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pragma Singleton
pragma ComponentBehavior: Bound
import qs.widgets
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 increaseBrightness(): void {
const focusedName = Hyprland.focusedMonitor.name;
const monitor = monitors.find(m => focusedName === m.modelData.name);
if (monitor)
monitor.setBrightness(monitor.brightness + 0.1);
}
function decreaseBrightness(): void {
const focusedName = Hyprland.focusedMonitor.name;
const monitor = monitors.find(m => focusedName === m.modelData.name);
if (monitor)
monitor.setBrightness(monitor.brightness - 0.1);
}
reloadableId: "brightness"
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 => ({
model: d.match(/Monitor:.*:(.*):.*/)[1],
busNum: d.match(/I2C bus:[ ]*\/dev\/i2c-([0-9]+)/)[1]
}))
}
}
CustomShortcut {
name: "brightnessUp"
description: "Increase brightness"
onPressed: root.increaseBrightness()
}
CustomShortcut {
name: "brightnessDown"
description: "Decrease brightness"
onPressed: root.decreaseBrightness()
}
component Monitor: QtObject {
id: monitor
required property ShellScreen modelData
readonly property bool isDdc: root.ddcMonitors.some(m => m.model === modelData.model)
readonly property string busNum: root.ddcMonitors.find(m => m.model === modelData.model)?.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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