fix login?

Greeter/Helpers/Users.qml

@@ -0,0 +1,112 @@
+pragma Singleton
+
+import Quickshell
+import Quickshell.Io
+import QtQuick
+
+Singleton {
+	id: root
+
+	// The list of users that can log in graphically
+	// Each user object has: username, uid, home, shell, gecos (full name), face (avatar path)
+	property var users: []
+
+	// The currently selected user index
+	property int selectedIndex: 0
+
+	// The currently selected user object (or null if none)
+	readonly property var selectedUser: selectedIndex >= 0 && selectedIndex < users.length ? users[selectedIndex] : null
+
+	// Convenience property for the selected username
+	readonly property string selectedUsername: selectedUser ? selectedUser.username : ""
+
+	// Path to store the default user preference
+	readonly property string defaultUserFile: "/etc/zshell-greeter/default-user"
+
+	// Select a user by username
+	function selectUser(username: string): bool {
+		for (let i = 0; i < users.length; i++) {
+			if (users[i].username === username) {
+				selectedIndex = i;
+				return true;
+			}
+		}
+		return false;
+	}
+
+	// Select the next user in the list (wraps around)
+	function selectNext(): void {
+		if (users.length === 0)
+			return;
+		selectedIndex = (selectedIndex + 1) % users.length;
+	}
+
+	// Select the previous user in the list (wraps around)
+	function selectPrevious(): void {
+		if (users.length === 0)
+			return;
+		selectedIndex = (selectedIndex - 1 + users.length) % users.length;
+	}
+
+	// Save the current user as the default for next login
+	function saveDefaultUser(): void {
+		if (selectedUser) {
+			defaultUserStorage.setText(selectedUser.username);
+		}
+	}
+
+	// Process to fetch the list of graphical users
+	Process {
+		id: userLister
+
+		command: ["python3", Quickshell.shellDir + "/scripts/get-users"]
+		running: true
+
+		stdout: StdioCollector {
+			onStreamFinished: {
+				try {
+					root.users = JSON.parse(text);
+
+					// If we have users and no selection yet, try to select the default user
+					if (root.users.length > 0) {
+						// Try to load the default user
+						if (defaultUserStorage.loaded) {
+							const defaultUsername = defaultUserStorage.text().trim();
+							if (defaultUsername && !root.selectUser(defaultUsername)) {
+								// Default user not found, select first user
+								root.selectedIndex = 0;
+							}
+						} else {
+							root.selectedIndex = 0;
+						}
+					}
+				} catch (e) {
+					console.error("Failed to parse users:", e);
+				}
+			}
+		}
+	}
+
+	// FileView for persisting the default user
+	FileView {
+		id: defaultUserStorage
+
+		path: root.defaultUserFile
+		preload: true
+
+		onLoaded: {
+			// If users are already loaded, try to select the default user
+			if (root.users.length > 0) {
+				const defaultUsername = text().trim();
+				if (defaultUsername) {
+					root.selectUser(defaultUsername);
+				}
+			}
+		}
+
+		onLoadFailed: {
+			// File doesn't exist yet, that's fine - we'll create it on first save
+			console.log("No default user file found, will use first user");
+		}
+	}
+}