GtkFlowBox: Set orientable style classes initially

This was an omission, horizontal/vertical would only be set
when the orientation is changed.

1 files changed, 3 insertions, 0 deletions

diff --git a/gtk/gtkflowbox.c b/gtk/gtkflowbox.c
index 84c837bdad..d0dd345767 100644
--- a/gtk/gtkflowbox.c
+++ b/gtk/gtkflowbox.c
@@ -3558,6 +3558,7 @@ gtk_flow_box_set_property (GObject      *object,
       if (priv->orientation != g_value_get_enum (value))
         {
           priv->orientation = g_value_get_enum (value);
+          _gtk_orientable_set_style_classes (GTK_ORIENTABLE (box));
           /* Re-box the children in the new orientation */
           gtk_widget_queue_resize (GTK_WIDGET (box));
           g_object_notify_by_pspec (object, pspec);
@@ -3954,6 +3955,8 @@ gtk_flow_box_init (GtkFlowBox *box)
   priv->row_spacing = 0;
   priv->activate_on_single_click = TRUE;
 
+  _gtk_orientable_set_style_classes (GTK_ORIENTABLE (box));
+
   priv->children = g_sequence_new (NULL);
 
   priv->multipress_gesture = gtk_gesture_multi_press_new (GTK_WIDGET (box));