[mutter/gnome-40] Revert "cursor-renderer: Remove meta_cursor_renderer_is_overlay_visible"

[Jonas Ådahl <jadahl src gnome org>]

commit 0a8e60f8c86f8b3d77a28ab40d8f0f04337ad65d
Author: Jonas Ådahl <jadahl gmail com>
Date:   Tue Sep 21 17:20:56 2021 +0200

    Revert "cursor-renderer: Remove meta_cursor_renderer_is_overlay_visible"
    
    This reverts commit 0861c97d06cdfa065a342ddfa469bf2073867090.

 src/backends/meta-cursor-renderer.c | 12 ++++++++++++
 src/backends/meta-cursor-renderer.h |  2 ++
 2 files changed, 14 insertions(+)
---
diff --git a/src/backends/meta-cursor-renderer.c b/src/backends/meta-cursor-renderer.c
index 5ed0fb8fcd..3353b17d3d 100644
--- a/src/backends/meta-cursor-renderer.c
+++ b/src/backends/meta-cursor-renderer.c
@@ -470,6 +470,18 @@ meta_cursor_renderer_get_cursor (MetaCursorRenderer *renderer)
   return priv->overlay_cursor;
 }
 
+gboolean
+meta_cursor_renderer_is_overlay_visible (MetaCursorRenderer *renderer)
+{
+  MetaCursorRendererPrivate *priv =
+    meta_cursor_renderer_get_instance_private (renderer);
+
+  if (!priv->stage_overlay)
+    return FALSE;
+
+  return meta_overlay_is_visible (priv->stage_overlay);
+}
+
 ClutterInputDevice *
 meta_cursor_renderer_get_input_device (MetaCursorRenderer *renderer)
 {
diff --git a/src/backends/meta-cursor-renderer.h b/src/backends/meta-cursor-renderer.h
index 89a73aef11..f6de01bfbc 100644
--- a/src/backends/meta-cursor-renderer.h
+++ b/src/backends/meta-cursor-renderer.h
@@ -66,6 +66,8 @@ void meta_cursor_renderer_force_update (MetaCursorRenderer *renderer);
 
 MetaCursorSprite * meta_cursor_renderer_get_cursor (MetaCursorRenderer *renderer);
 
+gboolean meta_cursor_renderer_is_overlay_visible (MetaCursorRenderer *renderer);
+
 graphene_rect_t meta_cursor_renderer_calculate_rect (MetaCursorRenderer *renderer,
                                                      MetaCursorSprite   *cursor_sprite);