Don't redraw the screen more often than necessary.

libmproxy/console.py

@@ -1306,14 +1306,18 @@ class ConsoleMaster(flow.FlowMaster):
         return size
 
     def loop(self):
+        changed = True
         try:
             while not controller.exit:
                 startloop = time.time()
-                self.statusbar.redraw()
-                size = self.drawscreen()
-                self.tick(self.masterq)
+                if changed:
+                    self.statusbar.redraw()
+                    size = self.drawscreen()
+                changed = self.tick(self.masterq)
                 self.ui.set_input_timeouts(max_wait=0.1)
                 keys = self.ui.get_input()
+                if keys:
+                    changed = True
                 for k in keys:
                     if self.prompting:
                         if k == "esc":

libmproxy/controller.py

@@ -65,6 +65,7 @@ class Master:
         self.masterq = Queue.Queue()
 
     def tick(self, q):
+        changed = False
         try:
             # This endless loop runs until the 'Queue.Empty'
             # exception is thrown. If more than one request is in
@@ -74,8 +75,10 @@ class Master:
                 # Small timeout to prevent pegging the CPU
                 msg = q.get(timeout=0.01)
                 self.handle(msg)
+                changed = True
         except Queue.Empty:
             pass
+        return changed
 
     def run(self):
         if self.server:

libmproxy/flow.py

@@ -540,7 +540,7 @@ class FlowMaster(controller.Master):
             if self.server_playback.exit and self.server_playback.count() == 0:
                 self.shutdown()
 
-        controller.Master.tick(self, q)
+        return controller.Master.tick(self, q)
 
     def load_flows(self, fr):
         """