Allow multiple object paths for each connection

include/swaybar/tray/sni.h

@@ -54,6 +54,17 @@ int sni_str_cmp(const void *item, const void *str);
  */
 int sni_uniq_cmp(const void *item, const void *str);
 
+
+struct ObjName {
+	const void *obj_path;
+	const void *name;
+};
+/**
+ * Returns 0 if `item` has a name of `obj_name->name` and object path of
+ * `obj_name->obj_path`.
+ */
+int sni_obj_name_cmp(const void *item, const void *obj_name);
+
 /**
  * Gets an icon for the given item if found.
  *

swaybar/tray/sni.c

@@ -484,6 +484,17 @@ int sni_uniq_cmp(const void *_item, const void *_str) {
 	}
 	return strcmp(item->unique_name, str);
 }
+int sni_obj_name_cmp(const void *_item, const void *_obj_name) {
+	const struct StatusNotifierItem *item = _item;
+	const struct ObjName *obj_name = _obj_name;
+
+	if (strcmp(item->name, obj_name->name) == 0 &&
+			strcmp(item->object_path, obj_name->obj_path) == 0) {
+		return 0;
+	}
+	return 1;
+}
+
 void sni_free(struct StatusNotifierItem *item) {
 	if (!item) {
 		return;

swaybar/tray/tray.c

@@ -291,8 +291,11 @@ static DBusHandlerResult signal_handler(DBusConnection *connection,
 			return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 		}
 
-		// TODO allow one unique name to have multiple items
+		struct ObjName obj_name = {
-		if (list_seq_find(tray->items, sni_str_cmp, unique_name) == -1) {
+			object_path,
+			unique_name,
+		};
+		if (list_seq_find(tray->items, sni_obj_name_cmp, &obj_name) == -1) {
 			struct StatusNotifierItem *item =
 				sni_create_from_obj_path(unique_name,
 						object_path);