From 8b1b8d62a2eb8e3725e4c95429d8f0e7e3c13994 Mon Sep 17 00:00:00 2001
From: Tony Lownds <tony@lownds.com>
Date: Mon, 23 Sep 2002 01:04:05 +0000
Subject: Work around Mac OS X transient window issues

---
 Lib/idlelib/CallTipWindow.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Lib/idlelib/CallTipWindow.py b/Lib/idlelib/CallTipWindow.py
index 24af6b0..1542fe7 100644
--- a/Lib/idlelib/CallTipWindow.py
+++ b/Lib/idlelib/CallTipWindow.py
@@ -29,6 +29,14 @@ class CallTip:
         self.tipwindow = tw = Toplevel(self.widget)
         tw.wm_overrideredirect(1)
         tw.wm_geometry("+%d+%d" % (x, y))
+        try:
+            # This command is only needed and available on Tk >= 8.4.0 for OSX
+            # Without it, call tips intrude on the typing process by grabbing
+            # the focus.
+            tw.tk.call("::tk::unsupported::MacWindowStyle", "style", tw._w, 
+                       "help", "noActivates")
+        except TclError:
+            pass
         label = Label(tw, text=self.text, justify=LEFT,
                       background="#ffffe0", relief=SOLID, borderwidth=1,
                       font = self.widget['font'])
-- 
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