swadhinbiswas Add Monitor Manager app (visual layout, drag arrange, rotate, scale) + SUPER+CTRL+M keybinding · 8/22/2026
9da17d3
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import QtQuick
import QtQuick.Controls
import QtQuick.Layouts
import Quickshell
import Quickshell.Io
ShellRoot {
id: root
property var monitors: []
property int selected: -1
function selMon() { return selected >= 0 ? monitors[selected] : null }
function applyMon(m) {
var t = m.transform || 0
var cmd = "hl.monitor({output=\"" + m.name + "\", mode=\"preferred\", position=\"" + m.x + "x" + m.y + "\", scale=" + m.scale + ", transform=" + t + "})"
applyProc.command = ["hyprctl", "eval", cmd]
applyProc.running = true
}
Process {
id: queryProc
running: true
command: ["bash", "-c", "hyprctl monitors -j | tr -d \"\\n\""]
stdout: SplitParser {
onRead: function(line) {
try {
var arr = JSON.parse(String(line).trim())
if (Array.isArray(arr)) root.monitors = arr
} catch(e) {}
}
}
}
Process {
id: applyProc
running: false
onRunningChanged: if (!running) queryProc.running = true
}
function mapBounds() {
var minX=0, minY=0, maxX=1, maxY=1
for (var i = 0; i < monitors.length; i++) {
var m = monitors[i]
var w = (m.transform % 2 === 1) ? m.height : m.width
var h = (m.transform % 2 === 1) ? m.width : m.height
if (m.x < minX) minX = m.x
if (m.y < minY) minY = m.y
if (m.x + w > maxX) maxX = m.x + w
if (m.y + h > maxY) maxY = m.y + h
}
return { minX: minX, minY: minY, w: Math.max(1, maxX - minX), h: Math.max(1, maxY - minY) }
}
Window {
id: win
title: "Monitor Manager"
visible: true
width: 780
height: 520
color: "#1a1b26"
ColumnLayout {
anchors.fill: parent
anchors.margins: 16
spacing: 12
Text { text: "Display Arrangement"; color: "#c0caf5"; font.pixelSize: 20; font.bold: true }
RowLayout {
Layout.fillWidth: true
Layout.fillHeight: true
spacing: 16
Rectangle {
Layout.fillWidth: true
Layout.fillHeight: true
color: "#16161e"
radius: 10
border.color: "#33467c"; border.width: 1
Repeater {
model: root.monitors
Rectangle {
required property var modelData
required property int index
property var b: root.mapBounds()
property bool landscape: (modelData.transform % 2) === 0
x: (modelData.x - b.minX) / b.w * (parent.width - 40) + 20
y: (modelData.y - b.minY) / b.h * (parent.height - 40) + 20
width: Math.max(60, (landscape ? modelData.width : modelData.height) / b.w * (parent.width - 60))
height: Math.max(45, (landscape ? modelData.height : modelData.width) / b.h * (parent.height - 60))
radius: 8
color: index === root.selected ? "#3d59a188" : "#24283b"
border.color: index === root.selected ? "#7aa2f7" : "#414868"
border.width: index === root.selected ? 2 : 1
Column {
anchors.centerIn: parent
spacing: 2
Text { anchors.horizontalCenter: parent.horizontalCenter; text: modelData.name; color: "#c0caf5"; font.bold: true; font.pixelSize: 13 }
Text { anchors.horizontalCenter: parent.horizontalCenter; text: modelData.width + "x" + modelData.height; color: "#9aa5ce"; font.pixelSize: 11 }
Text { anchors.horizontalCenter: parent.horizontalCenter; text: [ "0 deg","90 deg","180 deg","270 deg" ][modelData.transform % 4]; color: "#bb9af7"; font.pixelSize: 11 }
}
MouseArea {
anchors.fill: parent
onClicked: root.selected = index
drag.target: parent
drag.axis: Drag.XAndYAxis
onReleased: {
var b = root.mapBounds()
var nx = Math.round((parent.x - 20) / (parent.parent.width - 60) * b.w + b.minX)
var ny = Math.round((parent.y - 20) / (parent.parent.height - 60) * b.h + b.minY)
var m = JSON.parse(JSON.stringify(root.monitors[index]))
m.x = nx; m.y = ny
var arr = root.monitors.slice(); arr[index] = m
root.monitors = arr
root.applyMon(m)
}
}
}
}
Text { visible: root.monitors.length === 0; anchors.centerIn: parent; text: "No monitors detected"; color: "#565f89" }
}
Rectangle {
Layout.preferredWidth: 260
Layout.fillHeight: true
color: "#16161e"
radius: 10
border.color: "#33467c"; border.width: 1
ColumnLayout {
anchors.fill: parent
anchors.margins: 14
spacing: 10
Text { text: root.selMon() ? root.selMon().name : "Select a display"; color: "#7aa2f7"; font.bold: true; font.pixelSize: 15 }
GridLayout {
columns: 3
Layout.alignment: Qt.AlignHCenter
Repeater {
model: [
{ l: "\u2190", dx: -1920, dy: 0 }, { l: "\u2191", dx: 0, dy: -1080 }, { l: "\u2192", dx: 1920, dy: 0 },
{ l: "\u21bb", rot: true }, "", { l: "\u2193", dx: 0, dy: 1080 }
]
delegate: Button {
visible: modelData !== ""
text: modelData.l || ""
width: 56; height: 34
onClicked: {
var m = JSON.parse(JSON.stringify(root.monitors[root.selected]))
if (modelData.rot) m.transform = ((m.transform || 0) + 1) % 4
else { m.x += modelData.dx; m.y += modelData.dy }
var arr = root.monitors.slice(); arr[root.selected] = m
root.monitors = arr
root.applyMon(m)
}
}
}
}
Text { text: "Scale"; color: "#9aa5ce"; font.pixelSize: 12 }
ComboBox {
Layout.fillWidth: true
model: ["0.75", "1", "1.25", "1.5", "1.6", "2"]
onActivated: {
if (root.selected < 0) return
var m = JSON.parse(JSON.stringify(root.monitors[root.selected]))
m.scale = parseFloat(currentText)
var arr = root.monitors.slice(); arr[root.selected] = m
root.monitors = arr
root.applyMon(m)
}
}
Item { Layout.fillHeight: true }
Text {
visible: root.selMon() !== null
text: root.selMon() ? ("pos: " + root.selMon().x + " x " + root.selMon().y + "\nscale: " + root.selMon().scale) : ""
color: "#565f89"; font.pixelSize: 11
}
}
}
}
Text { text: "Drag displays to arrange \u00b7 click a display then use arrows to nudge \u00b7 \u21bb rotates 90 deg"; color: "#565f89"; font.pixelSize: 11 }
}
}
}