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Tkinter CheckButton default label white in macOS dark mode #82442
Description
| BPO | 38261 |
|---|---|
| Nosy | @ronaldoussoren, @ned-deily |
| Superseder | |
| Files |
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 = 'https://github.com/ned-deily'
closed_at = <Date 2020-12-03.15:57:12.304>
created_at = <Date 2019-09-24.04:35:40.355>
labels = ['OS-mac', 'type-bug', 'expert-tkinter', '3.7']
title = 'Tkinter CheckButton default label white in macOS dark mode'
updated_at = <Date 2020-12-03.15:57:12.303>
user = 'https://bugs.python.org/RyangSohn'bugs.python.org fields:
activity = <Date 2020-12-03.15:57:12.303>
actor = 'ronaldoussoren'
assignee = 'ned.deily'
closed = True
closed_date = <Date 2020-12-03.15:57:12.304>
closer = 'ronaldoussoren'
components = ['macOS', 'Tkinter']
creation = <Date 2019-09-24.04:35:40.355>
creator = 'Ryang Sohn'
dependencies = []
files = ['48620']
hgrepos = []
issue_num = 38261
keywords = []
message_count = 4.0
messages = ['353056', '353060', '381125', '382422']
nosy_count = 3.0
nosy_names = ['ronaldoussoren', 'ned.deily', 'Ryang Sohn']
pr_nums = []
priority = 'normal'
resolution = 'duplicate'
stage = 'resolved'
status = 'closed'
superseder = '42541'
type = 'behavior'
url = 'https://bugs.python.org/issue38261'
versions = ['Python 3.7']
Activity
RyangSohn commentedon Sep 24, 2019
In macOS, when "Dark Mode" is turned on, TKinter's checkbutton's default label color is white, not black.
ned-deily commentedon Sep 24, 2019
I assume you are using a Python 3.7.x from a python.org macOS installer? Support for macOS dark mode is almost entirely a Tk issue as Tkinter is basically a shallow wrapper around Tk-provided APIs. We have been shipping Tk 8.6.8, s stable, slightly out-of-date version because it seemed to have the least number of issues across all of the macOS versions we support. With macOS 10.15 coming soon, I will shortly be taking another look st the latest unreleased Tk which may also have better support for dark mode.
ronaldoussoren commentedon Nov 16, 2020
The same behaviour can be observed with Tk 8.6.10 build on macOS 11.
IMHO the problem is not so much that the default text color changes, but that the background color of the window does not change, it stays the same light color as in light mode.
According to the Tk wiki <https://wiki.tcl-lang.org/page/Tk+differences+on+Mac+OS+X\> the background color should adjust itself automatically. I don't know if Tkinter does something that affects this.
ronaldoussoren commentedon Dec 3, 2020
This is a duplicate of bpo-42541.