Eirik Bakke created NETBEANS-2360:
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Summary: HiDPI scaling not applied automatically on Linux
Key: NETBEANS-2360
URL: https://issues.apache.org/jira/browse/NETBEANS-2360
Project: NetBeans
Issue Type: Improvement
Components: platform - Launchers&CLI
Affects Versions: 11.0
Environment: Kubuntu 18.03
Oracle JDK 11.0.2
Reporter: Eirik Bakke
Attachments: kubunt.jpg
Running NetBeans 11 on Kubuntu 18.03, GUI text size does not seem to take into
account the system's default HiDPI scaling. This was reported in a Twitter
thread on https://twitter.com/nicktail/status/1114789604337405952 . Note that
Window decorations seem to be the correct size.
Setting the GTK_SCALE environment variable seems to fix the problem, if I
understand the originally reporter correctly. This could probably be done
easily from the NetBeans launcher script (netbeans/bin). But it wouldn't fix
the problem in multi-monitor setups. We should investigate what could be done
to make scaling work properly in multi-monitor setups involving one HiDPI
screen and one non-HiDPI screen.
Before merging a patch to the launcher script, it should be tested on a couple
of different Linux environments, using both HiDPI and non-HiDPI screens. Note
that the UNIX launcher script is also used on MacOS.
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