examples/panel/panel_dzen2

   1 #! /bin/sh
   2 #
   3 # Example panel for dzen2
   4
   5 font_family='sans-serif'
   6 font_size=11
   7
   8 . panel_colors
   9
  10 adaptive_centering=0
  11 screen_width=$(sres -W)
  12 NORMIFS=$IFS
  13 FIELDIFS=':'
  14 PADDING='  '
  15
  16 while getopts 'af:s:' opt ; do
  17     case "$opt" in
  18         a)
  19             adaptive_centering=1
  20             ;;
  21         f)
  22             font_family=$OPTARG
  23             ;;
  24         s)
  25             font_size=$OPTARG
  26             ;;
  27     esac
  28 done
  29
  30 shift $((OPTIND - 1))
  31
  32 while read -r line ; do
  33     case $line in
  34         S*)
  35             # system informations
  36             sys_infos="^fg($COLOR_STATUS_FG)^bg($COLOR_STATUS_BG)^ca(1, bspc toggle_visibility)${PADDING}${line#?}${PADDING}^ca()^fg()^bg()${PADDING}"
  37             ;;
  38         T*)
  39             # focused window title
  40             title="^fg($COLOR_TITLE_FG)^bg($COLOR_TITLE_BG)^ca(1, bspc toggle_floating)^ca(2, bspc toggle_locked)^ca(3, bspc close)${PADDING}${line#?}${PADDING}^ca()^ca()^ca()"
  41             ;;
  42         W*)
  43             # window manager informations
  44             wm_infos="$PADDING"
  45             IFS=$FIELDIFS
  46             set - ${line#?}
  47             while [ $# -gt 0 ] ; do
  48                 item=$1
  49                 case $item in
  50                     [DdEUu]*)
  51                         # desktops
  52                         name=${item#?}
  53                         case $item in
  54                             u*)
  55                                 # urgent (inactive) desktop
  56                                 FG=$COLOR_URGENT_FG
  57                                 BG=$COLOR_URGENT_BG
  58                                 ;;
  59                             [DU]*)
  60                                 # active desktop
  61                                 FG=$COLOR_ACTIVE_FG
  62                                 BG=$COLOR_ACTIVE_BG
  63                                 ;;
  64                             d*)
  65                                 # inactive desktop
  66                                 FG=$COLOR_INACTIVE_FG
  67                                 BG=$COLOR_INACTIVE_BG
  68                                 ;;
  69                             E*)
  70                                 # empty desktop
  71                                 FG=$COLOR_EMPTY_FG
  72                                 BG=$COLOR_EMPTY_BG
  73                                 ;;
  74                         esac
  75                         wm_infos="${wm_infos}^fg(${FG})^bg(${BG})^ca(1, bspc use ${name})^ca(2, bspc send_to ${name})^ca(3, bspc send_to ${name} --follow)${PADDING}${name}${PADDING}^ca()^ca()^ca()"
  76                         ;;
  77                     L*)
  78                         # layout
  79                         layout=$(printf "%s" "${item#?}" | sed 's/^\(.\).*/\U\1/')
  80                         wm_infos="${wm_infos}^fg()^bg()${PADDING}${PADDING}^fg($COLOR_LAYOUT_FG)^bg($COLOR_LAYOUT_BG)^ca(1, bspc cycle_layout)^ca(2, bspc balance)${PADDING}$layout${PADDING}^ca()^ca()"
  81                         ;;
  82                 esac
  83                 shift
  84             done
  85             IFS=$NORMIFS
  86             ;;
  87     esac
  88     set - $(printf '%s\0%s\0%s' "$wm_infos" "$title" "$sys_infos" | sed 's/\^[a-z]\+([^)]*)//g' | xargs -0 textwidth -f "$font_family" -s "$font_size")
  89     left_width=$1
  90     center_width=$2
  91     right_width=$3
  92     left_indent=0
  93     right_indent=$((screen_width - right_width))
  94     available_center=$((screen_width - (left_width + right_width)))
  95     if [ $available_center -lt $center_width ] ; then
  96         center_indent=$((left_indent + left_width))
  97     else
  98         if [ $adaptive_centering -eq 1 ] ; then
  99             center_indent=$((left_width + (available_center - center_width) / 2))
 100         else
 101             center_indent=$(( (screen_width - center_width) / 2 ))
 102         fi
 103     fi
 104     printf "%s\n" "^pa($center_indent)$title^pa($left_indent)$wm_infos^pa($right_indent)$sys_infos"
 105 done