[mutter] clutter: Remove main loop helper

[Jonas Ådahl <jadahl src gnome org>]

commit e848414f899fc074c1b77082f499440aaf135975
Author: Jonas Ådahl <jadahl gmail com>
Date:   Thu Jul 9 21:45:41 2020 +0200

    clutter: Remove main loop helper
    
    It's expected to always use meta_*() or your own main loop.
    
    https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1364

 clutter/clutter/clutter-main.c | 73 ------------------------------------------
 clutter/clutter/clutter-main.h |  8 -----
 2 files changed, 81 deletions(-)
---
diff --git a/clutter/clutter/clutter-main.c b/clutter/clutter/clutter-main.c
index 2436545a8c..cc547131e3 100644
--- a/clutter/clutter/clutter-main.c
+++ b/clutter/clutter/clutter-main.c
@@ -90,9 +90,6 @@ static guint clutter_default_fps             = 60;
 
 static ClutterTextDirection clutter_text_direction = CLUTTER_TEXT_DIRECTION_LTR;
 
-static guint clutter_main_loop_level         = 0;
-static GSList *main_loops                    = NULL;
-
 /* debug flags */
 guint clutter_debug_flags       = 0;
 guint clutter_paint_debug_flags = 0;
@@ -443,76 +440,6 @@ clutter_get_text_direction (void)
   return dir;
 }
 
-/**
- * clutter_main_quit:
- *
- * Terminates the Clutter mainloop.
- */
-void
-clutter_main_quit (void)
-{
-  if (main_loops == NULL)
-    {
-      g_critical ("Calling clutter_main_quit() without calling clutter_main() "
-                  "is not allowed. If you are using another main loop, use the "
-                  "appropriate API to terminate it.");
-      return;
-    }
-
-  CLUTTER_NOTE (MISC, "Terminating main loop level %d", clutter_main_loop_level);
-
-  g_main_loop_quit (main_loops->data);
-}
-
-/**
- * clutter_main_level:
- *
- * Retrieves the depth of the Clutter mainloop.
- *
- * Return value: The level of the mainloop.
- */
-gint
-clutter_main_level (void)
-{
-  return clutter_main_loop_level;
-}
-
-/**
- * clutter_main:
- *
- * Starts the Clutter mainloop.
- */
-void
-clutter_main (void)
-{
-  GMainLoop *loop;
-
-  if (!_clutter_context_is_initialized ())
-    {
-      g_warning ("Called clutter_main() but Clutter wasn't initialised. "
-                "You must call clutter_init() first.");
-      return;
-    }
-
-  clutter_main_loop_level++;
-
-  CLUTTER_NOTE (MISC, "Entering main loop level %d", clutter_main_loop_level);
-
-  loop = g_main_loop_new (NULL, TRUE);
-  main_loops = g_slist_prepend (main_loops, loop);
-
-  if (g_main_loop_is_running (main_loops->data))
-    g_main_loop_run (loop);
-
-  main_loops = g_slist_remove (main_loops, loop);
-
-  g_main_loop_unref (loop);
-
-  CLUTTER_NOTE (MISC, "Leaving main loop level %d", clutter_main_loop_level);
-
-  clutter_main_loop_level--;
-}
-
 gboolean
 _clutter_threads_dispatch (gpointer data)
 {
diff --git a/clutter/clutter/clutter-main.h b/clutter/clutter/clutter-main.h
index 2523f73daf..10e2aca997 100644
--- a/clutter/clutter/clutter-main.h
+++ b/clutter/clutter/clutter-main.h
@@ -136,14 +136,6 @@ GOptionGroup *          clutter_get_option_group                (void);
 CLUTTER_EXPORT
 GOptionGroup *          clutter_get_option_group_without_init   (void);
 
-/* Mainloop */
-CLUTTER_EXPORT
-void                    clutter_main                            (void);
-CLUTTER_EXPORT
-void                    clutter_main_quit                       (void);
-CLUTTER_EXPORT
-gint                    clutter_main_level                      (void);
-
 CLUTTER_EXPORT
 void                    clutter_do_event                        (ClutterEvent *event);