Use Pressed/Released eventpoint state with native gesture begin/end

The QSinglePointEvent is mostly responsible for setting
QEventPoint::state(); but in this case we need to decide based on
Qt::NativeGestureType, so it needs to be refined in the
QNativeGestureEvent constructor.

Fixes: QTBUG-94178
Change-Id: I9799fe5b8fea71f934311ae2f3bb8e033d132ec5
Reviewed-by: Povilas Kanapickas <povilas@radix.lt>
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

1 files changed, 13 insertions, 0 deletions

diff --git a/src/gui/kernel/qevent.cpp b/src/gui/kernel/qevent.cpp
index 4e6de35c94..db4e2624fa 100644
--- a/src/gui/kernel/qevent.cpp
+++ b/src/gui/kernel/qevent.cpp
@@ -2829,6 +2829,19 @@ QNativeGestureEvent::QNativeGestureEvent(Qt::NativeGestureType type, const QPoin
       m_sequenceId(sequenceId), m_deltas(deltas), m_realValue(value), m_gestureType(type), m_fingerCount(fingerCount)
 {
     Q_ASSERT(fingerCount < 16); // we store it in 4 bits unsigned
+
+    // make correction to QEventPoint::state(): the QSinglePointEvent ctor doesn't get gesture type, defaults to Updated
+    auto &pt = QMutableEventPoint::from(m_points.first());
+    switch (type) {
+    case Qt::BeginNativeGesture:
+        pt.setState(QEventPoint::State::Pressed);
+        break;
+    case Qt::EndNativeGesture:
+        pt.setState(QEventPoint::State::Released);
+        break;
+    default:
+        break;
+    }
 }
 
 QNativeGestureEvent::~QNativeGestureEvent() = default;