2 files changed, 4 insertions, 1 deletions
diff --git a/src/plugins/platforms/xcb/qxcbconnection.cpp b/src/plugins/platforms/xcb/qxcbconnection.cpp
index 05107932f9..7052e88141 100644
--- a/src/plugins/platforms/xcb/qxcbconnection.cpp
+++ b/src/plugins/platforms/xcb/qxcbconnection.cpp
@@ -116,6 +116,7 @@ Q_LOGGING_CATEGORY(lcQpaScreen, "qt.qpa.screen")
 #define XCB_GE_GENERIC 35
 #endif
 
+#if defined(XCB_USE_XINPUT2)
 // Starting from the xcb version 1.9.3 struct xcb_ge_event_t has changed:
 // - "pad0" became "extension"
 // - "pad1" and "pad" became "pad0"
@@ -133,6 +134,7 @@ static inline bool isXIEvent(xcb_generic_event_t *event, int opCode)
     qt_xcb_ge_event_t *e = (qt_xcb_ge_event_t *)event;
     return e->extension == opCode;
 }
+#endif // XCB_USE_XINPUT2
 
 #ifdef XCB_USE_XLIB
 static const char * const xcbConnectionErrors[] = {
diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp
index 15616c1cea..f744b34901 100644
--- a/src/plugins/platforms/xcb/qxcbwindow.cpp
+++ b/src/plugins/platforms/xcb/qxcbwindow.cpp
@@ -1685,9 +1685,11 @@ void QXcbWindow::requestActivateWindow()
     m_deferredActivation = false;
 
     updateNetWmUserTime(connection()->time());
+    QWindow *focusWindow = QGuiApplication::focusWindow();
 
     if (window()->isTopLevel()
         && !(window()->flags() & Qt::X11BypassWindowManagerHint)
+        && (!focusWindow || !window()->isAncestorOf(focusWindow))
         && connection()->wmSupport()->isSupportedByWM(atom(QXcbAtom::_NET_ACTIVE_WINDOW))) {
         xcb_client_message_event_t event;
 
@@ -1698,7 +1700,6 @@ void QXcbWindow::requestActivateWindow()
         event.type = atom(QXcbAtom::_NET_ACTIVE_WINDOW);
         event.data.data32[0] = 1;
         event.data.data32[1] = connection()->time();
-        QWindow *focusWindow = QGuiApplication::focusWindow();
         event.data.data32[2] = focusWindow ? focusWindow->winId() : XCB_NONE;
         event.data.data32[3] = 0;
         event.data.data32[4] = 0;