[gnome-nibbles/arnaudb/wip/gtk4: 32/62] Adapt to GtkBox API.

[Arnaud B. <arnaudb src gnome org>]

commit cf95327dce431c77aa1c7581808cdd79a1416ef6
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Sat May 30 18:55:50 2020 +0200

    Adapt to GtkBox API.

 src/controls.vala       | 7 ++++---
 src/nibbles-window.vala | 2 +-
 2 files changed, 5 insertions(+), 4 deletions(-)
---
diff --git a/src/controls.vala b/src/controls.vala
index a1ec9ae..4ec3ba8 100644
--- a/src/controls.vala
+++ b/src/controls.vala
@@ -36,8 +36,9 @@ private class Controls : Box
 
     internal void prepare (Gee.LinkedList<Worm> worms, Gee.HashMap<Worm, WormProperties> worm_props)
     {
-        foreach (var grid in grids_box.get_children ())
-            grid.destroy ();
+        Widget? widget;
+        while ((widget = grids_box.get_first_child ()) != null)
+            widget.destroy ();
 
         GenericSet<uint> duplicate_keys     = new GenericSet<uint> (direct_hash, direct_equal);
         GenericSet<uint> encountered_keys   = new GenericSet<uint> (direct_hash, direct_equal);
@@ -48,7 +49,7 @@ private class Controls : Box
                 WormProperties worm_prop = worm_props.@get (worm);
 
                 var grid = new ControlsGrid (worm.id, worm_prop, arrow_pixbuf, arrow_key_pixbuf);
-                grids_box.add (grid);
+                grid.insert_after (grids_box, /* insert first */ null);
                 grids.add (grid);
 
                 check_for_duplicates (worm_prop.up,     ref encountered_keys, ref duplicate_keys);
diff --git a/src/nibbles-window.vala b/src/nibbles-window.vala
index 08490c5..4885444 100644
--- a/src/nibbles-window.vala
+++ b/src/nibbles-window.vala
@@ -135,7 +135,7 @@ private class NibblesWindow : ApplicationWindow
                                 !settings.get_boolean ("sound"));
 
         frame = new AspectFrame (/* x align */ 0.5f, /* y align */ 0.5f, /* ratio ignored */ 0.0f, /* obey 
child */ true);
-        game_box.pack_start (frame);
+        frame.insert_after (game_box, /* insert first */ null);
 
         /* Create scoreboard */
         scoreboard_life = NibblesView.load_pixmap_file ("scoreboard-life.svg", 2 * view.tile_size, 2 * 
view.tile_size);