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sway: extend eww config
author
lassulus
date
(Dec 7, 2025, 10:49 AM CET)
commit
865d91f2
865d91f2e12465c795199ea8e72a4fe983be0ecb
parent
cd7502d8
cd7502d8f6fdf7dc03d613319869c6949b88f42b
+116
-13
+116
-13
2configs/desktops/sway/default.nix
+116
-13
2configs/desktops/sway/default.nix
···
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; Variables with polling - set initial values to avoid empty string errors
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(defpoll time :interval "1s" :initial "00:00" "date '+%H:%M'")
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(defpoll date :interval "60s" :initial "0000-00-00" "date '+%Y-%m-%d'")
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(defpoll cpu :interval "2s" :initial 0 "${lib.getExe cpuScript}")
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(defpoll cpu :interval "2s" :initial '{"usage": 0, "load": "0.00", "freq": 0}' "${lib.getExe cpuScript}")
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(defpoll memory :interval "2s" :initial 0 "${lib.getExe memScript}")
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(defpoll temperature :interval "2s" :initial 0 "${lib.getExe tempScript}")
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(defpoll temperature :interval "2s" :initial '{"temp": 0, "fan": 0}' "${lib.getExe tempScript}")
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(defpoll battery :interval "10s" :initial '{"capacity": "100", "icon": "", "watts": "0", "time_remaining": "--", "status": "Full"}' "${lib.getExe batteryScript}")
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(defpoll volume :interval "1s" :initial '{"level": "0", "icon": ""}' "${lib.getExe volumeScript}")
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(defpoll network :interval "5s" :initial " ..." "${lib.getExe networkScript}")
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(defpoll brightness :interval "1s" :initial 100 "${lib.getExe brightnessScript}")
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(defpoll idle-inhibited :interval "0.5s" :initial "false" "${lib.getExe idleStatusScript}")
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(deflisten workspaces :initial '[]' "${lib.getExe workspacesScript}")
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; Widget definitions
···
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(box :class "right" :orientation "h" :space-evenly false :halign "end" :spacing 8
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(network-widget)
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(volume-widget)
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(graph-widget :value cpu :icon "" :class "cpu" :unit "%")
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(graph-widget :value {cpu.usage} :icon "" :class "cpu" :unit "%" :tooltip "Load: ''${cpu.load} | ''${cpu.freq} MHz")
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(graph-widget :value memory :icon "" :class "memory" :unit "%")
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(graph-widget :value temperature :icon "" :class "temp" :unit "°")
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(graph-widget :value {temperature.temp} :icon "" :class "temp" :unit "°" :tooltip "Fan: ''${temperature.fan} RPM")
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(brightness-widget)
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(battery-widget)
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(idle-inhibitor)
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(label :class "date" :text "''${date}")
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(systray :class "systray" :icon-size 18 :spacing 4)))
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···
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:onclick "swaymsg workspace ''${ws.name}"
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{ws.name}))))
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(defwidget graph-widget [value icon class unit]
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(defwidget graph-widget [value icon class unit ?tooltip]
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(box :class "graph-module ''${class}" :orientation "h" :space-evenly false :spacing 4
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:tooltip {tooltip ?: ""}
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(graph :class "graph"
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:value value
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:thickness 3
···
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(defwidget network-widget []
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(box :class "network" :orientation "h" :space-evenly false
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(label :text "''${network}")))
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(defwidget brightness-widget []
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(button :class "brightness" :onclick "/run/current-system/sw/bin/switch-theme toggle"
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(label :text "''${brightness}% ")))
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+
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(defwidget idle-inhibitor []
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(button :class {idle-inhibited == "true" ? "idle-inhibitor active" : "idle-inhibitor"}
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:onclick "${lib.getExe idleToggleScript}"
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{idle-inhibited == "true" ? "" : ""}))
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; Window definition - screen name passed as argument
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(defwindow bar [screen]
···
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min-height: 20px;
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}
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.battery, .volume, .network, .date {
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.battery, .volume, .network, .date, .brightness {
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padding: 0 8px;
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margin: 0 2px;
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border-radius: 4px;
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background-color: #24283b;
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}
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.idle-inhibitor {
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padding: 0 8px;
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margin: 0 2px;
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border-radius: 4px;
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background-color: #24283b;
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&.active {
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background-color: #bb9af7;
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color: #1a1b26;
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}
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&:hover {
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background-color: #414868;
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}
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}
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.systray {
···
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cpuScript = pkgs.writeShellApplication {
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name = "eww-cpu";
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runtimeInputs = [ pkgs.jq ];
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text = ''
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STATE_FILE="/tmp/eww-cpu-state"
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read -r _cpu user nice system idle _rest < /proc/stat
···
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diff_total=$((total - prev_total))
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diff_idle=$((idle - prev_idle))
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if [ "$diff_total" -gt 0 ]; then
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echo $((100 * (diff_total - diff_idle) / diff_total))
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usage=$((100 * (diff_total - diff_idle) / diff_total))
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else
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echo 0
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usage=0
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fi
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else
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echo 0
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usage=0
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fi
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echo "$total $idle" > "$STATE_FILE"
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# Get load average (1 min)
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load=$(cut -d' ' -f1 /proc/loadavg)
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# Get average CPU frequency in MHz
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freq=0
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count=0
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for f in /sys/devices/system/cpu/cpu*/cpufreq/scaling_cur_freq; do
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if [ -f "$f" ]; then
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val=$(cat "$f")
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freq=$((freq + val))
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count=$((count + 1))
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fi
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done
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if [ "$count" -gt 0 ]; then
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freq=$((freq / count / 1000))
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fi
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jq -n --argjson usage "$usage" --arg load "$load" --argjson freq "$freq" \
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'{usage: $usage, load: $load, freq: $freq}'
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'';
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};
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···
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tempScript = pkgs.writeShellApplication {
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name = "eww-temp";
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runtimeInputs = [ pkgs.jq ];
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text = ''
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temp_raw=$(cat /sys/class/thermal/thermal_zone0/temp)
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echo $((temp_raw / 1000))
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temp_raw=$(cat /sys/class/thermal/thermal_zone0/temp 2>/dev/null || echo 0)
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temp=$((temp_raw / 1000))
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# Find gpdfan hwmon for fan speed
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fan=0
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for hwmon in /sys/class/hwmon/hwmon*; do
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if [ "$(cat "$hwmon/name" 2>/dev/null)" = "gpdfan" ]; then
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fan=$(cat "$hwmon/fan1_input" 2>/dev/null || echo 0)
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break
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fi
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done
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jq -n --argjson temp "$temp" --argjson fan "$fan" '{temp: $temp, fan: $fan}'
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'';
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};
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···
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'';
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};
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brightnessScript = pkgs.writeShellApplication {
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name = "eww-brightness";
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runtimeInputs = [ pkgs.brightnessctl ];
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text = ''
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brightnessctl -m | cut -d, -f4 | tr -d '%'
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'';
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};
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idleToggleScript = pkgs.writeShellApplication {
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name = "eww-idle-toggle";
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runtimeInputs = [ pkgs.systemd ];
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text = ''
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if systemctl --user is-active --quiet sway-idle-inhibit.service; then
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systemctl --user stop sway-idle-inhibit.service
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else
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systemctl --user start sway-idle-inhibit.service
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fi
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'';
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};
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idleStatusScript = pkgs.writeShellApplication {
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name = "eww-idle-status";
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runtimeInputs = [ pkgs.systemd ];
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text = ''
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if systemctl --user is-active --quiet sway-idle-inhibit.service; then
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echo "true"
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else
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echo "false"
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fi
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'';
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};
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ewwConfigDir = pkgs.runCommand "eww-config" { } ''
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mkdir -p $out
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cp ${ewwYuck} $out/eww.yuck
···
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pkgs.bash
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pkgs.sway
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];
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environment.EWW_CONFIG = "${ewwConfigDir}";
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serviceConfig = {
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Type = "simple";
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ExecStart = "${pkgs.eww}/bin/eww daemon --config ${ewwConfigDir} --no-daemonize";
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ExecStop = "${pkgs.eww}/bin/eww --config ${ewwConfigDir} kill";
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ExecStart = "${lib.getExe pkgs.eww} daemon --config ${ewwConfigDir} --no-daemonize";
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ExecStop = "${lib.getExe pkgs.eww} --config ${ewwConfigDir} kill";
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Restart = "on-failure";
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RestartSec = 1;
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};
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};
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# Idle inhibit service - toggled by eww button
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systemd.user.services.sway-idle-inhibit = {
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description = "Inhibit idle/sleep";
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serviceConfig = {
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Type = "simple";
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ExecStart = "${pkgs.systemd}/bin/systemd-inhibit --what=idle:sleep --who=eww --why='User requested' --mode=block sleep infinity";
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};
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};
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