forked from qt-creator/qt-creator
e0e8cf3ada
Change-Id: I7134d7de30bcf9f9dcfad42520dd45ee083a852d Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>
143 lines
4.0 KiB
QML
143 lines
4.0 KiB
QML
/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: http://www.qt-project.org/
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**
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**
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** GNU Lesser General Public License Usage
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**
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this file.
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** Please review the following information to ensure the GNU Lesser General
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** Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** Other Usage
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**
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**************************************************************************/
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import QtQuick 1.0
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import "custom" as Components
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// jens: ContainsMouse breaks drag functionality
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QStyleItem {
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id: dial
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width:100
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height:100
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property alias maximumValue: range.maximumValue
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property alias minimumValue: range.minimumValue
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property alias containsMouse: mouseArea.containsMouse
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property alias value: range.value
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property bool wrapping: false
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property bool tickmarks: true // not implemented
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RangeModel {
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id: range
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minimumValue: 0.0
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maximumValue: 1.0
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stepSize: 0.0
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value: 0
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}
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MouseArea {
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id: mouseArea
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anchors.fill:parent
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property bool inDrag
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hoverEnabled:true
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onPositionChanged: {
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if (pressed) {
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value = valueFromPoint(mouseX, mouseY)
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inDrag = true
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}
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}
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onPressed: {
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value = valueFromPoint(mouseX, mouseY)
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dial.focus = true
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}
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onReleased:inDrag = false;
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function bound(val) { return Math.max(minimumValue, Math.min(maximumValue, val)); }
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function valueFromPoint(x, y)
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{
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var yy = height/2.0 - y;
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var xx = x - width/2.0;
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var a = (xx || yy) ? Math.atan2(yy, xx) : 0;
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if (a < Math.PI/ -2)
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a = a + Math.PI * 2;
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var dist = 0;
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var minv = minimumValue*100, maxv = maximumValue*100;
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if (minimumValue < 0) {
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dist = -minimumValue;
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minv = 0;
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maxv = maximumValue + dist;
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}
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var r = maxv - minv;
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var v;
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if (wrapping)
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v = (0.5 + minv + r * (Math.PI * 3 / 2 - a) / (2 * Math.PI));
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else
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v = (0.5 + minv + r* (Math.PI * 4 / 3 - a) / (Math.PI * 10 / 6));
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if (dist > 0)
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v -= dist;
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return maximumValue - bound(v/100)
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}
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}
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WheelArea {
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id: wheelarea
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anchors.fill: parent
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horizontalMinimumValue: dial.minimumValue
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horizontalMaximumValue: dial.maximumValue
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verticalMinimumValue: dial.minimumValue
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verticalMaximumValue: dial.maximumValue
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property double step: (dial.maximumValue - dial.minimumValue)/100
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onVerticalWheelMoved: {
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value += verticalDelta/4*step
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}
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onHorizontalWheelMoved: {
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value += horizontalDelta/4*step
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}
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}
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elementType:"dial"
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sunken: mouseArea.pressed
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maximum: range.maximumValue*90
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minimum: range.minimumValue*90
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focus:dial.focus
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value: visualPos*90
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enabled: dial.enabled
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property double visualPos : range.value
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Behavior on visualPos {
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enabled: !mouseArea.inDrag
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NumberAnimation {
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duration: 300
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easing.type: Easing.OutSine
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}
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}
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}
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