main: Don't gdk_flush() after every main loop wait

For a start, this makes gtk_main() work different from g_main_loop_run()
calls.

But most importantly, modern GDK does proper syncing itself and doesn't
need to rely on a catch-all to get it right.

diff --git a/gtk/gtkmain.c b/gtk/gtkmain.c
index 5837f7ceb53ad3d87fd5d2c347f623113f1dbacf..a80201c774c3af87bb86c573af84c3a82f073e58 100644 (file)
--- a/gtk/gtkmain.c
+++ b/gtk/gtkmain.c
@@ -986,7 +986,6 @@ gtk_main (void)
       gdk_threads_leave ();
       g_main_loop_run (loop);
       gdk_threads_enter ();
-      gdk_flush ();
     }
 
   main_loops = g_slist_remove (main_loops, loop);