[vala/0.42] gtk+-4.0: Update to 3.94.0+40ae5c13

[Rico Tzschichholz <ricotz src gnome org>]

commit 53bcff3f4b5803eafecd8fee472b277960cf0f85
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Tue Nov 20 13:04:41 2018 +0100

    gtk+-4.0: Update to 3.94.0+40ae5c13

 vapi/gtk+-4.0.vapi | 25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)
---
diff --git a/vapi/gtk+-4.0.vapi b/vapi/gtk+-4.0.vapi
index 95861cc97..6d47b6c2c 100644
--- a/vapi/gtk+-4.0.vapi
+++ b/vapi/gtk+-4.0.vapi
@@ -4608,7 +4608,7 @@ namespace Gdk {
                        [CCode (cheader_filename = "gdk/gdkx.h", cname = "gdk_x11_lookup_xdisplay")]
                        public static unowned Gdk.X11.Display lookup_for_xdisplay (X.Display xdisplay);
                        public static Gdk.Display? open (string? display_name);
-                       public void set_cursor_theme (string theme, int size);
+                       public void set_cursor_theme (string? theme, int size);
                        public static void set_program_class (Gdk.Display display, string program_class);
                        public void set_startup_notification_id (string startup_id);
                        public void set_surface_scale (int scale);
@@ -4691,7 +4691,7 @@ namespace Gdk {
                [CCode (cheader_filename = "gdk/gdkx.h")]
                public static void register_standard_event_type (Gdk.X11.Display display, int event_base, int 
n_events);
                [CCode (cheader_filename = "gdk/gdkx.h")]
-               public static void set_sm_client_id (string sm_client_id);
+               public static void set_sm_client_id (string? sm_client_id);
                [CCode (cheader_filename = "gdk/gdkx.h")]
                public static unowned Gdk.Atom xatom_to_atom_for_display (Gdk.X11.Display display, X.Atom 
xatom);
        }
@@ -6509,7 +6509,7 @@ namespace Gtk {
                public virtual signal void value_changed ();
        }
        [CCode (cheader_filename = "gtk/gtk.h", type_id = "gtk_app_chooser_button_get_type ()")]
-       public class AppChooserButton : Gtk.ComboBox, Atk.Implementor, Gtk.AppChooser, Gtk.Buildable, 
Gtk.CellEditable, Gtk.CellLayout {
+       public class AppChooserButton : Gtk.Widget, Atk.Implementor, Gtk.AppChooser, Gtk.Buildable {
                [CCode (has_construct_function = false, type = "GtkWidget*")]
                public AppChooserButton (string content_type);
                public void append_custom_item (string name, string label, GLib.Icon icon);
@@ -6524,6 +6524,7 @@ namespace Gtk {
                public string heading { get; set; }
                public bool show_default_item { get; set construct; }
                public bool show_dialog_item { get; set construct; }
+               public virtual signal void changed ();
                public virtual signal void custom_item_activated (string item_name);
        }
        [CCode (cheader_filename = "gtk/gtk.h", type_id = "gtk_app_chooser_dialog_get_type ()")]
@@ -7822,7 +7823,7 @@ namespace Gtk {
        public class EventControllerLegacy : Gtk.EventController {
                [CCode (has_construct_function = false, type = "GtkEventController*")]
                public EventControllerLegacy ();
-               public signal bool event (Gdk.Event object);
+               public signal bool event (Gdk.Event event);
        }
        [CCode (cheader_filename = "gtk/gtk.h", type_id = "gtk_event_controller_motion_get_type ()")]
        public class EventControllerMotion : Gtk.EventController {
@@ -7840,7 +7841,7 @@ namespace Gtk {
                public void set_flags (Gtk.EventControllerScrollFlags flags);
                public Gtk.EventControllerScrollFlags flags { get; set; }
                public signal void decelerate (double vel_x, double vel_y);
-               public signal void scroll (double dx, double dy);
+               public signal bool scroll (double dx, double dy);
                public signal void scroll_begin ();
                public signal void scroll_end ();
        }
@@ -9378,7 +9379,7 @@ namespace Gtk {
                public bool to_file (string file_name) throws GLib.Error;
                [CCode (returns_floating_reference = true)]
                public GLib.Variant to_gvariant ();
-               public void to_key_file (GLib.KeyFile key_file, string group_name);
+               public void to_key_file (GLib.KeyFile key_file, string? group_name);
        }
        [CCode (cheader_filename = "gtk/gtk.h", type_id = "gtk_paned_get_type ()")]
        public class Paned : Gtk.Container, Atk.Implementor, Gtk.Buildable, Gtk.Orientable {
@@ -9429,7 +9430,7 @@ namespace Gtk {
                [CCode (has_construct_function = false)]
                public PaperSize.from_ipp (string ipp_name, double width, double height);
                [CCode (has_construct_function = false)]
-               public PaperSize.from_key_file (GLib.KeyFile key_file, string group_name) throws GLib.Error;
+               public PaperSize.from_key_file (GLib.KeyFile key_file, string? group_name) throws GLib.Error;
                [CCode (has_construct_function = false)]
                public PaperSize.from_ppd (string ppd_name, string ppd_display_name, double width, double 
height);
                [CCode (cheader_filename = "gtk/gtk.h")]
@@ -9699,7 +9700,7 @@ namespace Gtk {
                public bool to_file (string file_name) throws GLib.Error;
                [CCode (returns_floating_reference = true)]
                public GLib.Variant to_gvariant ();
-               public void to_key_file (GLib.KeyFile key_file, string group_name);
+               public void to_key_file (GLib.KeyFile key_file, string? group_name);
                public void unset (string key);
        }
        [CCode (cheader_filename = "gtk/gtk.h", type_id = "gtk_progress_bar_get_type ()")]
@@ -11282,7 +11283,7 @@ namespace Gtk {
                public void select_range (Gtk.TreePath start_path, Gtk.TreePath end_path);
                public void selected_foreach (Gtk.TreeSelectionForeachFunc func);
                public void set_mode (Gtk.SelectionMode type);
-               public void set_select_function (owned Gtk.TreeSelectionFunc func);
+               public void set_select_function (owned Gtk.TreeSelectionFunc? func);
                public void unselect_all ();
                public void unselect_iter (Gtk.TreeIter iter);
                public void unselect_path (Gtk.TreePath path);
@@ -11393,7 +11394,7 @@ namespace Gtk {
                public void set_drag_dest_row (Gtk.TreePath? path, Gtk.TreeViewDropPosition pos);
                public void set_enable_search (bool enable_search);
                public void set_enable_tree_lines (bool enabled);
-               public void set_expander_column (Gtk.TreeViewColumn column);
+               public void set_expander_column (Gtk.TreeViewColumn? column);
                public void set_fixed_height_mode (bool enable);
                public void set_grid_lines (Gtk.TreeViewGridLines grid_lines);
                public void set_headers_clickable (bool setting);
@@ -11841,7 +11842,7 @@ namespace Gtk {
                [HasEmitter]
                public virtual signal void show ();
                [HasEmitter]
-               public virtual signal void size_allocate (Gtk.Allocation allocation, int baseline);
+               public virtual signal void size_allocate (int width, int height, int baseline);
                public virtual signal void state_flags_changed (Gtk.StateFlags previous_state_flags);
                public virtual signal void style_updated ();
                [HasEmitter]
@@ -12080,7 +12081,7 @@ namespace Gtk {
                public abstract unowned GLib.Variant get_action_target_value ();
                public abstract void set_action_name (string? action_name);
                public void set_action_target (string format_string, ...);
-               public abstract void set_action_target_value (GLib.Variant target_value);
+               public abstract void set_action_target_value (GLib.Variant? target_value);
                public void set_detailed_action_name (string detailed_action_name);
                public abstract string action_name { get; set; }
                [NoAccessorMethod]