[four-in-a-row] Clean activate method.

[Arnaud B. <arnaudb src gnome org>]

commit f1a0c2e83edf418c3899b3dc81d28b6b3723ad13
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Sat Dec 21 14:55:29 2019 +0100

    Clean activate method.

 src/four-in-a-row.vala | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)
---
diff --git a/src/four-in-a-row.vala b/src/four-in-a-row.vala
index 6b05699..19b94f2 100644
--- a/src/four-in-a-row.vala
+++ b/src/four-in-a-row.vala
@@ -164,6 +164,7 @@ private class FourInARow : Gtk.Application
                                  history_button_2);
 
         scorebox = new Scorebox (window, this);
+        scorebox.update (score, one_player_game);    /* update visible player descriptions */
 
         add_actions ();
 
@@ -178,6 +179,9 @@ private class FourInARow : Gtk.Application
         window.allow_hint (false);
         window.allow_undo (false);
 
+        prompt_player ();
+        game_reset ();
+
         add_window (window);
     }
     private inline void add_actions ()
@@ -246,14 +250,7 @@ private class FourInARow : Gtk.Application
 
     protected override void activate ()
     {
-        if (window.is_visible ())
-            return;
-
-        window.show ();
-        game_board_view.queue_draw ();
-        scorebox.update (score, one_player_game);    /* update visible player descriptions */
-        prompt_player ();
-        game_reset ();
+        window.present ();
     }
 
     /*\