void MiniBrowser::handleWheelEvent(const XButtonPressedEvent& event)
{
WKPoint contentsPoint = NIXViewUserViewportToContents(m_view, WKPointMake(event.x, event.y));
if (m_mode == MobileMode && event.state & ControlMask) {
double newScale = NIXViewScale(m_view) * (event.button == 4 ? 1.1 : 0.9);
scaleAtPoint(contentsPoint, newScale);
return;
}
// Same constant we use inside WebView to calculate the ticks. See also WebCore::Scrollbar::pixelsPerLineStep().
const float pixelsPerStep = 40.0f;
NIXWheelEvent nixEvent;
nixEvent.type = kNIXInputEventTypeWheel;
nixEvent.modifiers = convertXEventModifiersToNativeModifiers(event.state);
nixEvent.timestamp = convertXEventTimeToNixTimestamp(event.time);
nixEvent.x = contentsPoint.x;
nixEvent.y = contentsPoint.y;
nixEvent.globalX = event.x_root;
nixEvent.globalY = event.y_root;
nixEvent.delta = pixelsPerStep * (event.button == 4 ? 1 : -1);
nixEvent.orientation = event.state & ShiftMask ? kNIXWheelEventOrientationHorizontal : kNIXWheelEventOrientationVertical;
NIXViewSendWheelEvent(m_view, &nixEvent);
}
void Tab::sendMouseEvent<NIXWheelEvent*>(NIXWheelEvent* event)
{
NIXViewSendWheelEvent(m_view, event);
}
