[evolution] Bug 623738 - Select All is always enabled for message list

[Matthew Barnes <mbarnes src gnome org>]

commit c07ab468d605431cfee94f5b5c4ce9e1875b8d85
Author: Matthew Barnes <mbarnes redhat com>
Date:   Sat Jul 10 09:30:19 2010 -0400

    Bug 623738 - Select All is always enabled for message list

 mail/message-list.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/mail/message-list.c b/mail/message-list.c
index fdf275b..6a05184 100644
--- a/mail/message-list.c
+++ b/mail/message-list.c
@@ -2575,10 +2575,12 @@ message_list_selectable_update_actions (ESelectable *selectable,
                                         gint n_clipboard_targets)
 {
 	GtkAction *action;
+	gboolean sensitive;
 
 	action = e_focus_tracker_get_select_all_action (focus_tracker);
+	sensitive = (e_tree_row_count (E_TREE (selectable)) > 0);
 	gtk_action_set_tooltip (action, _("Select all visible messages"));
-	gtk_action_set_sensitive (action, TRUE);
+	gtk_action_set_sensitive (action, sensitive);
 }
 
 static void