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Add comment re scrollbar stability in tablet

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This commit is contained in:
David Rowe 2017-03-30 14:20:02 +13:00
parent f954767b84
commit 06910d1881
1 changed files with 4 additions and 0 deletions
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4
interface/src/ui/overlays/Web3DOverlay.cpp
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@ -353,6 +353,10 @@ void Web3DOverlay::handlePointerEventAsTouch(const PointerEvent& event) {
if (event.getType() == PointerEvent::Move) {
// Forward a mouse move event to the Web surface so that hover events are generated.
// Must send a mouse move event that matches up with touch move event in order for scroll bars to work.
// Scroll bar dragging is a bit unstable in the tablet (content can jump up and down at times).
// This may be improved in Qt 5.8. Release notes: "Cleaned up touch and mouse event delivery".
QMouseEvent* mouseEvent = new QMouseEvent(QEvent::MouseMove, windowPoint, windowPoint, windowPoint, Qt::NoButton, Qt::NoButton, Qt::NoModifier);
QCoreApplication::postEvent(_webSurface->getWindow(), mouseEvent);
}