andrejus/dotfiles
1
1
Fork 0
Code Issues Activity

feat(heartbeat): simplify to color-only lerp fade

Browse Source 
Heartbeat now emits only a tmux fg color that interpolates
teal to gray based on activity score. Status-right supplies
the time display directly. Removes bar/pill/time rendering.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This commit is contained in:
Andrejus
2026-03-13 17:17:30 +00:00
parent 396de0003c
commit b438a9d776
2 changed files with 15 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
home/.tmux/heartbeat.sh
View File

@@ -9,11 +9,7 @@
# Score capped at 100, floored at 0.
#
# Counter ticks while score > 0. Resets on tmux restart.
#
# Visual (pill with pressure bar):
# 23m ▆ — teal time + teal bar (active, score > 0)
# 5m — gray time, no bar (paused, score = 0)
# 10s ▃ — amber time + amber bar (returning from away)
# Outputs a tmux fg color that fades from teal to gray with activity.
SCORE_CAP=100
@@ -44,18 +40,16 @@ if [[ -f "$state" ]]; then
fi
# Score: check activity signals
gaining=0
if [[ -n "$prev_client" && "$client_act" != "$prev_client" ]]; then
(( score += 5 )); gaining=1
(( score += 5 ))
fi
if [[ -n "$prev_win" && "$win_act" != "$prev_win" ]]; then
(( score += 2 )); gaining=1
(( score += 2 ))
fi
if [[ "$in_mode" == "1" ]]; then
(( score += 2 )); gaining=1
(( score += 2 ))
fi
(( score-- ))
@@ -73,42 +67,18 @@ fi
printf 'prev_client=%s\nprev_win=%s\nscore=%s\nactive_total=%s\nsrv_pid=%s\nreturn_at=%s\nreturn_show=%s\n' \
"$client_act" "$win_act" "$score" "$active_total" "$tmux_pid" "$return_at" "$return_show" > "$state"
# Format seconds to ≤3 chars
fmt() {
local s=$1
if (( s < 60 )); then printf "%ds" "$s"
elif (( s < 3600 )); then printf "%dm" $(( s / 60 ))
elif (( s < 86400 )); then printf "%dh" $(( s / 3600 ))
else printf "%dd" $(( s / 86400 )); fi
# Output: tmux color code that fades teal (#2CB494) → gray (#808080)
# Interpolate RGB channels based on score (0-100)
lerp() {
local from=$1 to=$2 pct=$3
echo $(( from + (to - from) * pct / 100 ))
}
# Pressure bar: block fill (8 levels)
bar() {
local s=$1
if (( s >= 88 )); then printf '█'
elif (( s >= 75 )); then printf '▇'
elif (( s >= 63 )); then printf '▆'
elif (( s >= 50 )); then printf '▅'
elif (( s >= 38 )); then printf '▄'
elif (( s >= 25 )); then printf '▃'
elif (( s >= 13 )); then printf '▂'
elif (( s >= 1 )); then printf '▁'
else printf ' '; fi
}
# Render: pill with margin (space + bg pill + space)
render() {
local bar_fg=$1 b=$2 time_fg=$3 txt=$4 len=${#4}
local rpad=""
(( len < 3 )) && printf -v rpad "%$(( 3 - len ))s" ""
printf " #[bg=#1A1A1A,fg=%s] %s%s #[fg=%s]%s#[default] " "$time_fg" "$txt" "$rpad" "$bar_fg" "$b"
}
b=$(bar $score)
if [[ -n "$return_at" ]]; then
render "colour208" "$b" "colour208" "$(fmt $return_show)"
elif (( score > 0 )); then
render "#2CB494" "$b" "#2CB494" "$(fmt $active_total)"
printf '#[fg=colour208]'
else
render "#808080" " " "#808080" "$(fmt $active_total)"
r=$(lerp 128 44 "$score")
g=$(lerp 128 180 "$score")
b=$(lerp 128 148 "$score")
printf '#[fg=#%02X%02X%02X]' "$r" "$g" "$b"
fi