dzming.li
Personal noctalia plugins collection
Add battery charge limit toggle widget
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
+218
+109
battery/BarWidget.qml
+109
battery/BarWidget.qml
···
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import QtQuick
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import Quickshell
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import Quickshell.Services.UPower
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import qs.Commons
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import qs.Widgets
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import qs.Modules.Bar.Extras
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import qs.Services.Hardware
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import qs.Services.UI
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Item {
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id: root
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property QtObject pluginApi: null
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readonly property QtObject pluginCore: pluginApi?.mainInstance
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property ShellScreen screen
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property string widgetId: ""
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property string section: ""
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property int sectionWidgetIndex: -1
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property int sectionWidgetsCount: 0
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// Battery state from BatteryService
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readonly property var selectedDevice: BatteryService.displayDevice
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readonly property bool isReady: BatteryService.isDeviceReady(selectedDevice)
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readonly property real percent: isReady ? BatteryService.getPercentage(selectedDevice) : -1
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readonly property bool isCharging: isReady ? BatteryService.isCharging(selectedDevice) : false
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readonly property bool isPluggedIn: isReady ? BatteryService.isPluggedIn(selectedDevice) : false
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readonly property bool isLowBattery: isReady ? BatteryService.isLowBattery(selectedDevice) : false
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readonly property bool isCriticalBattery: isReady ? BatteryService.isCriticalBattery(selectedDevice) : false
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readonly property var tooltipContent: {
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let rows = [];
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if (isReady) {
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rows.push(["Battery", percent + "%"]);
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let timeText = BatteryService.getTimeRemainingText(selectedDevice);
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if (timeText) {
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const idx = timeText.indexOf(":");
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if (idx >= 0)
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rows.push([timeText.substring(0, idx).trim(), timeText.substring(idx + 1).trim()]);
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else
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rows.push([timeText, ""]);
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}
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let rateText = BatteryService.getRateText(selectedDevice);
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if (rateText) {
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const idx = rateText.indexOf(":");
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if (idx >= 0)
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rows.push([rateText.substring(0, idx).trim(), rateText.substring(idx + 1).trim()]);
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else
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rows.push([rateText, ""]);
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}
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}
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if (pluginCore) {
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if (rows.length > 0) rows.push(["---", "---"]);
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rows.push(["Charge limit", pluginCore.chargeLimit + "%"]);
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}
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return rows;
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}
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implicitWidth: pill.width
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implicitHeight: pill.height
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BarPill {
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id: pill
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screen: root.screen
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oppositeDirection: BarService.getPillDirection(root)
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forceClose: false
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icon: BatteryService.getIcon(root.percent, root.isCharging, root.isPluggedIn, root.isReady)
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text: root.isReady ? root.percent : "-"
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suffix: pluginCore && pluginCore.chargeLimit < 100 ? "% \u2193" + pluginCore.chargeLimit : "%"
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autoHide: false
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customBackgroundColor: root.isCharging ? Color.mPrimary : ((root.isLowBattery || root.isCriticalBattery) ? Color.mError : "transparent")
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customTextIconColor: root.isCharging ? Color.mOnPrimary : ((root.isLowBattery || root.isCriticalBattery) ? Color.mOnError : "transparent")
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tooltipText: root.tooltipContent
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onClicked: pluginCore?.toggle()
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onRightClicked: {
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PanelService.showContextMenu(contextMenu, pill, root.screen);
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}
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}
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NPopupContextMenu {
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id: contextMenu
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model: [
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{
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"label": pluginCore && pluginCore.chargeLimit < 100
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? "Set charge limit to 100%"
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: "Set charge limit to 80%",
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"action": "toggle",
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"icon": "battery_saver",
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"enabled": true
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}
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]
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onTriggered: action => {
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contextMenu.close();
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PanelService.closeContextMenu(root.screen);
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if (action === "toggle") {
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pluginCore?.toggle();
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}
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}
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}
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}
+80
battery/Main.qml
+80
battery/Main.qml
···
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import QtQuick
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import Quickshell
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import Quickshell.Io
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Item {
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id: root
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property var pluginApi: null
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property int chargeLimit: 100
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property bool reading: false
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readonly property string sysPath: "/sys/class/power_supply/BAT1/charge_control_end_threshold"
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Component.onCompleted: readLimit()
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Timer {
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interval: 5000
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running: true
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repeat: true
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onTriggered: readLimit()
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}
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function readLimit() {
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if (reading) return
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reading = true
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readProcess.running = true
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}
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function toggle() {
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var newVal = (chargeLimit >= 100) ? 80 : 100
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writeStdout = ""
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writeStderr = ""
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writeProcess.command = ["pkexec", "tee", sysPath]
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writeProcess.running = true
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writeProcess.write(newVal + "\n")
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writeProcess.closeWriteChannel()
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}
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// --- read current value ---
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property string readStdout: ""
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Process {
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id: readProcess
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command: ["cat", root.sysPath]
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onExited: function(exitCode, exitStatus) {
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if (exitCode === 0) {
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var val = parseInt(readStdout.trim(), 10)
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if (!isNaN(val)) root.chargeLimit = val
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}
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readStdout = ""
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root.reading = false
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}
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stdout: SplitParser {
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onRead: data => root.readStdout += data
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}
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}
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// --- write new value ---
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property string writeStdout: ""
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property string writeStderr: ""
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Process {
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id: writeProcess
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onExited: function(exitCode, exitStatus) {
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if (exitCode === 0) {
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Qt.callLater(readLimit)
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} else {
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console.error("[battery-limit] pkexec tee failed: " + writeStderr)
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}
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writeStdout = ""
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writeStderr = ""
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}
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stdout: SplitParser {
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onRead: data => root.writeStdout += data
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}
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stderr: SplitParser {
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onRead: data => root.writeStderr += data
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}
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}
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}
+17
battery/manifest.json
+17
battery/manifest.json
···
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{
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"id": "battery",
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"name": "Battery",
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"version": "1.0.0",
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"minNoctaliaVersion": "4.2.3",
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"author": "dodaars",
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"license": "MIT",
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"description": "Toggle battery charge limit between 80% and 100% to extend battery lifespan.",
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"tags": ["Bar", "System"],
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"entryPoints": {
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"main": "Main.qml",
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"barWidget": "BarWidget.qml"
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},
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"dependencies": {
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"plugins": []
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}
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}
+12
registry.json
+12
registry.json
···
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"license": "MIT",
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"tags": ["Bar", "Panel", "Productivity"],
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"lastUpdated": "2026-02-28T12:00:00+08:00"
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},
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{
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"id": "battery",
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"name": "Battery",
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"version": "1.0.0",
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"official": false,
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"author": "dodaars",
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"description": "Toggle battery charge limit between 80% and 100% to extend battery lifespan.",
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"minNoctaliaVersion": "4.2.3",
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"license": "MIT",
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"tags": ["Bar", "System"],
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"lastUpdated": "2026-03-10T12:00:00+08:00"
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}
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]
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}