[gtk/focusable-fixes: 5/5] treeviewcolumn: Use focusable when we mean it

[Matthias Clasen <matthiasc src gnome org>]

commit f513f3c1e674e22a577bf0674843fd3668bcf33e
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun May 23 10:37:14 2021 -0400

    treeviewcolumn: Use focusable when we mean it
    
    The focusable property has taken over the role that
    can-focus had in GTK 3.

 gtk/gtktreeviewcolumn.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/gtktreeviewcolumn.c b/gtk/gtktreeviewcolumn.c
index 66ac2ad02e..4633cacc97 100644
--- a/gtk/gtktreeviewcolumn.c
+++ b/gtk/gtktreeviewcolumn.c
@@ -1096,7 +1096,7 @@ gtk_tree_view_column_mnemonic_activate (GtkWidget *widget,
 
   if (priv->clickable)
      g_signal_emit_by_name (priv->button, "clicked");
-  else if (gtk_widget_get_can_focus (priv->button))
+  else if (gtk_widget_get_focusable (priv->button))
     gtk_widget_grab_focus (priv->button);
   else
     gtk_widget_grab_focus (priv->tree_view);