qwaylandinputcontext_p.h

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// Copyright (C) 2016 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
 
#ifndef QWAYLANDINPUTCONTEXT_H
#define QWAYLANDINPUTCONTEXT_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
 
#include <qpa/qplatforminputcontext.h>
 
#include <QPointer>
 
#include "qwaylandtextinputinterface_p.h"
#include <qtwaylandclientglobal_p.h>
#if QT_CONFIG(xkbcommon)
#include <xkbcommon/xkbcommon-compose.h>
#endif
 
struct wl_callback;
struct wl_callback_listener;
 
QT_BEGIN_NAMESPACE
 
namespace QtWaylandClient {
 
class QWaylandDisplay;
 
class QWaylandInputContext : public QPlatformInputContext
{
    Q_OBJECT
public:
    explicit QWaylandInputContext(QWaylandDisplay *display);
    ~QWaylandInputContext() override;
 
    bool isValid() const override;
 
    void reset() override;
    void commit() override;
    void update(Qt::InputMethodQueries) override;
 
    void invokeAction(QInputMethod::Action, int cursorPosition) override;
 
    void showInputPanel() override;
    void hideInputPanel() override;
    bool isInputPanelVisible() const override;
    QRectF keyboardRect() const override;
 
    QLocale locale() const override;
    Qt::LayoutDirection inputDirection() const override;
 
    void setFocusObject(QObject *object) override;
 
#if QT_CONFIG(xkbcommon)
    bool filterEvent(const QEvent *event) override;
 
    // This invokable is called from QXkbCommon::setXkbContext().
    Q_INVOKABLE void setXkbContext(struct xkb_context *context) { m_XkbContext = context; }
#endif
 
private:
    QWaylandTextInputInterface *textInput() const;
 
    QWaylandDisplay *mDisplay = nullptr;
    QPointer<QWindow> mCurrentWindow;
 
#if QT_CONFIG(xkbcommon)
    void ensureInitialized();
 
    bool m_initialized = false;
    QObject *m_focusObject = nullptr;
    xkb_compose_table *m_composeTable = nullptr;
    xkb_compose_state *m_composeState = nullptr;
    struct xkb_context *m_XkbContext = nullptr;
#endif
};
 
}
 
QT_END_NAMESPACE
 
#endif // QWAYLANDINPUTCONTEXT_H