tree-model.rb in gtk4-4.0.0

- old
+ new

@@ -1,6 +1,6 @@
-# Copyright (C) 2014-2015  Ruby-GNOME2 Project Team
+# Copyright (C) 2014-2022  Ruby-GNOME Project Team
 #
 # This library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
 # License as published by the Free Software Foundation; either
 # version 2.1 of the License, or (at your option) any later version.
@@ -104,9 +104,29 @@
     def get_column_type(index)
       (@column_types ||= {})[index] ||= get_column_type_raw(index)
     end
 
     alias_method :create_filter, :filter_new
+
+    alias_method :each_raw, :each
+    def each
+      return to_enum(__method__) unless block_given?
+      exception = nil
+      each_raw do |model, path, iter|
+        stop = true
+        # TODO: This doesn't return 'stop' to GTK when caller uses 'break'.
+        begin
+          iter.model = model
+          yield(model, path, iter)
+          stop = false
+        rescue Exception => e
+          exception = e
+        end
+        stop
+      end
+      raise exception if exception
+      self
+    end
 
     private
     def setup_iter(iter)
       iter.model = self
     end