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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.12
Item {
id: root
objectName: label
property int value: 50
property int maximumValue: 99
property alias label: label.text
property alias tapEnabled: tap.enabled
property alias pressed: tap.pressed
signal tapped
width: 140
height: 400
DragHandler {
id: dragHandler
objectName: label.text + " DragHandler"
target: knob
xAxis.enabled: false
yAxis.minimum: slot.y
yAxis.maximum: slot.height + slot.y - knob.height
}
Rectangle {
id: slot
anchors.top: parent.top
anchors.bottom: parent.bottom
anchors.margins: 10
anchors.topMargin: 30
anchors.bottomMargin: 30
anchors.horizontalCenter: parent.horizontalCenter
width: 10
color: "black"
radius: width / 2
smooth: true
}
Rectangle {
id: glow
anchors.fill: knob
anchors.margins: -5
anchors.leftMargin: -2
anchors.horizontalCenterOffset: 1
radius: 5
color: "#4400FFFF"
opacity: tap.pressed || tapFlash.running ? 1 : 0
FlashAnimation on visible {
id: tapFlash
}
}
Rectangle {
id: knob
objectName: "Slider Knob"
width: parent.width - 2
height: 30
radius: 5
color: "darkgray"
border.color: "black"
property bool programmatic: false
property real multiplier: root.maximumValue / (dragHandler.yAxis.maximum - dragHandler.yAxis.minimum)
onYChanged: if (!programmatic) root.value = root.maximumValue - (knob.y - dragHandler.yAxis.minimum) * multiplier
transformOrigin: Item.Center
function setValue(value) { knob.y = dragHandler.yAxis.maximum - value / knob.multiplier }
TapHandler {
id: tap
objectName: label.text + " TapHandler"
gesturePolicy: TapHandler.DragThreshold
onTapped: {
tapFlash.start()
root.tapped
}
}
}
Text {
font.pointSize: 16
color: "red"
anchors.bottom: parent.bottom
anchors.horizontalCenter: parent.horizontalCenter
text: root.value
}
Text {
id: label
font.pointSize: 12
color: "red"
anchors.top: parent.top
anchors.topMargin: 5
anchors.horizontalCenter: parent.horizontalCenter
}
Component.onCompleted: {
knob.programmatic = true
knob.setValue(root.value)
knob.programmatic = false
}
}
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