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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 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 #include <QNetworkConfiguration> |
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42 #include <QNetworkSession> |
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43 |
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44 #include <QGraphicsItem> |
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45 QT_USE_NAMESPACE |
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46 |
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47 QT_BEGIN_NAMESPACE |
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48 class QGraphicsTextItem; |
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49 class QGraphicsSvgItem; |
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50 QT_END_NAMESPACE |
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51 |
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52 class Cloud : public QObject, public QGraphicsItem |
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53 { |
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54 Q_OBJECT |
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55 Q_INTERFACES(QGraphicsItem) |
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56 |
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57 public: |
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58 explicit Cloud(const QNetworkConfiguration &config, QGraphicsItem *parent = 0); |
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59 ~Cloud(); |
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60 |
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61 enum { Type = UserType + 1 }; |
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62 int type() const { return Type; } |
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63 |
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64 void setFinalScale(qreal factor); |
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65 void setDeleteAfterAnimation(bool deleteAfter); |
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66 |
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67 void calculateForces(); |
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68 |
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69 bool advance(); |
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70 QRectF boundingRect() const; |
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71 void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *); |
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72 |
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73 static qreal getRadiusForState(QNetworkConfiguration::StateFlags state); |
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74 |
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75 protected: |
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76 QVariant itemChange(GraphicsItemChange change, const QVariant &value); |
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77 void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event); |
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78 |
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79 private Q_SLOTS: |
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80 void stateChanged(QNetworkSession::State state); |
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81 void newConfigurationActivated(); |
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82 |
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83 private: |
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84 QNetworkConfiguration configuration; |
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85 QNetworkSession *session; |
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86 |
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87 QGraphicsTextItem *text; |
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88 QGraphicsSvgItem *icon; |
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89 |
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90 qreal finalOpacity; |
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91 qreal finalScale; |
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92 qreal currentScale; |
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93 |
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94 QPointF newPos; |
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95 |
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96 bool deleteAfterAnimation; |
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97 }; |
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98 |