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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "render_widget_host_view_qt_delegate_quickwindow.h"
#include "api/qquickwebengineview_p_p.h"
namespace QtWebEngineCore {
static inline QPoint getOffset(QQuickItem *item)
{
// get parent window (scene) offset
QPointF offset = item->mapFromScene(QPoint(0, 0));
offset = item->mapToGlobal(offset);
// get local offset
offset -= item->mapToScene(QPoint(0, 0));
return offset.toPoint();
}
static inline QPointF transformPoint(const QPointF &point, const QTransform &transform,
const QPointF &offset, const QQuickItem *parent)
{
// make scene vector
QPointF a = point - offset;
// apply local transformation
a = transform.map(a);
// make screen coordinates
a = parent->mapFromScene(a);
a = parent->mapToGlobal(a);
return a;
}
RenderWidgetHostViewQtDelegateQuickWindow::RenderWidgetHostViewQtDelegateQuickWindow(
RenderWidgetHostViewQtDelegateItem *realDelegate, QWindow *parent)
: QQuickWindow(parent), m_realDelegate(realDelegate), m_virtualParent(nullptr), m_rotated(false)
{
setFlags(Qt::Tool | Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint | Qt::WindowDoesNotAcceptFocus);
realDelegate->setParentItem(contentItem());
}
RenderWidgetHostViewQtDelegateQuickWindow::~RenderWidgetHostViewQtDelegateQuickWindow()
{
if (m_realDelegate) {
m_realDelegate->setWidgetDelegate(nullptr);
m_realDelegate->setParentItem(nullptr);
}
}
void RenderWidgetHostViewQtDelegateQuickWindow::setVirtualParent(QQuickItem *virtualParent)
{
Q_ASSERT(virtualParent);
m_virtualParent = virtualParent;
}
// rect is window geometry in form of parent window offset + offset in scene coordinates
// chromium knows nothing about local transformation
void RenderWidgetHostViewQtDelegateQuickWindow::InitAsPopup(const QRect &rect)
{
m_rotated = m_virtualParent->rotation() > 0 || m_virtualParent->parentItem()->rotation() > 0;
if (m_rotated) {
// code below tries to cover the case where webengine view is rotated,
// the code assumes the rotation is in the form of 90, 180, 270 degrees
// to archive that we keep chromium unaware of transformation and we transform
// just the window content.
m_rect = rect;
// get parent window (scene) offset
QPointF offset = m_virtualParent->mapFromScene(QPoint(0, 0));
offset = m_virtualParent->mapToGlobal(offset);
// get local transform
QTransform transform = m_virtualParent->itemTransform(nullptr, nullptr);
QPointF tl = transformPoint(rect.topLeft(), transform, offset, m_virtualParent);
QPointF br = transformPoint(rect.bottomRight(), transform, offset, m_virtualParent);
QRectF popupRect(tl, br);
popupRect = popupRect.normalized();
// include offset from parent window
popupRect.moveTo(popupRect.topLeft() - offset);
setGeometry(popupRect.adjusted(0, 0, 1, 1).toRect());
// add offset since screenRect and transformed popupRect one are different and
// we want to rotate in center.
m_realDelegate->setX(-rect.width() / 2.0 + geometry().width() / 2.0);
m_realDelegate->setY(-rect.height() / 2.0 + geometry().height() / 2.0);
m_realDelegate->setTransformOrigin(QQuickItem::Center);
m_realDelegate->setRotation(m_virtualParent->parentItem()->rotation());
} else {
QRect geometry(rect);
geometry.moveTo(rect.topLeft() - getOffset(m_virtualParent));
setGeometry(geometry);
}
m_realDelegate->show();
raise();
show();
}
void RenderWidgetHostViewQtDelegateQuickWindow::Resize(int width, int height)
{
if (!m_rotated)
QQuickWindow::resize(width, height);
}
void RenderWidgetHostViewQtDelegateQuickWindow::MoveWindow(const QPoint &screenPos)
{
if (!m_rotated)
QQuickWindow::setPosition(screenPos - getOffset(m_virtualParent));
}
void RenderWidgetHostViewQtDelegateQuickWindow::SetClearColor(const QColor &color)
{
QQuickWindow::setColor(color);
}
bool RenderWidgetHostViewQtDelegateQuickWindow::ActiveFocusOnPress()
{
return false;
}
void RenderWidgetHostViewQtDelegateQuickWindow::Bind(QtWebEngineCore::WebContentsAdapterClient *client)
{
QQuickWebEngineViewPrivate::bindViewAndDelegateItem(
static_cast<QQuickWebEngineViewPrivate *>(client), m_realDelegate.data());
}
void RenderWidgetHostViewQtDelegateQuickWindow::Unbind()
{
QQuickWebEngineViewPrivate::bindViewAndDelegateItem(nullptr, m_realDelegate.data());
}
void RenderWidgetHostViewQtDelegateQuickWindow::Destroy()
{
deleteLater();
}
} // namespace QtWebEngineCore
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