[vala/staging] gtk4: Update to 3.99.0+bbb15f65

[Rico Tzschichholz <ricotz src gnome org>]

commit 03220aa6d80f86a445a47564fc25070cb8af1b8e
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Tue Aug 4 15:26:27 2020 +0200

    gtk4: Update to 3.99.0+bbb15f65

 vapi/gtk4.vapi | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)
---
diff --git a/vapi/gtk4.vapi b/vapi/gtk4.vapi
index c10f40a6e..edcc18be3 100644
--- a/vapi/gtk4.vapi
+++ b/vapi/gtk4.vapi
@@ -8443,10 +8443,10 @@ namespace Gtk {
        public class Grid : Gtk.Widget, Gtk.Accessible, Gtk.Buildable, Gtk.ConstraintTarget, Gtk.Orientable {
                [CCode (has_construct_function = false, type = "GtkWidget*")]
                public Grid ();
-               public void attach (Gtk.Widget child, int left, int top, int width = 1, int height = 1);
+               public void attach (Gtk.Widget child, int column, int row, int width = 1, int height = 1);
                public void attach_next_to (Gtk.Widget child, Gtk.Widget? sibling, Gtk.PositionType side, int 
width = 1, int height = 1);
                public int get_baseline_row ();
-               public unowned Gtk.Widget? get_child_at (int left, int top);
+               public unowned Gtk.Widget? get_child_at (int column, int row);
                public bool get_column_homogeneous ();
                public uint get_column_spacing ();
                public Gtk.BaselinePosition get_row_baseline_position (int row);
@@ -8455,7 +8455,7 @@ namespace Gtk {
                public void insert_column (int position);
                public void insert_next_to (Gtk.Widget sibling, Gtk.PositionType side);
                public void insert_row (int position);
-               public void query_child (Gtk.Widget child, out int left, out int top, out int width, out int 
height);
+               public void query_child (Gtk.Widget child, out int column, out int row, out int width, out 
int height);
                public void remove (Gtk.Widget child);
                public void remove_column (int position);
                public void remove_row (int position);
@@ -8497,18 +8497,18 @@ namespace Gtk {
        public class GridLayoutChild : Gtk.LayoutChild {
                [CCode (has_construct_function = false)]
                protected GridLayoutChild ();
+               public int get_column ();
                public int get_column_span ();
-               public int get_left_attach ();
+               public int get_row ();
                public int get_row_span ();
-               public int get_top_attach ();
+               public void set_column (int column);
                public void set_column_span (int span);
-               public void set_left_attach (int attach);
+               public void set_row (int row);
                public void set_row_span (int span);
-               public void set_top_attach (int attach);
+               public int column { get; set; }
                public int column_span { get; set; }
-               public int left_attach { get; set; }
+               public int row { get; set; }
                public int row_span { get; set; }
-               public int top_attach { get; set; }
        }
        [CCode (cheader_filename = "gtk/gtk.h", type_id = "gtk_grid_view_get_type ()")]
        public class GridView : Gtk.ListBase, Gtk.Accessible, Gtk.Buildable, Gtk.ConstraintTarget, 
Gtk.Orientable, Gtk.Scrollable {
@@ -8966,6 +8966,7 @@ namespace Gtk {
        public class ListBox : Gtk.Widget, Gtk.Accessible, Gtk.Buildable, Gtk.ConstraintTarget {
                [CCode (has_construct_function = false, type = "GtkWidget*")]
                public ListBox ();
+               public void append (Gtk.Widget child);
                public void bind_model (GLib.ListModel? model, owned Gtk.ListBoxCreateWidgetFunc? 
create_widget_func);
                public void drag_highlight_row (Gtk.ListBoxRow row);
                public void drag_unhighlight_row ();
@@ -10679,8 +10680,8 @@ namespace Gtk {
        public class Stack : Gtk.Widget, Gtk.Accessible, Gtk.Buildable, Gtk.ConstraintTarget {
                [CCode (has_construct_function = false, type = "GtkWidget*")]
                public Stack ();
-               public unowned Gtk.StackPage add_named (Gtk.Widget child, string name);
-               public unowned Gtk.StackPage add_titled (Gtk.Widget child, string name, string title);
+               public unowned Gtk.StackPage add_named (Gtk.Widget child, string? name);
+               public unowned Gtk.StackPage add_titled (Gtk.Widget child, string? name, string title);
                public unowned Gtk.Widget? get_child_by_name (string name);
                public bool get_hhomogeneous ();
                public bool get_interpolate_size ();