https://bugs.kde.org/show_bug.cgi?id=389523
Bug ID: 389523
Summary: GDK_DPI_SCALE seems to have changed with the latest
updates to 0.571429. Firefox, Chromium and Thunderbird
now have tiny fonts on a hidpi screen despite existing
settings to scale the display.
Product: kde-gtk-config
Version: 5.11.95
Platform: openSUSE RPMs
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: manutort...@chakra-project.org
Reporter: aayush.agarwal...@yahoo.com
CC: aleix...@kde.org
Target Milestone: ---
Created attachment 110156
--> https://bugs.kde.org/attachment.cgi?id=110156&action=edit
The tabs and menu bars have tiny fonts, unlike the window decoration and
browser.
I have a laptop with a hidpi screen (14" 1440p). I configured my dpi to 168 and
scaled the display to 1.75.
I had to set layout.css.devPixelsPerPx;1.75 on firefox, while thunderbird was
fine out of the box with my dpi and monitor scaling settings.
This configuration worked just fine until tumbleweed updated to more recent
snapshots.
Firefox interface fonts became very small, while Thunderbird became tiny.
Modifying the layout.css attribute in thunderbird restored order to the mail
size, but the interface is still tiny.
Chromium too became tiny, with no scaling to respect hidpi screens.
I tried appending export GDK_DPI_SCALE=1.75 to my .profile. I figured maybe
there was a change in the configuration which caused this. However that did not
work.
I dug around and found that while GDK_SCALE was 1.75, GDK_DPI_SCALE was
0.571429. My export statement was ignored. Multiply the values of the two
environmental variables and you get 1.00000075, or almost exactly 1x scaling.
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