[gtk/matthiasc/for-master: 1/4] listbox: Make Shift-Tab work again

[Matthias Clasen <matthiasc src gnome org>]

commit 7915e998e2459eee04f0fc52d018183d26c2a4d2
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed May 13 21:45:25 2020 -0400

    listbox: Make Shift-Tab work again
    
    The previous fix broke the case where we're Shift-Tabbing
    from a listboxrow child to the row itself. This was causing
    the widget-factory2.tab-backward test to fail. Fix it, by
    grabbing the focus to the row explicitly.

 gtk/gtklistbox.c | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/gtk/gtklistbox.c b/gtk/gtklistbox.c
index bc4676566f..11e64e95ae 100644
--- a/gtk/gtklistbox.c
+++ b/gtk/gtklistbox.c
@@ -2944,6 +2944,10 @@ gtk_list_box_row_focus (GtkWidget        *widget,
       /* If exiting child container to the left, select row  */
       if (direction == GTK_DIR_LEFT || direction == GTK_DIR_TAB_BACKWARD)
         {
+          /* grab focus explicitly, since gtk_list_box_row_set_focus()
+           * refuses to steal it from a child
+           */
+          gtk_widget_grab_focus (GTK_WIDGET (row));
           gtk_list_box_row_set_focus (row);
           return TRUE;
         }