| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Quick Extras module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
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| ** General Public License version 3 as published by the Free Software |
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| ** GNU General Public License Usage |
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| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
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| |
| import QtQuick 2.2 |
| // Workaround for QTBUG-37751; we need this import for RangeModel, although we shouldn't. |
| import QtQuick.Controls 1.1 |
| import QtQuick.Controls.Private 1.0 |
| import QtQuick.Extras 1.4 |
| import QtQuick.Extras.Private 1.0 |
| |
| Control { |
| id: label |
| style: Settings.styleComponent(Settings.style, "CircularTickmarkLabelStyle.qml", label) |
| |
| property alias minimumValue: range.minimumValue |
| |
| property alias maximumValue: range.maximumValue |
| |
| property alias stepSize: range.stepSize |
| |
| RangeModel { |
| id: range |
| minimumValue: 0 |
| maximumValue: 100 |
| stepSize: 0 |
| // Not used. |
| value: minimumValue |
| } |
| |
| /*! |
| This property determines the angle at which the first tickmark is drawn. |
| */ |
| property real minimumValueAngle: -145 |
| |
| /*! |
| This property determines the angle at which the last tickmark is drawn. |
| */ |
| property real maximumValueAngle: 145 |
| |
| /*! |
| The range between \l minimumValueAngle and \l maximumValueAngle, in |
| degrees. |
| */ |
| readonly property real angleRange: maximumValueAngle - minimumValueAngle |
| |
| /*! |
| The interval at which tickmarks are displayed. |
| */ |
| property real tickmarkStepSize: 10 |
| |
| /*! |
| The distance in pixels from the outside of the control (outerRadius) at |
| which the outermost point of the tickmark line is drawn. |
| */ |
| property real tickmarkInset: 0.0 |
| |
| /*! |
| The amount of tickmarks displayed. |
| */ |
| readonly property int tickmarkCount: __tickmarkCount |
| |
| /*! |
| The amount of minor tickmarks between each tickmark. |
| */ |
| property int minorTickmarkCount: 4 |
| |
| /*! |
| The distance in pixels from the outside of the control (outerRadius) at |
| which the outermost point of the minor tickmark line is drawn. |
| */ |
| property real minorTickmarkInset: 0.0 |
| |
| /*! |
| The distance in pixels from the outside of the control (outerRadius) at |
| which the center of the value marker text is drawn. |
| */ |
| property real labelInset: __style.__protectedScope.toPixels(0.19) |
| |
| /*! |
| The interval at which tickmark labels are displayed. |
| */ |
| property real labelStepSize: tickmarkStepSize |
| |
| /*! |
| The amount of tickmark labels displayed. |
| */ |
| readonly property int labelCount: (maximumValue - minimumValue) / labelStepSize + 1 |
| |
| /*! \internal */ |
| readonly property real __tickmarkCount: tickmarkStepSize > 0 ? (maximumValue - minimumValue) / tickmarkStepSize + 1 : 0 |
| |
| /*! |
| This property determines whether or not the control displays tickmarks, |
| minor tickmarks, and labels. |
| */ |
| property bool tickmarksVisible: true |
| |
| /*! |
| Returns \a value as an angle in degrees. |
| |
| For example, if minimumValueAngle is set to \c 270 and maximumValueAngle |
| is set to \c 90, this function will return \c 270 when passed |
| minimumValue and \c 90 when passed maximumValue. |
| */ |
| function valueToAngle(value) { |
| var normalised = (value - minimumValue) / (maximumValue - minimumValue); |
| return (maximumValueAngle - minimumValueAngle) * normalised + minimumValueAngle; |
| } |
| } |