re-introduce button in notification in order to see it fully on screen. I just...

re-introduce button in notification in order to see it fully on screen. I just took Andrew's code from #1388 patch04. Fixes #1537

src/notify.py

@@ -132,27 +132,36 @@ class DesktopNotification:
 			
 		if event_type == _('Contact Signed In'):
 			ntype = 'presence.online'
+			button_text = _('Start Chat with Contact')
 		elif event_type == _('Contact Signed Out'):
 			ntype = 'presence.offline'
 		elif event_type in (_('New Message'), _('New Single Message'),
 			_('New Private Message')):
 			ntype = 'im.received'
+			button_text = _('Focus Received Message')
 		elif event_type == _('File Transfer Request'):
 			ntype = 'transfer'
+			button_text = _('Manage File Transfer')
 		elif event_type == _('File Transfer Error'):
 			ntype = 'transfer.error'
+			button_text = _('Manage File Transfer')
 		elif event_type in (_('File Transfer Completed'), _('File Transfer Stopped')):
 			ntype = 'transfer.complete'
+			button_text = _('Manage File Transfer')
 		elif event_type == _('New E-mail'):
 			ntype = 'email.arrived'
+			button_text = _('View New E-Mail')
 		elif event_type == _('Groupchat Invitation'):
 			ntype = 'im.invitation'
+			button_text = _('Manage Invitation')
 		else:
 			# default failsafe values
 			self.path_to_image = os.path.abspath(
 				os.path.join(gajim.DATA_DIR, 'pixmaps', 'events',
 					'chat_msg_recv.png')) # img to display
 			ntype = 'im' # Notification Type
+			button_text = event_type
+		self.response_description = button_text
 
 		self.notif = dbus_support.get_notifications_interface()
 		if self.notif is None:
@@ -195,7 +204,8 @@ class DesktopNotification:
 					dbus.String(self.path_to_image), 
 					dbus.String(self.event_type),
 					dbus.String(self.text), 
-					( dbus.String('default'), dbus.String(self.event_type) ),
+					( dbus.String(ntype),
+						dbus.String(self.response_description) ),
 					hints, 
 					dbus.UInt32(timeout*1000),
 					reply_handler=self.attach_by_id,