start-hello

#!/bin/sh

# This script is intended to be invoked by a desktop file
# from /usr/local/share/xsessions
# where the display manager (login window) picks it up

# Find out whether we are running in a virtual machine
VM_GUEST=$(/sbin/sysctl -n kern.vm_guest)
HV_VENDOR=$(/sbin/sysctl -n hw.hv_vendor | /usr/bin/awk '{print $1}')

if [ "${VM_GUEST}" = "xen" ]; then
  VIRTUAL_MACHINE=YES
fi

if [ "${VM_GUEST}" = "vmware" ]; then
  VIRTUAL_MACHINE=YES
fi

if [ "${VM_GUEST}" = "kvm" ]; then
  VIRTUAL_MACHINE=YES
fi

if [ "${HV_VENDOR}" = "bhyve" ]; then
  VIRTUAL_MACHINE=YES
fi

if [ -f "/usr/sbin/pciconf" ] ; then
  /usr/sbin/pciconf -lv 2>/dev/null | /usr/bin/grep -q VirtualBox 2>/dev/null
  if [ $? -eq 0 ] ; then
      VIRTUAL_MACHINE=YES
  fi
fi

if [ -f "/usr/sbin/pciconf" ] ; then
  /usr/sbin/pciconf -lv 2>/dev/null | /usr/bin/grep -q VMware 2>/dev/null
  if [ $? -eq 0 ] ; then
      VIRTUAL_MACHINE=YES
  fi
fi

if [ -f "/usr/sbin/pciconf" ] ; then
  /usr/sbin/pciconf -lv 2>/dev/null | /usr/bin/grep -q QXL 2>/dev/null
  if [ $? -eq 0 ] ; then
      VIRTUAL_MACHINE=YES
  fi
fi

# Disable core dumps for applications
ulimit -c 0

# Enable FUSE and allow non-root users to mount, which gvfs requires to work
# FIXME: Remove the need for those lines in this script; how?
# FIXME: It will not work in installed mode like this, because the user may not be able to use sudo without entering a password
sudo sysctl vfs.usermount=1 || true
sudo kldload fuse.ko || true # FreeBSD up to 12.x
sudo kldload fusefs.ko || true # FreeBSD 13+, violates POLA

# Prevent Gnome-related processes at-spi-bus-launcher
# and at-spi2-registryd from bleeding into our system
# https://bbs.archlinux.org/viewtopic.php?pid=1789644#p1789644
export NO_AT_BRIDGE=1

# Start D-Bus and export DBUS_SESSION_BUS_ADDRESS;
# this is needed for D-Bus Activation to work, which gvfs requires to work
if [ -z $DBUS_SESSION_BUS_ADDRESS ] ; then
  export $(dbus-launch)
fi

# Set locale if it is not set already
# and if /usr/local/var/localize/include exists
# (might have been created by the localize script during boot)
# On FreeBSD before 13, $LANG is unset. Starting with 13, it is "C.UTF-8" when it is not specified. This is not POLA
if [ -f "/usr/local/etc/X11/xorg.conf.d/00-keyboard.conf" ] ; then
  echo "Skipping keyboard autoconfiguration because /usr/local/etc/X11/xorg.conf.d/00-keyboard.conf exists"
else
  if [ -z "${LANG}" ] || [ "C.UTF-8" = "${LANG}" ]  ; then
    if [ -e "/usr/local/var/localize/include" ] ; then
      . /usr/local/var/localize/include
      export LANG
      export MM_CHARSET
      export TZ # This leads to correct time, and to time/date formatting
      COUNTRY=$(echo "${LANG}" | cut -d _ -f 2 | cut -d "." -f 1 | tr '[A-Z]' '[a-z]')
      setxkbmap -layout "${COUNTRY}"
      setxkbmap -variant nodeadkeys 2>/dev/null
      setxkbmap -query
    fi
  fi
fi

# Use sysmouse if there is a problem with the touchpad; Credits: NomadBSD
tpquirk

# Enable tapping on touchpad; Credits: NomadBSD
enable_tapping

# Swap keys:
# On both PC and Apple keyboards, the key left from the space bar
# shall be used to invoke menu shortcuts (which applications tend to
# put on "Ctrl"). Cleaner ways to accomplish this would be welcome.
# TODO: Make this possible to change in the GUI due to popular request
# no matter what is printed on it
# TODO: Make this per-keyboard so that one can have Apple and PC keyboards
# attached at the same time while each one gets its correct treatment
# TODO: Make this hot-pluggable so that keyboards can come and go
# NOTE: In Linux, the driver for Apple keyboards has an option to do this swap
# directly in the kernel driver
DONOTSWAPCOMMANDKEY=$(grep -r "DoNotSwapCommandKey=true" ~/.config/hello/keyboard.conf)
if [ -z "${DONOTSWAPCOMMANDKEY}" ] ; then
  APPLE_KEYBOARD_DETECTED=$(sysctl kern.evdev.input | grep Apple | grep Keyboard)
  if [ -z "${APPLE_KEYBOARD_DETECTED}" ] ; then
    # On PC keyboards, swap Ctrl and Alt
    # FIXME: How to do this also for the right-hand side?
    setxkbmap -option ctrl:swap_lalt_lctl
  else
    # On Apple keyboards, swap Ctrl and Command
    setxkbmap -option ctrl:swap_lwin_lctl,ctrl:swap_rwin_rctl
  fi
fi

# Disable Caps Lock key
DONOTDISABLECAPSLOCK=$(grep -r "DoNotDisableCapslockKey=true" ~/.config/hello/keyboard.conf)
if [ -z "${DONOTDISABLECAPSLOCK}" ] ; then
  setxkbmap -option caps:none
fi

# Export XDG environment variables,
# these may be used by applications that run inside the desktop session

HERE="$(dirname "$(readlink -f "${0}")")"

export XDG_CACHE_HOME=~/.cache
export XDG_CONFIG_DIRS=/etc:/usr/local/etc/xdg:/usr/share:/usr/local/share
export XDG_CONFIG_HOME=~/.config
export XDG_DATA_DIRS=~/.local/share:/usr/local/share:/usr/share
export XDG_DATA_HOME=~/.local/share
export XDG_SESSION_CLASS=user
export XDG_SESSION_TYPE=x11

# When 'sudo -A -E <command>' is executed, use this helper appliction to get the password
export SUDO_ASKPASS=/usr/local/bin/askpass
# Using sudo.conf resulted in a password dialog when X starts

# Ensure users are never dropped into vi
export VISUAL=/usr/local/bin/nano
export EDITOR=/usr/local/bin/nano

##################
# Global menus for Gtk applications
# 
# https://github.com/rilian-la-te/vala-panel-appmenu/blob/master/subprojects/appmenu-gtk-module/README.md
##################

if [ -n "$GTK_MODULES" ]; then
    GTK_MODULES="${GTK_MODULES}:appmenu-gtk-module"
else
    GTK_MODULES="appmenu-gtk-module"
fi

if [ -z "$UBUNTU_MENUPROXY" ]; then
    UBUNTU_MENUPROXY=1
fi

export GTK_MODULES
export UBUNTU_MENUPROXY

# Export other environment variables
export QT_QPA_PLATFORMTHEME=panda

# Calculate DPI and determine whether we have a HiDPI screen. TODO: Is there a better way?
# Get vertical size in cm
vertical_cm=$(cat /var/log/Xorg.0.log | grep "Max Image Size \[cm\]" | rev |  cut -d ":" -f 1 | rev | xargs | tail -n 1)
# Get vertical size in inches, return int; man units
vertical_inches=$(units -q -t  ${vertical_cm}" cm" inches | cut -d "." -f 1)
# echo "${vertical_inches}"
vertical_pixels=$(cat /var/log/Xorg.0.log | grep "using initial mode" | cut -d x -f 2 | cut -d " " -f 1 | xargs | tail -n 1)
# echo "${vertical_pixels}"
dpi=$(expr "${vertical_pixels}" / "${vertical_inches}")
# echo "${dpi}"
# On some systems, vertical_cm and/or vertical_pixels may not be there; in this case do not assume HiDPI
if [ "${dpi}" -gt 200 ] && [ ! -z "${vertical_cm}" ] && [ ! -z "${vertical_pixels}" ] ; then
  echo "Assuming HiDPI"
  HIDPI="YES"
else
  echo "Not assuming HiDPI"
fi

if [ "$HIDPI" != "" ] ; then
  export QT_SCALE_FACTOR=2
  # Export high-DPI settings:
  # QT_ENABLE_HIGHDPI_SCALING sice Qt 5.14 enables automatic scaling
  # based on the pixel density of the monitor.
  # Replaces QT_AUTO_SCREEN_SCALE_FACTOR.
  # https://lists.qt-project.org/pipermail/development/2019-September/037434.html
  # export QT_ENABLE_HIGHDPI_SCALING=1 # Does not really seem to do anything? Because Xorg always sets DPI to 96 regardless of the facts
  export GDK_SCALE=2 # Working, but only for ints
  # export GDK_DPI_SCALE=1.5 # Not working
  # See https://ricostacruz.com/til/fractional-scaling-on-xorg-linux for a possible solution
  # for other scaling factors
fi

# Launch per-user daemons

# Global keyboard shortcuts
# It reads its configuration from
# ${XDG_CONFIG_HOME}/lxqt/globalkeyshortcuts.conf
# --config-file=FILENAME can be used several times, the last one is used for saving
# TODO: Move this functionality into Menu?
/usr/local/bin/lxqt-globalkeysd &

# Drop shadows
/usr/local/bin/picom --dbus &

# Window decorations
if [ "$HIDPI" = "" ] ; then
  xrdb -load ~/.Xresources # Ensure a constant font DPI setting; https://linuxreviews.org/HOWTO_set_DPI_in_Xorg
  /usr/local/bin/openbox --config-file ~/.openbox &
else
  xrdb -load ~/.Xresources-2x # Also change cursor size
  /usr/local/bin/openbox --config-file ~/.openbox-2x &
fi

# Desktop notifications
dunst &

# Sound mixer on FreeBSD; would need a space to show tray icons in Menubar;
# should possibly be launched by it if available?
# dsbmixer -i
# Battery monitor, same
# dsbbatmon
# Same for
# dsbmc

# Variable color temperature
# without getlalo it would use network locatization from geoclue2,
# with getlalo it gets the location from /var/db/zoneinfo
# which we posssibly should set in the Welcome Wizard,
# but then the color would be wrong for the Welcome Wizard
# Do not run this if we are running inside a virtual machine
if [ -z "$VIRTUAL_MACHINE" ] ; then
  redshift -l$(getlalo) &
fi

# Welcome Wizard
uid="$(id -u)"
if [ -e /System/Welcome.app/Welcome ] ; then
  if [ ! -e "${HOME}/.config/hello/.helloSetupDone" ] ; then
    /System/Welcome.app/Welcome
  fi
fi

# Menubar
export GTK_MODULES=appmenu-gtk-module
/usr/local/bin/menubar &

# FIXME: Does the next line have to run AFTER menubar?
# Else we see no QMenus at all, as if something was badly crashing?
### "${HERE}"/dde-globalmenu-service & # gmenudbusmenuproxy without Plasma deps
/usr/local/bin/gmenudbusmenuproxy-standalone &

# Desktop
/usr/local/bin/filer-qt --desktop &

# Per-user autostart
# for APP in ~/Applications/Autostart/* ; do
#   echo "Autostarting ${APP}"
#   launch "${APP}" &
# done

/usr/local/bin/cyber-dock

# Here we must start something that never exits;
# the session ends when that thing exits
read 1