implement autorm-unread

this reintroduces the automatic removal of 'unread' tag.
Instead of doing it when unfolding a message, it is now
done whenever the cursor us moved to a non-summary part
of the displayed message.

Also, it is dependant on the (new) config option 'auto_remove_unread'.

1 files changed, 20 insertions, 0 deletions

diff --git a/alot/buffers.py b/alot/buffers.py
index 3fa4c06d..5336864a 100644
--- a/alot/buffers.py
+++ b/alot/buffers.py
@@ -351,6 +351,26 @@ class ThreadBuffer(Buffer):
         self.body = TreeBox(self._nested_tree)
         self.message_count = self.thread.get_total_messages()
 
+
+    def render(self,size, focus=False):
+        if settings.get('auto_remove_unread'):
+            logging.debug('Tbuffer: autorm unread?')
+            msg = self.get_selected_message()
+            focus_pos = self.body.get_focus()[1]
+            summary_pos = (self.body.get_focus()[1][0],(0,))
+            cursor_on_non_summary = (focus_pos != summary_pos)
+            if cursor_on_non_summary:
+                if 'unread' in msg.get_tags():
+                    logging.debug('Tbuffer: removing unread')
+                    msg.remove_tags(['unread'])
+                    self.ui.apply_command(commands.globals.FlushCommand())
+                else:
+                    logging.debug('Tbuffer: nope, already read')
+            else:
+                logging.debug('Tbuffer: nope, cursor still on summary')
+        return self.body.render(size, focus)
+
+
     def get_selected_mid(self):
         """returns Message ID of focussed message"""
         return self.body.get_focus()[1][0]