wayland: implement tablet-v2

build/wire.rs

@@ -723,10 +723,6 @@ fn write_request_handler<W: Write>(
     messages: &ParseResult,
 ) -> Result<()> {
     writeln!(f)?;
-    // TODO: remove this after https://github.com/mahkoh/jay/pull/190
-    if camel_obj_name == "ZwpTabletToolV2" {
-        writeln!(f, "    #[allow(dead_code)]")?;
-    }
     writeln!(
         f,
         "    pub trait {camel_obj_name}RequestHandler: crate::object::Object + Sized {{"

docs/config.md

@@ -474,6 +474,22 @@ You can use the `configure-input` action to change these settings at runtime.
 
 See the specification for more details.
 
+### Mapping Tablets to Outputs
+
+You can map tablets to outputs using the `output` property:
+
+```toml
+[[outputs]]
+name = "left"
+match.serial-number = "33K03894SL0"
+
+[[inputs]]
+match.name = "Wacom Bamboo Comic 2FG Pen"
+output.name = "left"
+```
+
+See the specification for more details.
+
 # Theming
 
 You can configure the colors, sizes, and fonts used by the compositor with the top-level `theme` table.

docs/features.md

@@ -165,6 +165,7 @@ Jay supports the following wayland protocols:
 | zwp_pointer_gestures_v1                 | 3                |               |
 | zwp_primary_selection_device_manager_v1 | 1                |               |
 | zwp_relative_pointer_manager_v1         | 1                |               |
+| zwp_tablet_manager_v2                   | 1                |               |
 | zwp_text_input_manager_v3               | 1                |               |
 | zwp_virtual_keyboard_manager_v1         | 1                | Yes           |
 | zxdg_decoration_manager_v1              | 1                |               |
@@ -182,5 +183,4 @@ The following features are currently not supported but might get implemented in
 
 - Fine-grained damage tracking.
 - Touch support.
-- Tablet support.
 - Tearing updates of fullscreen games.

jay-config/src/_private/client.rs

@@ -88,7 +88,9 @@ pub(crate) struct Client {
     response: RefCell<Vec<Response>>,
     on_new_seat: RefCell<Option<Callback<Seat>>>,
     on_new_input_device: RefCell<Option<Callback<InputDevice>>>,
+    on_input_device_removed: RefCell<Option<Callback<InputDevice>>>,
     on_connector_connected: RefCell<Option<Callback<Connector>>>,
+    on_connector_disconnected: RefCell<Option<Callback<Connector>>>,
     on_graphics_initialized: Cell<Option<Box<dyn FnOnce()>>>,
     on_devices_enumerated: Cell<Option<Box<dyn FnOnce()>>>,
     on_new_connector: RefCell<Option<Callback<Connector>>>,
@@ -216,7 +218,9 @@ pub unsafe extern "C" fn init(
         response: Default::default(),
         on_new_seat: Default::default(),
         on_new_input_device: Default::default(),
+        on_input_device_removed: Default::default(),
         on_connector_connected: Default::default(),
+        on_connector_disconnected: Default::default(),
         on_graphics_initialized: Default::default(),
         on_devices_enumerated: Default::default(),
         on_new_connector: Default::default(),
@@ -605,6 +609,10 @@ impl Client {
         *self.on_new_input_device.borrow_mut() = Some(cb(f));
     }
 
+    pub fn on_input_device_removed<F: FnMut(InputDevice) + 'static>(&self, f: F) {
+        *self.on_input_device_removed.borrow_mut() = Some(cb(f));
+    }
+
     pub fn on_switch_event<F: FnMut(SwitchEvent) + 'static>(
         &self,
         input_device: InputDevice,
@@ -818,6 +826,10 @@ impl Client {
         *self.on_connector_connected.borrow_mut() = Some(cb(f));
     }
 
+    pub fn on_connector_disconnected<F: FnMut(Connector) + 'static>(&self, f: F) {
+        *self.on_connector_disconnected.borrow_mut() = Some(cb(f));
+    }
+
     pub fn on_graphics_initialized<F: FnOnce() + 'static>(&self, f: F) {
         self.on_graphics_initialized.set(Some(Box::new(f)));
     }
@@ -943,6 +955,17 @@ impl Client {
         self.send(&ClientMessage::SetFocusFollowsMouseMode { seat, mode })
     }
 
+    pub fn set_input_device_connector(&self, input_device: InputDevice, connector: Connector) {
+        self.send(&ClientMessage::SetInputDeviceConnector {
+            input_device,
+            connector,
+        })
+    }
+
+    pub fn remove_input_mapping(&self, input_device: InputDevice) {
+        self.send(&ClientMessage::RemoveInputMapping { input_device })
+    }
+
     pub fn parse_keymap(&self, keymap: &str) -> Keymap {
         let res = self.send_with_response(&ClientMessage::ParseKeymap { keymap });
         get_response!(res, Keymap(0), ParseKeymap { keymap });
@@ -1272,14 +1295,23 @@ impl Client {
             }
             ServerMessage::DelInputDevice { device } => {
                 self.on_switch_event.borrow_mut().remove(&device);
+                let handler = self.on_input_device_removed.borrow_mut().clone();
+                if let Some(handler) = handler {
+                    run_cb("input device removed", &handler, device);
+                }
             }
             ServerMessage::ConnectorConnect { device } => {
                 let handler = self.on_connector_connected.borrow_mut().clone();
                 if let Some(handler) = handler {
                     run_cb("connector connected", &handler, device);
                 }
             }
-            ServerMessage::ConnectorDisconnect { .. } => {}
+            ServerMessage::ConnectorDisconnect { device } => {
+                let handler = self.on_connector_disconnected.borrow_mut().clone();
+                if let Some(handler) = handler {
+                    run_cb("connector disconnected", &handler, device);
+                }
+            }
             ServerMessage::NewConnector { device } => {
                 let handler = self.on_new_connector.borrow_mut().clone();
                 if let Some(handler) = handler {

jay-config/src/_private/ipc.rs

@@ -476,6 +476,13 @@ pub enum ClientMessage<'a> {
         seat: Seat,
         mode: FocusFollowsMouseMode,
     },
+    SetInputDeviceConnector {
+        input_device: InputDevice,
+        connector: Connector,
+    },
+    RemoveInputMapping {
+        input_device: InputDevice,
+    },
 }
 
 #[derive(Serialize, Deserialize, Debug)]

jay-config/src/input.rs

@@ -143,6 +143,20 @@ impl InputDevice {
     pub fn on_switch_event<F: FnMut(SwitchEvent) + 'static>(self, f: F) {
         get!().on_switch_event(self, f)
     }
+
+    /// Maps this input device to a connector.
+    ///
+    /// The connector should be connected.
+    ///
+    /// This should be used for touch screens and graphics tablets.
+    pub fn set_connector(self, connector: Connector) {
+        get!().set_input_device_connector(self, connector);
+    }
+
+    /// Removes the mapping of this device to a connector.
+    pub fn remove_mapping(self) {
+        get!().remove_input_mapping(self);
+    }
 }
 
 /// A seat.
@@ -449,6 +463,11 @@ pub fn on_new_input_device<F: FnMut(InputDevice) + 'static>(f: F) {
     get!().on_new_input_device(f)
 }
 
+/// Sets a closure to run when an input device has been removed.
+pub fn on_input_device_removed<F: FnMut(InputDevice) + 'static>(f: F) {
+    get!().on_input_device_removed(f)
+}
+
 /// Sets the maximum time between two clicks to be registered as a double click by the
 /// compositor.
 ///

jay-config/src/video.rs

@@ -275,6 +275,11 @@ pub fn on_connector_connected<F: FnMut(Connector) + 'static>(f: F) {
     get!().on_connector_connected(f)
 }
 
+/// Sets the callback to be called when a connector is disconnected from an output device.
+pub fn on_connector_disconnected<F: FnMut(Connector) + 'static>(f: F) {
+    get!().on_connector_disconnected(f)
+}
+
 /// Sets the callback to be called when the graphics of the compositor have been initialized.
 ///
 /// This callback is only invoked once during the lifetime of the compositor. This is a good place

release-notes.md

@@ -7,6 +7,7 @@
 - Focus-follows-mouse can now be disabled.
 - Add support for pointer-gestures-unstable-v1.
 - Configs can now handle switch events (laptop lid closed/opened).
+- Add support for tablet-v2.
 
 # 1.1.0 (2024-04-22)
 

src/backend.rs

@@ -4,7 +4,14 @@ use {
         drm_feedback::DrmFeedback,
         fixed::Fixed,
         gfx_api::{GfxFramebuffer, SyncFile},
-        ifs::wl_seat::wl_pointer::{CONTINUOUS, FINGER, HORIZONTAL_SCROLL, VERTICAL_SCROLL, WHEEL},
+        ifs::wl_seat::{
+            tablet::{
+                PadButtonState, TabletInit, TabletPadId, TabletPadInit, TabletRingEventSource,
+                TabletStripEventSource, TabletToolChanges, TabletToolId, TabletToolInit,
+                ToolButtonState,
+            },
+            wl_pointer::{CONTINUOUS, FINGER, HORIZONTAL_SCROLL, VERTICAL_SCROLL, WHEEL},
+        },
         libinput::consts::DeviceCapability,
         video::drm::{ConnectorType, DrmConnector, DrmError, DrmVersion},
     },
@@ -126,6 +133,8 @@ pub trait HardwareCursor: Debug {
 
 pub type TransformMatrix = [[f64; 2]; 2];
 
+linear_ids!(InputDeviceGroupIds, InputDeviceGroupId, usize);
+
 pub trait InputDevice {
     fn id(&self) -> InputDeviceId;
     fn removed(&self) -> bool;
@@ -169,6 +178,12 @@ pub trait InputDevice {
         None
     }
     fn set_natural_scrolling_enabled(&self, enabled: bool);
+    fn tablet_info(&self) -> Option<Box<TabletInit>> {
+        None
+    }
+    fn tablet_pad_info(&self) -> Option<Box<TabletPadInit>> {
+        None
+    }
 }
 
 #[derive(Debug, Copy, Clone, Hash, Eq, PartialEq)]
@@ -321,6 +336,53 @@ pub enum InputEvent {
         time_usec: u64,
         event: SwitchEvent,
     },
+
+    TabletToolAdded {
+        time_usec: u64,
+        init: Box<TabletToolInit>,
+    },
+    TabletToolChanged {
+        time_usec: u64,
+        id: TabletToolId,
+        changes: Box<TabletToolChanges>,
+    },
+    TabletToolButton {
+        time_usec: u64,
+        id: TabletToolId,
+        button: u32,
+        state: ToolButtonState,
+    },
+    TabletToolRemoved {
+        time_usec: u64,
+        id: TabletToolId,
+    },
+
+    TabletPadButton {
+        time_usec: u64,
+        id: TabletPadId,
+        button: u32,
+        state: PadButtonState,
+    },
+    TabletPadModeSwitch {
+        time_usec: u64,
+        pad: TabletPadId,
+        group: u32,
+        mode: u32,
+    },
+    TabletPadRing {
+        time_usec: u64,
+        pad: TabletPadId,
+        ring: u32,
+        source: Option<TabletRingEventSource>,
+        angle: Option<f64>,
+    },
+    TabletPadStrip {
+        time_usec: u64,
+        pad: TabletPadId,
+        strip: u32,
+        source: Option<TabletStripEventSource>,
+        position: Option<f64>,
+    },
 }
 
 pub enum DrmEvent {