diff options
Diffstat (limited to 'src/core/render_widget_host_view_qt.cpp')
| -rw-r--r-- | src/core/render_widget_host_view_qt.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/core/render_widget_host_view_qt.cpp b/src/core/render_widget_host_view_qt.cpp index ab9fb66fb..96cddfb4b 100644 --- a/src/core/render_widget_host_view_qt.cpp +++ b/src/core/render_widget_host_view_qt.cpp @@ -905,6 +905,9 @@ bool RenderWidgetHostViewQt::forwardEvent(QEvent *event) case QEvent::TouchCancel: handleTouchEvent(static_cast<QTouchEvent*>(event)); break; + case QEvent::NativeGesture: + handleGestureEvent(static_cast<QNativeGestureEvent *>(event)); + break; case QEvent::HoverEnter: case QEvent::HoverLeave: case QEvent::HoverMove: @@ -1295,8 +1298,24 @@ void RenderWidgetHostViewQt::clearPreviousTouchMotionState() m_touchMotionStarted = false; } +void RenderWidgetHostViewQt::handleGestureEvent(QNativeGestureEvent *ev) +{ + const Qt::NativeGestureType type = ev->gestureType(); + // These are the only supported gestures by Chromium so far. + if (type == Qt::ZoomNativeGesture || type == Qt::SmartZoomNativeGesture) { + m_host->ForwardGestureEvent(WebEventFactory::toWebGestureEvent( + ev, + static_cast<double>(dpiScale()))); + } +} + void RenderWidgetHostViewQt::handleTouchEvent(QTouchEvent *ev) { + // On macOS instead of handling touch events, we use the OS provided QNativeGestureEvents. +#ifdef Q_OS_MACOS + return; +#endif + // Chromium expects the touch event timestamps to be comparable to base::TimeTicks::Now(). // Most importantly we also have to preserve the relative time distance between events. // Calculate a delta between event timestamps and Now() on the first received event, and |