Treat pending-charge as a hold only inside a real charge limit

bin/omarchy-battery-status

@@ -87,7 +87,13 @@ fi
 
 charge_holding=false
 if [[ $ac_online == "true" && -n $threshold_end ]]; then
-  if [[ $state == "pending-charge" ]]; then
+  # UPower's pending-charge only means the EC is not charging the pack — a
+  # configured limit is one reason, but so are a dead battery, an undersized
+  # adapter, or inhibit-charge. Only call it a hold when a real limit is
+  # configured and the level sits inside its band.
+  if [[ $state == "pending-charge" ]] &&
+    (( threshold_end < 99 )) &&
+    (( percentage >= ${threshold_start:-0} && percentage <= threshold_end )); then
     charge_holding=true
   elif [[ $state == "fully-charged" ]] && (( percentage < 99 )); then
     charge_holding=true
@@ -119,6 +125,10 @@ if [[ $shell_output == "true" ]]; then
     fi
   fi
 
+  # Raw limits for the panel's hold logic; empty when the kernel exposes none.
+  [[ -n $threshold_start ]] && printf 'threshold_start\t%s\n' "$threshold_start"
+  [[ -n $threshold_end ]] && printf 'threshold_end\t%s\n' "$threshold_end"
+
   exit 0
 fi
 

shell/plugins/panels/power/Model.js

@@ -49,41 +49,53 @@ function batteryFraction(device) {
   return device && device.isPresent ? Math.max(0, Math.min(1, device.percentage)) : 0
 }
 
-function chargeThresholdActive(device, onBattery, states) {
+function chargeLimitsInBand(limits, fraction) {
+  var end = Number(limits && limits.end)
+  if (!(end >= 1) || end >= 99) return false
+  var start = Number(limits && limits.start) || 0
+  return fraction * 100 >= start && fraction * 100 <= end
+}
+
+function chargeThresholdActive(device, onBattery, states, limits) {
   var d = device || {}
   var s = states || {}
   if (!(d && d.isPresent && !onBattery)) return false
 
   var fraction = batteryFraction(d)
   if (d.state === s.Discharging) return false
-  if (d.state === s.PendingCharge) return true
+  if (d.state === s.PendingCharge) {
+    // pending-charge covers any reason the EC declines to charge — including a
+    // dead battery or an undersized adapter — so only treat it as a hold when
+    // the script reports a real limit and this level could plausibly be held.
+    return chargeLimitsInBand(limits, fraction)
+  }
   if (d.state === s.FullyCharged && fraction < 0.99) return true
   if (d.state !== s.Charging || fraction >= 0.99) return false
 
   return Number(d.changeRate || 0) <= 0.2 || Number(d.timeToFull || 0) >= 8 * 60 * 60
 }
 
-function batteryIcon(device, onBattery, states) {
+function batteryIcon(device, onBattery, states, limits) {
   var d = device || {}
   if (!d.isPresent) return ""
 
   var chargingIcons = ["󰢜", "󰂆", "󰂇", "󰂈", "󰢝", "󰂉", "󰢞", "󰂊", "󰂋", "󰂅"]
   var defaultIcons = ["󰁺", "󰁻", "󰁼", "󰁽", "󰁾", "󰁿", "󰂀", "󰂁", "󰂂", "󰁹"]
   var index = Math.max(0, Math.min(9, Math.floor(d.percentage * 10)))
-  var threshold = chargeThresholdActive(d, onBattery, states)
+  var threshold = chargeThresholdActive(d, onBattery, states, limits)
 
   if (threshold) return defaultIcons[index]
   if (d.state === states.FullyCharged) return "󰂅"
   if (!onBattery) return chargingIcons[index]
   return defaultIcons[index]
 }
 
-function modeLabel(device, onBattery, states) {
+function modeLabel(device, onBattery, states, limits) {
   var d = device || {}
   if (!d.isPresent) return ""
 
   var percentage = d.isPresent ? d.percentage : 0
-  if (chargeThresholdActive(d, onBattery, states)) return "Threshold"
+  if (chargeThresholdActive(d, onBattery, states, limits)) return "Threshold"
   if (onBattery) return "On battery"
   if (!onBattery && percentage >= 1) return "Fully charged"
   return "Charging"

shell/plugins/panels/power/Panel.qml

@@ -47,14 +47,21 @@ Panel {
     setProfile(profiles[profileIndex])
   }
 
+  // Raw charge limits reported by omarchy-battery-status; empty until the
+  // first refresh lands and absent entirely on machines without a limit.
+  readonly property var batteryLimits: ({
+    start: batteryInfo.threshold_start,
+    end: batteryInfo.threshold_end
+  })
+
   function batteryIcon() {
     var device = UPower.displayDevice
-    return Model.batteryIcon(device, root.discharging, upowerStates())
+    return Model.batteryIcon(device, root.discharging, upowerStates(), root.batteryLimits)
   }
 
   function modeLabel() {
     var device = UPower.displayDevice
-    return Model.modeLabel(device, root.discharging, upowerStates())
+    return Model.modeLabel(device, root.discharging, upowerStates(), root.batteryLimits)
   }
 
   function profileIcon(name) {
@@ -71,7 +78,7 @@ Panel {
   }
   readonly property bool chargeThresholdActive: {
     var device = UPower.displayDevice
-    return Model.chargeThresholdActive(device, root.discharging, upowerStates())
+    return Model.chargeThresholdActive(device, root.discharging, upowerStates(), root.batteryLimits)
   }
   readonly property bool batteryFull: fullyCharged || (!root.discharging && batteryFraction >= 1)
   readonly property bool batteryFlowIdle: batteryFull || chargeThresholdActive

test/shell.d/battery-status-test.sh

@@ -8,9 +8,6 @@ tmp_dir=$(mktemp -d)
 trap 'rm -rf "$tmp_dir"' EXIT
 
 mkdir -p "$tmp_dir/bin"
-mkdir -p "$tmp_dir/power/BAT0"
-printf '900000\n' >"$tmp_dir/power/BAT0/current_now"
-printf '12000000\n' >"$tmp_dir/power/BAT0/voltage_now"
 cat >"$tmp_dir/bin/upower" <<'STUB'
 #!/bin/bash
 
@@ -20,32 +17,83 @@ if [[ $1 == "-e" ]]; then
 fi
 
 if [[ $1 == "-i" ]]; then
-  cat <<'INFO'
+  cat "${UPOWER_INFO:?}"
+  exit 0
+fi
+
+exit 1
+STUB
+chmod +x "$tmp_dir/bin/upower"
+
+setup_battery() {
+  local state=$1 percentage=$2 start=$3 end=$4
+  rm -rf "$tmp_dir/power"
+  mkdir -p "$tmp_dir/power/BAT0" "$tmp_dir/power/AC"
+  printf '900000\n' >"$tmp_dir/power/BAT0/current_now"
+  printf '12000000\n' >"$tmp_dir/power/BAT0/voltage_now"
+  printf 'Mains\n' >"$tmp_dir/power/AC/type"
+  printf '1\n' >"$tmp_dir/power/AC/online"
+  [[ -n $start ]] && printf '%s\n' "$start" >"$tmp_dir/power/BAT0/charge_control_start_threshold"
+  [[ -n $end ]] && printf '%s\n' "$end" >"$tmp_dir/power/BAT0/charge_control_end_threshold"
+  UPOWER_INFO="$tmp_dir/info"
+  cat >"$UPOWER_INFO" <<INFO
   native-path:          BAT0
-  state:                discharging
+  state:                $state
   energy:               28.3 Wh
   energy-full:          56.7 Wh
   energy-rate:          7.3 W
   time to empty:        2.5 hours
-  percentage:           51%
+  percentage:           $percentage%
 INFO
-  exit 0
-fi
+  export UPOWER_INFO
+}
 
-exit 1
-STUB
-chmod +x "$tmp_dir/bin/upower"
+run_shell() {
+  OMARCHY_POWER_SUPPLY_PATH="$tmp_dir/power" PATH="$tmp_dir/bin:$PATH" \
+    "$ROOT/bin/omarchy-battery-status" --shell
+}
 
-shell_output=$(OMARCHY_POWER_SUPPLY_PATH="$tmp_dir/power" PATH="$tmp_dir/bin:$PATH" "$ROOT/bin/omarchy-battery-status" --shell)
+setup_battery discharging 51 "" ""
+shell_output=$(run_shell)
 
 grep -Fx $'percentage\t51%' <<<"$shell_output" >/dev/null || fail "battery status reports percentage"
 grep -Fx $'state\tdischarging' <<<"$shell_output" >/dev/null || fail "battery status reports state"
 grep -Fx $'rate\t10.8W' <<<"$shell_output" >/dev/null || fail "battery status reports live sysfs power rate"
 grep -Fx $'size\t56Wh' <<<"$shell_output" >/dev/null || fail "battery status reports full capacity"
 grep -Fx $'time\t2h 30m' <<<"$shell_output" >/dev/null || fail "battery status reports remaining time"
 
+# A dead pack parked in pending-charge with kernel-default limits (0/100) must
+# not read as a threshold hold.
+setup_battery pending-charge 0 "0" "100"
+shell_output=$(run_shell)
+grep -Fx $'state\tpending-charge' <<<"$shell_output" >/dev/null || fail "default-limit pending charge keeps its raw state"
+
+grep -Fx $'threshold_start\t0' <<<"$shell_output" >/dev/null || fail "default limits are still reported"
+grep -Fx $'threshold_end\t100' <<<"$shell_output" >/dev/null || fail "default limits are still reported"
+
+if matches=$(rg -n '^state\tholding$' <<<"$shell_output"); then
+  fail "kernel-default limits do not turn pending charge into a hold" "$matches"
+fi
+
+# A configured band reports as holding while inside it, and exposes the raw
+# limits for the panel's own hold logic.
+setup_battery pending-charge 78 "75" "80"
+shell_output=$(run_shell)
+grep -Fx $'state\tholding' <<<"$shell_output" >/dev/null || fail "in-band pending charge reports as holding"
+grep -Fx $'threshold_start\t75' <<<"$shell_output" >/dev/null || fail "shell output exposes the limit start"
+grep -Fx $'threshold_end\t80' <<<"$shell_output" >/dev/null || fail "shell output exposes the limit end"
+grep -Fx $'threshold\t75-80%' <<<"$shell_output" >/dev/null || fail "threshold label spans the band"
+
+# Above the band the hold no longer applies even though the state persists.
+setup_battery pending-charge 90 "75" "80"
+shell_output=$(run_shell)
+if matches=$(rg -n '^state\tholding$' <<<"$shell_output"); then
+  fail "out-of-band pending charge does not report as holding" "$matches"
+fi
+
 if matches=$(rg -n 'omarchy-battery-(capacity|remaining|remaining-time)' "$ROOT/bin" "$ROOT/test" "$ROOT/shell" "$ROOT/docs"); then
   fail "battery status owns capacity and remaining calculations" "$matches"
 fi
 
 pass "battery status owns capacity and remaining calculations"
+pass "battery status distinguishes real holds from generic pending charge"

test/shell.d/power-test.sh

@@ -23,7 +23,11 @@ assertDeepEqual(
 assert(power.profileIcon('performance').length > 0, 'power maps profile icons')
 assertEqual(power.batteryFraction({ isPresent: true, percentage: 1.5 }), 1, 'power clamps battery fraction')
 
-assert(power.chargeThresholdActive({ isPresent: true, percentage: 0.8, state: states.PendingCharge }, false, states), 'power detects threshold by pending charge state')
+const inBand = { start: '75', end: '80' }
+
+assert(power.chargeThresholdActive({ isPresent: true, percentage: 0.8, state: states.PendingCharge }, false, states, inBand), 'power detects threshold by pending charge state inside the limit band')
+assert(!power.chargeThresholdActive({ isPresent: true, percentage: 0.1, state: states.PendingCharge }, false, states, { start: '', end: '100' }), 'power ignores pending charge outside a real limit band')
+assert(!power.chargeThresholdActive({ isPresent: true, percentage: 0.8, state: states.PendingCharge }, false, states), 'power requires reported limits before treating pending charge as a hold')
 assert(power.chargeThresholdActive({ isPresent: true, percentage: 0.8, state: states.Charging, changeRate: 0.1, timeToFull: 120 }, false, states), 'power detects threshold by stalled charging')
 assert(!power.chargeThresholdActive({ isPresent: true, percentage: 0.8, state: states.Charging, changeRate: 1.0, timeToFull: 120 }, false, states), 'power does not flag active charging as threshold')
 assert(!power.chargeThresholdActive({ isPresent: true, percentage: 0.5, state: states.Discharging }, false, states), 'power does not flag discharging as threshold')