plugin: add sleep notifier

Lock before sleep

README.md

@@ -280,6 +280,7 @@ default, you must create it manually.
             "criticalLevel": 3
         },
         "idle": {
+            "lockBeforeSleep": true,
             "inhibitWhenAudio": true,
             "timeouts": [
                 {

config/GeneralConfig.qml

@@ -13,6 +13,7 @@ JsonObject {
     }
 
     component Idle: JsonObject {
+        property bool lockBeforeSleep: true
         property bool inhibitWhenAudio: true
         property list<var> timeouts: [
             {

modules/IdleMonitors.qml

@@ -3,6 +3,7 @@ pragma ComponentBehavior: Bound
 import "lock"
 import qs.config
 import qs.services
+import Caelestia.Internal
 import Quickshell
 import Quickshell.Wayland
 
@@ -17,15 +18,22 @@ Scope {
             return;
 
         if (action === "lock")
-            root.lock.lock.locked = true;
+            lock.lock.locked = true;
         else if (action === "unlock")
-            root.lock.lock.locked = false;
+            lock.lock.locked = false;
         else if (typeof action === "string")
             Hypr.dispatch(action);
         else
             Quickshell.execDetached(action);
     }
 
+    SleepNotifier {
+        onAboutToSleep: {
+            if (Config.general.idle.lockBeforeSleep)
+                root.lock.lock.locked = true;
+        }
+    }
+
     Variants {
         model: Config.general.idle.timeouts
 

plugin/src/Caelestia/CMakeLists.txt

@@ -1,4 +1,4 @@
-find_package(Qt6 REQUIRED COMPONENTS Core Qml Gui Quick Concurrent Sql Network)
+find_package(Qt6 REQUIRED COMPONENTS Core Qml Gui Quick Concurrent Sql Network DBus)
 find_package(PkgConfig REQUIRED)
 pkg_check_modules(Qalculate IMPORTED_TARGET libqalculate REQUIRED)
 pkg_check_modules(Pipewire IMPORTED_TARGET libpipewire-0.3 REQUIRED)

plugin/src/Caelestia/Internal/CMakeLists.txt

@@ -5,9 +5,11 @@ qml_module(caelestia-internal
         circularindicatormanager.hpp circularindicatormanager.cpp
         hyprdevices.hpp hyprdevices.cpp
         hyprextras.hpp hyprextras.cpp
+        sleepnotifier.hpp sleepnotifier.cpp
     LIBRARIES
         Qt::Gui
         Qt::Quick
         Qt::Concurrent
         Qt::Network
+        Qt::DBus
 )

plugin/src/Caelestia/Internal/sleepnotifier.cpp

@@ -0,0 +1,32 @@
+#include "sleepnotifier.hpp"
+
+#include <QtDBus/qdbusconnection.h>
+#include <QtDBus/qdbuserror.h>
+
+namespace caelestia::internal {
+
+SleepNotifier::SleepNotifier(QObject* parent)
+    : QObject(parent) {
+    auto bus = QDBusConnection::systemBus();
+    if (!bus.isConnected()) {
+        qWarning() << "SleepNotifier::SleepNotifier: failed to connect to system bus:" << bus.lastError().message();
+        return;
+    }
+
+    const bool ok = bus.connect("org.freedesktop.login1", "/org/freedesktop/login1", "org.freedesktop.login1.Manager",
+        "PrepareForSleep", this, SLOT(handlePrepareForSleep(bool)));
+
+    if (!ok) {
+        qWarning() << "SleepNotifier::SleepNotifier: failed to connect to dbus:" << bus.lastError().message();
+    }
+}
+
+void SleepNotifier::handlePrepareForSleep(bool sleep) {
+    if (sleep) {
+        emit aboutToSleep();
+    } else {
+        emit resumed();
+    }
+}
+
+} // namespace caelestia::internal

plugin/src/Caelestia/Internal/sleepnotifier.hpp

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <qobject.h>
+#include <qqmlintegration.h>
+
+namespace caelestia::internal {
+
+class SleepNotifier : public QObject {
+    Q_OBJECT
+    QML_ELEMENT
+
+public:
+    explicit SleepNotifier(QObject* parent = nullptr);
+
+signals:
+    void aboutToSleep();
+    void resumed();
+
+private slots:
+    void handlePrepareForSleep(bool sleep);
+};
+
+} // namespace caelestia::internal