qtquick|MDI: Improvements for resizing

src/private/WidgetResizeHandler.cpp

@@ -119,6 +119,7 @@ bool WidgetResizeHandler::eventFilter(QObject *o, QEvent *e)
     case QEvent::MouseButtonPress: {
         if (mTarget->isMaximized())
             break;
+
         auto mouseEvent = static_cast<QMouseEvent *>(e);
         auto cursorPos = cursorPosition(Qt5Qt6Compat::eventGlobalPos(mouseEvent));
         updateCursor(cursorPos);
@@ -503,6 +504,14 @@ CursorPosition WidgetResizeHandler::cursorPosition(QPoint globalPos) const
     if (!mTarget)
         return CursorPosition_Undefined;
 
+#ifdef KDDOCKWIDGETS_QTQUICK
+    if (isMDI()) {
+        // Special case for QtQuick. The MouseAreas are driving it and know better what's the
+        // cursor position
+        return CursorPosition(mTarget->property("cursorPosition").toInt());
+    }
+#endif
+
     QPoint pos = mTarget->mapFromGlobal(globalPos);
 
     const int x = pos.x();

src/private/quick/QWidgetAdapter_quick.cpp

@@ -77,7 +77,9 @@ public:
             return false;
 
         // Finally send the event
+        m_eventTarget->setProperty("cursorPosition", m_eventSource->property("cursorPosition"));
         qApp->sendEvent(m_eventTarget, me);
+        m_eventTarget->setProperty("cursorPosition", CursorPosition_Undefined);
 
         return false;
     }