feat(ags): update to official agsV2

nixosModules/ags/config/widgets/greeter/main.tsx

@@ -0,0 +1,118 @@
+import { idle, readFile } from 'astal';
+import { Astal, Gtk, Widget } from 'astal/gtk3';
+
+import AstalGreet from 'gi://AstalGreet';
+
+
+const DEFAULT_NAME = 'matt';
+const PARSED_INDEX = {
+    name: 0,
+    uid: 2,
+    gid: 3,
+    desc: 4,
+    home: 5,
+    shell: 6,
+};
+
+const parsePasswd = (fileContent: string) => {
+    const splitUsers = fileContent.split('\n');
+    const parsedUsers = splitUsers.map((u) => {
+        const user = u.split(':');
+
+        return {
+            name: user[PARSED_INDEX.name],
+            uid: Number(user[PARSED_INDEX.uid]),
+            gid: Number(user[PARSED_INDEX.gid]),
+            desc: user[PARSED_INDEX.desc],
+            home: user[PARSED_INDEX.home],
+            shell: user[PARSED_INDEX.shell],
+        };
+    });
+
+    // Filter out system users, nixbld users and nobody
+    return parsedUsers.filter((u) => {
+        return u.uid >= 1000 &&
+            !u.name.includes('nixbld') &&
+            u.name !== 'nobody';
+    });
+};
+
+const users = parsePasswd(readFile('/etc/passwd'));
+
+const dropdown = new Gtk.ComboBoxText();
+
+dropdown.show_all();
+
+users.forEach((u) => {
+    dropdown.append(null, u.name);
+});
+
+const response = <label /> as Widget.Label;
+
+const password = (
+    <entry
+        placeholderText="Password"
+        visibility={false}
+
+        setup={(self) => idle(() => {
+            self.grab_focus();
+        })}
+
+        onActivate={(self) => {
+            AstalGreet.login(
+                dropdown.get_active_text() ?? '',
+                self.text || '',
+                'Hyprland',
+                (_, res) => {
+                    try {
+                        AstalGreet.login_finish(res);
+                    }
+                    catch (error) {
+                        response.label = JSON.stringify(error);
+                    }
+                },
+            );
+        }}
+    />
+);
+
+
+export default () => (
+    <window
+        name="greeter"
+        keymode={Astal.Keymode.ON_DEMAND}
+    >
+        <box
+            vertical
+            halign={Gtk.Align.CENTER}
+            valign={Gtk.Align.CENTER}
+            hexpand
+            vexpand
+            className="base"
+        >
+            <box
+                vertical
+                halign={Gtk.Align.CENTER}
+                valign={Gtk.Align.CENTER}
+                hexpand
+                vexpand
+                className="linked"
+
+                setup={() => {
+                    idle(() => {
+                        const usernames = users.map((u) => u.name);
+
+                        if (usernames.includes(DEFAULT_NAME)) {
+                            dropdown.set_active(usernames.indexOf(DEFAULT_NAME));
+                        }
+                    });
+                }}
+            >
+                {dropdown}
+                {password}
+            </box>
+
+            {response}
+        </box>
+    </window>
+);