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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:FDL$
** 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 Free Documentation License Usage
** Alternatively, this file may be used under the terms of the GNU Free
** Documentation License version 1.3 as published by the Free Software
** Foundation and appearing in the file included in the packaging of
** this file. Please review the following information to ensure
** the GNU Free Documentation License version 1.3 requirements
** will be met: https://www.gnu.org/licenses/fdl-1.3.html.
** $QT_END_LICENSE$
**
****************************************************************************/
//! [file]
import QtQuick 2.12
import QtQuick.Controls 2.12
DelayButton {
id: control
checked: true
text: qsTr("Delay\nButton")
contentItem: Text {
text: control.text
font: control.font
opacity: enabled ? 1.0 : 0.3
color: "white"
horizontalAlignment: Text.AlignHCenter
verticalAlignment: Text.AlignVCenter
elide: Text.ElideRight
}
background: Rectangle {
implicitWidth: 100
implicitHeight: 100
opacity: enabled ? 1 : 0.3
color: control.down ? "#17a81a" : "#21be2b"
radius: size / 2
readonly property real size: Math.min(control.width, control.height)
width: size
height: size
anchors.centerIn: parent
Canvas {
id: canvas
anchors.fill: parent
Connections {
target: control
onProgressChanged: canvas.requestPaint()
}
onPaint: {
var ctx = getContext("2d")
ctx.clearRect(0, 0, width, height)
ctx.strokeStyle = "white"
ctx.lineWidth = parent.size / 20
ctx.beginPath()
var startAngle = Math.PI / 5 * 3
var endAngle = startAngle + control.progress * Math.PI / 5 * 9
ctx.arc(width / 2, height / 2, width / 2 - ctx.lineWidth / 2 - 2, startAngle, endAngle)
ctx.stroke()
}
}
}
}
//! [file]
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