Access static method on class, not instance

The old GJS allowed you to access static methods on an instance of the
class that defined them. Not so with the new GJS. So instead of
any_widget.get_default_direction(), we now must do
Gtk.Widget.get_default_direction().

[endlessm/eos-sdk#3265]

1 files changed, 1 insertions, 1 deletions

diff --git a/overrides/endless_private/topbar_nav_button.js b/overrides/endless_private/topbar_nav_button.js
index 9f8f952..e49eb4b 100644
--- a/overrides/endless_private/topbar_nav_button.js
+++ b/overrides/endless_private/topbar_nav_button.js
@@ -25,7 +25,7 @@ const TopbarNavButton = new Lang.Class({
 
         let back_button_image;
         let forward_button_image;
-        let is_rtl = this.get_default_direction() === Gtk.TextDirection.RTL ? true : false;
+        let is_rtl = (Gtk.Widget.get_default_direction() === Gtk.TextDirection.RTL);
         if (is_rtl) {
             back_button_image = 'topbar-go-previous-rtl-symbolic';
             forward_button_image = 'topbar-go-next-rtl-symbolic';