On 08/09/2017 11:03 AM, Frederic Muller wrote: > Hi! > > I run GNOME on a 2560x1440 resolution display where I disabled the "double scaling" > (not sure how it's called). So one pixel is one dot. Unfortunately when running Qt > applications such as VLC for example they autoscale to 1 dot for 4 pixels making > those huge and taking most of my display area. When on dual screen they even > recognize which screen is HiDPI and therefore automatically scale back on the non > HiDPI screen kind of forcing me to run all my Qt apps on that external screen. > Unfortunately I do not always have an external screen to save me... > > So is there a way (like with GNOME) to disable this feature and have Qt apps > display "normally"? FYI, this is a guess on my part since I've not had to deal with this issue. I think I would look to http://doc.qt.io/qt-5/highdpi.html and see how these environment variables may be help... QT_AUTO_SCREEN_SCALE_FACTOR [boolean] enables automatic scaling, based on the pixel density of the monitor. This will not change the size of point sized fonts, since point is a physical unit of measure. Multiple screens may get different scale factors. QT_SCALE_FACTOR [numeric] defines a global scale factor for the whole application, including point sized fonts. QT_SCREEN_SCALE_FACTORS [list] specifies scale factors for each screen. This will not change the size of point sized fonts. This environment variable is mainly useful for debugging, or to work around monitors with wrong EDID information(Extended Display Identification Data). -- Fedora Users List - The place to go to speculate endlessly
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