dotfiles/gnome/.local/share/gnome-shell/extensions/impatience@gfxmonk.net/prefs.js

import Gtk from 'gi://Gtk';

import { ExtensionPreferences } from 'resource:///org/gnome/Shell/Extensions/js/extensions/prefs.js';
import * as Settings from './settings.js';

export default class ImpatiencePrefs extends ExtensionPreferences {
	getPreferencesWidget() {
		let config = new Settings.Prefs(this);
		let frame = new Gtk.Box({
			orientation: Gtk.Orientation.VERTICAL,
			'margin-top': 20,
			'margin-bottom': 20,
			'margin-start': 20,
			'margin-end': 20
		});

		(function() {
			let hbox = new Gtk.Box({
				orientation: Gtk.Orientation.HORIZONTAL,
				spacing: 20
			});

			let label = new Gtk.Label({
				label: "Speed scaling\n<small>(1 = normal, 0.5 = twice as fast)</small>",
				use_markup: true,
			});
			let adjustment = new Gtk.Adjustment({
				lower: 0,
				upper: 2,
				step_increment: 0.05
			});
			let scale = new Gtk.Scale({
				orientation: Gtk.Orientation.HORIZONTAL,
				digits:2,
				adjustment: adjustment,
				hexpand: true,
				value_pos: Gtk.PositionType.RIGHT
			});

			hbox.append(label);
			hbox.append(scale);
			frame.append(hbox);

			var pref = config.SPEED;
			scale.set_value(pref.get());
			[0.25, 0.5, 1.0, 2.0].forEach(
				mark => scale.add_mark(mark, Gtk.PositionType.TOP, "<small>" + mark + "</small>")
			);
			scale.connect('value-changed', function(sw) {
				var oldval = pref.get();
				var newval = sw.get_value();
				if (newval != pref.get()) {
					pref.set(newval);
				}
			});
		})();

		frame.show();
		return frame;
	}
}