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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) 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.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-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWASMSCREEN_H
#define QWASMSCREEN_H
#include "qwasmcursor.h"
#include <qpa/qplatformscreen.h>
#include <QtCore/qscopedpointer.h>
#include <QtCore/qtextstream.h>
#include <emscripten/val.h>
QT_BEGIN_NAMESPACE
class QPlatformOpenGLContext;
class QWasmWindow;
class QWasmBackingStore;
class QWasmCompositor;
class QWasmEventTranslator;
class QOpenGLContext;
class QWasmScreen : public QObject, public QPlatformScreen
{
Q_OBJECT
public:
QWasmScreen(const emscripten::val &canvas);
~QWasmScreen();
void destroy();
static QWasmScreen *get(QPlatformScreen *screen);
static QWasmScreen *get(QScreen *screen);
emscripten::val canvas() const;
QString canvasId() const;
QWasmCompositor *compositor();
QWasmEventTranslator *eventTranslator();
QRect geometry() const override;
int depth() const override;
QImage::Format format() const override;
QDpi logicalDpi() const override;
qreal devicePixelRatio() const override;
QString name() const override;
QPlatformCursor *cursor() const override;
void resizeMaximizedWindows();
QWindow *topWindow() const;
QWindow *topLevelAt(const QPoint &p) const override;
void invalidateSize();
void updateQScreenAndCanvasRenderSize();
void installCanvasResizeObserver();
static void canvasResizeObserverCallback(emscripten::val entries, emscripten::val);
public slots:
void setGeometry(const QRect &rect);
private:
emscripten::val m_canvas;
QWasmCompositor *m_compositor = nullptr;
QWasmEventTranslator *m_eventTranslator = nullptr;
QRect m_geometry = QRect(0, 0, 100, 100);
int m_depth = 32;
QImage::Format m_format = QImage::Format_RGB32;
QWasmCursor m_cursor;
static const char * m_canvasResizeObserverCallbackContextPropertyName;
};
QT_END_NAMESPACE
#endif // QWASMSCREEN_H
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