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#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 <QtWaylandClient/private/qwayland-text.h>

QT_BEGIN_NAMESPACE

namespace QtWaylandClient {

class QWaylandDisplay;

class QWaylandTextInput : public QtWayland::wl_text_input
{
public:
    QWaylandTextInput(struct ::wl_text_input *text_input);

    QString commitString() const;

    void reset();
    void updateState();

protected:
    void text_input_preedit_string(uint32_t serial, const QString &text, const QString &commit) Q_DECL_OVERRIDE;
    void text_input_commit_string(uint32_t serial, const QString &text) Q_DECL_OVERRIDE;
    void text_input_enter(wl_surface *surface) Q_DECL_OVERRIDE;
    void text_input_leave() Q_DECL_OVERRIDE;
    void text_input_keysym(uint32_t serial, uint32_t time, uint32_t sym, uint32_t state, uint32_t modifiers);

private:
    QString m_commit;

    uint32_t m_serial;
    uint32_t m_resetSerial;
};

class QWaylandInputContext : public QPlatformInputContext
{
    Q_OBJECT
public:
    explicit QWaylandInputContext(QWaylandDisplay *display);

    bool isValid() const Q_DECL_OVERRIDE;

    void reset() Q_DECL_OVERRIDE;
    void commit() Q_DECL_OVERRIDE;
    void update(Qt::InputMethodQueries) Q_DECL_OVERRIDE;
    void invokeAction(QInputMethod::Action, int cursorPosition) Q_DECL_OVERRIDE;

    void showInputPanel() Q_DECL_OVERRIDE;
    void hideInputPanel() Q_DECL_OVERRIDE;
    bool isInputPanelVisible() const Q_DECL_OVERRIDE;

    void setFocusObject(QObject *object) Q_DECL_OVERRIDE;

private:
    bool ensureTextInput();

    QWaylandDisplay *mDisplay;
    QScopedPointer<QWaylandTextInput> mTextInput;
};

}

QT_END_NAMESPACE

#endif // QWAYLANDINPUTCONTEXT_H
