diff --git a/src/backend.rs b/src/backend.rs
index e6dd2489..2dcfa462 100644
--- a/src/backend.rs
+++ b/src/backend.rs
@@ -14,7 +14,13 @@ linear_ids!(ConnectorIds, ConnectorId);
 linear_ids!(InputDeviceIds, InputDeviceId);
 
 pub trait Backend {
-    fn switch_to(&self, vtnr: u32);
+    fn switch_to(&self, vtnr: u32) {
+        let _ = vtnr;
+    }
+
+    fn set_idle(&self, idle: bool) {
+        let _ = idle;
+    }
 }
 
 #[derive(Copy, Clone, Debug, Default, Eq, PartialEq)]
diff --git a/src/backends/dummy.rs b/src/backends/dummy.rs
index 7fc3f715..aa3a19b0 100644
--- a/src/backends/dummy.rs
+++ b/src/backends/dummy.rs
@@ -8,11 +8,7 @@ use {
 
 pub struct DummyBackend {}
 
-impl Backend for DummyBackend {
-    fn switch_to(&self, vtnr: u32) {
-        let _ = vtnr;
-    }
-}
+impl Backend for DummyBackend {}
 
 pub struct DummyOutput {
     pub id: ConnectorId,
diff --git a/src/backends/metal.rs b/src/backends/metal.rs
index 39348bca..ffeba71b 100644
--- a/src/backends/metal.rs
+++ b/src/backends/metal.rs
@@ -4,7 +4,7 @@ mod video;
 
 use {
     crate::{
-        async_engine::{AsyncError, AsyncFd},
+        async_engine::{AsyncError, AsyncFd, Phase},
         backend::{
             Backend, InputDevice, InputDeviceAccelProfile, InputDeviceCapability, InputDeviceId,
             InputEvent, KeyState,
@@ -25,6 +25,7 @@ use {
         logind::{LogindError, Session},
         render::RenderError,
         state::State,
+        tasks::idle,
         udev::{Udev, UdevError, UdevMonitor},
         utils::{
             clonecell::{CloneCell, UnsafeCellCloneSafe},
@@ -34,7 +35,10 @@ use {
             smallmap::SmallMap,
             syncqueue::SyncQueue,
         },
-        video::{drm::DrmError, gbm::GbmError},
+        video::{
+            drm::{DrmError, DRM_MODE_ATOMIC_ALLOW_MODESET},
+            gbm::GbmError,
+        },
     },
     std::{
         cell::{Cell, RefCell},
@@ -128,6 +132,34 @@ impl Backend for MetalBackend {
             }
         })
     }
+
+    fn set_idle(&self, idle: bool) {
+        let devices = self.device_holder.drm_devices.lock();
+        for device in devices.values() {
+            let mut change = device.dev.master.change();
+            for connector in device.connectors.values() {
+                if let Some(crtc) = connector.crtc.get() {
+                    if idle == crtc.active.value.get() {
+                        crtc.active.value.set(!idle);
+                        change.change_object(crtc.id, |c| {
+                            c.change(crtc.active.id, (!idle) as _);
+                        });
+                    }
+                }
+            }
+            if let Err(e) = change.commit(DRM_MODE_ATOMIC_ALLOW_MODESET, 0) {
+                log::error!("Could not set monitors idle/not idle: {}", ErrorFmt(e));
+                return;
+            }
+        }
+        if !idle {
+            for device in devices.values() {
+                for connector in device.connectors.values() {
+                    self.present(connector);
+                }
+            }
+        }
+    }
 }
 
 async fn run_(state: Rc<State>) -> Result<(), MetalError> {
@@ -193,6 +225,9 @@ async fn run_(state: Rc<State>) -> Result<(), MetalError> {
         return Err(MetalError::Enumerate(Box::new(e)));
     }
     state.backend.set(Some(metal.clone()));
+    let _idle = state
+        .eng
+        .spawn2(Phase::PostLayout, idle(state.clone(), metal.clone()));
     pending().await
 }
 
diff --git a/src/backends/metal/video.rs b/src/backends/metal/video.rs
index 2e96feb3..db9361d2 100644
--- a/src/backends/metal/video.rs
+++ b/src/backends/metal/video.rs
@@ -1002,7 +1002,14 @@ impl MetalBackend {
         self.present(connector);
     }
 
-    fn present(&self, connector: &Rc<MetalConnector>) {
+    pub fn present(&self, connector: &Rc<MetalConnector>) {
+        let crtc = match connector.crtc.get() {
+            Some(crtc) => crtc,
+            _ => return,
+        };
+        if !crtc.active.value.get() {
+            return;
+        }
         let buffers = match connector.buffers.get() {
             None => return,
             Some(b) => b,
diff --git a/src/backends/x.rs b/src/backends/x.rs
index 3385cf86..e8a34196 100644
--- a/src/backends/x.rs
+++ b/src/backends/x.rs
@@ -113,11 +113,7 @@ pub struct XBackend {
     _grab: SpawnedFuture<()>,
 }
 
-impl Backend for XBackend {
-    fn switch_to(&self, _vtnr: u32) {
-        log::error!("X backend cannot switch vts");
-    }
-}
+impl Backend for XBackend {}
 
 struct XBackendData {
     state: Rc<State>,
diff --git a/src/cli.rs b/src/cli.rs
index c8a5d7e5..e8666a54 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -47,7 +47,7 @@ pub enum Cmd {
 pub struct ScreenshotArgs {
     /// The filename of the saved screenshot
     ///
-    /// If no filename is given, the screenshot will be saved under jay-%Y-%m-%d-%H:%M:%S.qoi
+    /// If no filename is given, the screenshot will be saved under %Y-%m-%d-%H%M%S_jay.qoi
     /// in the current directory.
     ///
     /// The filename can contain the usual strftime parameters.
diff --git a/src/cli/screenshot.rs b/src/cli/screenshot.rs
index 22359692..e48b71ea 100644
--- a/src/cli/screenshot.rs
+++ b/src/cli/screenshot.rs
@@ -60,7 +60,7 @@ async fn run(screenshot: Rc<Screenshot>) {
         .args
         .filename
         .as_deref()
-        .unwrap_or("jay-%Y-%m-%d-%H:%M:%S.qoi");
+        .unwrap_or("%Y-%m-%d-%H%M%S_jay.qoi");
     let filename = Local::now().format(filename).to_string();
     if let Err(e) = std::fs::write(&filename, &data) {
         fatal!("Could not write `{}`: {}", filename, ErrorFmt(e));
diff --git a/src/compositor.rs b/src/compositor.rs
index 7ead0405..46cf9a06 100644
--- a/src/compositor.rs
+++ b/src/compositor.rs
@@ -17,7 +17,7 @@ use {
         logger::Logger,
         render::{self, RenderError},
         sighand::{self, SighandError},
-        state::{ConnectorData, State},
+        state::{ConnectorData, IdleState, State},
         tasks,
         tree::{
             container_layout, container_render_data, float_layout, float_titles, DisplayNode,
@@ -32,12 +32,12 @@ use {
         xwayland,
     },
     forker::ForkerProxy,
-    std::{cell::Cell, ops::Deref, rc::Rc, sync::Arc},
+    std::{cell::Cell, ops::Deref, rc::Rc, sync::Arc, time::Duration},
     thiserror::Error,
     uapi::c,
 };
 
-pub const MAX_EXTENTS: i32 = (1 << 24) - 1;
+pub const MAX_EXTENTS: i32 = (1 << 22) - 1;
 
 pub fn start_compositor(global: GlobalArgs, args: RunArgs) {
     let forker = match ForkerProxy::create() {
@@ -123,6 +123,12 @@ fn main_(forker: Rc<ForkerProxy>, logger: Arc<Logger>, _args: &RunArgs) -> Resul
         connectors: Default::default(),
         outputs: Default::default(),
         status: Default::default(),
+        idle: IdleState {
+            input: Default::default(),
+            change: Default::default(),
+            timeout: Cell::new(Duration::from_secs(10)),
+            timeout_changed: Default::default(),
+        },
     });
     {
         let dummy_output = Rc::new(OutputNode {
diff --git a/src/ifs/wl_surface/xwindow.rs b/src/ifs/wl_surface/xwindow.rs
index 8577fe29..f7853a76 100644
--- a/src/ifs/wl_surface/xwindow.rs
+++ b/src/ifs/wl_surface/xwindow.rs
@@ -247,10 +247,12 @@ impl Xwindow {
             _ => return,
         };
         let extents = self.surface.extents.get();
-        // let extents = self.xdg.extents.get();
         // parent.child_active_changed(self, self.active_surfaces.get() > 0);
         parent.node_child_size_changed(self, extents.width(), extents.height());
-        // parent.child_title_changed(self, self.title.borrow_mut().deref());
+        parent.node_child_title_changed(
+            self,
+            self.data.info.title.borrow_mut().as_deref().unwrap_or(""),
+        );
     }
 
     pub fn is_mapped(&self) -> bool {
@@ -414,7 +416,9 @@ impl SizedNode for Xwindow {
     fn change_extents(self: &Rc<Self>, rect: &Rect) {
         let old = self.data.info.extents.replace(*rect);
         if old != *rect {
-            self.events.push(XWaylandEvent::Configure(self.clone()));
+            if !self.data.info.override_redirect.get() {
+                self.events.push(XWaylandEvent::Configure(self.clone()));
+            }
             if old.position() != rect.position() {
                 self.surface.set_absolute_position(rect.x1(), rect.y1());
             }
diff --git a/src/state.rs b/src/state.rs
index 0dd002b9..3a31d96a 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -25,8 +25,8 @@ use {
             OutputNode, SizedNode, WorkspaceNode,
         },
         utils::{
-            clonecell::CloneCell, copyhashmap::CopyHashMap, errorfmt::ErrorFmt, fdcloser::FdCloser,
-            linkedlist::LinkedList, queue::AsyncQueue,
+            asyncevent::AsyncEvent, clonecell::CloneCell, copyhashmap::CopyHashMap,
+            errorfmt::ErrorFmt, fdcloser::FdCloser, linkedlist::LinkedList, queue::AsyncQueue,
         },
         wheel::Wheel,
         xkbcommon::{XkbContext, XkbKeymap},
@@ -37,6 +37,7 @@ use {
         cell::{Cell, RefCell},
         rc::Rc,
         sync::Arc,
+        time::Duration,
     },
 };
 
@@ -77,6 +78,14 @@ pub struct State {
     pub connectors: CopyHashMap<ConnectorId, Rc<ConnectorData>>,
     pub outputs: CopyHashMap<ConnectorId, Rc<OutputData>>,
     pub status: CloneCell<Rc<String>>,
+    pub idle: IdleState,
+}
+
+pub struct IdleState {
+    pub input: Cell<bool>,
+    pub change: AsyncEvent,
+    pub timeout: Cell<Duration>,
+    pub timeout_changed: Cell<bool>,
 }
 
 pub struct InputDeviceData {
@@ -290,4 +299,10 @@ impl State {
             output.set_status(&status);
         }
     }
+
+    pub fn input_occurred(&self) {
+        if !self.idle.input.replace(true) {
+            self.idle.change.trigger();
+        }
+    }
 }
diff --git a/src/tasks.rs b/src/tasks.rs
index 8a75926b..b467faf7 100644
--- a/src/tasks.rs
+++ b/src/tasks.rs
@@ -1,10 +1,10 @@
 mod backend;
 mod connector;
+mod idle;
 mod input_device;
 mod slow_clients;
 mod start_backend;
 
-pub use start_backend::start_backend;
 use {
     crate::{
         state::State,
@@ -12,6 +12,7 @@ use {
     },
     std::rc::Rc,
 };
+pub use {idle::idle, start_backend::start_backend};
 
 pub async fn handle_backend_events(state: Rc<State>) {
     let mut beh = BackendEventHandler { state };
diff --git a/src/tasks/idle.rs b/src/tasks/idle.rs
new file mode 100644
index 00000000..8c6f0f77
--- /dev/null
+++ b/src/tasks/idle.rs
@@ -0,0 +1,101 @@
+use {
+    crate::{
+        async_engine::{AsyncError, Timer},
+        backend::Backend,
+        state::State,
+        utils::errorfmt::ErrorFmt,
+    },
+    futures_util::{select, FutureExt},
+    std::{rc::Rc, time::Duration},
+    uapi::c,
+};
+
+pub async fn idle(state: Rc<State>, backend: Rc<dyn Backend>) {
+    let timer = match state.eng.timer(c::CLOCK_MONOTONIC) {
+        Ok(t) => t,
+        Err(e) => {
+            log::error!("Could not create idle timer: {}", ErrorFmt(e));
+            return;
+        }
+    };
+    state.idle.change.trigger();
+    state.idle.timeout_changed.set(true);
+    let mut idle = Idle {
+        state,
+        backend,
+        timer,
+        idle: false,
+        dead: false,
+        last_input: now(),
+    };
+    idle.run().await;
+}
+
+struct Idle {
+    state: Rc<State>,
+    backend: Rc<dyn Backend>,
+    timer: Timer,
+    idle: bool,
+    dead: bool,
+    last_input: c::timespec,
+}
+
+impl Idle {
+    async fn run(&mut self) {
+        while !self.dead {
+            select! {
+                res = self.timer.expired().fuse() => self.handle_expired(res),
+                _ = self.state.idle.change.triggered().fuse() => self.handle_idle_changes(),
+            }
+        }
+    }
+
+    fn handle_expired(&mut self, res: Result<u64, AsyncError>) {
+        if let Err(e) = res {
+            log::error!("Could not wait for idle timer to expire: {}", ErrorFmt(e));
+            self.dead = true;
+            return;
+        }
+        let timeout = self.state.idle.timeout.get();
+        let since = duration_since(self.last_input);
+        if since >= timeout {
+            self.backend.set_idle(true);
+            self.idle = true;
+        } else {
+            self.program_timer(timeout - since);
+        }
+    }
+
+    fn handle_idle_changes(&mut self) {
+        if self.state.idle.timeout_changed.replace(false) {
+            self.program_timer(self.state.idle.timeout.get());
+        }
+        if self.state.idle.input.replace(false) {
+            self.last_input = now();
+            if self.idle {
+                self.backend.set_idle(false);
+                self.idle = false;
+            }
+        }
+    }
+
+    fn program_timer(&mut self, timeout: Duration) {
+        if let Err(e) = self.timer.program(Some(timeout), None) {
+            log::error!("Could not program idle timer: {}", ErrorFmt(e));
+            self.dead = true;
+        }
+    }
+}
+
+fn now() -> c::timespec {
+    let mut now = uapi::pod_zeroed();
+    let _ = uapi::clock_gettime(c::CLOCK_MONOTONIC, &mut now);
+    now
+}
+
+fn duration_since(start: c::timespec) -> Duration {
+    let now = now();
+    let nanos =
+        (now.tv_sec as i64 - start.tv_sec as i64) * 1_000_000_000 + (now.tv_nsec - start.tv_nsec);
+    Duration::from_nanos(nanos as u64)
+}
diff --git a/src/tasks/input_device.rs b/src/tasks/input_device.rs
index 1c066429..3c9e80e1 100644
--- a/src/tasks/input_device.rs
+++ b/src/tasks/input_device.rs
@@ -56,6 +56,7 @@ impl DeviceHandler {
                 }
                 if any_events {
                     seat.mark_last_active();
+                    self.state.input_occurred();
                 }
             } else {
                 while self.dev.event().is_some() {
diff --git a/src/xwayland/xwm.rs b/src/xwayland/xwm.rs
index e40bbd61..b0d7ce1c 100644
--- a/src/xwayland/xwm.rs
+++ b/src/xwayland/xwm.rs
@@ -7,7 +7,7 @@ use {
         },
         rect::Rect,
         state::State,
-        tree::Node,
+        tree::{Node, SizedNode},
         utils::{
             bitflags::BitflagsExt, errorfmt::ErrorFmt, linkedlist::LinkedList, queue::AsyncQueue,
         },
@@ -1344,15 +1344,15 @@ impl Wm {
         };
         self.update_override_redirect(data, event.override_redirect);
         if data.info.override_redirect.get() {
-            let extents = Rect::new_sized(
-                event.x as _,
-                event.y as _,
-                event.width as _,
-                event.height as _,
-            )
-            .unwrap();
-            let changed = data.info.extents.replace(extents) != extents;
-            if changed {
+            if let Some(window) = data.window.get() {
+                let extents = Rect::new_sized(
+                    event.x as _,
+                    event.y as _,
+                    event.width as _,
+                    event.height as _,
+                )
+                .unwrap();
+                window.change_extents(&extents);
                 self.state.tree_changed();
             }
         }