diff options
Diffstat (limited to 'examples/mobile/guitartuner/src/mycomponents/Meter.qml')
-rw-r--r-- | examples/mobile/guitartuner/src/mycomponents/Meter.qml | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/examples/mobile/guitartuner/src/mycomponents/Meter.qml b/examples/mobile/guitartuner/src/mycomponents/Meter.qml new file mode 100644 index 00000000..cfb764ed --- /dev/null +++ b/examples/mobile/guitartuner/src/mycomponents/Meter.qml @@ -0,0 +1,113 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the demonstration applications of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +import QtQuick 1.0 + +/* A meter component. */ +Rectangle { + id: meter + + property real value: 0 + property real minValue: -1 + property real maxValue: 1 + property alias imageSize: meterImage.sourceSize + + function valueChanged(pValue) { + value = pValue; + scaleValueToAngle(); + } + function scaleValueToAngle() { + pointer.angle = (((value-minValue)/(maxValue-minValue))* + (pointer.angleMax-pointer.angleMin))+ + pointer.angleMin; + } + + color: "transparent" + + Image { + id: meterImage + + smooth: true + source: "./images/meterBG.png" + anchors.fill: parent + } + + Image { + id:pointerShadow + + x: pointer.x - 2 + y: pointer.y - 2 + height: pointer.height + smooth: true + source: "./images/pointerShadow.png" + transform: Rotation { + origin.x: 2 + origin.y: height + angle: -pointer.angle + } + } + + Image { + id: pointer + + property real angle: 0 + property real angleMax: -45 + property real angleMin: 45 + + height: parent.height*0.92 + transformOrigin: "Bottom" + rotation: -angle + smooth: true + source: "./images/pointer.png" + anchors { + bottomMargin: 2 + bottom: parent.bottom; + horizontalCenter: parent.horizontalCenter + } + + Behavior on angle { + SpringAnimation { + spring: 1.4 + damping: 0.15 + } + } + } +} |