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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the QtDeclarative module 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 Qt 4.7 |
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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 toggleswitch.state = "on"; |
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57 } |
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58 //![2] |
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59 |
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60 //![3] |
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61 function dorelease() { |
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62 if (knob.x == 1) { |
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63 if (toggleswitch.state == "off") return; |
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64 } |
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65 if (knob.x == 78) { |
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66 if (toggleswitch.state == "on") return; |
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67 } |
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68 toggle(); |
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69 } |
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70 //![3] |
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71 |
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72 //![4] |
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73 Image { |
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74 id: background |
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75 source: "background.svg" |
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76 MouseArea { anchors.fill: parent; onClicked: toggle() } |
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77 } |
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78 //![4] |
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79 |
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80 //![5] |
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81 Image { |
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82 id: knob |
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83 x: 1; y: 2 |
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84 source: "knob.svg" |
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85 |
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86 MouseArea { |
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87 anchors.fill: parent |
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88 drag.target: knob; drag.axis: Drag.XAxis; drag.minimumX: 1; drag.maximumX: 78 |
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89 onClicked: toggle() |
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90 onReleased: dorelease() |
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91 } |
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92 } |
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93 //![5] |
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94 |
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95 //![6] |
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96 states: [ |
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97 State { |
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98 name: "on" |
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99 PropertyChanges { target: knob; x: 78 } |
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100 PropertyChanges { target: toggleswitch; on: true } |
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101 }, |
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102 State { |
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103 name: "off" |
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104 PropertyChanges { target: knob; x: 1 } |
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105 PropertyChanges { target: toggleswitch; on: false } |
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106 } |
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107 ] |
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108 //![6] |
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109 |
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110 //![7] |
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111 transitions: Transition { |
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112 NumberAnimation { properties: "x"; easing.type: Easing.InOutQuad; duration: 200 } |
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113 } |
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114 //![7] |
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115 } |
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116 //![0] |