WebAssembly for QtBase

This is the squashed diff from wip/webassembly to dev.

Done-with: Peng Wu <peng.wu@intopalo.com>
Done-with: Sami Enne <sami.enne@intopalo.com>
Done-with: Morten Johan Sørvig <morten.sorvig@qt.io>
Started-by: Andrew Knight <andrew.knight@intopalo.com>
Change-Id: I6562433c0a38d6ec49ab675e0f104f2665f3392d
Reviewed-by: Lorn Potter <lorn.potter@gmail.com>
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>

1 files changed, 82 insertions, 0 deletions

diff --git a/src/plugins/platforms/wasm/qwasmscreen.h b/src/plugins/platforms/wasm/qwasmscreen.h
new file mode 100644
index 0000000000..3891db77bb
--- /dev/null
+++ b/src/plugins/platforms/wasm/qwasmscreen.h
@@ -0,0 +1,82 @@
+/****************************************************************************
+**
+** 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>
+
+QT_BEGIN_NAMESPACE
+
+class QPlatformOpenGLContext;
+class QWasmWindow;
+class QWasmBackingStore;
+class QWasmCompositor;
+class QOpenGLContext;
+
+class QWasmScreen : public QObject, public QPlatformScreen
+{
+    Q_OBJECT
+public:
+
+    QWasmScreen(QWasmCompositor *compositor);
+    ~QWasmScreen();
+
+    QRect geometry() const override;
+    int depth() const override;
+    QImage::Format format() const override;
+    qreal devicePixelRatio() const override;
+    QPlatformCursor *cursor() const override;
+
+    void resizeMaximizedWindows();
+    QWindow *topWindow() const;
+    QWindow *topLevelAt(const QPoint &p) const override;
+
+    void invalidateSize();
+
+public slots:
+    void setGeometry(const QRect &rect);
+protected:
+
+private:
+    QWasmCompositor *m_compositor;
+
+    QRect m_geometry = QRect(0, 0, 100, 100);
+    int m_depth;
+    QImage::Format m_format;
+    QWasmCursor m_cursor;
+};
+
+QT_END_NAMESPACE
+#endif // QWASMSCREEN_H