[gnome-taquin] Add HAS_SOUND flag.

[Arnaud B. <arnaudb src gnome org>]

commit 62074b1e2a6baf15e5fca270de4fd676e7941c4b
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Thu Aug 1 11:10:15 2019 +0200

    Add HAS_SOUND flag.

 src/game-headerbar.vala | 15 +++++++++------
 src/game-window.vala    |  1 +
 src/taquin-main.vala    |  1 +
 3 files changed, 11 insertions(+), 6 deletions(-)
---
diff --git a/src/game-headerbar.vala b/src/game-headerbar.vala
index 8542ed9..cc6288b 100644
--- a/src/game-headerbar.vala
+++ b/src/game-headerbar.vala
@@ -30,6 +30,7 @@ private class GameHeaderBar : BaseHeaderBar, AdaptativeWidget
     [CCode (notify = false)] public bool window_has_name { private get; protected construct; default = 
false; }
     [CCode (notify = false)] public string window_name   { private get; internal  construct; default = ""; }
 
+    [CCode (notify = false)] public bool has_sound { private get; protected construct; default = false; }
     [CCode (notify = false)] public bool show_undo { private get; protected construct; default = false; }
     [CCode (notify = false)] public bool show_redo { private get; protected construct; default = false; }
     [CCode (notify = false)] public bool show_hint { private get; protected construct; default = false; }    
// TODO something
@@ -53,6 +54,7 @@ private class GameHeaderBar : BaseHeaderBar, AdaptativeWidget
         Object (about_action_label:     _about_action_label,
                 night_light_monitor:    _night_light_monitor,
                 has_keyboard_shortcuts: GameWindowFlags.SHORTCUTS in flags,
+                has_sound:              GameWindowFlags.HAS_SOUND in flags,
                 has_help:               GameWindowFlags.SHOW_HELP in flags, // TODO rename show_help
                 show_hint:              GameWindowFlags.SHOW_HINT in flags,
                 show_redo:              GameWindowFlags.SHOW_REDO in flags,
@@ -169,10 +171,10 @@ private class GameHeaderBar : BaseHeaderBar, AdaptativeWidget
     public GLib.Menu? appearance_menu { private get; protected construct; default = null; }
     protected override void populate_menu (ref GLib.Menu menu)
     {
-        append_options_section (ref menu, appearance_menu);
+        append_options_section (ref menu, appearance_menu, has_sound);
     }
 
-    private static inline void append_options_section (ref GLib.Menu menu, GLib.Menu? appearance_menu)
+    private static inline void append_options_section (ref GLib.Menu menu, GLib.Menu? appearance_menu, bool 
has_sound)
     {
         GLib.Menu section = new GLib.Menu ();
 
@@ -180,10 +182,11 @@ private class GameHeaderBar : BaseHeaderBar, AdaptativeWidget
             /* Translators: hamburger menu entry; "Appearance" submenu (with a mnemonic that appears 
pressing Alt) */
      //     section.append_submenu (_("A_ppearance"), (!) appearance_menu);
 
-
-
-        /* Translators: hamburger menu entry; sound togglebutton (with a mnemonic that appears pressing Alt) 
*/
-        section.append (_("_Sound"), "app.sound");
+        if (has_sound)
+        {
+            /* Translators: hamburger menu entry; sound togglebutton (with a mnemonic that appears pressing 
Alt) */
+            section.append (_("_Sound"), "app.sound");
+        }
 
         section.freeze ();
         menu.append_section (null, section);
diff --git a/src/game-window.vala b/src/game-window.vala
index f287d65..b3ebf7d 100644
--- a/src/game-window.vala
+++ b/src/game-window.vala
@@ -22,6 +22,7 @@ using Gtk;
 
 [Flags]
 private enum GameWindowFlags {
+    HAS_SOUND,
     SHORTCUTS,
     SHOW_HELP,
     SHOW_HINT,
diff --git a/src/taquin-main.vala b/src/taquin-main.vala
index d213ce1..9210670 100644
--- a/src/taquin-main.vala
+++ b/src/taquin-main.vala
@@ -153,6 +153,7 @@ private class Taquin : Gtk.Application, BaseApplication
                                  _("About Taquin"),
                                  /* start now */ true,     // TODO add an option to go to new-game screen?
                                  GameWindowFlags.SHOW_START_BUTTON
+                                 | GameWindowFlags.HAS_SOUND
                                  | GameWindowFlags.SHORTCUTS
                                  | GameWindowFlags.SHOW_HELP
                                  | GameWindowFlags.SHOW_UNDO,