improve ctrl-Z suspend behavior

thomasballinger · thomasballinger · commit 69eebf8f15ad · 2015-01-15T02:15:55.000-05:00
don't rerender all history
automatic refresh on resume
diff --git a/bpython/curtsies.py b/bpython/curtsies.py
@@ -79,7 +79,8 @@ def mainloop(config, locals_, banner, interp=None, paste=None, interactive=True)
 
             request_refresh = input_generator.event_trigger(bpythonevents.RefreshRequestEvent)
             schedule_refresh = input_generator.scheduled_event_trigger(bpythonevents.ScheduledRefreshRequestEvent)
-            request_reload  = input_generator.threadsafe_event_trigger(bpythonevents.ReloadEvent)
+            request_reload = input_generator.threadsafe_event_trigger(bpythonevents.ReloadEvent)
+            interrupting_refresh = input_generator.threadsafe_event_trigger(lambda: None)
 
             def on_suspend():
                 window.__exit__(None, None, None)
@@ -88,6 +89,7 @@ def on_suspend():
             def after_suspend():
                 input_generator.__enter__()
                 window.__enter__()
+                interrupting_refresh()
 
             global repl # global for easy introspection `from bpython.curtsies import repl`
             with Repl(config=config,
diff --git a/bpython/curtsiesfrontend/repl.py b/bpython/curtsiesfrontend/repl.py
@@ -399,6 +399,7 @@ def sigwinch_handler(self, signum, frame):
         logger.info('decreasing scroll offset by %d to %d', cursor_dy, self.scroll_offset)
 
     def sigtstp_handler(self, signum, frame):
+        self.scroll_offset = len(self.lines_for_display)
         self.__exit__()
         self.on_suspend()
         os.kill(os.getpid(), signal.SIGTSTP)
