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/***************************************************************************
**
** Copyright (C) 2013 BlackBerry Limited. All rights reserved.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QQNXINPUTCONTEXT_H
#define QQNXINPUTCONTEXT_H
#include <qpa/qplatforminputcontext.h>
#include "qqnxscreeneventfilter.h"
#include <QtCore/QLocale>
#include <QtCore/QMetaType>
#include <QtCore/QList>
#include <qpa/qplatformintegration.h>
#include "imf/imf_client.h"
#include "imf/input_control.h"
QT_BEGIN_NAMESPACE
class QQnxAbstractVirtualKeyboard;
class QQnxIntegration;
class QQnxImfRequest;
class QQnxInputContext : public QPlatformInputContext, public QQnxScreenEventFilter
{
Q_OBJECT
public:
explicit QQnxInputContext(QQnxIntegration *integration, QQnxAbstractVirtualKeyboard &keyboard);
~QQnxInputContext();
// Indices for selecting and setting highlight colors.
enum HighlightIndex {
ActiveRegion,
AutoCorrected,
Reverted,
};
bool isValid() const;
bool filterEvent(const QEvent *event);
QRectF keyboardRect() const;
void reset();
void commit();
void update(Qt::InputMethodQueries);
bool handleKeyboardEvent(int flags, int sym, int mod, int scan, int cap, int sequenceId);
void showInputPanel();
void hideInputPanel();
bool isInputPanelVisible() const;
QLocale locale() const;
void setFocusObject(QObject *object);
static void setHighlightColor(int index, const QColor &color);
static bool checkSpelling(const QString &text, void *context, void (*spellCheckDone)(void *context, const QString &text, const QList<int> &indices));
private Q_SLOTS:
void keyboardVisibilityChanged(bool visible);
void keyboardLocaleChanged(const QLocale &locale);
void processImfEvent(QQnxImfRequest *event);
private:
// IMF Event dispatchers
bool dispatchFocusGainEvent(int inputHints);
void dispatchFocusLossEvent();
bool dispatchRequestSoftwareInputPanel();
bool dispatchCloseSoftwareInputPanel();
int handleSpellCheck(spell_check_event_t *event);
int32_t processEvent(event_t *event);
void closeSession();
bool openSession();
bool hasSession();
void updateCursorPosition();
void endComposition();
void finishComposingText();
bool hasSelectedText();
void updateComposition(spannable_string_t *text, int32_t new_cursor_position);
// IMF Event handlers - these events will come in from QCoreApplication.
int32_t onCommitText(spannable_string_t *text, int32_t new_cursor_position);
int32_t onDeleteSurroundingText(int32_t left_length, int32_t right_length);
int32_t onGetCursorCapsMode(int32_t req_modes);
int32_t onFinishComposingText();
int32_t onGetCursorPosition();
spannable_string_t *onGetTextAfterCursor(int32_t n, int32_t flags);
spannable_string_t *onGetTextBeforeCursor(int32_t n, int32_t flags);
int32_t onSendEvent(event_t *event);
int32_t onSetComposingRegion(int32_t start, int32_t end);
int32_t onSetComposingText(spannable_string_t *text, int32_t new_cursor_position);
int32_t onIsTextSelected(int32_t* pIsSelected);
int32_t onIsAllTextSelected(int32_t* pIsSelected);
int32_t onForceUpdate();
int m_caretPosition;
bool m_isComposing;
QString m_composingText;
bool m_isUpdatingText;
bool m_inputPanelVisible;
QLocale m_inputPanelLocale;
// The object that had focus when the last highlight color was set.
QObject *m_focusObject;
// Indexed by HighlightIndex
QColor m_highlightColor[3];
QQnxIntegration *m_integration;
QQnxAbstractVirtualKeyboard &m_virtualKeyboard;
};
QT_END_NAMESPACE
#endif // QQNXINPUTCONTEXT_H
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