145 lines
5 KiB
QML
145 lines
5 KiB
QML
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt Quick Extras module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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import QtQuick 2.2
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// Workaround for QTBUG-37751; we need this import for RangeModel, although we shouldn't.
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import QtQuick.Controls 1.1
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import QtQuick.Controls.Private 1.0
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import QtQuick.Extras 1.4
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import QtQuick.Extras.Private 1.0
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Control {
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id: label
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style: Settings.styleComponent(Settings.style, "CircularTickmarkLabelStyle.qml", label)
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property alias minimumValue: range.minimumValue
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property alias maximumValue: range.maximumValue
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property alias stepSize: range.stepSize
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RangeModel {
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id: range
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minimumValue: 0
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maximumValue: 100
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stepSize: 0
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// Not used.
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value: minimumValue
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}
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/*!
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This property determines the angle at which the first tickmark is drawn.
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*/
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property real minimumValueAngle: -145
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/*!
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This property determines the angle at which the last tickmark is drawn.
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*/
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property real maximumValueAngle: 145
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/*!
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The range between \l minimumValueAngle and \l maximumValueAngle, in
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degrees.
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*/
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readonly property real angleRange: maximumValueAngle - minimumValueAngle
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/*!
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The interval at which tickmarks are displayed.
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*/
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property real tickmarkStepSize: 10
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/*!
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The distance in pixels from the outside of the control (outerRadius) at
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which the outermost point of the tickmark line is drawn.
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*/
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property real tickmarkInset: 0.0
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/*!
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The amount of tickmarks displayed.
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*/
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readonly property int tickmarkCount: __tickmarkCount
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/*!
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The amount of minor tickmarks between each tickmark.
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*/
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property int minorTickmarkCount: 4
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/*!
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The distance in pixels from the outside of the control (outerRadius) at
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which the outermost point of the minor tickmark line is drawn.
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*/
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property real minorTickmarkInset: 0.0
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/*!
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The distance in pixels from the outside of the control (outerRadius) at
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which the center of the value marker text is drawn.
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*/
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property real labelInset: __style.__protectedScope.toPixels(0.19)
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/*!
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The interval at which tickmark labels are displayed.
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*/
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property real labelStepSize: tickmarkStepSize
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/*!
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The amount of tickmark labels displayed.
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*/
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readonly property int labelCount: (maximumValue - minimumValue) / labelStepSize + 1
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/*! \internal */
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readonly property real __tickmarkCount: tickmarkStepSize > 0 ? (maximumValue - minimumValue) / tickmarkStepSize + 1 : 0
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/*!
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This property determines whether or not the control displays tickmarks,
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minor tickmarks, and labels.
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*/
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property bool tickmarksVisible: true
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/*!
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Returns \a value as an angle in degrees.
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For example, if minimumValueAngle is set to \c 270 and maximumValueAngle
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is set to \c 90, this function will return \c 270 when passed
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minimumValue and \c 90 when passed maximumValue.
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*/
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function valueToAngle(value) {
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var normalised = (value - minimumValue) / (maximumValue - minimumValue);
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return (maximumValueAngle - minimumValueAngle) * normalised + minimumValueAngle;
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}
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}
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