New submission from Terry J. Reedy:
On Win 10, Python 3.5 or 3.6, IDLE Shell or Editor with at least a few lines of
text: hit Alt-G to open 'Goto' window. Enter a line # other than the current
one. Hit <Return>. Cursor moves to line enter, though it shrinks to one pixel
wide from two pixels. Line:col in status bar is updated.
Instead of hitting return, click [OK] button. Same thing happens except that
status bar line:col is NOT updated. Here is relevant code in EditorWindow,
about line 610
def goto_line_event(self, event):
text = self.text
lineno = tkSimpleDialog.askinteger("Goto",
"Go to line number:",parent=text)
text.mark_set("insert", "%d.0" % lineno)
text.see("insert")
Changing parent=text to parent=self.root makes no difference. I have not yet
tried simulating the interaction with button.invoke and
event_generate('<Key-Return>.
My guess is that one of the last two tk methods is supposed to generate a
cursor moved event that is bound to a reset status bar function. But somehow
the previous click instead of keypress inhibits the event. So this seems a tk
bug. Sethiy, what do you think?
The workaround for IDLE is to manually invoke a status bar update.
----------
components: IDLE, Tkinter
messages: 266289
nosy: serhiy.storchaka, terry.reedy
priority: normal
severity: normal
stage: test needed
status: open
title: IDLE/tkinter: in simpledialog, <Return> != [OK] click
type: behavior
versions: Python 3.5, Python 3.6
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue27115>
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