[gtkmm] Gtk::Entry: Remove signal_activate()

[Kjell Ahlstedt <kjellahl src gnome org>]

commit b4a6aa5b2a749888e633f8cb8afe983fc55314dd
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Sun Feb 24 15:40:08 2019 +0100

    Gtk::Entry: Remove signal_activate()
    
    and add property_enable_emoji_completion().
    GtkEntry::activate shall not be used in application programs in gtk4.
    See https://gitlab.gnome.org/GNOME/gtk/commit/78a9b5d1edfb6da871cb73cf493f871de3fb6769

 gtk/src/entry.hg | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/src/entry.hg b/gtk/src/entry.hg
index 526184dd..088d0c0d 100644
--- a/gtk/src/entry.hg
+++ b/gtk/src/entry.hg
@@ -184,8 +184,7 @@ public:
 
   _WRAP_METHOD(void grab_focus_without_selecting(), gtk_entry_grab_focus_without_selecting)
 
-  //Note that the GTK+ C documentation for the activate signal says (as of 2012-06) that it should be used 
by applications even though it is a keybinding signal.
-  _WRAP_SIGNAL(void activate(), "activate")
+  _IGNORE_SIGNAL(activate)dnl // action signal
 
 #m4 _CONVERSION(`const GdkEventButton*',`const Glib::RefPtr<const 
Gdk::EventButton>&',`Glib::wrap(const_cast<GdkEventButton*>($3), true)')
   // no_default_handler because the wrapped C signals have no default handlers.
@@ -230,6 +229,7 @@ public:
   _WRAP_PROPERTY("populate-all", bool)
   _WRAP_PROPERTY("tabs", Pango::TabArray)
   _WRAP_PROPERTY("show-emoji-icon", bool)
+  _WRAP_PROPERTY("enable-emoji-completion", bool)
 };
 
 } //namespace Gtk