diff options
| -rw-r--r-- | src/gui/kernel/qwindowsysteminterface_qpa.cpp | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/gui/kernel/qwindowsysteminterface_qpa.cpp b/src/gui/kernel/qwindowsysteminterface_qpa.cpp index d862d05baa..898de3a425 100644 --- a/src/gui/kernel/qwindowsysteminterface_qpa.cpp +++ b/src/gui/kernel/qwindowsysteminterface_qpa.cpp @@ -230,8 +230,20 @@ void QWindowSystemInterface::handleTouchEvent(QWindow *tlw, ulong timestamp, QEv state |= Qt::TouchPointPrimary; } p.setState(state); - p.setRect(point->area); - p.setScreenPos(point->area.center()); + + const QPointF screenPos = point->area.center(); + p.setScreenPos(screenPos); + p.setScreenRect(point->area); + + // Map screen pos to local (QWindow) coordinates and preserve sub-pixel resolution. + const QPointF delta = screenPos - screenPos.toPoint(); + const QPointF localPos = tlw->mapFromGlobal(screenPos.toPoint()) + delta; + p.setPos(localPos); + + QRectF rect(0, 0, point->area.width(), point->area.height()); + rect.moveCenter(localPos); + p.setRect(rect); + p.setNormalizedPos(point->normalPosition); touchPoints.append(p); |