summaryrefslogtreecommitdiff
path: root/src/gui/statemachine/qbasickeyeventtransition.cpp
blob: 7336612d1c01835ad45ff840545b04d4e64254e1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the $MODULE$ of the Qt Toolkit.
**
** $TROLLTECH_DUAL_LICENSE$
**
****************************************************************************/

#include "qbasickeyeventtransition_p.h"
#include <QtGui/qevent.h>
#include <qdebug.h>

#if defined(QT_EXPERIMENTAL_SOLUTION)
# include "qabstracttransition_p.h"
#else
# include <private/qabstracttransition_p.h>
#endif


QT_BEGIN_NAMESPACE

/*!
  \internal
  \class QBasicKeyEventTransition

  \brief The QBasicKeyEventTransition class provides a transition for Qt key events.
*/

class QBasicKeyEventTransitionPrivate : public QAbstractTransitionPrivate
{
    Q_DECLARE_PUBLIC(QBasicKeyEventTransition)
public:
    QBasicKeyEventTransitionPrivate();

    static QBasicKeyEventTransitionPrivate *get(QBasicKeyEventTransition *q);

    QEvent::Type eventType;
    int key;
    Qt::KeyboardModifiers modifiersMask;
};

QBasicKeyEventTransitionPrivate::QBasicKeyEventTransitionPrivate()
{
    eventType = QEvent::None;
    key = 0;
    modifiersMask = Qt::NoModifier;
}

QBasicKeyEventTransitionPrivate *QBasicKeyEventTransitionPrivate::get(QBasicKeyEventTransition *q)
{
    return q->d_func();
}

/*!
  Constructs a new key event transition with the given \a sourceState.
*/
QBasicKeyEventTransition::QBasicKeyEventTransition(QState *sourceState)
    : QAbstractTransition(*new QBasicKeyEventTransitionPrivate, sourceState)
{
}

/*!
  Constructs a new event transition for events of the given \a type for the
  given \a key, with the given \a sourceState.
*/
QBasicKeyEventTransition::QBasicKeyEventTransition(QEvent::Type type, int key,
                                                   QState *sourceState)
    : QAbstractTransition(*new QBasicKeyEventTransitionPrivate, sourceState)
{
    Q_D(QBasicKeyEventTransition);
    d->eventType = type;
    d->key = key;
}

/*!
  Constructs a new event transition for events of the given \a type for the
  given \a key, with the given \a modifiersMask and \a sourceState.
*/
QBasicKeyEventTransition::QBasicKeyEventTransition(QEvent::Type type, int key,
                                                   Qt::KeyboardModifiers modifiersMask,
                                                   QState *sourceState)
    : QAbstractTransition(*new QBasicKeyEventTransitionPrivate, sourceState)
{
    Q_D(QBasicKeyEventTransition);
    d->eventType = type;
    d->key = key;
    d->modifiersMask = modifiersMask;
}

/*!
  Destroys this event transition.
*/
QBasicKeyEventTransition::~QBasicKeyEventTransition()
{
}

/*!
  Returns the event type that this key event transition is associated with.
*/
QEvent::Type QBasicKeyEventTransition::eventType() const
{
    Q_D(const QBasicKeyEventTransition);
    return d->eventType;
}

/*!
  Sets the event \a type that this key event transition is associated with.
*/
void QBasicKeyEventTransition::setEventType(QEvent::Type type)
{
    Q_D(QBasicKeyEventTransition);
    d->eventType = type;
}

/*!
  Returns the key that this key event transition checks for.
*/
int QBasicKeyEventTransition::key() const
{
    Q_D(const QBasicKeyEventTransition);
    return d->key;
}

/*!
  Sets the key that this key event transition will check for.
*/
void QBasicKeyEventTransition::setKey(int key)
{
    Q_D(QBasicKeyEventTransition);
    d->key = key;
}

/*!
  Returns the keyboard modifiers mask that this key event transition checks
  for.
*/
Qt::KeyboardModifiers QBasicKeyEventTransition::modifiersMask() const
{
    Q_D(const QBasicKeyEventTransition);
    return d->modifiersMask;
}

/*!
  Sets the keyboard modifiers mask that this key event transition will check
  for.
*/
void QBasicKeyEventTransition::setModifiersMask(Qt::KeyboardModifiers modifiersMask)
{
    Q_D(QBasicKeyEventTransition);
    d->modifiersMask = modifiersMask;
}

/*!
  \reimp
*/
bool QBasicKeyEventTransition::eventTest(QEvent *event)
{
    Q_D(const QBasicKeyEventTransition);
    if (event->type() == d->eventType) {
        QKeyEvent *ke = static_cast<QKeyEvent*>(event);
        return (ke->key() == d->key)
            && ((ke->modifiers() & d->modifiersMask) == d->modifiersMask);
    }
    return false;
}

/*!
  \reimp
*/
void QBasicKeyEventTransition::onTransition(QEvent *)
{
}

QT_END_NAMESPACE