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pragma Singleton
pragma ComponentBehavior: Bound
import qs.components.misc
import Quickshell
import Quickshell.Io
import QtQuick
Singleton {
id: root
property list<var> ddcMonitors: []
readonly property list<Monitor> monitors: variants.instances
property bool appleDisplayPresent: false
function getMonitorForScreen(screen: ShellScreen): var {
return monitors.find(m => m.modelData === screen);
}
function getMonitor(query: string): var {
if (query === "active") {
return monitors.find(m => Hypr.monitorFor(m.modelData)?.focused);
}
if (query.startsWith("model:")) {
const model = query.slice(6);
return monitors.find(m => m.modelData.model === model);
}
if (query.startsWith("serial:")) {
const serial = query.slice(7);
return monitors.find(m => m.modelData.serialNumber === serial);
}
if (query.startsWith("id:")) {
const id = parseInt(query.slice(3), 10);
return monitors.find(m => Hypr.monitorFor(m.modelData)?.id === id);
}
return monitors.find(m => m.modelData.name === query);
}
function increaseBrightness(): void {
const monitor = getMonitor("active");
if (monitor)
monitor.setBrightness(monitor.brightness + 0.1);
}
function decreaseBrightness(): void {
const monitor = getMonitor("active");
if (monitor)
monitor.setBrightness(monitor.brightness - 0.1);
}
onMonitorsChanged: {
ddcMonitors = [];
ddcProc.running = true;
}
Variants {
id: variants
model: Quickshell.screens
Monitor {}
}
Process {
running: true
command: ["sh", "-c", "asdbctl get"] // To avoid warnings if asdbctl is not installed
stdout: StdioCollector {
onStreamFinished: root.appleDisplayPresent = text.trim().length > 0
}
}
Process {
id: ddcProc
command: ["ddcutil", "detect", "--brief"]
stdout: StdioCollector {
onStreamFinished: root.ddcMonitors = text.trim().split("\n\n").filter(d => d.startsWith("Display ")).map(d => ({
busNum: d.match(/I2C bus:[ ]*\/dev\/i2c-([0-9]+)/)[1],
connector: d.match(/DRM connector:\s+(.*)/)[1].replace(/^card\d+-/, "") // strip "card1-"
}))
}
}
CustomShortcut {
name: "brightnessUp"
description: "Increase brightness"
onPressed: root.increaseBrightness()
}
CustomShortcut {
name: "brightnessDown"
description: "Decrease brightness"
onPressed: root.decreaseBrightness()
}
IpcHandler {
target: "brightness"
function get(): real {
return getFor("active");
}
// Allows searching by active/model/serial/id/name
function getFor(query: string): real {
return root.getMonitor(query)?.brightness ?? -1;
}
function set(value: string): string {
return setFor("active", value);
}
// Handles brightness value like brightnessctl: 0.1, +0.1, 0.1-, 10%, +10%, 10%-
function setFor(query: string, value: string): string {
const monitor = root.getMonitor(query);
if (!monitor)
return "Invalid monitor: " + query;
let targetBrightness;
if (value.endsWith("%-")) {
const percent = parseFloat(value.slice(0, -2));
targetBrightness = monitor.brightness - (percent / 100);
} else if (value.startsWith("+") && value.endsWith("%")) {
const percent = parseFloat(value.slice(1, -1));
targetBrightness = monitor.brightness + (percent / 100);
} else if (value.endsWith("%")) {
const percent = parseFloat(value.slice(0, -1));
targetBrightness = percent / 100;
} else if (value.startsWith("+")) {
const increment = parseFloat(value.slice(1));
targetBrightness = monitor.brightness + increment;
} else if (value.endsWith("-")) {
const decrement = parseFloat(value.slice(0, -1));
targetBrightness = monitor.brightness - decrement;
} else if (value.includes("%") || value.includes("-") || value.includes("+")) {
return `Invalid brightness format: ${value}\nExpected: 0.1, +0.1, 0.1-, 10%, +10%, 10%-`;
} else {
targetBrightness = parseFloat(value);
}
if (isNaN(targetBrightness))
return `Failed to parse value: ${value}\nExpected: 0.1, +0.1, 0.1-, 10%, +10%, 10%-`;
monitor.setBrightness(targetBrightness);
return `Set monitor ${monitor.modelData.name} brightness to ${+monitor.brightness.toFixed(2)}`;
}
}
component Monitor: QtObject {
id: monitor
required property ShellScreen modelData
readonly property bool isDdc: root.ddcMonitors.some(m => m.connector === modelData.name)
readonly property string busNum: root.ddcMonitors.find(m => m.connector === modelData.name)?.busNum ?? ""
readonly property bool isAppleDisplay: root.appleDisplayPresent && modelData.model.startsWith("StudioDisplay")
property real brightness
property real queuedBrightness: NaN
readonly property Process initProc: Process {
stdout: StdioCollector {
onStreamFinished: {
if (monitor.isAppleDisplay) {
const val = parseInt(text.trim());
monitor.brightness = val / 101;
} else {
const [, , , cur, max] = text.split(" ");
monitor.brightness = parseInt(cur) / parseInt(max);
}
}
}
}
readonly property Timer timer: Timer {
interval: 500
onTriggered: {
if (!isNaN(monitor.queuedBrightness)) {
monitor.setBrightness(monitor.queuedBrightness);
monitor.queuedBrightness = NaN;
}
}
}
function setBrightness(value: real): void {
value = Math.max(0, Math.min(1, value));
const rounded = Math.round(value * 100);
if (Math.round(brightness * 100) === rounded)
return;
if (isDdc && timer.running) {
queuedBrightness = value;
return;
}
brightness = value;
if (isAppleDisplay)
Quickshell.execDetached(["asdbctl", "set", rounded]);
else if (isDdc)
Quickshell.execDetached(["ddcutil", "-b", busNum, "setvcp", "10", rounded]);
else
Quickshell.execDetached(["brightnessctl", "s", `${rounded}%`]);
if (isDdc)
timer.restart();
}
function initBrightness(): void {
if (isAppleDisplay)
initProc.command = ["asdbctl", "get"];
else if (isDdc)
initProc.command = ["ddcutil", "-b", busNum, "getvcp", "10", "--brief"];
else
initProc.command = ["sh", "-c", "echo a b c $(brightnessctl g) $(brightnessctl m)"];
initProc.running = true;
}
onBusNumChanged: initBrightness()
Component.onCompleted: initBrightness()
}
}
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