Use xtest also for sending input to the active window

This is possible with xtest as well and necessary to work with applications
which don't accept synthetic events, like those using XInput2 (GTK3, Firefox)

libkhotkeysprivate/shortcuts_handler.cpp

@@ -173,13 +173,14 @@ bool ShortcutsHandler::send_macro_key( const QKeySequence &key, Window window_P
     unsigned int keysym = key[0];
     int x_keycode;
     KKeyServer::keyQtToCodeX(keysym, &x_keycode);
+
     if( x_keycode == NoSymbol )
         return false;
 
     unsigned int x_mod;
     KKeyServer::keyQtToModX(keysym, &x_mod );
 #ifdef HAVE_XTEST
-    if( xtest() && window_P == None )
+    if( xtest() && (window_P == None || window_P == InputFocus) )
         {
         QVector<int> keycodes_to_press, keycodes_to_release;
         get_modifier_change(x_mod, keycodes_to_press, keycodes_to_release);