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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the 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 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."
** $QT_END_LICENSE$
**
****************************************************************************/
//![0]
import Qt 4.7
Item {
id: toggleswitch
width: background.width; height: background.height
//![1]
property bool on: false
//![1]
//![2]
function toggle() {
if (toggleswitch.state == "on")
toggleswitch.state = "off";
else
toggleswitch.state = "on";
}
//![2]
//![3]
function releaseSwitch() {
if (knob.x == 1) {
if (toggleswitch.state == "off") return;
}
if (knob.x == 78) {
if (toggleswitch.state == "on") return;
}
toggle();
}
//![3]
//![4]
Image {
id: background
source: "background.svg"
MouseArea { anchors.fill: parent; onClicked: toggle() }
}
//![4]
//![5]
Image {
id: knob
x: 1; y: 2
source: "knob.svg"
MouseArea {
anchors.fill: parent
drag.target: knob; drag.axis: Drag.XAxis; drag.minimumX: 1; drag.maximumX: 78
onClicked: toggle()
onReleased: releaseSwitch()
}
}
//![5]
//![6]
states: [
State {
name: "on"
PropertyChanges { target: knob; x: 78 }
PropertyChanges { target: toggleswitch; on: true }
},
State {
name: "off"
PropertyChanges { target: knob; x: 1 }
PropertyChanges { target: toggleswitch; on: false }
}
]
//![6]
//![7]
transitions: Transition {
NumberAnimation { properties: "x"; easing.type: Easing.InOutQuad; duration: 200 }
}
//![7]
}
//![0]
|
