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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 QtCore 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 QABSTRACTTRANSITION_H |
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43 #define QABSTRACTTRANSITION_H |
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44 |
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45 #include <QtCore/qobject.h> |
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46 |
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47 #include <QtCore/qlist.h> |
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48 |
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49 QT_BEGIN_HEADER |
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50 |
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51 QT_BEGIN_NAMESPACE |
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52 |
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53 QT_MODULE(Core) |
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54 |
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55 #ifndef QT_NO_STATEMACHINE |
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56 |
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57 class QEvent; |
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58 class QAbstractState; |
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59 class QState; |
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60 class QStateMachine; |
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61 |
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62 #ifndef QT_NO_ANIMATION |
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63 class QAbstractAnimation; |
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64 #endif |
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65 |
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66 class QAbstractTransitionPrivate; |
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67 class Q_CORE_EXPORT QAbstractTransition : public QObject |
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68 { |
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69 Q_OBJECT |
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70 Q_PROPERTY(QState* sourceState READ sourceState) |
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71 Q_PROPERTY(QAbstractState* targetState READ targetState WRITE setTargetState) |
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72 Q_PROPERTY(QList<QAbstractState*> targetStates READ targetStates WRITE setTargetStates) |
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73 public: |
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74 QAbstractTransition(QState *sourceState = 0); |
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75 virtual ~QAbstractTransition(); |
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76 |
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77 QState *sourceState() const; |
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78 QAbstractState *targetState() const; |
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79 void setTargetState(QAbstractState* target); |
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80 QList<QAbstractState*> targetStates() const; |
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81 void setTargetStates(const QList<QAbstractState*> &targets); |
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82 |
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83 QStateMachine *machine() const; |
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84 |
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85 #ifndef QT_NO_ANIMATION |
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86 void addAnimation(QAbstractAnimation *animation); |
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87 void removeAnimation(QAbstractAnimation *animation); |
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88 QList<QAbstractAnimation*> animations() const; |
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89 #endif |
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90 |
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91 Q_SIGNALS: |
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92 #if !defined(Q_MOC_RUN) && !defined(qdoc) |
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93 private: // can only be emitted by QAbstractTransition |
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94 #endif |
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95 void triggered(); |
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96 |
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97 protected: |
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98 virtual bool eventTest(QEvent *event) = 0; |
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99 |
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100 virtual void onTransition(QEvent *event) = 0; |
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101 |
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102 bool event(QEvent *e); |
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103 |
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104 protected: |
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105 QAbstractTransition(QAbstractTransitionPrivate &dd, QState *parent); |
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106 |
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107 private: |
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108 Q_DISABLE_COPY(QAbstractTransition) |
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109 Q_DECLARE_PRIVATE(QAbstractTransition) |
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110 }; |
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111 |
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112 #endif //QT_NO_STATEMACHINE |
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113 |
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114 QT_END_NAMESPACE |
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115 |
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116 QT_END_HEADER |
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117 |
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118 #endif |