[evolution] Bug 777766 - Inconsistent activation of "Delete Calendar" in Edit menu

[Milan Crha <mcrha src gnome org>]

commit 3c2e73bccf797918660a1728d5f99fa1c14c7462
Author: Milan Crha <mcrha redhat com>
Date:   Thu Jan 26 16:29:42 2017 +0100

    Bug 777766 - Inconsistent activation of "Delete Calendar" in Edit menu

 src/modules/calendar/e-cal-base-shell-sidebar.c |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)
---
diff --git a/src/modules/calendar/e-cal-base-shell-sidebar.c b/src/modules/calendar/e-cal-base-shell-sidebar.c
index 529abfb..fd79759 100644
--- a/src/modules/calendar/e-cal-base-shell-sidebar.c
+++ b/src/modules/calendar/e-cal-base-shell-sidebar.c
@@ -406,6 +406,15 @@ e_cal_base_shell_sidebar_ensure_source_opened (ECalBaseShellSidebar *sidebar,
 }
 
 static void
+e_cal_base_shell_sidebar_primary_selection_changed_cb (ESourceSelector *selector,
+                                                      EShellSidebar *sidebar)
+{
+       g_return_if_fail (E_IS_CAL_BASE_SHELL_SIDEBAR (sidebar));
+
+       e_shell_view_update_actions (e_shell_sidebar_get_shell_view (sidebar));
+}
+
+static void
 e_cal_base_shell_sidebar_source_selected (ESourceSelector *selector,
                                          ESource *source,
                                          ECalBaseShellSidebar *sidebar)
@@ -781,6 +790,10 @@ cal_base_shell_sidebar_constructed (GObject *object)
                cal_base_shell_sidebar);
 
        g_signal_connect (cal_base_shell_sidebar->priv->selector,
+               "primary-selection-changed", G_CALLBACK 
(e_cal_base_shell_sidebar_primary_selection_changed_cb),
+               cal_base_shell_sidebar);
+
+       g_signal_connect (cal_base_shell_sidebar->priv->selector,
                "source-selected", G_CALLBACK (e_cal_base_shell_sidebar_source_selected),
                cal_base_shell_sidebar);