From 058562b92e6b3f0cb0e7900cb239dfd8c0bb74d9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tomasz=20Mi=C4=85sko?= <tomasz.miasko@gmail.com>
Date: Tue, 24 Jan 2017 16:39:09 +0100
Subject: [PATCH] Backward compatible keyboard shortcuts information.

Use GtkShortcutsWindow if supported, otherwise just point the user to
the wiki page with keyboard shortcuts.
---
 src/shortcuts_window.py | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/shortcuts_window.py b/src/shortcuts_window.py
index ea07dbc91..dd0bb1f14 100644
--- a/src/shortcuts_window.py
+++ b/src/shortcuts_window.py
@@ -16,8 +16,13 @@
 ## along with Gajim. If not, see <http://www.gnu.org/licenses/>.
 ##
 
+from gi.repository import Gtk
+
 import gtkgui_helpers
 
+from common import helpers
+
+__all__ = ['show']
 
 class ShortcutsWindow:
     def __init__(self):
@@ -35,4 +40,11 @@ class ShortcutsWindow:
     def _on_window_destroy(self, widget):
         self.window = None
 
-show = ShortcutsWindow().show
+def show_shortcuts_webpage(self, parent=None):
+    helpers.launch_browser_mailer('url',
+        'https://dev.gajim.org/gajim/gajim/wikis/help/keyboardshortcuts')
+
+if (3, 19) <= (Gtk.get_major_version(), Gtk.get_minor_version()):
+    show = ShortcutsWindow().show
+else:
+    show = show_shortcuts_webpage