client.rs

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