Connect to dbus signal reloadConfig from org.kde.keyboar /Layouts

By connecting to the signal KWin can reload the keyboard layout
configuration and adjust to changes in the configuration module.

keyboard_input.cpp

@@ -387,6 +387,18 @@ void KeyboardInputRedirection::init()
         }
     );
 
+    QDBusConnection::sessionBus().connect(QString(),
+                                          QStringLiteral("/Layouts"),
+                                          QStringLiteral("org.kde.keyboard"),
+                                          QStringLiteral("reloadConfig"),
+                                          this,
+                                          SLOT(reconfigure()));
+
+    m_xkb->reconfigure();
+}
+
+void KeyboardInputRedirection::reconfigure()
+{
     m_xkb->reconfigure();
 }
 

keyboard_input.h

@@ -113,6 +113,9 @@ public:
         return m_xkb->modifiers();
     }
 
+private Q_SLOTS:
+    void reconfigure();
+
 private:
     InputRedirection *m_input;
     bool m_inited = false;