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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 Quickshell.Io
import QtQuick
// The wallpaper side. Setting one is `wallp`'s job: it knows about the two
// outputs, the saved state and the accent run, and none of that is worth
// reimplementing here.
Singleton {
id: root
readonly property string home: Quickshell.env("HOME")
readonly property string dir: `${home}/Pictures/wallpapers`
// Which screen a pick applies to. wallp calls them H and V.
property string target: "H"
// Staged picks, empty until something is chosen. Selecting does not set
// anything: both screens can be composed and applied together, which is
// also a single wallp call rather than two.
property string pendingH: ""
property string pendingV: ""
readonly property bool dirty: pendingH !== "" || pendingV !== ""
function pick(path) {
if (target === "V") pendingV = path;
else pendingH = path;
}
function clearPending() { pendingH = ""; pendingV = ""; }
// What a screen should show: the staged pick if there is one, else what
// is actually set.
function shown(which) {
if (which === "V") return pendingV !== "" ? pendingV : currentV;
return pendingH !== "" ? pendingH : currentH;
}
property list<string> files: []
property bool scanning: true
property bool applying: false
signal applied(bool ok, string message)
// Sorted by most recent first: the wallpaper wanted now is usually one
// added recently. -maxdepth keeps a stray git checkout from being walked.
function refresh() {
scanning = true;
scanProc.running = false;
scanProc.running = true;
}
Process {
id: scanProc
running: true
command: ["sh", "-c",
`find ${JSON.stringify(root.dir)} -maxdepth 2 -type f ` +
`\\( -iname '*.png' -o -iname '*.jpg' -o -iname '*.jpeg' -o -iname '*.webp' \\) ` +
`-not -path '*/.*' -printf '%T@ %p\\n' 2>/dev/null | sort -rn | cut -d' ' -f2-`]
stdout: StdioCollector {
onStreamFinished: {
root.files = text.trim().split("\n").filter(s => s.length);
root.scanning = false;
}
}
}
function basename(path) { return path.slice(path.lastIndexOf("/") + 1); }
// What is on each screen now. wallp writes these on every set, so
// watching them keeps the mock honest even when set from a terminal.
property string currentH: ""
property string currentV: ""
FileView {
path: `${root.home}/.config/wallp/wall_h`
watchChanges: true
onFileChanged: reload()
onLoaded: root.currentH = text().trim()
}
FileView {
path: `${root.home}/.config/wallp/wall_v`
watchChanges: true
onFileChanged: reload()
onLoaded: root.currentV = text().trim()
}
// wallp does the work, including running udt-accent, so the accent follows
// the new wallpaper exactly as it does from the command line. Both screens
// go in one call: wallp accepts H= and V= together.
function apply() {
if (applying || !dirty) return;
applying = true;
const args = [];
if (pendingH !== "") args.push(`H=${JSON.stringify(pendingH)}`);
if (pendingV !== "") args.push(`V=${JSON.stringify(pendingV)}`);
applyProc.command = ["sh", "-c", `wallp --set ${args.join(" ")} >/dev/null 2>&1`];
applyProc.running = true;
}
Process {
id: applyProc
stderr: StdioCollector { id: applyErr }
onExited: code => {
root.applying = false;
if (code === 0) root.clearPending();
root.applied(code === 0, code === 0 ? "" : (applyErr.text.trim() || `wallp exited ${code}`));
}
}
}
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