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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtWebEngine module 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "render_widget_host_view_qt_delegate_widget.h"
#include "qwebenginepage_p.h"
#include "qwebengineview.h"
#include <QLayout>
#include <QSGNode>
#include <private/qsgadaptationlayer_p.h>
#include <private/qsgcontext_p.h>
#include <private/qsgrenderer_p.h>
#include <private/qwidget_p.h>
RenderWidgetHostViewQtDelegateWidget::RenderWidgetHostViewQtDelegateWidget(RenderWidgetHostViewQtDelegateClient *client, QWidget *parent)
: QOpenGLWidget(parent)
, m_client(client)
, rootNode(new QSGRootNode)
, sgContext(QSGContext::createDefaultContext())
, sgRenderContext(new QSGRenderContext(sgContext.data()))
, m_isPopup(false)
{
setFocusPolicy(Qt::ClickFocus);
setMouseTracking(true);
setAttribute(Qt::WA_AcceptTouchEvents);
setAttribute(Qt::WA_OpaquePaintEvent);
setAttribute(Qt::WA_AlwaysShowToolTips);
}
void RenderWidgetHostViewQtDelegateWidget::initAsChild(WebContentsAdapterClient* container)
{
QWebEnginePagePrivate *pagePrivate = static_cast<QWebEnginePagePrivate *>(container);
if (pagePrivate->view) {
pagePrivate->view->layout()->addWidget(this);
QOpenGLWidget::show();
} else
setParent(0);
}
void RenderWidgetHostViewQtDelegateWidget::initAsPopup(const QRect& screenRect)
{
m_isPopup = true;
// The keyboard events are supposed to go to the parent RenderHostView
// so the WebUI popups should never have focus. Besides, if the parent view
// loses focus, WebKit will cause its associated popups (including this one)
// to be destroyed.
setAttribute(Qt::WA_ShowWithoutActivating);
setFocusPolicy(Qt::NoFocus);
setWindowFlags(Qt::ToolTip | Qt::FramelessWindowHint | Qt::WindowDoesNotAcceptFocus);
setGeometry(screenRect);
show();
}
QRectF RenderWidgetHostViewQtDelegateWidget::screenRect() const
{
return QRectF(x(), y(), width(), height());
}
void RenderWidgetHostViewQtDelegateWidget::setKeyboardFocus()
{
setFocus();
}
bool RenderWidgetHostViewQtDelegateWidget::hasKeyboardFocus()
{
return hasFocus();
}
void RenderWidgetHostViewQtDelegateWidget::show()
{
// Check if we're attached to a QWebEngineView, we don't
// want to show anything else than popups as top-level.
if (parent() || m_isPopup)
QOpenGLWidget::show();
}
void RenderWidgetHostViewQtDelegateWidget::hide()
{
QOpenGLWidget::hide();
}
bool RenderWidgetHostViewQtDelegateWidget::isVisible() const
{
return QOpenGLWidget::isVisible();
}
QWindow* RenderWidgetHostViewQtDelegateWidget::window() const
{
const QWidget* root = QOpenGLWidget::window();
return root ? root->windowHandle() : 0;
}
void RenderWidgetHostViewQtDelegateWidget::update()
{
updateGL();
}
void RenderWidgetHostViewQtDelegateWidget::updateCursor(const QCursor &cursor)
{
QOpenGLWidget::setCursor(cursor);
}
void RenderWidgetHostViewQtDelegateWidget::resize(int width, int height)
{
QOpenGLWidget::resize(width, height);
}
void RenderWidgetHostViewQtDelegateWidget::move(const QPoint &screenPos)
{
Q_ASSERT(m_isPopup);
QOpenGLWidget::move(screenPos);
}
void RenderWidgetHostViewQtDelegateWidget::inputMethodStateChanged(bool editorVisible)
{
if (qApp->inputMethod()->isVisible() == editorVisible)
return;
QOpenGLWidget::setAttribute(Qt::WA_InputMethodEnabled, editorVisible);
qApp->inputMethod()->update(Qt::ImQueryInput | Qt::ImEnabled | Qt::ImHints);
qApp->inputMethod()->setVisible(editorVisible);
}
void RenderWidgetHostViewQtDelegateWidget::setTooltip(const QString &tooltip)
{
setToolTip(tooltip);
}
QVariant RenderWidgetHostViewQtDelegateWidget::inputMethodQuery(Qt::InputMethodQuery query) const
{
return m_client->inputMethodQuery(query);
}
void RenderWidgetHostViewQtDelegateWidget::resizeEvent(QResizeEvent *resizeEvent)
{
QOpenGLWidget::resizeEvent(resizeEvent);
m_client->notifyResize();
}
bool RenderWidgetHostViewQtDelegateWidget::event(QEvent *event)
{
if (!m_client->forwardEvent(event))
return QOpenGLWidget::event(event);
return true;
}
void RenderWidgetHostViewQtDelegateWidget::initializeGL()
{
sgRenderContext->initialize(QOpenGLContext::currentContext());
sgRenderer.reset(sgRenderContext->createRenderer());
sgRenderer->setRootNode(rootNode.data());
}
void RenderWidgetHostViewQtDelegateWidget::paintGL()
{
QSGNode *paintNode = m_client->updatePaintNode(rootNode->firstChild(), sgRenderContext.data());
if (paintNode != rootNode->firstChild()) {
delete rootNode->firstChild();
rootNode->appendChildNode(paintNode);
}
rootNode->markDirty(QSGNode::DirtyForceUpdate); // Force matrix, clip and opacity update.
sgRenderer->nodeChanged(rootNode.data(), QSGNode::DirtyForceUpdate); // Force render list update.
sgRenderer->setDeviceRect(size());
sgRenderer->setViewportRect(size());
sgRenderer->setProjectionMatrixToRect(QRectF(QPointF(), size()));
sgRenderer->setClearColor(Qt::transparent);
sgRenderContext->renderNextFrame(sgRenderer.data(), defaultFramebufferObject());
}
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