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bpo-37177: make IDLE's search dialogs transient #13869

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@@ -4,7 +4,7 @@

import unittest
from test.support import requires
from tkinter import Tk
from tkinter import Text, Tk, Toplevel
from tkinter.ttk import Frame
from idlelib import searchengine as se
from idlelib import searchbase as sdb
@@ -47,14 +47,15 @@ def test_open_and_close(self):
# open calls create_widgets, which needs default_command
self.dialog.default_command = None

# Since text parameter of .open is not used in base class,
# pass dummy 'text' instead of tk.Text().
self.dialog.open('text')
toplevel = Toplevel(self.root)
self.addCleanup(toplevel.destroy)
text = Text(toplevel)
self.dialog.open(text)
self.assertEqual(self.dialog.top.state(), 'normal')
self.dialog.close()
self.assertEqual(self.dialog.top.state(), 'withdrawn')

self.dialog.open('text', searchphrase="hello")
self.dialog.open(text, searchphrase="hello")
self.assertEqual(self.dialog.ent.get(), 'hello')
self.dialog.close()

@@ -54,6 +54,7 @@ def open(self, text, searchphrase=None):
else:
self.top.deiconify()
self.top.tkraise()
self.top.transient(text.winfo_toplevel())
if searchphrase:
self.ent.delete(0,"end")
self.ent.insert("end",searchphrase)
@@ -66,6 +67,7 @@ def close(self, event=None):
"Put dialog away for later use."
if self.top:
self.top.grab_release()
self.top.transient('')
self.top.withdraw()

def create_widgets(self):
@@ -0,0 +1,2 @@
Properly 'attach' search dialogs to their main window so that they behave
like other dialogs and do not get hidden behind their main window.