[lightsoff/arnaudb/drop-clutter: 1/2] Drop --gtk-mode CLI option.

[Arnaud B. <arnaudb src gnome org>]

commit d9b6ef74044169e7417db80c98a86f5355459c24
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Thu Oct 15 15:59:34 2020 +0200

    Drop --gtk-mode CLI option.

 src/lightsoff-window.vala |  9 +++------
 src/lightsoff.vala        | 11 +----------
 2 files changed, 4 insertions(+), 16 deletions(-)
---
diff --git a/src/lightsoff-window.vala b/src/lightsoff-window.vala
index 40a467c..c79591f 100644
--- a/src/lightsoff-window.vala
+++ b/src/lightsoff-window.vala
@@ -73,7 +73,7 @@ public class LightsoffWindow : ApplicationWindow
         return aspect_frame;
     }
 
-    public LightsoffWindow (bool gtk = true)
+    public LightsoffWindow ()
     {
         settings = new GLib.Settings ("org.gnome.LightsOff");
 
@@ -87,12 +87,9 @@ public class LightsoffWindow : ApplicationWindow
         int level = settings.get_int ("level");
         level_changed_cb (level);
 
-        if (gtk)
-            this.add (build_gtk_game_container (level, out game_view));
-        else
-            this.add (build_clutter_game_container (level, out game_view));
+        this.add (build_gtk_game_container (level, out game_view));
 
-        this.set_resizable (gtk);
+        this.set_resizable (true);
         game_view.level_changed.connect (level_changed_cb);
         game_view.moves_changed.connect (update_subtitle);
 
diff --git a/src/lightsoff.vala b/src/lightsoff.vala
index 6868946..ad2d168 100644
--- a/src/lightsoff.vala
+++ b/src/lightsoff.vala
@@ -17,15 +17,11 @@ public class LightsOff : Gtk.Application
     private LightsoffWindow window;
 
     private static bool version = false;
-    private static bool gtk = true;
 
     private const GLib.OptionEntry[] options = {
         // --version
         { "version", 0, 0, OptionArg.NONE, ref version, "Display version number", null },
 
-        // --gtk-mode
-        { "gtk-mode", 0, 0, OptionArg.NONE, ref gtk, "Use native graphics", null },
-
         // list terminator
         { null }
     };
@@ -58,7 +54,7 @@ public class LightsOff : Gtk.Application
         set_accels_for_action ("win.previous-level", {"<control>Page_Up"});
         set_accels_for_action ("win.next-level", {"<control>Page_Down"});
 
-        window = new LightsoffWindow (gtk);
+        window = new LightsoffWindow ();
         add_window (window);
     }
 
@@ -147,11 +143,6 @@ public class LightsOff : Gtk.Application
             print ("%s %s\n", _("Lights Off"), VERSION);
             return 0;
         }
-        if (!gtk && GtkClutter.init (ref args) != Clutter.InitError.SUCCESS)
-        {
-            warning ("Failed to initialise Clutter");
-            return Posix.EXIT_FAILURE;
-        }
 
         var app = new LightsOff ();
         return app.run ();