refresh current buffer on SIGUSR1

1 files changed, 7 insertions, 0 deletions

diff --git a/alot/ui.py b/alot/ui.py
index d81bf0ea..54697297 100644
--- a/alot/ui.py
+++ b/alot/ui.py
@@ -3,6 +3,7 @@
 # For further details see the COPYING file
 import urwid
 import logging
+import signal
 from twisted.internet import reactor, defer
 
 from settings import settings
@@ -68,6 +69,8 @@ class UI(object):
         mainframe = urwid.Frame(urwid.SolidFill())
         self.root_widget = urwid.AttrMap(mainframe, global_att)
 
+        signal.signal(signal.SIGUSR1, self.handle_signal)
+
         # set up main loop
         self.mainloop = urwid.MainLoop(self.root_widget,
                                        handle_mouse=False,
@@ -637,3 +640,7 @@ class UI(object):
             d.addCallback(call_apply)
             d.addCallback(call_posthook)
             return d
+    def handle_signal(self, signum, frame):
+        self.current_buffer.rebuild()
+        self.update()
+