prefs: Remove titlebar-font preference

It has been unused since decorations moved into the frames client.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3075>

src/core/prefs.c

@@ -48,7 +48,6 @@
  * not given a name here, because the purpose of the unified handlers
  * is that keys should be referred to exactly once.
  */
-#define KEY_TITLEBAR_FONT "titlebar-font"
 #define KEY_NUM_WORKSPACES "num-workspaces"
 #define KEY_WORKSPACE_NAMES "workspace-names"
 
@@ -78,8 +77,6 @@ static guint changed_idle;
 static GList *listeners = NULL;
 static GHashTable *settings_schemas;
 
-static gboolean use_system_font = FALSE;
-static PangoFontDescription *titlebar_font = NULL;
 static ClutterModifierType mouse_button_mods = CLUTTER_MOD1_MASK;
 static MetaKeyCombo overlay_key_combo = { 0, 0, 0 };
 static MetaKeyCombo locate_pointer_key_combo = { 0, 0, 0 };
@@ -145,7 +142,6 @@ static void queue_changed (MetaPreference  pref);
 
 static void maybe_give_disable_workarounds_warning (void);
 
-static gboolean titlebar_handler (GVariant*, gpointer*, gpointer);
 static gboolean mouse_button_mods_handler (GVariant*, gpointer*, gpointer);
 static gboolean button_layout_handler (GVariant*, gpointer*, gpointer);
 static gboolean overlay_key_handler (GVariant*, gpointer*, gpointer);
@@ -303,13 +299,6 @@ static MetaBoolPreference preferences_bool[] =
       },
       &raise_on_click,
     },
-    {
-      { "titlebar-uses-system-font",
-        SCHEMA_GENERAL,
-        META_PREF_TITLEBAR_FONT, /* note! shares a pref */
-      },
-      &use_system_font,
-    },
     {
       { "dynamic-workspaces",
         SCHEMA_MUTTER,
@@ -414,14 +403,6 @@ static MetaStringPreference preferences_string[] =
       mouse_button_mods_handler,
       NULL,
     },
-    {
-      { KEY_TITLEBAR_FONT,
-        SCHEMA_GENERAL,
-        META_PREF_TITLEBAR_FONT,
-      },
-      titlebar_handler,
-      NULL,
-    },
     {
       { "button-layout",
         SCHEMA_GENERAL,
@@ -1234,45 +1215,6 @@ meta_prefs_get_cursor_size (void)
 /* Handlers for string preferences.                                         */
 /****************************************************************************/
 
-static gboolean
-titlebar_handler (GVariant *value,
-                  gpointer *result,
-                  gpointer data)
-{
-  PangoFontDescription *desc;
-  const gchar *string_value;
-
-  *result = NULL; /* ignored */
-  string_value = g_variant_get_string (value, NULL);
-  desc = pango_font_description_from_string (string_value);
-
-  if (desc == NULL)
-    {
-      meta_warning ("Could not parse font description "
-                    "\"%s\" from GSettings key %s",
-                    string_value ? string_value : "(null)",
-                    KEY_TITLEBAR_FONT);
-      return FALSE;
-    }
-
-  /* Is the new description the same as the old? */
-  if (titlebar_font &&
-      pango_font_description_equal (desc, titlebar_font))
-    {
-      pango_font_description_free (desc);
-    }
-  else
-    {
-      if (titlebar_font)
-        pango_font_description_free (titlebar_font);
-
-      titlebar_font = desc;
-      queue_changed (META_PREF_TITLEBAR_FONT);
-    }
-
-  return TRUE;
-}
-
 static gboolean
 mouse_button_mods_handler (GVariant *value,
                            gpointer *result,
@@ -1621,15 +1563,6 @@ iso_next_group_handler (GVariant *value,
   return TRUE;
 }
 
-const PangoFontDescription*
-meta_prefs_get_titlebar_font (void)
-{
-  if (use_system_font)
-    return NULL;
-  else
-    return titlebar_font;
-}
-
 int
 meta_prefs_get_num_workspaces (void)
 {
@@ -1673,9 +1606,6 @@ meta_preference_to_string (MetaPreference pref)
     case META_PREF_RAISE_ON_CLICK:
       return "RAISE_ON_CLICK";
 
-    case META_PREF_TITLEBAR_FONT:
-      return "TITLEBAR_FONT";
-
     case META_PREF_NUM_WORKSPACES:
       return "NUM_WORKSPACES";
 

src/meta/prefs.h

@@ -43,7 +43,6 @@
  * @META_PREF_AUTO_RAISE: auto-raise
  * @META_PREF_AUTO_RAISE_DELAY: auto-raise delay
  * @META_PREF_FOCUS_CHANGE_ON_POINTER_REST: focus change on pointer rest
- * @META_PREF_TITLEBAR_FONT: title-bar font
  * @META_PREF_NUM_WORKSPACES: number of workspaces
  * @META_PREF_DYNAMIC_WORKSPACES: dynamic workspaces
  * @META_PREF_KEYBINDINGS: keybindings
@@ -82,7 +81,6 @@ typedef enum
   META_PREF_AUTO_RAISE,
   META_PREF_AUTO_RAISE_DELAY,
   META_PREF_FOCUS_CHANGE_ON_POINTER_REST,
-  META_PREF_TITLEBAR_FONT,
   META_PREF_NUM_WORKSPACES,
   META_PREF_DYNAMIC_WORKSPACES,
   META_PREF_KEYBINDINGS,
@@ -143,10 +141,6 @@ gboolean                    meta_prefs_get_attach_modal_dialogs (void);
 META_EXPORT
 gboolean                    meta_prefs_get_raise_on_click     (void);
 
-/* returns NULL if GTK default should be used */
-META_EXPORT
-const PangoFontDescription* meta_prefs_get_titlebar_font      (void);
-
 META_EXPORT
 int                         meta_prefs_get_num_workspaces     (void);