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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 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 QtGui module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #ifndef QGESTURERECOGNIZER_H |
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43 #define QGESTURERECOGNIZER_H |
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44 |
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45 #include <QtCore/qglobal.h> |
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46 |
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47 QT_BEGIN_HEADER |
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48 |
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49 QT_BEGIN_NAMESPACE |
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50 |
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51 QT_MODULE(Gui) |
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52 |
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53 class QObject; |
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54 class QEvent; |
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55 class QGesture; |
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56 class Q_GUI_EXPORT QGestureRecognizer |
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57 { |
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58 public: |
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59 enum ResultFlags |
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60 { |
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61 Ignore = 0x0001, |
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62 NotGesture = 0x0002, |
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63 MaybeGesture = 0x0004, |
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64 GestureTriggered = 0x0008, // Gesture started or updated |
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65 GestureFinished = 0x0010, |
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66 |
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67 ResultState_Mask = 0x00ff, |
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68 |
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69 ConsumeEventHint = 0x0100, |
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70 // StoreEventHint = 0x0200, |
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71 // ReplayStoredEventsHint = 0x0400, |
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72 // DiscardStoredEventsHint = 0x0800, |
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73 |
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74 ResultHint_Mask = 0xff00 |
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75 }; |
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76 Q_DECLARE_FLAGS(Result, ResultFlags) |
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77 |
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78 QGestureRecognizer(); |
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79 virtual ~QGestureRecognizer(); |
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80 |
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81 virtual QGesture *createGesture(QObject *target); |
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82 virtual QGestureRecognizer::Result filterEvent(QGesture *state, QObject *watched, QEvent *event) = 0; |
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83 |
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84 virtual void reset(QGesture *state); |
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85 }; |
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86 |
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87 Q_DECLARE_OPERATORS_FOR_FLAGS(QGestureRecognizer::Result) |
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88 |
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89 QT_END_NAMESPACE |
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90 |
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91 QT_END_HEADER |
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92 |
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93 #endif // QGESTURERECOGNIZER_H |