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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef QWASMINPUTCONTEXT_H
#define QWASMINPUTCONTEXT_H
#include <qpa/qplatforminputcontext.h>
#include <private/qstdweb_p.h>
#include <QtCore/qloggingcategory.h>
#include <emscripten/bind.h>
#include <emscripten/html5.h>
#include <emscripten/emscripten.h>
QT_BEGIN_NAMESPACE
Q_DECLARE_LOGGING_CATEGORY(qLcQpaWasmInputContext)
class QWasmInputContext : public QPlatformInputContext
{
Q_DISABLE_COPY(QWasmInputContext)
Q_OBJECT
public:
explicit QWasmInputContext();
~QWasmInputContext() override;
void update(Qt::InputMethodQueries) override;
void showInputPanel() override;
void hideInputPanel() override;
bool isValid() const override { return true; }
const QString preeditString() { return m_preeditString; }
void setPreeditString(QString preeditStr, int replaceSize);
void insertPreedit();
void commitPreeditAndClear();
void insertText(QString inputStr, bool replace = false);
bool usingTextInput() const { return m_inputMethodAccepted; }
void setFocusObject(QObject *object) override;
void inputCallback(emscripten::val event);
void compositionEndCallback(emscripten::val event);
void compositionStartCallback(emscripten::val event);
void compositionUpdateCallback(emscripten::val event);
void updateGeometry();
bool isActive() const {
return m_focusObject && m_inputMethodAccepted;
}
private:
void updateInputElement();
private:
QString m_preeditString;
int m_replaceSize = 0;
bool m_inputMethodAccepted = false;
QObject *m_focusObject = nullptr;
emscripten::val m_inputElement = emscripten::val::null();
};
QT_END_NAMESPACE
#endif // QWASMINPUTCONTEXT_H
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