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Diffstat (limited to 'app/TachometerStyle.qml')
-rw-r--r-- | app/TachometerStyle.qml | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/app/TachometerStyle.qml b/app/TachometerStyle.qml new file mode 100644 index 0000000..a632eab --- /dev/null +++ b/app/TachometerStyle.qml @@ -0,0 +1,127 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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. +** +** BSD License Usage +** Alternatively, you may use this file under the terms of the BSD license +** as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of The Qt Company Ltd nor the names of its +** contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +import QtQuick 2.2 +import QtQuick.Controls.Styles 1.4 +import QtQuick.Extras 1.4 + +DashboardGaugeStyle { + id: tachometerStyle + tickmarkStepSize: 1 + labelStepSize: 1 + needleLength: toPixels(0.85) + needleBaseWidth: toPixels(0.08) + needleTipWidth: toPixels(0.03) + + tickmark: Rectangle { + implicitWidth: toPixels(0.03) + antialiasing: true + implicitHeight: toPixels(0.08) + color: styleData.index === 7 || styleData.index === 8 ? Qt.rgba(0.5, 0, 0, 1) : "#c8c8c8" + } + + minorTickmark: null + + tickmarkLabel: Text { + font.pixelSize: Math.max(6, toPixels(0.12)) + text: styleData.value + color: styleData.index === 7 || styleData.index === 8 ? Qt.rgba(0.5, 0, 0, 1) : "#c8c8c8" + antialiasing: true + } + + background: Canvas { + onPaint: { + var ctx = getContext("2d"); + ctx.reset(); + paintBackground(ctx); + + ctx.beginPath(); + ctx.lineWidth = tachometerStyle.toPixels(0.08); + ctx.strokeStyle = Qt.rgba(0.5, 0, 0, 1); + var warningCircumference = maximumValueAngle - minimumValueAngle * 0.1; + var startAngle = maximumValueAngle - 90; + ctx.arc(outerRadius, outerRadius, + // Start the line in from the decorations, and account for the width of the line itself. + outerRadius - tickmarkInset - ctx.lineWidth / 2, + degToRad(startAngle - angleRange / 8 + angleRange * 0.015), + degToRad(startAngle - angleRange * 0.015), false); + ctx.stroke(); + } + + Text { + id: rpmText + font.pixelSize: tachometerStyle.toPixels(0.3) + text: rpmInt + color: "white" + horizontalAlignment: Text.AlignRight + anchors.horizontalCenter: parent.horizontalCenter + anchors.top: parent.verticalCenter + anchors.topMargin: 20 + + readonly property int rpmInt: valueSource.rpm + } + Text { + text: "x1000" + color: "white" + font.pixelSize: tachometerStyle.toPixels(0.1) + anchors.top: parent.top + anchors.topMargin: parent.height / 4 + anchors.horizontalCenter: parent.horizontalCenter + } + Text { + text: "RPM" + color: "white" + font.pixelSize: tachometerStyle.toPixels(0.1) + anchors.top: rpmText.bottom + anchors.horizontalCenter: parent.horizontalCenter + } + } +} |