From a0ae11f2681d855ceda04bfca02932b0cd44ca37 Mon Sep 17 00:00:00 2001
From: Sam Manzi <manzi.sam@gmail.com>
Date: Sat, 19 Sep 2015 07:19:26 +1000
Subject: [PATCH] 8888 'Undo History' add help button & url

---
 gramps/gui/undohistory.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/gramps/gui/undohistory.py b/gramps/gui/undohistory.py
index 598f8de14..c23a72e73 100644
--- a/gramps/gui/undohistory.py
+++ b/gramps/gui/undohistory.py
@@ -45,6 +45,16 @@ from gi.repository import GObject
 #-------------------------------------------------------------------------
 from .dialog import QuestionDialog
 from .managedwindow import ManagedWindow
+from .display import display_help
+from gramps.gen.const import URL_MANUAL_PAGE
+
+#-------------------------------------------------------------------------
+#
+# Constants
+#
+#-------------------------------------------------------------------------
+WIKI_HELP_PAGE = '%s_-_Keybindings' % URL_MANUAL_PAGE
+WIKI_HELP_SEC = _('11')
 
 #-------------------------------------------------------------------------
 #
@@ -69,6 +79,8 @@ class UndoHistory(ManagedWindow):
         window = Gtk.Dialog("", uistate.window,
                             Gtk.DialogFlags.DESTROY_WITH_PARENT, None)
 
+        self.help_button = window.add_button(_('_Help'),
+                                             Gtk.ResponseType.HELP)
         self.undo_button = window.add_button(_('_Undo'),
                                              Gtk.ResponseType.REJECT)
         self.redo_button = window.add_button(_('_Redo'),
@@ -174,6 +186,10 @@ class UndoHistory(ManagedWindow):
         elif response_id == Gtk.ResponseType.DELETE_EVENT:
             self.close(obj)
 
+        elif response_id == Gtk.ResponseType.HELP:
+            display_help(webpage=WIKI_HELP_PAGE,
+                                section=WIKI_HELP_SEC)
+
     def build_menu_names(self, obj):
         return (self.title, None)