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// Copyright (C) 2026 Danilo M. <danix@danix.xyz>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
import QtQuick
import QtQuick.Controls as C
import "../.."
import "../appearance" as A
import "Mon.js" as M
// The keep-or-revert bar while an Apply is live, the layout drawn to scale
// (drag a monitor to move it; it snaps to the other's edges), and one card
// per monitor: mode, scale, rotation, VRR, position.
Column {
id: page
required property QtObject mod
spacing: 14
// Leaving the page with an Apply unanswered is a Revert.
Component.onDestruction: if (page.mod.pending) page.mod.revert()
// The stock ComboBox paints from the palette, light by default; these
// are the desktop's colours, as in qtmaildir's TagsKeysPage.
component Combo: C.ComboBox {
font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 3 }
palette {
base: Theme.surface; window: Theme.base; button: Theme.surface
text: Theme.text; buttonText: Theme.text; windowText: Theme.text
highlight: Theme.accent; highlightedText: Theme.base
mid: Qt.alpha(Theme.text, 0.2); dark: Qt.alpha(Theme.text, 0.2); light: Theme.surface
}
}
component Label: Text {
width: 90
anchors.verticalCenter: parent.verticalCenter
font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 3 }
color: Theme.subtext
}
Rectangle {
visible: page.mod.pending
width: parent.width
height: 44
radius: 10
color: Qt.alpha(Theme.yellow, 0.18)
border.width: 1
border.color: Qt.alpha(Theme.yellow, 0.5)
Text {
anchors { left: parent.left; leftMargin: 14; verticalCenter: parent.verticalCenter }
text: "Keep these settings? Reverting in " + page.mod.countdown + "s"
font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 2 }
color: Theme.text
}
Row {
anchors { right: parent.right; rightMargin: 10; verticalCenter: parent.verticalCenter }
spacing: 8
Button { text: "Revert"; onClicked: page.mod.revert() }
Button { text: "Keep"; onClicked: page.mod.keep() }
}
}
// ---- layout ----
Rectangle {
id: canvas
width: parent.width
height: 260
radius: 10
color: Theme.surface
// Logical rectangles, and the fit of their bounds into the canvas.
readonly property var rects: page.mod.draft.map(d => {
const p = M.xy(d), s = M.size(d.mode, d.scale, d.transform);
return { x: p.x, y: p.y, w: s.w, h: s.h };
})
readonly property real minX: Math.min.apply(null, rects.map(r => r.x).concat([0]))
readonly property real minY: Math.min.apply(null, rects.map(r => r.y).concat([0]))
readonly property real maxX: Math.max.apply(null, rects.map(r => r.x + r.w).concat([1]))
readonly property real maxY: Math.max.apply(null, rects.map(r => r.y + r.h).concat([1]))
readonly property real k: Math.min((width - 40) / (maxX - minX), (height - 40) / (maxY - minY))
readonly property real ox: (width - (maxX - minX) * k) / 2
readonly property real oy: (height - (maxY - minY) * k) / 2
Repeater {
model: page.mod.draft.length
Rectangle {
id: mon
required property int index
readonly property var r: canvas.rects[index] ?? { x: 0, y: 0, w: 1, h: 1 }
readonly property var d: page.mod.draft[index]
// The drag offset in canvas pixels, zero when not dragging.
property real dx: 0
property real dy: 0
x: canvas.ox + (r.x - canvas.minX) * canvas.k + dx
y: canvas.oy + (r.y - canvas.minY) * canvas.k + dy
width: r.w * canvas.k
height: r.h * canvas.k
radius: 6
color: Qt.alpha(Theme.accent, drag.pressed ? 0.35 : 0.18)
border.width: 1
border.color: Qt.alpha(Theme.accent, 0.7)
Column {
anchors.centerIn: parent
Text {
anchors.horizontalCenter: parent.horizontalCenter
text: mon.d ? mon.d.name : ""
font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 1; bold: true }
color: Theme.text
}
Text {
anchors.horizontalCenter: parent.horizontalCenter
text: mon.d ? mon.d.model : ""
font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 5 }
color: Theme.subtext
}
}
MouseArea {
id: drag
anchors.fill: parent
enabled: !page.mod.pending
// The page's ScrollView would take a vertical drag.
preventStealing: true
cursorShape: pressed ? Qt.ClosedHandCursor : Qt.OpenHandCursor
property point start
onPressed: m => start = mapToItem(canvas, m.x, m.y)
onPositionChanged: m => {
const p = mapToItem(canvas, m.x, m.y);
mon.dx = p.x - start.x;
mon.dy = p.y - start.y;
}
onCanceled: { mon.dx = 0; mon.dy = 0; }
onReleased: {
// A click is not a move: it would snap, and make an auto position exact.
if (Math.hypot(mon.dx, mon.dy) < 4) { mon.dx = 0; mon.dy = 0; return; }
const moved = { x: mon.r.x + mon.dx / canvas.k, y: mon.r.y + mon.dy / canvas.k, w: mon.r.w, h: mon.r.h };
const others = canvas.rects.filter((o, i) => i !== mon.index);
const s = M.snap(moved, others, 64);
mon.dx = 0;
mon.dy = 0;
if (s.x !== mon.r.x || s.y !== mon.r.y) page.mod.set(mon.index, "position", s.x + "x" + s.y);
}
}
}
}
}
// ---- cards ----
// Keyed on orig, a new array on every read, so Discard and a reload
// rebuild the cards and their controls rebind to the draft: Toggle and
// ComboBox set their own checked and currentIndex on a click.
Repeater {
model: page.mod.orig
Rectangle {
id: card
required property int index
readonly property var d: page.mod.draft[index]
readonly property bool auto: !!d && M.AUTO.includes(d.position)
objectName: d ? "mon:" + d.name : ""
width: page.width
height: rows.implicitHeight + 28
radius: 10
color: Theme.surface
visible: !!d
Column {
id: rows
anchors { fill: parent; margins: 14 }
// Keep writes the draft, so it may not change from what was tried.
enabled: !page.mod.pending
spacing: 8
Text {
text: card.d ? card.d.name + " " + card.d.make + " " + card.d.model : ""
font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 1; bold: true }
color: Theme.text
}
Row {
spacing: 8
Label { text: "Mode" }
Combo {
width: 220
// From orig, which set() leaves alone: a new model on every edit
// could reset the shown index.
model: page.mod.orig[card.index] ? page.mod.orig[card.index].modes.map(m => m.replace("@", " @ ") + " Hz") : []
currentIndex: card.d ? card.d.modes.indexOf(card.d.mode) : -1
onActivated: i => page.mod.set(card.index, "mode", card.d.modes[i])
}
}
Row {
spacing: 8
Label { text: "Scale" }
// Read on every change: a click on Apply does not end editing.
A.Field {
value: card.d ? card.d.scale : ""
onValueChanged: if (card.d && value !== card.d.scale) page.mod.set(card.index, "scale", value)
}
}
Row {
spacing: 8
Label { text: "Rotation" }
Repeater {
model: [0, 90, 180, 270]
A.Tab {
required property int modelData
required property int index
text: modelData + "°"
selected: !!card.d && card.d.transform % 4 === index
onClicked: page.mod.set(card.index, "transform", (card.d.transform >= 4 ? 4 : 0) + index)
}
}
A.Toggle {
anchors.verticalCenter: parent.verticalCenter
label: "Flipped"
checked: !!card.d && card.d.transform >= 4
onToggled: page.mod.set(card.index, "transform", card.d.transform % 4 + (checked ? 4 : 0))
}
}
Row {
spacing: 8
Label { text: "VRR" }
A.Toggle {
anchors.verticalCenter: parent.verticalCenter
label: "Adaptive sync"
checked: !!card.d && card.d.vrr
onToggled: page.mod.set(card.index, "vrr", checked)
}
}
Row {
spacing: 8
Label { text: "Position" }
Combo {
width: 220
model: ["exact"].concat(M.AUTO)
currentIndex: card.auto ? M.AUTO.indexOf(card.d.position) + 1 : 0
// Rebound after a pick, so a later drag to an exact
// position shows here.
onActivated: i => {
page.mod.set(card.index, "position", i === 0 ? card.d.x + "x" + card.d.y : M.AUTO[i - 1]);
currentIndex = Qt.binding(() => card.auto ? M.AUTO.indexOf(card.d.position) + 1 : 0);
}
}
Text {
anchors.verticalCenter: parent.verticalCenter
visible: !card.auto
text: card.d ? card.d.position.replace("x", ", ") + " drag in the layout to move" : ""
font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 4 }
color: Theme.subtext
}
}
}
}
}
Text {
width: parent.width
wrapMode: Text.Wrap
text: "Apply tries the settings live. Keep writes sections/monitors.lua; Revert, leaving the page, "
+ "or 15 seconds with no answer restores it. Only connected monitors are written."
font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 4 }
color: Theme.subtext
}
}
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