Fix resize cursor not being cleared when mouse moves over child widgets

sdrgui/gui/framelesswindowresizer.cpp

@@ -17,6 +17,7 @@
 
 #include <QGuiApplication>
 #include <QLayout>
+#include <QTableWidget>
 
 #include "framelesswindowresizer.h"
 
@@ -40,6 +41,14 @@ void FramelessWindowResizer::enableChildMouseTracking()
     for (auto widget : widgets) {
         widget->setMouseTracking(true);
     }
+    // QTableWidgets don't send us mouseMoveEvents for some unknown reason
+    // so install an event filter on their viewport
+    QList<QTableWidget *> tables = m_widget->findChildren<QTableWidget *>();
+    for (auto table : tables)
+    {
+        table->viewport()->setMouseTracking(true);
+        table->viewport()->installEventFilter(this);
+    }
 }
 
 bool FramelessWindowResizer::mouseOnTopBorder(QPoint pos) const
@@ -141,6 +150,16 @@ void FramelessWindowResizer::leaveEvent(QEvent*)
     clearCursor();
 }
 
+bool FramelessWindowResizer::eventFilter(QObject *obj, QEvent *event)
+{
+    if (event->type() == QEvent::MouseMove)
+    {
+        // Mouse moving over child table widget
+        clearCursor();
+    }
+    return QObject::eventFilter(obj, event);
+}
+
 void FramelessWindowResizer::mouseMoveEvent(QMouseEvent* event)
 {
     if (m_vResizing || m_hResizing)