console: respect follow in eventlog

Also make it possible to toggle the option when the eventlog window has focus.

mitmproxy/tools/console/flowlist.py

@@ -65,6 +65,9 @@ class LogBufferBox(urwid.ListBox):
             self.set_focus(len(self.master.logbuffer) - 1)
         elif key == "g":
             self.set_focus(0)
+        elif key == "F":
+            o = self.master.options
+            o.focus_follow = not o.focus_follow
         return urwid.ListBox.keypress(self, size, key)
 
 

mitmproxy/tools/console/master.py

@@ -108,7 +108,8 @@ class ConsoleMaster(master.Master):
         self.logbuffer.append(e)
         if len(self.logbuffer) > EVENTLOG_SIZE:
             self.logbuffer.pop(0)
-        self.logbuffer.set_focus(len(self.logbuffer) - 1)
+        if self.options.focus_follow:
+            self.logbuffer.set_focus(len(self.logbuffer) - 1)
 
     def sig_call_in(self, sender, seconds, callback, args=()):
         def cb(*_):