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ssh -X and size of GUI elements (KDE/Qt)

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Christian Britz

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Feb 15, 2022, 10:50:05 AM2/15/22
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Hi,

when I logon to my headless server via ssh -X, I can start graphical
applications and they are displayed on my local X server.

The font size is excactly the same as on my dektop, but GUI elements
like buttons are somehow smaller in vertical size. It seems to depend on
the used toolkit, I noticed it only for KDE/QT apps. Any idea?

Both the desktop and the server are running Bullseye currently.

Regards,
Christian

--
http://www.cb-fraggle.de

Dan Ritter

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Feb 15, 2022, 11:50:06 AM2/15/22
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Christian Britz wrote:
> Hi,
>
> when I logon to my headless server via ssh -X, I can start graphical
> applications and they are displayed on my local X server.
>
> The font size is excactly the same as on my dektop, but GUI elements
> like buttons are somehow smaller in vertical size. It seems to depend on
> the used toolkit, I noticed it only for KDE/QT apps. Any idea?

It's probably a disagreement on screen dpi settings. Check your
native setting and then replicate it on your headless server's
KDE config?

-dsr-

Christian Britz

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Feb 15, 2022, 5:10:06 PM2/15/22
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On 2022-02-15 17:26 UTC+0100, Dan Ritter wrote:
> It's probably a disagreement on screen dpi settings. Check your
> native setting and then replicate it on your headless server's
> KDE config?

Wouldn't this mainly/exclusively affect the fonts?
I set dpi in both systemsettings5 tool explicitly to 96, without effect.
(I could notice that values like 120 actually result in bigger fonts,
but nothing else.)

Anyhow, purged (almost) all KDE and Qt stuff already. :-)

Dan Ritter

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Feb 16, 2022, 9:20:05 AM2/16/22
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DPI affects anything that is drawn as scaled, rather than
bitmapped. Fonts are the most obvious effect, but most buttons
and many other interface elements are scaled.

-dsr-
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