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 #
   7 # * left click seconds to reset & enable main timer which shows 30
   8 #   minutes in blue and half hours in orange.
   9 #
  10 # * right click seconds to disable minutes & half hours of main timer
  11 #
  12 # * left click minutes to reset & enable 2nd timer.
  13 #
  14 # * right click minutes to disable 2nd timer
  15
  16 # docs:
  17 #
  18 # Sections from right to left.
  19 #
  20 # section #1, labeled day_percent
  21 #
  22 # 1. Thousandths of a 16 hour day left. 1 = 57.6 seconds.
  23 # 2. Bar of one thousand of a day which gets shorter by ninths. One ninth is 6.4 seconds.
  24 # 3. Start of the day (only the non-zero numbers). Set this with the ds command.
  25 # 4. The time right now.
  26 # 5. Ten thousands of the year left. 1 = 52:34 minutes (leap year = 52:42)
  27 # 6. Bar of 1/10,000 of a year shrinking by ninths. 1 ninth = 5:50 minutes (leap year = 5:51 mins).
  28 #
  29 # section #2, labeled seconds
  30 #
  31 # block characters, ▉, are added every 3 seconds, a total of 20 for 1
  32 # minute. The groups of 5 blocks = 15 seconds each.
  33 #
  34 # section #3, labeled mins
  35 #
  36 # Only enabled by clicking on seconds, see usage.
  37 #
  38 # Block characters are added every minute until 30, then reset. There
  39 # are 6 groups of 5 minutes.
  40 #
  41 # Section #4
  42 #
  43 # Half hours in orange, grouped into groups of 2. This will grow until
  44 # it fills the screen.
  45 #
  46 # Section #5 & 6
  47 #
  48 # Only enabled by clicking on mins section, see usage.
  49 #
  50 # These repeat sections 3 and 4 in violet and some other color.
  51 #
  52 #
  53 if [ -z "$BASH_VERSION" ]; then echo "error: shell is not bash" >&2; exit 1; fi
  54
  55 source /a/bin/errhandle/err
  56
  57 shopt -s nullglob
  58 shopt -s dotglob
  59
  60 mins=0
  61 half_hours=0
  62 fast_blocks=30
  63 start=$EPOCHSECONDS
  64 domins=false
  65
  66 if date -d 'february 29' &>/dev/null; then
  67   days_in_this_year=366
  68 else
  69   days_in_this_year=365
  70 fi
  71
  72
  73 get_daystart() {
  74   if [[ /b/data/daystart -ot /b/data/daystart-generated && $day_start_24h ]]; then
  75     return 0
  76   fi
  77   day_start_24h=$(cat /b/data/daystart)
  78   day_start_sig_digits=${day_start_24h%?}
  79   day_start_sig_digits=${day_start_sig_digits%0}
  80   day_start_hour=${day_start_24h%??}
  81   day_start_min=${day_start_24h: -2}
  82   echo $day_start_hour > /b/data/daystart-generated
  83   echo $day_start_min >> /b/data/daystart-generated
  84   day_start=$(date -d $day_start_hour:$day_start_min +%s)
  85   # for after midnight but before the day start.
  86   if (( day_start > EPOCHSECONDS )); then
  87     day_start=$(date -d "$day_start_hour:$day_start_min yesterday" +%s)
  88   fi
  89 }
  90
  91
  92 main() {
  93   get_daystart
  94
  95   ## debug
  96   # if [[ $line ]]; then
  97   #   echo "line=$line" >>/tmp/t
  98   # fi
  99   case $line in
 100     ""|"[") : ;;
 101     *)
 102       json="${line#,}"
 103       case $(echo "$json" | jq -r .name) in
 104         seconds)
 105           case $(echo "$json" | jq -r .button) in
 106             # left click
 107             1)
 108               start=$EPOCHSECONDS
 109               domins=true
 110               ;;
 111             # right click
 112             3)
 113               domins=false
 114               ;;
 115           esac
 116           ;;
 117         mins)
 118           case $(echo "$json" | jq -r .button) in
 119             1)
 120               start2=$EPOCHSECONDS
 121               ;;
 122             3)
 123               start2=
 124               ;;
 125           esac
 126
 127           ;;
 128       esac
 129   esac
 130
 131   time=$((EPOCHSECONDS - start))
 132   total_mins=$(( time / 60 ))
 133   mins=$(( total_mins % 30 ))
 134   half_hours=$(( total_mins / 30 ))
 135
 136
 137
 138   printf '['
 139
 140
 141   if [[ $start2 ]]; then
 142     time2=$((EPOCHSECONDS - start2))
 143     total_mins2=$(( time2 / 60 ))
 144     mins2=$(( total_mins2 % 30 ))
 145     half_hours2=$(( total_mins2 / 30 ))
 146     # this is duplicate of mins and half hours except for different
 147     # colors and looking at vars above.
 148
 149     # begin half hours
 150     printf '{ "color": "#EFC93E", "full_text": "'
 151     for ((i=half_hours2-1; i >= 0 ; i--)); do
 152       printf ▉
 153       if (( i > 0 && i % 2 == 0 )); then
 154         printf " "
 155       fi
 156     done
 157     printf '"},'
 158
 159
 160     # begin minutes
 161     printf '{ "name":"mins2", "color":"#ED297D", "full_text": "'
 162     for ((i=29; i >= 0 ; i--)); do
 163       if (( i < mins2 )); then
 164         printf ▉
 165       else
 166         printf " "
 167       fi
 168       if (( i > 0 && i % 5 == 0 )); then
 169         printf " "
 170       fi
 171     done
 172     printf '"},'
 173
 174   fi
 175
 176   if $domins; then
 177     # begin half hours
 178     printf '{ "color": "#FFB542", "full_text": "'
 179     for ((i=half_hours-1; i >= 0 ; i--)); do
 180       printf ▉
 181       if (( i > 0 && i % 2 == 0 )); then
 182         printf " "
 183       fi
 184     done
 185     printf '"},'
 186
 187
 188     # begin minutes
 189     printf '{ "name":"mins", "color":"#0D6BDD", "full_text": "'
 190     for ((i=29; i >= 0 ; i--)); do
 191       if (( i < mins )); then
 192         printf ▉
 193       else
 194         printf " "
 195       fi
 196       if (( i > 0 && i % 5 == 0 )); then
 197         printf " "
 198       fi
 199     done
 200     printf '"},'
 201   fi
 202
 203   # begin seconds
 204   printf '{ "name": "seconds", "full_text": "'
 205
 206   for ((i=0; i < 20; i++)); do
 207     # This first condition is to make the transition from full to empty
 208     # be less jarring. We are filling a bucket of space with ticks of
 209     # time, we would have to choose to show full or empty, but never
 210     # both. Or we could have a half/tick to show full then empty real
 211     # quick. I decided to try having it work like a snake, empty out the
 212     # 1st quarter as we fill up the last quarter.
 213
 214     if (( i > 0 && i % 5 == 0 )); then
 215       printf " "
 216     fi
 217     i_end=$(( time % 60 / 3 + 1 ))
 218     if (( i_end - i > 15 )); then
 219       printf " "
 220     elif (( i_end == 1 && i == 0 )); then
 221       printf B
 222     elif (( i < i_end )); then
 223       printf ▉
 224     else
 225       printf " "
 226     fi
 227   done
 228   printf '"},'
 229
 230   ## begin day percent, in thousandths, plus a spark block for ten_thousandth.
 231   printf '{ "name": "day_percent", "full_text": "'
 232
 233
 234   # after 24 hours, reset the day start
 235   if (( day_start + 24 * 60 * 60  < EPOCHSECONDS )); then
 236     day_start=$(date -d $day_start_hour:$day_start_min +%s)
 237   fi
 238
 239   # there are 9 spark levels, 1/9 = .111.... In order to keep it in bash math, we upscale
 240   # the number and divide by 111, 3 digits is good enough accuracy.
 241   spark_index="$(( (1000000 -($EPOCHSECONDS - $day_start)*1000000 / (16*60*60) ) % 1000 / 111 ))"
 242   spark=" ▁▂▃▄▅▆▇█"
 243   # note: 960 minutes, so 10 minutes is about 1%
 244   day_thousandth=$(( 1000 - (EPOCHSECONDS - day_start)*1000 / (16*60*60) ))
 245   printf %s "$day_thousandth${spark:spark_index:1}$day_start_sig_digits $(date "+%l:%M")"
 246
 247   # .1% of a waking year is ~5.75 hours, or 365 thousandths of a day.
 248   # 1% of a waking year is 3.7 days
 249   # A spark line of a thousandth of a waking year is 39 minutes.
 250   year_start=$(date +%s -d 'january 1 6am')
 251   year_days=$(( (EPOCHSECONDS - year_start) / (24*60*60) ))
 252   year_start=$(( year_start + year_days * 8*60*60 ))
 253   year_spark_index=$(( ( 1000000 - (EPOCHSECONDS - year_start)*1000000 / (days_in_this_year*16*60*60) ) % 1000 / 111 ))
 254   year_tenthousandth=$(( 10000 - (EPOCHSECONDS - year_start)*10000 / (days_in_this_year*16*60*60) ))
 255   printf %s " $year_tenthousandth${spark:year_spark_index:1}"
 256
 257
 258   echo '"}
 259 ],
 260 '
 261 }
 262
 263
 264 # pass any arg and we just run once. mainly for debugging
 265 if (( $# )); then
 266   main
 267
 268   # debug
 269   #echo date -d $day_start_hour:$day_start_min +%s
 270   #echo day_start=$day_start now=$EPOCHSECONDS
 271
 272 else
 273   printf '{ "version": 1, "click_events": true }\n['
 274   while true; do
 275     main
 276     line=
 277     read -r -t 3 line ||:
 278   done
 279 fi