From: Serhiy Storchaka <storchaka@gmail.com>
Date: Sun, 25 Sep 2016 13:44:32 +0000 (+0300)
Subject: Issue #27611: Fixed support of default root window in the Tix module.
X-Git-Tag: v2.7.13rc1~112
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2b91fadc7f631248d5801ddfb2713d434fc3ea8b;p=python

Issue #27611: Fixed support of default root window in the Tix module.
---

diff --git a/Lib/lib-tk/Tix.py b/Lib/lib-tk/Tix.py
index 50938ccc42..a7b785e49a 100644
--- a/Lib/lib-tk/Tix.py
+++ b/Lib/lib-tk/Tix.py
@@ -477,10 +477,14 @@ class DisplayStyle:
     (multiple) Display Items"""
 
     def __init__(self, itemtype, cnf={}, **kw):
-        master = Tkinter._default_root
-        if not master and 'refwindow' in cnf: master=cnf['refwindow']
-        elif not master and 'refwindow' in kw:  master= kw['refwindow']
-        elif not master: raise RuntimeError, "Too early to create display style: no root window"
+        if 'refwindow' in kw:
+            master = kw['refwindow']
+        elif 'refwindow' in cnf:
+            master = cnf['refwindow']
+        else:
+            master = Tkinter._default_root
+            if not master:
+                raise RuntimeError("Too early to create display style: no root window")
         self.tk = master.tk
         self.stylename = self.tk.call('tixDisplayStyle', itemtype,
                             *self._options(cnf,kw) )
diff --git a/Misc/NEWS b/Misc/NEWS
index 4fa9f7cf66..2fcf554774 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -42,6 +42,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #27611: Fixed support of default root window in the Tix module.
+
 - Issue #24363: When parsing HTTP header fields, if an invalid line is
   encountered, skip it and continue parsing.  Previously, no more header
   fields were parsed, which could lead to fields for HTTP framing like