diff options
Diffstat (limited to 'src/webenginewidgets')
3 files changed, 31 insertions, 2 deletions
diff --git a/src/webenginewidgets/api/qwebenginepage.cpp b/src/webenginewidgets/api/qwebenginepage.cpp index df96f4c17..a9a908e13 100644 --- a/src/webenginewidgets/api/qwebenginepage.cpp +++ b/src/webenginewidgets/api/qwebenginepage.cpp @@ -144,7 +144,16 @@ QWebEnginePagePrivate::~QWebEnginePagePrivate() RenderWidgetHostViewQtDelegate *QWebEnginePagePrivate::CreateRenderWidgetHostViewQtDelegate(RenderWidgetHostViewQtDelegateClient *client) { - return new RenderWidgetHostViewQtDelegateWidget(client); + // Set the QWebEngineView as the parent for a popup delegate, so that the new popup window + // responds properly to clicks in case the QWebEngineView is inside a modal QDialog. Setting the + // parent essentially notifies the OS that the popup window is part of the modal session, and + // should allow interaction. + // The new delegate will not be deleted by the parent view though, because we unset the parent + // when the parent is destroyed. The delegate will be destroyed by Chromium when the popup is + // dismissed. + // If the delegate is not for a popup, but for a newly created QWebEngineView, the parent is 0 + // just like before. + return new RenderWidgetHostViewQtDelegateWidget(client, this->view); } void QWebEnginePagePrivate::titleChanged(const QString &title) diff --git a/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.cpp b/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.cpp index 5bc1671df..a3ad898ad 100644 --- a/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.cpp +++ b/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.cpp @@ -103,6 +103,21 @@ RenderWidgetHostViewQtDelegateWidget::RenderWidgetHostViewQtDelegateWidget(Rende setAttribute(Qt::WA_AcceptTouchEvents); setAttribute(Qt::WA_OpaquePaintEvent); setAttribute(Qt::WA_AlwaysShowToolTips); + + if (parent) { + // Unset the popup parent if the parent is being destroyed, thus making sure a double + // delete does not happen. + // Also in case the delegate is destroyed before its parent (when a popup is simply + // dismissed), this connection will automatically be removed by ~QObject(), preventing + // a use-after-free. + connect(parent, &QObject::destroyed, + this, &RenderWidgetHostViewQtDelegateWidget::removeParentBeforeParentDelete); + } +} + +void RenderWidgetHostViewQtDelegateWidget::removeParentBeforeParentDelete() +{ + setParent(Q_NULLPTR); } void RenderWidgetHostViewQtDelegateWidget::initAsChild(WebContentsAdapterClient* container) @@ -125,7 +140,11 @@ void RenderWidgetHostViewQtDelegateWidget::initAsPopup(const QRect& screenRect) // to be destroyed. setAttribute(Qt::WA_ShowWithoutActivating); setFocusPolicy(Qt::NoFocus); - setWindowFlags(Qt::ToolTip | Qt::FramelessWindowHint | Qt::WindowDoesNotAcceptFocus); + + // macOS doesn't like Qt::ToolTip when QWebEngineView is inside a modal dialog, specifically by + // not forwarding click events to the popup. So we use Qt::Tool which behaves the same way, but + // works on macOS too. + setWindowFlags(Qt::Tool | Qt::FramelessWindowHint | Qt::WindowDoesNotAcceptFocus); setGeometry(screenRect); show(); diff --git a/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.h b/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.h index ecf2d2d33..aa9495105 100644 --- a/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.h +++ b/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.h @@ -92,6 +92,7 @@ protected: private slots: void onWindowPosChanged(); + void removeParentBeforeParentDelete(); private: RenderWidgetHostViewQtDelegateClient *m_client; |