Issue #5219: Prevent event handler cascade in IDLE.
Patch by Roger Serwy.
diff --git a/Lib/idlelib/CallTipWindow.py b/Lib/idlelib/CallTipWindow.py
index 27ed085..a2431f8 100644
--- a/Lib/idlelib/CallTipWindow.py
+++ b/Lib/idlelib/CallTipWindow.py
@@ -22,6 +22,7 @@
self.parenline = self.parencol = None
self.lastline = None
self.hideid = self.checkhideid = None
+ self.checkhide_after_id = None
def position_window(self):
"""Check if needs to reposition the window, and if so - do it."""
@@ -102,7 +103,10 @@
self.hidetip()
else:
self.position_window()
- self.widget.after(CHECKHIDE_TIME, self.checkhide_event)
+ if self.checkhide_after_id is not None:
+ self.widget.after_cancel(self.checkhide_after_id)
+ self.checkhide_after_id = \
+ self.widget.after(CHECKHIDE_TIME, self.checkhide_event)
def hide_event(self, event):
if not self.tipwindow: