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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.
pragma Singleton
import Quickshell
import QtQuick
import "../.."
import "TransitionPick.js" as TransitionPick
// Which transition covers a wallpaper change. The page edits the draft, Apply
// saves it, and each run asks next() once, so both screens play the same one.
// See the spec, docs/superpowers/specs/2026-11-06-wallpaper-transitions-design.md.
Singleton {
id: root
readonly property var all: [
{ name: "burn", label: "Burn" },
{ name: "ink", label: "Ink" },
{ name: "shatter", label: "Shatter" },
{ name: "ripple", label: "Ripple" },
{ name: "melt", label: "Melt" },
{ name: "blinds", label: "Blinds" },
{ name: "crosswarp", label: "Cross-warp" },
]
readonly property var names: all.map(t => t.name)
readonly property int duration: 3500
readonly property var saved: TransitionPick.clean(Prefs.wallTransition, names)
property string draftPick: saved.pick
property var draftPool: saved.pool
onSavedChanged: reset()
readonly property bool dirty: draftPick !== saved.pick
|| JSON.stringify(draftPool) !== JSON.stringify(saved.pool)
readonly property bool valid: draftPick !== "random" || draftPool.length > 0
function toggle(name) {
const on = draftPool.indexOf(name) >= 0;
draftPool = names.filter(n => n === name ? !on : draftPool.indexOf(n) >= 0);
}
function reset() {
draftPick = saved.pick;
draftPool = saved.pool;
}
function apply() {
if (valid) Prefs.setWallTransition({ pick: draftPick, pool: draftPool });
}
property string last: ""
function next() {
last = TransitionPick.choose(saved.pick, saved.pool, last);
return last;
}
}
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