1/****************************************************************************
2**
3** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
4** Contact: http://www.qt-project.org/legal
5**
6** This file is part of the QtGui module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Digia. For licensing terms and
14** conditions see http://qt.digia.com/licensing. For further information
15** use the contact form at http://qt.digia.com/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 2.1 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 2.1 requirements
23** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
24**
25** In addition, as a special exception, Digia gives you certain additional
26** rights. These rights are described in the Digia Qt LGPL Exception
27** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28**
29** GNU General Public License Usage
30** Alternatively, this file may be used under the terms of the GNU
31** General Public License version 3.0 as published by the Free Software
32** Foundation and appearing in the file LICENSE.GPL included in the
33** packaging of this file. Please review the following information to
34** ensure the GNU General Public License version 3.0 requirements will be
35** met: http://www.gnu.org/copyleft/gpl.html.
36**
37**
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42/****************************************************************************
43**
44** Definition of QInputContext class
45**
46** Copyright (C) 2003-2004 immodule for Qt Project. All rights reserved.
47**
48** This file is written to contribute to Nokia Corporation and/or its subsidiary(-ies) under their own
49** license. You may use this file under your Qt license. Following
50** description is copied from their original file headers. Contact
51** immodule-qt@freedesktop.org if any conditions of this licensing are
52** not clear to you.
53**
54****************************************************************************/
55
56#ifndef QINPUTCONTEXT_H
57#define QINPUTCONTEXT_H
58
59#include <QtCore/qobject.h>
60#include <QtCore/qglobal.h>
61#include <QtCore/qconfig.h>
62#include <QtGui/qevent.h>
63#include <QtCore/qstring.h>
64#include <QtCore/qlist.h>
65#include <QtGui/qaction.h>
66
67#ifndef QT_NO_IM
68
69QT_BEGIN_HEADER
70
71QT_BEGIN_NAMESPACE
72
73QT_MODULE(Gui)
74
75class QWidget;
76class QFont;
77class QPopupMenu;
78class QInputContextPrivate;
79#ifdef Q_OS_SYMBIAN
80class QSymbianEvent;
81#endif
82
83class Q_GUI_EXPORT QInputContext : public QObject
84{
85 Q_OBJECT
86 Q_DECLARE_PRIVATE(QInputContext)
87public:
88 explicit QInputContext(QObject* parent = 0);
89 virtual ~QInputContext();
90
91 virtual QString identifierName() = 0;
92 virtual QString language() = 0;
93
94 virtual void reset() = 0;
95 virtual void update();
96
97 virtual void mouseHandler( int x, QMouseEvent *event);
98 virtual QFont font() const;
99 virtual bool isComposing() const = 0;
100
101 QWidget *focusWidget() const;
102 virtual void setFocusWidget( QWidget *w );
103
104 virtual void widgetDestroyed(QWidget *w);
105
106 virtual QList<QAction *> actions();
107
108#if defined(Q_WS_X11)
109 virtual bool x11FilterEvent( QWidget *keywidget, XEvent *event );
110#endif // Q_WS_X11
111#if defined(Q_OS_SYMBIAN)
112 virtual bool symbianFilterEvent( QWidget *keywidget, const QSymbianEvent *event );
113#endif // Q_OS_SYMBIAN
114 virtual bool filterEvent( const QEvent *event );
115
116 void sendEvent(const QInputMethodEvent &event);
117
118 enum StandardFormat {
119 PreeditFormat,
120 SelectionFormat
121 };
122 QTextFormat standardFormat(StandardFormat s) const;
123private:
124 friend class QWidget;
125 friend class QWidgetPrivate;
126 friend class QInputContextFactory;
127 friend class QApplication;
128private: // Disabled copy constructor and operator=
129 QInputContext( const QInputContext & );
130 QInputContext &operator=( const QInputContext & );
131
132};
133
134QT_END_NAMESPACE
135
136QT_END_HEADER
137
138#endif //Q_NO_IM
139
140#endif // QINPUTCONTEXT_H
141