Holding spacebar on button widget permanently makes it SUNKEN even after release (and wait).

[PythonAmateur742]

BPO	40498
Nosy	@ned-deily, @serhiy-storchaka, @E-Paine, @PythonAmateur742

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2020-06-13.04:05:53.177>
created_at = <Date 2020-05-04.11:23:16.130>
labels = ['type-bug', 'expert-tkinter']
title = 'Holding spacebar on button widget permanently makes it SUNKEN even after release (and wait).'
updated_at = <Date 2020-06-13.04:05:53.172>
user = 'https://github.com/PythonAmateur742'

bugs.python.org fields:

activity = <Date 2020-06-13.04:05:53.172>
actor = 'ned.deily'
assignee = 'none'
closed = True
closed_date = <Date 2020-06-13.04:05:53.177>
closer = 'ned.deily'
components = ['Tkinter']
creation = <Date 2020-05-04.11:23:16.130>
creator = 'PythonAmateur742'
dependencies = []
files = []
hgrepos = []
issue_num = 40498
keywords = []
message_count = 4.0
messages = ['368036', '368037', '371348', '371434']
nosy_count = 5.0
nosy_names = ['gpolo', 'ned.deily', 'serhiy.storchaka', 'epaine', 'PythonAmateur742']
pr_nums = []
priority = 'normal'
resolution = 'third party'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue40498'
versions = []

[PythonAmateur742]

See my Stack Overflow question for an example code.

https://stackoverflow.com/questions/61588397/problems-with-tkinter-button-bindings-and-behaviour

Reproduction:

1. create a single button (even without command)
2. Use tab to navigate to the button.
3. Hold space for a bit.

result: Button is now SUNKEN. Even after clicking or pressing the space again.

[PythonAmateur742]

This is a win10 issue. I haven't tried it on linux.

[E-Paine]

I agree this is a Windows issue (though I haven't tested on MacOS), but I don't think it is a tkinter issue. Running 'wish' on the following, behaves exactly the same:

pack [button .button1 -text {click me}]

Thank you for reporting this, but unless this behaviour is shown to be a tkinter issue (rather than Tk), I am of the opinion that this issue should be closed as 3rd party.

[ned-deily]

I agree that, if the problem is reproducible with wish, it's not a tkinter issue (which is just a wrapper around Tk calls). You may want to pursue it with the Tk project: https://core.tcl-lang.org/index.html