diff options
Diffstat (limited to 'src/plugins/platforms/wasm/qwasmscreen.cpp')
-rw-r--r-- | src/plugins/platforms/wasm/qwasmscreen.cpp | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/plugins/platforms/wasm/qwasmscreen.cpp b/src/plugins/platforms/wasm/qwasmscreen.cpp new file mode 100644 index 0000000000..93e9906ffc --- /dev/null +++ b/src/plugins/platforms/wasm/qwasmscreen.cpp @@ -0,0 +1,118 @@ +/**************************************************************************** +** +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qwasmscreen.h" +#include "qwasmwindow.h" +#include "qwasmcompositor.h" + +#include <QtEglSupport/private/qeglconvenience_p.h> +#ifndef QT_NO_OPENGL +# include <QtEglSupport/private/qeglplatformcontext_p.h> +#endif +#include <qpa/qwindowsysteminterface.h> +#include <QtCore/qcoreapplication.h> +#include <QtGui/qguiapplication.h> +#include <private/qhighdpiscaling_p.h> + + +QT_BEGIN_NAMESPACE + +QWasmScreen::QWasmScreen(QWasmCompositor *compositor) + : m_compositor(compositor) + , m_depth(32) + , m_format(QImage::Format_RGB32) +{ + m_compositor->setScreen(this); +} + +QWasmScreen::~QWasmScreen() +{ + +} + +QRect QWasmScreen::geometry() const +{ + return m_geometry; +} + +int QWasmScreen::depth() const +{ + return m_depth; +} + +QImage::Format QWasmScreen::format() const +{ + return m_format; +} + +qreal QWasmScreen::devicePixelRatio() const +{ + // FIXME: The effective device pixel ratio may be different from the + // HTML window dpr if the OpenGL driver/GPU allocates a less than + // full resolution surface. Use emscripten_webgl_get_drawing_buffer_size() + // and compute the dpr instead. + double htmlWindowDpr = EM_ASM_DOUBLE({ + return window.devicePixelRatio; + }); + return qreal(htmlWindowDpr); +} + +QPlatformCursor *QWasmScreen::cursor() const +{ + return const_cast<QWasmCursor *>(&m_cursor); +} + +void QWasmScreen::resizeMaximizedWindows() +{ + QPlatformScreen::resizeMaximizedWindows(); +} + +QWindow *QWasmScreen::topWindow() const +{ + return m_compositor->keyWindow(); +} + +QWindow *QWasmScreen::topLevelAt(const QPoint &p) const +{ + return m_compositor->windowAt(p); +} + +void QWasmScreen::invalidateSize() +{ + m_geometry = QRect(); +} + +void QWasmScreen::setGeometry(const QRect &rect) +{ + m_geometry = rect; + QWindowSystemInterface::handleScreenGeometryChange(QPlatformScreen::screen(), geometry(), availableGeometry()); + resizeMaximizedWindows(); +} + +QT_END_NAMESPACE |