home/.xlaunch.d/0-dpi_scale

   1 #! /bin/bash
   2
   3 set -e
   4
   5 launch_then_killall() {
   6     local -r program="$1"
   7     local -r timeout="${2:-1}" # 2nd arg or default to 1.
   8
   9     "$program"&
  10     sleep "$timeout"
  11     killall "$program"
  12 }
  13
  14 main() {
  15     # IDK what magic is at work here, but launching mate-appearance-properties
  16     # does the job better than setting scaling variables.
  17     # TODO Get to the bottom of how it works and replicate directly.
  18     # TODO Try this: https://wiki.archlinux.org/title/HiDPI#Xorg
  19     launch_then_killall 'mate-appearance-properties' 1
  20
  21     # GDK 3 (GTK 3)
  22     # https://wiki.archlinux.org/index.php/HiDPI#GDK_3_(GTK_3)
  23     #export GDK_SCALE=2
  24
  25     # QT
  26     # https://wiki.archlinux.org/index.php/HiDPI#Qt_5
  27     # https://doc.qt.io/qt-5/highdpi.html
  28     # https://blog.qt.io/blog/2016/01/26/high-dpi-support-in-qt-5-6/
  29     #export QT_SCALE_FACTOR=2  # Causes qutebrowser UI fonts to have large gaps.
  30     #export QT_FONT_DPI=192  # Scales qutebrowser UI fonts as expected.
  31 }
  32
  33 main