3 files changed, 11 insertions, 17 deletions
diff --git a/src/gui/kernel/qevent.cpp b/src/gui/kernel/qevent.cpp
index d41e3e5e3c..5791432ba6 100644
--- a/src/gui/kernel/qevent.cpp
+++ b/src/gui/kernel/qevent.cpp
@@ -2688,10 +2688,6 @@ QNativeGestureEvent::QNativeGestureEvent(Qt::NativeGestureType type, const QPoin
 { }
 #endif
 
-typedef QHash<const QNativeGestureEvent*, const QTouchDevice*> NativeGestureEventDataHash;
-// ### Qt6: move this to a member in QNativeGestureEvent
-Q_GLOBAL_STATIC(NativeGestureEventDataHash, g_nativeGestureEventDataHash)
-
 /*!
     Constructs a native gesture event of type \a type originating from \a device.
 
@@ -2706,27 +2702,20 @@ QNativeGestureEvent::QNativeGestureEvent(Qt::NativeGestureType type, const QTouc
                                          const QPointF &screenPos, qreal realValue, ulong sequenceId, quint64 intValue)
     : QInputEvent(QEvent::NativeGesture), mGestureType(type),
       mLocalPos(localPos), mWindowPos(windowPos), mScreenPos(screenPos), mRealValue(realValue),
-      mSequenceId(sequenceId), mIntValue(intValue)
+      mSequenceId(sequenceId), mIntValue(intValue), mDevice(device)
 {
-    g_nativeGestureEventDataHash->insert(this, device);
 }
 
 QNativeGestureEvent::~QNativeGestureEvent()
-{
-    g_nativeGestureEventDataHash->remove(this);
-}
+    = default;
 
 /*!
+    \fn const QTouchDevice *QNativeGestureEvent::device() const
     \since 5.10
 
     Returns the device.
 */
 
-const QTouchDevice *QNativeGestureEvent::device() const
-{
-    return g_nativeGestureEventDataHash->value(this);
-}
-
 /*!
     \fn QNativeGestureEvent::gestureType() const
     \since 5.2
diff --git a/src/gui/kernel/qevent.h b/src/gui/kernel/qevent.h
index dc33a83ac0..b463b5b431 100644
--- a/src/gui/kernel/qevent.h
+++ b/src/gui/kernel/qevent.h
@@ -350,7 +350,7 @@ public:
     const QPointF &windowPos() const { return mWindowPos; }
     const QPointF &screenPos() const { return mScreenPos; }
 
-    const QTouchDevice *device() const;
+    const QTouchDevice *device() const { return mDevice; }
 
 protected:
     Qt::NativeGestureType mGestureType;
@@ -360,6 +360,7 @@ protected:
     qreal mRealValue;
     ulong mSequenceId;
     quint64 mIntValue;
+    const QTouchDevice *mDevice;
 };
 #endif // QT_NO_GESTURES
 
diff --git a/src/gui/kernel/qguiapplication.cpp b/src/gui/kernel/qguiapplication.cpp
index c5d8cf9bf9..4b3d94b97f 100644
--- a/src/gui/kernel/qguiapplication.cpp
+++ b/src/gui/kernel/qguiapplication.cpp
@@ -1184,14 +1184,18 @@ Q_LOGGING_CATEGORY(lcQpaPluginLoading, "qt.qpa.plugin");
 
 static void init_platform(const QString &pluginNamesWithArguments, const QString &platformPluginPath, const QString &platformThemeName, int &argc, char **argv)
 {
-    QStringList plugins = pluginNamesWithArguments.split(QLatin1Char(';'));
+    QStringList plugins = pluginNamesWithArguments.split(QLatin1Char(';'), QString::SkipEmptyParts);
     QStringList platformArguments;
     QStringList availablePlugins = QPlatformIntegrationFactory::keys(platformPluginPath);
     for (const auto &pluginArgument : plugins) {
         // Split into platform name and arguments
-        QStringList arguments = pluginArgument.split(QLatin1Char(':'));
+        QStringList arguments = pluginArgument.split(QLatin1Char(':'), QString::SkipEmptyParts);
+        if (arguments.isEmpty())
+            continue;
         const QString name = arguments.takeFirst().toLower();
         QString argumentsKey = name;
+        if (name.isEmpty())
+            continue;
         argumentsKey[0] = argumentsKey.at(0).toUpper();
         arguments.append(QLibraryInfo::platformPluginArguments(argumentsKey));