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