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 | 455 |
1 files changed, 455 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..23e5bc935 --- /dev/null +++ b/src/core/render_widget_host_view_qt_delegate_item.cpp @@ -0,0 +1,455 @@ +// 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_item.h" + +#include "render_widget_host_view_qt_delegate_client.h" + +#include <QtGui/qevent.h> +#include <QtGui/qguiapplication.h> +#include <QtGui/qwindow.h> +#include <QtQuick/qsgimagenode.h> + +#if QT_CONFIG(accessibility) +#include <QtGui/qaccessible.h> +#endif + +namespace QtWebEngineCore { + +RenderWidgetHostViewQtDelegateItem::RenderWidgetHostViewQtDelegateItem(RenderWidgetHostViewQtDelegateClient *client, bool isPopup) + : m_client(client) + , m_isPopup(isPopup) +{ + setFlag(ItemHasContents); + setAcceptedMouseButtons(Qt::AllButtons); + setKeepMouseGrab(true); + setAcceptHoverEvents(true); + setAcceptTouchEvents(true); + setKeepTouchGrab(true); + if (!isPopup) { + setFocus(true); + setActiveFocusOnTab(true); + } + bind(client->compositorId()); +} + +RenderWidgetHostViewQtDelegateItem::~RenderWidgetHostViewQtDelegateItem() +{ + releaseTextureResources(); + 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); + if (focusEvent.object()) + focusEvent.setChild(-1); + 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) +{ + event->ignore(); + if ((!m_isPopup && m_widgetDelegate && !m_widgetDelegate->ActiveFocusOnPress()) + || event->position() == event->oldPosF()) { + return; + } + m_client->forwardEvent(event); +} + +void RenderWidgetHostViewQtDelegateItem::hoverLeaveEvent(QHoverEvent *event) +{ + event->ignore(); + 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 : std::as_const(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, &QQuickWindow::afterFrameEnd, this, + &RenderWidgetHostViewQtDelegateItem::onAfterFrameEnd, + Qt::DirectConnection)); + m_windowConnections.append(connect(value.window, SIGNAL(xChanged(int)), SLOT(onWindowPosChanged()))); + m_windowConnections.append( + connect(value.window, SIGNAL(yChanged(int)), SLOT(onWindowPosChanged()))); + m_windowConnections.append( + connect(value.window, &QQuickWindow::sceneGraphAboutToStop, this, + &RenderWidgetHostViewQtDelegateItem::releaseTextureResources, + Qt::DirectConnection)); + 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 oldNode; + + QQuickWindow *win = QQuickItem::window(); + + QSGImageNode *node = nullptr; + // Delete old node before swapFrame to decrement refcount of + // QImage in software mode. + if (comp->type() == Compositor::Type::Software) + delete oldNode; + else + node = static_cast<QSGImageNode*>(oldNode); + + if (!node) { + 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)); + + QQuickWindow::CreateTextureOptions texOpts; + if (comp->requiresAlphaChannel() || m_clearColor.alpha() < 255) + texOpts.setFlag(QQuickWindow::TextureHasAlphaChannel); + else + texOpts.setFlag(QQuickWindow::TextureIsOpaque); + QSGTexture *texture = comp->texture(win, texOpts); + if (texture) { + node->setTexture(texture); + if (comp->textureIsFlipped()) + node->setTextureCoordinatesTransform(QSGImageNode::MirrorVertically); + } else { + if (!oldNode || comp->type() == Compositor::Type::Software) { + qDebug("Compositor returned null texture"); + delete node; + return nullptr; + } + } + + return node; +} + +void RenderWidgetHostViewQtDelegateItem::onBeforeRendering() +{ + auto comp = compositor(); + if (!comp || comp->type() == Compositor::Type::Software) + return; + comp->waitForTexture(); +} + +void RenderWidgetHostViewQtDelegateItem::onAfterFrameEnd() +{ + auto comp = compositor(); + if (!comp || comp->type() != Compositor::Type::Native) + return; + comp->releaseTexture(); +} + +void RenderWidgetHostViewQtDelegateItem::onWindowPosChanged() +{ + m_client->visualPropertiesChanged(); +} + +void RenderWidgetHostViewQtDelegateItem::onHide() +{ + QFocusEvent event(QEvent::FocusOut, Qt::OtherFocusReason); + m_client->forwardEvent(&event); +} + +void RenderWidgetHostViewQtDelegateItem::releaseTextureResources() +{ + auto comp = compositor(); + if (!comp || comp->type() != Compositor::Type::Native) + return; + + comp->releaseResources(); +} + +void RenderWidgetHostViewQtDelegateItem::adapterClientChanged(WebContentsAdapterClient *client) +{ + m_adapterClient = client; + if (m_widgetDelegate) + m_widgetDelegate->Bind(client); +} + +void RenderWidgetHostViewQtDelegateItem::updateAdapterClientIfNeeded(WebContentsAdapterClient *client) +{ + if (client == m_adapterClient) + return; + adapterClientChanged(client); +} + +void RenderWidgetHostViewQtDelegateItem::unhandledWheelEvent(QWheelEvent *ev) +{ + if (m_widgetDelegate) + m_widgetDelegate->unhandledWheelEvent(ev); +} + +} // namespace QtWebEngineCore |