src/gui/inputmethod/qinputcontext.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 19 Feb 2010 23:40:16 +0200
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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/****************************************************************************
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**
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** Definition of QInputContext class
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**
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** Copyright (C) 2003-2004 immodule for Qt Project.  All rights reserved.
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**
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** This file is written to contribute to Nokia Corporation and/or its subsidiary(-ies) under their own
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** license. You may use this file under your Qt license. Following
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** description is copied from their original file headers. Contact
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** immodule-qt@freedesktop.org if any conditions of this licensing are
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** not clear to you.
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**
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****************************************************************************/
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#ifndef QINPUTCONTEXT_H
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#define QINPUTCONTEXT_H
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#include <QtCore/qobject.h>
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#include <QtCore/qglobal.h>
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#include <QtGui/qevent.h>
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#include <QtCore/qstring.h>
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#include <QtCore/qlist.h>
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#include <QtGui/qaction.h>
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#ifndef QT_NO_IM
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Gui)
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class QWidget;
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class QFont;
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class QPopupMenu;
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class QInputContextPrivate;
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#ifdef Q_OS_SYMBIAN
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class QSymbianEvent;
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#endif
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class Q_GUI_EXPORT QInputContext : public QObject
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{
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    Q_OBJECT
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    Q_DECLARE_PRIVATE(QInputContext)
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public:
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    explicit QInputContext(QObject* parent = 0);
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    virtual ~QInputContext();
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    virtual QString identifierName() = 0;
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    virtual QString language() = 0;
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    virtual void reset() = 0;
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    virtual void update();
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    virtual void mouseHandler( int x, QMouseEvent *event);
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    virtual QFont font() const;
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    virtual bool isComposing() const = 0;
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    QWidget *focusWidget() const;
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    virtual void setFocusWidget( QWidget *w );
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    virtual void widgetDestroyed(QWidget *w);
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    virtual QList<QAction *> actions();
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#if defined(Q_WS_X11)
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    virtual bool x11FilterEvent( QWidget *keywidget, XEvent *event );
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#endif // Q_WS_X11
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#if defined(Q_OS_SYMBIAN)
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    virtual bool symbianFilterEvent( QWidget *keywidget, const QSymbianEvent *event );
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#endif // Q_OS_SYMBIAN
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    virtual bool filterEvent( const QEvent *event );
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    void sendEvent(const QInputMethodEvent &event);
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    enum StandardFormat {
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        PreeditFormat,
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        SelectionFormat
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    };
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    QTextFormat standardFormat(StandardFormat s) const;
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private:
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    friend class QWidget;
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    friend class QWidgetPrivate;
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    friend class QInputContextFactory;
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    friend class QApplication;
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private:   // Disabled copy constructor and operator=
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    QInputContext( const QInputContext & );
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    QInputContext &operator=( const QInputContext & );
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};
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif //Q_NO_IM
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#endif // QINPUTCONTEXT_H