum > minimum) {
+ var pos = 0 + (value - minimum) * slider.xMax / (maximum - minimum);
+ pos = Math.min(pos, width - handle.width - 0);
+ pos = Math.max(pos, 0);
+ handle.x = pos;
+ } else {
+ handle.x = 0;
+ }
+ }
+
+ Rectangle {
+ id: background
+ width: slider.width
+ anchors.verticalCenter: slider.verticalCenter
+ height: 2
+ color: "#666666"
+
+ MouseArea {
+ id: backgroundMouse
+ anchors.fill: parent
+ anchors.topMargin: -24
+ anchors.bottomMargin: -24
+ enabled: slider.mutable
+ drag.target: handle
+ drag.axis: Drag.XAxis
+ drag.minimumX: 0
+ drag.maximumX: slider.xMax
+ onPressedChanged: {
+ value = Math.max(minimum, Math.min(maximum, (maximum - minimum) * (mouseX - handle.width/2) / slider.xMax + minimum));
+ valueChangedByHandle(value);
+ updatePos();
+ }
+ onPositionChanged: {
+ value = Math.max(minimum, Math.min(maximum, (maximum - minimum) * (mouseX - handle.width/2) / slider.xMax + minimum));
+ valueChangedByHandle(value);
+ }
+ onWheel: {
+ value = Math.max(minimum, Math.min(maximum, value + (wheel.angleDelta.y > 0 ? 1 : -1) * (10 / slider.xMax) * (slider.maximum - slider.minimum)));
+ valueChangedByHandle(value);
+ updatePos();
+ }
+ }
+ }
+
+ Rectangle {
+ id: progress
+ height: 5
+ anchors.verticalCenter: background.verticalCenter
+ anchors.left: background.left
+ anchors.right: handle.right
+ anchors.rightMargin: handle.width / 2
+ visible: slider.enabled
+ color: "#98c66c"
+ }
+
+ Rectangle {
+ id: handleBack
+ width: 40
+ height: width
+ radius: width / 2
+ color: "#8898c66c"
+ antialiasing: true
+ anchors.centerIn: handle
+ visible: handle.visible
+ }
+
+ Rectangle {
+ id: handle
+ width: 14
+ height: width
+ radius: width / 2
+ antialiasing: true
+ color: "#98c66c"
+ anchors.verticalCenter: background.verticalCenter
+ visible: slider.enabled
+ }
+}
+