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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 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 #include "qkeyeventtransition.h" |
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43 |
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44 #ifndef QT_NO_STATEMACHINE |
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45 |
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46 #include "qbasickeyeventtransition_p.h" |
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47 #include <QtCore/qstatemachine.h> |
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48 #include <private/qeventtransition_p.h> |
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49 |
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50 QT_BEGIN_NAMESPACE |
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51 |
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52 /*! |
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53 \class QKeyEventTransition |
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54 |
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55 \brief The QKeyEventTransition class provides a transition for key events. |
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56 |
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57 \since 4.6 |
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58 \ingroup statemachine |
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59 |
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60 QKeyEventTransition is part of \l{The State Machine Framework}. |
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61 |
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62 \sa QState::addTransition() |
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63 */ |
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64 |
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65 /*! |
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66 \property QKeyEventTransition::key |
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67 |
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68 \brief the key that this key event transition is associated with |
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69 */ |
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70 |
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71 /*! |
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72 \property QKeyEventTransition::modifierMask |
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73 |
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74 \brief the keyboard modifier mask that this key event transition checks for |
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75 */ |
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76 |
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77 class QKeyEventTransitionPrivate : public QEventTransitionPrivate |
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78 { |
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79 Q_DECLARE_PUBLIC(QKeyEventTransition) |
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80 public: |
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81 QKeyEventTransitionPrivate() {} |
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82 |
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83 QBasicKeyEventTransition *transition; |
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84 }; |
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85 |
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86 /*! |
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87 Constructs a new key event transition with the given \a sourceState. |
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88 */ |
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89 QKeyEventTransition::QKeyEventTransition(QState *sourceState) |
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90 : QEventTransition(*new QKeyEventTransitionPrivate, sourceState) |
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91 { |
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92 Q_D(QKeyEventTransition); |
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93 d->transition = new QBasicKeyEventTransition(); |
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94 } |
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95 |
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96 /*! |
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97 Constructs a new key event transition for events of the given \a type for |
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98 the given \a object, with the given \a key and \a sourceState. |
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99 */ |
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100 QKeyEventTransition::QKeyEventTransition(QObject *object, QEvent::Type type, |
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101 int key, QState *sourceState) |
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102 : QEventTransition(*new QKeyEventTransitionPrivate, object, type, sourceState) |
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103 { |
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104 Q_D(QKeyEventTransition); |
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105 d->transition = new QBasicKeyEventTransition(type, key); |
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106 } |
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107 |
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108 /*! |
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109 Destroys this key event transition. |
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110 */ |
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111 QKeyEventTransition::~QKeyEventTransition() |
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112 { |
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113 Q_D(QKeyEventTransition); |
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114 delete d->transition; |
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115 } |
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116 |
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117 /*! |
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118 Returns the key that this key event transition checks for. |
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119 */ |
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120 int QKeyEventTransition::key() const |
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121 { |
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122 Q_D(const QKeyEventTransition); |
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123 return d->transition->key(); |
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124 } |
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125 |
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126 /*! |
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127 Sets the key that this key event transition will check for. |
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128 */ |
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129 void QKeyEventTransition::setKey(int key) |
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130 { |
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131 Q_D(QKeyEventTransition); |
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132 d->transition->setKey(key); |
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133 } |
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134 |
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135 /*! |
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136 Returns the keyboard modifier mask that this key event transition checks |
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137 for. |
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138 */ |
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139 Qt::KeyboardModifiers QKeyEventTransition::modifierMask() const |
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140 { |
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141 Q_D(const QKeyEventTransition); |
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142 return d->transition->modifierMask(); |
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143 } |
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144 |
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145 /*! |
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146 Sets the keyboard modifier mask that this key event transition will |
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147 check for to \a modifierMask. |
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148 */ |
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149 void QKeyEventTransition::setModifierMask(Qt::KeyboardModifiers modifierMask) |
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150 { |
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151 Q_D(QKeyEventTransition); |
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152 d->transition->setModifierMask(modifierMask); |
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153 } |
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154 |
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155 /*! |
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156 \reimp |
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157 */ |
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158 bool QKeyEventTransition::eventTest(QEvent *event) |
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159 { |
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160 Q_D(const QKeyEventTransition); |
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161 if (!QEventTransition::eventTest(event)) |
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162 return false; |
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163 QStateMachine::WrappedEvent *we = static_cast<QStateMachine::WrappedEvent*>(event); |
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164 d->transition->setEventType(we->event()->type()); |
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165 return QAbstractTransitionPrivate::get(d->transition)->callEventTest(we->event()); |
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166 } |
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167 |
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168 /*! |
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169 \reimp |
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170 */ |
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171 void QKeyEventTransition::onTransition(QEvent *event) |
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172 { |
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173 QEventTransition::onTransition(event); |
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174 } |
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175 |
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176 QT_END_NAMESPACE |
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177 |
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178 #endif //QT_NO_STATEMACHINE |