todo: Use signals.

diff --git a/TODO b/TODO
index d872f12..8c64dbf 100644 (file)
--- a/TODO
+++ b/TODO
@@ -1,3 +1,7 @@
+Current use of callbacks in the main window is extremely clunky and
+causes all sorts of complex dependency problems in the OCaml code.  We
+should use Gtk signals instead.
+
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