add bspwm config and use as default WM

.config/bspwm/bspwmrc

@@ -0,0 +1,21 @@
+#! /bin/sh
+
+sxhkd &
+~/.config/bspwm/panel &
+xdo lower $(xdo id -a panel)
+
+bspc monitor -d 1 2 3 4 5 6 7 8 9 0
+
+bspc config border_width         2
+bspc config window_gap           12
+
+bspc config normal_border_color '#808080'
+bspc config focused_border_color '#3585ce'
+bspc config presel_feedback_color '#3585ce'
+
+bspc config split_ratio          0.50
+bspc config single_monocle       true
+bspc config borderless_monocle   true
+bspc config gapless_monocle      true
+
+bspc rule -a Gimp desktop='^8' state=floating follow=on

.config/bspwm/panel

@@ -0,0 +1,64 @@
+#!/bin/sh
+
+BAR_BG='#1a343a'
+BAR_FG='#e2f6e1'
+ACTIVE_BG='#3585ce'
+URGENT_BG='#ff0000'
+FREE_FG='#808080'
+
+PANEL_FIFO=~/.panel-fifo
+
+[ -e "$PANEL_FIFO" ] && rm -f "$PANEL_FIFO"
+mkfifo "$PANEL_FIFO"
+
+bspc subscribe > "$PANEL_FIFO" &
+
+xtitle -sf 'T%s\n' > "$PANEL_FIFO" &
+
+while true; do
+    echo "C$(date '+%H:%M')"
+    sleep 1
+done > "$PANEL_FIFO" &
+
+while read -r line ; do
+    case "$line" in
+	C*)
+	    clock="${line#?}"
+	    ;;
+	T*)
+	    title="${line#?}"
+	    ;;
+	W*)
+	    wm=
+	    IFS=':' set -- ${line#?}
+	    while [ $# -gt 0 ]; do
+		item="$1"
+		name="${item#?}"
+		case "$item" in
+		    [fFOoUu]*)
+			case "$item" in
+			    [OF]*)
+				BG="${ACTIVE_BG}"
+				FG="-"
+				;;
+			    o*)
+				BG="-"
+				FG="-"
+				;;
+			    f*)
+				BG="-"
+				FG="${FREE_FG}"
+				;;
+			    [uU]*)
+				BG="${URGENT_BG}"
+				FG="-"
+				;;
+			esac
+			wm="${wm}%{B${BG}}%{F${FG}}%{A:bspc desktop -f ${name}:} ${name} %{A}%{B-}%{F-}"
+		esac
+		shift
+	    done
+	    ;;
+    esac
+    printf "%s\n" "  ${wm}  ${title}%{r}${clock}  "
+done < "$PANEL_FIFO" | lemonbar -B "${BAR_BG}" -F "${BAR_FG}" -n panel -f Iosevka:pixelsize=30:antialias=true:autohint=true | sh

.config/sxhkd/sxhkdrc

@@ -0,0 +1,130 @@
+#
+# wm independent hotkeys
+#
+
+# terminal emulator
+super + shift + Return
+	alacritty
+
+# program launcher
+super + p
+	dmenu_run -nb '#1a343a' -nf '#a0a0a0' -sb '#3585ce' -sf '#e0e0e0' -fn Iosevka:pixelsize=30
+
+# make sxhkd reload its configuration files:
+super + Escape
+	pkill -USR1 -x sxhkd
+
+super + e
+	emacsclient -n -c
+
+super + ctrl + p
+	bspc node -f $(xtitle -f '%u  %s\n' $(bspc query -N -n .window) | dmenu -i -l 20 -nb '#1a343a' -nf '#a0a0a0' -sb '#3585ce' -sf '#e0e0e0' -fn Iosevka:pixelsize=30 | cut -f 1 -d ' ')
+
+super + semicolon
+	echo -e 'slock\nsystemctl suspend\nsystemctl hibernate\n' | dmenu -l 20 -nb '#1a343a' -nf '#a0a0a0' -sb '#3585ce' -sf '#e0e0e0' -fn Iosevka:pixelsize=30 | sh
+
+#
+# bspwm hotkeys
+#
+
+# quit/restart bspwm
+super + alt + {q,r}
+	bspc {quit,wm -r}
+
+# close and kill
+super + {_,shift + }w
+	bspc node -{c,k}
+
+# alternate between the tiled and monocle layout
+super + m
+	bspc desktop -l next
+
+# send the newest marked node to the newest preselected node
+super + y
+	bspc node newest.marked.local -n newest.!automatic.local
+
+# swap the current node and the biggest node
+super + g
+	bspc node -s biggest
+
+#
+# state/flags
+#
+
+# set the window state
+super + {t,shift + t,s,f}
+	bspc node -t {tiled,pseudo_tiled,floating,'~fullscreen'}
+
+# set the node flags
+super + ctrl + {m,x,y,z}
+	bspc node -g {marked,locked,sticky,private}
+
+#
+# focus/swap
+#
+
+# focus the node in the given direction
+super + {_,shift + }{h,j,k,l}
+	bspc node -{f,s} {west,south,north,east}
+
+# focus the node for the given path jump
+super + {shift + p,b,comma,period}
+	bspc node -f @{parent,brother,first,second}
+
+# focus the next/previous node in the current desktop
+super + {_,shift + }c
+	bspc node -f {next,prev}.local
+
+# focus the next/previous desktop in the current monitor
+super + bracket{left,right}
+	bspc desktop -f {prev,next}.local
+
+# focus the last node/desktop
+super + {grave,Tab}
+	bspc {node,desktop} -f last
+
+# focus the older or newer node in the focus history
+super + {o,i}
+	bspc wm -h off; \
+	bspc node {older,newer} -f; \
+	bspc wm -h on
+
+# focus or send to the given desktop
+super + {_,shift + }{1-9,0}
+	bspc {desktop -f,node -d} '^{1-9,10}'
+
+#
+# preselect
+#
+
+# preselect the direction
+super + ctrl + {h,j,k,l}
+	bspc node -p {west,south,north,east}
+
+# preselect the ratio
+super + ctrl + {1-9}
+	bspc node -o 0.{1-9}
+
+# cancel the preselection for the focused node
+super + ctrl + space
+	bspc node -p cancel
+
+# cancel the preselection for the focused desktop
+super + ctrl + shift + space
+	bspc query -N -d | xargs -I id -n 1 bspc node id -p cancel
+
+#
+# move/resize
+#
+
+# expand a window by moving one of its side outward
+super + alt + {h,j,k,l}
+	bspc node -z {left -20 0,bottom 0 20,top 0 -20,right 20 0}
+
+# contract a window by moving one of its side inward
+super + alt + shift + {h,j,k,l}
+	bspc node -z {right -20 0,top 0 20,bottom 0 -20,left 20 0}
+
+# move a floating window
+super + {Left,Down,Up,Right}
+	bspc node -v {-20 0,0 20,0 -20,20 0}

.xsession

@@ -6,7 +6,7 @@ fi
 
 xrandr --auto
 xrandr --output HDMI1 --right-of DP1
-xsetroot -solid '#424242'
+xsetroot -solid '#224242'
 xrdb -merge ~/.Xresources
 setxkbmap pl -option ctrl:nocaps
 
@@ -20,6 +20,7 @@ fi
 # run emacs daemon if not running
 emacsclient --eval nil -a '' &
 
+exec /usr/bin/bspwm
 exec /usr/bin/i3
 dwm-clock &
 exec /usr/local/bin/dwm