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/****************************************************************************
**
** Copyright (C) 2011 - 2012 Research In Motion <blackberry-qt@qnx.com>
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QBBINPUTCONTEXT_H
#define QBBINPUTCONTEXT_H
#include "imf/imf_client.h"
#include "imf/input_control.h"
#include <QtGui/QPlatformIntegration>
#include <qinputcontext.h>
QT_BEGIN_NAMESPACE
class QBBAbstractVirtualKeyboard;
class QBBInputContext : public QInputContext
{
public:
explicit QBBInputContext(QBBAbstractVirtualKeyboard &keyboard, QObject* parent = 0);
~QBBInputContext();
virtual QList<QAction *> actions();
virtual bool filterEvent(const QEvent * event);
virtual QFont font() const;
virtual QString identifierName();
virtual bool isComposing() const;
virtual QString language();
virtual void mouseHandler(int x, QMouseEvent * event);
virtual void reset();
virtual void setFocusWidget(QWidget * widget);
virtual void update();
virtual void widgetDestroyed(QWidget * widget);
bool handleKeyboardEvent(int flags, int sym, int mod, int scan, int cap);
protected:
// Filters only for IMF events.
bool eventFilter(QObject *obj, QEvent *event);
private:
// IMF Event dispatchers
bool dispatchFocusEvent(FocusEventId id, int hints = Qt::ImhNone);
bool dispatchRequestSoftwareInputPanel();
bool dispatchCloseSoftwareInputPanel();
int32_t processEvent(event_t* event);
void closeSession();
void openSession();
bool hasSession();
void endComposition();
void setComposingText(QString const& composingText);
bool hasSelectedText();
// IMF Event handlers - these events will come in from QCoreApplication.
int32_t onBeginBatchEdit(input_session_t* ic);
int32_t onClearMetaKeyStates(input_session_t* ic, int32_t states);
int32_t onCommitText(input_session_t* ic, spannable_string_t* text, int32_t new_cursor_position);
int32_t onDeleteSurroundingText(input_session_t* ic, int32_t left_length, int32_t right_length);
int32_t onEndBatchEdit(input_session_t* ic);
int32_t onFinishComposingText(input_session_t* ic);
int32_t onGetCursorCapsMode(input_session_t* ic, int32_t req_modes);
int32_t onGetCursorPosition(input_session_t* ic);
extracted_text_t* onGetExtractedText(input_session_t* ic, extracted_text_request_t* request, int32_t flags);
spannable_string_t* onGetSelectedText(input_session_t* ic, int32_t flags);
spannable_string_t* onGetTextAfterCursor(input_session_t* ic, int32_t n, int32_t flags);
spannable_string_t* onGetTextBeforeCursor(input_session_t* ic, int32_t n, int32_t flags);
int32_t onPerformEditorAction(input_session_t* ic, int32_t editor_action);
int32_t onReportFullscreenMode(input_session_t* ic, int32_t enabled);
int32_t onSendEvent(input_session_t* ic, event_t * event);
int32_t onSendAsyncEvent(input_session_t* ic, event_t * event);
int32_t onSetComposingRegion(input_session_t* ic, int32_t start, int32_t end);
int32_t onSetComposingText(input_session_t* ic, spannable_string_t* text, int32_t new_cursor_position);
int32_t onSetSelection(input_session_t* ic, int32_t start, int32_t end);
int32_t onForceUpdate();
int mLastCaretPos;
bool mIsComposing;
QString mComposingText;
QBBAbstractVirtualKeyboard &mVirtualKeyboard;
};
QT_END_NAMESPACE
#endif // QBBINPUTCONTEXT_H
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