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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt for Python examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 2.12
Item {
id: slider
height: 26
// default drag range is 180: divisible by 2, 3, 4, 5, 6, 9, 10, ...
width: sliderName.width + 223 + handle.width / 2
property real min: 0
property real max: 1
property real value: min + (max - min) * dragHandler.value
property real init: min+(max-min)/2
property string name: "Slider"
property color color: "#0066cc"
property real minLabelWidth: 44
DragHandler {
id: dragHandler
target: handle
xAxis.minimum: Math.round(-handle.width / 2 + 3)
xAxis.maximum: Math.round(groove.width - handle.width / 2 - 3)
property real value: (handle.x - xAxis.minimum) / (xAxis.maximum - xAxis.minimum)
}
Component.onCompleted: setValue(init)
function setValue(v) {
if (min < max) {
handle.x = Math.round( v / (max - min) *
(dragHandler.xAxis.maximum - dragHandler.xAxis.minimum)
+ dragHandler.xAxis.minimum);
// console.log(name, v, "-> handle.x", handle.x, "from fraction", (v / (max - min)),
// "of drag range", (dragHandler.xAxis.maximum - dragHandler.xAxis.minimum), "px", min, ":", max)
}
}
Rectangle {
id:sliderName
anchors.left: parent.left
anchors.leftMargin: 16
height: childrenRect.height
width: Math.max(slider.minLabelWidth, childrenRect.width)
anchors.verticalCenter: parent.verticalCenter
Text {
text: slider.name + ":"
font.pointSize: 12
color: "#333"
}
}
Rectangle {
id: groove
width: parent.width - 8 - sliderName.width
color: "#eee"
height: 7
radius: 3
antialiasing: true
border.color: Qt.darker(color, 1.2)
anchors.left: sliderName.right
anchors.right: parent.right
anchors.leftMargin: 10
anchors.rightMargin: 24
anchors.verticalCenter: parent.verticalCenter
Rectangle {
height: parent.height
anchors.left: parent.left
anchors.right: handle.horizontalCenter
color: slider.color
radius: 3
border.width: 1
border.color: Qt.darker(color, 1.3)
opacity: 0.8
}
Image {
id: handle
source: "images/slider_handle.png"
anchors.verticalCenter: parent.verticalCenter
}
}
}
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