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