diff options
-rw-r--r-- | src/core/render_widget_host_view_qt.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/core/render_widget_host_view_qt.cpp b/src/core/render_widget_host_view_qt.cpp index cc0510666..5183f6732 100644 --- a/src/core/render_widget_host_view_qt.cpp +++ b/src/core/render_widget_host_view_qt.cpp @@ -878,6 +878,13 @@ bool RenderWidgetHostViewQt::IsPopup() const void RenderWidgetHostViewQt::handleMouseEvent(QMouseEvent* event) { + // Don't forward mouse events synthesized by the system, which are caused by genuine touch + // events. Chromium would then process for e.g. a mouse click handler twice, once due to the + // system synthesized mouse event, and another time due to a touch-to-gesture-to-mouse + // transformation done by Chromium. + if (event->source() == Qt::MouseEventSynthesizedBySystem) + return; + blink::WebMouseEvent webEvent = WebEventFactory::toWebMouseEvent(event, dpiScale()); if (event->type() == QMouseEvent::MouseButtonPress) { if (event->button() != m_clickHelper.lastPressButton |