fix: column index desync after reorder

2026-09-27 22:47:31 +02:00
parent 9ea1f846ae
commit cc9aeca98b
28 changed files with 859 additions and 464 deletions
@@ -3,7 +3,6 @@ import QtQuick.Shapes
 import ZShell
 import ZShell.Config
 import qs.Services
-import qs.Services

 MouseArea {
 	id: root
@@ -12,7 +12,7 @@ Item {
 	id: root

 	readonly property real nonAnimWidth: view.implicitWidth + clipWrapper.anchors.margins * 2
-	readonly property real nonAnimHeight: tabs.implicitHeight + clipWrapper.anchors.topMargin + view.implicitHeight + clipWrapper.anchors.margins * 2
+	readonly property real nonAnimHeight: tabs.implicitHeight + tabs.anchors.topMargin + view.implicitHeight + clipWrapper.anchors.margins + clipWrapper.anchors.topMargin

 	required property ScreenState screenState

@@ -22,25 +22,25 @@ Item {
 				component: dashComponent,
 				iconName: "dashboard",
 				text: qsTr("Dashboard"),
-				enabled: true
+				enabled: Config.dashboard.showDashboard
 			},
 			{
 				component: weatherComponent,
 				iconName: "cloud",
 				text: qsTr("Weather"),
-				enabled: true
+				enabled: Config.dashboard.showWeather
 			},
 			{
 				component: mediaComponent,
 				iconName: "queue_music",
 				text: qsTr("Media"),
-				enabled: true
+				enabled: Config.dashboard.showMedia
 			},
 			{
 				component: procsComponent,
 				iconName: "speed",
 				text: qsTr("Processes"),
-				enabled: true
+				enabled: Config.dashboard.showProcesses
 			},
 		];
 		return allTabs.filter(tab => tab.enabled);
@@ -60,33 +60,34 @@ Item {
 		}
 	}

-	Item {
-		id: clipWrapper
-		anchors.fill: parent
-		anchors.margins: Tokens.padding.small
-		// radius: Tokens.rounding.extraLarge - anchors.margins
+	Tabs {
+		id: tabs
+
+		anchors.top: parent.top
+		anchors.left: parent.left
+		anchors.right: parent.right
+
+		nonAnimWidth: view.implicitWidth
+		screenState: root.screenState
+		tabs: root.dashboardTabs
 		anchors.topMargin: ZUtils.clamp(anchors.margins - Config.bar.border, 0, anchors.margins)
+		anchors.margins: Tokens.padding.small
+	}

-		Tabs {
-			id: tabs
-
-			anchors.top: parent.top
-			anchors.left: parent.left
-			anchors.right: parent.right
-
-			nonAnimWidth: view.implicitWidth
-			screenState: root.screenState
-			tabs: root.dashboardTabs
-		}
+	CustomClippingRect {
+		id: clipWrapper
+		anchors.top: tabs.bottom
+		anchors.left: parent.left
+		anchors.right: parent.right
+		anchors.bottom: parent.bottom
+		anchors.topMargin: Tokens.spacing.small
+		anchors.margins: Tokens.padding.small
+		radius: Tokens.rounding.extraLarge - anchors.margins

 		Item {
 			id: viewWrapper

-			anchors.top: tabs.bottom
-			anchors.left: parent.left
-			anchors.right: parent.right
-			anchors.bottom: parent.bottom
-			anchors.topMargin: Tokens.spacing.small
+			anchors.fill: parent

 			Flickable {
 				id: view
@@ -67,7 +67,7 @@ GridLayout {
 	Rect {
 		Layout.columnSpan: 2
 		Layout.fillHeight: true
-		Layout.preferredWidth: Config.dashboard.sizes.weatherWidth
+		Layout.preferredWidth: Tokens.sizes.dashboard.weatherWidth
 		Layout.row: 0
 		radius: root.radius

@@ -51,7 +51,7 @@ Row {
 				id: icon

 				anchors.left: parent.left
-				anchors.leftMargin: (Config.dashboard.sizes.infoIconSize - implicitWidth) / 2
+				anchors.leftMargin: (Tokens.sizes.dashboard.infoIconSize - implicitWidth) / 2
 				color: Colors.palette.m3primary
 				implicitSize: Math.floor(13 * 1.34)
 				source: SystemInfo.osLogo
@@ -65,7 +65,7 @@ Row {
 				anchors.verticalCenter: icon.verticalCenter
 				elide: Text.ElideRight
 				text: `:  ${SystemInfo.osPrettyName || SystemInfo.osName}`
-				width: Config.dashboard.sizes.infoWidth
+				width: Tokens.sizes.dashboard.infoWidth
 			}
 		}

@@ -98,7 +98,7 @@ Row {
 			id: icon

 			anchors.left: parent.left
-			anchors.leftMargin: (Config.dashboard.sizes.infoIconSize - implicitWidth) / 2
+			anchors.leftMargin: (Tokens.sizes.dashboard.infoIconSize - implicitWidth) / 2
 			color: line.colour
 			fill: 1
 			fontStyle: Tokens.font.icon.small
@@ -113,7 +113,7 @@ Row {
 			anchors.verticalCenter: icon.verticalCenter
 			elide: Text.ElideNone
 			text: `:  ${line.text}`
-			width: Config.dashboard.sizes.infoWidth
+			width: Tokens.sizes.dashboard.infoWidth
 		}
 	}
 }
@@ -3,6 +3,7 @@ pragma Singleton
 import QtQuick
 import Quickshell
 import ZShell.Config
+import ZShell.Services

 Singleton {
 	id: root
@@ -88,6 +89,18 @@ Singleton {
 		}
 	]

+	readonly property var desktopEntries: DesktopEntries.applications.values.map(e => ({
+				icon: e.icon,
+				command: e.command
+			}))
+
+	Component.onCompleted: {
+		Processes.setDesktopEntries(root.desktopEntries);
+		Qt.callLater(ensurePinnedFirst);
+	}
+
+	onDesktopEntriesChanged: Processes.setDesktopEntries(root.desktopEntries)
+
 	readonly property string pinnedColumnId: "command"

 	readonly property var hiddenColumns: {
@@ -113,8 +126,6 @@ Singleton {
 			});
 	}

-	Component.onCompleted: Qt.callLater(ensurePinnedFirst)
-
 	function defFor(id: string): var {
 		for (const def of root.columnDefs)
 			if (def.id === id)
@@ -64,109 +64,83 @@ Item {
 		function onWidthChanged() {
 			root.fillMissingWidths();
 		}
+
+		function onCountChanged() {
+			resizeOverlay.geometryTick++;
+			root.fillMissingWidths();
+		}
+
+		function onContentWidthChanged() {
+			resizeOverlay.geometryTick++;
+		}
 	}

 	Connections {
 		target: columnsData
 		function onValuesChanged() {
 			root.fillMissingWidths();
+			resizeOverlay.geometryTick++;
 		}
 	}

 	Component.onCompleted: Qt.callLater(fillMissingWidths)
 	Component.onDestruction: Cursor.clearOverride()

-	RowLayout {
-		id: rowLayout
+	CustomListView {
+		id: columnList

 		anchors.fill: parent
-
+		orientation: ListView.Horizontal
+		interactive: false
 		spacing: Tokens.spacing.extraSmall / 2

-		CustomListView {
-			id: columnList
-
-			Layout.fillWidth: true
-			orientation: ListView.Horizontal
-			interactive: false
-			spacing: parent.spacing
-			implicitHeight: root.headerHeight
-
-			add: Transition {
-				Anim {
-					from: 0
-					properties: "opacity"
-					to: 1
-					type: Anim.DefaultEffects
-				}
+		add: Transition {
+			Anim {
+				from: 0
+				properties: "opacity"
+				to: 1
+				type: Anim.DefaultEffects
 			}
-			displaced: Transition {
-				Anim {
-					properties: "opacity"
-					to: 1
-					type: Anim.DefaultEffects
-				}
-				Anim {
-					properties: "x"
-				}
+		}
+		displaced: Transition {
+			Anim {
+				properties: "opacity"
+				to: 1
+				type: Anim.DefaultEffects
 			}
-			move: Transition {
-				Anim {
-					properties: "opacity"
-					to: 1
-					type: Anim.DefaultEffects
-				}
-				Anim {
-					properties: "x"
-				}
+			Anim {
+				properties: "x"
 			}
-			remove: Transition {
-				Anim {
-					to: 0
-					properties: "opacity"
-					type: Anim.DefaultEffects
-				}
+		}
+		move: Transition {
+			Anim {
+				properties: "opacity"
+				to: 1
+				type: Anim.DefaultEffects
 			}
-
-			model: DelegateModel {
-				id: columnsVisual
-
-				delegate: ColumnHeaderCell {
-					parentModel: columnsVisual
-				}
-
-				model: ScriptModel {
-					id: columnsData
-					values: Config.dashboard.processColumns.values
-				}
+			Anim {
+				properties: "x"
+			}
+		}
+		remove: Transition {
+			Anim {
+				to: 0
+				properties: "opacity"
+				type: Anim.DefaultEffects
 			}
 		}

-		IconButton {
-			id: addColumnBtn
+		model: DelegateModel {
+			id: columnsVisual

-			type: IconButton.Text
-			icon: "add"
-			font: Tokens.font.icon.medium
-			Layout.alignment: Qt.AlignVCenter
-			visible: ProcessesColumns.hiddenColumns.length > 0
-			onClicked: addMenu.expanded = true
-		}
+			delegate: ColumnHeaderCell {
+				parentModel: columnsVisual
+			}

-		Variants {
-			id: hiddenColumnList
-
-			model: ProcessesColumns.hiddenColumns
-
-			HiddenColumnItem {}
-		}
-
-		Menu {
-			id: addMenu
-
-			attachTo: addColumnBtn
-			items: hiddenColumnList.instances
-			onItemSelected: item => ProcessesColumns.addColumn(item.modelData.id)
+			model: ScriptModel {
+				id: columnsData
+				values: Config.dashboard.processColumns.values
+			}
 		}
 	}

@@ -178,26 +152,9 @@ Item {
 		property int geometryTick: 0
 		property int activeGapIndex: -1

-		anchors.fill: rowLayout
+		anchors.fill: columnList
 		z: 10

-		Connections {
-			target: columnsData
-			function onValuesChanged() {
-				resizeOverlay.geometryTick++;
-			}
-		}
-
-		Connections {
-			target: columnList
-			function onCountChanged() {
-				resizeOverlay.geometryTick++;
-			}
-			function onContentWidthChanged() {
-				resizeOverlay.geometryTick++;
-			}
-		}
-
 		Component.onCompleted: Qt.callLater(() => geometryTick++)

 		Repeater {
@@ -571,8 +528,6 @@ Item {
 					const rightMid = rightItem.x + rightItem.width / 2;
 					if (refX > rightMid) {
 						columnsVisual.items.move(myIndex, myIndex + 1);
-						resizeOverlay.geometryTick++;
-						Qt.callLater(() => resizeOverlay.geometryTick++);
 						return;
 					}
 				}
@@ -583,8 +538,6 @@ Item {
 					const pinnedAtZero = columnList.itemAtIndex(0)?.modelData?.id === ProcessesColumns.pinnedColumnId;
 					if (refX < leftMid && !(myIndex === 1 && pinnedAtZero)) {
 						columnsVisual.items.move(myIndex, myIndex - 1);
-						resizeOverlay.geometryTick++;
-						Qt.callLater(() => resizeOverlay.geometryTick++);
 					}
 				}
 			}
@@ -7,7 +7,6 @@ import ZShell.Components
 import ZShell.Services
 import qs.Components
 import qs.Services
-import qs.Helpers

 Item {
 	id: root
@@ -9,11 +9,6 @@ import qs.Services
 Item {
 	id: root

-	readonly property var desktopEntries: DesktopEntries.applications.values.map(e => ({
-				icon: e.icon,
-				command: e.command
-			}))
-
 	implicitWidth: Tokens.sizes.dashboard.processesWidth
 	implicitHeight: Tokens.sizes.dashboard.processesHeight

@@ -21,14 +16,6 @@ Item {
 		service: Processes
 	}

-	Connections {
-		target: DesktopEntries.applications
-		function onValuesChanged(): void {
-			Processes.setDesktopEntries(root.desktopEntries);
-		}
-	}
-	Component.onCompleted: Processes.setDesktopEntries(root.desktopEntries)
-
 	ProcessesHeader {
 		id: header

@@ -1,8 +1,8 @@
 import QtQuick
 import QtQuick.Layouts
 import ZShell.Components
+import ZShell.Services
 import ZShell.Config
-import qs.Helpers
 import qs.Components
 import qs.Services

@@ -14,7 +14,7 @@ CustomRect {
 	implicitWidth: 300
 	radius: Tokens.rounding.largeIncreased

-	Ref {
+	ServiceRef {
 		service: NetworkUsage
 	}

@@ -129,8 +129,8 @@ CustomRect {
 			CustomText {
 				color: Colors.palette.m3tertiary
 				text: {
-					const fmt = NetworkUsage.formatBytes(NetworkUsage.downloadSpeed ?? 0);
-					return fmt ? `${fmt.value.toFixed(1)} ${fmt.unit}` : "0.0 B/s";
+					const fmt = UsageFmt.formatBytes(NetworkUsage.downloadSpeed ?? 0);
+					return fmt ? `${fmt.value.toFixed(1)} ${fmt.unit}/s` : "0.0 B/s";
 				}
 			}
 		}
@@ -157,8 +157,8 @@ CustomRect {
 			CustomText {
 				color: Colors.palette.m3secondary
 				text: {
-					const fmt = NetworkUsage.formatBytes(NetworkUsage.uploadSpeed ?? 0);
-					return fmt ? `${fmt.value.toFixed(1)} ${fmt.unit}` : "0.0 B/s";
+					const fmt = UsageFmt.formatBytes(NetworkUsage.uploadSpeed ?? 0);
+					return fmt ? `${fmt.value.toFixed(1)} ${fmt.unit}/s` : "0.0 B/s";
 				}
 			}
 		}
@@ -185,8 +185,8 @@ CustomRect {
 			CustomText {
 				color: Colors.palette.m3onSurfaceVariant
 				text: {
-					const down = NetworkUsage.formatBytesTotal(NetworkUsage.downloadTotal ?? 0);
-					const up = NetworkUsage.formatBytesTotal(NetworkUsage.uploadTotal ?? 0);
+					const down = UsageFmt.formatBytes(NetworkUsage.downloadTotal ?? 0);
+					const up = UsageFmt.formatBytes(NetworkUsage.uploadTotal ?? 0);
 					return (down && up) ? `↓${down.value.toFixed(1)}${down.unit} ↑${up.value.toFixed(1)}${up.unit}` : "↓0.0B ↑0.0B";
 				}
 			}
@@ -34,6 +34,45 @@ PageBase {
 			onToggled: Config.dashboard.enabled = checked
 		}

+		// Tabs
+		SectionHeader {
+			text: qsTr("Tabs")
+		}
+
+		ToggleRow {
+			first: true
+			checked: Config.dashboard.showDashboard
+			settingAnchor: "dashboard-show-dashboard"
+			text: qsTr("Dashboard")
+
+			onToggled: Config.dashboard.showDashboard = checked
+		}
+
+		ToggleRow {
+			checked: Config.dashboard.showWeather
+			settingAnchor: "dashboard-show-weather"
+			text: qsTr("Weather")
+
+			onToggled: Config.dashboard.showWeather = checked
+		}
+
+		ToggleRow {
+			checked: Config.dashboard.showMedia
+			settingAnchor: "dashboard-show-media"
+			text: qsTr("Media")
+
+			onToggled: Config.dashboard.showMedia = checked
+		}
+
+		ToggleRow {
+			checked: Config.dashboard.showProcesses
+			settingAnchor: "dashboard-show-processes"
+			text: qsTr("Processes")
+			last: true
+
+			onToggled: Config.dashboard.showProcesses = checked
+		}
+
 		// Behavior
 		SectionHeader {
 			text: qsTr("Behavior")
@@ -58,6 +97,7 @@ PageBase {
 			text: qsTr("Drag threshold")
 			to: 100
 			value: Config.dashboard.dragThreshold
+			last: true

 			onMoved: v => Config.dashboard.dragThreshold = v
 		}
@@ -1,5 +1,6 @@
 qml_module(ZShell
 	URI ZShell
+	INCLUDE_PREFIX core
 	SOURCES
 		writefile.hpp writefile.cpp
 		appdb.hpp appdb.cpp
@@ -64,9 +64,6 @@ AnimDurations* AnimTokens::durations() const {
 QEasingCurve AnimTokens::buildCurve(const QList<qreal>& points) {
 	QEasingCurve curve(QEasingCurve::BezierSpline);

-	// Points come in pairs of (x, y) forming cubic bezier segments.
-	// Each segment needs 3 control points: c1, c2, endPoint.
-	// So 6 values per segment: c1x, c1y, c2x, c2y, endX, endY.
 	for (int i = 0; i + 5 < points.size(); i += 6) {
 		const QPointF c1(points[i], points[i + 1]);
 		const QPointF c2(points[i + 2], points[i + 3]);
@@ -101,7 +98,6 @@ void AnimTokens::rebuildCurves() {
 void AnimTokens::bindCurves(AnimCurves* curves) {
 	m_curves = curves;

-	// Rebuild when any curve control points change
 	connect(
 		curves, &AnimCurves::optionChanged, this, &AnimTokens::rebuildCurves);

@@ -11,7 +11,7 @@ class AnimDurations;

 class AnimTokens : public QObject {
 	Q_OBJECT
-	Q_MOC_INCLUDE("tokens.hpp") // AnimCurves
+	Q_MOC_INCLUDE("tokens.hpp")
 	Q_MOC_INCLUDE("appearance.hpp")
 	QML_ANONYMOUS

@@ -6,8 +6,6 @@ namespace ZShell::config {

 namespace {

-// Helper: connect all changed signals from a token object to a single valuesChanged signal,
-// plus connect the local scaleChanged signal.
 template <typename Source, typename Target>
 void connectTokenSignals(Source* source, Target* target) {
 	const auto* meta = source->metaObject();
@@ -30,8 +28,6 @@ void connectTokenSignals(Source* source, Target* target) {

 } // namespace

-// AppearanceRounding
-
 void AppearanceRounding::bindTokens(RoundingTokens* tokens) {
 	m_tokens = tokens;
 	connectTokenSignals(tokens, this);
@@ -77,8 +73,6 @@ int AppearanceRounding::full() const {
 	return m_tokens ? m_tokens->full() : 0;
 }

-// AppearanceSpacing
-
 void AppearanceSpacing::bindTokens(SpacingTokens* tokens) {
 	m_tokens = tokens;
 	connectTokenSignals(tokens, this);
@@ -120,8 +114,6 @@ int AppearanceSpacing::extraExtraLarge() const {
 					: 0;
 }

-// AppearancePadding
-
 void AppearancePadding::bindTokens(PaddingTokens* tokens) {
 	m_tokens = tokens;
 	connectTokenSignals(tokens, this);
@@ -167,8 +159,6 @@ int AppearancePadding::extraExtraLarge() const {
 					: 0;
 }

-// AnimDurations
-
 void AnimDurations::bindTokens(AnimDurationTokens* tokens) {
 	m_tokens = tokens;
 	connectTokenSignals(tokens, this);
@@ -11,7 +11,6 @@ namespace ZShell::config {

 using Qt::StringLiterals::operator""_s;

-// Forward declare token types from tokens.hpp
 class RoundingTokens;
 class SpacingTokens;
 class PaddingTokens;
@@ -17,24 +17,6 @@ class Performance : public settings::ObjectNode {
 	CONFIG_PROPERTY(bool, showVram, true)
 };

-class DashboardSizes : public settings::ObjectNode {
-	CONFIG_NODE(DashboardSizes, settings::ObjectNode)
-
-	CONFIG_PROPERTY(int, dateTimeWidth, 110)
-	CONFIG_PROPERTY(int, infoIconSize, 25)
-	CONFIG_PROPERTY(int, infoWidth, 200)
-	CONFIG_PROPERTY(int, mediaCoverArtSize, 150)
-	CONFIG_PROPERTY(int, mediaProgressSweep, 180)
-	CONFIG_PROPERTY(int, mediaProgressThickness, 8)
-	CONFIG_PROPERTY(int, mediaVisualizerSize, 200)
-	CONFIG_PROPERTY(int, mediaWidth, 200)
-	CONFIG_PROPERTY(int, resourceProgessThickness, 10)
-	CONFIG_PROPERTY(int, resourceSize, 200)
-	CONFIG_PROPERTY(int, tabIndicatorHeight, 3)
-	CONFIG_PROPERTY(int, tabIndicatorSpacing, 5)
-	CONFIG_PROPERTY(int, weatherWidth, 250)
-};
-
 class ProcessColumnEntry : public settings::ObjectNode {
 	CONFIG_NODE(ProcessColumnEntry, settings::ObjectNode)

@@ -51,9 +33,12 @@ class Dashboard : public settings::ObjectNode {
 	CONFIG_PROPERTY(bool, showOnHover, true)
 	CONFIG_PROPERTY(int, dragThreshold, 50)
 	CONFIG_PROPERTY(int, mediaUpdateInterval, 2000)
+	CONFIG_PROPERTY(bool, showWeather, true)
+	CONFIG_PROPERTY(bool, showDashboard, true)
+	CONFIG_PROPERTY(bool, showMedia, true)
+	CONFIG_PROPERTY(bool, showProcesses, false)
 	CONFIG_SUBOBJECT(Performance, performance)
 	CONFIG_PROPERTY(int, resourceUpdateInterval, 1000)
-	CONFIG_SUBOBJECT(DashboardSizes, sizes)
 	CONFIG_LIST(
 		ProcessColumnList,
 		processColumns,
@@ -149,6 +149,19 @@ class DashboardTokens : public settings::ObjectNode {
 	CONFIG_PROPERTY(int, processesHeight, 800)
 	CONFIG_PROPERTY(int, processesHeaderHeight, 40)
 	CONFIG_PROPERTY(int, processesRowHeight, 40)
+	CONFIG_PROPERTY(int, dateTimeWidth, 110)
+	CONFIG_PROPERTY(int, infoIconSize, 25)
+	CONFIG_PROPERTY(int, infoWidth, 200)
+	CONFIG_PROPERTY(int, mediaCoverArtSize, 150)
+	CONFIG_PROPERTY(int, mediaProgressSweep, 180)
+	CONFIG_PROPERTY(int, mediaProgressThickness, 8)
+	CONFIG_PROPERTY(int, mediaVisualizerSize, 200)
+	CONFIG_PROPERTY(int, mediaWidth, 200)
+	CONFIG_PROPERTY(int, resourceProgessThickness, 10)
+	CONFIG_PROPERTY(int, resourceSize, 200)
+	CONFIG_PROPERTY(int, tabIndicatorHeight, 3)
+	CONFIG_PROPERTY(int, tabIndicatorSpacing, 5)
+	CONFIG_PROPERTY(int, weatherWidth, 250)
 };

 class SizeTokens : public settings::ObjectNode {
@@ -19,6 +19,7 @@ qml_module(ZShell-services
 		diskinfo.hpp diskinfo.cpp
 		storage.hpp storage.cpp
 		processes.hpp processes.cpp
+		networkusage.hpp networkusage.cpp
 		lyriccandidate.hpp lyriccandidate.cpp
 		lyrics.hpp lyrics.cpp
 	LIBRARIES
@@ -30,6 +31,11 @@ qml_module(ZShell-services
 		Sensors::Sensors
 		ZShell-config
 		ZShell-settings
+		ZShell-internal
+		ZShell
+		zshell-util
 	DEPENDENCIES
+		ZShell
 		ZShell.Config
+		ZShell.Internal
 )
@@ -0,0 +1,153 @@
+#include "networkusage.hpp"
+
+#include <qbytearrayview.h>
+#include <qfile.h>
+#include <qtypes.h>
+
+#include <array>
+#include <charconv>
+#include <system_error>
+
+#include "config/rootnodes.hpp"
+#include "config/dashboard.hpp"
+
+namespace ZShell::services {
+
+using Qt::StringLiterals::operator""_s;
+
+NetworkUsage::NetworkUsage(QObject* parent)
+	: TickingService(parent)
+	, m_downloadBuffer(new internal::CircularBuffer(this))
+	, m_uploadBuffer(new internal::CircularBuffer(this)) {
+	m_downloadBuffer->setSmoothingRadius(2);
+	m_uploadBuffer->setSmoothingRadius(2);
+
+	auto* resources =
+		config::ConfigSingleton::instance()->dashboard()->performance();
+	setHistoryLength(resources->showVram() ? 70 : 30);
+	QObject::connect(
+		resources,
+		&ZShell::config::Performance::showVramChanged,
+		this,
+		[this, resources] {
+			setHistoryLength(resources->showVram() ? 70 : 30);
+		});
+}
+
+qreal NetworkUsage::downloadSpeed() const {
+	return m_downloadSpeed;
+}
+
+qreal NetworkUsage::uploadSpeed() const {
+	return m_uploadSpeed;
+}
+
+qreal NetworkUsage::downloadTotal() const {
+	return m_downloadTotal;
+}
+
+qreal NetworkUsage::uploadTotal() const {
+	return m_uploadTotal;
+}
+
+int NetworkUsage::historyLength() const {
+	return m_historyLength;
+}
+
+void NetworkUsage::setHistoryLength(int length) {
+	if (length <= 0 || length == m_historyLength) {
+		return;
+	}
+	m_historyLength = length;
+	m_downloadBuffer->setCapacity(m_historyLength + 1);
+	m_uploadBuffer->setCapacity(m_historyLength + 1);
+	Q_EMIT historyLengthChanged();
+}
+
+internal::CircularBuffer* NetworkUsage::downloadBuffer() const {
+	return m_downloadBuffer;
+}
+
+internal::CircularBuffer* NetworkUsage::uploadBuffer() const {
+	return m_uploadBuffer;
+}
+
+void NetworkUsage::tick() {
+	QFile f(u"/proc/net/dev"_s);
+	if (!f.open(QIODevice::ReadOnly | QIODevice::Text)) {
+		return;
+	}
+	// Skip headers
+	f.readLine();
+	f.readLine();
+
+	quint64 totalRx = 0;
+	quint64 totalTx = 0;
+
+	while (!f.atEnd()) {
+		const QByteArray line = f.readLine();
+		const qsizetype splitIdx = line.indexOf(':');
+		if (splitIdx == -1) {
+			continue;
+		}
+		const QByteArray iface = line.left(splitIdx).trimmed();
+		if (iface == QByteArrayView("lo")) {
+			continue; // Skip loopback interface
+		}
+
+		// Parse every counter through tx bytes to validate the row
+		const char* pos = line.constData() + splitIdx + 1;
+		const char* const end = line.constData() + line.size();
+
+		std::array<unsigned long long, 9> fields{};
+		bool valid = true;
+		for (unsigned long long& field : fields) {
+			while (pos < end && (*pos == ' ' || *pos == '\t'))
+				++pos;
+
+			const auto [next, ec] = std::from_chars(pos, end, field);
+			if (ec != std::errc{}) {
+				valid = false;
+				break;
+			}
+			pos = next;
+		}
+
+		if (!valid) continue;
+
+		totalRx += static_cast<quint64>(fields[0]);
+		totalTx += static_cast<quint64>(fields[8]);
+	}
+	f.close();
+
+	if (!m_initialized) {
+		m_prevRx = totalRx;
+		m_prevTx = totalTx;
+		m_timer.start();
+		m_initialized = true;
+		return;
+	}
+
+	const qreal elapsed = static_cast<qreal>(m_timer.restart()) / 1000.0;
+	const quint64 rxDelta = totalRx >= m_prevRx ? totalRx - m_prevRx : 0;
+	const quint64 txDelta = totalTx >= m_prevTx ? totalTx - m_prevTx : 0;
+
+	m_downloadTotal += static_cast<qreal>(rxDelta);
+	m_uploadTotal += static_cast<qreal>(txDelta);
+
+	if (elapsed > 0.0) {
+		// Calculate speeds
+		m_downloadSpeed = static_cast<qreal>(rxDelta) / elapsed;
+		m_uploadSpeed = static_cast<qreal>(txDelta) / elapsed;
+
+		m_downloadBuffer->push(m_downloadSpeed);
+		m_uploadBuffer->push(m_uploadSpeed);
+	}
+
+	m_prevRx = totalRx;
+	m_prevTx = totalTx;
+
+	emit changed();
+}
+
+} // namespace ZShell::services
@@ -0,0 +1,66 @@
+#pragma once
+
+#include <qelapsedtimer.h>
+#include <qqmlintegration.h>
+
+#include "internal/circularbuffer.hpp"
+#include "tickingservice.hpp"
+
+namespace ZShell::services {
+
+class NetworkUsage : public TickingService {
+	Q_OBJECT
+	QML_ELEMENT
+	QML_SINGLETON
+
+	Q_PROPERTY(qreal downloadSpeed READ downloadSpeed NOTIFY changed)
+	Q_PROPERTY(qreal uploadSpeed READ uploadSpeed NOTIFY changed)
+	Q_PROPERTY(qreal downloadTotal READ downloadTotal NOTIFY changed)
+	Q_PROPERTY(qreal uploadTotal READ uploadTotal NOTIFY changed)
+	Q_PROPERTY(int historyLength READ historyLength NOTIFY historyLengthChanged)
+
+	Q_PROPERTY(
+		ZShell::internal::CircularBuffer* downloadBuffer READ downloadBuffer
+			CONSTANT)
+	Q_PROPERTY(
+		ZShell::internal::CircularBuffer* uploadBuffer READ uploadBuffer
+			CONSTANT)
+
+	public:
+	explicit NetworkUsage(QObject* parent = nullptr);
+
+	[[nodiscard]] qreal downloadSpeed() const;
+	[[nodiscard]] qreal uploadSpeed() const;
+	[[nodiscard]] qreal downloadTotal() const;
+	[[nodiscard]] qreal uploadTotal() const;
+	[[nodiscard]] int historyLength() const;
+
+	[[nodiscard]] internal::CircularBuffer* downloadBuffer() const;
+	[[nodiscard]] internal::CircularBuffer* uploadBuffer() const;
+
+	signals:
+	void changed();
+	void historyLengthChanged();
+
+	protected:
+	void tick() override;
+
+	private:
+	void setHistoryLength(int length);
+
+	qreal m_downloadSpeed = 0.0;
+	qreal m_uploadSpeed = 0.0;
+	qreal m_downloadTotal = 0.0;
+	qreal m_uploadTotal = 0.0;
+	int m_historyLength = 30;
+
+	internal::CircularBuffer* m_downloadBuffer = nullptr;
+	internal::CircularBuffer* m_uploadBuffer = nullptr;
+
+	quint64 m_prevRx = 0;
+	quint64 m_prevTx = 0;
+	bool m_initialized = false;
+	QElapsedTimer m_timer;
+};
+
+} // namespace ZShell::services
@@ -2,8 +2,13 @@

 #include <algorithm>
 #include <array>
+#include <cerrno>
+#include <cstdio>
+#include <dirent.h>
+#include <fcntl.h>
 #include <pwd.h>
 #include <signal.h>
+#include <sys/types.h>
 #include <unistd.h>

 #include <qbytearray.h>
@@ -12,6 +17,7 @@
 #include <qfile.h>
 #include <qfuturewatcher.h>
 #include <qloggingcategory.h>
+#include <qthreadpool.h>
 #include <qregularexpression.h>
 #include <qset.h>
 #include <QtConcurrent/qtconcurrentrun.h>
@@ -53,6 +59,82 @@ template <typename T> int cmpVals(const T& a, const T& b) {
 	return (a < b) - (a > b);
 }

+// glibc hides getdents64 behind __USE_MISC; declare directly (no _GNU_SOURCE
+// in this project).
+extern "C" {
+struct ProcDirEnt64 {
+	unsigned long d_ino;
+	off_t d_off;
+	unsigned short d_reclen;
+	unsigned char d_type;
+	char d_name[1];
+};
+
+ssize_t getdents64(int fd, void* dirp, size_t count);
+}
+
+// Raw open/read/close instead of QFile: QFSFileEngine issues an extra
+// statx per open, and the per-file object churn adds up across ~500
+// processes per refresh.
+QByteArray readProcFile(const char* path) {
+	const int fd = ::open(path, O_RDONLY | O_CLOEXEC);
+	if (fd < 0) {
+		return {};
+	}
+	QByteArray data;
+	char buf[4096];
+	for (;;) {
+		const ssize_t n = ::read(fd, buf, sizeof(buf));
+		if (n < 0) {
+			if (errno == EINTR) {
+				continue;
+			}
+			break;
+		}
+		if (n == 0) {
+			break;
+		}
+		data.append(buf, static_cast<qsizetype>(n));
+	}
+	::close(fd);
+	return data;
+}
+
+void procPath(char* out, size_t size, pid_t pid, const char* what) {
+	::snprintf(out, size, "/proc/%d/%s", static_cast<int>(pid), what);
+}
+
+QVector<pid_t> listProcPids() {
+	QVector<pid_t> pids;
+	const int fd = ::openat(AT_FDCWD, "/proc", O_RDONLY | O_DIRECTORY);
+	if (fd < 0) {
+		return pids;
+	}
+
+	std::array<char, 256 * 1024> buf;
+	for (;;) {
+		const ssize_t n = ::getdents64(
+			fd, reinterpret_cast<ProcDirEnt64*>(buf.data()), buf.size());
+		if (n <= 0) {
+			break;
+		}
+		for (ssize_t off = 0; off < n;) {
+			const auto* d =
+				reinterpret_cast<const ProcDirEnt64*>(buf.data() + off);
+			if (d->d_type == DT_DIR) {
+				bool ok = false;
+				const long v = QByteArray(d->d_name).toLong(&ok);
+				if (ok && v > 0) {
+					pids.push_back(static_cast<pid_t>(v));
+				}
+			}
+			off += static_cast<ssize_t>(d->d_reclen);
+		}
+	}
+	::close(fd);
+	return pids;
+}
+

 struct FuzzyText {
 	QString chars;
@@ -460,19 +542,24 @@ void ProcessModel::setDesktopEntryIcons(
 }

 QString ProcessModel::resolveProcessExe(pid_t pid) {
-	const QString path = QStringLiteral("/proc/%1/exe").arg(pid);
-	const QString target = QFile::symLinkTarget(path);
-
-	return target;
+	char path[40];
+	procPath(path, sizeof(path), pid, "exe");
+	char buf[4096];
+	const ssize_t n = ::readlink(path, buf, sizeof(buf) - 1);
+	if (n < 0) {
+		return {};
+	}
+	buf[n] = '\0';
+	return QString::fromLocal8Bit(buf, static_cast<int>(n));
 }

 std::optional<ProcessModel::RawStat> ProcessModel::readStat(pid_t pid) {
-	QFile f(QStringLiteral("/proc/%1/stat").arg(pid));
-	if (!f.open(QIODevice::ReadOnly)) {
+	char path[40];
+	procPath(path, sizeof(path), pid, "stat");
+	const QByteArray data = readProcFile(path);
+	if (data.isEmpty()) {
 		return std::nullopt;
 	}
-	const QByteArray data = f.readAll();
-	f.close();

 	const qsizetype openParen = data.indexOf('(');
 	const qsizetype closeParen = data.lastIndexOf(')');
@@ -500,12 +587,9 @@ std::optional<ProcessModel::RawStat> ProcessModel::readStat(pid_t pid) {
 }

 QString ProcessModel::readCommandLine(pid_t pid, const QString& fallbackComm) {
-	QFile f(QStringLiteral("/proc/%1/cmdline").arg(pid));
-	if (!f.open(QIODevice::ReadOnly)) {
-		return QStringLiteral("[%1]").arg(fallbackComm);
-	}
-	QByteArray data = f.readAll();
-	f.close();
+	char path[40];
+	procPath(path, sizeof(path), pid, "cmdline");
+	QByteArray data = readProcFile(path);

 	if (data.isEmpty()) {
 		return QStringLiteral("[%1]").arg(fallbackComm);
@@ -523,12 +607,9 @@ QString ProcessModel::readCommandLine(pid_t pid, const QString& fallbackComm) {
 }

 ProcessModel::StatusInfo ProcessModel::readStatus(pid_t pid) {
-	QFile f(QStringLiteral("/proc/%1/status").arg(pid));
-	if (!f.open(QIODevice::ReadOnly)) {
-		return {};
-	}
-	const QByteArray data = f.readAll();
-	f.close();
+	char path[40];
+	procPath(path, sizeof(path), pid, "status");
+	const QByteArray data = readProcFile(path);

 	StatusInfo out;
 	qsizetype pos = 0;
@@ -554,12 +635,9 @@ ProcessModel::StatusInfo ProcessModel::readStatus(pid_t pid) {
 }

 ProcessModel::IoInfo ProcessModel::readIo(pid_t pid) {
-	QFile f(QStringLiteral("/proc/%1/io").arg(pid));
-	if (!f.open(QIODevice::ReadOnly)) {
-		return {};
-	}
-	const QByteArray data = f.readAll();
-	f.close();
+	char path[40];
+	procPath(path, sizeof(path), pid, "io");
+	const QByteArray data = readProcFile(path);

 	IoInfo out;
 	qsizetype pos = 0;
@@ -606,12 +684,10 @@ QString ProcessModel::resolveUsername(uid_t uid, QHash<uid_t, QString>& cache) {
 }

 std::optional<double> ProcessModel::readUptimeSeconds() {
-	QFile f(QStringLiteral("/proc/uptime"));
-	if (!f.open(QIODevice::ReadOnly)) {
+	const QByteArray data = readProcFile("/proc/uptime");
+	if (data.isEmpty()) {
 		return std::nullopt;
 	}
-	const QByteArray data = f.readAll();
-	f.close();

 	const auto fields = splitWhitespace(QByteArrayView(data));
 	if (fields.isEmpty()) {
@@ -623,35 +699,17 @@ std::optional<double> ProcessModel::readUptimeSeconds() {
 	return ok ? std::make_optional(uptime) : std::nullopt;
 }

-ProcessModel::ScanResult ProcessModel::scanProcesses(
-	double uptime,
-	double deltaSecs,
-	QHash<pid_t, int> prevPidToAll,
-	QVector<ProcessEntry> prevAll,
-	QHash<uid_t, QString> uidCache,
-	long clockTicksPerSec,
-	QHash<QString, QString> execPathToIcon,
-	QHash<QString, QString> execNameToIcon,
-	QStringList pathDirs,
-	bool desktopEntryIconsChanged,
-	quint64 iconVersion) {
-	Q_UNUSED(
-		pathDirs); // kept for future cgroup fallback; sanitizeExec already ran on GUI thread
-
-	QDir procDir(QStringLiteral("/proc"));
-	const auto entries =
-		procDir.entryList(QDir::Dirs | QDir::NoDotAndDotDot, QDir::NoSort);
-
-	QVector<ProcessEntry> fresh;
-	fresh.reserve(entries.size());
-
-	for (const QString& name : entries) {
-		bool isPid = false;
-		const pid_t pid = static_cast<pid_t>(name.toLong(&isPid));
-		if (!isPid || pid <= 0) {
-			continue;
-		}
+void ProcessModel::scanChunk(
+	const ScanContext& ctx,
+	const QVector<pid_t>& pids,
+	QVector<ProcessEntry>& out,
+	QHash<uid_t, QString>& uidCache) {
+	const QHash<pid_t, int>& prevPidToAll = *ctx.prevPidToAll;
+	const QVector<ProcessEntry>& prevAll = *ctx.prevAll;
+	const QHash<QString, QString>& execPathToIcon = *ctx.execPathToIcon;
+	const QHash<QString, QString>& execNameToIcon = *ctx.execNameToIcon;

+	for (pid_t pid : pids) {
 		const auto statOpt = readStat(pid);
 		if (!statOpt) {
 			continue;
@@ -675,7 +733,7 @@ ProcessModel::ScanResult ProcessModel::scanProcesses(
 			entry.commandLine = readCommandLine(pid, stat.comm);
 		}

-		if (!samePidInstance || desktopEntryIconsChanged) {
+		if (!samePidInstance || ctx.iconsChanged) {
 			const QString exePath = resolveProcessExe(pid);

 			QString iconName;
@@ -711,18 +769,23 @@ ProcessModel::ScanResult ProcessModel::scanProcesses(
 		entry.uid = status.uid;
 		entry.username = resolveUsername(status.uid, uidCache);

-		const IoInfo io = readIo(pid);
+		// /proc/PID/io is only readable by root or the process owner; skip
+		// the open when it is guaranteed to fail.
+		IoInfo io;
+		if (ctx.selfEuid == 0 || status.uid == ctx.selfEuid) {
+			io = readIo(pid);
+		}
 		entry.ioReadBytes = io.readBytes;
 		entry.ioWriteBytes = io.writeBytes;

 		entry.elapsedSecs = std::max(
 			0.0,
-			uptime - (static_cast<double>(stat.starttime) /
-					  static_cast<double>(clockTicksPerSec)));
+			ctx.uptime - (static_cast<double>(stat.starttime) /
+						  static_cast<double>(ctx.clockTicksPerSec)));
 		entry.lastUtime = stat.utime;
 		entry.lastStime = stat.stime;

-		if (samePidInstance && deltaSecs > 0.0) {
+		if (samePidInstance && ctx.deltaSecs > 0.0) {
 			const ProcessEntry& prev = prevAll.at(prevIt.value());
 			const quint64 prevTicks = prev.lastUtime + prev.lastStime;
 			const quint64 nowTicks = stat.utime + stat.stime;
@@ -730,13 +793,97 @@ ProcessModel::ScanResult ProcessModel::scanProcesses(
 				nowTicks > prevTicks ? nowTicks - prevTicks : 0;
 			entry.cpuPercent =
 				(static_cast<double>(deltaTicks) /
-				 (deltaSecs * static_cast<double>(clockTicksPerSec))) *
+				 (ctx.deltaSecs *
+				  static_cast<double>(ctx.clockTicksPerSec))) *
 				100.0;
 		} else {
 			entry.cpuPercent = 0.0;
 		}

-		fresh.push_back(std::move(entry));
+		out.push_back(std::move(entry));
+	}
+}
+
+ProcessModel::ScanResult ProcessModel::scanProcesses(
+	double uptime,
+	double deltaSecs,
+	QHash<pid_t, int> prevPidToAll,
+	QVector<ProcessEntry> prevAll,
+	QHash<uid_t, QString> uidCache,
+	long clockTicksPerSec,
+	QHash<QString, QString> execPathToIcon,
+	QHash<QString, QString> execNameToIcon,
+	QStringList pathDirs,
+	bool desktopEntryIconsChanged,
+	quint64 iconVersion) {
+	Q_UNUSED(
+		pathDirs); // kept for future cgroup fallback; sanitizeExec already ran on GUI thread
+
+	const QVector<pid_t> pids = listProcPids();
+
+	ScanContext ctx;
+	ctx.uptime = uptime;
+	ctx.deltaSecs = deltaSecs;
+	ctx.prevPidToAll = &prevPidToAll;
+	ctx.prevAll = &prevAll;
+	ctx.clockTicksPerSec = clockTicksPerSec;
+	ctx.execPathToIcon = &execPathToIcon;
+	ctx.execNameToIcon = &execNameToIcon;
+	ctx.iconsChanged = desktopEntryIconsChanged;
+	ctx.selfEuid = ::geteuid();
+
+	QVector<ProcessEntry> fresh;
+	fresh.reserve(pids.size());
+
+	// Split the pid list across worker threads; a single pass over /proc is
+	// syscall-bound (open/read/close per file per process) and serializes
+	// badly on large systems. Keep one pool thread free for this function,
+	// which itself runs inside the global pool.
+	int nThreads = qMin(16, QThreadPool::globalInstance()->maxThreadCount() - 1);
+	if (pids.size() < 128 || nThreads < 2) {
+		nThreads = 1;
+	}
+
+	if (nThreads <= 1) {
+		scanChunk(ctx, pids, fresh, uidCache);
+	} else {
+		const qsizetype per = (pids.size() + nThreads - 1) / nThreads;
+		QVector<QVector<pid_t>> chunks(nThreads);
+		QVector<QVector<ProcessEntry>> outs(nThreads);
+		QVector<QHash<uid_t, QString>> uidParts(nThreads);
+		QVector<QFuture<void>> futures;
+
+		for (int t = 0; t < nThreads; ++t) {
+			const qsizetype a = static_cast<qsizetype>(t) * per;
+			const qsizetype b = qMin<qsizetype>(a + per, pids.size());
+			if (a >= b) {
+				continue;
+			}
+			chunks[t] = pids.mid(a, b - a);
+			futures.append(QtConcurrent::run(
+				[&ctx, &chunks, &outs, &uidParts, t]() {
+					scanChunk(ctx, chunks[t], outs[t], uidParts[t]);
+				}));
+		}
+		for (QFuture<void>& f : futures) {
+			f.waitForFinished();
+		}
+
+		for (qsizetype t = 0; t < nThreads; ++t) {
+			for (ProcessEntry& e : outs[t]) {
+				fresh.push_back(std::move(e));
+			}
+			for (auto it = uidParts[t].constBegin();
+				 it != uidParts[t].constEnd();
+				 ++it) {
+				uidCache.insert(it.key(), it.value());
+			}
+		}
+		std::sort(
+			fresh.begin(), fresh.end(), [](const ProcessEntry& a,
+										   const ProcessEntry& b) {
+				return a.pid < b.pid;
+			});
 	}

 	ScanResult result;
@@ -810,6 +957,13 @@ void ProcessModel::onScanFinished() {
 	for (int i = 0; i < mAll.size(); ++i) {
 		mPidToAll.insert(mAll.at(i).pid, i);
 	}
+	for (auto it = mFuzzyCache.begin(); it != mFuzzyCache.end();) {
+		if (mPidToAll.contains(it.key())) {
+			++it;
+		} else {
+			it = mFuzzyCache.erase(it);
+		}
+	}
 	for (auto it = result.newUidNames.constBegin();
 		 it != result.newUidNames.constEnd();
 		 ++it) {
@@ -846,11 +1000,35 @@ void ProcessModel::applyView() {

 		ProcessEntry entry = src;
 		if (searching) {
-			int score = fuzzyQueryScore(fuzzyPrepare(src.command), terms);
-			if (!src.commandLine.isEmpty() && src.commandLine != src.command) {
-				score = qMax(
-					score,
-					fuzzyQueryScore(fuzzyPrepare(src.commandLine), terms));
+			// Normalizing (NFD) + lowering per process per tick is the
+			// expensive part of search; commands are stable for the life of
+			// a process instance (pid + starttime), so cache the prepared
+			// text. comm can still change without an exec (prctl), so
+			// re-prepare when the raw command differs.
+			FuzzyCacheEntry& fe = mFuzzyCache[src.pid];
+			if (fe.starttime != src.starttime || fe.command != src.command) {
+				fe.starttime = src.starttime;
+				fe.command = src.command;
+				const FuzzyText prep = fuzzyPrepare(src.command);
+				fe.commandChars = std::move(prep.chars);
+				fe.commandClasses = std::move(prep.classes);
+				fe.hasCommandLine =
+					!src.commandLine.isEmpty() && src.commandLine != src.command;
+				if (fe.hasCommandLine) {
+					const FuzzyText prepCl = fuzzyPrepare(src.commandLine);
+					fe.commandLineChars = std::move(prepCl.chars);
+					fe.commandLineClasses = std::move(prepCl.classes);
+				} else {
+					fe.commandLineChars = QString();
+					fe.commandLineClasses = {};
+				}
+			}
+			const FuzzyText cmdFuzzy{fe.commandChars, fe.commandClasses};
+			int score = fuzzyQueryScore(cmdFuzzy, terms);
+			if (fe.hasCommandLine) {
+				const FuzzyText clFuzzy{
+					fe.commandLineChars, fe.commandLineClasses};
+				score = qMax(score, fuzzyQueryScore(clFuzzy, terms));
 			}
 			if (score < 0) {
 				continue;
@@ -75,6 +75,16 @@ class ProcessModel : public QAbstractListModel {
 	void sortAscendingChanged();

 	private:
+	struct FuzzyCacheEntry {
+		quint64 starttime = 0;
+		QString command;
+		QString commandChars;
+		QVector<quint8> commandClasses;
+		QString commandLineChars;
+		QVector<quint8> commandLineClasses;
+		bool hasCommandLine = false;
+	};
+
 	struct RawStat {
 		pid_t pid = 0;
 		pid_t ppid = 0;
@@ -116,6 +126,18 @@ class ProcessModel : public QAbstractListModel {
 		quint64 writeBytes = 0;
 	};

+	struct ScanContext {
+		double uptime = 0.0;
+		double deltaSecs = -1.0;
+		const QHash<pid_t, int>* prevPidToAll = nullptr;
+		const QVector<ProcessEntry>* prevAll = nullptr;
+		long clockTicksPerSec = 100;
+		const QHash<QString, QString>* execPathToIcon = nullptr;
+		const QHash<QString, QString>* execNameToIcon = nullptr;
+		bool iconsChanged = false;
+		uid_t selfEuid = 0;
+	};
+
 	struct ScanResult {
 		QVector<ProcessEntry> entries;
 		QHash<uid_t, QString> newUidNames;
@@ -130,6 +152,12 @@ class ProcessModel : public QAbstractListModel {
 	static QString resolveUsername(uid_t uid, QHash<uid_t, QString>& cache);
 	static QString resolveProcessExe(pid_t pid);

+	static void scanChunk(
+		const ScanContext& ctx,
+		const QVector<pid_t>& pids,
+		QVector<ProcessEntry>& out,
+		QHash<uid_t, QString>& uidCache);
+
 	static ScanResult scanProcesses(
 		double uptime,
 		double deltaSecs,
@@ -153,6 +181,7 @@ class ProcessModel : public QAbstractListModel {

 	QVector<ProcessEntry> mAll;
 	QHash<pid_t, int> mPidToAll;
+	QHash<pid_t, FuzzyCacheEntry> mFuzzyCache;

 	QVector<ProcessEntry> mProcesses;
 	QHash<uid_t, QString> mUidToName;
@@ -1,11 +1,7 @@
 #include "tickingservice.hpp"
-#include <QFile>
-#include <QDir>
-#include <QJsonDocument>
-#include <QJsonObject>
-#include <QJsonValue>
-#include <QFileSystemWatcher>
-#include <QTimer>
+
+#include "config/dashboard.hpp"
+#include "config/rootnodes.hpp"

 namespace ZShell::services {

@@ -17,53 +13,13 @@ TickingService::TickingService(QObject* parent)
 		updateTriggered();
 	});

-	QString configPath =
-		QDir::homePath() + QStringLiteral("/.config/zshell/config.json");
-
-	auto reloadConfig = [this, configPath]() {
-		QFile file(configPath);
-		if (!file.open(QIODevice::ReadOnly)) {
-			return;
-		}
-		QJsonDocument doc = QJsonDocument::fromJson(file.readAll());
-		if (doc.isNull()) {
-			return;
-		}
-		QJsonObject dashboard = doc.object().value("dashboard").toObject();
-		if (dashboard.contains("resourceUpdateInterval")) {
-			applyInterval(
-				dashboard.value("resourceUpdateInterval").toInt(1000));
-		}
-	};
-
-	reloadConfig();
-
-	static auto* watcher = new QFileSystemWatcher();
-	if (!watcher->files().contains(configPath)) {
-		QObject::connect(
-			watcher,
-			&QFileSystemWatcher::fileChanged,
-			this,
-			[this, configPath]() {
-				QTimer::singleShot(100, this, [this, configPath]() {
-					QFile file(configPath);
-					if (!file.open(QIODevice::ReadOnly)) {
-						return;
-					}
-					QJsonDocument doc = QJsonDocument::fromJson(file.readAll());
-					if (doc.isNull()) {
-						return;
-					}
-					QJsonObject dashboard =
-						doc.object().value("dashboard").toObject();
-					if (dashboard.contains("resourceUpdateInterval")) {
-						applyInterval(dashboard.value("resourceUpdateInterval")
-										  .toInt(1000));
-					}
-				});
-			});
-		watcher->addPath(configPath);
-	}
+	auto* dash = ZShell::config::ConfigSingleton::instance()->dashboard();
+	applyInterval(dash->resourceUpdateInterval());
+	QObject::connect(
+		dash,
+		&ZShell::config::Dashboard::resourceUpdateIntervalChanged,
+		this,
+		[this, dash] { applyInterval(dash->resourceUpdateInterval()); });
 }

 int TickingService::updateInterval() const {
@@ -1,8 +1,9 @@
 #pragma once

-#include "service.hpp"
 #include <qtimer.h>

+#include "service.hpp"
+
 namespace ZShell::services {

 class TickingService : public Service {
@@ -48,4 +48,20 @@ FormatResult UsageFmt::formatKib(qreal kib, qreal total) const {
 	return {kib, total, "KiB"};
 }

+FormatResult UsageFmt::formatBytes(qreal bytes) const {
+	static constexpr std::array<const char*, 5> units = {
+		"B", "KB", "MB", "GB", "TB"};
+
+	qreal value = finitePositive(bytes) ? bytes : 0.0;
+	const qreal k = 1024.0;
+	std::size_t i = 0;
+
+	while (value >= k && i < units.size() - 1) {
+		value /= k;
+		i++;
+	}
+
+	return {value, 0.0, units[i]};
+}
+
 } // namespace ZShell::services::usagefmt
@@ -31,6 +31,7 @@ class UsageFmt : public QObject {
 	Q_INVOKABLE [[nodiscard]] FormatResult formatKib(qreal kib) const;
 	Q_INVOKABLE [[nodiscard]] FormatResult formatKib(
 		qreal kib, qreal total) const;
+	Q_INVOKABLE [[nodiscard]] FormatResult formatBytes(qreal bytes) const;
 };

 } // namespace ZShell::services::usagefmt
@@ -4,190 +4,205 @@
 #include <qobject.h>
 #include <qvariant.h>

-#include "listnode.hpp" // IWYU pragma: keep
-#include "schema.hpp"   // IWYU pragma: keep
+#include "listnode.hpp"
+#include "schema.hpp"

 namespace ZShell::settings {

-inline QVariantMap vmap(std::initializer_list<std::pair<QString, QVariant>> entries) {
-    QVariantMap map;
-    for (const auto& [key, value] : entries)
-        map.insert(key, value);
-    return map;
+inline QVariantMap vmap(
+	std::initializer_list<std::pair<QString, QVariant>> entries) {
+	QVariantMap map;
+	for (const auto& [key, value] : entries)
+		map.insert(key, value);
+	return map;
 }

 template <typename... Ts> inline QList<QMetaType> unionTypes() {
-    static_assert(sizeof...(Ts) >= 2, "A union needs at least two types");
-    // If the max size is changed, common.cpp `mismatchStr` must be updated
-    static_assert(sizeof...(Ts) <= 4, "A union cannot have more than 4 types");
-    static_assert((!std::is_same_v<Ts, QVariant> && ...), "A union cannot contain QVariant");
+	static_assert(sizeof...(Ts) >= 2, "A union needs at least two types");
+	static_assert(sizeof...(Ts) <= 4, "A union cannot have more than 4 types");
+	static_assert(
+		(!std::is_same_v<Ts, QVariant> && ...),
+		"A union cannot contain QVariant");

-    return { QMetaType::fromType<Ts>()... };
+	return {QMetaType::fromType<Ts>()...};
 }

 namespace detail {

 template <typename T> inline bool compare(const T& a, const T& b) {
-    return a == b;
+	return a == b;
 }

 template <std::floating_point T> bool compare(const T& a, const T& b) {
-    return qFuzzyCompare(a + T(1), b + T(1));
+	return qFuzzyCompare(a + T(1), b + T(1));
 }

-template <std::floating_point T> bool compare(const QList<T>& a, const QList<T>& b) {
-    if (a.size() != b.size())
-        return false;
+template <std::floating_point T>
+bool compare(const QList<T>& a, const QList<T>& b) {
+	if (a.size() != b.size()) return false;

-    for (qsizetype i = 0; i < a.size(); ++i)
-        if (!compare(a.at(i), b.at(i)))
-            return false;
-    return true;
+	for (qsizetype i = 0; i < a.size(); ++i)
+		if (!compare(a.at(i), b.at(i))) return false;
+	return true;
 }

 } // namespace detail

 } // namespace ZShell::settings

-// Helper macro to prevent splitting initialiser lists
 #define DEFAULT_ARG(...) __VA_ARGS__

-// Declares a class to be a node class. This replaces the Q_OBJECT call at the top of the class.
-#define SETTINGS_NODE_NO_CTOR(Class, Base)                                                                             \
-    Q_OBJECT                                                                                                           \
-                                                                                                                       \
-public:                                                                                                                \
-    [[nodiscard]] const ZShell::settings::Schema& schema() const override {                                         \
-        static const auto schema =                                                                                     \
-            ZShell::settings::Schema::build(&staticMetaObject, Base::staticMetaObject.propertyCount());             \
-        return schema;                                                                                                 \
-    }                                                                                                                  \
-                                                                                                                       \
-private:                                                                                                               \
-    using Self = Class; // For use in the below macros
+#define SETTINGS_NODE_NO_CTOR(Class, Base)                                     \
+	Q_OBJECT                                                                   \
+                                                                               \
+	public:                                                                    \
+	[[nodiscard]] const ZShell::settings::Schema& schema() const override {    \
+		static const auto schema = ZShell::settings::Schema::build(            \
+			&staticMetaObject, Base::staticMetaObject.propertyCount());        \
+		return schema;                                                         \
+	}                                                                          \
+                                                                               \
+	private:                                                                   \
+	using Self = Class; // For use in the below macros

-#define SETTINGS_NODE(Class, Base)                                                                                     \
-    SETTINGS_NODE_NO_CTOR(Class, Base)                                                                                 \
-    QML_ANONYMOUS                                                                                                      \
-                                                                                                                       \
-public:                                                                                                                \
-    explicit Class(Class* fallback = nullptr, QObject* parent = nullptr, bool globalOnly = false)                      \
-        : Base(fallback, parent, globalOnly) {}                                                                        \
-                                                                                                                       \
-private:
+#define SETTINGS_NODE(Class, Base)                                             \
+	SETTINGS_NODE_NO_CTOR(Class, Base)                                         \
+	QML_ANONYMOUS                                                              \
+                                                                               \
+	public:                                                                    \
+	explicit Class(                                                            \
+		Class* fallback = nullptr,                                             \
+		QObject* parent = nullptr,                                             \
+		bool globalOnly = false)                                               \
+		: Base(fallback, parent, globalOnly) {}                                \
+                                                                               \
+	private:

-// Defines a property on a node.
-#define SETTINGS_PROPERTY_IMPL(Type, name, global, defaultVal, ...)                                                    \
-    Q_PROPERTY(Type name READ name WRITE set_##name NOTIFY name##Changed)                                              \
-                                                                                                                       \
-public:                                                                                                                \
-    [[nodiscard]] Type name() const {                                                                                  \
-        if (global || m_globalOnly)                                                                                    \
-            warnGlobalRead(QStringLiteral(#name));                                                                     \
-        return m_##name;                                                                                               \
-    }                                                                                                                  \
-                                                                                                                       \
-    void set_##name(const Type& value) {                                                                               \
-        if (!true /* TODO: validation */)                                                                              \
-            return;                                                                                                    \
-                                                                                                                       \
-        if (rejectInvalidWrite(QStringLiteral(#name), value))                                                          \
-            return; /* Skip writes of the wrong type */                                                                \
-                                                                                                                       \
-        if (rejectGlobalWrite(QStringLiteral(#name)))                                                                  \
-            return; /* Skip writes to global only keys, they should be sent to the global layer */                     \
-                                                                                                                       \
-        const auto needsNotify = !ZShell::settings::detail::compare(value, m_##name);                               \
-        m_##name = value;                                                                                              \
-        if (recordWrite(QStringLiteral(#name), needsNotify))                                                           \
-            Q_EMIT name##Changed();                                                                                    \
-    }                                                                                                                  \
-                                                                                                                       \
-    Q_SIGNAL void name##Changed();                                                                                     \
-                                                                                                                       \
-private:                                                                                                               \
-    Type m_##name = fallbackValue(&Self::m_##name, defaultVal);                                                        \
-    inline static const bool s_register_##name =                                                                       \
-        (ZShell::settings::Schema::annotate(&staticMetaObject, QStringLiteral(#name),                               \
-             { .defaultValue = QVariant::fromValue<Type>(defaultVal), .globalOnly = global, __VA_ARGS__ }),            \
-            true);
+#define SETTINGS_PROPERTY_IMPL(Type, name, global, defaultVal, ...)            \
+	Q_PROPERTY(Type name READ name WRITE set_##name NOTIFY name##Changed)      \
+                                                                               \
+	public:                                                                    \
+	[[nodiscard]] Type name() const {                                          \
+		if (global || m_globalOnly) warnGlobalRead(QStringLiteral(#name));     \
+		return m_##name;                                                       \
+	}                                                                          \
+                                                                               \
+	void set_##name(const Type& value) {                                       \
+		if (!true /* TODO: validation */) return;                              \
+                                                                               \
+		if (rejectInvalidWrite(QStringLiteral(#name), value))                  \
+			return; /* Skip writes of the wrong type */                        \
+                                                                               \
+		if (rejectGlobalWrite(QStringLiteral(#name)))                          \
+			return; /* Skip writes to global only keys */                      \
+                                                                               \
+		const auto needsNotify =                                               \
+			!ZShell::settings::detail::compare(value, m_##name);               \
+		m_##name = value;                                                      \
+		if (recordWrite(QStringLiteral(#name), needsNotify))                   \
+			Q_EMIT name##Changed();                                            \
+	}                                                                          \
+                                                                               \
+	Q_SIGNAL void name##Changed();                                             \
+                                                                               \
+	private:                                                                   \
+	Type m_##name = fallbackValue(&Self::m_##name, defaultVal);                \
+	inline static const bool s_register_##name =                               \
+		(ZShell::settings::Schema::annotate(                                   \
+			 &staticMetaObject,                                                \
+			 QStringLiteral(#name),                                            \
+			 {.defaultValue = QVariant::fromValue<Type>(defaultVal),           \
+			  .globalOnly = global,                                            \
+			  __VA_ARGS__}),                                                   \
+		 true);

-#define SETTINGS_PROPERTY(Type, name, defaultVal, ...)                                                                 \
-    SETTINGS_PROPERTY_IMPL(Type, name, false, DEFAULT_ARG(defaultVal), __VA_ARGS__)
+#define SETTINGS_PROPERTY(Type, name, defaultVal, ...)                         \
+	SETTINGS_PROPERTY_IMPL(                                                    \
+		Type, name, false, DEFAULT_ARG(defaultVal), __VA_ARGS__)

 // Defines a global property on a node. Shorthand for .globalOnly = true.
-#define SETTINGS_GLOBAL_PROPERTY(Type, name, defaultVal, ...)                                                          \
-    SETTINGS_PROPERTY_IMPL(Type, name, true, DEFAULT_ARG(defaultVal), __VA_ARGS__)
+#define SETTINGS_GLOBAL_PROPERTY(Type, name, defaultVal, ...)                  \
+	SETTINGS_PROPERTY_IMPL(                                                    \
+		Type, name, true, DEFAULT_ARG(defaultVal), __VA_ARGS__)

 // Defines a subobject property on a node. Subobject properties are CONSTANT.
-#define SETTINGS_SUBOBJECT_IMPL(Type, name, global)                                                                    \
-    Q_PROPERTY(Type* name READ name CONSTANT)                                                                          \
-                                                                                                                       \
-public:                                                                                                                \
-    [[nodiscard]] Type* name() const {                                                                                 \
-        if (global || m_globalOnly)                                                                                    \
-            warnGlobalRead(QStringLiteral(#name));                                                                     \
-        return m_##name;                                                                                               \
-    }                                                                                                                  \
-                                                                                                                       \
-private:                                                                                                               \
-    Type* m_##name = new Type(fallbackValue(&Self::m_##name, nullptr), this, global);                                  \
-    inline static const bool s_register_##name =                                                                       \
-        (ZShell::settings::Schema::annotate(                                                                        \
-             &staticMetaObject, QStringLiteral(#name), { .defaultValue = {}, .globalOnly = global }),                  \
-            true);
+#define SETTINGS_SUBOBJECT_IMPL(Type, name, global)                            \
+	Q_PROPERTY(Type* name READ name CONSTANT)                                  \
+                                                                               \
+	public:                                                                    \
+	[[nodiscard]] Type* name() const {                                         \
+		if (global || m_globalOnly) warnGlobalRead(QStringLiteral(#name));     \
+		return m_##name;                                                       \
+	}                                                                          \
+                                                                               \
+	private:                                                                   \
+	Type* m_##name =                                                           \
+		new Type(fallbackValue(&Self::m_##name, nullptr), this, global);       \
+	inline static const bool s_register_##name =                               \
+		(ZShell::settings::Schema::annotate(                                   \
+			 &staticMetaObject,                                                \
+			 QStringLiteral(#name),                                            \
+			 {.defaultValue = {}, .globalOnly = global}),                      \
+		 true);

-#define SETTINGS_SUBOBJECT(Type, name) SETTINGS_SUBOBJECT_IMPL(Type, name, false)
+#define SETTINGS_SUBOBJECT(Type, name)                                         \
+	SETTINGS_SUBOBJECT_IMPL(Type, name, false)

-// Defines a global subobject on a node. Everything inside it is global only.
-#define SETTINGS_GLOBAL_SUBOBJECT(Type, name) SETTINGS_SUBOBJECT_IMPL(Type, name, true)
+#define SETTINGS_GLOBAL_SUBOBJECT(Type, name)                                  \
+	SETTINGS_SUBOBJECT_IMPL(Type, name, true)

-// Defines a list type for use with SETTINGS_LIST.
-#define SETTINGS_LIST_TYPE(Element, Name)                                                                              \
-    class Name : public ZShell::settings::ListNode {                                                                \
-        Q_OBJECT                                                                                                       \
-        QML_ANONYMOUS                                                                                                  \
-                                                                                                                       \
-    public:                                                                                                            \
-        explicit Name(Name* fallback = nullptr, QObject* parent = nullptr, bool globalOnly = false)                    \
-            : ZShell::settings::ListNode(fallback, parent, globalOnly) {}                                           \
-                                                                                                                       \
-        [[nodiscard]] Q_INVOKABLE Element* at(qsizetype index) const { /* Format ugh */                                \
-            return static_cast<Element*>(elementAt(index));                                                            \
-        }                                                                                                              \
-        [[nodiscard]] Q_INVOKABLE Element* insert(const QVariantMap& props, qsizetype index = -1) {                    \
-            return static_cast<Element*>(insertElement(props, index));                                                 \
-        }                                                                                                              \
-                                                                                                                       \
-    protected:                                                                                                         \
-        [[nodiscard]] ZShell::settings::Node* createElement(ZShell::settings::Node* fallback) override {         \
-            return new Element(static_cast<Element*>(fallback), this);                                                 \
-        }                                                                                                              \
-    };
+#define SETTINGS_LIST_TYPE(Element, Name)                                      \
+	class Name : public ZShell::settings::ListNode {                           \
+		Q_OBJECT                                                               \
+		QML_ANONYMOUS                                                          \
+                                                                               \
+		public:                                                                \
+		explicit Name(                                                         \
+			Name* fallback = nullptr,                                          \
+			QObject* parent = nullptr,                                         \
+			bool globalOnly = false)                                           \
+			: ZShell::settings::ListNode(fallback, parent, globalOnly) {}      \
+                                                                               \
+		[[nodiscard]] Q_INVOKABLE Element* at(                                 \
+			qsizetype index) const { /* Format ugh */                          \
+			return static_cast<Element*>(elementAt(index));                    \
+		}                                                                      \
+		[[nodiscard]] Q_INVOKABLE Element* insert(                             \
+			const QVariantMap& props, qsizetype index = -1) {                  \
+			return static_cast<Element*>(insertElement(props, index));         \
+		}                                                                      \
+                                                                               \
+		protected:                                                             \
+		[[nodiscard]] ZShell::settings::Node* createElement(                   \
+			ZShell::settings::Node* fallback) override {                       \
+			return new Element(static_cast<Element*>(fallback), this);         \
+		}                                                                      \
+	};

-// Defines a list property on a node. List properties are CONSTANT.
-#define SETTINGS_LIST_IMPL(Type, name, global, defaultVal, ...)                                                        \
-    Q_PROPERTY(Type* name READ name CONSTANT)                                                                          \
-                                                                                                                       \
-public:                                                                                                                \
-    [[nodiscard]] Type* name() const {                                                                                 \
-        if (global || m_globalOnly)                                                                                    \
-            warnGlobalRead(QStringLiteral(#name));                                                                     \
-        return m_##name;                                                                                               \
-    }                                                                                                                  \
-                                                                                                                       \
-private:                                                                                                               \
-    Type* m_##name = new Type(fallbackValue(&Self::m_##name, nullptr), this, global);                                  \
-    inline static const bool s_register_##name =                                                                       \
-        (ZShell::settings::Schema::annotate(&staticMetaObject, QStringLiteral(#name),                               \
-             { .defaultValue = QVariant::fromValue<QList<QVariantMap>>(defaultVal),                                    \
-                 .globalOnly = global,                                                                                 \
-                 __VA_ARGS__ }),                                                                                       \
-            true);
+#define SETTINGS_LIST_IMPL(Type, name, global, defaultVal, ...)                \
+	Q_PROPERTY(Type* name READ name CONSTANT)                                  \
+                                                                               \
+	public:                                                                    \
+	[[nodiscard]] Type* name() const {                                         \
+		if (global || m_globalOnly) warnGlobalRead(QStringLiteral(#name));     \
+		return m_##name;                                                       \
+	}                                                                          \
+                                                                               \
+	private:                                                                   \
+	Type* m_##name =                                                           \
+		new Type(fallbackValue(&Self::m_##name, nullptr), this, global);       \
+	inline static const bool s_register_##name =                               \
+		(ZShell::settings::Schema::annotate(                                   \
+			 &staticMetaObject,                                                \
+			 QStringLiteral(#name),                                            \
+			 {.defaultValue =                                                  \
+				  QVariant::fromValue<QList<QVariantMap>>(defaultVal),         \
+			  .globalOnly = global,                                            \
+			  __VA_ARGS__}),                                                   \
+		 true);

-#define SETTINGS_LIST(Type, name, defaultVal, ...)                                                                     \
-    SETTINGS_LIST_IMPL(Type, name, false, DEFAULT_ARG(defaultVal), __VA_ARGS__)
+#define SETTINGS_LIST(Type, name, defaultVal, ...)                             \
+	SETTINGS_LIST_IMPL(Type, name, false, DEFAULT_ARG(defaultVal), __VA_ARGS__)

-// Defines a global list on a node. Everything inside it is global only.
-#define SETTINGS_GLOBAL_LIST(Type, name, defaultVal, ...)                                                              \
-    SETTINGS_LIST_IMPL(Type, name, true, DEFAULT_ARG(defaultVal), __VA_ARGS__)
+#define SETTINGS_GLOBAL_LIST(Type, name, defaultVal, ...)                      \
+	SETTINGS_LIST_IMPL(Type, name, true, DEFAULT_ARG(defaultVal), __VA_ARGS__)