[vala/0.52] gtk4: Update to 4.3.0+24f0ae1d

[Rico Tzschichholz <ricotz src gnome org>]

commit c78359c01d7610a6545d859211b9f6ef837926b7
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Wed May 26 17:20:19 2021 +0200

    gtk4: Update to 4.3.0+24f0ae1d

 vapi/gtk4.vapi                    | 23 ++++++++++++++---------
 vapi/metadata/Gtk-4.0-custom.vala |  3 ---
 vapi/metadata/Gtk-4.0.metadata    |  1 +
 3 files changed, 15 insertions(+), 12 deletions(-)
---
diff --git a/vapi/gtk4.vapi b/vapi/gtk4.vapi
index ebf6d988a..603090ce5 100644
--- a/vapi/gtk4.vapi
+++ b/vapi/gtk4.vapi
@@ -4575,6 +4575,7 @@ namespace Gdk {
                public class Display : Gdk.Display {
                        [CCode (has_construct_function = false)]
                        protected Display ();
+                       public void* get_egl_display ();
                        public unowned string? get_startup_notification_id ();
                        public bool query_registry (string global);
                        public void set_cursor_theme (string name, int size);
@@ -4666,6 +4667,10 @@ namespace Gdk {
                        public void error_trap_pop_ignored ();
                        public void error_trap_push ();
                        public unowned Gdk.Surface get_default_group ();
+                       [Version (since = "4.4")]
+                       public void* get_egl_display ();
+                       [Version (since = "4.4")]
+                       public bool get_egl_version (out int major, out int minor);
                        public bool get_glx_version (out int major, out int minor);
                        public unowned Gdk.Monitor get_primary_monitor ();
                        public unowned Gdk.X11.Screen get_screen ();
@@ -4701,7 +4706,7 @@ namespace Gdk {
                }
                [CCode (cheader_filename = "gdk/x11/gdkx.h", type_id = "gdk_x11_gl_context_get_type ()")]
                [GIR (name = "X11GLContext")]
-               public class GLContext : Gdk.GLContext {
+               public abstract class GLContext : Gdk.GLContext {
                        [CCode (has_construct_function = false)]
                        protected GLContext ();
                }
@@ -4823,7 +4828,7 @@ namespace Gdk {
                public int get_priority ();
                public void* get_task_data ();
                public unowned GLib.Value? get_value ();
-               public void return_error (GLib.Error error);
+               public void return_error (owned GLib.Error error);
                public void return_success ();
                public void set_task_data (void* data, GLib.DestroyNotify notify);
        }
@@ -4906,7 +4911,7 @@ namespace Gdk {
                public int get_priority ();
                public void* get_task_data ();
                public unowned GLib.Value? get_value ();
-               public void return_error (GLib.Error error);
+               public void return_error (owned GLib.Error error);
                public void return_success ();
                public void set_task_data (void* data, GLib.DestroyNotify notify);
        }
@@ -5358,7 +5363,7 @@ namespace Gdk {
                protected Surface ();
                public void beep ();
                public Gdk.CairoContext create_cairo_context ();
-               public Gdk.GLContext create_gl_context () throws GLib.Error;
+               public Gdk.GLContext? create_gl_context () throws GLib.Error;
                public Cairo.Surface create_similar_surface (Cairo.Content content, int width, int height);
                public Gdk.VulkanContext create_vulkan_context () throws GLib.Error;
                [DestroysInstance]
@@ -5916,7 +5921,7 @@ namespace Gdk {
        [CCode (cheader_filename = "gdk/gdk.h")]
        public static async bool content_serialize_async (GLib.OutputStream stream, string mime_type, 
GLib.Value value, int io_priority, GLib.Cancellable? cancellable) throws GLib.Error;
        [CCode (cheader_filename = "gdk/gdk.h")]
-       public static unowned string intern_mime_type (string string);
+       public static unowned string? intern_mime_type (string string);
        [CCode (cheader_filename = "gdk/gdk.h")]
        public static void keyval_convert_case (uint symbol, out uint lower, out uint upper);
        [CCode (cheader_filename = "gdk/gdk.h")]
@@ -6069,7 +6074,7 @@ namespace Gsk {
                public size_t get_args_size ();
                public int get_n_textures ();
                public int get_n_uniforms ();
-               public unowned string get_resource ();
+               public unowned string? get_resource ();
                public unowned GLib.Bytes get_source ();
                public unowned string get_uniform_name (int idx);
                public int get_uniform_offset (int idx);
@@ -9595,7 +9600,7 @@ namespace Gtk {
                public bool show_tabs { get; set; }
                public Gtk.PositionType tab_pos { get; set; }
                public signal bool change_current_page (int object);
-               public signal unowned Gtk.Notebook create_window (Gtk.Widget page);
+               public signal unowned Gtk.Notebook? create_window (Gtk.Widget page);
                public signal bool focus_tab (Gtk.NotebookTab object);
                public signal void move_focus_out (Gtk.DirectionType object);
                public signal void page_added (Gtk.Widget child, uint page_num);
@@ -10007,7 +10012,7 @@ namespace Gtk {
                [NoAccessorMethod]
                public bool use_full_page { get; set; }
                public virtual signal void begin_print (Gtk.PrintContext context);
-               public virtual signal unowned GLib.Object create_custom_widget ();
+               public virtual signal unowned GLib.Object? create_custom_widget ();
                public virtual signal void custom_widget_apply (Gtk.Widget widget);
                public virtual signal void done (Gtk.PrintOperationResult result);
                public virtual signal void draw_page (Gtk.PrintContext context, int page_nr);
@@ -11672,7 +11677,7 @@ namespace Gtk {
                public TreePath.from_string (string path);
                public int get_depth ();
                [CCode (array_length_pos = 0.1, cname = "gtk_tree_path_get_indices_with_depth")]
-               public unowned int[] get_indices ();
+               public unowned int[]? get_indices ();
                public bool is_ancestor (Gtk.TreePath descendant);
                public bool is_descendant (Gtk.TreePath ancestor);
                public void next ();
diff --git a/vapi/metadata/Gtk-4.0-custom.vala b/vapi/metadata/Gtk-4.0-custom.vala
index 9c600f520..c3f98568b 100644
--- a/vapi/metadata/Gtk-4.0-custom.vala
+++ b/vapi/metadata/Gtk-4.0-custom.vala
@@ -39,7 +39,4 @@ namespace Gtk {
                [CCode (delegate_target = false)]
                public unowned Gtk.BuildableParserErrorFunc error;
        }
-
-       [CCode (cname = "GTK_INVALID_LIST_POSITION")]
-       public const uint INVALID_LIST_POSITION;
 }
diff --git a/vapi/metadata/Gtk-4.0.metadata b/vapi/metadata/Gtk-4.0.metadata
index d918d3c8e..9443779d2 100644
--- a/vapi/metadata/Gtk-4.0.metadata
+++ b/vapi/metadata/Gtk-4.0.metadata
@@ -383,6 +383,7 @@ TreeViewColumn
   .new_with_attributes.title nullable
 TreeView
   .get_*_func skip=false
+INVALID_LIST_POSITION type="uint"
 
 editable_delegate_get_property skip
 editable_delegate_set_property skip