src/gui/inputmethod/qwininputcontext_p.h
author Alex Gilkes <alex.gilkes@nokia.com>
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/****************************************************************************
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**
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** Copyright (C) 2009 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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#ifndef QWININPUTCONTEXT_P_H
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#define QWININPUTCONTEXT_P_H
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//
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//  W A R N I N G
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//  -------------
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//
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// This file is not part of the Qt API.  It exists for the convenience
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// of qinputcontext.cpp.  This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include "QtGui/qinputcontext.h"
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#include "QtCore/qt_windows.h"
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#if defined(Q_CC_MINGW) && !defined(IMR_RECONVERTSTRING)
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typedef struct tagRECONVERTSTRING {
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    DWORD dwSize;
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    DWORD dwVersion;
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    DWORD dwStrLen;
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    DWORD dwStrOffset;
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    DWORD dwCompStrLen;
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    DWORD dwCompStrOffset;
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    DWORD dwTargetStrLen;
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    DWORD dwTargetStrOffset;
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} RECONVERTSTRING, *PRECONVERTSTRING;
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#endif
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QT_BEGIN_NAMESPACE
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class QWinInputContext : public QInputContext
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{
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    Q_OBJECT
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public:
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    explicit QWinInputContext(QObject* parent = 0);
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    virtual ~QWinInputContext();
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    virtual QString identifierName() { return QLatin1String("win"); }
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    virtual QString language();
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    virtual void reset();
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    virtual void update();
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    virtual void mouseHandler(int x, QMouseEvent *event);
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    virtual bool isComposing() const;
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    virtual void setFocusWidget(QWidget *w);
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    bool startComposition();
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    bool endComposition();
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    bool composition(LPARAM lparam);
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    int reconvertString(RECONVERTSTRING *reconv);
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    static void TranslateMessage(const MSG *msg);
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    static LRESULT DefWindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
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    static void updateImeStatus(QWidget *w, bool hasFocus);
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    static void enablePopupChild(QWidget *w, bool e);
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    static void enable(QWidget *w, bool e);
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private:
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    void init();
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    bool recursionGuard;
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};
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QT_END_NAMESPACE
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#endif // QWININPUTCONTEXT_P_H