diff options
Diffstat (limited to 'src/core/render_widget_host_view_qt_delegate_item.cpp')
-rw-r--r-- | src/core/render_widget_host_view_qt_delegate_item.cpp | 442 |
1 files changed, 442 insertions, 0 deletions
diff --git a/src/core/render_widget_host_view_qt_delegate_item.cpp b/src/core/render_widget_host_view_qt_delegate_item.cpp new file mode 100644 index 000000000..75ed57271 --- /dev/null +++ b/src/core/render_widget_host_view_qt_delegate_item.cpp @@ -0,0 +1,442 @@ +/**************************************************************************** +** +** Copyright (C) 2022 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** 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 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 Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or 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.GPL2 and 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-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "render_widget_host_view_qt_delegate_item.h" + +#include "render_widget_host_view_qt_delegate_client.h" + +#include <QGuiApplication> +#include <QMouseEvent> +#include <QSGImageNode> +#include <QWindow> + +namespace QtWebEngineCore { + +RenderWidgetHostViewQtDelegateItem::RenderWidgetHostViewQtDelegateItem(RenderWidgetHostViewQtDelegateClient *client, bool isPopup) + : m_client(client) + , m_isPopup(isPopup) +{ + setFlag(ItemHasContents); + setAcceptedMouseButtons(Qt::AllButtons); + setAcceptHoverEvents(true); + setAcceptTouchEvents(true); + if (!isPopup) { + setFocus(true); + setActiveFocusOnTab(true); + } + bind(client->compositorId()); +} + +RenderWidgetHostViewQtDelegateItem::~RenderWidgetHostViewQtDelegateItem() +{ + if (m_widgetDelegate) { + m_widgetDelegate->Unbind(); + m_widgetDelegate->Destroy(); + } +} + +void RenderWidgetHostViewQtDelegateItem::initAsPopup(const QRect &screenRect) +{ + Q_ASSERT(m_isPopup); + setSize(screenRect.size()); + if (m_widgetDelegate) + m_widgetDelegate->InitAsPopup(screenRect); +} + +QRectF RenderWidgetHostViewQtDelegateItem::viewGeometry() const +{ + // Transform the entire rect to find the correct top left corner. + const QPointF p1 = mapToGlobal(mapFromScene(QPointF(0, 0))); + const QPointF p2 = mapToGlobal(mapFromScene(QPointF(width(), height()))); + QRectF geometry = QRectF(p1, p2).normalized(); + // But keep the size untransformed to behave like other QQuickItems. + geometry.setSize(size()); + return geometry; +} + +QRect RenderWidgetHostViewQtDelegateItem::windowGeometry() const +{ + if (!Window()) + return QRect(); + return Window()->frameGeometry(); +} + +void RenderWidgetHostViewQtDelegateItem::setKeyboardFocus() +{ + setFocus(true); +} + +bool RenderWidgetHostViewQtDelegateItem::hasKeyboardFocus() +{ + return hasActiveFocus(); +} + +void RenderWidgetHostViewQtDelegateItem::lockMouse() +{ + grabMouse(); +} + +void RenderWidgetHostViewQtDelegateItem::unlockMouse() +{ + ungrabMouse(); +} + +void RenderWidgetHostViewQtDelegateItem::show() +{ + if (isVisible()) + m_client->notifyShown(); + else + setVisible(true); +} + +void RenderWidgetHostViewQtDelegateItem::hide() +{ + if (isVisible()) + setVisible(false); + else + m_client->notifyHidden(); +} + +bool RenderWidgetHostViewQtDelegateItem::isVisible() const +{ + return QQuickItem::isVisible(); +} + +QWindow *RenderWidgetHostViewQtDelegateItem::Window() const +{ + if (m_widgetDelegate) { + if (auto *window = m_widgetDelegate->Window()) + return window; + } + return QQuickItem::window(); +} + +void RenderWidgetHostViewQtDelegateItem::readyToSwap() +{ + // Call update() on UI thread. + QMetaObject::invokeMethod(this, &QQuickItem::update, Qt::QueuedConnection); +} + +void RenderWidgetHostViewQtDelegateItem::updateCursor(const QCursor &cursor) +{ + setCursor(cursor); +} + +void RenderWidgetHostViewQtDelegateItem::resize(int width, int height) +{ + setSize(QSizeF(width, height)); + if (m_widgetDelegate) + m_widgetDelegate->Resize(width, height); +} + +void RenderWidgetHostViewQtDelegateItem::move(const QPoint &point) +{ + if (m_widgetDelegate && m_isPopup) + m_widgetDelegate->MoveWindow(point); +} + +void RenderWidgetHostViewQtDelegateItem::inputMethodStateChanged(bool editorVisible, bool passwordInput) +{ + setFlag(QQuickItem::ItemAcceptsInputMethod, editorVisible && !passwordInput); + + if (parentItem()) + parentItem()->setFlag(QQuickItem::ItemAcceptsInputMethod, editorVisible && !passwordInput); + + if (m_widgetDelegate) + m_widgetDelegate->SetInputMethodEnabled(editorVisible && !passwordInput); + + qApp->inputMethod()->update(Qt::ImQueryInput | Qt::ImEnabled | Qt::ImHints); + if (qApp->inputMethod()->isVisible() != editorVisible) + qApp->inputMethod()->setVisible(editorVisible); +} + +void RenderWidgetHostViewQtDelegateItem::setWidgetDelegate(WidgetDelegate *delegate) +{ + Q_ASSERT(!m_widgetDelegate || !delegate); + m_widgetDelegate = delegate; + if (m_widgetDelegate) { + if (m_inputMethodHints) + m_widgetDelegate->SetInputMethodHints(m_inputMethodHints); + if (m_clearColor.isValid()) + m_widgetDelegate->SetClearColor(m_clearColor); + if (flags().testFlag(QQuickItem::ItemAcceptsInputMethod)) + m_widgetDelegate->SetInputMethodEnabled(true); + if (m_adapterClient) + m_widgetDelegate->Bind(m_adapterClient); + } +} + +void RenderWidgetHostViewQtDelegateItem::setInputMethodHints(Qt::InputMethodHints hints) +{ + m_inputMethodHints = hints; + if (m_widgetDelegate) + m_widgetDelegate->SetInputMethodHints(hints); +} + +void RenderWidgetHostViewQtDelegateItem::setClearColor(const QColor &color) +{ + m_clearColor = color; + if (m_widgetDelegate) + m_widgetDelegate->SetClearColor(color); +} + +bool RenderWidgetHostViewQtDelegateItem::event(QEvent *event) +{ + if (event->type() == QEvent::ShortcutOverride) + return m_client->forwardEvent(event); + +#if QT_CONFIG(gestures) + if (event->type() == QEvent::NativeGesture) + return m_client->forwardEvent(event); +#endif + + return QQuickItem::event(event); +} + +void RenderWidgetHostViewQtDelegateItem::focusInEvent(QFocusEvent *event) +{ +#if QT_CONFIG(accessibility) + if (QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(this)) { + if (auto *focusChild = iface->focusChild()) { + QAccessibleEvent focusEvent(focusChild, QAccessible::Focus); + QAccessible::updateAccessibility(&focusEvent); + } + } +#endif // QT_CONFIG(accessibility) + + m_client->forwardEvent(event); +} + +void RenderWidgetHostViewQtDelegateItem::focusOutEvent(QFocusEvent *event) +{ + m_client->forwardEvent(event); +} + +void RenderWidgetHostViewQtDelegateItem::mousePressEvent(QMouseEvent *event) +{ + if (!m_isPopup && m_widgetDelegate) { + if (m_widgetDelegate->ActiveFocusOnPress()) { + forceActiveFocus(); + } else { + event->ignore(); + return; + } + } + m_client->forwardEvent(event); +} + +void RenderWidgetHostViewQtDelegateItem::mouseMoveEvent(QMouseEvent *event) +{ + if (!m_isPopup && m_widgetDelegate && !m_widgetDelegate->ActiveFocusOnPress()) { + event->ignore(); + return; + } + m_client->forwardEvent(event); +} + +void RenderWidgetHostViewQtDelegateItem::mouseReleaseEvent(QMouseEvent *event) +{ + if (!m_isPopup && m_widgetDelegate && !m_widgetDelegate->ActiveFocusOnPress()) { + event->ignore(); + return; + } + m_client->forwardEvent(event); +} + +void RenderWidgetHostViewQtDelegateItem::keyPressEvent(QKeyEvent *event) +{ + m_client->forwardEvent(event); +} + +void RenderWidgetHostViewQtDelegateItem::keyReleaseEvent(QKeyEvent *event) +{ + m_client->forwardEvent(event); +} + +void RenderWidgetHostViewQtDelegateItem::wheelEvent(QWheelEvent *event) +{ + m_client->forwardEvent(event); +} + +void RenderWidgetHostViewQtDelegateItem::touchEvent(QTouchEvent *event) +{ + if (!m_isPopup && m_widgetDelegate) { + if (event->type() == QEvent::TouchBegin && m_widgetDelegate->ActiveFocusOnPress()) + forceActiveFocus(); + + if (!m_widgetDelegate->ActiveFocusOnPress()) { + event->ignore(); + return; + } + } + m_client->forwardEvent(event); +} + +void RenderWidgetHostViewQtDelegateItem::hoverMoveEvent(QHoverEvent *event) +{ + if ((!m_isPopup && m_widgetDelegate && !m_widgetDelegate->ActiveFocusOnPress()) + || event->position() == event->oldPosF()) { + event->ignore(); + return; + } + m_client->forwardEvent(event); +} + +void RenderWidgetHostViewQtDelegateItem::hoverLeaveEvent(QHoverEvent *event) +{ + m_client->forwardEvent(event); +} + +QVariant RenderWidgetHostViewQtDelegateItem::inputMethodQuery(Qt::InputMethodQuery query) const +{ + return m_client->inputMethodQuery(query); +} + +void RenderWidgetHostViewQtDelegateItem::inputMethodEvent(QInputMethodEvent *event) +{ + m_client->forwardEvent(event); +} + +void RenderWidgetHostViewQtDelegateItem::geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) +{ + QQuickItem::geometryChange(newGeometry, oldGeometry); + m_client->visualPropertiesChanged(); +} + +void RenderWidgetHostViewQtDelegateItem::itemChange(ItemChange change, const ItemChangeData &value) +{ + QQuickItem::itemChange(change, value); + if (change == QQuickItem::ItemSceneChange) { + for (const QMetaObject::Connection &c : qAsConst(m_windowConnections)) + disconnect(c); + m_windowConnections.clear(); + if (value.window) { + m_windowConnections.append(connect(value.window, &QQuickWindow::beforeRendering, + this, &RenderWidgetHostViewQtDelegateItem::onBeforeRendering, Qt::DirectConnection)); + m_windowConnections.append(connect(value.window, SIGNAL(xChanged(int)), SLOT(onWindowPosChanged()))); + m_windowConnections.append(connect(value.window, SIGNAL(yChanged(int)), SLOT(onWindowPosChanged()))); + if (!m_isPopup) + m_windowConnections.append(connect(value.window, SIGNAL(closing(QQuickCloseEvent *)), SLOT(onHide()))); + } + m_client->visualPropertiesChanged(); + } else if (change == QQuickItem::ItemVisibleHasChanged) { + if (value.boolValue) { + m_client->notifyShown(); + } else { + m_client->notifyHidden(); + if (!m_isPopup) + onHide(); + } + } +} + +QSGNode *RenderWidgetHostViewQtDelegateItem::updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *) +{ + auto comp = compositor(); + if (!comp) + return nullptr; + + QQuickWindow *win = QQuickItem::window(); + + // Delete old node before swapFrame to decrement refcount of + // QImage in software mode. + delete oldNode; + QSGImageNode *node = win->createImageNode(); + node->setOwnsTexture(true); + + comp->swapFrame(); + + QSize texSize = comp->size(); + QSizeF texSizeInDips = QSizeF(texSize) / comp->devicePixelRatio(); + node->setRect(QRectF(QPointF(0, 0), texSizeInDips)); + + if (comp->type() == Compositor::Type::Software) { + QImage image = comp->image(); + node->setTexture(win->createTextureFromImage(image)); +#if QT_CONFIG(opengl) + } else if (comp->type() == Compositor::Type::OpenGL) { + QQuickWindow::CreateTextureOptions texOpts; + if (comp->hasAlphaChannel()) + texOpts.setFlag(QQuickWindow::TextureHasAlphaChannel); + int texId = comp->textureId(); + node->setTexture(QNativeInterface::QSGOpenGLTexture::fromNative(texId, win, texSize, texOpts)); + node->setTextureCoordinatesTransform(QSGImageNode::MirrorVertically); +#endif + } else { + Q_UNREACHABLE(); + } + + return node; +} + +void RenderWidgetHostViewQtDelegateItem::onBeforeRendering() +{ + auto comp = compositor(); + if (!comp || comp->type() != Compositor::Type::OpenGL) + return; + comp->waitForTexture(); +} + +void RenderWidgetHostViewQtDelegateItem::onWindowPosChanged() +{ + m_client->visualPropertiesChanged(); +} + +void RenderWidgetHostViewQtDelegateItem::onHide() +{ + QFocusEvent event(QEvent::FocusOut, Qt::OtherFocusReason); + m_client->forwardEvent(&event); +} + +void RenderWidgetHostViewQtDelegateItem::adapterClientChanged(WebContentsAdapterClient *client) +{ + m_adapterClient = client; + if (m_widgetDelegate) + m_widgetDelegate->Bind(client); +} + +void RenderWidgetHostViewQtDelegateItem::unhandledWheelEvent(QWheelEvent *ev) +{ + if (QWindow *w = Window()) { + if (QWindow *p = w->parent()) + qApp->sendEvent(p, ev); + } +} + +} // namespace QtWebEngineCore |