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+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Controls 2 module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.9
+import QtQuick.Templates 2.3 as T
+import QtQuick.Controls.Imagine 2.3
+import QtQuick.Controls.Imagine.impl 2.3
+
+T.ScrollBar {
+ id: control
+
+ implicitWidth: Math.max(background ? background.implicitWidth : 0,
+ contentItem.implicitWidth + leftPadding + rightPadding)
+ implicitHeight: Math.max(background ? background.implicitHeight : 0,
+ contentItem.implicitHeight + topPadding + bottomPadding)
+
+ visible: control.policy !== T.ScrollBar.AlwaysOff
+
+ topPadding: background ? background.topPadding : 0
+ leftPadding: background ? background.leftPadding : 0
+ rightPadding: background ? background.rightPadding : 0
+ bottomPadding: background ? background.bottomPadding : 0
+
+ contentItem: NinePatchImage {
+ width: control.availableWidth
+ height: control.availableHeight
+
+ source: Imagine.path + "scrollbar-handle"
+ NinePatchImageSelector on source {
+ states: [
+ {"vertical": control.vertical},
+ {"horizontal": control.horizontal},
+ {"disabled": !control.enabled},
+ {"interactive": control.interactive},
+ {"pressed": control.pressed},
+ {"mirrored": control.mirrored},
+ {"hovered": control.hovered}
+ ]
+ }
+ opacity: 0.0
+ }
+
+ background: NinePatchImage {
+ x: -leftInset; y: -topInset
+ width: control.width + leftInset + rightInset
+ height: control.height + topInset + bottomInset
+
+ source: Imagine.path + "scrollbar-background"
+ NinePatchImageSelector on source {
+ states: [
+ {"vertical": control.vertical},
+ {"horizontal": control.horizontal},
+ {"disabled": !control.enabled},
+ {"interactive": control.interactive},
+ {"pressed": control.pressed},
+ {"mirrored": control.mirrored},
+ {"hovered": control.hovered}
+ ]
+ }
+ opacity: 0.0
+ }
+
+ states: [
+ State {
+ name: "active"
+ when: control.policy === T.ScrollBar.AlwaysOn || (control.active && control.size < 1.0)
+ }
+ ]
+
+ transitions: [
+ Transition {
+ to: "active"
+ NumberAnimation { targets: [contentItem, background]; property: "opacity"; to: 1.0 }
+ },
+ Transition {
+ from: "active"
+ SequentialAnimation {
+ PropertyAction{ targets: [contentItem, background]; property: "opacity"; value: 1.0 }
+ PauseAnimation { duration: 3000 }
+ NumberAnimation { targets: [contentItem, background]; property: "opacity"; to: 0.0 }
+ }
+ }
+ ]
+}