noctalia-shell/Widgets/NCircleStat.qml

112 lines
3.4 KiB
QML

import QtQuick
import QtQuick.Layouts
import qs.Commons
import qs.Services
import qs.Widgets
// Compact circular statistic display using Layout management
Rectangle {
id: root
property real value: 0 // 0..100 (or any range visually mapped)
property string icon: ""
property string suffix: "%"
// When nested inside a parent group (NBox), you can make it flat
property bool flat: false
// Scales the internal content (labels, gauge, icon) without changing the
// outer width/height footprint of the component
property real contentScale: 1.0
width: 68 * scaling
height: 92 * scaling
color: flat ? Color.transparent : Color.mSurface
radius: Style.radiusS * scaling
border.color: flat ? Color.transparent : Color.mSurfaceVariant
border.width: flat ? 0 : Math.max(1, Style.borderS * scaling)
clip: true
// Repaint gauge when the bound value changes
onValueChanged: gauge.requestPaint()
ColumnLayout {
id: mainLayout
anchors.fill: parent
anchors.margins: Style.marginS * scaling * contentScale
spacing: 0
// Main gauge container
Item {
id: gaugeContainer
Layout.fillWidth: true
Layout.fillHeight: true
Layout.alignment: Qt.AlignCenter
Layout.preferredWidth: 68 * scaling * contentScale
Layout.preferredHeight: 68 * scaling * contentScale
Canvas {
id: gauge
anchors.fill: parent
renderStrategy: Canvas.Cooperative
onPaint: {
const ctx = getContext("2d")
const w = width, h = height
const cx = w / 2, cy = h / 2
const r = Math.min(w, h) / 2 - 5 * scaling * contentScale
// 240° arc with a 120° gap centered on the right side
// Start at 60° and end at 300° → balanced right-side opening
const start = Math.PI / 3
const endBg = Math.PI * 5 / 3
ctx.reset()
ctx.lineWidth = 6 * scaling * contentScale
// Track uses surfaceVariant for stronger contrast
ctx.strokeStyle = Color.mSurface
ctx.beginPath()
ctx.arc(cx, cy, r, start, endBg)
ctx.stroke()
// Value arc
const ratio = Math.max(0, Math.min(1, root.value / 100))
const end = start + (endBg - start) * ratio
ctx.strokeStyle = Color.mPrimary
ctx.beginPath()
ctx.arc(cx, cy, r, start, end)
ctx.stroke()
}
}
// Percent centered in the circle
NText {
id: valueLabel
anchors.centerIn: parent
text: `${root.value}${root.suffix}`
font.pointSize: Style.fontSizeM * scaling * contentScale
font.weight: Style.fontWeightBold
color: Color.mOnSurface
horizontalAlignment: Text.AlignHCenter
}
// Tiny circular badge for the icon, positioned using anchors within the gauge
Rectangle {
id: iconBadge
width: iconText.implicitWidth + Style.marginXS * scaling
height: width
radius: width / 2
color: Color.mPrimary
anchors.right: parent.right
anchors.top: parent.top
anchors.rightMargin: -2 * scaling
anchors.topMargin: -2 * scaling
NIcon {
id: iconText
anchors.centerIn: parent
icon: root.icon
color: Color.mOnPrimary
font.pointSize: Style.fontSizeM * scaling
horizontalAlignment: Text.AlignHCenter
verticalAlignment: Text.AlignVCenter
}
}
}
}
}