From: Arjan Molenaar <gaphor@gmail.com>
Date: Wed, 11 Jan 2023 15:29:24 +0000 (+0100)
Subject: macos: run glib idle functions when in nested run loop
X-Git-Tag: archive/raspbian/4.12.3+ds-1+rpi1~1^2^2^2~22^2~8^2~50^2~11
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=420be8fb0f008959d4d5a0be0c1e98cba5a54eb7;p=gtk4.git

macos: run glib idle functions when in nested run loop

It looks like DnD starts a nested run loop. We still have to run our
GLib handlers, so animations work.
---

diff --git a/gdk/macos/gdkmacoseventsource.c b/gdk/macos/gdkmacoseventsource.c
index a60fb558c9..725cc57476 100644
--- a/gdk/macos/gdkmacoseventsource.c
+++ b/gdk/macos/gdkmacoseventsource.c
@@ -1018,7 +1018,10 @@ run_loop_observer_callback (CFRunLoopObserverRef observer,
       break;
     }
 
-  if (getting_events > 0) /* Activity we triggered */
+  /* DnD starts a nested runloop, or so it seems.
+     If we have such a loop, we still want to run
+     our idle handlers. */
+  if (getting_events > 0 && current_loop_level < 2)
     return;
 
   switch (activity)