[five-or-more/arnaudb/gtk3: 5/24] Revert "Adapt to Dialog API."

[Arnaud B. <arnaudb src gnome org>]

commit 473d2cdaab3c6d6afb011068e55b97dbe0fa3527
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Thu Oct 22 17:27:24 2020 +0200

    Revert "Adapt to Dialog API."
    
    This reverts commit b394d3352a209bf31baf0941ad1c13b398e317de.

 src/window.vala | 22 +++++++++-------------
 1 file changed, 9 insertions(+), 13 deletions(-)
---
diff --git a/src/window.vala b/src/window.vala
index 4c2d5ac..10a318a 100644
--- a/src/window.vala
+++ b/src/window.vala
@@ -241,12 +241,11 @@ private class GameWindow : ApplicationWindow
                 if (!settings.set_string (FiveOrMoreApp.KEY_BACKGROUND_COLOR, color.to_string ()))
                     warning ("Failed to set color: %s", color.to_string ());
             });
-        dialog.response.connect ((_dialog, response) => {
-                _dialog.destroy ();
-                if (response != ResponseType.OK)
-                    settings.set_string (FiveOrMoreApp.KEY_BACKGROUND_COLOR, old_color_string);
-            });
-        dialog.present ();
+        var result = dialog.run ();
+        dialog.destroy ();
+        if (result == ResponseType.OK)
+            return;
+        settings.set_string (FiveOrMoreApp.KEY_BACKGROUND_COLOR, old_color_string);
     }
 
     private inline void reset_background ()
@@ -300,13 +299,10 @@ private class GameWindow : ApplicationWindow
             /* Translators: button of a dialog that appears when the user starts a new game while the score 
is not null; the other answer is "_Cancel" */
                                              _("_Restart"), ResponseType.OK);
 
-            restart_game_dialog.response.connect ((_restart_game_dialog, response) => {
-                    _restart_game_dialog.destroy ();
-                    if (response == ResponseType.OK)
-                        game.new_game (size);
-                });
-            restart_game_dialog.present ();
-            return;
+            var result = restart_game_dialog.run ();
+            restart_game_dialog.destroy ();
+            if (result != ResponseType.OK)
+                return;
         }
         game.new_game (size);
     }