[gtk+] Make GtkTextView deal better with !can_focus

[Matthias Clasen <matthiasc src gnome org>]

commit edd1c66041c2c9b220eadc59fb7a6a830870ddbc
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Feb 3 15:44:41 2013 -0500

    Make GtkTextView deal better with !can_focus
    
    This was pointed out in
    https://bugzilla.gnome.org/show_bug.cgi?id=693050

 gtk/gtktextview.c |   17 ++++++++++++-----
 1 files changed, 12 insertions(+), 5 deletions(-)
---
diff --git a/gtk/gtktextview.c b/gtk/gtktextview.c
index d1b4c80..2fe292c 100644
--- a/gtk/gtktextview.c
+++ b/gtk/gtktextview.c
@@ -5218,24 +5218,31 @@ gtk_text_view_focus (GtkWidget        *widget,
 {
   GtkContainer *container;
   gboolean result;
-  
-  container = GTK_CONTAINER (widget);  
+
+  container = GTK_CONTAINER (widget);
 
   if (!gtk_widget_is_focus (widget) &&
       gtk_container_get_focus_child (container) == NULL)
     {
-      gtk_widget_grab_focus (widget);
-      return TRUE;
+      if (gtk_widget_get_can_focus (widget))
+        {
+          gtk_widget_grab_focus (widget);
+          return TRUE;
+        }
+
+      return FALSE;
     }
   else
     {
+      gboolean can_focus;
       /*
        * Unset CAN_FOCUS flag so that gtk_container_focus() allows
        * children to get the focus
        */
+      can_focus = gtk_widget_get_can_focus (widget);
       gtk_widget_set_can_focus (widget, FALSE);
       result = GTK_WIDGET_CLASS (gtk_text_view_parent_class)->focus (widget, direction);
-      gtk_widget_set_can_focus (widget, TRUE);
+      gtk_widget_set_can_focus (widget, can_focus);
 
       return result;
     }