panel_bar

#! /bin/sh
#
# BSPWM panel for lemonbar

source ~/dotfiles/wm_config/wm_config

num_mon=$(bspc query -M | wc -l)


## start reading lines from stdin
while read -r line ; do
    case $line in
        S*)
            # clock output
            sys="${line#?} "
            ;;
        T*)
            # xtitle output
            title="%{F-} ${line#?} "
            ;;
        W*)
            # bspwm's state. Begin with some state variables
            wm="%{F$PANEL_ICON_COLOR}  "
            curMonActive=true

            nodeState="%{F$PANEL_ICON_COLOR}%{F-} -"
            flagState=""

            IFS=':'
            set -- ${line#?}
            while [ $# -gt 0 ] ; do
                item=$1
                name=${item#?}
                case $item in
                    [mM]*)
                        [ $num_mon -lt 2 ] && shift && continue
                        case $item in
                            m*)
                                # monitor
                                FG=$PANEL_ICON_COLOR
                                BG="-"
                                curMonActive=false
                                ;;
                            M*)
                                # focused monitor
                                FG=$PANEL_HIGHLIGHT_COLOR
                                BG="-"
                                curMonActive=true
                                ;;
                        esac
                        wm="${wm}%{F${FG}}%{B${BG}}%{A:bspc monitor -f ${name}:} ${name} %{A}%{B-}%{F-}"
                        ;;
                    [fFoOuU]*)
                        case $item in
                            f*)
                                # free desktop
                                FG=$PANEL_DIM_COLOR
                                BG="-"
                                label=""
                                ;;
                            F*)
                                # focused free desktop
                                FG=$PANEL_HIGHLIGHT_COLOR
                                BG="-"
                                label=""
                                ;;
                            o*)
                                # occupied desktop
                                FG=$PANEL_DIM_COLOR
                                BG="-"
                                label=""
                                ;;
                            O*)
                                # focused occupied desktop
                                FG=$PANEL_HIGHLIGHT_COLOR
                                BG="-"
                                label=""
                                ;;
                            u*)
                                # urgent desktop
                                FG=$PANEL_ICON_COLOR
                                BG="-"
                                label=""
                                ;;
                            U*)
                                # focused urgent desktop
                                FG=$PANEL_HIGHLIGHT_COLOR
                                BG="-"
                                label=""
                                ;;
                        esac
                        wm="${wm}%{F${FG}}%{B${BG}}%{A:bspc desktop -f ${name}:}$label%{A}%{B-}%{F-}"
                        ;;
                    [LTG]*)
                        # layout, state and flags
                        #ignore for inactive monitors
                        if [ "$curMonActive" = false ] ; then
                            shift && continue
                        fi
                        case $item in
                            L*)
                                # Layout of monitor (Tiling, Max)
                                monitorState="%{F$PANEL_HIGHLIGHT_COLOR}%{F-} ${name}"
                                ;;
                            T*)
                                #State of focused node (Tiled, Pseudo, Fullscreen)
                                nodeState="%{F$PANEL_ICON_COLOR}%{F-} ${name}"
                                ;;
                            G*)
                                #Flags
                                [[ -z $name ]] || flagState=" %{F$PANEL_HIGHLIGHT_COLOR}%{F-} ${name}"
                                ;;
                        esac
                        ;;
                esac
                shift
            done
            #number of clients
            numnodes="%{F$PANEL_HIGHLIGHT_COLOR} %{F-}$(timeout 1 bspc query --nodes -n '.window.!sticky' --desktop focused | wc -l)"
            #[ $numnodes -gt 0 ] &&

            wm="${wm} $monitorState $nodeState$flagState $numnodes"

            ## redundantly update title also when wmchanges happen:
            title=$(xtitle)

            ;; ##end of WM part
    esac

    # print the three parts, starting with the center. If it gets to long, this way lemonbar will draw left and right over it.
    printf "%s\n" "%{c}${title}%{l}${wm}   %{r}   ${sys}"
done