client.rs

   1use std::{
   2    cell::{RefCell, RefMut},
   3    hash::Hash,
   4    os::fd::{AsRawFd, BorrowedFd},
   5    path::PathBuf,
   6    rc::{Rc, Weak},
   7    time::{Duration, Instant},
   8};
   9
  10use ashpd::WindowIdentifier;
  11use calloop::{
  12    EventLoop, LoopHandle,
  13    timer::{TimeoutAction, Timer},
  14};
  15use calloop_wayland_source::WaylandSource;
  16use collections::HashMap;
  17use filedescriptor::Pipe;
  18use http_client::Url;
  19use smallvec::SmallVec;
  20use util::ResultExt as _;
  21use wayland_backend::client::ObjectId;
  22use wayland_backend::protocol::WEnum;
  23use wayland_client::event_created_child;
  24use wayland_client::globals::{GlobalList, GlobalListContents, registry_queue_init};
  25use wayland_client::protocol::wl_callback::{self, WlCallback};
  26use wayland_client::protocol::wl_data_device_manager::DndAction;
  27use wayland_client::protocol::wl_data_offer::WlDataOffer;
  28use wayland_client::protocol::wl_pointer::AxisSource;
  29use wayland_client::protocol::{
  30    wl_data_device, wl_data_device_manager, wl_data_offer, wl_data_source, wl_output, wl_region,
  31};
  32use wayland_client::{
  33    Connection, Dispatch, Proxy, QueueHandle, delegate_noop,
  34    protocol::{
  35        wl_buffer, wl_compositor, wl_keyboard, wl_pointer, wl_registry, wl_seat, wl_shm,
  36        wl_shm_pool, wl_surface,
  37    },
  38};
  39use wayland_protocols::wp::primary_selection::zv1::client::zwp_primary_selection_offer_v1::{
  40    self, ZwpPrimarySelectionOfferV1,
  41};
  42use wayland_protocols::wp::primary_selection::zv1::client::{
  43    zwp_primary_selection_device_manager_v1, zwp_primary_selection_device_v1,
  44    zwp_primary_selection_source_v1,
  45};
  46use wayland_protocols::wp::text_input::zv3::client::zwp_text_input_v3::{
  47    ContentHint, ContentPurpose,
  48};
  49use wayland_protocols::wp::text_input::zv3::client::{
  50    zwp_text_input_manager_v3, zwp_text_input_v3,
  51};
  52use wayland_protocols::wp::viewporter::client::{wp_viewport, wp_viewporter};
  53use wayland_protocols::xdg::activation::v1::client::{xdg_activation_token_v1, xdg_activation_v1};
  54use wayland_protocols::xdg::decoration::zv1::client::{
  55    zxdg_decoration_manager_v1, zxdg_toplevel_decoration_v1,
  56};
  57use wayland_protocols::xdg::shell::client::{xdg_surface, xdg_toplevel, xdg_wm_base};
  58use wayland_protocols::{
  59    wp::cursor_shape::v1::client::{wp_cursor_shape_device_v1, wp_cursor_shape_manager_v1},
  60    xdg::dialog::v1::client::xdg_wm_dialog_v1::{self, XdgWmDialogV1},
  61};
  62use wayland_protocols::{
  63    wp::fractional_scale::v1::client::{wp_fractional_scale_manager_v1, wp_fractional_scale_v1},
  64    xdg::dialog::v1::client::xdg_dialog_v1::XdgDialogV1,
  65};
  66use wayland_protocols_plasma::blur::client::{org_kde_kwin_blur, org_kde_kwin_blur_manager};
  67use wayland_protocols_wlr::layer_shell::v1::client::{zwlr_layer_shell_v1, zwlr_layer_surface_v1};
  68use xkbcommon::xkb::ffi::XKB_KEYMAP_FORMAT_TEXT_V1;
  69use xkbcommon::xkb::{self, KEYMAP_COMPILE_NO_FLAGS, Keycode};
  70
  71use super::{
  72    display::WaylandDisplay,
  73    window::{ImeInput, WaylandWindowStatePtr},
  74};
  75
  76use crate::linux::{
  77    DOUBLE_CLICK_INTERVAL, LinuxClient, LinuxCommon, LinuxKeyboardLayout, SCROLL_LINES,
  78    capslock_from_xkb, cursor_style_to_icon_names, get_xkb_compose_state, is_within_click_distance,
  79    keystroke_from_xkb, keystroke_underlying_dead_key, modifiers_from_xkb, open_uri_internal,
  80    read_fd, reveal_path_internal,
  81    wayland::{
  82        clipboard::{Clipboard, DataOffer, FILE_LIST_MIME_TYPE, TEXT_MIME_TYPES},
  83        cursor::Cursor,
  84        serial::{SerialKind, SerialTracker},
  85        to_shape,
  86        window::WaylandWindow,
  87    },
  88    xdg_desktop_portal::{Event as XDPEvent, XDPEventSource},
  89};
  90use gpui::{
  91    AnyWindowHandle, Bounds, Capslock, CursorStyle, DevicePixels, DisplayId, FileDropEvent,
  92    ForegroundExecutor, KeyDownEvent, KeyUpEvent, Keystroke, Modifiers, ModifiersChangedEvent,
  93    MouseButton, MouseDownEvent, MouseExitEvent, MouseMoveEvent, MouseUpEvent, NavigationDirection,
  94    Pixels, PlatformDisplay, PlatformInput, PlatformKeyboardLayout, PlatformWindow, Point,
  95    ScrollDelta, ScrollWheelEvent, SharedString, Size, TaskTiming, TouchPhase, WindowParams, point,
  96    profiler, px, size,
  97};
  98use gpui_wgpu::{CompositorGpuHint, GpuContext};
  99use wayland_protocols::wp::linux_dmabuf::zv1::client::{
 100    zwp_linux_dmabuf_feedback_v1, zwp_linux_dmabuf_v1,
 101};
 102
 103/// Used to convert evdev scancode to xkb scancode
 104const MIN_KEYCODE: u32 = 8;
 105
 106const UNKNOWN_KEYBOARD_LAYOUT_NAME: SharedString = SharedString::new_static("unknown");
 107
 108#[derive(Clone)]
 109pub struct Globals {
 110    pub qh: QueueHandle<WaylandClientStatePtr>,
 111    pub activation: Option<xdg_activation_v1::XdgActivationV1>,
 112    pub compositor: wl_compositor::WlCompositor,
 113    pub cursor_shape_manager: Option<wp_cursor_shape_manager_v1::WpCursorShapeManagerV1>,
 114    pub data_device_manager: Option<wl_data_device_manager::WlDataDeviceManager>,
 115    pub primary_selection_manager:
 116        Option<zwp_primary_selection_device_manager_v1::ZwpPrimarySelectionDeviceManagerV1>,
 117    pub wm_base: xdg_wm_base::XdgWmBase,
 118    pub shm: wl_shm::WlShm,
 119    pub seat: wl_seat::WlSeat,
 120    pub viewporter: Option<wp_viewporter::WpViewporter>,
 121    pub fractional_scale_manager:
 122        Option<wp_fractional_scale_manager_v1::WpFractionalScaleManagerV1>,
 123    pub decoration_manager: Option<zxdg_decoration_manager_v1::ZxdgDecorationManagerV1>,
 124    pub layer_shell: Option<zwlr_layer_shell_v1::ZwlrLayerShellV1>,
 125    pub blur_manager: Option<org_kde_kwin_blur_manager::OrgKdeKwinBlurManager>,
 126    pub text_input_manager: Option<zwp_text_input_manager_v3::ZwpTextInputManagerV3>,
 127    pub dialog: Option<xdg_wm_dialog_v1::XdgWmDialogV1>,
 128    pub executor: ForegroundExecutor,
 129}
 130
 131impl Globals {
 132    fn new(
 133        globals: GlobalList,
 134        executor: ForegroundExecutor,
 135        qh: QueueHandle<WaylandClientStatePtr>,
 136        seat: wl_seat::WlSeat,
 137    ) -> Self {
 138        let dialog_v = XdgWmDialogV1::interface().version;
 139        Globals {
 140            activation: globals.bind(&qh, 1..=1, ()).ok(),
 141            compositor: globals
 142                .bind(
 143                    &qh,
 144                    wl_surface::REQ_SET_BUFFER_SCALE_SINCE
 145                        ..=wl_surface::EVT_PREFERRED_BUFFER_SCALE_SINCE,
 146                    (),
 147                )
 148                .unwrap(),
 149            cursor_shape_manager: globals.bind(&qh, 1..=1, ()).ok(),
 150            data_device_manager: globals
 151                .bind(
 152                    &qh,
 153                    WL_DATA_DEVICE_MANAGER_VERSION..=WL_DATA_DEVICE_MANAGER_VERSION,
 154                    (),
 155                )
 156                .ok(),
 157            primary_selection_manager: globals.bind(&qh, 1..=1, ()).ok(),
 158            shm: globals.bind(&qh, 1..=1, ()).unwrap(),
 159            seat,
 160            wm_base: globals.bind(&qh, 1..=5, ()).unwrap(),
 161            viewporter: globals.bind(&qh, 1..=1, ()).ok(),
 162            fractional_scale_manager: globals.bind(&qh, 1..=1, ()).ok(),
 163            decoration_manager: globals.bind(&qh, 1..=1, ()).ok(),
 164            layer_shell: globals.bind(&qh, 1..=5, ()).ok(),
 165            blur_manager: globals.bind(&qh, 1..=1, ()).ok(),
 166            text_input_manager: globals.bind(&qh, 1..=1, ()).ok(),
 167            dialog: globals.bind(&qh, dialog_v..=dialog_v, ()).ok(),
 168            executor,
 169            qh,
 170        }
 171    }
 172}
 173
 174#[derive(Default, Debug, Clone, PartialEq, Eq, Hash)]
 175pub struct InProgressOutput {
 176    name: Option<String>,
 177    scale: Option<i32>,
 178    position: Option<Point<DevicePixels>>,
 179    size: Option<Size<DevicePixels>>,
 180}
 181
 182impl InProgressOutput {
 183    fn complete(&self) -> Option<Output> {
 184        if let Some((position, size)) = self.position.zip(self.size) {
 185            let scale = self.scale.unwrap_or(1);
 186            Some(Output {
 187                name: self.name.clone(),
 188                scale,
 189                bounds: Bounds::new(position, size),
 190            })
 191        } else {
 192            None
 193        }
 194    }
 195}
 196
 197#[derive(Debug, Clone, Eq, PartialEq, Hash)]
 198pub struct Output {
 199    pub name: Option<String>,
 200    pub scale: i32,
 201    pub bounds: Bounds<DevicePixels>,
 202}
 203
 204pub(crate) struct WaylandClientState {
 205    serial_tracker: SerialTracker,
 206    globals: Globals,
 207    pub gpu_context: GpuContext,
 208    pub compositor_gpu: Option<CompositorGpuHint>,
 209    wl_seat: wl_seat::WlSeat, // TODO: Multi seat support
 210    wl_pointer: Option<wl_pointer::WlPointer>,
 211    wl_keyboard: Option<wl_keyboard::WlKeyboard>,
 212    cursor_shape_device: Option<wp_cursor_shape_device_v1::WpCursorShapeDeviceV1>,
 213    data_device: Option<wl_data_device::WlDataDevice>,
 214    primary_selection: Option<zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1>,
 215    text_input: Option<zwp_text_input_v3::ZwpTextInputV3>,
 216    pre_edit_text: Option<String>,
 217    ime_pre_edit: Option<String>,
 218    composing: bool,
 219    // Surface to Window mapping
 220    windows: HashMap<ObjectId, WaylandWindowStatePtr>,
 221    // Output to scale mapping
 222    outputs: HashMap<ObjectId, Output>,
 223    in_progress_outputs: HashMap<ObjectId, InProgressOutput>,
 224    keyboard_layout: LinuxKeyboardLayout,
 225    keymap_state: Option<xkb::State>,
 226    compose_state: Option<xkb::compose::State>,
 227    drag: DragState,
 228    click: ClickState,
 229    repeat: KeyRepeat,
 230    pub modifiers: Modifiers,
 231    pub capslock: Capslock,
 232    axis_source: AxisSource,
 233    pub mouse_location: Option<Point<Pixels>>,
 234    continuous_scroll_delta: Option<Point<Pixels>>,
 235    discrete_scroll_delta: Option<Point<f32>>,
 236    vertical_modifier: f32,
 237    horizontal_modifier: f32,
 238    scroll_event_received: bool,
 239    enter_token: Option<()>,
 240    button_pressed: Option<MouseButton>,
 241    mouse_focused_window: Option<WaylandWindowStatePtr>,
 242    keyboard_focused_window: Option<WaylandWindowStatePtr>,
 243    loop_handle: LoopHandle<'static, WaylandClientStatePtr>,
 244    cursor_style: Option<CursorStyle>,
 245    clipboard: Clipboard,
 246    data_offers: Vec<DataOffer<WlDataOffer>>,
 247    primary_data_offer: Option<DataOffer<ZwpPrimarySelectionOfferV1>>,
 248    cursor: Cursor,
 249    pending_activation: Option<PendingActivation>,
 250    event_loop: Option<EventLoop<'static, WaylandClientStatePtr>>,
 251    pub common: LinuxCommon,
 252}
 253
 254pub struct DragState {
 255    data_offer: Option<wl_data_offer::WlDataOffer>,
 256    window: Option<WaylandWindowStatePtr>,
 257    position: Point<Pixels>,
 258}
 259
 260pub struct ClickState {
 261    last_mouse_button: Option<MouseButton>,
 262    last_click: Instant,
 263    last_location: Point<Pixels>,
 264    current_count: usize,
 265}
 266
 267pub(crate) struct KeyRepeat {
 268    characters_per_second: u32,
 269    delay: Duration,
 270    current_id: u64,
 271    current_keycode: Option<xkb::Keycode>,
 272}
 273
 274pub(crate) enum PendingActivation {
 275    /// URI to open in the web browser.
 276    Uri(String),
 277    /// Path to open in the file explorer.
 278    Path(PathBuf),
 279    /// A window from ourselves to raise.
 280    Window(ObjectId),
 281}
 282
 283/// This struct is required to conform to Rust's orphan rules, so we can dispatch on the state but hand the
 284/// window to GPUI.
 285#[derive(Clone)]
 286pub struct WaylandClientStatePtr(Weak<RefCell<WaylandClientState>>);
 287
 288impl WaylandClientStatePtr {
 289    pub fn get_client(&self) -> Rc<RefCell<WaylandClientState>> {
 290        self.0
 291            .upgrade()
 292            .expect("The pointer should always be valid when dispatching in wayland")
 293    }
 294
 295    pub fn get_serial(&self, kind: SerialKind) -> u32 {
 296        self.0.upgrade().unwrap().borrow().serial_tracker.get(kind)
 297    }
 298
 299    pub fn set_pending_activation(&self, window: ObjectId) {
 300        self.0.upgrade().unwrap().borrow_mut().pending_activation =
 301            Some(PendingActivation::Window(window));
 302    }
 303
 304    pub fn enable_ime(&self) {
 305        let client = self.get_client();
 306        let mut state = client.borrow_mut();
 307        let Some(text_input) = state.text_input.take() else {
 308            return;
 309        };
 310
 311        text_input.enable();
 312        text_input.set_content_type(ContentHint::None, ContentPurpose::Normal);
 313        if let Some(window) = state.keyboard_focused_window.clone() {
 314            drop(state);
 315            if let Some(area) = window.get_ime_area() {
 316                text_input.set_cursor_rectangle(
 317                    f32::from(area.origin.x) as i32,
 318                    f32::from(area.origin.y) as i32,
 319                    f32::from(area.size.width) as i32,
 320                    f32::from(area.size.height) as i32,
 321                );
 322            }
 323            state = client.borrow_mut();
 324        }
 325        text_input.commit();
 326        state.text_input = Some(text_input);
 327    }
 328
 329    pub fn disable_ime(&self) {
 330        let client = self.get_client();
 331        let mut state = client.borrow_mut();
 332        state.composing = false;
 333        if let Some(text_input) = &state.text_input {
 334            text_input.disable();
 335            text_input.commit();
 336        }
 337    }
 338
 339    pub fn update_ime_position(&self, bounds: Bounds<Pixels>) {
 340        let client = self.get_client();
 341        let state = client.borrow_mut();
 342        if state.composing || state.text_input.is_none() || state.pre_edit_text.is_some() {
 343            return;
 344        }
 345
 346        let text_input = state.text_input.as_ref().unwrap();
 347        text_input.set_cursor_rectangle(
 348            bounds.origin.x.as_f32() as i32,
 349            bounds.origin.y.as_f32() as i32,
 350            bounds.size.width.as_f32() as i32,
 351            bounds.size.height.as_f32() as i32,
 352        );
 353        text_input.commit();
 354    }
 355
 356    pub fn handle_keyboard_layout_change(&self) {
 357        let client = self.get_client();
 358        let mut state = client.borrow_mut();
 359        let changed = if let Some(keymap_state) = &state.keymap_state {
 360            let layout_idx = keymap_state.serialize_layout(xkbcommon::xkb::STATE_LAYOUT_EFFECTIVE);
 361            let keymap = keymap_state.get_keymap();
 362            let layout_name = keymap.layout_get_name(layout_idx);
 363            let changed = layout_name != state.keyboard_layout.name();
 364            if changed {
 365                state.keyboard_layout = LinuxKeyboardLayout::new(layout_name.to_string().into());
 366            }
 367            changed
 368        } else {
 369            let changed = &UNKNOWN_KEYBOARD_LAYOUT_NAME != state.keyboard_layout.name();
 370            if changed {
 371                state.keyboard_layout = LinuxKeyboardLayout::new(UNKNOWN_KEYBOARD_LAYOUT_NAME);
 372            }
 373            changed
 374        };
 375
 376        if changed && let Some(mut callback) = state.common.callbacks.keyboard_layout_change.take()
 377        {
 378            drop(state);
 379            callback();
 380            state = client.borrow_mut();
 381            state.common.callbacks.keyboard_layout_change = Some(callback);
 382        }
 383    }
 384
 385    pub fn drop_window(&self, surface_id: &ObjectId) {
 386        let client = self.get_client();
 387        let mut state = client.borrow_mut();
 388        let closed_window = state.windows.remove(surface_id).unwrap();
 389        if let Some(window) = state.mouse_focused_window.take()
 390            && !window.ptr_eq(&closed_window)
 391        {
 392            state.mouse_focused_window = Some(window);
 393        }
 394        if let Some(window) = state.keyboard_focused_window.take()
 395            && !window.ptr_eq(&closed_window)
 396        {
 397            state.keyboard_focused_window = Some(window);
 398        }
 399    }
 400}
 401
 402#[derive(Clone)]
 403pub struct WaylandClient(Rc<RefCell<WaylandClientState>>);
 404
 405impl Drop for WaylandClient {
 406    fn drop(&mut self) {
 407        let mut state = self.0.borrow_mut();
 408        state.windows.clear();
 409
 410        if let Some(wl_pointer) = &state.wl_pointer {
 411            wl_pointer.release();
 412        }
 413        if let Some(cursor_shape_device) = &state.cursor_shape_device {
 414            cursor_shape_device.destroy();
 415        }
 416        if let Some(data_device) = &state.data_device {
 417            data_device.release();
 418        }
 419        if let Some(text_input) = &state.text_input {
 420            text_input.destroy();
 421        }
 422    }
 423}
 424
 425const WL_DATA_DEVICE_MANAGER_VERSION: u32 = 3;
 426
 427fn wl_seat_version(version: u32) -> u32 {
 428    // We rely on the wl_pointer.frame event
 429    const WL_SEAT_MIN_VERSION: u32 = 5;
 430    const WL_SEAT_MAX_VERSION: u32 = 9;
 431
 432    if version < WL_SEAT_MIN_VERSION {
 433        panic!(
 434            "wl_seat below required version: {} < {}",
 435            version, WL_SEAT_MIN_VERSION
 436        );
 437    }
 438
 439    version.clamp(WL_SEAT_MIN_VERSION, WL_SEAT_MAX_VERSION)
 440}
 441
 442fn wl_output_version(version: u32) -> u32 {
 443    const WL_OUTPUT_MIN_VERSION: u32 = 2;
 444    const WL_OUTPUT_MAX_VERSION: u32 = 4;
 445
 446    if version < WL_OUTPUT_MIN_VERSION {
 447        panic!(
 448            "wl_output below required version: {} < {}",
 449            version, WL_OUTPUT_MIN_VERSION
 450        );
 451    }
 452
 453    version.clamp(WL_OUTPUT_MIN_VERSION, WL_OUTPUT_MAX_VERSION)
 454}
 455
 456impl WaylandClient {
 457    pub(crate) fn new() -> Self {
 458        let conn = Connection::connect_to_env().unwrap();
 459
 460        let (globals, event_queue) = registry_queue_init::<WaylandClientStatePtr>(&conn).unwrap();
 461        let qh = event_queue.handle();
 462
 463        let mut seat: Option<wl_seat::WlSeat> = None;
 464        #[allow(clippy::mutable_key_type)]
 465        let mut in_progress_outputs = HashMap::default();
 466        globals.contents().with_list(|list| {
 467            for global in list {
 468                match &global.interface[..] {
 469                    "wl_seat" => {
 470                        seat = Some(globals.registry().bind::<wl_seat::WlSeat, _, _>(
 471                            global.name,
 472                            wl_seat_version(global.version),
 473                            &qh,
 474                            (),
 475                        ));
 476                    }
 477                    "wl_output" => {
 478                        let output = globals.registry().bind::<wl_output::WlOutput, _, _>(
 479                            global.name,
 480                            wl_output_version(global.version),
 481                            &qh,
 482                            (),
 483                        );
 484                        in_progress_outputs.insert(output.id(), InProgressOutput::default());
 485                    }
 486                    _ => {}
 487                }
 488            }
 489        });
 490
 491        let event_loop = EventLoop::<WaylandClientStatePtr>::try_new().unwrap();
 492
 493        let (common, main_receiver) = LinuxCommon::new(event_loop.get_signal());
 494
 495        let handle = event_loop.handle();
 496        handle
 497            .insert_source(main_receiver, {
 498                let handle = handle.clone();
 499                move |event, _, _: &mut WaylandClientStatePtr| {
 500                    if let calloop::channel::Event::Msg(runnable) = event {
 501                        handle.insert_idle(|_| {
 502                            let start = Instant::now();
 503                            let location = runnable.metadata().location;
 504                            let mut timing = TaskTiming {
 505                                location,
 506                                start,
 507                                end: None,
 508                            };
 509                            profiler::add_task_timing(timing);
 510
 511                            runnable.run();
 512
 513                            let end = Instant::now();
 514                            timing.end = Some(end);
 515                            profiler::add_task_timing(timing);
 516                        });
 517                    }
 518                }
 519            })
 520            .unwrap();
 521
 522        let compositor_gpu = detect_compositor_gpu();
 523        let gpu_context = Rc::new(RefCell::new(None));
 524
 525        let seat = seat.unwrap();
 526        let globals = Globals::new(
 527            globals,
 528            common.foreground_executor.clone(),
 529            qh.clone(),
 530            seat.clone(),
 531        );
 532
 533        let data_device = globals
 534            .data_device_manager
 535            .as_ref()
 536            .map(|data_device_manager| data_device_manager.get_data_device(&seat, &qh, ()));
 537
 538        let primary_selection = globals
 539            .primary_selection_manager
 540            .as_ref()
 541            .map(|primary_selection_manager| primary_selection_manager.get_device(&seat, &qh, ()));
 542
 543        let cursor = Cursor::new(&conn, &globals, 24);
 544
 545        handle
 546            .insert_source(XDPEventSource::new(&common.background_executor), {
 547                move |event, _, client| match event {
 548                    XDPEvent::WindowAppearance(appearance) => {
 549                        if let Some(client) = client.0.upgrade() {
 550                            let mut client = client.borrow_mut();
 551
 552                            client.common.appearance = appearance;
 553
 554                            for window in client.windows.values_mut() {
 555                                window.set_appearance(appearance);
 556                            }
 557                        }
 558                    }
 559                    XDPEvent::CursorTheme(theme) => {
 560                        if let Some(client) = client.0.upgrade() {
 561                            let mut client = client.borrow_mut();
 562                            client.cursor.set_theme(theme);
 563                        }
 564                    }
 565                    XDPEvent::CursorSize(size) => {
 566                        if let Some(client) = client.0.upgrade() {
 567                            let mut client = client.borrow_mut();
 568                            client.cursor.set_size(size);
 569                        }
 570                    }
 571                }
 572            })
 573            .unwrap();
 574
 575        let state = Rc::new(RefCell::new(WaylandClientState {
 576            serial_tracker: SerialTracker::new(),
 577            globals,
 578            gpu_context,
 579            compositor_gpu,
 580            wl_seat: seat,
 581            wl_pointer: None,
 582            wl_keyboard: None,
 583            cursor_shape_device: None,
 584            data_device,
 585            primary_selection,
 586            text_input: None,
 587            pre_edit_text: None,
 588            ime_pre_edit: None,
 589            composing: false,
 590            outputs: HashMap::default(),
 591            in_progress_outputs,
 592            windows: HashMap::default(),
 593            common,
 594            keyboard_layout: LinuxKeyboardLayout::new(UNKNOWN_KEYBOARD_LAYOUT_NAME),
 595            keymap_state: None,
 596            compose_state: None,
 597            drag: DragState {
 598                data_offer: None,
 599                window: None,
 600                position: Point::default(),
 601            },
 602            click: ClickState {
 603                last_click: Instant::now(),
 604                last_mouse_button: None,
 605                last_location: Point::default(),
 606                current_count: 0,
 607            },
 608            repeat: KeyRepeat {
 609                characters_per_second: 16,
 610                delay: Duration::from_millis(500),
 611                current_id: 0,
 612                current_keycode: None,
 613            },
 614            modifiers: Modifiers {
 615                shift: false,
 616                control: false,
 617                alt: false,
 618                function: false,
 619                platform: false,
 620            },
 621            capslock: Capslock { on: false },
 622            scroll_event_received: false,
 623            axis_source: AxisSource::Wheel,
 624            mouse_location: None,
 625            continuous_scroll_delta: None,
 626            discrete_scroll_delta: None,
 627            vertical_modifier: -1.0,
 628            horizontal_modifier: -1.0,
 629            button_pressed: None,
 630            mouse_focused_window: None,
 631            keyboard_focused_window: None,
 632            loop_handle: handle.clone(),
 633            enter_token: None,
 634            cursor_style: None,
 635            clipboard: Clipboard::new(conn.clone(), handle.clone()),
 636            data_offers: Vec::new(),
 637            primary_data_offer: None,
 638            cursor,
 639            pending_activation: None,
 640            event_loop: Some(event_loop),
 641        }));
 642
 643        WaylandSource::new(conn, event_queue)
 644            .insert(handle)
 645            .unwrap();
 646
 647        Self(state)
 648    }
 649}
 650
 651impl LinuxClient for WaylandClient {
 652    fn keyboard_layout(&self) -> Box<dyn PlatformKeyboardLayout> {
 653        Box::new(self.0.borrow().keyboard_layout.clone())
 654    }
 655
 656    fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>> {
 657        self.0
 658            .borrow()
 659            .outputs
 660            .iter()
 661            .map(|(id, output)| {
 662                Rc::new(WaylandDisplay {
 663                    id: id.clone(),
 664                    name: output.name.clone(),
 665                    bounds: output.bounds.to_pixels(output.scale as f32),
 666                }) as Rc<dyn PlatformDisplay>
 667            })
 668            .collect()
 669    }
 670
 671    fn display(&self, id: DisplayId) -> Option<Rc<dyn PlatformDisplay>> {
 672        self.0
 673            .borrow()
 674            .outputs
 675            .iter()
 676            .find_map(|(object_id, output)| {
 677                (object_id.protocol_id() == u32::from(id)).then(|| {
 678                    Rc::new(WaylandDisplay {
 679                        id: object_id.clone(),
 680                        name: output.name.clone(),
 681                        bounds: output.bounds.to_pixels(output.scale as f32),
 682                    }) as Rc<dyn PlatformDisplay>
 683                })
 684            })
 685    }
 686
 687    fn primary_display(&self) -> Option<Rc<dyn PlatformDisplay>> {
 688        None
 689    }
 690
 691    #[cfg(feature = "screen-capture")]
 692    fn is_screen_capture_supported(&self) -> bool {
 693        false
 694    }
 695
 696    #[cfg(feature = "screen-capture")]
 697    fn screen_capture_sources(
 698        &self,
 699    ) -> futures::channel::oneshot::Receiver<anyhow::Result<Vec<Rc<dyn gpui::ScreenCaptureSource>>>>
 700    {
 701        // TODO: Get screen capture working on wayland. Be sure to try window resizing as that may
 702        // be tricky.
 703        //
 704        // start_scap_default_target_source()
 705        let (sources_tx, sources_rx) = futures::channel::oneshot::channel();
 706        sources_tx
 707            .send(Err(anyhow::anyhow!(
 708                "Wayland screen capture not yet implemented."
 709            )))
 710            .ok();
 711        sources_rx
 712    }
 713
 714    fn open_window(
 715        &self,
 716        handle: AnyWindowHandle,
 717        params: WindowParams,
 718    ) -> anyhow::Result<Box<dyn PlatformWindow>> {
 719        let mut state = self.0.borrow_mut();
 720
 721        let parent = state.keyboard_focused_window.clone();
 722
 723        let appearance = state.common.appearance;
 724        let compositor_gpu = state.compositor_gpu.take();
 725        let (window, surface_id) = WaylandWindow::new(
 726            handle,
 727            state.globals.clone(),
 728            state.gpu_context.clone(),
 729            compositor_gpu,
 730            WaylandClientStatePtr(Rc::downgrade(&self.0)),
 731            params,
 732            appearance,
 733            parent,
 734        )?;
 735        state.windows.insert(surface_id, window.0.clone());
 736
 737        Ok(Box::new(window))
 738    }
 739
 740    fn set_cursor_style(&self, style: CursorStyle) {
 741        let mut state = self.0.borrow_mut();
 742
 743        let need_update = state.cursor_style != Some(style)
 744            && (state.mouse_focused_window.is_none()
 745                || state
 746                    .mouse_focused_window
 747                    .as_ref()
 748                    .is_some_and(|w| !w.is_blocked()));
 749
 750        if need_update {
 751            let serial = state.serial_tracker.get(SerialKind::MouseEnter);
 752            state.cursor_style = Some(style);
 753
 754            if let CursorStyle::None = style {
 755                let wl_pointer = state
 756                    .wl_pointer
 757                    .clone()
 758                    .expect("window is focused by pointer");
 759                wl_pointer.set_cursor(serial, None, 0, 0);
 760            } else if let Some(cursor_shape_device) = &state.cursor_shape_device {
 761                cursor_shape_device.set_shape(serial, to_shape(style));
 762            } else if let Some(focused_window) = &state.mouse_focused_window {
 763                // cursor-shape-v1 isn't supported, set the cursor using a surface.
 764                let wl_pointer = state
 765                    .wl_pointer
 766                    .clone()
 767                    .expect("window is focused by pointer");
 768                let scale = focused_window.primary_output_scale();
 769                state.cursor.set_icon(
 770                    &wl_pointer,
 771                    serial,
 772                    cursor_style_to_icon_names(style),
 773                    scale,
 774                );
 775            }
 776        }
 777    }
 778
 779    fn open_uri(&self, uri: &str) {
 780        let mut state = self.0.borrow_mut();
 781        if let (Some(activation), Some(window)) = (
 782            state.globals.activation.clone(),
 783            state.mouse_focused_window.clone(),
 784        ) {
 785            state.pending_activation = Some(PendingActivation::Uri(uri.to_string()));
 786            let token = activation.get_activation_token(&state.globals.qh, ());
 787            let serial = state.serial_tracker.get(SerialKind::MousePress);
 788            token.set_serial(serial, &state.wl_seat);
 789            token.set_surface(&window.surface());
 790            token.commit();
 791        } else {
 792            let executor = state.common.background_executor.clone();
 793            open_uri_internal(executor, uri, None);
 794        }
 795    }
 796
 797    fn reveal_path(&self, path: PathBuf) {
 798        let mut state = self.0.borrow_mut();
 799        if let (Some(activation), Some(window)) = (
 800            state.globals.activation.clone(),
 801            state.mouse_focused_window.clone(),
 802        ) {
 803            state.pending_activation = Some(PendingActivation::Path(path));
 804            let token = activation.get_activation_token(&state.globals.qh, ());
 805            let serial = state.serial_tracker.get(SerialKind::MousePress);
 806            token.set_serial(serial, &state.wl_seat);
 807            token.set_surface(&window.surface());
 808            token.commit();
 809        } else {
 810            let executor = state.common.background_executor.clone();
 811            reveal_path_internal(executor, path, None);
 812        }
 813    }
 814
 815    fn with_common<R>(&self, f: impl FnOnce(&mut LinuxCommon) -> R) -> R {
 816        f(&mut self.0.borrow_mut().common)
 817    }
 818
 819    fn run(&self) {
 820        let mut event_loop = self
 821            .0
 822            .borrow_mut()
 823            .event_loop
 824            .take()
 825            .expect("App is already running");
 826
 827        event_loop
 828            .run(
 829                None,
 830                &mut WaylandClientStatePtr(Rc::downgrade(&self.0)),
 831                |_| {},
 832            )
 833            .log_err();
 834    }
 835
 836    fn write_to_primary(&self, item: gpui::ClipboardItem) {
 837        let mut state = self.0.borrow_mut();
 838        let (Some(primary_selection_manager), Some(primary_selection)) = (
 839            state.globals.primary_selection_manager.clone(),
 840            state.primary_selection.clone(),
 841        ) else {
 842            return;
 843        };
 844        if state.mouse_focused_window.is_some() || state.keyboard_focused_window.is_some() {
 845            state.clipboard.set_primary(item);
 846            let serial = state.serial_tracker.get(SerialKind::KeyPress);
 847            let data_source = primary_selection_manager.create_source(&state.globals.qh, ());
 848            for mime_type in TEXT_MIME_TYPES {
 849                data_source.offer(mime_type.to_string());
 850            }
 851            data_source.offer(state.clipboard.self_mime());
 852            primary_selection.set_selection(Some(&data_source), serial);
 853        }
 854    }
 855
 856    fn write_to_clipboard(&self, item: gpui::ClipboardItem) {
 857        let mut state = self.0.borrow_mut();
 858        let (Some(data_device_manager), Some(data_device)) = (
 859            state.globals.data_device_manager.clone(),
 860            state.data_device.clone(),
 861        ) else {
 862            return;
 863        };
 864        if state.mouse_focused_window.is_some() || state.keyboard_focused_window.is_some() {
 865            state.clipboard.set(item);
 866            let serial = state.serial_tracker.get(SerialKind::KeyPress);
 867            let data_source = data_device_manager.create_data_source(&state.globals.qh, ());
 868            for mime_type in TEXT_MIME_TYPES {
 869                data_source.offer(mime_type.to_string());
 870            }
 871            data_source.offer(state.clipboard.self_mime());
 872            data_device.set_selection(Some(&data_source), serial);
 873        }
 874    }
 875
 876    fn read_from_primary(&self) -> Option<gpui::ClipboardItem> {
 877        self.0.borrow_mut().clipboard.read_primary()
 878    }
 879
 880    fn read_from_clipboard(&self) -> Option<gpui::ClipboardItem> {
 881        self.0.borrow_mut().clipboard.read()
 882    }
 883
 884    fn active_window(&self) -> Option<AnyWindowHandle> {
 885        self.0
 886            .borrow_mut()
 887            .keyboard_focused_window
 888            .as_ref()
 889            .map(|window| window.handle())
 890    }
 891
 892    fn window_stack(&self) -> Option<Vec<AnyWindowHandle>> {
 893        None
 894    }
 895
 896    fn compositor_name(&self) -> &'static str {
 897        "Wayland"
 898    }
 899
 900    fn window_identifier(&self) -> impl Future<Output = Option<WindowIdentifier>> + Send + 'static {
 901        async fn inner(surface: Option<wl_surface::WlSurface>) -> Option<WindowIdentifier> {
 902            if let Some(surface) = surface {
 903                ashpd::WindowIdentifier::from_wayland(&surface).await
 904            } else {
 905                None
 906            }
 907        }
 908
 909        let client_state = self.0.borrow();
 910        let active_window = client_state.keyboard_focused_window.as_ref();
 911        inner(active_window.map(|aw| aw.surface()))
 912    }
 913}
 914
 915struct DmabufProbeState {
 916    device: Option<u64>,
 917}
 918
 919impl Dispatch<wl_registry::WlRegistry, GlobalListContents> for DmabufProbeState {
 920    fn event(
 921        _: &mut Self,
 922        _: &wl_registry::WlRegistry,
 923        _: wl_registry::Event,
 924        _: &GlobalListContents,
 925        _: &Connection,
 926        _: &QueueHandle<Self>,
 927    ) {
 928    }
 929}
 930
 931impl Dispatch<zwp_linux_dmabuf_v1::ZwpLinuxDmabufV1, ()> for DmabufProbeState {
 932    fn event(
 933        _: &mut Self,
 934        _: &zwp_linux_dmabuf_v1::ZwpLinuxDmabufV1,
 935        _: zwp_linux_dmabuf_v1::Event,
 936        _: &(),
 937        _: &Connection,
 938        _: &QueueHandle<Self>,
 939    ) {
 940    }
 941}
 942
 943impl Dispatch<zwp_linux_dmabuf_feedback_v1::ZwpLinuxDmabufFeedbackV1, ()> for DmabufProbeState {
 944    fn event(
 945        state: &mut Self,
 946        _: &zwp_linux_dmabuf_feedback_v1::ZwpLinuxDmabufFeedbackV1,
 947        event: zwp_linux_dmabuf_feedback_v1::Event,
 948        _: &(),
 949        _: &Connection,
 950        _: &QueueHandle<Self>,
 951    ) {
 952        if let zwp_linux_dmabuf_feedback_v1::Event::MainDevice { device } = event {
 953            if let Ok(bytes) = <[u8; 8]>::try_from(device.as_slice()) {
 954                state.device = Some(u64::from_ne_bytes(bytes));
 955            }
 956        }
 957    }
 958}
 959
 960fn detect_compositor_gpu() -> Option<CompositorGpuHint> {
 961    let connection = Connection::connect_to_env().ok()?;
 962    let (globals, mut event_queue) = registry_queue_init::<DmabufProbeState>(&connection).ok()?;
 963    let queue_handle = event_queue.handle();
 964
 965    let dmabuf: zwp_linux_dmabuf_v1::ZwpLinuxDmabufV1 =
 966        globals.bind(&queue_handle, 4..=4, ()).ok()?;
 967    let feedback = dmabuf.get_default_feedback(&queue_handle, ());
 968
 969    let mut state = DmabufProbeState { device: None };
 970
 971    event_queue.roundtrip(&mut state).ok()?;
 972
 973    feedback.destroy();
 974    dmabuf.destroy();
 975
 976    crate::linux::compositor_gpu_hint_from_dev_t(state.device?)
 977}
 978
 979impl Dispatch<wl_registry::WlRegistry, GlobalListContents> for WaylandClientStatePtr {
 980    fn event(
 981        this: &mut Self,
 982        registry: &wl_registry::WlRegistry,
 983        event: wl_registry::Event,
 984        _: &GlobalListContents,
 985        _: &Connection,
 986        qh: &QueueHandle<Self>,
 987    ) {
 988        let client = this.get_client();
 989        let mut state = client.borrow_mut();
 990
 991        match event {
 992            wl_registry::Event::Global {
 993                name,
 994                interface,
 995                version,
 996            } => match &interface[..] {
 997                "wl_seat" => {
 998                    if let Some(wl_pointer) = state.wl_pointer.take() {
 999                        wl_pointer.release();
1000                    }
1001                    if let Some(wl_keyboard) = state.wl_keyboard.take() {
1002                        wl_keyboard.release();
1003                    }
1004                    state.wl_seat.release();
1005                    state.wl_seat = registry.bind::<wl_seat::WlSeat, _, _>(
1006                        name,
1007                        wl_seat_version(version),
1008                        qh,
1009                        (),
1010                    );
1011                }
1012                "wl_output" => {
1013                    let output = registry.bind::<wl_output::WlOutput, _, _>(
1014                        name,
1015                        wl_output_version(version),
1016                        qh,
1017                        (),
1018                    );
1019
1020                    state
1021                        .in_progress_outputs
1022                        .insert(output.id(), InProgressOutput::default());
1023                }
1024                _ => {}
1025            },
1026            wl_registry::Event::GlobalRemove { name: _ } => {
1027                // TODO: handle global removal
1028            }
1029            _ => {}
1030        }
1031    }
1032}
1033
1034delegate_noop!(WaylandClientStatePtr: ignore xdg_activation_v1::XdgActivationV1);
1035delegate_noop!(WaylandClientStatePtr: ignore wl_compositor::WlCompositor);
1036delegate_noop!(WaylandClientStatePtr: ignore wp_cursor_shape_device_v1::WpCursorShapeDeviceV1);
1037delegate_noop!(WaylandClientStatePtr: ignore wp_cursor_shape_manager_v1::WpCursorShapeManagerV1);
1038delegate_noop!(WaylandClientStatePtr: ignore wl_data_device_manager::WlDataDeviceManager);
1039delegate_noop!(WaylandClientStatePtr: ignore zwp_primary_selection_device_manager_v1::ZwpPrimarySelectionDeviceManagerV1);
1040delegate_noop!(WaylandClientStatePtr: ignore wl_shm::WlShm);
1041delegate_noop!(WaylandClientStatePtr: ignore wl_shm_pool::WlShmPool);
1042delegate_noop!(WaylandClientStatePtr: ignore wl_buffer::WlBuffer);
1043delegate_noop!(WaylandClientStatePtr: ignore wl_region::WlRegion);
1044delegate_noop!(WaylandClientStatePtr: ignore wp_fractional_scale_manager_v1::WpFractionalScaleManagerV1);
1045delegate_noop!(WaylandClientStatePtr: ignore zxdg_decoration_manager_v1::ZxdgDecorationManagerV1);
1046delegate_noop!(WaylandClientStatePtr: ignore zwlr_layer_shell_v1::ZwlrLayerShellV1);
1047delegate_noop!(WaylandClientStatePtr: ignore org_kde_kwin_blur_manager::OrgKdeKwinBlurManager);
1048delegate_noop!(WaylandClientStatePtr: ignore zwp_text_input_manager_v3::ZwpTextInputManagerV3);
1049delegate_noop!(WaylandClientStatePtr: ignore org_kde_kwin_blur::OrgKdeKwinBlur);
1050delegate_noop!(WaylandClientStatePtr: ignore wp_viewporter::WpViewporter);
1051delegate_noop!(WaylandClientStatePtr: ignore wp_viewport::WpViewport);
1052
1053impl Dispatch<WlCallback, ObjectId> for WaylandClientStatePtr {
1054    fn event(
1055        state: &mut WaylandClientStatePtr,
1056        _: &wl_callback::WlCallback,
1057        event: wl_callback::Event,
1058        surface_id: &ObjectId,
1059        _: &Connection,
1060        _: &QueueHandle<Self>,
1061    ) {
1062        let client = state.get_client();
1063        let mut state = client.borrow_mut();
1064        let Some(window) = get_window(&mut state, surface_id) else {
1065            return;
1066        };
1067        drop(state);
1068
1069        if let wl_callback::Event::Done { .. } = event {
1070            window.frame();
1071        }
1072    }
1073}
1074
1075pub(crate) fn get_window(
1076    state: &mut RefMut<WaylandClientState>,
1077    surface_id: &ObjectId,
1078) -> Option<WaylandWindowStatePtr> {
1079    state.windows.get(surface_id).cloned()
1080}
1081
1082impl Dispatch<wl_surface::WlSurface, ()> for WaylandClientStatePtr {
1083    fn event(
1084        this: &mut Self,
1085        surface: &wl_surface::WlSurface,
1086        event: <wl_surface::WlSurface as Proxy>::Event,
1087        _: &(),
1088        _: &Connection,
1089        _: &QueueHandle<Self>,
1090    ) {
1091        let client = this.get_client();
1092        let mut state = client.borrow_mut();
1093
1094        let Some(window) = get_window(&mut state, &surface.id()) else {
1095            return;
1096        };
1097        #[allow(clippy::mutable_key_type)]
1098        let outputs = state.outputs.clone();
1099        drop(state);
1100
1101        window.handle_surface_event(event, outputs);
1102    }
1103}
1104
1105impl Dispatch<wl_output::WlOutput, ()> for WaylandClientStatePtr {
1106    fn event(
1107        this: &mut Self,
1108        output: &wl_output::WlOutput,
1109        event: <wl_output::WlOutput as Proxy>::Event,
1110        _: &(),
1111        _: &Connection,
1112        _: &QueueHandle<Self>,
1113    ) {
1114        let client = this.get_client();
1115        let mut state = client.borrow_mut();
1116
1117        let Some(in_progress_output) = state.in_progress_outputs.get_mut(&output.id()) else {
1118            return;
1119        };
1120
1121        match event {
1122            wl_output::Event::Name { name } => {
1123                in_progress_output.name = Some(name);
1124            }
1125            wl_output::Event::Scale { factor } => {
1126                in_progress_output.scale = Some(factor);
1127            }
1128            wl_output::Event::Geometry { x, y, .. } => {
1129                in_progress_output.position = Some(point(DevicePixels(x), DevicePixels(y)))
1130            }
1131            wl_output::Event::Mode { width, height, .. } => {
1132                in_progress_output.size = Some(size(DevicePixels(width), DevicePixels(height)))
1133            }
1134            wl_output::Event::Done => {
1135                if let Some(complete) = in_progress_output.complete() {
1136                    state.outputs.insert(output.id(), complete);
1137                }
1138                state.in_progress_outputs.remove(&output.id());
1139            }
1140            _ => {}
1141        }
1142    }
1143}
1144
1145impl Dispatch<xdg_surface::XdgSurface, ObjectId> for WaylandClientStatePtr {
1146    fn event(
1147        state: &mut Self,
1148        _: &xdg_surface::XdgSurface,
1149        event: xdg_surface::Event,
1150        surface_id: &ObjectId,
1151        _: &Connection,
1152        _: &QueueHandle<Self>,
1153    ) {
1154        let client = state.get_client();
1155        let mut state = client.borrow_mut();
1156        let Some(window) = get_window(&mut state, surface_id) else {
1157            return;
1158        };
1159        drop(state);
1160        window.handle_xdg_surface_event(event);
1161    }
1162}
1163
1164impl Dispatch<xdg_toplevel::XdgToplevel, ObjectId> for WaylandClientStatePtr {
1165    fn event(
1166        this: &mut Self,
1167        _: &xdg_toplevel::XdgToplevel,
1168        event: <xdg_toplevel::XdgToplevel as Proxy>::Event,
1169        surface_id: &ObjectId,
1170        _: &Connection,
1171        _: &QueueHandle<Self>,
1172    ) {
1173        let client = this.get_client();
1174        let mut state = client.borrow_mut();
1175        let Some(window) = get_window(&mut state, surface_id) else {
1176            return;
1177        };
1178
1179        drop(state);
1180        let should_close = window.handle_toplevel_event(event);
1181
1182        if should_close {
1183            // The close logic will be handled in drop_window()
1184            window.close();
1185        }
1186    }
1187}
1188
1189impl Dispatch<zwlr_layer_surface_v1::ZwlrLayerSurfaceV1, ObjectId> for WaylandClientStatePtr {
1190    fn event(
1191        this: &mut Self,
1192        _: &zwlr_layer_surface_v1::ZwlrLayerSurfaceV1,
1193        event: <zwlr_layer_surface_v1::ZwlrLayerSurfaceV1 as Proxy>::Event,
1194        surface_id: &ObjectId,
1195        _: &Connection,
1196        _: &QueueHandle<Self>,
1197    ) {
1198        let client = this.get_client();
1199        let mut state = client.borrow_mut();
1200        let Some(window) = get_window(&mut state, surface_id) else {
1201            return;
1202        };
1203
1204        drop(state);
1205        let should_close = window.handle_layersurface_event(event);
1206
1207        if should_close {
1208            // The close logic will be handled in drop_window()
1209            window.close();
1210        }
1211    }
1212}
1213
1214impl Dispatch<xdg_wm_base::XdgWmBase, ()> for WaylandClientStatePtr {
1215    fn event(
1216        _: &mut Self,
1217        wm_base: &xdg_wm_base::XdgWmBase,
1218        event: <xdg_wm_base::XdgWmBase as Proxy>::Event,
1219        _: &(),
1220        _: &Connection,
1221        _: &QueueHandle<Self>,
1222    ) {
1223        if let xdg_wm_base::Event::Ping { serial } = event {
1224            wm_base.pong(serial);
1225        }
1226    }
1227}
1228
1229impl Dispatch<xdg_activation_token_v1::XdgActivationTokenV1, ()> for WaylandClientStatePtr {
1230    fn event(
1231        this: &mut Self,
1232        token: &xdg_activation_token_v1::XdgActivationTokenV1,
1233        event: <xdg_activation_token_v1::XdgActivationTokenV1 as Proxy>::Event,
1234        _: &(),
1235        _: &Connection,
1236        _: &QueueHandle<Self>,
1237    ) {
1238        let client = this.get_client();
1239        let mut state = client.borrow_mut();
1240
1241        if let xdg_activation_token_v1::Event::Done { token } = event {
1242            let executor = state.common.background_executor.clone();
1243            match state.pending_activation.take() {
1244                Some(PendingActivation::Uri(uri)) => open_uri_internal(executor, &uri, Some(token)),
1245                Some(PendingActivation::Path(path)) => {
1246                    reveal_path_internal(executor, path, Some(token))
1247                }
1248                Some(PendingActivation::Window(window)) => {
1249                    let Some(window) = get_window(&mut state, &window) else {
1250                        return;
1251                    };
1252                    let activation = state.globals.activation.as_ref().unwrap();
1253                    activation.activate(token, &window.surface());
1254                }
1255                None => log::error!("activation token received with no pending activation"),
1256            }
1257        }
1258
1259        token.destroy();
1260    }
1261}
1262
1263impl Dispatch<wl_seat::WlSeat, ()> for WaylandClientStatePtr {
1264    fn event(
1265        state: &mut Self,
1266        seat: &wl_seat::WlSeat,
1267        event: wl_seat::Event,
1268        _: &(),
1269        _: &Connection,
1270        qh: &QueueHandle<Self>,
1271    ) {
1272        if let wl_seat::Event::Capabilities {
1273            capabilities: WEnum::Value(capabilities),
1274        } = event
1275        {
1276            let client = state.get_client();
1277            let mut state = client.borrow_mut();
1278            if capabilities.contains(wl_seat::Capability::Keyboard) {
1279                let keyboard = seat.get_keyboard(qh, ());
1280
1281                if let Some(text_input) = state.text_input.take() {
1282                    text_input.destroy();
1283                    state.ime_pre_edit = None;
1284                    state.composing = false;
1285                }
1286
1287                state.text_input = state
1288                    .globals
1289                    .text_input_manager
1290                    .as_ref()
1291                    .map(|text_input_manager| text_input_manager.get_text_input(seat, qh, ()));
1292
1293                if let Some(wl_keyboard) = &state.wl_keyboard {
1294                    wl_keyboard.release();
1295                }
1296
1297                state.wl_keyboard = Some(keyboard);
1298            }
1299            if capabilities.contains(wl_seat::Capability::Pointer) {
1300                let pointer = seat.get_pointer(qh, ());
1301
1302                if let Some(cursor_shape_device) = state.cursor_shape_device.take() {
1303                    cursor_shape_device.destroy();
1304                }
1305
1306                state.cursor_shape_device = state
1307                    .globals
1308                    .cursor_shape_manager
1309                    .as_ref()
1310                    .map(|cursor_shape_manager| cursor_shape_manager.get_pointer(&pointer, qh, ()));
1311
1312                if let Some(wl_pointer) = &state.wl_pointer {
1313                    wl_pointer.release();
1314                }
1315
1316                state.wl_pointer = Some(pointer);
1317            }
1318        }
1319    }
1320}
1321
1322impl Dispatch<wl_keyboard::WlKeyboard, ()> for WaylandClientStatePtr {
1323    fn event(
1324        this: &mut Self,
1325        _: &wl_keyboard::WlKeyboard,
1326        event: wl_keyboard::Event,
1327        _: &(),
1328        _: &Connection,
1329        _: &QueueHandle<Self>,
1330    ) {
1331        let client = this.get_client();
1332        let mut state = client.borrow_mut();
1333        match event {
1334            wl_keyboard::Event::RepeatInfo { rate, delay } => {
1335                state.repeat.characters_per_second = rate as u32;
1336                state.repeat.delay = Duration::from_millis(delay as u64);
1337            }
1338            wl_keyboard::Event::Keymap {
1339                format: WEnum::Value(format),
1340                fd,
1341                size,
1342                ..
1343            } => {
1344                if format != wl_keyboard::KeymapFormat::XkbV1 {
1345                    log::error!("Received keymap format {:?}, expected XkbV1", format);
1346                    return;
1347                }
1348                let xkb_context = xkb::Context::new(xkb::CONTEXT_NO_FLAGS);
1349                let keymap = unsafe {
1350                    xkb::Keymap::new_from_fd(
1351                        &xkb_context,
1352                        fd,
1353                        size as usize,
1354                        XKB_KEYMAP_FORMAT_TEXT_V1,
1355                        KEYMAP_COMPILE_NO_FLAGS,
1356                    )
1357                    .log_err()
1358                    .flatten()
1359                    .expect("Failed to create keymap")
1360                };
1361                state.keymap_state = Some(xkb::State::new(&keymap));
1362                state.compose_state = get_xkb_compose_state(&xkb_context);
1363                drop(state);
1364
1365                this.handle_keyboard_layout_change();
1366            }
1367            wl_keyboard::Event::Enter { surface, .. } => {
1368                state.keyboard_focused_window = get_window(&mut state, &surface.id());
1369                state.enter_token = Some(());
1370
1371                if let Some(window) = state.keyboard_focused_window.clone() {
1372                    drop(state);
1373                    window.set_focused(true);
1374                }
1375            }
1376            wl_keyboard::Event::Leave { surface, .. } => {
1377                let keyboard_focused_window = get_window(&mut state, &surface.id());
1378                state.keyboard_focused_window = None;
1379                state.enter_token.take();
1380                // Prevent keyboard events from repeating after opening e.g. a file chooser and closing it quickly
1381                state.repeat.current_id += 1;
1382
1383                if let Some(window) = keyboard_focused_window {
1384                    if let Some(ref mut compose) = state.compose_state {
1385                        compose.reset();
1386                    }
1387                    state.pre_edit_text.take();
1388                    drop(state);
1389                    window.handle_ime(ImeInput::DeleteText);
1390                    window.set_focused(false);
1391                }
1392            }
1393            wl_keyboard::Event::Modifiers {
1394                mods_depressed,
1395                mods_latched,
1396                mods_locked,
1397                group,
1398                ..
1399            } => {
1400                let focused_window = state.keyboard_focused_window.clone();
1401
1402                let keymap_state = state.keymap_state.as_mut().unwrap();
1403                let old_layout =
1404                    keymap_state.serialize_layout(xkbcommon::xkb::STATE_LAYOUT_EFFECTIVE);
1405                keymap_state.update_mask(mods_depressed, mods_latched, mods_locked, 0, 0, group);
1406                state.modifiers = modifiers_from_xkb(keymap_state);
1407                let keymap_state = state.keymap_state.as_mut().unwrap();
1408                state.capslock = capslock_from_xkb(keymap_state);
1409
1410                let input = PlatformInput::ModifiersChanged(ModifiersChangedEvent {
1411                    modifiers: state.modifiers,
1412                    capslock: state.capslock,
1413                });
1414                drop(state);
1415
1416                if let Some(focused_window) = focused_window {
1417                    focused_window.handle_input(input);
1418                }
1419
1420                if group != old_layout {
1421                    this.handle_keyboard_layout_change();
1422                }
1423            }
1424            wl_keyboard::Event::Key {
1425                serial,
1426                key,
1427                state: WEnum::Value(key_state),
1428                ..
1429            } => {
1430                state.serial_tracker.update(SerialKind::KeyPress, serial);
1431
1432                let focused_window = state.keyboard_focused_window.clone();
1433                let Some(focused_window) = focused_window else {
1434                    return;
1435                };
1436
1437                let keymap_state = state.keymap_state.as_ref().unwrap();
1438                let keycode = Keycode::from(key + MIN_KEYCODE);
1439                let keysym = keymap_state.key_get_one_sym(keycode);
1440
1441                match key_state {
1442                    wl_keyboard::KeyState::Pressed if !keysym.is_modifier_key() => {
1443                        let mut keystroke =
1444                            keystroke_from_xkb(keymap_state, state.modifiers, keycode);
1445                        if let Some(mut compose) = state.compose_state.take() {
1446                            compose.feed(keysym);
1447                            match compose.status() {
1448                                xkb::Status::Composing => {
1449                                    keystroke.key_char = None;
1450                                    state.pre_edit_text =
1451                                        compose.utf8().or(keystroke_underlying_dead_key(keysym));
1452                                    let pre_edit =
1453                                        state.pre_edit_text.clone().unwrap_or(String::default());
1454                                    drop(state);
1455                                    focused_window.handle_ime(ImeInput::SetMarkedText(pre_edit));
1456                                    state = client.borrow_mut();
1457                                }
1458
1459                                xkb::Status::Composed => {
1460                                    state.pre_edit_text.take();
1461                                    keystroke.key_char = compose.utf8();
1462                                    if let Some(keysym) = compose.keysym() {
1463                                        keystroke.key = xkb::keysym_get_name(keysym);
1464                                    }
1465                                }
1466                                xkb::Status::Cancelled => {
1467                                    let pre_edit = state.pre_edit_text.take();
1468                                    let new_pre_edit = keystroke_underlying_dead_key(keysym);
1469                                    state.pre_edit_text = new_pre_edit.clone();
1470                                    drop(state);
1471                                    if let Some(pre_edit) = pre_edit {
1472                                        focused_window.handle_ime(ImeInput::InsertText(pre_edit));
1473                                    }
1474                                    if let Some(current_key) = new_pre_edit {
1475                                        focused_window
1476                                            .handle_ime(ImeInput::SetMarkedText(current_key));
1477                                    }
1478                                    compose.feed(keysym);
1479                                    state = client.borrow_mut();
1480                                }
1481                                _ => {}
1482                            }
1483                            state.compose_state = Some(compose);
1484                        }
1485                        let input = PlatformInput::KeyDown(KeyDownEvent {
1486                            keystroke: keystroke.clone(),
1487                            is_held: false,
1488                            prefer_character_input: false,
1489                        });
1490
1491                        state.repeat.current_id += 1;
1492                        state.repeat.current_keycode = Some(keycode);
1493
1494                        let rate = state.repeat.characters_per_second;
1495                        let repeat_interval = Duration::from_secs(1) / rate.max(1);
1496                        let id = state.repeat.current_id;
1497                        state
1498                            .loop_handle
1499                            .insert_source(Timer::from_duration(state.repeat.delay), {
1500                                let input = PlatformInput::KeyDown(KeyDownEvent {
1501                                    keystroke,
1502                                    is_held: true,
1503                                    prefer_character_input: false,
1504                                });
1505                                move |event_timestamp, _metadata, this| {
1506                                    let client = this.get_client();
1507                                    let state = client.borrow();
1508                                    let is_repeating = id == state.repeat.current_id
1509                                        && state.repeat.current_keycode.is_some()
1510                                        && state.keyboard_focused_window.is_some();
1511
1512                                    if !is_repeating || rate == 0 {
1513                                        return TimeoutAction::Drop;
1514                                    }
1515
1516                                    let focused_window =
1517                                        state.keyboard_focused_window.as_ref().unwrap().clone();
1518
1519                                    drop(state);
1520                                    focused_window.handle_input(input.clone());
1521
1522                                    // If the new scheduled time is in the past the event will repeat as soon as possible
1523                                    TimeoutAction::ToInstant(event_timestamp + repeat_interval)
1524                                }
1525                            })
1526                            .unwrap();
1527
1528                        drop(state);
1529                        focused_window.handle_input(input);
1530                    }
1531                    wl_keyboard::KeyState::Released if !keysym.is_modifier_key() => {
1532                        let input = PlatformInput::KeyUp(KeyUpEvent {
1533                            keystroke: keystroke_from_xkb(keymap_state, state.modifiers, keycode),
1534                        });
1535
1536                        if state.repeat.current_keycode == Some(keycode) {
1537                            state.repeat.current_keycode = None;
1538                        }
1539
1540                        drop(state);
1541                        focused_window.handle_input(input);
1542                    }
1543                    _ => {}
1544                }
1545            }
1546            _ => {}
1547        }
1548    }
1549}
1550
1551impl Dispatch<zwp_text_input_v3::ZwpTextInputV3, ()> for WaylandClientStatePtr {
1552    fn event(
1553        this: &mut Self,
1554        text_input: &zwp_text_input_v3::ZwpTextInputV3,
1555        event: <zwp_text_input_v3::ZwpTextInputV3 as Proxy>::Event,
1556        _: &(),
1557        _: &Connection,
1558        _: &QueueHandle<Self>,
1559    ) {
1560        let client = this.get_client();
1561        let mut state = client.borrow_mut();
1562        match event {
1563            zwp_text_input_v3::Event::Enter { .. } => {
1564                drop(state);
1565                this.enable_ime();
1566            }
1567            zwp_text_input_v3::Event::Leave { .. } => {
1568                drop(state);
1569                this.disable_ime();
1570            }
1571            zwp_text_input_v3::Event::CommitString { text } => {
1572                state.composing = false;
1573                let Some(window) = state.keyboard_focused_window.clone() else {
1574                    return;
1575                };
1576
1577                if let Some(commit_text) = text {
1578                    drop(state);
1579                    // IBus Intercepts keys like `a`, `b`, but those keys are needed for vim mode.
1580                    // We should only send ASCII characters to Zed, otherwise a user could remap a letter like `か` or `相`.
1581                    if commit_text.len() == 1 {
1582                        window.handle_input(PlatformInput::KeyDown(KeyDownEvent {
1583                            keystroke: Keystroke {
1584                                modifiers: Modifiers::default(),
1585                                key: commit_text.clone(),
1586                                key_char: Some(commit_text),
1587                            },
1588                            is_held: false,
1589                            prefer_character_input: false,
1590                        }));
1591                    } else {
1592                        window.handle_ime(ImeInput::InsertText(commit_text));
1593                    }
1594                }
1595            }
1596            zwp_text_input_v3::Event::PreeditString { text, .. } => {
1597                state.composing = true;
1598                state.ime_pre_edit = text;
1599            }
1600            zwp_text_input_v3::Event::Done { serial } => {
1601                let last_serial = state.serial_tracker.get(SerialKind::InputMethod);
1602                state.serial_tracker.update(SerialKind::InputMethod, serial);
1603                let Some(window) = state.keyboard_focused_window.clone() else {
1604                    return;
1605                };
1606
1607                if let Some(text) = state.ime_pre_edit.take() {
1608                    drop(state);
1609                    window.handle_ime(ImeInput::SetMarkedText(text));
1610                    if let Some(area) = window.get_ime_area() {
1611                        text_input.set_cursor_rectangle(
1612                            f32::from(area.origin.x) as i32,
1613                            f32::from(area.origin.y) as i32,
1614                            f32::from(area.size.width) as i32,
1615                            f32::from(area.size.height) as i32,
1616                        );
1617                        if last_serial == serial {
1618                            text_input.commit();
1619                        }
1620                    }
1621                } else {
1622                    state.composing = false;
1623                    drop(state);
1624                    window.handle_ime(ImeInput::DeleteText);
1625                }
1626            }
1627            _ => {}
1628        }
1629    }
1630}
1631
1632fn linux_button_to_gpui(button: u32) -> Option<MouseButton> {
1633    // These values are coming from <linux/input-event-codes.h>.
1634    const BTN_LEFT: u32 = 0x110;
1635    const BTN_RIGHT: u32 = 0x111;
1636    const BTN_MIDDLE: u32 = 0x112;
1637    const BTN_SIDE: u32 = 0x113;
1638    const BTN_EXTRA: u32 = 0x114;
1639    const BTN_FORWARD: u32 = 0x115;
1640    const BTN_BACK: u32 = 0x116;
1641
1642    Some(match button {
1643        BTN_LEFT => MouseButton::Left,
1644        BTN_RIGHT => MouseButton::Right,
1645        BTN_MIDDLE => MouseButton::Middle,
1646        BTN_BACK | BTN_SIDE => MouseButton::Navigate(NavigationDirection::Back),
1647        BTN_FORWARD | BTN_EXTRA => MouseButton::Navigate(NavigationDirection::Forward),
1648        _ => return None,
1649    })
1650}
1651
1652impl Dispatch<wl_pointer::WlPointer, ()> for WaylandClientStatePtr {
1653    fn event(
1654        this: &mut Self,
1655        wl_pointer: &wl_pointer::WlPointer,
1656        event: wl_pointer::Event,
1657        _: &(),
1658        _: &Connection,
1659        _: &QueueHandle<Self>,
1660    ) {
1661        let client = this.get_client();
1662        let mut state = client.borrow_mut();
1663
1664        match event {
1665            wl_pointer::Event::Enter {
1666                serial,
1667                surface,
1668                surface_x,
1669                surface_y,
1670                ..
1671            } => {
1672                state.serial_tracker.update(SerialKind::MouseEnter, serial);
1673                state.mouse_location = Some(point(px(surface_x as f32), px(surface_y as f32)));
1674                state.button_pressed = None;
1675
1676                if let Some(window) = get_window(&mut state, &surface.id()) {
1677                    state.mouse_focused_window = Some(window.clone());
1678
1679                    if state.enter_token.is_some() {
1680                        state.enter_token = None;
1681                    }
1682                    if let Some(style) = state.cursor_style {
1683                        if let CursorStyle::None = style {
1684                            let wl_pointer = state
1685                                .wl_pointer
1686                                .clone()
1687                                .expect("window is focused by pointer");
1688                            wl_pointer.set_cursor(serial, None, 0, 0);
1689                        } else if let Some(cursor_shape_device) = &state.cursor_shape_device {
1690                            cursor_shape_device.set_shape(serial, to_shape(style));
1691                        } else {
1692                            let scale = window.primary_output_scale();
1693                            state.cursor.set_icon(
1694                                wl_pointer,
1695                                serial,
1696                                cursor_style_to_icon_names(style),
1697                                scale,
1698                            );
1699                        }
1700                    }
1701                    drop(state);
1702                    window.set_hovered(true);
1703                }
1704            }
1705            wl_pointer::Event::Leave { .. } => {
1706                if let Some(focused_window) = state.mouse_focused_window.clone() {
1707                    let input = PlatformInput::MouseExited(MouseExitEvent {
1708                        position: state.mouse_location.unwrap(),
1709                        pressed_button: state.button_pressed,
1710                        modifiers: state.modifiers,
1711                    });
1712                    state.mouse_focused_window = None;
1713                    state.mouse_location = None;
1714                    state.button_pressed = None;
1715
1716                    drop(state);
1717                    focused_window.handle_input(input);
1718                    focused_window.set_hovered(false);
1719                }
1720            }
1721            wl_pointer::Event::Motion {
1722                surface_x,
1723                surface_y,
1724                ..
1725            } => {
1726                if state.mouse_focused_window.is_none() {
1727                    return;
1728                }
1729                state.mouse_location = Some(point(px(surface_x as f32), px(surface_y as f32)));
1730
1731                if let Some(window) = state.mouse_focused_window.clone() {
1732                    if window.is_blocked() {
1733                        let default_style = CursorStyle::Arrow;
1734                        if state.cursor_style != Some(default_style) {
1735                            let serial = state.serial_tracker.get(SerialKind::MouseEnter);
1736                            state.cursor_style = Some(default_style);
1737
1738                            if let Some(cursor_shape_device) = &state.cursor_shape_device {
1739                                cursor_shape_device.set_shape(serial, to_shape(default_style));
1740                            } else {
1741                                // cursor-shape-v1 isn't supported, set the cursor using a surface.
1742                                let wl_pointer = state
1743                                    .wl_pointer
1744                                    .clone()
1745                                    .expect("window is focused by pointer");
1746                                let scale = window.primary_output_scale();
1747                                state.cursor.set_icon(
1748                                    &wl_pointer,
1749                                    serial,
1750                                    cursor_style_to_icon_names(default_style),
1751                                    scale,
1752                                );
1753                            }
1754                        }
1755                    }
1756                    if state
1757                        .keyboard_focused_window
1758                        .as_ref()
1759                        .is_some_and(|keyboard_window| window.ptr_eq(keyboard_window))
1760                    {
1761                        state.enter_token = None;
1762                    }
1763                    let input = PlatformInput::MouseMove(MouseMoveEvent {
1764                        position: state.mouse_location.unwrap(),
1765                        pressed_button: state.button_pressed,
1766                        modifiers: state.modifiers,
1767                    });
1768                    drop(state);
1769                    window.handle_input(input);
1770                }
1771            }
1772            wl_pointer::Event::Button {
1773                serial,
1774                button,
1775                state: WEnum::Value(button_state),
1776                ..
1777            } => {
1778                state.serial_tracker.update(SerialKind::MousePress, serial);
1779                let button = linux_button_to_gpui(button);
1780                let Some(button) = button else { return };
1781                if state.mouse_focused_window.is_none() {
1782                    return;
1783                }
1784                match button_state {
1785                    wl_pointer::ButtonState::Pressed => {
1786                        if let Some(window) = state.keyboard_focused_window.clone() {
1787                            if state.composing && state.text_input.is_some() {
1788                                drop(state);
1789                                // text_input_v3 don't have something like a reset function
1790                                this.disable_ime();
1791                                this.enable_ime();
1792                                window.handle_ime(ImeInput::UnmarkText);
1793                                state = client.borrow_mut();
1794                            } else if let (Some(text), Some(compose)) =
1795                                (state.pre_edit_text.take(), state.compose_state.as_mut())
1796                            {
1797                                compose.reset();
1798                                drop(state);
1799                                window.handle_ime(ImeInput::InsertText(text));
1800                                state = client.borrow_mut();
1801                            }
1802                        }
1803                        let click_elapsed = state.click.last_click.elapsed();
1804
1805                        if click_elapsed < DOUBLE_CLICK_INTERVAL
1806                            && state
1807                                .click
1808                                .last_mouse_button
1809                                .is_some_and(|prev_button| prev_button == button)
1810                            && is_within_click_distance(
1811                                state.click.last_location,
1812                                state.mouse_location.unwrap(),
1813                            )
1814                        {
1815                            state.click.current_count += 1;
1816                        } else {
1817                            state.click.current_count = 1;
1818                        }
1819
1820                        state.click.last_click = Instant::now();
1821                        state.click.last_mouse_button = Some(button);
1822                        state.click.last_location = state.mouse_location.unwrap();
1823
1824                        state.button_pressed = Some(button);
1825
1826                        if let Some(window) = state.mouse_focused_window.clone() {
1827                            let input = PlatformInput::MouseDown(MouseDownEvent {
1828                                button,
1829                                position: state.mouse_location.unwrap(),
1830                                modifiers: state.modifiers,
1831                                click_count: state.click.current_count,
1832                                first_mouse: state.enter_token.take().is_some(),
1833                            });
1834                            drop(state);
1835                            window.handle_input(input);
1836                        }
1837                    }
1838                    wl_pointer::ButtonState::Released => {
1839                        state.button_pressed = None;
1840
1841                        if let Some(window) = state.mouse_focused_window.clone() {
1842                            let input = PlatformInput::MouseUp(MouseUpEvent {
1843                                button,
1844                                position: state.mouse_location.unwrap(),
1845                                modifiers: state.modifiers,
1846                                click_count: state.click.current_count,
1847                            });
1848                            drop(state);
1849                            window.handle_input(input);
1850                        }
1851                    }
1852                    _ => {}
1853                }
1854            }
1855
1856            // Axis Events
1857            wl_pointer::Event::AxisSource {
1858                axis_source: WEnum::Value(axis_source),
1859            } => {
1860                state.axis_source = axis_source;
1861            }
1862            wl_pointer::Event::Axis {
1863                axis: WEnum::Value(axis),
1864                value,
1865                ..
1866            } => {
1867                if state.axis_source == AxisSource::Wheel {
1868                    return;
1869                }
1870                let axis = if state.modifiers.shift {
1871                    wl_pointer::Axis::HorizontalScroll
1872                } else {
1873                    axis
1874                };
1875                let axis_modifier = match axis {
1876                    wl_pointer::Axis::VerticalScroll => state.vertical_modifier,
1877                    wl_pointer::Axis::HorizontalScroll => state.horizontal_modifier,
1878                    _ => 1.0,
1879                };
1880                state.scroll_event_received = true;
1881                let scroll_delta = state
1882                    .continuous_scroll_delta
1883                    .get_or_insert(point(px(0.0), px(0.0)));
1884                let modifier = 3.0;
1885                match axis {
1886                    wl_pointer::Axis::VerticalScroll => {
1887                        scroll_delta.y += px(value as f32 * modifier * axis_modifier);
1888                    }
1889                    wl_pointer::Axis::HorizontalScroll => {
1890                        scroll_delta.x += px(value as f32 * modifier * axis_modifier);
1891                    }
1892                    _ => unreachable!(),
1893                }
1894            }
1895            wl_pointer::Event::AxisDiscrete {
1896                axis: WEnum::Value(axis),
1897                discrete,
1898            } => {
1899                state.scroll_event_received = true;
1900                let axis = if state.modifiers.shift {
1901                    wl_pointer::Axis::HorizontalScroll
1902                } else {
1903                    axis
1904                };
1905                let axis_modifier = match axis {
1906                    wl_pointer::Axis::VerticalScroll => state.vertical_modifier,
1907                    wl_pointer::Axis::HorizontalScroll => state.horizontal_modifier,
1908                    _ => 1.0,
1909                };
1910
1911                let scroll_delta = state.discrete_scroll_delta.get_or_insert(point(0.0, 0.0));
1912                match axis {
1913                    wl_pointer::Axis::VerticalScroll => {
1914                        scroll_delta.y += discrete as f32 * axis_modifier * SCROLL_LINES;
1915                    }
1916                    wl_pointer::Axis::HorizontalScroll => {
1917                        scroll_delta.x += discrete as f32 * axis_modifier * SCROLL_LINES;
1918                    }
1919                    _ => unreachable!(),
1920                }
1921            }
1922            wl_pointer::Event::AxisValue120 {
1923                axis: WEnum::Value(axis),
1924                value120,
1925            } => {
1926                state.scroll_event_received = true;
1927                let axis = if state.modifiers.shift {
1928                    wl_pointer::Axis::HorizontalScroll
1929                } else {
1930                    axis
1931                };
1932                let axis_modifier = match axis {
1933                    wl_pointer::Axis::VerticalScroll => state.vertical_modifier,
1934                    wl_pointer::Axis::HorizontalScroll => state.horizontal_modifier,
1935                    _ => unreachable!(),
1936                };
1937
1938                let scroll_delta = state.discrete_scroll_delta.get_or_insert(point(0.0, 0.0));
1939                let wheel_percent = value120 as f32 / 120.0;
1940                match axis {
1941                    wl_pointer::Axis::VerticalScroll => {
1942                        scroll_delta.y += wheel_percent * axis_modifier * SCROLL_LINES;
1943                    }
1944                    wl_pointer::Axis::HorizontalScroll => {
1945                        scroll_delta.x += wheel_percent * axis_modifier * SCROLL_LINES;
1946                    }
1947                    _ => unreachable!(),
1948                }
1949            }
1950            wl_pointer::Event::Frame => {
1951                if state.scroll_event_received {
1952                    state.scroll_event_received = false;
1953                    let continuous = state.continuous_scroll_delta.take();
1954                    let discrete = state.discrete_scroll_delta.take();
1955                    if let Some(continuous) = continuous {
1956                        if let Some(window) = state.mouse_focused_window.clone() {
1957                            let input = PlatformInput::ScrollWheel(ScrollWheelEvent {
1958                                position: state.mouse_location.unwrap(),
1959                                delta: ScrollDelta::Pixels(continuous),
1960                                modifiers: state.modifiers,
1961                                touch_phase: TouchPhase::Moved,
1962                            });
1963                            drop(state);
1964                            window.handle_input(input);
1965                        }
1966                    } else if let Some(discrete) = discrete
1967                        && let Some(window) = state.mouse_focused_window.clone()
1968                    {
1969                        let input = PlatformInput::ScrollWheel(ScrollWheelEvent {
1970                            position: state.mouse_location.unwrap(),
1971                            delta: ScrollDelta::Lines(discrete),
1972                            modifiers: state.modifiers,
1973                            touch_phase: TouchPhase::Moved,
1974                        });
1975                        drop(state);
1976                        window.handle_input(input);
1977                    }
1978                }
1979            }
1980            _ => {}
1981        }
1982    }
1983}
1984
1985impl Dispatch<wp_fractional_scale_v1::WpFractionalScaleV1, ObjectId> for WaylandClientStatePtr {
1986    fn event(
1987        this: &mut Self,
1988        _: &wp_fractional_scale_v1::WpFractionalScaleV1,
1989        event: <wp_fractional_scale_v1::WpFractionalScaleV1 as Proxy>::Event,
1990        surface_id: &ObjectId,
1991        _: &Connection,
1992        _: &QueueHandle<Self>,
1993    ) {
1994        let client = this.get_client();
1995        let mut state = client.borrow_mut();
1996
1997        let Some(window) = get_window(&mut state, surface_id) else {
1998            return;
1999        };
2000
2001        drop(state);
2002        window.handle_fractional_scale_event(event);
2003    }
2004}
2005
2006impl Dispatch<zxdg_toplevel_decoration_v1::ZxdgToplevelDecorationV1, ObjectId>
2007    for WaylandClientStatePtr
2008{
2009    fn event(
2010        this: &mut Self,
2011        _: &zxdg_toplevel_decoration_v1::ZxdgToplevelDecorationV1,
2012        event: zxdg_toplevel_decoration_v1::Event,
2013        surface_id: &ObjectId,
2014        _: &Connection,
2015        _: &QueueHandle<Self>,
2016    ) {
2017        let client = this.get_client();
2018        let mut state = client.borrow_mut();
2019        let Some(window) = get_window(&mut state, surface_id) else {
2020            return;
2021        };
2022
2023        drop(state);
2024        window.handle_toplevel_decoration_event(event);
2025    }
2026}
2027
2028impl Dispatch<wl_data_device::WlDataDevice, ()> for WaylandClientStatePtr {
2029    fn event(
2030        this: &mut Self,
2031        _: &wl_data_device::WlDataDevice,
2032        event: wl_data_device::Event,
2033        _: &(),
2034        _: &Connection,
2035        _: &QueueHandle<Self>,
2036    ) {
2037        let client = this.get_client();
2038        let mut state = client.borrow_mut();
2039
2040        match event {
2041            // Clipboard
2042            wl_data_device::Event::DataOffer { id: data_offer } => {
2043                state.data_offers.push(DataOffer::new(data_offer));
2044                if state.data_offers.len() > 2 {
2045                    // At most we store a clipboard offer and a drag and drop offer.
2046                    state.data_offers.remove(0).inner.destroy();
2047                }
2048            }
2049            wl_data_device::Event::Selection { id: data_offer } => {
2050                if let Some(offer) = data_offer {
2051                    let offer = state
2052                        .data_offers
2053                        .iter()
2054                        .find(|wrapper| wrapper.inner.id() == offer.id());
2055                    let offer = offer.cloned();
2056                    state.clipboard.set_offer(offer);
2057                } else {
2058                    state.clipboard.set_offer(None);
2059                }
2060            }
2061
2062            // Drag and drop
2063            wl_data_device::Event::Enter {
2064                serial,
2065                surface,
2066                x,
2067                y,
2068                id: data_offer,
2069            } => {
2070                state.serial_tracker.update(SerialKind::DataDevice, serial);
2071                if let Some(data_offer) = data_offer {
2072                    let Some(drag_window) = get_window(&mut state, &surface.id()) else {
2073                        return;
2074                    };
2075
2076                    const ACTIONS: DndAction = DndAction::Copy;
2077                    data_offer.set_actions(ACTIONS, ACTIONS);
2078
2079                    let pipe = Pipe::new().unwrap();
2080                    data_offer.receive(FILE_LIST_MIME_TYPE.to_string(), unsafe {
2081                        BorrowedFd::borrow_raw(pipe.write.as_raw_fd())
2082                    });
2083                    let fd = pipe.read;
2084                    drop(pipe.write);
2085
2086                    let read_task = state.common.background_executor.spawn(async {
2087                        let buffer = unsafe { read_fd(fd)? };
2088                        let text = String::from_utf8(buffer)?;
2089                        anyhow::Ok(text)
2090                    });
2091
2092                    let this = this.clone();
2093                    state
2094                        .common
2095                        .foreground_executor
2096                        .spawn(async move {
2097                            let file_list = match read_task.await {
2098                                Ok(list) => list,
2099                                Err(err) => {
2100                                    log::error!("error reading drag and drop pipe: {err:?}");
2101                                    return;
2102                                }
2103                            };
2104
2105                            let paths: SmallVec<[_; 2]> = file_list
2106                                .lines()
2107                                .filter_map(|path| Url::parse(path).log_err())
2108                                .filter_map(|url| url.to_file_path().log_err())
2109                                .collect();
2110                            let position = Point::new(x.into(), y.into());
2111
2112                            // Prevent dropping text from other programs.
2113                            if paths.is_empty() {
2114                                data_offer.destroy();
2115                                return;
2116                            }
2117
2118                            let input = PlatformInput::FileDrop(FileDropEvent::Entered {
2119                                position,
2120                                paths: gpui::ExternalPaths(paths),
2121                            });
2122
2123                            let client = this.get_client();
2124                            let mut state = client.borrow_mut();
2125                            state.drag.data_offer = Some(data_offer);
2126                            state.drag.window = Some(drag_window.clone());
2127                            state.drag.position = position;
2128
2129                            drop(state);
2130                            drag_window.handle_input(input);
2131                        })
2132                        .detach();
2133                }
2134            }
2135            wl_data_device::Event::Motion { x, y, .. } => {
2136                let Some(drag_window) = state.drag.window.clone() else {
2137                    return;
2138                };
2139                let position = Point::new(x.into(), y.into());
2140                state.drag.position = position;
2141
2142                let input = PlatformInput::FileDrop(FileDropEvent::Pending { position });
2143                drop(state);
2144                drag_window.handle_input(input);
2145            }
2146            wl_data_device::Event::Leave => {
2147                let Some(drag_window) = state.drag.window.clone() else {
2148                    return;
2149                };
2150                let data_offer = state.drag.data_offer.clone().unwrap();
2151                data_offer.destroy();
2152
2153                state.drag.data_offer = None;
2154                state.drag.window = None;
2155
2156                let input = PlatformInput::FileDrop(FileDropEvent::Exited {});
2157                drop(state);
2158                drag_window.handle_input(input);
2159            }
2160            wl_data_device::Event::Drop => {
2161                let Some(drag_window) = state.drag.window.clone() else {
2162                    return;
2163                };
2164                let data_offer = state.drag.data_offer.clone().unwrap();
2165                data_offer.finish();
2166                data_offer.destroy();
2167
2168                state.drag.data_offer = None;
2169                state.drag.window = None;
2170
2171                let input = PlatformInput::FileDrop(FileDropEvent::Submit {
2172                    position: state.drag.position,
2173                });
2174                drop(state);
2175                drag_window.handle_input(input);
2176            }
2177            _ => {}
2178        }
2179    }
2180
2181    event_created_child!(WaylandClientStatePtr, wl_data_device::WlDataDevice, [
2182        wl_data_device::EVT_DATA_OFFER_OPCODE => (wl_data_offer::WlDataOffer, ()),
2183    ]);
2184}
2185
2186impl Dispatch<wl_data_offer::WlDataOffer, ()> for WaylandClientStatePtr {
2187    fn event(
2188        this: &mut Self,
2189        data_offer: &wl_data_offer::WlDataOffer,
2190        event: wl_data_offer::Event,
2191        _: &(),
2192        _: &Connection,
2193        _: &QueueHandle<Self>,
2194    ) {
2195        let client = this.get_client();
2196        let mut state = client.borrow_mut();
2197
2198        if let wl_data_offer::Event::Offer { mime_type } = event {
2199            // Drag and drop
2200            if mime_type == FILE_LIST_MIME_TYPE {
2201                let serial = state.serial_tracker.get(SerialKind::DataDevice);
2202                let mime_type = mime_type.clone();
2203                data_offer.accept(serial, Some(mime_type));
2204            }
2205
2206            // Clipboard
2207            if let Some(offer) = state
2208                .data_offers
2209                .iter_mut()
2210                .find(|wrapper| wrapper.inner.id() == data_offer.id())
2211            {
2212                offer.add_mime_type(mime_type);
2213            }
2214        }
2215    }
2216}
2217
2218impl Dispatch<wl_data_source::WlDataSource, ()> for WaylandClientStatePtr {
2219    fn event(
2220        this: &mut Self,
2221        data_source: &wl_data_source::WlDataSource,
2222        event: wl_data_source::Event,
2223        _: &(),
2224        _: &Connection,
2225        _: &QueueHandle<Self>,
2226    ) {
2227        let client = this.get_client();
2228        let state = client.borrow_mut();
2229
2230        match event {
2231            wl_data_source::Event::Send { mime_type, fd } => {
2232                state.clipboard.send(mime_type, fd);
2233            }
2234            wl_data_source::Event::Cancelled => {
2235                data_source.destroy();
2236            }
2237            _ => {}
2238        }
2239    }
2240}
2241
2242impl Dispatch<zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1, ()>
2243    for WaylandClientStatePtr
2244{
2245    fn event(
2246        this: &mut Self,
2247        _: &zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1,
2248        event: zwp_primary_selection_device_v1::Event,
2249        _: &(),
2250        _: &Connection,
2251        _: &QueueHandle<Self>,
2252    ) {
2253        let client = this.get_client();
2254        let mut state = client.borrow_mut();
2255
2256        match event {
2257            zwp_primary_selection_device_v1::Event::DataOffer { offer } => {
2258                let old_offer = state.primary_data_offer.replace(DataOffer::new(offer));
2259                if let Some(old_offer) = old_offer {
2260                    old_offer.inner.destroy();
2261                }
2262            }
2263            zwp_primary_selection_device_v1::Event::Selection { id: data_offer } => {
2264                if data_offer.is_some() {
2265                    let offer = state.primary_data_offer.clone();
2266                    state.clipboard.set_primary_offer(offer);
2267                } else {
2268                    state.clipboard.set_primary_offer(None);
2269                }
2270            }
2271            _ => {}
2272        }
2273    }
2274
2275    event_created_child!(WaylandClientStatePtr, zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1, [
2276        zwp_primary_selection_device_v1::EVT_DATA_OFFER_OPCODE => (zwp_primary_selection_offer_v1::ZwpPrimarySelectionOfferV1, ()),
2277    ]);
2278}
2279
2280impl Dispatch<zwp_primary_selection_offer_v1::ZwpPrimarySelectionOfferV1, ()>
2281    for WaylandClientStatePtr
2282{
2283    fn event(
2284        this: &mut Self,
2285        _data_offer: &zwp_primary_selection_offer_v1::ZwpPrimarySelectionOfferV1,
2286        event: zwp_primary_selection_offer_v1::Event,
2287        _: &(),
2288        _: &Connection,
2289        _: &QueueHandle<Self>,
2290    ) {
2291        let client = this.get_client();
2292        let mut state = client.borrow_mut();
2293
2294        if let zwp_primary_selection_offer_v1::Event::Offer { mime_type } = event
2295            && let Some(offer) = state.primary_data_offer.as_mut()
2296        {
2297            offer.add_mime_type(mime_type);
2298        }
2299    }
2300}
2301
2302impl Dispatch<zwp_primary_selection_source_v1::ZwpPrimarySelectionSourceV1, ()>
2303    for WaylandClientStatePtr
2304{
2305    fn event(
2306        this: &mut Self,
2307        selection_source: &zwp_primary_selection_source_v1::ZwpPrimarySelectionSourceV1,
2308        event: zwp_primary_selection_source_v1::Event,
2309        _: &(),
2310        _: &Connection,
2311        _: &QueueHandle<Self>,
2312    ) {
2313        let client = this.get_client();
2314        let state = client.borrow_mut();
2315
2316        match event {
2317            zwp_primary_selection_source_v1::Event::Send { mime_type, fd } => {
2318                state.clipboard.send_primary(mime_type, fd);
2319            }
2320            zwp_primary_selection_source_v1::Event::Cancelled => {
2321                selection_source.destroy();
2322            }
2323            _ => {}
2324        }
2325    }
2326}
2327
2328impl Dispatch<XdgWmDialogV1, ()> for WaylandClientStatePtr {
2329    fn event(
2330        _: &mut Self,
2331        _: &XdgWmDialogV1,
2332        _: <XdgWmDialogV1 as Proxy>::Event,
2333        _: &(),
2334        _: &Connection,
2335        _: &QueueHandle<Self>,
2336    ) {
2337    }
2338}
2339
2340impl Dispatch<XdgDialogV1, ()> for WaylandClientStatePtr {
2341    fn event(
2342        _state: &mut Self,
2343        _proxy: &XdgDialogV1,
2344        _event: <XdgDialogV1 as Proxy>::Event,
2345        _data: &(),
2346        _conn: &Connection,
2347        _qhandle: &QueueHandle<Self>,
2348    ) {
2349    }
2350}