bpo-46630: Fix initial focus of IDLE query dialogs (GH-31112)

On Windows, one had to Tab or click on the entry box
to get a cursor and be able to enter anything.
(cherry picked from commit d1df81a)

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>

Lib/idlelib/NEWS.txt

@@ -4,6 +4,9 @@ Released on 2022-05-16
 =========================
 
 
+bpo-46630: Make query dialogs on Windows start with a cursor in the
+entry box.
+
 bpo-46591: Make the IDLE doc URL on the About IDLE dialog clickable.
 
 bpo-45296: Clarify close, quit, and exit in IDLE.  In the File menu,

Lib/idlelib/query.py

@@ -83,6 +83,7 @@ def __init__(self, parent, title, message, *, text0='', used_names={},
 
         if not _utest:
             self.deiconify()  # Unhide now that geometry set.
+            self.entry.focus_set()
             self.wait_window()
 
     def create_widgets(self, ok_text='OK'):  # Do not replace.
@@ -100,7 +101,6 @@ def create_widgets(self, ok_text='OK'):  # Do not replace.
                            text=self.message)
         self.entryvar = StringVar(self, self.text0)
         self.entry = Entry(frame, width=30, textvariable=self.entryvar)
-        self.entry.focus_set()
         self.error_font = Font(name='TkCaptionFont',
                                exists=True, root=self.parent)
         self.entry_error = Label(frame, text=' ', foreground='red',

Misc/NEWS.d/next/IDLE/2022-02-03-15-47-53.bpo-46630.tREOjo.rst

@@ -0,0 +1 @@
+Make query dialogs on Windows start with a cursor in the entry box.