overview backdrop: cyberpunk neon clock, scan lines, hex grid, system stats

This commit is contained in:
Damocles 2026-04-12 23:28:11 +02:00
parent c6e1630e8a
commit f690a42c52

View file

@ -1,10 +1,10 @@
import QtQuick import QtQuick
import QtQuick.Effects
import Quickshell import Quickshell
import Quickshell.Io
import Quickshell.Wayland import Quickshell.Wayland
import "." as M import "." as M
// Rendered in niri's overview backdrop via place-within-backdrop layer rule.
// Visible between workspace rows during overview.
PanelWindow { PanelWindow {
id: root id: root
@ -22,57 +22,390 @@ PanelWindow {
anchors.right: true anchors.right: true
anchors.bottom: true anchors.bottom: true
// Test pattern diagonal gradient with centered label SystemClock {
id: clock
precision: SystemClock.Seconds
}
// Slow drifting gradient background
Rectangle { Rectangle {
anchors.fill: parent anchors.fill: parent
property real _phase: 0
NumberAnimation on _phase {
from: 0
to: 360
duration: 30000
loops: Animation.Infinite
}
gradient: Gradient { gradient: Gradient {
orientation: Gradient.Horizontal orientation: Gradient.Horizontal
GradientStop { GradientStop {
position: 0 position: 0
color: Qt.rgba(M.Theme.base0C.r, M.Theme.base0C.g, M.Theme.base0C.b, 0.15) color: Qt.rgba(M.Theme.base0C.r, M.Theme.base0C.g, M.Theme.base0C.b, 0.06)
} }
GradientStop { GradientStop {
position: 0.5 position: 0.5
color: Qt.rgba(M.Theme.base0E.r, M.Theme.base0E.g, M.Theme.base0E.b, 0.1) color: Qt.rgba(M.Theme.base0E.r, M.Theme.base0E.g, M.Theme.base0E.b, 0.04)
} }
GradientStop { GradientStop {
position: 1 position: 1
color: Qt.rgba(M.Theme.base09.r, M.Theme.base09.g, M.Theme.base09.b, 0.15) color: Qt.rgba(M.Theme.base09.r, M.Theme.base09.g, M.Theme.base09.b, 0.06)
} }
} }
} }
// Grid of dots as a test pattern // Scanning line slow horizontal sweep
Grid { Rectangle {
id: scanLine
width: 2
height: parent.height
opacity: 0.08
color: M.Theme.base0D
NumberAnimation on x {
from: 0
to: root.width
duration: 8000
loops: Animation.Infinite
easing.type: Easing.InOutSine
}
// Glow trail
Rectangle {
anchors.top: parent.top
anchors.bottom: parent.bottom
anchors.right: parent.left
width: 60
gradient: Gradient {
orientation: Gradient.Horizontal
GradientStop {
position: 0
color: "transparent"
}
GradientStop {
position: 1
color: Qt.rgba(M.Theme.base0D.r, M.Theme.base0D.g, M.Theme.base0D.b, 0.04)
}
}
}
}
// Vertical scan line slower
Rectangle {
id: vScanLine
width: parent.width
height: 1
opacity: 0.06
color: M.Theme.base0E
NumberAnimation on y {
from: 0
to: root.height
duration: 12000
loops: Animation.Infinite
easing.type: Easing.InOutSine
}
}
// Floating hex grid
Canvas {
anchors.fill: parent anchors.fill: parent
columns: Math.floor(width / 80) opacity: 0.04
rows: Math.floor(height / 80)
onPaint: {
const ctx = getContext("2d");
const w = width, h = height;
ctx.clearRect(0, 0, w, h);
ctx.strokeStyle = M.Theme.base05.toString();
ctx.lineWidth = 0.5;
const size = 40;
const dx = size * 1.5;
const dy = size * Math.sqrt(3);
for (let col = -1; col < w / dx + 1; col++) {
for (let row = -1; row < h / dy + 1; row++) {
const cx = col * dx;
const cy = row * dy + (col % 2 ? dy / 2 : 0);
ctx.beginPath();
for (let i = 0; i < 6; i++) {
const angle = Math.PI / 3 * i - Math.PI / 6;
const px = cx + size * 0.5 * Math.cos(angle);
const py = cy + size * 0.5 * Math.sin(angle);
if (i === 0)
ctx.moveTo(px, py);
else
ctx.lineTo(px, py);
}
ctx.closePath();
ctx.stroke();
}
}
}
}
// Center content
Column {
anchors.centerIn: parent
spacing: 20
// Large neon clock
Item {
anchors.horizontalCenter: parent.horizontalCenter
width: clockRow.width
height: clockRow.height
Row {
id: glowSrc
visible: false
anchors.centerIn: parent
Text {
text: Qt.formatDateTime(clock.date, "HH")
color: M.Theme.base0D
font.pixelSize: 96
font.family: M.Theme.fontFamily
font.bold: true
anchors.verticalCenter: parent.verticalCenter
}
Text {
text: ":"
color: _colon._colors[_colon._colorIdx % _colon._colors.length]
font.pixelSize: 96
font.family: M.Theme.fontFamily
font.bold: true
opacity: _colon.opacity
anchors.verticalCenter: parent.verticalCenter
Behavior on color {
ColorAnimation {
duration: 800
}
}
}
Text {
text: Qt.formatDateTime(clock.date, "mm")
color: M.Theme.base0E
font.pixelSize: 96
font.family: M.Theme.fontFamily
font.bold: true
anchors.verticalCenter: parent.verticalCenter
}
}
MultiEffect {
source: glowSrc
anchors.fill: glowSrc
shadowEnabled: true
shadowColor: M.Theme.base0D
shadowBlur: 1.0
shadowVerticalOffset: 0
shadowHorizontalOffset: 0
}
Row {
id: clockRow
anchors.centerIn: parent
Text {
text: Qt.formatDateTime(clock.date, "HH")
color: M.Theme.base0D
opacity: 0.9
font.pixelSize: 96
font.family: M.Theme.fontFamily
font.bold: true
anchors.verticalCenter: parent.verticalCenter
}
Text {
id: _colon
text: ":"
font.pixelSize: 96
font.family: M.Theme.fontFamily
font.bold: true
anchors.verticalCenter: parent.verticalCenter
property int _colorIdx: 0
readonly property var _colors: [M.Theme.base08, M.Theme.base09, M.Theme.base0A, M.Theme.base0B, M.Theme.base0C, M.Theme.base0D, M.Theme.base0E, M.Theme.base05]
color: _colors[_colorIdx % _colors.length]
Behavior on color {
ColorAnimation {
duration: 800
}
}
SequentialAnimation {
loops: Animation.Infinite
running: true
NumberAnimation {
target: _colon
property: "opacity"
to: 0.1
duration: 1000
easing.type: Easing.InOutSine
}
ScriptAction {
script: _colon._colorIdx++
}
NumberAnimation {
target: _colon
property: "opacity"
to: 0.9
duration: 1000
easing.type: Easing.InOutSine
}
}
}
Text {
text: Qt.formatDateTime(clock.date, "mm")
color: M.Theme.base0E
opacity: 0.9
font.pixelSize: 96
font.family: M.Theme.fontFamily
font.bold: true
anchors.verticalCenter: parent.verticalCenter
}
}
}
// Seconds bar
Item {
anchors.horizontalCenter: parent.horizontalCenter
width: clockRow.width
height: 3
Rectangle {
anchors.fill: parent
color: M.Theme.base02
radius: 1
opacity: 0.2
}
Rectangle {
width: parent.width * (clock.date.getSeconds() / 59)
height: parent.height
radius: 1
opacity: 0.6
color: _colon._colors[_colon._colorIdx % _colon._colors.length]
Behavior on color {
ColorAnimation {
duration: 800
}
}
Behavior on width {
NumberAnimation {
duration: 300
}
}
}
}
// Date
Text {
anchors.horizontalCenter: parent.horizontalCenter
text: Qt.formatDateTime(clock.date, "dddd, dd MMMM yyyy")
color: M.Theme.base05
opacity: 0.4
font.pixelSize: 20
font.family: M.Theme.fontFamily
font.letterSpacing: 6
layer.enabled: true
layer.effect: MultiEffect {
shadowEnabled: true
shadowColor: M.Theme.base0D
shadowBlur: 0.3
shadowVerticalOffset: 0
shadowHorizontalOffset: 0
}
}
// System stats row
Row {
anchors.horizontalCenter: parent.horizontalCenter
spacing: 30
Repeater { Repeater {
model: parent.columns * parent.rows model: [
{
label: "CPU",
file: "/proc/stat"
},
{
label: "MEM",
file: "/proc/meminfo"
},
{
label: "TMP",
file: "/sys/class/thermal/thermal_zone0/temp"
}
]
delegate: Column {
required property var modelData
required property int index
spacing: 4
property int _val: 0
readonly property var _accent: [M.Theme.base08, M.Theme.base0B, M.Theme.base09][index]
Timer {
interval: 2000
running: true
repeat: true
triggeredOnStart: true
onTriggered: _reader.running = true
}
Process {
id: _reader
command: ["sh", "-c", {
"CPU": "awk '/^cpu /{u=$2+$4; t=$2+$3+$4+$5+$6+$7+$8; print int(u*100/t)}' /proc/stat",
"MEM": "awk '/MemTotal/{t=$2}/MemAvailable/{a=$2}END{print int((t-a)*100/t)}' /proc/meminfo",
"TMP": "awk '{print int($1/1000)}' /sys/class/thermal/thermal_zone0/temp"
}[modelData.label]]
stdout: StdioCollector {
onStreamFinished: parent.parent._val = parseInt(text) || 0
}
}
Text {
anchors.horizontalCenter: parent.horizontalCenter
text: parent._val + (parent.modelData.label === "TMP" ? "°" : "%")
color: parent._accent
opacity: 0.7
font.pixelSize: 18
font.family: M.Theme.fontFamily
font.bold: true
}
// Mini bar
Item {
anchors.horizontalCenter: parent.horizontalCenter
width: 50
height: 3
Rectangle { Rectangle {
width: 80 anchors.fill: parent
height: 80 color: M.Theme.base02
color: "transparent" radius: 1
opacity: 0.15
}
Rectangle { Rectangle {
anchors.centerIn: parent width: parent.width * Math.min(1, parent.parent._val / 100)
width: 4 height: parent.height
height: 4 radius: 1
radius: 2 opacity: 0.5
color: M.Theme.base0D color: parent.parent._accent
opacity: 0.2 Behavior on width {
NumberAnimation {
duration: 500
} }
} }
} }
} }
Text { Text {
anchors.centerIn: parent anchors.horizontalCenter: parent.horizontalCenter
text: "nova-shell overview backdrop" text: parent.modelData.label
color: M.Theme.base05 color: M.Theme.base04
opacity: 0.3 opacity: 0.4
font.pixelSize: 24 font.pixelSize: 10
font.family: M.Theme.fontFamily font.family: M.Theme.fontFamily
font.letterSpacing: 6 font.letterSpacing: 3
}
}
}
}
} }
} }