Christopher, -Dglass.gtk.uiScale=`gsettings get org.gnome.desktop.interface text-scaling-factor`
Probably works. Em qua., 21 de fev. de 2024 às 01:57, Christopher Schnick < crschn...@xpipe.io> escreveu: > So I tested this on my Asahi Fedora Linux KDE setup. So you were right > about the scaling-factor being set to 1, but I'm still a little bit > confused about this situation. > > If I go into the KDE settings, and change the display scaling to 150% for > example, other (native) applications somehow get scaled appropriately. > However, the scaling-factor property in gsettings is an integer and gets > rounded down. So if I set display scaling to 150% in the settings, it will > still get rounded down to one, leading to a wrong scaling for JavaFX > applications. I would argue that JavaFX applications not scaling correctly > on KDE systems is not a small issue as it makes some applications unusable > unless the developer add support for custom scaling explicitly. So I have > two questions: > - Is the default dpi calculation also error prone? If not, why not always > use the manual calculation on KDE systems > - Are there better alternatives to the gsettings scaling-factor? Something > like org.gnome.desktop.interface text-scaling-factor > On 16/02/2024 21:31, Martin Fox wrote: > > Hi Christopher, > > This may be a side-effect of using KDE. To determine the UI scale the > JavaFX code consults the “scaling-factor” setting in the > “org.gnome.desktop.interface” schema. You can check this on the command > line: > > gsettings get org.gnome.desktop.interface scaling-factor > > This should be 0 so JavaFX can compute the scale itself. If it’s greater > than 0 that’s the value JavaFX will use for the UI scale. > > It appears that a KDE install can set this value to 1. In my case I > started with the ARM version of Ubuntu server and then installed KDE > (kubuntu-desktop) and afterward the scaling-factor was 1. This doesn’t > happen when installing the standard GNOME desktop. > > Martin > > On Feb 13, 2024, at 2:13 AM, Christopher Schnick <crschn...@xpipe.io> > <crschn...@xpipe.io> wrote: > > Hello, > > several users of our JavaFX applications have reported that the UI scale > is too small when the physical and logical screen resolutions differ on > Linux. For example in this case > > <Screenshot_20240125_115224(1).png> > > there is an implicit scaling factor of 150% included as the monitor is a > 4k display but is using a lowered resolution of 2560x1440. This is then > further stretched as the OS resolution is 1920x1080, but the main problem > is that the 150% factor is somehow not getting picked up and JavaFX is > treating this as a 4k display, thus making everything too small. For now > these users can use -Dglass.gtk.uiScale=1.5 but that is not a nice > solution to this problem. > > Best > Christopher Schnick > > >
