1 files changed, 10 insertions, 0 deletions
diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp
index d76f1245e8..5d052a7ca1 100644
--- a/src/plugins/platforms/xcb/qxcbwindow.cpp
+++ b/src/plugins/platforms/xcb/qxcbwindow.cpp
@@ -1098,6 +1098,7 @@ void QXcbWindow::setWindowFlags(Qt::WindowFlags flags)
     }
 
     setWmWindowType(wmWindowTypes, flags);
+    setNetWmStateWindowFlags(flags);
     setMotifWindowFlags(flags);
 
     setTransparentForMouseEvents(flags & Qt::WindowTransparentForInput);
@@ -1333,6 +1334,15 @@ void QXcbWindow::updateNetWmStateBeforeMap()
     setNetWmStates(states);
 }
 
+void QXcbWindow::setNetWmStateWindowFlags(Qt::WindowFlags flags)
+{
+    changeNetWmState(flags & Qt::WindowStaysOnTopHint,
+                     atom(QXcbAtom::_NET_WM_STATE_ABOVE),
+                     atom(QXcbAtom::_NET_WM_STATE_STAYS_ON_TOP));
+    changeNetWmState(flags & Qt::WindowStaysOnBottomHint,
+                     atom(QXcbAtom::_NET_WM_STATE_BELOW));
+}
+
 void QXcbWindow::updateNetWmUserTime(xcb_timestamp_t timestamp)
 {
     xcb_window_t wid = m_window;