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/****************************************************************************
**
** Copyright (C) 2015 QUIt Coding Ltd.
** Contact: info@quitcoding.com
**
** This file is part of Cinematic 3D, a Qt3D demo application.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 2.4
Item {
id: root
property alias text: textItem.text
property bool checked: false
property string textOn: qsTr("ON")
property string textOff: qsTr("OFF")
QtObject {
id: priv
property real switchWidth: 86 * dp
property real barHeight: 25 * dp
property real knobMovement: switchWidth - knobSize + 2
property real knobSize: 32 * dp
property real knobState: knob.x / knobMovement
function releaseSwitch() {
// Don't switch if we are already in that side
if ((knob.x == -2 && !checked) || (knob.x == priv.knobMovement && checked)) {
return;
}
checked = !checked;
}
}
width: parent ? parent.width : 200 * dp
height: 64 * dp
MouseArea {
width: parent.width
height: parent.height
onClicked: {
root.checked = !root.checked;
}
}
Text {
id: textItem
anchors.verticalCenter: parent.verticalCenter
anchors.left: parent.left
anchors.leftMargin: 22 * dp
anchors.right: switchBackgroundImage.left
anchors.rightMargin: 8 * dp
wrapMode: Text.WordWrap
font.pixelSize: 20 * dp
color: "#ffffff"
}
Rectangle {
id: switchBackgroundImage
anchors.verticalCenter: parent.verticalCenter
anchors.right: parent.right
anchors.rightMargin: 32 * dp
height: priv.barHeight
width: priv.switchWidth
radius: height/2
color: "#404040"
}
Rectangle {
id: switchFrameImage
anchors.verticalCenter: parent.verticalCenter
anchors.right: parent.right
anchors.rightMargin: 32 * dp
height: priv.barHeight
width: priv.switchWidth
radius: height/2
color: "transparent"
border.width: 1 * dp
border.color: "#808080"
z: 2
}
Item {
id: switchItem
anchors.fill: switchBackgroundImage
Text {
anchors.verticalCenter: parent.verticalCenter
anchors.right: knob.left
anchors.rightMargin: (priv.switchWidth - priv.knobSize - paintedWidth) / 2
color: "#ffffff"
font.pixelSize: 12 * dp
text: textOn
}
Text {
anchors.verticalCenter: parent.verticalCenter
anchors.left: knob.right
anchors.leftMargin: (priv.switchWidth - priv.knobSize - paintedWidth - 6*dp) / 2
color: "#808080"
font.pixelSize: 12 * dp
text: textOff
}
Item {
id: knob
anchors.verticalCenter: parent.verticalCenter
height: priv.knobSize
width: height
x: checked ? priv.knobMovement : -2
MouseArea {
anchors.fill: parent
drag.target: knob; drag.axis: Drag.XAxis; drag.minimumX: -2; drag.maximumX: priv.knobMovement
onClicked: checked = !checked;
onReleased: priv.releaseSwitch();
}
Behavior on x {
NumberAnimation { duration: 250; easing.type: Easing.InOutQuad }
}
}
}
Rectangle {
id: knobVisual
property real colorValue: 0.6 + priv.knobState*0.4
anchors.verticalCenter: parent.verticalCenter
height: priv.knobSize
width: height
x: switchBackgroundImage.x + knob.x
z: 10
radius: height/2
color: Qt.rgba(colorValue, colorValue, colorValue, 1.0)
border.width: 1 * dp
border.color: "#404040"
}
// Mask out switch parts which should be hidden
ShaderEffect {
id: shaderItem
property variant source: ShaderEffectSource { sourceItem: switchItem; hideSource: true }
property variant maskSource: ShaderEffectSource { sourceItem: switchBackgroundImage; hideSource: false }
anchors.fill: switchBackgroundImage
fragmentShader: "
varying highp vec2 qt_TexCoord0;
uniform highp float qt_Opacity;
uniform sampler2D source;
uniform sampler2D maskSource;
void main(void) {
gl_FragColor = texture2D(source, qt_TexCoord0.st) * (texture2D(maskSource, qt_TexCoord0.st).a) * qt_Opacity;
}
"
}
}
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