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Alert on tmux output while its terminal is unfocused

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tmux only raises an activity flag for windows that are not currently
selected, so a long-running command in the window you left selected --
the common case, since you switch away by moving your Hyprland focus
elsewhere rather than by selecting another tmux window -- finished
silently and the indicator never lit.

Windows now also count as waiting when they are selected in an attached
client, every client showing them is unfocused, and their window_activity
is newer than an @omarchy_unfocused_activity watermark. The watermark is
stamped by a new `track` subcommand wired to client-focus-in/out and the
existing select-window hooks, so it records where attention last was.
The hooks pass #{window_id} and #{window_activity} as arguments, which
tmux expands when the hook fires; run-shell -b would otherwise let output
arriving during the handoff be swallowed by the new watermark. The focus
hooks take index 100 to leave a user's own bindings alone.

That state has no hook of its own, so it needs polling to be noticed.
The probe therefore moves out of the indicator and into a service plugin,
alongside nightlight and battery. A bar surface exists per monitor and
each one instantiates every indicator twice, once per block, so a timer
on the indicator meant a shell-out per instance per tick -- four probe
processes every three seconds on a two-monitor machine, forever. One
service polls for the whole shell instead.

Sharing the state also fixes what per-instance polling would have papered
over: each indicator used to own its own count, so a timer-driven update
only refreshed the bar it ran on and left the other monitors stale.
Refreshes still arrive over the existing indicator broadcast, which now
coalesces into a single run no matter how many bars relay it.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_018CC9kSQv8ZEogaxDoeKBzL
This commit is contained in:
David Heinemeier Hansson
2026-07-25 07:19:02 -07:00
co-authored by Claude Opus 5
parent 2503edadfc
commit e880cf77cc
9 changed files with 294 additions and 61 deletions
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config/tmux/tmux.conf
+4 -2
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@@ -85,8 +85,10 @@ set -sg escape-time 10
set-hook -g alert-bell 'run-shell -b "omarchy-shell -q omarchy.indicators refresh"'
set-hook -g alert-activity 'run-shell -b "omarchy-shell -q omarchy.indicators refresh"'
set-hook -g alert-silence 'run-shell -b "omarchy-shell -q omarchy.indicators refresh"'
set-hook -g after-select-window 'run-shell -b "omarchy-shell -q omarchy.indicators refresh"'
set-hook -g client-session-changed 'run-shell -b "omarchy-shell -q omarchy.indicators refresh"'
set-hook -g after-select-window 'run-shell -b "omarchy-tmux-alert track #{window_id} #{window_activity}"'
set-hook -g client-session-changed 'run-shell -b "omarchy-tmux-alert track #{window_id} #{window_activity}"'
set-hook -g client-focus-out[100] 'run-shell -b "omarchy-tmux-alert track #{window_id} #{window_activity}"'
set-hook -g client-focus-in[100] 'run-shell -b "omarchy-tmux-alert track #{window_id} #{window_activity}"'
# Status bar
set -g status-position top