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/****************************************************************************
**
** This file is a part of QtChickenWranglers.
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).*
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** 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 Nokia Corporation and its Subsidiary(-ies) 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."
**
****************************************************************************/
import Qt 4.7
Item {
id: slider
height: 80
property int maxValue: 0
property int currentValue: 0
property string text: "Slider"
property alias valueText: value.text
property string borderColor: "black"
property string textColor: "black"
property string knobColor: "steelblue"
signal valueChanged(int value)
Text {
id: label
color: textColor
font.family: "NokiaSans"
font.pixelSize: 18
text: slider.text
anchors {
top: parent.top
left: parent.left
}
}
Text {
id: value
color: knobColor
font.family: "NokiaSans"
font.pixelSize: 18
font.bold: true
text: currentValue
anchors {
left: label.right
leftMargin: 10
}
}
Rectangle {
id: line
color: "lightgrey"
width: slider.width
height: knob.height + 2
radius: 50
smooth: true
anchors {
top: label.bottom
topMargin: 5
}
MouseArea {
anchors.fill: parent
onPressed: {
var pos = mouse.x - knob.width
if (pos < 0)
pos = 0
knob.x = pos
knob.checkPositionChange(pos)
}
}
}
Rectangle {
id: lineFill
color: "steelblue"
opacity: 0.5
height: line.height
radius: line.radius
smooth: true
anchors {
top: line.top
left: line.left
right: knob.right
}
}
Rectangle {
id: knob
function valueForPosition(pos) {
return Math.round(pos / ((line.width - knob.width) / slider.maxValue))
}
function positionForValue(value) {
return Math.round(value * ((line.width - knob.width) / slider.maxValue))
}
function checkPositionChange(pos) {
var newValue = knob.valueForPosition(pos)
slider.currentValue = newValue
slider.valueText = currentValue
slider.valueChanged(newValue)
}
color: knobColor
width: 50
height: 50
radius: 50
smooth: true
x: positionForValue(slider.currentValue)
border {
color: borderColor
width: 2
}
MouseArea {
anchors.fill: parent
drag.target: knob
drag.axis: Drag.XAxis
drag.minimumX: 0
drag.maximumX: line.width - knob.width
onPositionChanged: knob.checkPositionChange(knob.x)
}
anchors {
verticalCenter: line.verticalCenter
}
Behavior on x { NumberAnimation { duration: 120 } }
}
}
|
