home/.xlaunch

   1 #! /bin/bash
   2
   3 set -e
   4
   5 LOG_FILE=~/var/log/xlaunch.log
   6
   7 log() {
   8     local -r fmt="$1"
   9     shift
  10
  11     printf "${fmt}\n" $@ | twrap.sh >> "$LOG_FILE"
  12 }
  13
  14 launch_then_killall() {
  15     local -r program="$1"
  16     local -r timeout="${2:-1}" # 2nd arg or default to 1.
  17
  18     "$program"&
  19     sleep "$timeout"
  20     killall "$program"
  21 }
  22
  23 dpi_scale() {
  24     # IDK what magic is at work here, but launching mate-appearance-properties
  25     # does the job better than setting scaling variables.
  26     # TODO Get to the bottom of how it works and replicate directly.
  27     # TODO Try this: https://wiki.archlinux.org/title/HiDPI#Xorg
  28     launch_then_killall 'mate-appearance-properties' 1
  29
  30     # GDK 3 (GTK 3)
  31     # https://wiki.archlinux.org/index.php/HiDPI#GDK_3_(GTK_3)
  32     #export GDK_SCALE=2
  33
  34     # QT
  35     # https://wiki.archlinux.org/index.php/HiDPI#Qt_5
  36     # https://doc.qt.io/qt-5/highdpi.html
  37     # https://blog.qt.io/blog/2016/01/26/high-dpi-support-in-qt-5-6/
  38     #export QT_SCALE_FACTOR=2  # Causes qutebrowser UI fonts to have large gaps.
  39     #export QT_FONT_DPI=192  # Scales qutebrowser UI fonts as expected.
  40 }
  41
  42 launch_common() {
  43     local -r scripts_dir=~/.xlaunch.d
  44
  45     # XXX dunst lazily started by dbus?
  46     dunst --startup_notification -conf ~/.config/dunst/dunstrc &
  47     xbindkeys
  48     xscreensaver &
  49     dpi_scale&
  50     #mpd --kill || true
  51     #mpd
  52     log '[error] Looking for scripts in directory: "%s"' "$scripts_dir"
  53     for script in "$scripts_dir"/*; do
  54         log '[debug] Launching script: "%s"' "$script"
  55         "$script"
  56     done
  57 }
  58
  59 launch_specialized() {
  60     local -r scripts_dir=~/.xlaunch.d."$(hostname)"
  61
  62     log '[error] Looking for scripts in directory: "%s"' "$scripts_dir"
  63     if test -d "$scripts_dir"
  64     then
  65         for script in "$scripts_dir"/*; do
  66             log '[debug] Launching script: "%s"' "$script"
  67             "$script"
  68         done
  69     else
  70         log '[error] scripts_dir not found: %s' "$scripts_dir"
  71     fi
  72 }
  73
  74 main() {
  75     log '[info] Starting X11'
  76
  77     launch_common
  78     launch_specialized
  79
  80     log '[info] Launching dwm'
  81     exec dwm
  82 }
  83
  84 main