summaryrefslogtreecommitdiffstats
path: root/src/gui/kernel/qkeymapper.cpp
blob: 5c9d1b069e4ec99c60ce83fc97d1c9b2b7acb226 (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
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/


#include "qapplication.h"

#include <private/qobject_p.h>
#include "qkeymapper_p.h"
#include <qwidget.h>

QT_BEGIN_NAMESPACE

/*!
    \class QKeyMapper
    \since 4.2
    \ingroup application
    \internal

    \sa QObject
*/

/*!
    Constructs a new key mapper.
*/
QKeyMapper::QKeyMapper()
    : QObject(*new QKeyMapperPrivate, 0)
{
}

/*!
    Destroys the key mapper.
*/
QKeyMapper::~QKeyMapper()
{
}

QList<int> QKeyMapper::possibleKeys(QKeyEvent *e)
{
    QList<int> result;

    if (!e->nativeScanCode()) {
        if (e->key() && (e->key() != Qt::Key_unknown))
            result << int(e->key() + e->modifiers());
        else if (!e->text().isEmpty())
            result << int(e->text().at(0).unicode() + e->modifiers());
        return result;
    }

    return instance()->d_func()->possibleKeys(e);
}

extern bool qt_sendSpontaneousEvent(QObject *receiver, QEvent *event); // in qapplication_*.cpp
void QKeyMapper::changeKeyboard()
{
    instance()->d_func()->clearMappings();

    // inform all toplevel widgets of the change
    QEvent e(QEvent::KeyboardLayoutChange);
    QWidgetList list = QApplication::topLevelWidgets();
    for (int i = 0; i < list.size(); ++i) {
        QWidget *w = list.at(i);
        qt_sendSpontaneousEvent(w, &e);
    }
}

Q_GLOBAL_STATIC(QKeyMapper, keymapper)
/*!
    Returns the pointer to the single instance of QKeyMapper in the application.
    If none yet exists, the function ensures that one is created.
*/
QKeyMapper *QKeyMapper::instance()
{
    return keymapper();
}

QKeyMapperPrivate *qt_keymapper_private()
{
    return QKeyMapper::instance()->d_func();
}

Q_GUI_EXPORT QList<int> qt_keymapper_possibleKeys(QKeyEvent *e) { return QKeyMapper::instance()->possibleKeys(e); }

QT_END_NAMESPACE