1 | /****************************************************************************
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2 | **
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3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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4 | ** All rights reserved.
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5 | ** Contact: Nokia Corporation ([email protected])
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6 | **
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7 | ** This file is part of the examples of the Qt Toolkit.
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8 | **
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9 | ** $QT_BEGIN_LICENSE:BSD$
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10 | ** You may use this file under the terms of the BSD license as follows:
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11 | **
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12 | ** "Redistribution and use in source and binary forms, with or without
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13 | ** modification, are permitted provided that the following conditions are
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14 | ** met:
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15 | ** * Redistributions of source code must retain the above copyright
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16 | ** notice, this list of conditions and the following disclaimer.
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17 | ** * Redistributions in binary form must reproduce the above copyright
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18 | ** notice, this list of conditions and the following disclaimer in
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19 | ** the documentation and/or other materials provided with the
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20 | ** distribution.
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21 | ** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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22 | ** the names of its contributors may be used to endorse or promote
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23 | ** products derived from this software without specific prior written
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24 | ** permission.
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25 | **
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26 | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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27 | ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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28 | ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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29 | ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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30 | ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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31 | ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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32 | ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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33 | ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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34 | ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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35 | ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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36 | ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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37 | ** $QT_END_LICENSE$
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38 | **
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39 | ****************************************************************************/
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40 |
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41 | //![0]
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42 | import QtQuick 1.0
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43 |
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44 | Item {
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45 | id: toggleswitch
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46 | width: background.width; height: background.height
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47 |
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48 | //![1]
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49 | property bool on: false
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50 | //![1]
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51 |
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52 | //![2]
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53 | function toggle() {
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54 | if (toggleswitch.state == "on")
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55 | toggleswitch.state = "off";
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56 | else
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57 | toggleswitch.state = "on";
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58 | }
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59 | //![2]
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60 |
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61 | //![3]
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62 | function releaseSwitch() {
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63 | if (knob.x == 1) {
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64 | if (toggleswitch.state == "off") return;
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65 | }
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66 | if (knob.x == 78) {
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67 | if (toggleswitch.state == "on") return;
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68 | }
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69 | toggle();
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70 | }
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71 | //![3]
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72 |
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73 | //![4]
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74 | Image {
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75 | id: background
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76 | source: "background.svg"
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77 | MouseArea { anchors.fill: parent; onClicked: toggle() }
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78 | }
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79 | //![4]
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80 |
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81 | //![5]
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82 | Image {
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83 | id: knob
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84 | x: 1; y: 2
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85 | source: "knob.svg"
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86 |
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87 | MouseArea {
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88 | anchors.fill: parent
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89 | drag.target: knob; drag.axis: Drag.XAxis; drag.minimumX: 1; drag.maximumX: 78
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90 | onClicked: toggle()
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91 | onReleased: releaseSwitch()
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92 | }
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93 | }
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94 | //![5]
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95 |
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96 | //![6]
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97 | states: [
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98 | State {
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99 | name: "on"
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100 | PropertyChanges { target: knob; x: 78 }
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101 | PropertyChanges { target: toggleswitch; on: true }
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102 | },
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103 | State {
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104 | name: "off"
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105 | PropertyChanges { target: knob; x: 1 }
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106 | PropertyChanges { target: toggleswitch; on: false }
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107 | }
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108 | ]
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109 | //![6]
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110 |
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111 | //![7]
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112 | transitions: Transition {
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113 | NumberAnimation { properties: "x"; easing.type: Easing.InOutQuad; duration: 200 }
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114 | }
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115 | //![7]
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116 | }
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117 | //![0]
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