Re: 4k HiDPI displays and tkinter

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If you want to relate your screen distances to the size of characters in a
font, then you could use font's `measure` method to compute pixel distances
for *em*-s:
https://github.com/thonny/thonny/blob/3f2607ff0b27ffedac9b24a107ea9fff5f6b1f1f/thonny/ui_utils.py#L2271

Best regards,
Aivar

On Mon, Jul 12, 2021 at 8:13 PM Vasilis Vlachoudis <
[email protected]> wrote:

> Recently I've got a 4k laptop, and the first experience with linux and the
> 4k display is quite painful.
> I am still trying to tune it but for the moment my tkinter applications do
> not render nicely on such a display.
> - all widths like borderwidths, decorations, separators etc, set in pixels
> do not scale with the dpi settings. Could we use "mm" for their settings
> instead?
> - checkbox, radiobox the indicator appears tiny wrt the text
>
> Is there a way to detect from tkinter a high res display and force a
> window scaling x2 for everything?
> What is your experience with such displays?
>
> Vasilis
> _______________________________________________
> Tkinter-discuss mailing list
> [email protected]
> https://mail.python.org/mailman/listinfo/tkinter-discuss
>

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<div dir=3D"ltr">If you want to relate your screen distances to the size of=
 characters in a font, then you could use font&#39;s `measure` method to co=
mpute pixel distances for <i>em</i>-s:=C2=A0<a href=3D"https://github.com/t=
honny/thonny/blob/3f2607ff0b27ffedac9b24a107ea9fff5f6b1f1f/thonny/ui_utils.=
py#L2271">https://github.com/thonny/thonny/blob/3f2607ff0b27ffedac9b24a107e=
a9fff5f6b1f1f/thonny/ui_utils.py#L2271</a><div><br></div><div>Best regards,=
<br>Aivar</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=
=3D"gmail_attr">On Mon, Jul 12, 2021 at 8:13 PM Vasilis Vlachoudis &lt;<a h=
ref=3D"mailto:[email protected]">[email protected]</a>&gt=
; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px=
 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">




<div>
<div style=3D"direction:ltr;font-family:Tahoma;color:rgb(0,0,0);font-size:1=
0pt">Recently I&#39;ve got a 4k laptop, and the first experience with linux=
 and the 4k display is quite painful.
<div>I am still trying to tune it but for the moment my tkinter application=
s do not render nicely on such a display.</div>
<div>- all widths like borderwidths, decorations, separators etc, set in pi=
xels do not scale with the dpi settings. Could we use &quot;mm&quot; for th=
eir settings instead?</div>
<div>- checkbox, radiobox the indicator appears tiny wrt the text</div>
<div><br>
</div>
<div>Is there a way to detect from tkinter a high res display and force a w=
indow scaling x2 for everything?</div>
<div>What is your experience with such displays?</div>
<div>
<div><br>
<div style=3D"font-family:Tahoma;font-size:13px">
<div style=3D"font-family:Tahoma;font-size:13px">
<div style=3D"font-size:13px;font-family:Tahoma">
<div style=3D"font-size:13px;font-family:Tahoma"><font size=3D"1"><span sty=
le=3D"font-family:Helvetica">Vasilis=C2=A0</span><span style=3D"font-family=
:Helvetica"><br>
</span></font></div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>

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<a href=3D"mailto:[email protected]" target=3D"_blank">Tkinter-dis=
[email protected]</a><br>
<a href=3D"https://mail.python.org/mailman/listinfo/tkinter-discuss" rel=3D=
"noreferrer" target=3D"_blank">https://mail.python.org/mailman/listinfo/tki=
nter-discuss</a><br>
</blockquote></div>

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_______________________________________________
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