Switch to putting radio targets in the global settings instead of the context tree.

src/context/global_settings.rs

@@ -1,16 +1,19 @@
-#[derive(Debug)]
-pub struct GlobalSettings<'s> {
-    #[allow(dead_code)]
-    placeholder: Option<&'s str>,
+use crate::types::Object;
+
+#[derive(Debug, Clone)]
+pub struct GlobalSettings<'g, 's> {
+    pub radio_targets: Vec<&'g Vec<Object<'s>>>,
 }
 
-impl<'s> GlobalSettings<'s> {
+impl<'g, 's> GlobalSettings<'g, 's> {
     pub fn new() -> Self {
-        GlobalSettings { placeholder: None }
+        GlobalSettings {
+            radio_targets: Vec::new(),
+        }
     }
 }
 
-impl<'s> Default for GlobalSettings<'s> {
+impl<'g, 's> Default for GlobalSettings<'g, 's> {
     fn default() -> Self {
         GlobalSettings::new()
     }