fix on linux

src/ui/remote.rs

@@ -139,6 +139,7 @@ impl sciter::EventHandler for Handler {
     }
 
     sciter::dispatch_script_call! {
+        fn is_xfce();
         fn get_id();
         fn get_default_pi();
         fn get_option(String);
@@ -279,6 +280,10 @@ impl Handler {
         self.lc.read().unwrap().remember
     }
 
+    fn is_xfce(&self) -> bool {
+        crate::platform::is_xfce()
+    }
+
     fn save_size(&mut self, x: i32, y: i32, w: i32, h: i32) {
         let size = (x, y, w, h);
         let mut config = self.load_config();