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::pointer_gestures::zv1::client::{
  40    zwp_pointer_gesture_pinch_v1, zwp_pointer_gestures_v1,
  41};
  42use wayland_protocols::wp::primary_selection::zv1::client::zwp_primary_selection_offer_v1::{
  43    self, ZwpPrimarySelectionOfferV1,
  44};
  45use wayland_protocols::wp::primary_selection::zv1::client::{
  46    zwp_primary_selection_device_manager_v1, zwp_primary_selection_device_v1,
  47    zwp_primary_selection_source_v1,
  48};
  49use wayland_protocols::wp::text_input::zv3::client::zwp_text_input_v3::{
  50    ContentHint, ContentPurpose,
  51};
  52use wayland_protocols::wp::text_input::zv3::client::{
  53    zwp_text_input_manager_v3, zwp_text_input_v3,
  54};
  55use wayland_protocols::wp::viewporter::client::{wp_viewport, wp_viewporter};
  56use wayland_protocols::xdg::activation::v1::client::{xdg_activation_token_v1, xdg_activation_v1};
  57use wayland_protocols::xdg::decoration::zv1::client::{
  58    zxdg_decoration_manager_v1, zxdg_toplevel_decoration_v1,
  59};
  60use wayland_protocols::xdg::shell::client::{xdg_surface, xdg_toplevel, xdg_wm_base};
  61use wayland_protocols::{
  62    wp::cursor_shape::v1::client::{wp_cursor_shape_device_v1, wp_cursor_shape_manager_v1},
  63    xdg::dialog::v1::client::xdg_wm_dialog_v1::{self, XdgWmDialogV1},
  64};
  65use wayland_protocols::{
  66    wp::fractional_scale::v1::client::{wp_fractional_scale_manager_v1, wp_fractional_scale_v1},
  67    xdg::dialog::v1::client::xdg_dialog_v1::XdgDialogV1,
  68};
  69use wayland_protocols_plasma::blur::client::{org_kde_kwin_blur, org_kde_kwin_blur_manager};
  70use wayland_protocols_wlr::layer_shell::v1::client::{zwlr_layer_shell_v1, zwlr_layer_surface_v1};
  71use xkbcommon::xkb::ffi::XKB_KEYMAP_FORMAT_TEXT_V1;
  72use xkbcommon::xkb::{self, KEYMAP_COMPILE_NO_FLAGS, Keycode};
  73
  74use super::{
  75    display::WaylandDisplay,
  76    window::{ImeInput, WaylandWindowStatePtr},
  77};
  78
  79use crate::linux::{
  80    DOUBLE_CLICK_INTERVAL, LinuxClient, LinuxCommon, LinuxKeyboardLayout, SCROLL_LINES,
  81    capslock_from_xkb, cursor_style_to_icon_names, get_xkb_compose_state, is_within_click_distance,
  82    keystroke_from_xkb, keystroke_underlying_dead_key, modifiers_from_xkb, open_uri_internal,
  83    read_fd, reveal_path_internal,
  84    wayland::{
  85        clipboard::{Clipboard, DataOffer, FILE_LIST_MIME_TYPE, TEXT_MIME_TYPES},
  86        cursor::Cursor,
  87        serial::{SerialKind, SerialTracker},
  88        to_shape,
  89        window::WaylandWindow,
  90    },
  91    xdg_desktop_portal::{Event as XDPEvent, XDPEventSource},
  92};
  93use gpui::{
  94    AnyWindowHandle, Bounds, Capslock, CursorStyle, DevicePixels, DisplayId, FileDropEvent,
  95    ForegroundExecutor, KeyDownEvent, KeyUpEvent, Keystroke, Modifiers, ModifiersChangedEvent,
  96    MouseButton, MouseDownEvent, MouseExitEvent, MouseMoveEvent, MouseUpEvent, NavigationDirection,
  97    Pixels, PlatformDisplay, PlatformInput, PlatformKeyboardLayout, PlatformWindow, Point,
  98    ScrollDelta, ScrollWheelEvent, SharedString, Size, TaskTiming, TouchPhase, WindowParams, point,
  99    profiler, px, size,
 100};
 101use gpui_wgpu::{CompositorGpuHint, GpuContext};
 102use wayland_protocols::wp::linux_dmabuf::zv1::client::{
 103    zwp_linux_dmabuf_feedback_v1, zwp_linux_dmabuf_v1,
 104};
 105
 106/// Used to convert evdev scancode to xkb scancode
 107const MIN_KEYCODE: u32 = 8;
 108
 109const UNKNOWN_KEYBOARD_LAYOUT_NAME: SharedString = SharedString::new_static("unknown");
 110
 111#[derive(Clone)]
 112pub struct Globals {
 113    pub qh: QueueHandle<WaylandClientStatePtr>,
 114    pub activation: Option<xdg_activation_v1::XdgActivationV1>,
 115    pub compositor: wl_compositor::WlCompositor,
 116    pub cursor_shape_manager: Option<wp_cursor_shape_manager_v1::WpCursorShapeManagerV1>,
 117    pub data_device_manager: Option<wl_data_device_manager::WlDataDeviceManager>,
 118    pub primary_selection_manager:
 119        Option<zwp_primary_selection_device_manager_v1::ZwpPrimarySelectionDeviceManagerV1>,
 120    pub wm_base: xdg_wm_base::XdgWmBase,
 121    pub shm: wl_shm::WlShm,
 122    pub seat: wl_seat::WlSeat,
 123    pub viewporter: Option<wp_viewporter::WpViewporter>,
 124    pub fractional_scale_manager:
 125        Option<wp_fractional_scale_manager_v1::WpFractionalScaleManagerV1>,
 126    pub decoration_manager: Option<zxdg_decoration_manager_v1::ZxdgDecorationManagerV1>,
 127    pub layer_shell: Option<zwlr_layer_shell_v1::ZwlrLayerShellV1>,
 128    pub blur_manager: Option<org_kde_kwin_blur_manager::OrgKdeKwinBlurManager>,
 129    pub text_input_manager: Option<zwp_text_input_manager_v3::ZwpTextInputManagerV3>,
 130    pub gesture_manager: Option<zwp_pointer_gestures_v1::ZwpPointerGesturesV1>,
 131    pub dialog: Option<xdg_wm_dialog_v1::XdgWmDialogV1>,
 132    pub executor: ForegroundExecutor,
 133}
 134
 135impl Globals {
 136    fn new(
 137        globals: GlobalList,
 138        executor: ForegroundExecutor,
 139        qh: QueueHandle<WaylandClientStatePtr>,
 140        seat: wl_seat::WlSeat,
 141    ) -> Self {
 142        let dialog_v = XdgWmDialogV1::interface().version;
 143        Globals {
 144            activation: globals.bind(&qh, 1..=1, ()).ok(),
 145            compositor: globals
 146                .bind(
 147                    &qh,
 148                    wl_surface::REQ_SET_BUFFER_SCALE_SINCE
 149                        ..=wl_surface::EVT_PREFERRED_BUFFER_SCALE_SINCE,
 150                    (),
 151                )
 152                .unwrap(),
 153            cursor_shape_manager: globals.bind(&qh, 1..=1, ()).ok(),
 154            data_device_manager: globals
 155                .bind(
 156                    &qh,
 157                    WL_DATA_DEVICE_MANAGER_VERSION..=WL_DATA_DEVICE_MANAGER_VERSION,
 158                    (),
 159                )
 160                .ok(),
 161            primary_selection_manager: globals.bind(&qh, 1..=1, ()).ok(),
 162            shm: globals.bind(&qh, 1..=1, ()).unwrap(),
 163            seat,
 164            wm_base: globals.bind(&qh, 1..=5, ()).unwrap(),
 165            viewporter: globals.bind(&qh, 1..=1, ()).ok(),
 166            fractional_scale_manager: globals.bind(&qh, 1..=1, ()).ok(),
 167            decoration_manager: globals.bind(&qh, 1..=1, ()).ok(),
 168            layer_shell: globals.bind(&qh, 1..=5, ()).ok(),
 169            blur_manager: globals.bind(&qh, 1..=1, ()).ok(),
 170            text_input_manager: globals.bind(&qh, 1..=1, ()).ok(),
 171            gesture_manager: globals.bind(&qh, 1..=3, ()).ok(),
 172            dialog: globals.bind(&qh, dialog_v..=dialog_v, ()).ok(),
 173            executor,
 174            qh,
 175        }
 176    }
 177}
 178
 179#[derive(Default, Debug, Clone, PartialEq, Eq, Hash)]
 180pub struct InProgressOutput {
 181    name: Option<String>,
 182    scale: Option<i32>,
 183    position: Option<Point<DevicePixels>>,
 184    size: Option<Size<DevicePixels>>,
 185}
 186
 187impl InProgressOutput {
 188    fn complete(&self) -> Option<Output> {
 189        if let Some((position, size)) = self.position.zip(self.size) {
 190            let scale = self.scale.unwrap_or(1);
 191            Some(Output {
 192                name: self.name.clone(),
 193                scale,
 194                bounds: Bounds::new(position, size),
 195            })
 196        } else {
 197            None
 198        }
 199    }
 200}
 201
 202#[derive(Debug, Clone, Eq, PartialEq, Hash)]
 203pub struct Output {
 204    pub name: Option<String>,
 205    pub scale: i32,
 206    pub bounds: Bounds<DevicePixels>,
 207}
 208
 209pub(crate) struct WaylandClientState {
 210    serial_tracker: SerialTracker,
 211    globals: Globals,
 212    pub gpu_context: GpuContext,
 213    pub compositor_gpu: Option<CompositorGpuHint>,
 214    wl_seat: wl_seat::WlSeat, // TODO: Multi seat support
 215    wl_pointer: Option<wl_pointer::WlPointer>,
 216    pinch_gesture: Option<zwp_pointer_gesture_pinch_v1::ZwpPointerGesturePinchV1>,
 217    pinch_scale: f32,
 218    wl_keyboard: Option<wl_keyboard::WlKeyboard>,
 219    cursor_shape_device: Option<wp_cursor_shape_device_v1::WpCursorShapeDeviceV1>,
 220    data_device: Option<wl_data_device::WlDataDevice>,
 221    primary_selection: Option<zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1>,
 222    text_input: Option<zwp_text_input_v3::ZwpTextInputV3>,
 223    pre_edit_text: Option<String>,
 224    ime_pre_edit: Option<String>,
 225    composing: bool,
 226    // Surface to Window mapping
 227    windows: HashMap<ObjectId, WaylandWindowStatePtr>,
 228    // Output to scale mapping
 229    outputs: HashMap<ObjectId, Output>,
 230    in_progress_outputs: HashMap<ObjectId, InProgressOutput>,
 231    wl_outputs: HashMap<ObjectId, wl_output::WlOutput>,
 232    keyboard_layout: LinuxKeyboardLayout,
 233    keymap_state: Option<xkb::State>,
 234    compose_state: Option<xkb::compose::State>,
 235    drag: DragState,
 236    click: ClickState,
 237    repeat: KeyRepeat,
 238    pub modifiers: Modifiers,
 239    pub capslock: Capslock,
 240    axis_source: AxisSource,
 241    pub mouse_location: Option<Point<Pixels>>,
 242    continuous_scroll_delta: Option<Point<Pixels>>,
 243    discrete_scroll_delta: Option<Point<f32>>,
 244    vertical_modifier: f32,
 245    horizontal_modifier: f32,
 246    scroll_event_received: bool,
 247    enter_token: Option<()>,
 248    button_pressed: Option<MouseButton>,
 249    mouse_focused_window: Option<WaylandWindowStatePtr>,
 250    keyboard_focused_window: Option<WaylandWindowStatePtr>,
 251    loop_handle: LoopHandle<'static, WaylandClientStatePtr>,
 252    cursor_style: Option<CursorStyle>,
 253    clipboard: Clipboard,
 254    data_offers: Vec<DataOffer<WlDataOffer>>,
 255    primary_data_offer: Option<DataOffer<ZwpPrimarySelectionOfferV1>>,
 256    cursor: Cursor,
 257    pending_activation: Option<PendingActivation>,
 258    event_loop: Option<EventLoop<'static, WaylandClientStatePtr>>,
 259    pub common: LinuxCommon,
 260}
 261
 262pub struct DragState {
 263    data_offer: Option<wl_data_offer::WlDataOffer>,
 264    window: Option<WaylandWindowStatePtr>,
 265    position: Point<Pixels>,
 266}
 267
 268pub struct ClickState {
 269    last_mouse_button: Option<MouseButton>,
 270    last_click: Instant,
 271    last_location: Point<Pixels>,
 272    current_count: usize,
 273}
 274
 275pub(crate) struct KeyRepeat {
 276    characters_per_second: u32,
 277    delay: Duration,
 278    current_id: u64,
 279    current_keycode: Option<xkb::Keycode>,
 280}
 281
 282pub(crate) enum PendingActivation {
 283    /// URI to open in the web browser.
 284    Uri(String),
 285    /// Path to open in the file explorer.
 286    Path(PathBuf),
 287    /// A window from ourselves to raise.
 288    Window(ObjectId),
 289}
 290
 291/// This struct is required to conform to Rust's orphan rules, so we can dispatch on the state but hand the
 292/// window to GPUI.
 293#[derive(Clone)]
 294pub struct WaylandClientStatePtr(Weak<RefCell<WaylandClientState>>);
 295
 296impl WaylandClientStatePtr {
 297    pub fn get_client(&self) -> Rc<RefCell<WaylandClientState>> {
 298        self.0
 299            .upgrade()
 300            .expect("The pointer should always be valid when dispatching in wayland")
 301    }
 302
 303    pub fn get_serial(&self, kind: SerialKind) -> u32 {
 304        self.0.upgrade().unwrap().borrow().serial_tracker.get(kind)
 305    }
 306
 307    pub fn set_pending_activation(&self, window: ObjectId) {
 308        self.0.upgrade().unwrap().borrow_mut().pending_activation =
 309            Some(PendingActivation::Window(window));
 310    }
 311
 312    pub fn enable_ime(&self) {
 313        let client = self.get_client();
 314        let mut state = client.borrow_mut();
 315        let Some(text_input) = state.text_input.take() else {
 316            return;
 317        };
 318
 319        text_input.enable();
 320        text_input.set_content_type(ContentHint::None, ContentPurpose::Normal);
 321        if let Some(window) = state.keyboard_focused_window.clone() {
 322            drop(state);
 323            if let Some(area) = window.get_ime_area() {
 324                text_input.set_cursor_rectangle(
 325                    f32::from(area.origin.x) as i32,
 326                    f32::from(area.origin.y) as i32,
 327                    f32::from(area.size.width) as i32,
 328                    f32::from(area.size.height) as i32,
 329                );
 330            }
 331            state = client.borrow_mut();
 332        }
 333        text_input.commit();
 334        state.text_input = Some(text_input);
 335    }
 336
 337    pub fn disable_ime(&self) {
 338        let client = self.get_client();
 339        let mut state = client.borrow_mut();
 340        state.composing = false;
 341        if let Some(text_input) = &state.text_input {
 342            text_input.disable();
 343            text_input.commit();
 344        }
 345    }
 346
 347    pub fn update_ime_position(&self, bounds: Bounds<Pixels>) {
 348        let client = self.get_client();
 349        let state = client.borrow_mut();
 350        if state.composing || state.text_input.is_none() || state.pre_edit_text.is_some() {
 351            return;
 352        }
 353
 354        let text_input = state.text_input.as_ref().unwrap();
 355        text_input.set_cursor_rectangle(
 356            bounds.origin.x.as_f32() as i32,
 357            bounds.origin.y.as_f32() as i32,
 358            bounds.size.width.as_f32() as i32,
 359            bounds.size.height.as_f32() as i32,
 360        );
 361        text_input.commit();
 362    }
 363
 364    pub fn handle_keyboard_layout_change(&self) {
 365        let client = self.get_client();
 366        let mut state = client.borrow_mut();
 367        let changed = if let Some(keymap_state) = &state.keymap_state {
 368            let layout_idx = keymap_state.serialize_layout(xkbcommon::xkb::STATE_LAYOUT_EFFECTIVE);
 369            let keymap = keymap_state.get_keymap();
 370            let layout_name = keymap.layout_get_name(layout_idx);
 371            let changed = layout_name != state.keyboard_layout.name();
 372            if changed {
 373                state.keyboard_layout = LinuxKeyboardLayout::new(layout_name.to_string().into());
 374            }
 375            changed
 376        } else {
 377            let changed = &UNKNOWN_KEYBOARD_LAYOUT_NAME != state.keyboard_layout.name();
 378            if changed {
 379                state.keyboard_layout = LinuxKeyboardLayout::new(UNKNOWN_KEYBOARD_LAYOUT_NAME);
 380            }
 381            changed
 382        };
 383
 384        if changed && let Some(mut callback) = state.common.callbacks.keyboard_layout_change.take()
 385        {
 386            drop(state);
 387            callback();
 388            state = client.borrow_mut();
 389            state.common.callbacks.keyboard_layout_change = Some(callback);
 390        }
 391    }
 392
 393    pub fn drop_window(&self, surface_id: &ObjectId) {
 394        let client = self.get_client();
 395        let mut state = client.borrow_mut();
 396        let closed_window = state.windows.remove(surface_id).unwrap();
 397        if let Some(window) = state.mouse_focused_window.take()
 398            && !window.ptr_eq(&closed_window)
 399        {
 400            state.mouse_focused_window = Some(window);
 401        }
 402        if let Some(window) = state.keyboard_focused_window.take()
 403            && !window.ptr_eq(&closed_window)
 404        {
 405            state.keyboard_focused_window = Some(window);
 406        }
 407    }
 408}
 409
 410#[derive(Clone)]
 411pub struct WaylandClient(Rc<RefCell<WaylandClientState>>);
 412
 413impl Drop for WaylandClient {
 414    fn drop(&mut self) {
 415        let mut state = self.0.borrow_mut();
 416        state.windows.clear();
 417
 418        if let Some(wl_pointer) = &state.wl_pointer {
 419            wl_pointer.release();
 420        }
 421        if let Some(cursor_shape_device) = &state.cursor_shape_device {
 422            cursor_shape_device.destroy();
 423        }
 424        if let Some(data_device) = &state.data_device {
 425            data_device.release();
 426        }
 427        if let Some(text_input) = &state.text_input {
 428            text_input.destroy();
 429        }
 430    }
 431}
 432
 433const WL_DATA_DEVICE_MANAGER_VERSION: u32 = 3;
 434
 435fn wl_seat_version(version: u32) -> u32 {
 436    // We rely on the wl_pointer.frame event
 437    const WL_SEAT_MIN_VERSION: u32 = 5;
 438    const WL_SEAT_MAX_VERSION: u32 = 9;
 439
 440    if version < WL_SEAT_MIN_VERSION {
 441        panic!(
 442            "wl_seat below required version: {} < {}",
 443            version, WL_SEAT_MIN_VERSION
 444        );
 445    }
 446
 447    version.clamp(WL_SEAT_MIN_VERSION, WL_SEAT_MAX_VERSION)
 448}
 449
 450fn wl_output_version(version: u32) -> u32 {
 451    const WL_OUTPUT_MIN_VERSION: u32 = 2;
 452    const WL_OUTPUT_MAX_VERSION: u32 = 4;
 453
 454    if version < WL_OUTPUT_MIN_VERSION {
 455        panic!(
 456            "wl_output below required version: {} < {}",
 457            version, WL_OUTPUT_MIN_VERSION
 458        );
 459    }
 460
 461    version.clamp(WL_OUTPUT_MIN_VERSION, WL_OUTPUT_MAX_VERSION)
 462}
 463
 464impl WaylandClient {
 465    pub(crate) fn new() -> Self {
 466        let conn = Connection::connect_to_env().unwrap();
 467
 468        let (globals, event_queue) = registry_queue_init::<WaylandClientStatePtr>(&conn).unwrap();
 469        let qh = event_queue.handle();
 470
 471        let mut seat: Option<wl_seat::WlSeat> = None;
 472        #[allow(clippy::mutable_key_type)]
 473        let mut in_progress_outputs = HashMap::default();
 474        #[allow(clippy::mutable_key_type)]
 475        let mut wl_outputs: HashMap<ObjectId, wl_output::WlOutput> = HashMap::default();
 476        globals.contents().with_list(|list| {
 477            for global in list {
 478                match &global.interface[..] {
 479                    "wl_seat" => {
 480                        seat = Some(globals.registry().bind::<wl_seat::WlSeat, _, _>(
 481                            global.name,
 482                            wl_seat_version(global.version),
 483                            &qh,
 484                            (),
 485                        ));
 486                    }
 487                    "wl_output" => {
 488                        let output = globals.registry().bind::<wl_output::WlOutput, _, _>(
 489                            global.name,
 490                            wl_output_version(global.version),
 491                            &qh,
 492                            (),
 493                        );
 494                        in_progress_outputs.insert(output.id(), InProgressOutput::default());
 495                        wl_outputs.insert(output.id(), output);
 496                    }
 497                    _ => {}
 498                }
 499            }
 500        });
 501
 502        let event_loop = EventLoop::<WaylandClientStatePtr>::try_new().unwrap();
 503
 504        let (common, main_receiver) = LinuxCommon::new(event_loop.get_signal());
 505
 506        let handle = event_loop.handle();
 507        handle
 508            .insert_source(main_receiver, {
 509                let handle = handle.clone();
 510                move |event, _, _: &mut WaylandClientStatePtr| {
 511                    if let calloop::channel::Event::Msg(runnable) = event {
 512                        handle.insert_idle(|_| {
 513                            let start = Instant::now();
 514                            let location = runnable.metadata().location;
 515                            let mut timing = TaskTiming {
 516                                location,
 517                                start,
 518                                end: None,
 519                            };
 520                            profiler::add_task_timing(timing);
 521
 522                            runnable.run();
 523
 524                            let end = Instant::now();
 525                            timing.end = Some(end);
 526                            profiler::add_task_timing(timing);
 527                        });
 528                    }
 529                }
 530            })
 531            .unwrap();
 532
 533        let compositor_gpu = detect_compositor_gpu();
 534        let gpu_context = Rc::new(RefCell::new(None));
 535
 536        let seat = seat.unwrap();
 537        let globals = Globals::new(
 538            globals,
 539            common.foreground_executor.clone(),
 540            qh.clone(),
 541            seat.clone(),
 542        );
 543
 544        let data_device = globals
 545            .data_device_manager
 546            .as_ref()
 547            .map(|data_device_manager| data_device_manager.get_data_device(&seat, &qh, ()));
 548
 549        let primary_selection = globals
 550            .primary_selection_manager
 551            .as_ref()
 552            .map(|primary_selection_manager| primary_selection_manager.get_device(&seat, &qh, ()));
 553
 554        let cursor = Cursor::new(&conn, &globals, 24);
 555
 556        handle
 557            .insert_source(XDPEventSource::new(&common.background_executor), {
 558                move |event, _, client| match event {
 559                    XDPEvent::WindowAppearance(appearance) => {
 560                        if let Some(client) = client.0.upgrade() {
 561                            let mut client = client.borrow_mut();
 562
 563                            client.common.appearance = appearance;
 564
 565                            for window in client.windows.values_mut() {
 566                                window.set_appearance(appearance);
 567                            }
 568                        }
 569                    }
 570                    XDPEvent::CursorTheme(theme) => {
 571                        if let Some(client) = client.0.upgrade() {
 572                            let mut client = client.borrow_mut();
 573                            client.cursor.set_theme(theme);
 574                        }
 575                    }
 576                    XDPEvent::CursorSize(size) => {
 577                        if let Some(client) = client.0.upgrade() {
 578                            let mut client = client.borrow_mut();
 579                            client.cursor.set_size(size);
 580                        }
 581                    }
 582                }
 583            })
 584            .unwrap();
 585
 586        let state = Rc::new(RefCell::new(WaylandClientState {
 587            serial_tracker: SerialTracker::new(),
 588            globals,
 589            gpu_context,
 590            compositor_gpu,
 591            wl_seat: seat,
 592            wl_pointer: None,
 593            wl_keyboard: None,
 594            pinch_gesture: None,
 595            pinch_scale: 1.0,
 596            cursor_shape_device: None,
 597            data_device,
 598            primary_selection,
 599            text_input: None,
 600            pre_edit_text: None,
 601            ime_pre_edit: None,
 602            composing: false,
 603            outputs: HashMap::default(),
 604            in_progress_outputs,
 605            wl_outputs,
 606            windows: HashMap::default(),
 607            common,
 608            keyboard_layout: LinuxKeyboardLayout::new(UNKNOWN_KEYBOARD_LAYOUT_NAME),
 609            keymap_state: None,
 610            compose_state: None,
 611            drag: DragState {
 612                data_offer: None,
 613                window: None,
 614                position: Point::default(),
 615            },
 616            click: ClickState {
 617                last_click: Instant::now(),
 618                last_mouse_button: None,
 619                last_location: Point::default(),
 620                current_count: 0,
 621            },
 622            repeat: KeyRepeat {
 623                characters_per_second: 16,
 624                delay: Duration::from_millis(500),
 625                current_id: 0,
 626                current_keycode: None,
 627            },
 628            modifiers: Modifiers {
 629                shift: false,
 630                control: false,
 631                alt: false,
 632                function: false,
 633                platform: false,
 634            },
 635            capslock: Capslock { on: false },
 636            scroll_event_received: false,
 637            axis_source: AxisSource::Wheel,
 638            mouse_location: None,
 639            continuous_scroll_delta: None,
 640            discrete_scroll_delta: None,
 641            vertical_modifier: -1.0,
 642            horizontal_modifier: -1.0,
 643            button_pressed: None,
 644            mouse_focused_window: None,
 645            keyboard_focused_window: None,
 646            loop_handle: handle.clone(),
 647            enter_token: None,
 648            cursor_style: None,
 649            clipboard: Clipboard::new(conn.clone(), handle.clone()),
 650            data_offers: Vec::new(),
 651            primary_data_offer: None,
 652            cursor,
 653            pending_activation: None,
 654            event_loop: Some(event_loop),
 655        }));
 656
 657        WaylandSource::new(conn, event_queue)
 658            .insert(handle)
 659            .unwrap();
 660
 661        Self(state)
 662    }
 663}
 664
 665impl LinuxClient for WaylandClient {
 666    fn keyboard_layout(&self) -> Box<dyn PlatformKeyboardLayout> {
 667        Box::new(self.0.borrow().keyboard_layout.clone())
 668    }
 669
 670    fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>> {
 671        self.0
 672            .borrow()
 673            .outputs
 674            .iter()
 675            .map(|(id, output)| {
 676                Rc::new(WaylandDisplay {
 677                    id: id.clone(),
 678                    name: output.name.clone(),
 679                    bounds: output.bounds.to_pixels(output.scale as f32),
 680                }) as Rc<dyn PlatformDisplay>
 681            })
 682            .collect()
 683    }
 684
 685    fn display(&self, id: DisplayId) -> Option<Rc<dyn PlatformDisplay>> {
 686        self.0
 687            .borrow()
 688            .outputs
 689            .iter()
 690            .find_map(|(object_id, output)| {
 691                (object_id.protocol_id() == u32::from(id)).then(|| {
 692                    Rc::new(WaylandDisplay {
 693                        id: object_id.clone(),
 694                        name: output.name.clone(),
 695                        bounds: output.bounds.to_pixels(output.scale as f32),
 696                    }) as Rc<dyn PlatformDisplay>
 697                })
 698            })
 699    }
 700
 701    fn primary_display(&self) -> Option<Rc<dyn PlatformDisplay>> {
 702        None
 703    }
 704
 705    #[cfg(feature = "screen-capture")]
 706    fn screen_capture_sources(
 707        &self,
 708    ) -> futures::channel::oneshot::Receiver<anyhow::Result<Vec<Rc<dyn gpui::ScreenCaptureSource>>>>
 709    {
 710        // TODO: Get screen capture working on wayland. Be sure to try window resizing as that may
 711        // be tricky.
 712        //
 713        // start_scap_default_target_source()
 714        let (sources_tx, sources_rx) = futures::channel::oneshot::channel();
 715        sources_tx
 716            .send(Err(anyhow::anyhow!(
 717                "Wayland screen capture not yet implemented."
 718            )))
 719            .ok();
 720        sources_rx
 721    }
 722
 723    fn open_window(
 724        &self,
 725        handle: AnyWindowHandle,
 726        params: WindowParams,
 727    ) -> anyhow::Result<Box<dyn PlatformWindow>> {
 728        let mut state = self.0.borrow_mut();
 729
 730        let parent = state.keyboard_focused_window.clone();
 731
 732        let target_output = params.display_id.and_then(|display_id| {
 733            let target_protocol_id: u32 = display_id.into();
 734            state
 735                .wl_outputs
 736                .iter()
 737                .find(|(id, _)| id.protocol_id() == target_protocol_id)
 738                .map(|(_, output)| output.clone())
 739        });
 740
 741        let appearance = state.common.appearance;
 742        let compositor_gpu = state.compositor_gpu.take();
 743        let (window, surface_id) = WaylandWindow::new(
 744            handle,
 745            state.globals.clone(),
 746            state.gpu_context.clone(),
 747            compositor_gpu,
 748            WaylandClientStatePtr(Rc::downgrade(&self.0)),
 749            params,
 750            appearance,
 751            parent,
 752            target_output,
 753        )?;
 754        state.windows.insert(surface_id, window.0.clone());
 755
 756        Ok(Box::new(window))
 757    }
 758
 759    fn set_cursor_style(&self, style: CursorStyle) {
 760        let mut state = self.0.borrow_mut();
 761
 762        let need_update = state.cursor_style != Some(style)
 763            && (state.mouse_focused_window.is_none()
 764                || state
 765                    .mouse_focused_window
 766                    .as_ref()
 767                    .is_some_and(|w| !w.is_blocked()));
 768
 769        if need_update {
 770            let serial = state.serial_tracker.get(SerialKind::MouseEnter);
 771            state.cursor_style = Some(style);
 772
 773            if let CursorStyle::None = style {
 774                let wl_pointer = state
 775                    .wl_pointer
 776                    .clone()
 777                    .expect("window is focused by pointer");
 778                wl_pointer.set_cursor(serial, None, 0, 0);
 779            } else if let Some(cursor_shape_device) = &state.cursor_shape_device {
 780                cursor_shape_device.set_shape(serial, to_shape(style));
 781            } else if let Some(focused_window) = &state.mouse_focused_window {
 782                // cursor-shape-v1 isn't supported, set the cursor using a surface.
 783                let wl_pointer = state
 784                    .wl_pointer
 785                    .clone()
 786                    .expect("window is focused by pointer");
 787                let scale = focused_window.primary_output_scale();
 788                state.cursor.set_icon(
 789                    &wl_pointer,
 790                    serial,
 791                    cursor_style_to_icon_names(style),
 792                    scale,
 793                );
 794            }
 795        }
 796    }
 797
 798    fn open_uri(&self, uri: &str) {
 799        let mut state = self.0.borrow_mut();
 800        if let (Some(activation), Some(window)) = (
 801            state.globals.activation.clone(),
 802            state.mouse_focused_window.clone(),
 803        ) {
 804            state.pending_activation = Some(PendingActivation::Uri(uri.to_string()));
 805            let token = activation.get_activation_token(&state.globals.qh, ());
 806            let serial = state.serial_tracker.get(SerialKind::MousePress);
 807            token.set_serial(serial, &state.wl_seat);
 808            token.set_surface(&window.surface());
 809            token.commit();
 810        } else {
 811            let executor = state.common.background_executor.clone();
 812            open_uri_internal(executor, uri, None);
 813        }
 814    }
 815
 816    fn reveal_path(&self, path: PathBuf) {
 817        let mut state = self.0.borrow_mut();
 818        if let (Some(activation), Some(window)) = (
 819            state.globals.activation.clone(),
 820            state.mouse_focused_window.clone(),
 821        ) {
 822            state.pending_activation = Some(PendingActivation::Path(path));
 823            let token = activation.get_activation_token(&state.globals.qh, ());
 824            let serial = state.serial_tracker.get(SerialKind::MousePress);
 825            token.set_serial(serial, &state.wl_seat);
 826            token.set_surface(&window.surface());
 827            token.commit();
 828        } else {
 829            let executor = state.common.background_executor.clone();
 830            reveal_path_internal(executor, path, None);
 831        }
 832    }
 833
 834    fn with_common<R>(&self, f: impl FnOnce(&mut LinuxCommon) -> R) -> R {
 835        f(&mut self.0.borrow_mut().common)
 836    }
 837
 838    fn run(&self) {
 839        let mut event_loop = self
 840            .0
 841            .borrow_mut()
 842            .event_loop
 843            .take()
 844            .expect("App is already running");
 845
 846        event_loop
 847            .run(
 848                None,
 849                &mut WaylandClientStatePtr(Rc::downgrade(&self.0)),
 850                |_| {},
 851            )
 852            .log_err();
 853    }
 854
 855    fn write_to_primary(&self, item: gpui::ClipboardItem) {
 856        let mut state = self.0.borrow_mut();
 857        let (Some(primary_selection_manager), Some(primary_selection)) = (
 858            state.globals.primary_selection_manager.clone(),
 859            state.primary_selection.clone(),
 860        ) else {
 861            return;
 862        };
 863        if state.mouse_focused_window.is_some() || state.keyboard_focused_window.is_some() {
 864            state.clipboard.set_primary(item);
 865            let serial = state.serial_tracker.get(SerialKind::KeyPress);
 866            let data_source = primary_selection_manager.create_source(&state.globals.qh, ());
 867            for mime_type in TEXT_MIME_TYPES {
 868                data_source.offer(mime_type.to_string());
 869            }
 870            data_source.offer(state.clipboard.self_mime());
 871            primary_selection.set_selection(Some(&data_source), serial);
 872        }
 873    }
 874
 875    fn write_to_clipboard(&self, item: gpui::ClipboardItem) {
 876        let mut state = self.0.borrow_mut();
 877        let (Some(data_device_manager), Some(data_device)) = (
 878            state.globals.data_device_manager.clone(),
 879            state.data_device.clone(),
 880        ) else {
 881            return;
 882        };
 883        if state.mouse_focused_window.is_some() || state.keyboard_focused_window.is_some() {
 884            state.clipboard.set(item);
 885            let serial = state.serial_tracker.get(SerialKind::KeyPress);
 886            let data_source = data_device_manager.create_data_source(&state.globals.qh, ());
 887            for mime_type in TEXT_MIME_TYPES {
 888                data_source.offer(mime_type.to_string());
 889            }
 890            data_source.offer(state.clipboard.self_mime());
 891            data_device.set_selection(Some(&data_source), serial);
 892        }
 893    }
 894
 895    fn read_from_primary(&self) -> Option<gpui::ClipboardItem> {
 896        self.0.borrow_mut().clipboard.read_primary()
 897    }
 898
 899    fn read_from_clipboard(&self) -> Option<gpui::ClipboardItem> {
 900        self.0.borrow_mut().clipboard.read()
 901    }
 902
 903    fn active_window(&self) -> Option<AnyWindowHandle> {
 904        self.0
 905            .borrow_mut()
 906            .keyboard_focused_window
 907            .as_ref()
 908            .map(|window| window.handle())
 909    }
 910
 911    fn window_stack(&self) -> Option<Vec<AnyWindowHandle>> {
 912        None
 913    }
 914
 915    fn compositor_name(&self) -> &'static str {
 916        "Wayland"
 917    }
 918
 919    fn window_identifier(&self) -> impl Future<Output = Option<WindowIdentifier>> + Send + 'static {
 920        async fn inner(surface: Option<wl_surface::WlSurface>) -> Option<WindowIdentifier> {
 921            if let Some(surface) = surface {
 922                ashpd::WindowIdentifier::from_wayland(&surface).await
 923            } else {
 924                None
 925            }
 926        }
 927
 928        let client_state = self.0.borrow();
 929        let active_window = client_state.keyboard_focused_window.as_ref();
 930        inner(active_window.map(|aw| aw.surface()))
 931    }
 932}
 933
 934struct DmabufProbeState {
 935    device: Option<u64>,
 936}
 937
 938impl Dispatch<wl_registry::WlRegistry, GlobalListContents> for DmabufProbeState {
 939    fn event(
 940        _: &mut Self,
 941        _: &wl_registry::WlRegistry,
 942        _: wl_registry::Event,
 943        _: &GlobalListContents,
 944        _: &Connection,
 945        _: &QueueHandle<Self>,
 946    ) {
 947    }
 948}
 949
 950impl Dispatch<zwp_linux_dmabuf_v1::ZwpLinuxDmabufV1, ()> for DmabufProbeState {
 951    fn event(
 952        _: &mut Self,
 953        _: &zwp_linux_dmabuf_v1::ZwpLinuxDmabufV1,
 954        _: zwp_linux_dmabuf_v1::Event,
 955        _: &(),
 956        _: &Connection,
 957        _: &QueueHandle<Self>,
 958    ) {
 959    }
 960}
 961
 962impl Dispatch<zwp_linux_dmabuf_feedback_v1::ZwpLinuxDmabufFeedbackV1, ()> for DmabufProbeState {
 963    fn event(
 964        state: &mut Self,
 965        _: &zwp_linux_dmabuf_feedback_v1::ZwpLinuxDmabufFeedbackV1,
 966        event: zwp_linux_dmabuf_feedback_v1::Event,
 967        _: &(),
 968        _: &Connection,
 969        _: &QueueHandle<Self>,
 970    ) {
 971        if let zwp_linux_dmabuf_feedback_v1::Event::MainDevice { device } = event {
 972            if let Ok(bytes) = <[u8; 8]>::try_from(device.as_slice()) {
 973                state.device = Some(u64::from_ne_bytes(bytes));
 974            }
 975        }
 976    }
 977}
 978
 979fn detect_compositor_gpu() -> Option<CompositorGpuHint> {
 980    let connection = Connection::connect_to_env().ok()?;
 981    let (globals, mut event_queue) = registry_queue_init::<DmabufProbeState>(&connection).ok()?;
 982    let queue_handle = event_queue.handle();
 983
 984    let dmabuf: zwp_linux_dmabuf_v1::ZwpLinuxDmabufV1 =
 985        globals.bind(&queue_handle, 4..=4, ()).ok()?;
 986    let feedback = dmabuf.get_default_feedback(&queue_handle, ());
 987
 988    let mut state = DmabufProbeState { device: None };
 989
 990    event_queue.roundtrip(&mut state).ok()?;
 991
 992    feedback.destroy();
 993    dmabuf.destroy();
 994
 995    crate::linux::compositor_gpu_hint_from_dev_t(state.device?)
 996}
 997
 998impl Dispatch<wl_registry::WlRegistry, GlobalListContents> for WaylandClientStatePtr {
 999    fn event(
1000        this: &mut Self,
1001        registry: &wl_registry::WlRegistry,
1002        event: wl_registry::Event,
1003        _: &GlobalListContents,
1004        _: &Connection,
1005        qh: &QueueHandle<Self>,
1006    ) {
1007        let client = this.get_client();
1008        let mut state = client.borrow_mut();
1009
1010        match event {
1011            wl_registry::Event::Global {
1012                name,
1013                interface,
1014                version,
1015            } => match &interface[..] {
1016                "wl_seat" => {
1017                    if let Some(wl_pointer) = state.wl_pointer.take() {
1018                        wl_pointer.release();
1019                    }
1020                    if let Some(wl_keyboard) = state.wl_keyboard.take() {
1021                        wl_keyboard.release();
1022                    }
1023                    state.wl_seat.release();
1024                    state.wl_seat = registry.bind::<wl_seat::WlSeat, _, _>(
1025                        name,
1026                        wl_seat_version(version),
1027                        qh,
1028                        (),
1029                    );
1030                }
1031                "wl_output" => {
1032                    let output = registry.bind::<wl_output::WlOutput, _, _>(
1033                        name,
1034                        wl_output_version(version),
1035                        qh,
1036                        (),
1037                    );
1038
1039                    state
1040                        .in_progress_outputs
1041                        .insert(output.id(), InProgressOutput::default());
1042                    state.wl_outputs.insert(output.id(), output);
1043                }
1044                _ => {}
1045            },
1046            wl_registry::Event::GlobalRemove { name: _ } => {
1047                // TODO: handle global removal
1048            }
1049            _ => {}
1050        }
1051    }
1052}
1053
1054delegate_noop!(WaylandClientStatePtr: ignore xdg_activation_v1::XdgActivationV1);
1055delegate_noop!(WaylandClientStatePtr: ignore wl_compositor::WlCompositor);
1056delegate_noop!(WaylandClientStatePtr: ignore wp_cursor_shape_device_v1::WpCursorShapeDeviceV1);
1057delegate_noop!(WaylandClientStatePtr: ignore wp_cursor_shape_manager_v1::WpCursorShapeManagerV1);
1058delegate_noop!(WaylandClientStatePtr: ignore wl_data_device_manager::WlDataDeviceManager);
1059delegate_noop!(WaylandClientStatePtr: ignore zwp_primary_selection_device_manager_v1::ZwpPrimarySelectionDeviceManagerV1);
1060delegate_noop!(WaylandClientStatePtr: ignore wl_shm::WlShm);
1061delegate_noop!(WaylandClientStatePtr: ignore wl_shm_pool::WlShmPool);
1062delegate_noop!(WaylandClientStatePtr: ignore wl_buffer::WlBuffer);
1063delegate_noop!(WaylandClientStatePtr: ignore wl_region::WlRegion);
1064delegate_noop!(WaylandClientStatePtr: ignore wp_fractional_scale_manager_v1::WpFractionalScaleManagerV1);
1065delegate_noop!(WaylandClientStatePtr: ignore zxdg_decoration_manager_v1::ZxdgDecorationManagerV1);
1066delegate_noop!(WaylandClientStatePtr: ignore zwlr_layer_shell_v1::ZwlrLayerShellV1);
1067delegate_noop!(WaylandClientStatePtr: ignore org_kde_kwin_blur_manager::OrgKdeKwinBlurManager);
1068delegate_noop!(WaylandClientStatePtr: ignore zwp_text_input_manager_v3::ZwpTextInputManagerV3);
1069delegate_noop!(WaylandClientStatePtr: ignore org_kde_kwin_blur::OrgKdeKwinBlur);
1070delegate_noop!(WaylandClientStatePtr: ignore wp_viewporter::WpViewporter);
1071delegate_noop!(WaylandClientStatePtr: ignore wp_viewport::WpViewport);
1072
1073impl Dispatch<WlCallback, ObjectId> for WaylandClientStatePtr {
1074    fn event(
1075        state: &mut WaylandClientStatePtr,
1076        _: &wl_callback::WlCallback,
1077        event: wl_callback::Event,
1078        surface_id: &ObjectId,
1079        _: &Connection,
1080        _: &QueueHandle<Self>,
1081    ) {
1082        let client = state.get_client();
1083        let mut state = client.borrow_mut();
1084        let Some(window) = get_window(&mut state, surface_id) else {
1085            return;
1086        };
1087        drop(state);
1088
1089        if let wl_callback::Event::Done { .. } = event {
1090            window.frame();
1091        }
1092    }
1093}
1094
1095pub(crate) fn get_window(
1096    state: &mut RefMut<WaylandClientState>,
1097    surface_id: &ObjectId,
1098) -> Option<WaylandWindowStatePtr> {
1099    state.windows.get(surface_id).cloned()
1100}
1101
1102impl Dispatch<wl_surface::WlSurface, ()> for WaylandClientStatePtr {
1103    fn event(
1104        this: &mut Self,
1105        surface: &wl_surface::WlSurface,
1106        event: <wl_surface::WlSurface as Proxy>::Event,
1107        _: &(),
1108        _: &Connection,
1109        _: &QueueHandle<Self>,
1110    ) {
1111        let client = this.get_client();
1112        let mut state = client.borrow_mut();
1113
1114        let Some(window) = get_window(&mut state, &surface.id()) else {
1115            return;
1116        };
1117        #[allow(clippy::mutable_key_type)]
1118        let outputs = state.outputs.clone();
1119        drop(state);
1120
1121        window.handle_surface_event(event, outputs);
1122    }
1123}
1124
1125impl Dispatch<wl_output::WlOutput, ()> for WaylandClientStatePtr {
1126    fn event(
1127        this: &mut Self,
1128        output: &wl_output::WlOutput,
1129        event: <wl_output::WlOutput as Proxy>::Event,
1130        _: &(),
1131        _: &Connection,
1132        _: &QueueHandle<Self>,
1133    ) {
1134        let client = this.get_client();
1135        let mut state = client.borrow_mut();
1136
1137        let Some(in_progress_output) = state.in_progress_outputs.get_mut(&output.id()) else {
1138            return;
1139        };
1140
1141        match event {
1142            wl_output::Event::Name { name } => {
1143                in_progress_output.name = Some(name);
1144            }
1145            wl_output::Event::Scale { factor } => {
1146                in_progress_output.scale = Some(factor);
1147            }
1148            wl_output::Event::Geometry { x, y, .. } => {
1149                in_progress_output.position = Some(point(DevicePixels(x), DevicePixels(y)))
1150            }
1151            wl_output::Event::Mode { width, height, .. } => {
1152                in_progress_output.size = Some(size(DevicePixels(width), DevicePixels(height)))
1153            }
1154            wl_output::Event::Done => {
1155                if let Some(complete) = in_progress_output.complete() {
1156                    state.outputs.insert(output.id(), complete);
1157                }
1158                state.in_progress_outputs.remove(&output.id());
1159            }
1160            _ => {}
1161        }
1162    }
1163}
1164
1165impl Dispatch<xdg_surface::XdgSurface, ObjectId> for WaylandClientStatePtr {
1166    fn event(
1167        state: &mut Self,
1168        _: &xdg_surface::XdgSurface,
1169        event: xdg_surface::Event,
1170        surface_id: &ObjectId,
1171        _: &Connection,
1172        _: &QueueHandle<Self>,
1173    ) {
1174        let client = state.get_client();
1175        let mut state = client.borrow_mut();
1176        let Some(window) = get_window(&mut state, surface_id) else {
1177            return;
1178        };
1179        drop(state);
1180        window.handle_xdg_surface_event(event);
1181    }
1182}
1183
1184impl Dispatch<xdg_toplevel::XdgToplevel, ObjectId> for WaylandClientStatePtr {
1185    fn event(
1186        this: &mut Self,
1187        _: &xdg_toplevel::XdgToplevel,
1188        event: <xdg_toplevel::XdgToplevel as Proxy>::Event,
1189        surface_id: &ObjectId,
1190        _: &Connection,
1191        _: &QueueHandle<Self>,
1192    ) {
1193        let client = this.get_client();
1194        let mut state = client.borrow_mut();
1195        let Some(window) = get_window(&mut state, surface_id) else {
1196            return;
1197        };
1198
1199        drop(state);
1200        let should_close = window.handle_toplevel_event(event);
1201
1202        if should_close {
1203            // The close logic will be handled in drop_window()
1204            window.close();
1205        }
1206    }
1207}
1208
1209impl Dispatch<zwlr_layer_surface_v1::ZwlrLayerSurfaceV1, ObjectId> for WaylandClientStatePtr {
1210    fn event(
1211        this: &mut Self,
1212        _: &zwlr_layer_surface_v1::ZwlrLayerSurfaceV1,
1213        event: <zwlr_layer_surface_v1::ZwlrLayerSurfaceV1 as Proxy>::Event,
1214        surface_id: &ObjectId,
1215        _: &Connection,
1216        _: &QueueHandle<Self>,
1217    ) {
1218        let client = this.get_client();
1219        let mut state = client.borrow_mut();
1220        let Some(window) = get_window(&mut state, surface_id) else {
1221            return;
1222        };
1223
1224        drop(state);
1225        let should_close = window.handle_layersurface_event(event);
1226
1227        if should_close {
1228            // The close logic will be handled in drop_window()
1229            window.close();
1230        }
1231    }
1232}
1233
1234impl Dispatch<xdg_wm_base::XdgWmBase, ()> for WaylandClientStatePtr {
1235    fn event(
1236        _: &mut Self,
1237        wm_base: &xdg_wm_base::XdgWmBase,
1238        event: <xdg_wm_base::XdgWmBase as Proxy>::Event,
1239        _: &(),
1240        _: &Connection,
1241        _: &QueueHandle<Self>,
1242    ) {
1243        if let xdg_wm_base::Event::Ping { serial } = event {
1244            wm_base.pong(serial);
1245        }
1246    }
1247}
1248
1249impl Dispatch<xdg_activation_token_v1::XdgActivationTokenV1, ()> for WaylandClientStatePtr {
1250    fn event(
1251        this: &mut Self,
1252        token: &xdg_activation_token_v1::XdgActivationTokenV1,
1253        event: <xdg_activation_token_v1::XdgActivationTokenV1 as Proxy>::Event,
1254        _: &(),
1255        _: &Connection,
1256        _: &QueueHandle<Self>,
1257    ) {
1258        let client = this.get_client();
1259        let mut state = client.borrow_mut();
1260
1261        if let xdg_activation_token_v1::Event::Done { token } = event {
1262            let executor = state.common.background_executor.clone();
1263            match state.pending_activation.take() {
1264                Some(PendingActivation::Uri(uri)) => open_uri_internal(executor, &uri, Some(token)),
1265                Some(PendingActivation::Path(path)) => {
1266                    reveal_path_internal(executor, path, Some(token))
1267                }
1268                Some(PendingActivation::Window(window)) => {
1269                    let Some(window) = get_window(&mut state, &window) else {
1270                        return;
1271                    };
1272                    let activation = state.globals.activation.as_ref().unwrap();
1273                    activation.activate(token, &window.surface());
1274                }
1275                None => log::error!("activation token received with no pending activation"),
1276            }
1277        }
1278
1279        token.destroy();
1280    }
1281}
1282
1283impl Dispatch<wl_seat::WlSeat, ()> for WaylandClientStatePtr {
1284    fn event(
1285        state: &mut Self,
1286        seat: &wl_seat::WlSeat,
1287        event: wl_seat::Event,
1288        _: &(),
1289        _: &Connection,
1290        qh: &QueueHandle<Self>,
1291    ) {
1292        if let wl_seat::Event::Capabilities {
1293            capabilities: WEnum::Value(capabilities),
1294        } = event
1295        {
1296            let client = state.get_client();
1297            let mut state = client.borrow_mut();
1298            if capabilities.contains(wl_seat::Capability::Keyboard) {
1299                let keyboard = seat.get_keyboard(qh, ());
1300
1301                if let Some(text_input) = state.text_input.take() {
1302                    text_input.destroy();
1303                    state.ime_pre_edit = None;
1304                    state.composing = false;
1305                }
1306
1307                state.text_input = state
1308                    .globals
1309                    .text_input_manager
1310                    .as_ref()
1311                    .map(|text_input_manager| text_input_manager.get_text_input(seat, qh, ()));
1312
1313                if let Some(wl_keyboard) = &state.wl_keyboard {
1314                    wl_keyboard.release();
1315                }
1316
1317                state.wl_keyboard = Some(keyboard);
1318            }
1319            if capabilities.contains(wl_seat::Capability::Pointer) {
1320                let pointer = seat.get_pointer(qh, ());
1321
1322                if let Some(cursor_shape_device) = state.cursor_shape_device.take() {
1323                    cursor_shape_device.destroy();
1324                }
1325
1326                state.cursor_shape_device = state
1327                    .globals
1328                    .cursor_shape_manager
1329                    .as_ref()
1330                    .map(|cursor_shape_manager| cursor_shape_manager.get_pointer(&pointer, qh, ()));
1331
1332                state.pinch_gesture = state.globals.gesture_manager.as_ref().map(
1333                    |gesture_manager: &zwp_pointer_gestures_v1::ZwpPointerGesturesV1| {
1334                        gesture_manager.get_pinch_gesture(&pointer, qh, ())
1335                    },
1336                );
1337
1338                if let Some(wl_pointer) = &state.wl_pointer {
1339                    wl_pointer.release();
1340                }
1341
1342                state.wl_pointer = Some(pointer);
1343            }
1344        }
1345    }
1346}
1347
1348impl Dispatch<wl_keyboard::WlKeyboard, ()> for WaylandClientStatePtr {
1349    fn event(
1350        this: &mut Self,
1351        _: &wl_keyboard::WlKeyboard,
1352        event: wl_keyboard::Event,
1353        _: &(),
1354        _: &Connection,
1355        _: &QueueHandle<Self>,
1356    ) {
1357        let client = this.get_client();
1358        let mut state = client.borrow_mut();
1359        match event {
1360            wl_keyboard::Event::RepeatInfo { rate, delay } => {
1361                state.repeat.characters_per_second = rate as u32;
1362                state.repeat.delay = Duration::from_millis(delay as u64);
1363            }
1364            wl_keyboard::Event::Keymap {
1365                format: WEnum::Value(format),
1366                fd,
1367                size,
1368                ..
1369            } => {
1370                if format != wl_keyboard::KeymapFormat::XkbV1 {
1371                    log::error!("Received keymap format {:?}, expected XkbV1", format);
1372                    return;
1373                }
1374                let xkb_context = xkb::Context::new(xkb::CONTEXT_NO_FLAGS);
1375                let keymap = unsafe {
1376                    xkb::Keymap::new_from_fd(
1377                        &xkb_context,
1378                        fd,
1379                        size as usize,
1380                        XKB_KEYMAP_FORMAT_TEXT_V1,
1381                        KEYMAP_COMPILE_NO_FLAGS,
1382                    )
1383                    .log_err()
1384                    .flatten()
1385                    .expect("Failed to create keymap")
1386                };
1387                state.keymap_state = Some(xkb::State::new(&keymap));
1388                state.compose_state = get_xkb_compose_state(&xkb_context);
1389                drop(state);
1390
1391                this.handle_keyboard_layout_change();
1392            }
1393            wl_keyboard::Event::Enter { surface, .. } => {
1394                state.keyboard_focused_window = get_window(&mut state, &surface.id());
1395                state.enter_token = Some(());
1396
1397                if let Some(window) = state.keyboard_focused_window.clone() {
1398                    drop(state);
1399                    window.set_focused(true);
1400                }
1401            }
1402            wl_keyboard::Event::Leave { surface, .. } => {
1403                let keyboard_focused_window = get_window(&mut state, &surface.id());
1404                state.keyboard_focused_window = None;
1405                state.enter_token.take();
1406                // Prevent keyboard events from repeating after opening e.g. a file chooser and closing it quickly
1407                state.repeat.current_id += 1;
1408
1409                if let Some(window) = keyboard_focused_window {
1410                    if let Some(ref mut compose) = state.compose_state {
1411                        compose.reset();
1412                    }
1413                    state.pre_edit_text.take();
1414                    drop(state);
1415                    window.handle_ime(ImeInput::DeleteText);
1416                    window.set_focused(false);
1417                }
1418            }
1419            wl_keyboard::Event::Modifiers {
1420                mods_depressed,
1421                mods_latched,
1422                mods_locked,
1423                group,
1424                ..
1425            } => {
1426                let focused_window = state.keyboard_focused_window.clone();
1427
1428                let keymap_state = state.keymap_state.as_mut().unwrap();
1429                let old_layout =
1430                    keymap_state.serialize_layout(xkbcommon::xkb::STATE_LAYOUT_EFFECTIVE);
1431                keymap_state.update_mask(mods_depressed, mods_latched, mods_locked, 0, 0, group);
1432                state.modifiers = modifiers_from_xkb(keymap_state);
1433                let keymap_state = state.keymap_state.as_mut().unwrap();
1434                state.capslock = capslock_from_xkb(keymap_state);
1435
1436                let input = PlatformInput::ModifiersChanged(ModifiersChangedEvent {
1437                    modifiers: state.modifiers,
1438                    capslock: state.capslock,
1439                });
1440                drop(state);
1441
1442                if let Some(focused_window) = focused_window {
1443                    focused_window.handle_input(input);
1444                }
1445
1446                if group != old_layout {
1447                    this.handle_keyboard_layout_change();
1448                }
1449            }
1450            wl_keyboard::Event::Key {
1451                serial,
1452                key,
1453                state: WEnum::Value(key_state),
1454                ..
1455            } => {
1456                state.serial_tracker.update(SerialKind::KeyPress, serial);
1457
1458                let focused_window = state.keyboard_focused_window.clone();
1459                let Some(focused_window) = focused_window else {
1460                    return;
1461                };
1462
1463                let keymap_state = state.keymap_state.as_ref().unwrap();
1464                let keycode = Keycode::from(key + MIN_KEYCODE);
1465                let keysym = keymap_state.key_get_one_sym(keycode);
1466
1467                match key_state {
1468                    wl_keyboard::KeyState::Pressed if !keysym.is_modifier_key() => {
1469                        let mut keystroke =
1470                            keystroke_from_xkb(keymap_state, state.modifiers, keycode);
1471                        if let Some(mut compose) = state.compose_state.take() {
1472                            compose.feed(keysym);
1473                            match compose.status() {
1474                                xkb::Status::Composing => {
1475                                    keystroke.key_char = None;
1476                                    state.pre_edit_text =
1477                                        compose.utf8().or(keystroke_underlying_dead_key(keysym));
1478                                    let pre_edit =
1479                                        state.pre_edit_text.clone().unwrap_or(String::default());
1480                                    drop(state);
1481                                    focused_window.handle_ime(ImeInput::SetMarkedText(pre_edit));
1482                                    state = client.borrow_mut();
1483                                }
1484
1485                                xkb::Status::Composed => {
1486                                    state.pre_edit_text.take();
1487                                    keystroke.key_char = compose.utf8();
1488                                    if let Some(keysym) = compose.keysym() {
1489                                        keystroke.key = xkb::keysym_get_name(keysym);
1490                                    }
1491                                }
1492                                xkb::Status::Cancelled => {
1493                                    let pre_edit = state.pre_edit_text.take();
1494                                    let new_pre_edit = keystroke_underlying_dead_key(keysym);
1495                                    state.pre_edit_text = new_pre_edit.clone();
1496                                    drop(state);
1497                                    if let Some(pre_edit) = pre_edit {
1498                                        focused_window.handle_ime(ImeInput::InsertText(pre_edit));
1499                                    }
1500                                    if let Some(current_key) = new_pre_edit {
1501                                        focused_window
1502                                            .handle_ime(ImeInput::SetMarkedText(current_key));
1503                                    }
1504                                    compose.feed(keysym);
1505                                    state = client.borrow_mut();
1506                                }
1507                                _ => {}
1508                            }
1509                            state.compose_state = Some(compose);
1510                        }
1511                        let input = PlatformInput::KeyDown(KeyDownEvent {
1512                            keystroke: keystroke.clone(),
1513                            is_held: false,
1514                            prefer_character_input: false,
1515                        });
1516
1517                        state.repeat.current_id += 1;
1518                        state.repeat.current_keycode = Some(keycode);
1519
1520                        let rate = state.repeat.characters_per_second;
1521                        let repeat_interval = Duration::from_secs(1) / rate.max(1);
1522                        let id = state.repeat.current_id;
1523                        state
1524                            .loop_handle
1525                            .insert_source(Timer::from_duration(state.repeat.delay), {
1526                                let input = PlatformInput::KeyDown(KeyDownEvent {
1527                                    keystroke,
1528                                    is_held: true,
1529                                    prefer_character_input: false,
1530                                });
1531                                move |event_timestamp, _metadata, this| {
1532                                    let client = this.get_client();
1533                                    let state = client.borrow();
1534                                    let is_repeating = id == state.repeat.current_id
1535                                        && state.repeat.current_keycode.is_some()
1536                                        && state.keyboard_focused_window.is_some();
1537
1538                                    if !is_repeating || rate == 0 {
1539                                        return TimeoutAction::Drop;
1540                                    }
1541
1542                                    let focused_window =
1543                                        state.keyboard_focused_window.as_ref().unwrap().clone();
1544
1545                                    drop(state);
1546                                    focused_window.handle_input(input.clone());
1547
1548                                    // If the new scheduled time is in the past the event will repeat as soon as possible
1549                                    TimeoutAction::ToInstant(event_timestamp + repeat_interval)
1550                                }
1551                            })
1552                            .unwrap();
1553
1554                        drop(state);
1555                        focused_window.handle_input(input);
1556                    }
1557                    wl_keyboard::KeyState::Released if !keysym.is_modifier_key() => {
1558                        let input = PlatformInput::KeyUp(KeyUpEvent {
1559                            keystroke: keystroke_from_xkb(keymap_state, state.modifiers, keycode),
1560                        });
1561
1562                        if state.repeat.current_keycode == Some(keycode) {
1563                            state.repeat.current_keycode = None;
1564                        }
1565
1566                        drop(state);
1567                        focused_window.handle_input(input);
1568                    }
1569                    _ => {}
1570                }
1571            }
1572            _ => {}
1573        }
1574    }
1575}
1576
1577impl Dispatch<zwp_text_input_v3::ZwpTextInputV3, ()> for WaylandClientStatePtr {
1578    fn event(
1579        this: &mut Self,
1580        text_input: &zwp_text_input_v3::ZwpTextInputV3,
1581        event: <zwp_text_input_v3::ZwpTextInputV3 as Proxy>::Event,
1582        _: &(),
1583        _: &Connection,
1584        _: &QueueHandle<Self>,
1585    ) {
1586        let client = this.get_client();
1587        let mut state = client.borrow_mut();
1588        match event {
1589            zwp_text_input_v3::Event::Enter { .. } => {
1590                drop(state);
1591                this.enable_ime();
1592            }
1593            zwp_text_input_v3::Event::Leave { .. } => {
1594                drop(state);
1595                this.disable_ime();
1596            }
1597            zwp_text_input_v3::Event::CommitString { text } => {
1598                state.composing = false;
1599                let Some(window) = state.keyboard_focused_window.clone() else {
1600                    return;
1601                };
1602
1603                if let Some(commit_text) = text {
1604                    drop(state);
1605                    // IBus Intercepts keys like `a`, `b`, but those keys are needed for vim mode.
1606                    // We should only send ASCII characters to Zed, otherwise a user could remap a letter like `か` or `相`.
1607                    if commit_text.len() == 1 {
1608                        window.handle_input(PlatformInput::KeyDown(KeyDownEvent {
1609                            keystroke: Keystroke {
1610                                modifiers: Modifiers::default(),
1611                                key: commit_text.clone(),
1612                                key_char: Some(commit_text),
1613                            },
1614                            is_held: false,
1615                            prefer_character_input: false,
1616                        }));
1617                    } else {
1618                        window.handle_ime(ImeInput::InsertText(commit_text));
1619                    }
1620                }
1621            }
1622            zwp_text_input_v3::Event::PreeditString { text, .. } => {
1623                state.composing = true;
1624                state.ime_pre_edit = text;
1625            }
1626            zwp_text_input_v3::Event::Done { serial } => {
1627                let last_serial = state.serial_tracker.get(SerialKind::InputMethod);
1628                state.serial_tracker.update(SerialKind::InputMethod, serial);
1629                let Some(window) = state.keyboard_focused_window.clone() else {
1630                    return;
1631                };
1632
1633                if let Some(text) = state.ime_pre_edit.take() {
1634                    drop(state);
1635                    window.handle_ime(ImeInput::SetMarkedText(text));
1636                    if let Some(area) = window.get_ime_area() {
1637                        text_input.set_cursor_rectangle(
1638                            f32::from(area.origin.x) as i32,
1639                            f32::from(area.origin.y) as i32,
1640                            f32::from(area.size.width) as i32,
1641                            f32::from(area.size.height) as i32,
1642                        );
1643                        if last_serial == serial {
1644                            text_input.commit();
1645                        }
1646                    }
1647                } else {
1648                    state.composing = false;
1649                    drop(state);
1650                    window.handle_ime(ImeInput::DeleteText);
1651                }
1652            }
1653            _ => {}
1654        }
1655    }
1656}
1657
1658fn linux_button_to_gpui(button: u32) -> Option<MouseButton> {
1659    // These values are coming from <linux/input-event-codes.h>.
1660    const BTN_LEFT: u32 = 0x110;
1661    const BTN_RIGHT: u32 = 0x111;
1662    const BTN_MIDDLE: u32 = 0x112;
1663    const BTN_SIDE: u32 = 0x113;
1664    const BTN_EXTRA: u32 = 0x114;
1665    const BTN_FORWARD: u32 = 0x115;
1666    const BTN_BACK: u32 = 0x116;
1667
1668    Some(match button {
1669        BTN_LEFT => MouseButton::Left,
1670        BTN_RIGHT => MouseButton::Right,
1671        BTN_MIDDLE => MouseButton::Middle,
1672        BTN_BACK | BTN_SIDE => MouseButton::Navigate(NavigationDirection::Back),
1673        BTN_FORWARD | BTN_EXTRA => MouseButton::Navigate(NavigationDirection::Forward),
1674        _ => return None,
1675    })
1676}
1677
1678impl Dispatch<wl_pointer::WlPointer, ()> for WaylandClientStatePtr {
1679    fn event(
1680        this: &mut Self,
1681        wl_pointer: &wl_pointer::WlPointer,
1682        event: wl_pointer::Event,
1683        _: &(),
1684        _: &Connection,
1685        _: &QueueHandle<Self>,
1686    ) {
1687        let client = this.get_client();
1688        let mut state = client.borrow_mut();
1689
1690        match event {
1691            wl_pointer::Event::Enter {
1692                serial,
1693                surface,
1694                surface_x,
1695                surface_y,
1696                ..
1697            } => {
1698                state.serial_tracker.update(SerialKind::MouseEnter, serial);
1699                state.mouse_location = Some(point(px(surface_x as f32), px(surface_y as f32)));
1700                state.button_pressed = None;
1701
1702                if let Some(window) = get_window(&mut state, &surface.id()) {
1703                    state.mouse_focused_window = Some(window.clone());
1704
1705                    if state.enter_token.is_some() {
1706                        state.enter_token = None;
1707                    }
1708                    if let Some(style) = state.cursor_style {
1709                        if let CursorStyle::None = style {
1710                            let wl_pointer = state
1711                                .wl_pointer
1712                                .clone()
1713                                .expect("window is focused by pointer");
1714                            wl_pointer.set_cursor(serial, None, 0, 0);
1715                        } else if let Some(cursor_shape_device) = &state.cursor_shape_device {
1716                            cursor_shape_device.set_shape(serial, to_shape(style));
1717                        } else {
1718                            let scale = window.primary_output_scale();
1719                            state.cursor.set_icon(
1720                                wl_pointer,
1721                                serial,
1722                                cursor_style_to_icon_names(style),
1723                                scale,
1724                            );
1725                        }
1726                    }
1727                    drop(state);
1728                    window.set_hovered(true);
1729                }
1730            }
1731            wl_pointer::Event::Leave { .. } => {
1732                if let Some(focused_window) = state.mouse_focused_window.clone() {
1733                    let input = PlatformInput::MouseExited(MouseExitEvent {
1734                        position: state.mouse_location.unwrap(),
1735                        pressed_button: state.button_pressed,
1736                        modifiers: state.modifiers,
1737                    });
1738                    state.mouse_focused_window = None;
1739                    state.mouse_location = None;
1740                    state.button_pressed = None;
1741
1742                    drop(state);
1743                    focused_window.handle_input(input);
1744                    focused_window.set_hovered(false);
1745                }
1746            }
1747            wl_pointer::Event::Motion {
1748                surface_x,
1749                surface_y,
1750                ..
1751            } => {
1752                if state.mouse_focused_window.is_none() {
1753                    return;
1754                }
1755                state.mouse_location = Some(point(px(surface_x as f32), px(surface_y as f32)));
1756
1757                if let Some(window) = state.mouse_focused_window.clone() {
1758                    if window.is_blocked() {
1759                        let default_style = CursorStyle::Arrow;
1760                        if state.cursor_style != Some(default_style) {
1761                            let serial = state.serial_tracker.get(SerialKind::MouseEnter);
1762                            state.cursor_style = Some(default_style);
1763
1764                            if let Some(cursor_shape_device) = &state.cursor_shape_device {
1765                                cursor_shape_device.set_shape(serial, to_shape(default_style));
1766                            } else {
1767                                // cursor-shape-v1 isn't supported, set the cursor using a surface.
1768                                let wl_pointer = state
1769                                    .wl_pointer
1770                                    .clone()
1771                                    .expect("window is focused by pointer");
1772                                let scale = window.primary_output_scale();
1773                                state.cursor.set_icon(
1774                                    &wl_pointer,
1775                                    serial,
1776                                    cursor_style_to_icon_names(default_style),
1777                                    scale,
1778                                );
1779                            }
1780                        }
1781                    }
1782                    if state
1783                        .keyboard_focused_window
1784                        .as_ref()
1785                        .is_some_and(|keyboard_window| window.ptr_eq(keyboard_window))
1786                    {
1787                        state.enter_token = None;
1788                    }
1789                    let input = PlatformInput::MouseMove(MouseMoveEvent {
1790                        position: state.mouse_location.unwrap(),
1791                        pressed_button: state.button_pressed,
1792                        modifiers: state.modifiers,
1793                    });
1794                    drop(state);
1795                    window.handle_input(input);
1796                }
1797            }
1798            wl_pointer::Event::Button {
1799                serial,
1800                button,
1801                state: WEnum::Value(button_state),
1802                ..
1803            } => {
1804                state.serial_tracker.update(SerialKind::MousePress, serial);
1805                let button = linux_button_to_gpui(button);
1806                let Some(button) = button else { return };
1807                if state.mouse_focused_window.is_none() {
1808                    return;
1809                }
1810                match button_state {
1811                    wl_pointer::ButtonState::Pressed => {
1812                        if let Some(window) = state.keyboard_focused_window.clone() {
1813                            if state.composing && state.text_input.is_some() {
1814                                drop(state);
1815                                // text_input_v3 don't have something like a reset function
1816                                this.disable_ime();
1817                                this.enable_ime();
1818                                window.handle_ime(ImeInput::UnmarkText);
1819                                state = client.borrow_mut();
1820                            } else if let (Some(text), Some(compose)) =
1821                                (state.pre_edit_text.take(), state.compose_state.as_mut())
1822                            {
1823                                compose.reset();
1824                                drop(state);
1825                                window.handle_ime(ImeInput::InsertText(text));
1826                                state = client.borrow_mut();
1827                            }
1828                        }
1829                        let click_elapsed = state.click.last_click.elapsed();
1830
1831                        if click_elapsed < DOUBLE_CLICK_INTERVAL
1832                            && state
1833                                .click
1834                                .last_mouse_button
1835                                .is_some_and(|prev_button| prev_button == button)
1836                            && is_within_click_distance(
1837                                state.click.last_location,
1838                                state.mouse_location.unwrap(),
1839                            )
1840                        {
1841                            state.click.current_count += 1;
1842                        } else {
1843                            state.click.current_count = 1;
1844                        }
1845
1846                        state.click.last_click = Instant::now();
1847                        state.click.last_mouse_button = Some(button);
1848                        state.click.last_location = state.mouse_location.unwrap();
1849
1850                        state.button_pressed = Some(button);
1851
1852                        if let Some(window) = state.mouse_focused_window.clone() {
1853                            let input = PlatformInput::MouseDown(MouseDownEvent {
1854                                button,
1855                                position: state.mouse_location.unwrap(),
1856                                modifiers: state.modifiers,
1857                                click_count: state.click.current_count,
1858                                first_mouse: state.enter_token.take().is_some(),
1859                            });
1860                            drop(state);
1861                            window.handle_input(input);
1862                        }
1863                    }
1864                    wl_pointer::ButtonState::Released => {
1865                        state.button_pressed = None;
1866
1867                        if let Some(window) = state.mouse_focused_window.clone() {
1868                            let input = PlatformInput::MouseUp(MouseUpEvent {
1869                                button,
1870                                position: state.mouse_location.unwrap(),
1871                                modifiers: state.modifiers,
1872                                click_count: state.click.current_count,
1873                            });
1874                            drop(state);
1875                            window.handle_input(input);
1876                        }
1877                    }
1878                    _ => {}
1879                }
1880            }
1881
1882            // Axis Events
1883            wl_pointer::Event::AxisSource {
1884                axis_source: WEnum::Value(axis_source),
1885            } => {
1886                state.axis_source = axis_source;
1887            }
1888            wl_pointer::Event::Axis {
1889                axis: WEnum::Value(axis),
1890                value,
1891                ..
1892            } => {
1893                if state.axis_source == AxisSource::Wheel {
1894                    return;
1895                }
1896                let axis = if state.modifiers.shift {
1897                    wl_pointer::Axis::HorizontalScroll
1898                } else {
1899                    axis
1900                };
1901                let axis_modifier = match axis {
1902                    wl_pointer::Axis::VerticalScroll => state.vertical_modifier,
1903                    wl_pointer::Axis::HorizontalScroll => state.horizontal_modifier,
1904                    _ => 1.0,
1905                };
1906                state.scroll_event_received = true;
1907                let scroll_delta = state
1908                    .continuous_scroll_delta
1909                    .get_or_insert(point(px(0.0), px(0.0)));
1910                let modifier = 3.0;
1911                match axis {
1912                    wl_pointer::Axis::VerticalScroll => {
1913                        scroll_delta.y += px(value as f32 * modifier * axis_modifier);
1914                    }
1915                    wl_pointer::Axis::HorizontalScroll => {
1916                        scroll_delta.x += px(value as f32 * modifier * axis_modifier);
1917                    }
1918                    _ => unreachable!(),
1919                }
1920            }
1921            wl_pointer::Event::AxisDiscrete {
1922                axis: WEnum::Value(axis),
1923                discrete,
1924            } => {
1925                state.scroll_event_received = true;
1926                let axis = if state.modifiers.shift {
1927                    wl_pointer::Axis::HorizontalScroll
1928                } else {
1929                    axis
1930                };
1931                let axis_modifier = match axis {
1932                    wl_pointer::Axis::VerticalScroll => state.vertical_modifier,
1933                    wl_pointer::Axis::HorizontalScroll => state.horizontal_modifier,
1934                    _ => 1.0,
1935                };
1936
1937                let scroll_delta = state.discrete_scroll_delta.get_or_insert(point(0.0, 0.0));
1938                match axis {
1939                    wl_pointer::Axis::VerticalScroll => {
1940                        scroll_delta.y += discrete as f32 * axis_modifier * SCROLL_LINES;
1941                    }
1942                    wl_pointer::Axis::HorizontalScroll => {
1943                        scroll_delta.x += discrete as f32 * axis_modifier * SCROLL_LINES;
1944                    }
1945                    _ => unreachable!(),
1946                }
1947            }
1948            wl_pointer::Event::AxisValue120 {
1949                axis: WEnum::Value(axis),
1950                value120,
1951            } => {
1952                state.scroll_event_received = true;
1953                let axis = if state.modifiers.shift {
1954                    wl_pointer::Axis::HorizontalScroll
1955                } else {
1956                    axis
1957                };
1958                let axis_modifier = match axis {
1959                    wl_pointer::Axis::VerticalScroll => state.vertical_modifier,
1960                    wl_pointer::Axis::HorizontalScroll => state.horizontal_modifier,
1961                    _ => unreachable!(),
1962                };
1963
1964                let scroll_delta = state.discrete_scroll_delta.get_or_insert(point(0.0, 0.0));
1965                let wheel_percent = value120 as f32 / 120.0;
1966                match axis {
1967                    wl_pointer::Axis::VerticalScroll => {
1968                        scroll_delta.y += wheel_percent * axis_modifier * SCROLL_LINES;
1969                    }
1970                    wl_pointer::Axis::HorizontalScroll => {
1971                        scroll_delta.x += wheel_percent * axis_modifier * SCROLL_LINES;
1972                    }
1973                    _ => unreachable!(),
1974                }
1975            }
1976            wl_pointer::Event::Frame => {
1977                if state.scroll_event_received {
1978                    state.scroll_event_received = false;
1979                    let continuous = state.continuous_scroll_delta.take();
1980                    let discrete = state.discrete_scroll_delta.take();
1981                    if let Some(continuous) = continuous {
1982                        if let Some(window) = state.mouse_focused_window.clone() {
1983                            let input = PlatformInput::ScrollWheel(ScrollWheelEvent {
1984                                position: state.mouse_location.unwrap(),
1985                                delta: ScrollDelta::Pixels(continuous),
1986                                modifiers: state.modifiers,
1987                                touch_phase: TouchPhase::Moved,
1988                            });
1989                            drop(state);
1990                            window.handle_input(input);
1991                        }
1992                    } else if let Some(discrete) = discrete
1993                        && let Some(window) = state.mouse_focused_window.clone()
1994                    {
1995                        let input = PlatformInput::ScrollWheel(ScrollWheelEvent {
1996                            position: state.mouse_location.unwrap(),
1997                            delta: ScrollDelta::Lines(discrete),
1998                            modifiers: state.modifiers,
1999                            touch_phase: TouchPhase::Moved,
2000                        });
2001                        drop(state);
2002                        window.handle_input(input);
2003                    }
2004                }
2005            }
2006            _ => {}
2007        }
2008    }
2009}
2010
2011impl Dispatch<zwp_pointer_gestures_v1::ZwpPointerGesturesV1, ()> for WaylandClientStatePtr {
2012    fn event(
2013        _this: &mut Self,
2014        _: &zwp_pointer_gestures_v1::ZwpPointerGesturesV1,
2015        _: <zwp_pointer_gestures_v1::ZwpPointerGesturesV1 as Proxy>::Event,
2016        _: &(),
2017        _: &Connection,
2018        _: &QueueHandle<Self>,
2019    ) {
2020        // The gesture manager doesn't generate events
2021    }
2022}
2023
2024impl Dispatch<zwp_pointer_gesture_pinch_v1::ZwpPointerGesturePinchV1, ()>
2025    for WaylandClientStatePtr
2026{
2027    fn event(
2028        this: &mut Self,
2029        _: &zwp_pointer_gesture_pinch_v1::ZwpPointerGesturePinchV1,
2030        event: <zwp_pointer_gesture_pinch_v1::ZwpPointerGesturePinchV1 as Proxy>::Event,
2031        _: &(),
2032        _: &Connection,
2033        _: &QueueHandle<Self>,
2034    ) {
2035        use gpui::PinchEvent;
2036
2037        let client = this.get_client();
2038        let mut state = client.borrow_mut();
2039
2040        let Some(window) = state.mouse_focused_window.clone() else {
2041            return;
2042        };
2043
2044        match event {
2045            zwp_pointer_gesture_pinch_v1::Event::Begin {
2046                serial: _,
2047                time: _,
2048                surface: _,
2049                fingers: _,
2050            } => {
2051                state.pinch_scale = 1.0;
2052                let input = PlatformInput::Pinch(PinchEvent {
2053                    position: state.mouse_location.unwrap_or(point(px(0.0), px(0.0))),
2054                    delta: 0.0,
2055                    modifiers: state.modifiers,
2056                    phase: TouchPhase::Started,
2057                });
2058                drop(state);
2059                window.handle_input(input);
2060            }
2061            zwp_pointer_gesture_pinch_v1::Event::Update { time: _, scale, .. } => {
2062                let new_absolute_scale = scale as f32;
2063                let previous_scale = state.pinch_scale;
2064                let zoom_delta = new_absolute_scale - previous_scale;
2065                state.pinch_scale = new_absolute_scale;
2066
2067                let input = PlatformInput::Pinch(PinchEvent {
2068                    position: state.mouse_location.unwrap_or(point(px(0.0), px(0.0))),
2069                    delta: zoom_delta,
2070                    modifiers: state.modifiers,
2071                    phase: TouchPhase::Moved,
2072                });
2073                drop(state);
2074                window.handle_input(input);
2075            }
2076            zwp_pointer_gesture_pinch_v1::Event::End {
2077                serial: _,
2078                time: _,
2079                cancelled: _,
2080            } => {
2081                state.pinch_scale = 1.0;
2082                let input = PlatformInput::Pinch(PinchEvent {
2083                    position: state.mouse_location.unwrap_or(point(px(0.0), px(0.0))),
2084                    delta: 0.0,
2085                    modifiers: state.modifiers,
2086                    phase: TouchPhase::Ended,
2087                });
2088                drop(state);
2089                window.handle_input(input);
2090            }
2091            _ => {}
2092        }
2093    }
2094}
2095
2096impl Dispatch<wp_fractional_scale_v1::WpFractionalScaleV1, ObjectId> for WaylandClientStatePtr {
2097    fn event(
2098        this: &mut Self,
2099        _: &wp_fractional_scale_v1::WpFractionalScaleV1,
2100        event: <wp_fractional_scale_v1::WpFractionalScaleV1 as Proxy>::Event,
2101        surface_id: &ObjectId,
2102        _: &Connection,
2103        _: &QueueHandle<Self>,
2104    ) {
2105        let client = this.get_client();
2106        let mut state = client.borrow_mut();
2107
2108        let Some(window) = get_window(&mut state, surface_id) else {
2109            return;
2110        };
2111
2112        drop(state);
2113        window.handle_fractional_scale_event(event);
2114    }
2115}
2116
2117impl Dispatch<zxdg_toplevel_decoration_v1::ZxdgToplevelDecorationV1, ObjectId>
2118    for WaylandClientStatePtr
2119{
2120    fn event(
2121        this: &mut Self,
2122        _: &zxdg_toplevel_decoration_v1::ZxdgToplevelDecorationV1,
2123        event: zxdg_toplevel_decoration_v1::Event,
2124        surface_id: &ObjectId,
2125        _: &Connection,
2126        _: &QueueHandle<Self>,
2127    ) {
2128        let client = this.get_client();
2129        let mut state = client.borrow_mut();
2130        let Some(window) = get_window(&mut state, surface_id) else {
2131            return;
2132        };
2133
2134        drop(state);
2135        window.handle_toplevel_decoration_event(event);
2136    }
2137}
2138
2139impl Dispatch<wl_data_device::WlDataDevice, ()> for WaylandClientStatePtr {
2140    fn event(
2141        this: &mut Self,
2142        _: &wl_data_device::WlDataDevice,
2143        event: wl_data_device::Event,
2144        _: &(),
2145        _: &Connection,
2146        _: &QueueHandle<Self>,
2147    ) {
2148        let client = this.get_client();
2149        let mut state = client.borrow_mut();
2150
2151        match event {
2152            // Clipboard
2153            wl_data_device::Event::DataOffer { id: data_offer } => {
2154                state.data_offers.push(DataOffer::new(data_offer));
2155                if state.data_offers.len() > 2 {
2156                    // At most we store a clipboard offer and a drag and drop offer.
2157                    state.data_offers.remove(0).inner.destroy();
2158                }
2159            }
2160            wl_data_device::Event::Selection { id: data_offer } => {
2161                if let Some(offer) = data_offer {
2162                    let offer = state
2163                        .data_offers
2164                        .iter()
2165                        .find(|wrapper| wrapper.inner.id() == offer.id());
2166                    let offer = offer.cloned();
2167                    state.clipboard.set_offer(offer);
2168                } else {
2169                    state.clipboard.set_offer(None);
2170                }
2171            }
2172
2173            // Drag and drop
2174            wl_data_device::Event::Enter {
2175                serial,
2176                surface,
2177                x,
2178                y,
2179                id: data_offer,
2180            } => {
2181                state.serial_tracker.update(SerialKind::DataDevice, serial);
2182                if let Some(data_offer) = data_offer {
2183                    let Some(drag_window) = get_window(&mut state, &surface.id()) else {
2184                        return;
2185                    };
2186
2187                    const ACTIONS: DndAction = DndAction::Copy;
2188                    data_offer.set_actions(ACTIONS, ACTIONS);
2189
2190                    let pipe = Pipe::new().unwrap();
2191                    data_offer.receive(FILE_LIST_MIME_TYPE.to_string(), unsafe {
2192                        BorrowedFd::borrow_raw(pipe.write.as_raw_fd())
2193                    });
2194                    let fd = pipe.read;
2195                    drop(pipe.write);
2196
2197                    let read_task = state.common.background_executor.spawn(async {
2198                        let buffer = unsafe { read_fd(fd)? };
2199                        let text = String::from_utf8(buffer)?;
2200                        anyhow::Ok(text)
2201                    });
2202
2203                    let this = this.clone();
2204                    state
2205                        .common
2206                        .foreground_executor
2207                        .spawn(async move {
2208                            let file_list = match read_task.await {
2209                                Ok(list) => list,
2210                                Err(err) => {
2211                                    log::error!("error reading drag and drop pipe: {err:?}");
2212                                    return;
2213                                }
2214                            };
2215
2216                            let paths: SmallVec<[_; 2]> = file_list
2217                                .lines()
2218                                .filter_map(|path| Url::parse(path).log_err())
2219                                .filter_map(|url| url.to_file_path().log_err())
2220                                .collect();
2221                            let position = Point::new(x.into(), y.into());
2222
2223                            // Prevent dropping text from other programs.
2224                            if paths.is_empty() {
2225                                data_offer.destroy();
2226                                return;
2227                            }
2228
2229                            let input = PlatformInput::FileDrop(FileDropEvent::Entered {
2230                                position,
2231                                paths: gpui::ExternalPaths(paths),
2232                            });
2233
2234                            let client = this.get_client();
2235                            let mut state = client.borrow_mut();
2236                            state.drag.data_offer = Some(data_offer);
2237                            state.drag.window = Some(drag_window.clone());
2238                            state.drag.position = position;
2239
2240                            drop(state);
2241                            drag_window.handle_input(input);
2242                        })
2243                        .detach();
2244                }
2245            }
2246            wl_data_device::Event::Motion { x, y, .. } => {
2247                let Some(drag_window) = state.drag.window.clone() else {
2248                    return;
2249                };
2250                let position = Point::new(x.into(), y.into());
2251                state.drag.position = position;
2252
2253                let input = PlatformInput::FileDrop(FileDropEvent::Pending { position });
2254                drop(state);
2255                drag_window.handle_input(input);
2256            }
2257            wl_data_device::Event::Leave => {
2258                let Some(drag_window) = state.drag.window.clone() else {
2259                    return;
2260                };
2261                let data_offer = state.drag.data_offer.clone().unwrap();
2262                data_offer.destroy();
2263
2264                state.drag.data_offer = None;
2265                state.drag.window = None;
2266
2267                let input = PlatformInput::FileDrop(FileDropEvent::Exited {});
2268                drop(state);
2269                drag_window.handle_input(input);
2270            }
2271            wl_data_device::Event::Drop => {
2272                let Some(drag_window) = state.drag.window.clone() else {
2273                    return;
2274                };
2275                let data_offer = state.drag.data_offer.clone().unwrap();
2276                data_offer.finish();
2277                data_offer.destroy();
2278
2279                state.drag.data_offer = None;
2280                state.drag.window = None;
2281
2282                let input = PlatformInput::FileDrop(FileDropEvent::Submit {
2283                    position: state.drag.position,
2284                });
2285                drop(state);
2286                drag_window.handle_input(input);
2287            }
2288            _ => {}
2289        }
2290    }
2291
2292    event_created_child!(WaylandClientStatePtr, wl_data_device::WlDataDevice, [
2293        wl_data_device::EVT_DATA_OFFER_OPCODE => (wl_data_offer::WlDataOffer, ()),
2294    ]);
2295}
2296
2297impl Dispatch<wl_data_offer::WlDataOffer, ()> for WaylandClientStatePtr {
2298    fn event(
2299        this: &mut Self,
2300        data_offer: &wl_data_offer::WlDataOffer,
2301        event: wl_data_offer::Event,
2302        _: &(),
2303        _: &Connection,
2304        _: &QueueHandle<Self>,
2305    ) {
2306        let client = this.get_client();
2307        let mut state = client.borrow_mut();
2308
2309        if let wl_data_offer::Event::Offer { mime_type } = event {
2310            // Drag and drop
2311            if mime_type == FILE_LIST_MIME_TYPE {
2312                let serial = state.serial_tracker.get(SerialKind::DataDevice);
2313                let mime_type = mime_type.clone();
2314                data_offer.accept(serial, Some(mime_type));
2315            }
2316
2317            // Clipboard
2318            if let Some(offer) = state
2319                .data_offers
2320                .iter_mut()
2321                .find(|wrapper| wrapper.inner.id() == data_offer.id())
2322            {
2323                offer.add_mime_type(mime_type);
2324            }
2325        }
2326    }
2327}
2328
2329impl Dispatch<wl_data_source::WlDataSource, ()> for WaylandClientStatePtr {
2330    fn event(
2331        this: &mut Self,
2332        data_source: &wl_data_source::WlDataSource,
2333        event: wl_data_source::Event,
2334        _: &(),
2335        _: &Connection,
2336        _: &QueueHandle<Self>,
2337    ) {
2338        let client = this.get_client();
2339        let state = client.borrow_mut();
2340
2341        match event {
2342            wl_data_source::Event::Send { mime_type, fd } => {
2343                state.clipboard.send(mime_type, fd);
2344            }
2345            wl_data_source::Event::Cancelled => {
2346                data_source.destroy();
2347            }
2348            _ => {}
2349        }
2350    }
2351}
2352
2353impl Dispatch<zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1, ()>
2354    for WaylandClientStatePtr
2355{
2356    fn event(
2357        this: &mut Self,
2358        _: &zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1,
2359        event: zwp_primary_selection_device_v1::Event,
2360        _: &(),
2361        _: &Connection,
2362        _: &QueueHandle<Self>,
2363    ) {
2364        let client = this.get_client();
2365        let mut state = client.borrow_mut();
2366
2367        match event {
2368            zwp_primary_selection_device_v1::Event::DataOffer { offer } => {
2369                let old_offer = state.primary_data_offer.replace(DataOffer::new(offer));
2370                if let Some(old_offer) = old_offer {
2371                    old_offer.inner.destroy();
2372                }
2373            }
2374            zwp_primary_selection_device_v1::Event::Selection { id: data_offer } => {
2375                if data_offer.is_some() {
2376                    let offer = state.primary_data_offer.clone();
2377                    state.clipboard.set_primary_offer(offer);
2378                } else {
2379                    state.clipboard.set_primary_offer(None);
2380                }
2381            }
2382            _ => {}
2383        }
2384    }
2385
2386    event_created_child!(WaylandClientStatePtr, zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1, [
2387        zwp_primary_selection_device_v1::EVT_DATA_OFFER_OPCODE => (zwp_primary_selection_offer_v1::ZwpPrimarySelectionOfferV1, ()),
2388    ]);
2389}
2390
2391impl Dispatch<zwp_primary_selection_offer_v1::ZwpPrimarySelectionOfferV1, ()>
2392    for WaylandClientStatePtr
2393{
2394    fn event(
2395        this: &mut Self,
2396        _data_offer: &zwp_primary_selection_offer_v1::ZwpPrimarySelectionOfferV1,
2397        event: zwp_primary_selection_offer_v1::Event,
2398        _: &(),
2399        _: &Connection,
2400        _: &QueueHandle<Self>,
2401    ) {
2402        let client = this.get_client();
2403        let mut state = client.borrow_mut();
2404
2405        if let zwp_primary_selection_offer_v1::Event::Offer { mime_type } = event
2406            && let Some(offer) = state.primary_data_offer.as_mut()
2407        {
2408            offer.add_mime_type(mime_type);
2409        }
2410    }
2411}
2412
2413impl Dispatch<zwp_primary_selection_source_v1::ZwpPrimarySelectionSourceV1, ()>
2414    for WaylandClientStatePtr
2415{
2416    fn event(
2417        this: &mut Self,
2418        selection_source: &zwp_primary_selection_source_v1::ZwpPrimarySelectionSourceV1,
2419        event: zwp_primary_selection_source_v1::Event,
2420        _: &(),
2421        _: &Connection,
2422        _: &QueueHandle<Self>,
2423    ) {
2424        let client = this.get_client();
2425        let state = client.borrow_mut();
2426
2427        match event {
2428            zwp_primary_selection_source_v1::Event::Send { mime_type, fd } => {
2429                state.clipboard.send_primary(mime_type, fd);
2430            }
2431            zwp_primary_selection_source_v1::Event::Cancelled => {
2432                selection_source.destroy();
2433            }
2434            _ => {}
2435        }
2436    }
2437}
2438
2439impl Dispatch<XdgWmDialogV1, ()> for WaylandClientStatePtr {
2440    fn event(
2441        _: &mut Self,
2442        _: &XdgWmDialogV1,
2443        _: <XdgWmDialogV1 as Proxy>::Event,
2444        _: &(),
2445        _: &Connection,
2446        _: &QueueHandle<Self>,
2447    ) {
2448    }
2449}
2450
2451impl Dispatch<XdgDialogV1, ()> for WaylandClientStatePtr {
2452    fn event(
2453        _state: &mut Self,
2454        _proxy: &XdgDialogV1,
2455        _event: <XdgDialogV1 as Proxy>::Event,
2456        _data: &(),
2457        _conn: &Connection,
2458        _qhandle: &QueueHandle<Self>,
2459    ) {
2460    }
2461}