[evolution] I#336 - Change on an existing attendee not recognized by a meeting editor

[Milan Crha <mcrha src gnome org>]

commit dc18cba645010f4ec30faaac099a700df0d76cc8
Author: Milan Crha <mcrha redhat com>
Date:   Mon Mar 11 11:30:13 2019 +0100

    I#336 - Change on an existing attendee not recognized by a meeting editor
    
    Closes https://gitlab.gnome.org/GNOME/evolution/issues/336

 src/calendar/gui/e-comp-editor-page-general.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
---
diff --git a/src/calendar/gui/e-comp-editor-page-general.c b/src/calendar/gui/e-comp-editor-page-general.c
index 41bb54794c..538aee1802 100644
--- a/src/calendar/gui/e-comp-editor-page-general.c
+++ b/src/calendar/gui/e-comp-editor-page-general.c
@@ -481,6 +481,22 @@ ecep_general_attendee_added_cb (EMeetingListView *meeting_list_view,
        g_clear_object (&comp_editor);
 }
 
+static void
+ecep_general_attendee_row_changed_cb (GtkTreeModel *model,
+                                     GtkTreePath *path,
+                                     GtkTreeIter *iter,
+                                     ECompEditorPageGeneral *page_general)
+{
+       ECompEditor *comp_editor;
+
+       comp_editor = e_comp_editor_page_ref_editor (E_COMP_EDITOR_PAGE (page_general));
+
+       if (comp_editor)
+               e_comp_editor_set_changed (comp_editor, TRUE);
+
+       g_clear_object (&comp_editor);
+}
+
 static gboolean
 ecep_general_get_organizer (ECompEditorPageGeneral *page_general,
                            gchar **out_name,
@@ -1481,6 +1497,9 @@ ecep_general_constructed (GObject *object)
        g_signal_connect (page_general->priv->attendees_list_view, "attendee-added",
                G_CALLBACK (ecep_general_attendee_added_cb), page_general);
 
+       g_signal_connect (page_general->priv->meeting_store, "row-changed",
+               G_CALLBACK (ecep_general_attendee_row_changed_cb), page_general);
+
        g_signal_connect (page_general->priv->attendees_list_view, "event",
                G_CALLBACK (ecep_general_list_view_event_cb), page_general);