From 1937e3368754d792ef4f9580b97b910b46d890bc Mon Sep 17 00:00:00 2001
From: Camil Staps
Date: Fri, 25 Oct 2019 09:00:24 +0200
Subject: Add G modifier to ccalls that may trigger GTK signals (which may
 cause re-entrance if there is a handler; add withPossibleCallback to save and
 retrieve state around such calls)

---
 src/Gtk/Signal.dcl | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/Gtk/Signal.dcl')

diff --git a/src/Gtk/Signal.dcl b/src/Gtk/Signal.dcl
index 225cda2..d92455e 100644
--- a/src/Gtk/Signal.dcl
+++ b/src/Gtk/Signal.dcl
@@ -31,4 +31,8 @@ instance tune w GSignalHandler | gtkWidget w
 
 saveState :: GtkM ()
 retrieveState :: GtkM GtkState
+
+//* Wrap functionality in `saveState` and `retrieveState` if it can be re-entrant.
+withPossibleCallback :: !(GtkM a) -> GtkM a
+
 handleSignal :: !Int !{#Int} -> Int
-- 
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