iankelling.org Git - distro-setup/blob - myi3status

   1 #!/bin/bash
   2 # Copyright (C) 2019 Ian Kelling
   3 # SPDX-License-Identifier: AGPL-3.0-or-later
   4
   5 # usage:
   6 # * left click seconds to reset main timer
   7 # * right click seconds to disable minutes & half hours of main timer
   8 # * left click minutes to reset 2nd timer.
   9 # * right click minutes to disable 2nd timer
  10
  11 if [ -z "$BASH_VERSION" ]; then echo "error: shell is not bash" >&2; exit 1; fi
  12
  13 source /a/bin/errhandle/err
  14
  15 shopt -s nullglob
  16 shopt -s dotglob
  17
  18 mins=0
  19 half_hours=0
  20 fast_blocks=30
  21 start=$EPOCHSECONDS
  22 domins=true
  23
  24 day_tmp=$(cat /b/data/daystart)
  25 day_start_hour=${day_tmp%??}
  26 day_start_min=${day_tmp: -2}
  27 echo $day_start_hour > /b/data/daystart-generated
  28 echo $day_start_min >> /b/data/daystart-generated
  29 day_start=$(date -d $day_start_hour:$day_start_min +%s)
  30 # for after midnight but before the day start.
  31 if (( day_start > EPOCHSECONDS )); then
  32   day_start=$(date -d "$day_start_hour:$day_start_min yesterday" +%s)
  33 fi
  34
  35
  36 main() {
  37
  38   ## debug
  39   # if [[ $line ]]; then
  40   #   echo "line=$line" >>/tmp/t
  41   # fi
  42   case $line in
  43     ""|"[") : ;;
  44     *)
  45       json="${line#,}"
  46       case $(echo "$json" | jq -r .name) in
  47         seconds)
  48           case $(echo "$json" | jq -r .button) in
  49             1)
  50               start=$EPOCHSECONDS
  51               domins=true
  52               ;;
  53             3)
  54               domins=false
  55               ;;
  56           esac
  57           ;;
  58         mins)
  59           case $(echo "$json" | jq -r .button) in
  60             1)
  61               start2=$EPOCHSECONDS
  62               ;;
  63             3)
  64               start2=
  65               ;;
  66           esac
  67
  68           ;;
  69       esac
  70   esac
  71
  72   time=$((EPOCHSECONDS - start))
  73   total_mins=$(( time / 60 ))
  74   mins=$(( total_mins % 30 ))
  75   half_hours=$(( total_mins / 30 ))
  76
  77
  78
  79   printf '['
  80
  81
  82   if [[ $start2 ]]; then
  83     time2=$((EPOCHSECONDS - start2))
  84     total_mins2=$(( time2 / 60 ))
  85     mins2=$(( total_mins2 % 30 ))
  86     half_hours2=$(( total_mins2 / 30 ))
  87     # this is duplicate of mins and half hours except for different
  88     # colors and looking at vars above.
  89
  90     # begin half hours
  91     printf '{ "color": "#EFC93E", "full_text": "'
  92     for ((i=half_hours2-1; i >= 0 ; i--)); do
  93       printf ▉
  94       if (( i > 0 && i % 2 == 0 )); then
  95         printf " "
  96       fi
  97     done
  98     printf '"},'
  99
 100
 101     # begin minutes
 102     printf '{ "name":"mins2", "color":"#ED297D", "full_text": "'
 103     for ((i=29; i >= 0 ; i--)); do
 104       if (( i < mins2 )); then
 105         printf ▉
 106       else
 107         printf " "
 108       fi
 109       if (( i > 0 && i % 5 == 0 )); then
 110         printf " "
 111       fi
 112     done
 113     printf '"},'
 114
 115   fi
 116
 117   if $domins; then
 118     # begin half hours
 119     printf '{ "color": "#FFB542", "full_text": "'
 120     for ((i=half_hours-1; i >= 0 ; i--)); do
 121       printf ▉
 122       if (( i > 0 && i % 2 == 0 )); then
 123         printf " "
 124       fi
 125     done
 126     printf '"},'
 127
 128
 129     # begin minutes
 130     printf '{ "name":"mins", "color":"#0D6BDD", "full_text": "'
 131     for ((i=29; i >= 0 ; i--)); do
 132       if (( i < mins )); then
 133         printf ▉
 134       else
 135         printf " "
 136       fi
 137       if (( i > 0 && i % 5 == 0 )); then
 138         printf " "
 139       fi
 140     done
 141     printf '"},'
 142   fi
 143
 144   # begin seconds
 145   printf '{ "name": "seconds", "full_text": "'
 146
 147   for ((i=0; i < 20; i++)); do
 148     # This first condition is to make the transition from full to empty
 149     # be less jarring. We are filling a bucket of space with ticks of
 150     # time, we would have to choose to show full or empty, but never
 151     # both. Or we could have a half/tick to show full then empty real
 152     # quick. I decided to try having it work like a snake, empty out the
 153     # 1st quarter as we fill up the last quarter.
 154
 155     if (( i > 0 && i % 5 == 0 )); then
 156       printf " "
 157     fi
 158     i_end=$(( time % 60 / 3 + 1 ))
 159     if (( i_end - i > 15 )); then
 160       printf " "
 161     elif (( i < i_end )); then
 162       printf ▉
 163     else
 164       printf " "
 165     fi
 166   done
 167   printf '"},'
 168
 169   ## begin day percent, in thousandths, plus a spark block for ten_thousandth.
 170   printf '{ "name": "day_percent", "full_text": "'
 171
 172
 173   # after 24 hours, reset the day start
 174   if (( day_start + 24 * 60 * 60  < EPOCHSECONDS )); then
 175     day_start=$(date -d $day_start_hour:$day_start_min +%s)
 176   fi
 177
 178   spark_index="$(( (100000 -($EPOCHSECONDS - $day_start)*100000 / (16*60*60) ) % 100 / 11 ))"
 179   spark=" ▁▂▃▄▅▆▇█"
 180   # note: 960 minutes, so 10 minutes is about 1%
 181   day_thousandth=$(( 1000 - (EPOCHSECONDS - day_start)*1000 / (16*60*60) ))
 182   printf %s "$day_thousandth${spark:spark_index:1} $(date "+%l:%M")"
 183
 184   # .1% of a waking year is ~5.75 hours, or 365 thousandths of a day.
 185   # 1% of a waking year is 3.7 days
 186   # A spark line of a thousandth of a waking year is 39 minutes.
 187   year_start=$(date +%s -d 'january 1 6am')
 188   year_days=$(( (EPOCHSECONDS - year_start) / (24*60*60) ))
 189   year_start=$(( year_start + year_days * 8*60*60 ))
 190   year_spark_index=$(( ( 100000 - (EPOCHSECONDS - year_start)*100000 / (365*16*60*60) ) % 100 / 11 ))
 191   year_tenthousandth=$(( 10000 - (EPOCHSECONDS - year_start)*10000 / (365*16*60*60) ))
 192   printf %s " $year_tenthousandth${spark:year_spark_index:1}"
 193
 194
 195   echo '"}
 196 ],
 197 '
 198 }
 199
 200
 201 # pass any arg and we just run once. mainly for debugging
 202 if (( $# )); then
 203   main
 204
 205   # debug
 206   #echo date -d $day_start_hour:$day_start_min +%s
 207   #echo day_start=$day_start now=$EPOCHSECONDS
 208
 209 else
 210   printf '{ "version": 1, "click_events": true }\n['
 211   while true; do
 212     main
 213     line=
 214     read -r -t 3 line ||:
 215   done
 216 fi