psi idle work

diff --git a/src/tools/idle/idle_x11.cpp b/src/tools/idle/idle_x11.cpp
index d50cc3d4..1874629c 100644
--- a/src/tools/idle/idle_x11.cpp
+++ b/src/tools/idle/idle_x11.cpp
@@ -21,10 +21,13 @@

 #ifdef HAVE_XSS
 #include <QApplication>
-#include <QDesktopWidget>
+#include "x11windowsystem.h"
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
 #include <QX11Info>
+#else
+#include <QGuiApplication>
+#endif
 #include <X11/Xlib.h>
-#include <X11/Xutil.h>
 #include <X11/extensions/scrnsaver.h>

 static XErrorHandler old_handler = 0;
@@ -107,7 +110,7 @@ bool IdlePlatform::init()
     }
 #endif // USE_DBUS
 #ifdef HAVE_XSS
-    if (!QX11Info::isPlatformX11())
+    if (!X11WindowSystem::instance()->isValid())
         return false;

     if (d->ss_info)
@@ -116,7 +119,13 @@ bool IdlePlatform::init()
     old_handler = XSetErrorHandler(xerrhandler);

     int event_base, error_base;
-    if (XScreenSaverQueryExtension(QX11Info::display(), &event_base, &error_base)) {
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+    auto display = QX11Info::display();
+#else
+    auto x11app = qApp->nativeInterface<QNativeInterface::QX11Application>();
+    auto display = x11app->display();
+#endif
+    if (XScreenSaverQueryExtension(display, &event_base, &error_base)) {
         d->ss_info = XScreenSaverAllocInfo();
         return true;
     }
@@ -146,7 +155,13 @@ int IdlePlatform::secondsIdle()
     if (!d->ss_info)
         return 0;

-    if (!XScreenSaverQueryInfo(QX11Info::display(), QX11Info::appRootWindow(), d->ss_info))
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+    auto display = QX11Info::display();
+#else
+    auto x11app = qApp->nativeInterface<QNativeInterface::QX11Application>();
+    auto display = x11app->display();
+#endif
+    if (!XScreenSaverQueryInfo(display, X11WindowSystem::instance()->getDesktopRootWindow(), d->ss_info))
         return 0;
     return d->ss_info->idle / 1000;
 #endif // HAVE_XSS
diff --git a/src/x11windowsystem.cpp b/src/x11windowsystem.cpp
index 1efc80c6..868cc0a8 100644
--- a/src/x11windowsystem.cpp
+++ b/src/x11windowsystem.cpp
@@ -377,3 +377,5 @@ bool X11WindowSystem::windowHasAnyOfStates(Window win, const QSet<Atom> &filtere
     }
     return false;
 }
+
+ulong X11WindowSystem::getDesktopRootWindow(){ return getRootWindow(); };
diff --git a/src/x11windowsystem.h b/src/x11windowsystem.h
index db335e80..50e7d213 100644
--- a/src/x11windowsystem.h
+++ b/src/x11windowsystem.h
@@ -44,6 +44,7 @@ public:
     bool                    desktopOfWindow(Window *window, long *desktop);
     void                    x11wmClass(WId wid, QString resName);
     void                    bringToFront(QWidget *w);
+    ulong                   getDesktopRootWindow();
 };

 #endif // X11WINDOWSYSTEM_H