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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWAYLANDTEXTINPUTV4_P_H
#define QWAYLANDTEXTINPUTV4_P_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 "qwaylandtextinputinterface_p.h"
#include <QtWaylandClient/private/qwayland-text-input-unstable-v4-wip.h>
#include <qwaylandinputmethodeventbuilder_p.h>
struct wl_callback;
struct wl_callback_listener;
QT_BEGIN_NAMESPACE
Q_DECLARE_LOGGING_CATEGORY(qLcQpaWaylandTextInput)
namespace QtWaylandClient {
class QWaylandDisplay;
class QWaylandTextInputv4 : public QtWayland::zwp_text_input_v4, public QWaylandTextInputInterface
{
public:
QWaylandTextInputv4(QWaylandDisplay *display, struct ::zwp_text_input_v4 *text_input);
~QWaylandTextInputv4() override;
void reset() override;
void commit() override;
void updateState(Qt::InputMethodQueries queries, uint32_t flags) override;
// TODO: not supported yet
void setCursorInsidePreedit(int cursor) override;
bool isInputPanelVisible() const override;
QRectF keyboardRect() const override;
QLocale locale() const override;
Qt::LayoutDirection inputDirection() const override;
void enableSurface(::wl_surface *surface) override;
void disableSurface(::wl_surface *surface) override;
protected:
void zwp_text_input_v4_enter(struct ::wl_surface *surface) override;
void zwp_text_input_v4_leave(struct ::wl_surface *surface) override;
void zwp_text_input_v4_preedit_string(const QString &text, int32_t cursor_begin, int32_t cursor_end) override;
void zwp_text_input_v4_commit_string(const QString &text) override;
void zwp_text_input_v4_delete_surrounding_text(uint32_t before_length, uint32_t after_length) override;
void zwp_text_input_v4_done(uint32_t serial) override;
private:
QWaylandDisplay *m_display;
QWaylandInputMethodEventBuilder m_builder;
::wl_surface *m_surface = nullptr; // ### Here for debugging purposes
struct PreeditInfo {
QString text;
int cursorBegin = 0;
int cursorEnd = 0;
void clear() {
text.clear();
cursorBegin = 0;
cursorEnd = 0;
}
};
PreeditInfo m_pendingPreeditString;
PreeditInfo m_currentPreeditString;
QString m_pendingCommitString;
uint m_pendingDeleteBeforeText = 0;
uint m_pendingDeleteAfterText = 0;
QString m_surroundingText;
int m_cursor; // cursor position in QString
int m_cursorPos; // cursor position in wayland index
int m_anchorPos; // anchor position in wayland index
uint32_t m_contentHint = 0;
uint32_t m_contentPurpose = 0;
QRect m_cursorRect;
uint m_currentSerial = 0;
bool m_condReselection = false;
};
}
QT_END_NAMESPACE
#endif // QWAYLANDTEXTINPUTV4_P_H
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