nixos-configs/devices/wim/config/ags/js/applauncher/main.js

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import App from 'resource:///com/github/Aylur/ags/app.js';
import Applications from 'resource:///com/github/Aylur/ags/service/applications.js';
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// TODO: find cleaner way to import this
import { Fzf } from '../../node_modules/fzf/dist/fzf.es.js';
import { Box, Entry, Icon, Label, ListBox, Revealer, Scrollable } from 'resource:///com/github/Aylur/ags/widget.js';
import PopupWindow from '../misc/popup.js';
import AppItem from './app-item.js';
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/**
* @typedef {import('types/service/applications.js').Application} App
* @typedef {typeof imports.gi.Gtk.ListBoxRow} ListBoxRow
*/
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const Applauncher = ({ window_name = 'applauncher' } = {}) => {
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/** @type Array<any> */
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let fzfResults;
const list = ListBox();
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/** @param {String} text */
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const setSort = (text) => {
const fzf = new Fzf(Applications.list, {
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selector: /** @param {App} app */ (app) => app.name,
tiebreakers: [
/**
* @param {App} a
* @param {App} b
*/
(a, b) => b.frequency - a.frequency,
],
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});
fzfResults = fzf.find(text);
// @ts-expect-error
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list.set_sort_func(
/**
* @param {ListBoxRow} a
* @param {ListBoxRow} b
*/
(a, b) => {
const row1 = a.get_children()[0]?.attribute.app.name;
const row2 = b.get_children()[0]?.attribute.app.name;
if (!row1 || !row2) {
return 0;
}
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return fzfResults.indexOf(row1) -
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fzfResults.indexOf(row1) || 0;
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},
);
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};
const makeNewChildren = () => {
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/** @type Array<typeof imports.gi.Gtk.ListBoxRow> */
// @ts-expect-error
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const rows = list.get_children();
rows.forEach((ch) => {
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ch.destroy();
});
const children = Applications.query('')
.flatMap((app) => AppItem(app));
children.forEach((ch) => {
// @ts-expect-error
list.add(ch);
});
list.show_all();
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};
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makeNewChildren();
const placeholder = Revealer({
child: Label({
label: " Couldn't find a match",
class_name: 'placeholder',
}),
});
const entry = Entry({
// Set some text so on-change works the first time
text: '-',
hexpand: true,
on_accept: ({ text }) => {
const appList = Applications.query(text || '');
if (appList[0]) {
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App.closeWindow(window_name);
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appList[0].launch();
}
},
on_change: ({ text }) => {
if (text === null) {
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return;
}
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setSort(text);
let visibleApps = 0;
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/** @type Array<ListBoxRow> */
// @ts-expect-error
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const rows = list.get_children();
rows.forEach((row) => {
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row.changed();
const item = row.get_children()[0];
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if (item?.attribute.app) {
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const isMatching = fzfResults.find((r) => {
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return r.item.name === item.attribute.app.name;
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});
row.visible = isMatching;
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if (isMatching) {
++visibleApps;
}
}
});
placeholder.reveal_child = visibleApps <= 0;
},
});
return Box({
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class_name: 'applauncher',
vertical: true,
setup: (self) => {
self.hook(App, (_, name, visible) => {
if (name !== window_name) {
return;
}
entry.text = '';
if (visible) {
entry.grab_focus();
}
else {
makeNewChildren();
}
});
},
children: [
Box({
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class_name: 'header',
children: [
Icon('preferences-system-search-symbolic'),
entry,
],
}),
Scrollable({
hscroll: 'never',
vscroll: 'automatic',
child: Box({
vertical: true,
children: [list, placeholder],
}),
}),
],
});
};
export default () => PopupWindow({
name: 'applauncher',
focusable: true,
child: Applauncher(),
});