Fix message timing on empty queue

tfw/components/frontend/message_queue_handler/message_queue_handler.py

@@ -27,14 +27,15 @@ class MessageQueueHandler:
 
     def _dispatch_messages(self):
         for message in iter(self._queue.get, None):
-            message['typing'] = not self._queue.empty()
+            is_queue_empty = self._queue.empty()
+            message['typing'] = not is_queue_empty
             self.connector.send_message(message)
-            self._sleep(self._get_sleep_time(message))
+            self._sleep(self._get_sleep_time(message, is_queue_empty))
 
-    def _get_sleep_time(self, message):
+    def _get_sleep_time(self, message, is_queue_empty):
         words_per_min = message['wpm'] if 'wpm' in message else self.wpm
         chars_per_min = self.avg_word_len * words_per_min / 60
-        return len(message['message']) / chars_per_min
+        return 0 if is_queue_empty else len(message['message']) / chars_per_min
 
     def _sleep(self, seconds):
         poll_freq = self.drain_poll_freq

tfw/components/ide/ide_handler.py

@@ -79,6 +79,7 @@ class IdeHandler:
     def read(self, message):
         if 'patterns' in message:
             self.filemanager.patterns = message['patterns']
+            self.monitor.paths = self.filemanager.parents
         try:
             message['filename'] = self.filemanager.find_file(
                 message.get('filename') or self.initial_file