2 files changed, 35 insertions, 0 deletions
diff --git a/src/platformheaders/windowsfunctions/qwindowswindowfunctions.h b/src/platformheaders/windowsfunctions/qwindowswindowfunctions.h
index 4c6d01cc52..720f7f31be 100644
--- a/src/platformheaders/windowsfunctions/qwindowswindowfunctions.h
+++ b/src/platformheaders/windowsfunctions/qwindowswindowfunctions.h
@@ -60,6 +60,15 @@ public:
         if (func)
             func(window, type);
     }
+
+    typedef void (*SetHasBorderInFullScreen)(QWindow *window, bool border);
+    static const QByteArray setHasBorderInFullScreenIdentifier() { return QByteArrayLiteral("WindowsSetHasBorderInFullScreen"); }
+    static void setHasBorderInFullScreen(QWindow *window, bool border)
+    {
+        SetHasBorderInFullScreen func = reinterpret_cast<SetHasBorderInFullScreen>(QGuiApplication::platformFunction(setHasBorderInFullScreenIdentifier()));
+        if (func)
+            func(window, border);
+    }
 };
 
 Q_DECLARE_OPERATORS_FOR_FLAGS(QWindowsWindowFunctions::TouchWindowTouchTypes)
diff --git a/src/platformheaders/windowsfunctions/qwindowswindowfunctions.qdoc b/src/platformheaders/windowsfunctions/qwindowswindowfunctions.qdoc
index 84fae2f56d..d6b8764e7b 100644
--- a/src/platformheaders/windowsfunctions/qwindowswindowfunctions.qdoc
+++ b/src/platformheaders/windowsfunctions/qwindowswindowfunctions.qdoc
@@ -69,3 +69,29 @@
     This is a convenience function that can be used directly instead of resolving the function pointer.
     \a window and \a type will be relayed to the function retrieved by QGuiApplication
 */
+
+/*!
+    \typedef QWindowsWindowFunctions::SetHasBorderInFullScreen
+
+    This is the typedef for the function returned by QGuiApplication::platformFunction when passed setHasBorderInFullScreenIdentifier.
+*/
+
+/*!
+    \fn QByteArray QWindowsWindowFunctions::setHasBorderInFullScreenIdentifier()
+    \since 5.6
+
+    This function returns the bytearray that can be used to query
+    QGuiApplication::platformFunction to retrieve the SetHasBorderInFullScreen function.
+*/
+
+/*!
+    \fn void QWindowsWindowFunctions::setHasBorderInFullScreen(QWindow *window, bool border)
+    \since 5.6
+
+    This is a convenience function that can be used directly instead of resolving the function pointer.
+    \a window and \a border will be relayed to the function retrieved by QGuiApplication. When \a border
+    is true then it will enable the WS_BORDER flag in full screen mode to enable other top level windows
+    inside the application to appear on top when required.
+
+    See also \l [QtDoc] {Fullscreen OpenGL Based Windows}
+*/