Description of problem: A picture says more than a thousand words: http://belegdol.fedorapeople.org/kdefonts.png I have a 1920x1080 15.6' screen. As I was told, gnome overrides the dpi (to 96 it seems), while KDE uses the real one: $ xdpyinfo | grep -B1 dot dimensions: 1920x1080 pixels (351x191 millimeters) resolution: 139x144 dots per inch The problem is that plasma desktop seems started before the dpi gets detected, resulting in fonts smaller than everything else. Overriding the dpi to 96 seems to bring the consistency back (systemsettings in this screenshot was started after the override): http://belegdol.fedorapeople.org/kdefonts2.png Version-Release number of selected component (if applicable): 4.6.2-6.fc15 How reproducible: always Steps to Reproduce: 1. Log in to KDE desktop on a high dpi screen 2. Start an application Actual results: Font sizes are inconsistent Expected results: Font sizes remain the same
Just to be sure, to you have xsettings-kde installed? Regardless, I'm not sure there's much we can do. qt/kde and gtk/gnome have chosen to treat dpi differently (ie, qt/kde respect/use dpi as reported by the system, whereas gtk generally uses only 96/120 dpi). workaround is to hard-code kde's dpi to 96 or 120 via systemsettings->application appearance->fonts->Force fonts DPI
Yes, I have installed it as Kevin told me. And look closer, the problem is that KDE apps and plasma desktop are inconsistent, look at Dolphin in the first screenshot.
FWIW, I'm not sure GTK+ really does hardcode 96 dpi. Last I checked, it didn't, but they might have changed it again. They're going back and forth on that, some GNOME developers think hardcoding dpi is broken, others think using the physical dpi is broken. kdelibs used to always default to 96 dpi, but doesn't anymore. It might be that there's some assumption about that left somewhere in the code.
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