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pragma Singleton
import "../utils/fuzzysort.js" as Fuzzy
import "../utils/levendist.js" as Levendist
import Quickshell
import Quickshell.Io
import qs.config
/**
* - Eases fuzzy searching for applications by name
* - Guesses icon name for window class name
*/
Singleton {
id: root
property bool sloppySearch: General.sloppySearch ?? false
property real scoreThreshold: 0.2
property var substitutions: ({
"code-url-handler": "visual-studio-code",
"Code": "visual-studio-code",
"gnome-tweaks": "org.gnome.tweaks",
"pavucontrol-qt": "pavucontrol",
"wps": "wps-office2019-kprometheus",
"wpsoffice": "wps-office2019-kprometheus",
"footclient": "foot",
"zen": "zen-browser",
"brave-browser": "brave-desktop"
})
property var regexSubstitutions: [
{
regex: /^steam_app_(\d+)$/,
replace: "steam_icon_$1"
},
{
regex: /Minecraft.*/,
replace: "minecraft"
},
{
regex: /.*polkit.*/,
replace: "system-lock-screen"
},
{
regex: /gcr.prompter/,
replace: "system-lock-screen"
}
]
property var fuzzyQueryCache: ({})
property var iconExistsCache: ({})
property var guessIconCache: ({})
readonly property list<DesktopEntry> list: Array.from(DesktopEntries.applications.values).sort((a, b) => a.name.localeCompare(b.name))
readonly property var preppedNames: list.map(a => ({
name: Fuzzy.prepare(`${a.name} `),
entry: a
}))
/**
* Returns an Array<DesktopEntry> for a given search.
* Results are cached by exact search string.
*/
function fuzzyQuery(search) {
if (root.fuzzyQueryCache[search]) {
return root.fuzzyQueryCache[search];
}
let results;
if (root.sloppySearch) {
results = list.map(obj => ({
entry: obj,
score: Levendist.computeScore(obj.name.toLowerCase(), search.toLowerCase())
})).filter(item => item.score > root.scoreThreshold).sort((a, b) => b.score - a.score).map(item => item.entry);
} else {
results = Fuzzy.go(search, preppedNames, {
all: true,
key: "name"
}).map(r => r.obj.entry);
}
root.fuzzyQueryCache[search] = results;
return results;
}
/**
* Caches whether an icon actually exists on disk.
*/
function iconExists(iconName) {
if (!iconName || iconName.length === 0) {
return false;
}
if (root.iconExistsCache.hasOwnProperty(iconName)) {
return root.iconExistsCache[iconName];
}
const exists = Quickshell.iconPath(iconName, true).length > 0 && !iconName.includes("image-missing");
root.iconExistsCache[iconName] = exists;
return exists;
}
/**
* Heavy logic to guess an icon name. We memoize results by the
* exact input string.
*/
function guessIcon(str) {
if (!str || str.length === 0) {
return "image-missing";
}
if (root.guessIconCache[str]) {
return root.guessIconCache[str];
}
let result;
// 1) direct substitution table
if (substitutions[str]) {
result = substitutions[str];
} else
// 2) regex rules
{
result = null;
for (let i = 0; i < regexSubstitutions.length; i++) {
const {
regex,
replace
} = regexSubstitutions[i];
const replaced = str.replace(regex, replace);
if (replaced !== str) {
result = replaced;
break;
}
}
}
// 3) if still not found, see if the original exists
if (!result) {
if (root.iconExists(str)) {
result = str;
}
}
// 4) try domain-reverse name
if (!result) {
let guessStr = str.split(".").slice(-1)[0].toLowerCase();
if (root.iconExists(guessStr)) {
result = guessStr;
}
}
// 5) kebab-case
if (!result) {
let guessStr = str.toLowerCase().replace(/\s+/g, "-");
if (root.iconExists(guessStr)) {
result = guessStr;
}
}
// 6) fallback to first fuzzy match’s icon
if (!result) {
const matches = root.fuzzyQuery(str);
if (matches.length > 0) {
const candidate = matches[0].icon;
if (root.iconExists(candidate)) {
result = candidate;
}
}
}
// 7) give up
if (!result) {
result = str;
}
root.guessIconCache[str] = result;
return result;
}
}
|
