bpo-33610: IDLE's code-context always shows current context immediately (GH-14821)
Eliminate delay of up to 100ms and accompanying visual artifact.
Fix bug of never showing context when hide and show.
diff --git a/Lib/idlelib/codecontext.py b/Lib/idlelib/codecontext.py
index 9bd0fa1..3103391 100644
--- a/Lib/idlelib/codecontext.py
+++ b/Lib/idlelib/codecontext.py
@@ -63,10 +63,13 @@
"""
self.editwin = editwin
self.text = editwin.text
+ self._reset()
+
+ def _reset(self):
self.context = None
+ self.t1 = None
self.topvisible = 1
self.info = [(0, -1, "", False)]
- self.t1 = None
@classmethod
def reload(cls):
@@ -112,17 +115,17 @@
padx=padx, border=border, relief=SUNKEN, state='disabled')
self.update_highlight_colors()
self.context.bind('<ButtonRelease-1>', self.jumptoline)
+ # Get the current context and initiate the recurring update event.
+ self.timer_event()
# Pack the context widget before and above the text_frame widget,
# thus ensuring that it will appear directly above text_frame.
self.context.pack(side=TOP, fill=X, expand=False,
before=self.editwin.text_frame)
menu_status = 'Hide'
- self.t1 = self.text.after(self.UPDATEINTERVAL, self.timer_event)
else:
self.context.destroy()
- self.context = None
self.text.after_cancel(self.t1)
- self.t1 = None
+ self._reset()
menu_status = 'Show'
self.editwin.update_menu_label(menu='options', index='* Code Context',
label=f'{menu_status} Code Context')