#!/bin/zsh
#
# ~/.xinitrc
#
# Executed by startx (run your window manager from here)

# GENERIC #

# Usage: .xinitrc [window-manager] [session-type]
#  where: window-manager is one of '(xmonad openbox stumpwm awesome pekwm)
#         session-type is either "local" or "remote"; upon "" defaults to "local"

# Runs system-wide xinitrc scripts
if [ -d /etc/X11/xinit/xinitrc.d ]; then
  for f in /etc/X11/xinit/xinitrc.d/*; do
    [ -x "$f" ] && . "$f"
  done
  unset f
fi

# Set the default curson used by all WM's
xsetroot -cursor_name left_ptr

# Allow swithing to/from US qwerty and dvorak layouts
setxkbmap -layout us,us -variant ,dvorak -option grp:sclk_toggle

# Initialize a local desktop session (run generic helper applications)
function init_local_session() {
    # Set a desktop background
    nitrogen --restore &
    
    # Load Xresources
    xrdb -merge ~/.Xresources

    # Create variable GENERAL_SCREEN which is the pid of a screen called "general"
    GENERAL_SCREEN=`screen -ls | grep general | cut -f1 -d'.' | sed 's/\W//g'`
    
    # Check to see if a general screen is already running
    # DEPRECIATED in favor of tmux which is started by systemd
    #if [ "x$GENERAL_SCREEN" == "x" ]; then
    #    screen -dmS general & 
    #fi

    # Start X applications that can't be started from user systemd services
    start-pulseaudio-x11 &
    unclutter &
    xcompmgr &
    xbindkeys &
    xscreensaver -no-splash &
    deskcon-server &
    emacs --daemon &
    
    # Set the default wm to xmonad
    DEFAULT_WM=xmonad
}

# Initialize a remote desktop session (run generic helper applications)
function init_remote_session() {
    # Set desktop background
    feh --bg-scale ~/.wallback/Cocaine_Wallpaper_II_by_mdornfeld.png &
    
    # Set the default wm to xmonad
    DEFAULT_WM=stumpwm
}

# Check the second cl parameter which denotes the session-type (E.g. remote, local)
case "$2" in
    # Remote session
    remote)
	init_remote_session
	break
	;;
    # Local session or unspecified
    *)
	init_local_session
        ;;
esac

# Check the first cl parameter which denotes the window-manager to use
# Notice: in each case expression below "exec app" hands over execution to some app thus
#          ceasing execution in this script so no "break" is required
case "$1" in
    xmonad|openbox|stumpwm|awesome|pekwm)
	exec "$1"
	;;
    *)
	exec "$DEFAULT_WM"
	;;
esac