Quickshell lockscreen

modules/hyprland/lockscreen/AuthContext.qml

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+import QtQuick
+import Quickshell
+import Quickshell.Io
+
+QtObject {
+	property int status: AuthContext.Status.FirstEntry
+	signal success();
+
+	enum Status {
+		FirstEntry,
+		Authenticating,
+		LoginFailed
+	}
+
+	property string password
+
+	property var pamtester: Process {
+		property bool failed: true
+
+		command: ["pamtester", "login", Quickshell.env("USER"), "authenticate"]
+
+		onStarted: this.write(`${password}\n`)
+
+		stdout: SplitParser {
+			// fails go to stderr
+			onRead: pamtester.failed = false
+		}
+
+		onExited: {
+			if (failed) {
+				status = AuthContext.Status.LoginFailed
+			} else {
+				success();
+			}
+		}
+	}
+
+	function tryLogin(password: string) {
+		this.password = password
+		status = AuthContext.Status.Authenticating;
+		pamtester.running = true;
+	}
+}

modules/hyprland/lockscreen/Lockscreen.qml

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+import QtQuick
+import QtQuick.Controls.Universal
+
+Item {
+	required property AuthContext context
+
+	Item {
+		anchors.centerIn: parent
+		scale: 2
+
+		TextField {
+			id: entryBox
+			anchors.centerIn: parent
+			width: 300
+
+			enabled: context.status != AuthContext.Status.Authenticating
+			focus: true
+			horizontalAlignment: TextInput.AlignHCenter
+			echoMode: TextInput.Password
+			inputMethodHints: Qt.ImhSensitiveData
+			placeholderText: "Enter password"
+
+			onAccepted: {
+				if (text != "") context.tryLogin(text)
+			}
+
+			onEnabledChanged: {
+				if (enabled) text = ""
+			}
+		}
+
+		Text {
+			id: status
+			color: "white"
+
+			anchors {
+				horizontalCenter: entryBox.horizontalCenter
+				top: entryBox.bottom
+				topMargin: 20
+			}
+
+			text: {
+				switch (context.status) {
+				case AuthContext.Status.FirstEntry: return ""
+				case AuthContext.Status.Authenticating: return "Authenticating"
+				case AuthContext.Status.LoginFailed: return "Login Failed"
+				}
+			}
+		}
+	}
+}

modules/hyprland/lockscreen/shell.qml

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+import QtQuick
+import QtQuick.Controls
+import Quickshell
+import Quickshell.Wayland
+
+ShellRoot {
+	AuthContext {
+		id: authContext
+		onSuccess: {
+			lock.locked = false;
+			Qt.quit()
+		}
+	}
+
+	SessionLock {
+		id: lock
+		locked: true
+
+		SessionLockSurface {
+			Image {
+				anchors.fill: parent
+				source: screen.name == "DP-1" ? "../5120x1440.png" : "../1920x1080.png"
+			}
+
+			Lockscreen {
+				anchors.fill: parent
+				context: authContext
+			}
+		}
+	}
+
+}

modules/hyprland/lockscreen/test.qml

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+import QtQuick
+import Quickshell
+
+ShellRoot {
+	AuthContext {
+		id: authContext
+		onSuccess: Qt.quit()
+	}
+
+	FloatingWindow {
+		Image {
+			anchors.fill: parent
+			source: "../1920x1080.png"
+		}
+
+		Lockscreen {
+			anchors.fill: parent
+			context: authContext
+		}
+	}
+}