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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 #include "qbasicmouseeventtransition_p.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 <QtGui/qevent.h> |
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47 #include <QtGui/qpainterpath.h> |
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48 #include <qdebug.h> |
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49 #include <private/qabstracttransition_p.h> |
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50 |
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51 QT_BEGIN_NAMESPACE |
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52 |
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53 /*! |
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54 \internal |
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55 \class QBasicMouseEventTransition |
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56 \since 4.6 |
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57 \ingroup statemachine |
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58 |
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59 \brief The QBasicMouseEventTransition class provides a transition for Qt mouse events. |
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60 */ |
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61 |
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62 class QBasicMouseEventTransitionPrivate : public QAbstractTransitionPrivate |
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63 { |
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64 Q_DECLARE_PUBLIC(QBasicMouseEventTransition) |
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65 public: |
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66 QBasicMouseEventTransitionPrivate(); |
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67 |
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68 static QBasicMouseEventTransitionPrivate *get(QBasicMouseEventTransition *q); |
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69 |
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70 QEvent::Type eventType; |
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71 Qt::MouseButton button; |
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72 Qt::KeyboardModifiers modifiersMask; |
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73 QPainterPath path; |
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74 }; |
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75 |
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76 QBasicMouseEventTransitionPrivate::QBasicMouseEventTransitionPrivate() |
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77 { |
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78 eventType = QEvent::None; |
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79 button = Qt::NoButton; |
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80 } |
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81 |
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82 QBasicMouseEventTransitionPrivate *QBasicMouseEventTransitionPrivate::get(QBasicMouseEventTransition *q) |
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83 { |
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84 return q->d_func(); |
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85 } |
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86 |
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87 /*! |
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88 Constructs a new mouse event transition with the given \a sourceState. |
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89 */ |
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90 QBasicMouseEventTransition::QBasicMouseEventTransition(QState *sourceState) |
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91 : QAbstractTransition(*new QBasicMouseEventTransitionPrivate, sourceState) |
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92 { |
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93 } |
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94 |
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95 /*! |
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96 Constructs a new mouse event transition for events of the given \a type. |
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97 */ |
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98 QBasicMouseEventTransition::QBasicMouseEventTransition(QEvent::Type type, |
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99 Qt::MouseButton button, |
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100 QState *sourceState) |
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101 : QAbstractTransition(*new QBasicMouseEventTransitionPrivate, sourceState) |
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102 { |
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103 Q_D(QBasicMouseEventTransition); |
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104 d->eventType = type; |
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105 d->button = button; |
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106 } |
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107 |
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108 /*! |
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109 Destroys this mouse event transition. |
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110 */ |
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111 QBasicMouseEventTransition::~QBasicMouseEventTransition() |
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112 { |
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113 } |
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114 |
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115 /*! |
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116 Returns the event type that this mouse event transition is associated with. |
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117 */ |
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118 QEvent::Type QBasicMouseEventTransition::eventType() const |
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119 { |
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120 Q_D(const QBasicMouseEventTransition); |
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121 return d->eventType; |
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122 } |
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123 |
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124 /*! |
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125 Sets the event \a type that this mouse event transition is associated with. |
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126 */ |
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127 void QBasicMouseEventTransition::setEventType(QEvent::Type type) |
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128 { |
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129 Q_D(QBasicMouseEventTransition); |
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130 d->eventType = type; |
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131 } |
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132 |
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133 /*! |
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134 Returns the button that this mouse event transition checks for. |
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135 */ |
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136 Qt::MouseButton QBasicMouseEventTransition::button() const |
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137 { |
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138 Q_D(const QBasicMouseEventTransition); |
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139 return d->button; |
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140 } |
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141 |
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142 /*! |
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143 Sets the button that this mouse event transition will check for. |
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144 */ |
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145 void QBasicMouseEventTransition::setButton(Qt::MouseButton button) |
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146 { |
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147 Q_D(QBasicMouseEventTransition); |
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148 d->button = button; |
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149 } |
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150 |
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151 /*! |
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152 Returns the keyboard modifiers mask that this mouse event transition checks |
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153 for. |
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154 */ |
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155 Qt::KeyboardModifiers QBasicMouseEventTransition::modifiersMask() const |
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156 { |
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157 Q_D(const QBasicMouseEventTransition); |
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158 return d->modifiersMask; |
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159 } |
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160 |
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161 /*! |
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162 Sets the keyboard modifiers mask that this mouse event transition will check |
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163 for. |
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164 */ |
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165 void QBasicMouseEventTransition::setModifiersMask(Qt::KeyboardModifiers modifiersMask) |
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166 { |
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167 Q_D(QBasicMouseEventTransition); |
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168 d->modifiersMask = modifiersMask; |
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169 } |
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170 |
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171 /*! |
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172 Returns the path for this mouse event transition. |
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173 */ |
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174 QPainterPath QBasicMouseEventTransition::path() const |
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175 { |
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176 Q_D(const QBasicMouseEventTransition); |
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177 return d->path; |
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178 } |
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179 |
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180 /*! |
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181 Sets the path for this mouse event transition. |
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182 */ |
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183 void QBasicMouseEventTransition::setPath(const QPainterPath &path) |
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184 { |
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185 Q_D(QBasicMouseEventTransition); |
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186 d->path = path; |
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187 } |
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188 |
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189 /*! |
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190 \reimp |
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191 */ |
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192 bool QBasicMouseEventTransition::eventTest(QEvent *event) |
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193 { |
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194 Q_D(const QBasicMouseEventTransition); |
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195 if (event->type() == d->eventType) { |
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196 QMouseEvent *me = static_cast<QMouseEvent*>(event); |
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197 return (me->button() == d->button) |
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198 && ((me->modifiers() & d->modifiersMask) == d->modifiersMask) |
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199 && (d->path.isEmpty() || d->path.contains(me->pos())); |
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200 } |
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201 return false; |
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202 } |
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203 |
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204 /*! |
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205 \reimp |
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206 */ |
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207 void QBasicMouseEventTransition::onTransition(QEvent *) |
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208 { |
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209 } |
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210 |
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211 QT_END_NAMESPACE |
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212 |
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213 #endif //QT_NO_STATEMACHINE |