don't focus new windows if they appear on another desktop and a relative is not focused

openbox/client.c

@@ -526,6 +526,15 @@ void client_manage(Window window)
                               "Not focusing the window because another window "
                               "would get the focus anyway\n");
             }
+            else if (!(self->desktop == screen_desktop ||
+                       self->desktop == DESKTOP_ALL))
+            {
+                activate = FALSE;
+                raise = TRUE;
+                ob_debug_type(OB_DEBUG_FOCUS,
+                              "Not focusing the window because it is on "
+                              "another desktop and no relatives are focused ");
+            }
         }
 
         if (!activate) {