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feat: improve icon resolution and align switcher fallback styling (#1823)

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- Implement deep search icon resolution in DesktopService with runtime caching.
- Update Paths.getAppIcon to utilize enhanced resolution for mismatched app IDs.
- Align Workspace Switcher fallback icons with AppsDock visual style.
- Synchronize fallback text logic between Switcher and Dock using app names.
This commit is contained in:
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2026-02-24 15:40:15 +01:00
committed by bbedward
parent 74e4f8ea1e
commit 2b08e800e8
3 changed files with 155 additions and 44 deletions
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110
quickshell/Services/DesktopService.qml
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@@ -8,52 +8,86 @@ import Quickshell.Io
Singleton {
id: root
property var _cache: ({})
function resolveIconPath(moddedAppId) {
const entry = DesktopEntries.heuristicLookup(moddedAppId)
const appIds = [moddedAppId, moddedAppId.toLowerCase()];
if (!moddedAppId)
return "";
const lastPart = moddedAppId.split('.').pop();
if (lastPart && lastPart !== moddedAppId) {
appIds.push(lastPart);
if (_cache[moddedAppId] !== undefined)
return _cache[moddedAppId];
const firstChar = lastPart.charAt(0);
const rest = lastPart.slice(1);
let toggled;
const result = (function() {
// 1. Try heuristic lookup (standard)
const entry = DesktopEntries.heuristicLookup(moddedAppId);
let icon = Quickshell.iconPath(entry?.icon, true);
if (icon && icon !== "")
return icon;
if (firstChar === firstChar.toLowerCase()) {
toggled = firstChar.toUpperCase() + rest;
} else {
toggled = firstChar.toLowerCase() + rest;
}
// 2. Try the appId itself as an icon name
icon = Quickshell.iconPath(moddedAppId, true);
if (icon && icon !== "")
return icon;
if (toggled !== lastPart) {
appIds.push(toggled);
}
}
for (const appId of appIds){
let icon = Quickshell.iconPath(entry?.icon, true)
if (icon && icon !== "") return icon
// 3. Try variations of the appId (lowercase, last part)
const appIds = [moddedAppId.toLowerCase()];
const lastPart = moddedAppId.split('.').pop();
if (lastPart && lastPart !== moddedAppId) {
appIds.push(lastPart);
appIds.push(lastPart.toLowerCase());
}
let execPath = entry?.execString?.replace(/\/bin.*/, "")
if (!execPath) continue
for (const id of appIds) {
icon = Quickshell.iconPath(id, true);
if (icon && icon !== "")
return icon;
}
//Check that the app is installed with nix/guix
if (execPath.startsWith("/nix/store/") || execPath.startsWith("/gnu/store/")) {
const basePath = execPath
const sizes = ["256x256", "128x128", "64x64", "48x48", "32x32", "24x24", "16x16"]
// 4. Deep search in all desktop entries (if the above fail)
// This is slow-ish but only happens once for failed icons
const strippedId = moddedAppId.replace(/-bin$/, "").toLowerCase();
const allEntries = DesktopEntries.applications.values;
for (let i = 0; i < allEntries.length; i++) {
const e = allEntries[i];
const eId = (e.id || "").toLowerCase();
const eName = (e.name || "").toLowerCase();
const eExec = (e.execString || "").toLowerCase();
let iconPath = `${basePath}/share/icons/hicolor/scalable/apps/${appId}.svg`
icon = Quickshell.iconPath(iconPath, true)
if (icon && icon !== "") return icon
if (eId.includes(strippedId) || eName.includes(strippedId) || eExec.includes(strippedId)) {
icon = Quickshell.iconPath(e.icon, true);
if (icon && icon !== "")
return icon;
}
}
for (const size of sizes) {
iconPath = `${basePath}/share/icons/hicolor/${size}/apps/${appId}.png`
icon = Quickshell.iconPath(iconPath, true)
if (icon && icon !== "") return icon
}
}
// 5. Nix/Guix specific store check (as a last resort)
for (const appId of appIds) {
let execPath = entry?.execString?.replace(/\/bin.*/, "");
if (!execPath)
continue;
if (execPath.startsWith("/nix/store/") || execPath.startsWith("/gnu/store/")) {
const basePath = execPath;
const sizes = ["256x256", "128x128", "64x64", "48x48", "32x32", "24x24", "16x16"];
let iconPath = `${basePath}/share/icons/hicolor/scalable/apps/${appId}.svg`;
icon = Quickshell.iconPath(iconPath, true);
if (icon && icon !== "")
return icon;
for (const size of sizes) {
iconPath = `${basePath}/share/icons/hicolor/${size}/apps/${appId}.png`;
icon = Quickshell.iconPath(iconPath, true);
if (icon && icon !== "")
return icon;
}
}
}
})();
_cache[moddedAppId] = result;
return result;
}
return ""
}
}