Merge pull request #28102 from satyam102006:fix-issue-28101

highgui: fix memory leak in CvWindow Qt backend

modules/highgui/src/window_QT.cpp

@@ -1740,6 +1740,10 @@ CvWindow::CvWindow(QString name, int arg2)
     show();
 }
 
+CvWindow::~CvWindow()
+{
+    delete myView;
+}
 
 void CvWindow::setMouseCallBack(CvMouseCallback callback, void* param)
 {

modules/highgui/src/window_QT.h

@@ -298,6 +298,7 @@ class CvWindow : public CvWinModel
     Q_OBJECT
 public:
     CvWindow(QString arg2, int flag = CV_WINDOW_NORMAL);
+    ~CvWindow();
 
     void setMouseCallBack(CvMouseCallback m, void* param);