1 files changed, 9 insertions, 1 deletions
diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp
index 3a19788316..0325338a13 100644
--- a/src/plugins/platforms/xcb/qxcbwindow.cpp
+++ b/src/plugins/platforms/xcb/qxcbwindow.cpp
@@ -379,6 +379,13 @@ void QXcbWindow::create()
     m_syncValue.hi = 0;
     m_syncValue.lo = 0;
 
+    const QByteArray wmClass = static_cast<QXcbIntegration *>(QGuiApplicationPrivate::platformIntegration())->wmClass();
+    if (!wmClass.isEmpty()) {
+        Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE,
+                                       m_window, atom(QXcbAtom::WM_CLASS),
+                                       XCB_ATOM_STRING, 8, wmClass.size(), wmClass.constData()));
+    }
+
     if (m_usingSyncProtocol) {
         m_syncCounter = xcb_generate_id(xcb_connection());
         Q_XCB_CALL(xcb_sync_create_counter(xcb_connection(), m_syncCounter, m_syncValue));
@@ -1636,7 +1643,8 @@ void QXcbWindow::handleButtonPressEvent(const xcb_button_press_event_t *event)
 {
     if (window() != QGuiApplication::focusWindow()) {
         QWindow *w = static_cast<QWindowPrivate *>(QObjectPrivate::get(window()))->eventReceiver();
-        w->requestActivate();
+        if (!(w->flags() & Qt::WindowDoesNotAcceptFocus))
+            w->requestActivate();
     }
 
     updateNetWmUserTime(event->time);