feat(noctalia): add portable status widgets and idle monitoring
This commit is contained in:
@@ -0,0 +1,205 @@
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-- Show instantaneous battery power above an ETA based on a time-weighted,
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-- five-minute rolling average. Energy values are normalized to µWh so that
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-- both energy_* and charge_* battery drivers can produce an estimate.
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local command = [[
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bat=/sys/class/power_supply/BAT0
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number() {
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if [ -r "$1" ]; then
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value=$(cat "$1" 2>/dev/null)
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case "$value" in
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''|*[!0-9]*) ;;
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*) printf '%s' "$value"; return 0 ;;
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esac
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fi
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return 1
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}
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status=$(cat "$bat/status" 2>/dev/null) || exit 1
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power=$(number "$bat/power_now")
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voltage=$(number "$bat/voltage_now")
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if [ -z "$power" ]; then
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current=$(number "$bat/current_now")
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if [ -n "$current" ] && [ -n "$voltage" ]; then
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power=$(awk -v current="$current" -v voltage="$voltage" \
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'BEGIN { printf "%.0f", current * voltage / 1000000 }')
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fi
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fi
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energy_now=$(number "$bat/energy_now")
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energy_full=$(number "$bat/energy_full")
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if [ -z "$energy_now" ] || [ -z "$energy_full" ]; then
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charge_now=$(number "$bat/charge_now")
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charge_full=$(number "$bat/charge_full")
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if [ -n "$charge_now" ] && [ -n "$charge_full" ] && [ -n "$voltage" ]; then
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energy_now=$(awk -v charge="$charge_now" -v voltage="$voltage" \
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'BEGIN { printf "%.0f", charge * voltage / 1000000 }')
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energy_full=$(awk -v charge="$charge_full" -v voltage="$voltage" \
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'BEGIN { printf "%.0f", charge * voltage / 1000000 }')
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fi
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fi
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printf '%s\t%s\t%s\t%s\n' "$status" "$power" "$energy_now" "$energy_full"
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]]
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local sample_window_seconds = 5 * 60
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local power_samples = {}
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local sampled_state = nil
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local request_in_flight = false
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local function renderLines(top, bottom)
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barWidget.render(ui.column({ gap = 0, align = "center" }, {
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ui.label({ text = top, fontSize = 10 }),
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ui.label({ text = bottom, fontSize = 9 }),
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}))
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end
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local function resetSamples(state)
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if sampled_state ~= state then
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power_samples = {}
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sampled_state = state
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end
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end
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local function addPowerSample(state, power, now)
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resetSamples(state)
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local latest = power_samples[#power_samples]
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if latest ~= nil and latest.time == now then
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latest.power = power
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else
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table.insert(power_samples, { time = now, power = power })
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end
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local cutoff = now - sample_window_seconds
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while #power_samples > 1 and power_samples[2].time <= cutoff do
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table.remove(power_samples, 1)
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end
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end
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local function rollingAverage(now)
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if #power_samples == 0 then
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return nil, 0
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end
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if #power_samples == 1 then
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return power_samples[1].power, 0
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end
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local cutoff = now - sample_window_seconds
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local integral = 0
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local duration = 0
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for index = 2, #power_samples do
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local earlier = power_samples[index - 1]
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local later = power_samples[index]
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local interval = later.time - earlier.time
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local start_time = math.max(earlier.time, cutoff)
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local end_time = math.min(later.time, now)
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if interval > 0 and end_time > start_time then
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local start_fraction = (start_time - earlier.time) / interval
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local end_fraction = (end_time - earlier.time) / interval
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local start_power = earlier.power + (later.power - earlier.power) * start_fraction
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local end_power = earlier.power + (later.power - earlier.power) * end_fraction
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local elapsed = end_time - start_time
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integral = integral + (start_power + end_power) * elapsed / 2
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duration = duration + elapsed
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end
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end
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if duration == 0 then
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return power_samples[#power_samples].power, 0
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end
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return integral / duration, duration
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end
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local function formatDuration(hours)
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local minutes = math.max(1, math.floor(hours * 60 + 0.5))
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local whole_hours = math.floor(minutes / 60)
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local remaining_minutes = minutes % 60
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if whole_hours > 0 then
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return string.format("%dh %02dm", whole_hours, remaining_minutes)
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end
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return string.format("%dm", remaining_minutes)
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end
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local function formatSampleDuration(seconds)
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local minutes = math.floor(seconds / 60)
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return string.format("%dm %02ds", minutes, seconds % 60)
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end
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function update()
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noctalia.setUpdateInterval(5000)
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if request_in_flight then
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return
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end
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request_in_flight = true
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noctalia.runAsync(command, function(result)
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request_in_flight = false
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if result.exitCode ~= 0 then
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renderLines("—", "Unavailable")
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barWidget.setTooltip("Battery rate and remaining-time estimate unavailable")
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return
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end
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local state, power, energy_now, energy_full = string.match(
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result.stdout,
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"^([^\t]+)\t([^\t]*)\t([^\t]*)\t([^\r\n]*)"
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)
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power = tonumber(power)
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energy_now = tonumber(energy_now)
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energy_full = tonumber(energy_full)
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if state ~= "Discharging" and state ~= "Charging" then
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resetSamples(state)
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renderLines("—", state)
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barWidget.setTooltip("Battery: " .. state)
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return
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end
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if power == nil or power <= 0 then
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renderLines("—", "Calculating…")
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barWidget.setTooltip("Battery: " .. state .. " · waiting for a power reading")
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return
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end
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local now = os.time()
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addPowerSample(state, power, now)
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local average_power, sample_duration = rollingAverage(now)
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local label = "Calculating…"
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if average_power ~= nil and average_power > 0 and energy_now ~= nil and energy_full ~= nil then
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local energy_remaining = energy_now
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if state == "Charging" then
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energy_remaining = energy_full - energy_now
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end
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if energy_remaining >= 0 then
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local suffix = state == "Charging" and " to full" or " left"
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label = formatDuration(energy_remaining / average_power) .. suffix
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end
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end
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local direction = state == "Charging" and "↑" or "↓"
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renderLines(string.format("%s %.1f W", direction, power / 1000000), label)
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barWidget.setTooltip(
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string.format(
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"Battery: %s · %.1f W now · %.1f W rolling average (%s sampled of 5m)",
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state,
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power / 1000000,
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average_power / 1000000,
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formatSampleDuration(sample_duration)
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)
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)
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end)
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end
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@@ -0,0 +1,31 @@
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-- Query EnvyControl once when this widget starts; GPU mode changes require a restart.
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local command = "envycontrol --query"
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local labels = {
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integrated = "iGPU",
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dedicated = "dGPU",
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nvidia = "dGPU",
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hybrid = "hybrid",
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}
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barWidget.setGlyph("device-desktop")
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barWidget.setText("GPU…")
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barWidget.setTooltip("Reading EnvyControl GPU mode…")
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noctalia.runAsync(command, function(result)
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if result.exitCode ~= 0 then
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barWidget.setText("GPU?")
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barWidget.setTooltip("Unable to read EnvyControl GPU mode")
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return
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end
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local mode = string.lower(string.match(result.stdout, "([%a_-]+)") or "")
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local label = labels[mode]
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if label == nil then
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barWidget.setText("GPU?")
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barWidget.setTooltip("Unknown EnvyControl GPU mode: " .. mode)
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return
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end
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barWidget.setText(label)
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barWidget.setTooltip("EnvyControl GPU mode: " .. mode)
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end)
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@@ -0,0 +1,85 @@
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-- Click-through details for both logind idle inhibitors and session
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-- ScreenSaver requests such as browser video wake locks.
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local command = (noctalia.getenv("HOME") or "") .. "/.local/bin/idle-inhibitor-monitor --list"
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local inhibitors = {}
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local status = "Loading idle inhibitors…"
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local request_in_flight = false
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local function renderPanel()
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local children = {
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ui.column({ gap = 2 }, {
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ui.label({ text = "Idle inhibitors", fontSize = 18, fontWeight = "bold" }),
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ui.label({ text = status, color = "on_surface_variant" }),
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}),
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ui.button({ text = "Refresh", onClick = "onRefresh" }),
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}
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if #inhibitors == 0 then
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table.insert(children, ui.label({ text = "No process currently blocks automatic idle." }))
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else
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for _, inhibitor in ipairs(inhibitors) do
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local title = inhibitor.comm ~= "" and inhibitor.comm or inhibitor.who
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table.insert(children, ui.column({ gap = 2 }, {
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ui.label({ text = string.format("%s · %s", inhibitor.source, title), fontWeight = "bold" }),
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ui.label({ text = inhibitor.why ~= "" and inhibitor.why or "No reason supplied", maxLines = 2 }),
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ui.label({
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text = string.format("%s · %s · PID %s", inhibitor.mode, inhibitor.user, inhibitor.pid),
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color = "on_surface_variant",
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fontSize = 11,
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}),
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}))
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end
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end
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panel.render(ui.scroll({ padding = 20, gap = 12 }, children))
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end
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local function refreshInhibitors()
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if request_in_flight then return end
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request_in_flight = true
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status = "Loading idle inhibitors…"
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renderPanel()
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noctalia.runAsync(command, function(result)
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request_in_flight = false
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inhibitors = {}
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if result.exitCode ~= 0 then
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status = "Unable to inspect logind inhibitors."
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renderPanel()
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return
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end
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for line in string.gmatch(result.stdout, "[^\r\n]+") do
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local source, who, user, pid, comm, mode, why = string.match(
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line,
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"^([^\t]*)\t([^\t]*)\t([^\t]*)\t([^\t]*)\t([^\t]*)\t([^\t]*)\t(.*)$"
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)
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if source ~= nil then
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table.insert(inhibitors, {
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source = source,
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who = who,
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user = user,
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pid = pid,
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comm = comm,
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mode = mode,
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why = why,
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})
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end
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end
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status = #inhibitors == 0
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and "Automatic idle is eligible."
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or string.format("%d active idle inhibitor%s.", #inhibitors, #inhibitors == 1 and "" or "s")
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renderPanel()
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end)
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end
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function onOpen()
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refreshInhibitors()
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end
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function onRefresh()
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refreshInhibitors()
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end
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@@ -0,0 +1,39 @@
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-- Show whether any process blocks automatic idle. The monitor combines logind
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-- idle inhibitors with session ScreenSaver requests such as browser video wake locks.
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local command = (noctalia.getenv("HOME") or "") .. "/.local/bin/idle-inhibitor-monitor --count"
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local request_in_flight = false
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function update()
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noctalia.setUpdateInterval(5000)
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if request_in_flight then return end
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request_in_flight = true
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noctalia.runAsync(command, function(result)
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request_in_flight = false
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local count = tonumber(result.stdout)
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if result.exitCode ~= 0 or count == nil then
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barWidget.setGlyph("circle-help")
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barWidget.setText("Idle ?")
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barWidget.setTooltip("Unable to inspect idle inhibitors")
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return
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end
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if count > 0 then
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barWidget.setGlyph("moon-off")
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barWidget.setText(string.format("Idle %d", count))
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barWidget.setTooltip(
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string.format("%d idle inhibitor%s active · click for details", count, count == 1 and "" or "s")
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)
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else
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barWidget.setGlyph("moon")
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barWidget.setText("Idle")
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barWidget.setTooltip("No active idle inhibitors · click for details")
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end
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end)
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end
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function onClick()
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noctalia.runAsync("noctalia msg panel-toggle alex/system-status:inhibitors-panel")
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end
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@@ -0,0 +1,119 @@
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-- Compact, two-line network throughput widget. It samples the interface used
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-- by the default route so virtual and physical interfaces are not double-counted.
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local command = [[
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iface=$(ip route show default 2>/dev/null | awk '$1 == "default" { for (i = 1; i <= NF; i++) if ($i == "dev") { print $(i + 1); exit } }')
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if [ -z "$iface" ]; then
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for path in /sys/class/net/*; do
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candidate=${path##*/}
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[ "$candidate" = "lo" ] && continue
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[ "$(cat "$path/carrier" 2>/dev/null)" = "1" ] || continue
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iface=$candidate
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break
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done
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fi
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[ -n "$iface" ] || exit 1
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awk -v iface="$iface" '$1 ~ ("^" iface ":") { sub(":", "", $1); print iface "\t" $2 "\t" $10; exit }' /proc/net/dev
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]]
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local previous = nil
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local request_in_flight = false
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-- 82px accommodates the longest fixed field ("1023 KiB/s") at 10px while
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-- removing the excess side padding from the original 112px capsule.
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local label_width = 82
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local function formatRate(bytes_per_second)
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local units = { "B/s", "KiB/s", "MiB/s", "GiB/s" }
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local value = bytes_per_second
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local unit_index = 1
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while value >= 1024 and unit_index < #units do
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value = value / 1024
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unit_index = unit_index + 1
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end
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if unit_index == 1 then
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return string.format("%d %s", math.floor(value + 0.5), units[unit_index])
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end
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if value >= 100 then
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return string.format("%.0f %s", value, units[unit_index])
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end
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return string.format("%.1f %s", value, units[unit_index])
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end
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local function renderLines(download, upload)
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-- The explicit minimum width and fixed ten-character value field keep the
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-- capsule width stable while inheriting the bar font used by other modules.
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barWidget.render(ui.column({ gap = 0, align = "center", minWidth = label_width }, {
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ui.label({
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text = string.format("↓ %10s", download),
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maxLines = 1,
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fontSize = 10,
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}),
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ui.label({
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text = string.format("↑ %10s", upload),
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maxLines = 1,
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fontSize = 10,
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}),
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}))
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end
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function update()
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noctalia.setUpdateInterval(2000)
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if request_in_flight then
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return
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end
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request_in_flight = true
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noctalia.runAsync(command, function(result)
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request_in_flight = false
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if result.exitCode ~= 0 then
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previous = nil
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renderLines("—", "—")
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barWidget.setTooltip("Network throughput unavailable: no active interface")
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return
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end
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local iface, received, sent = string.match(
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result.stdout,
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"^([^\t]+)\t(%d+)\t(%d+)"
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)
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received = tonumber(received)
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sent = tonumber(sent)
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if iface == nil or received == nil or sent == nil then
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previous = nil
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renderLines("—", "—")
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barWidget.setTooltip("Network throughput unavailable")
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return
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end
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local now = os.time()
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if previous == nil or previous.iface ~= iface or now <= previous.time then
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previous = { iface = iface, received = received, sent = sent, time = now }
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renderLines("Sampling…", "Sampling…")
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barWidget.setTooltip("Sampling network throughput on " .. iface)
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return
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end
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local elapsed = now - previous.time
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local download = math.max(0, (received - previous.received) / elapsed)
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local upload = math.max(0, (sent - previous.sent) / elapsed)
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previous = { iface = iface, received = received, sent = sent, time = now }
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renderLines(formatRate(download), formatRate(upload))
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barWidget.setTooltip(
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string.format(
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"%s · Download %s · Upload %s",
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iface,
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formatRate(download),
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formatRate(upload)
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)
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)
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end)
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end
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@@ -24,3 +24,11 @@ entry = "network-rate.luau"
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[[widget]]
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id = "gpu-mode"
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entry = "gpu-mode.luau"
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[[widget]]
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id = "inhibitors"
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entry = "inhibitors.luau"
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[[panel]]
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id = "inhibitors-panel"
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entry = "inhibitors-panel.luau"
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Reference in New Issue
Block a user