[issue43694] Tkinter scaling does not work on some linux systems
New submission from A_D :
When using scaling (as in root.tk.call('scaling', somenum)), some linux systems
appear to simply disregard the change.
I recently reinstalled from Ubuntu to OpenSUSE Tumbleweed and found that
scaling straight up did not work in the application I tried or the test
application -- https://github.com/Athanasius/tk-scaling. (image attached)
Tested on python 3.8.8 and 3.9.2 (pyenv)
--
components: Tkinter
files: Screenshot_20210401_132045.png
messages: 389975
nosy: aunderscored
priority: normal
severity: normal
status: open
title: Tkinter scaling does not work on some linux systems
type: behavior
versions: Python 3.7, Python 3.8, Python 3.9
Added file: https://bugs.python.org/file49924/Screenshot_20210401_132045.png
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[issue43694] Tkinter scaling does not work on some linux systems
A_D added the comment: I wasnt referring to fonts, I was refering to window scaling in general, which includes widgets and other things. Which are _also_ not being scaled correctly. The example code doesnt mess with fonts at all either, which either means the default behaves in an unexpected manner, or just that as I said scaling just straight doesnt work. -- ___ Python tracker <https://bugs.python.org/issue43694> ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue43694] Tkinter scaling does not work on some linux systems
A_D added the comment: I'd expect the windows themselves to change size based on the percentage requested. eg as shown here https://user-images.githubusercontent.com/4589845/95577562-0a794500-0a3b-11eb-914e-9a5afc500b65.png (semirelated issue: https://github.com/EDCD/EDMarketConnector/issues/750 ) -- ___ Python tracker <https://bugs.python.org/issue43694> ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue43694] Tkinter scaling does not work on some linux systems
A_D added the comment: Okay that makes sense to me. But then my next question is, why does this work on some linux systems and not others without having a specified font? Something funky about the font size? because I'd expect the platform defaults to at least be the same on different linux systems. -- ___ Python tracker <https://bugs.python.org/issue43694> ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue43694] Tkinter scaling does not work on some linux systems
A_D added the comment:
Thanks so much for your help. To anyone in the future trying to figure this
out: Apparently the default opensuse fonts (which are noto) are _not_ scalable.
In my testing the following is enough to solve the issue.
```
tk.font.nametofont('TkDefaultFont').configure(family='DejaVu Sans', size=10)
```
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